☆ 3.8 Review

Cathode materials in microbial electrosynthesis systems for carbon dioxide reduction: recent progress and perspectives

ENERGY MATERIALS (2023)

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Review Chemistry, Applied

Recent advances in 3D printed electrode materials for electrochemical energy storage devices

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Summary: Electrochemical energy storage systems like batteries and supercapacitors are becoming key power sources in the transition to sustainable and renewable energy resources. 3D printing technology allows for precise control of geometry and morphology, improving energy and power densities. However, control settings, manufacturing processes, and post-treatments can affect reproducibility of printed components.

JOURNAL OF ENERGY CHEMISTRY (2023)

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Review Chemistry, Multidisciplinary

Microbial electrosynthesis: carbonaceous electrode materials for CO2 conversion

G. S. Lekshmi et al.

Summary: Microbial electrosynthesis (MES) is a sustainable approach that converts anthropogenic carbon dioxide (CO2) into clean fuels and valuable chemicals using carbonaceous electrode materials. These materials, such as carbon nanotubes, graphene, and biochar, exhibit high biocompatibility, specific surface area, and chemical stability, allowing for efficient electron transfer and bacterial growth.

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Review Chemistry, Multidisciplinary

Graphene oxide for photonics, electronics and optoelectronics

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Summary: Graphene oxide (GO) was initially developed as a graphene mimic, but has since been recognized as a functional material with its own unique properties. Research on GO in the past decade has greatly advanced material synthesis and property tailoring, leading to rapid progress in GO-based photonics, electronics, and optoelectronics. This review provides an overview of the optical, electrical, and optoelectronic properties of GO and reduced GO, as well as their applications in key technologies such as solar energy harvesting, energy storage, medical diagnosis, image display, and optical communications. The challenges and exciting opportunities for future technological advances in this field are also discussed.

NATURE REVIEWS CHEMISTRY (2023)

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Article Multidisciplinary Sciences

Systematic Full-Cycle Engineering Microbial Biofilms to Boost Electricity Production in Shewanella oneidensis

Feng Li et al.

Summary: Researchers systematically engineered Shewanella oneidensis, an exoelectrogenic model organism, to promote biofilm formation and enhance biofilm conductivity in microbial electrochemical systems. The engineered biofilm achieved a maximum output power density of 3.62 +/- 0.06 W m-2, 39.3 times higher than that of the wild-type strain, setting a new record for the output power density of genetically engineered Shewanella biofilms.

RESEARCH (2023)

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Article Biotechnology & Applied Microbiology

Sn promotes formate production to enhance microbial electrosynthesis of acetate via indirect electron transport

Zhenyu Qiu et al.

Summary: Microbial electrosynthesis (MES) is a carbon dioxide conversion technology that utilizes a microbial catalyst to reduce CO2 to organic matter using electrons obtained from an electrode. This study demonstrates that Sn-modified carbon felts can enhance electron transfer rate and improve acetate yield in the MES system by providing formate as an electron donor. The results show that the MES with Sn-modified cathode achieved the highest acetate production rate compared to the control group and hydrogen evolution catalyst CoP. Scanning electron microscopy and microbial community analysis confirm that the Sn catalyst promotes biofilm growth and accumulation of Acetobacterium on the cathode.

BIOCHEMICAL ENGINEERING JOURNAL (2023)

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Article Engineering, Environmental

3D-printed GA/PPy aerogel biocathode enables efficient methane production in microbial electrosynthesis

Yuting He et al.

Summary: A hierarchical porous 3D-printed graphene aerogel/polypyrrole cathode was fabricated, which showed enhanced performance in microbial electrosynthesis. The interconnected channels of the 3D-printed graphene aerogel promoted ion and gas transport, while the polypyrrole coating enhanced interfacial electron transfer and biocompatibility. This study provides a framework for the development of high-performance microbial electrosynthesis through rational electrode design for practical applications.

CHEMICAL ENGINEERING JOURNAL (2023)

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Review Chemistry, Multidisciplinary

Functional Nanomaterial-Modified Anodes in Microbial Fuel Cells: Advances and Perspectives

Yu-Jing Jiang et al.

Summary: Microbial fuel cell (MFC) offers a promising solution for wastewater treatment and electricity generation by utilizing microorganisms. This review focuses on recent advances in anode modification materials and the microbial extracellular electron transfer (EET) process at the bacteria-electrode interface. Various strategies for anode surface modification, hybrid biofilm construction, and single-bacterial surface modification are elucidated. Understanding the mechanisms of EET and designing nanomaterials for improved performance may lead to widespread application of microbial electrochemical systems.

CHEMISTRY-A EUROPEAN JOURNAL (2023)

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Review Chemistry, Physical

MXene Derivatives for Energy Storage and Conversions

Yu Guo et al.

Summary: Associated with the rapid development of 2D transition metal carbides, nitrides, and carbonitrides (MXenes), MXene derivatives have been recently exploited and exhibited unique physical/chemical properties, holding promising applications in the areas of energy storage and conversions. This review provides a comprehensive summarization of the latest research and progress on MXene derivatives, including termination-tailored MXenes, single-atom implanted MXenes, intercalated MXenes, van der Waals atomic layers, and non-van der Waals heterostructures. The intrinsic relationship between structure, properties, and corresponding applications for MXene derivatives are then emphasized. Finally, the essential challenges are addressed and perspectives for the MXene derivatives are also discussed.

SMALL METHODS (2023)

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Article Green & Sustainable Science & Technology

Microbial electrosynthesis of acetate from CO2 in three-chamber cells with gas diffusion biocathode under moderate saline conditions

Paolo Dessi et al.

Summary: The industrial adoption of microbial electrosynthesis (MES) is hindered by high overpotentials and inefficient cell designs. In this study, a mixed microbial consortium was adapted for acetate production from bicarbonate under saline conditions. The enriched communities were used as inoculum in three-chamber cells and achieved high acetate production rates with Coulombic efficiency. The experiment also demonstrated that connecting multiple cells in series can significantly increase the production rates.

ENVIRONMENTAL SCIENCE AND ECOTECHNOLOGY (2023)

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Article Chemistry, Physical

Simultaneous reduction of carbon dioxide and energy harvesting using RGO-based SiO2-TiO2 nanocomposite for supercapacitor and microbial electrosynthesis

Abdul Hakeem Anwer et al.

Summary: A mesoporous RGO-SiO2-TiO2 nanocomposite was developed for microbial electrosynthesis and high-performance supercapacitors. The nanocomposite demonstrated stable photocurrents and acetate production, and the supercapacitor achieved high energy density and capacitance stability.

APPLIED CATALYSIS B-ENVIRONMENTAL (2023)

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Article Multidisciplinary Sciences

In Vivo Voltammetric Imaging of Metal Nanoparticle-Catalyzed Single-Cell Electron Transfer by Fermi Level-Responsive Graphene

Qing Xia et al.

Summary: Metal nanomaterials can enhance extracellular electron transfer (EET) in microbial biofilms, but the role of nanomaterials/bacteria interaction in this process is not well understood. This study demonstrated the mechanism of metal-enhanced EET in Shewanella oneidensis MR-1 at the single-cell level using single-cell voltammetric imaging and a graphene electrode. The results showed that gold nanoparticle (AuNP) modification reduced the oxidation potential, indicating a direct EET mechanism facilitated by AuNPs. This method provides insights into nanomaterials/bacteria interaction and can guide the development of EET-related microbial fuel cells.

RESEARCH (2023)

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Article Green & Sustainable Science & Technology

Magnetic assembling GO/Fe3O4/microbes as hybridized biofilms for enhanced methane production in microbial electrosynthesis

Yuting He et al.

Summary: A top-down biosynthetic approach was used to fabricate hybridized biofilms on biocathodes, significantly enhancing methane production. Microbes were captured and loaded onto the biocathode with the presence of graphene oxide (GO) and Fe3O4 nanoparticles, forming a thick and dense biofilm. This method provides new opportunities for the development of high-performance electrochemically-active biofilms and other bioelectrochemical systems.

RENEWABLE ENERGY (2022)

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Article Environmental Sciences

CuO/g-C3N4 heterojunction photocathode enhances the microbial electrosynthesis of acetate through CO2 reduction

Tian-shun Song et al.

Summary: This study aims to improve the electron transfer and cathodic reaction in microbial electrosynthesis (MES) by incorporating CuO/g-C3N4 photocathode, resulting in enhanced acetate production rate and improved biocatalytic activity through increased biocatalyst quantity and regulation of microbial community composition.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Article Chemistry, Applied

Effects of SiO2-based scaffolds in TiO2 photocatalyzed CO2 reduction

Danny Zanardo et al.

Summary: This study investigated two silica-based materials with different porosity levels as supports for titanium dioxide in gas-phase CO2 photoreduction. The TiO2-SiO2 composites demonstrated comparable catalytic activity to pure TiO2, despite a low fraction of photoactive phase, due to improved light harvesting and reagents adsorption.

CATALYSIS TODAY (2022)

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Article Chemistry, Physical

Synergistic induced charge transfer switch by oxygen vacancy and pyrrolic nitrogen in MnFe2O4/g-C3N4 heterojunctions for efficient transformation of bicarbonate to acetate in photo-assisted MES

Weifeng Kong et al.

Summary: In this study, a photo-assisted microbial electrosynthesis system was constructed using a urea-treated MnFe2O4/g-C3N4 cathode and nonphotosynthetic bacteria Serratia marcescens Q1. The system efficiently converted inorganic carbon into acetate with a high coulombic efficiency over a period of 24 days. The remarkable photocatalytic performance of the MnFe2O4/g-C3N4 heterojunction was attributed to the switch in charge transfer mechanism induced by oxygen vacancies and pyrrolic N after urea treatment.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

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Review Agricultural Engineering

Cathodic biofilms-A prerequisite for microbial electrosynthesis

Igor Vassilev et al.

Summary: This review presents the role of cathodic biofilms in CO2 bio-reduction and provides insights into the formation and improvement of these biofilms in microbial electrosynthesis cells.

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Overview of electroactive microorganisms and electron transfer mechanisms in microbial electrochemistry

Bhim Sen Thapa et al.

Summary: This review provides an overview of electroactive microorganisms (bacteria, microalgae, and fungi) acting as microbial electrocatalysts, and their exo- and endo-electron transfer mechanisms in bioelectrochemical systems (BESs). These microorganisms convert organic and inorganic compounds to electricity and biochemicals, ultimately optimizing and advancing bioelectrochemical techniques.

BIORESOURCE TECHNOLOGY (2022)

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Article Agricultural Engineering

Advances in cathode designs and reactor configurations of microbial electrosynthesis systems to facilitate gas electro-fermentation

Suman Bajracharya et al.

Summary: Gas fermentation technology offers sustainable production of biofuels and biochemicals using C1 gases, but still faces challenges such as poor gas-liquid mass transfer and low biofilm coverage. By optimizing cathode configuration and design, these technological barriers can be overcome to advance the production of CO and CO2-derived biochemicals and biofuels in microbial electrosynthesis.

BIORESOURCE TECHNOLOGY (2022)

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Article Engineering, Environmental

Cellular electron transfer in anaerobic photo-assisted biocathode microbial electrosynthesis systems for acetate production from inorganic carbon (HCO3-)

Liping Huang et al.

Summary: This study reveals the crucial role of cellular electron transfer in anaerobic photo-assisted microbial electrosynthesis biocathodes, as well as the effect of electron transfer inhibitor in regulating acetate production and extracellular polymer release. The organisms are able to adapt and overcome the impact of the inhibitor, restoring normal physiological metabolism.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Environmental

Using copper-based biocathodes to improve carbon dioxide conversion efficiency into methane in microbial methanogenesis cells

Gahyun Baek et al.

Summary: This study compares the performance of copper-based electrodes prepared using different techniques and microbial methane generation in cells with graphite block cathodes. The results show that copper-based cathodes have better methane production than plain graphite blocks, with the highest performance found in the cathodes prepared by electroless copper deposition.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Multidisciplinary

Enhancing Extracellular Electron Transfer of Geobacter sulfurreducens in Bioelectrochemical Systems Using N-Doped Fe3O4@Carbon Dots

Jun Cheng et al.

Summary: This study proposes a nanomaterial-living cell biohybrid system to enhance energy conversion in bioelectrochemical systems. By combining a typical electroactive bacterium with a highly conductive inorganic material, they successfully promote extracellular electron transfer and achieve higher performance in microbial electrolytic cells and electro-methanogenesis. This strategy demonstrates a new approach to boost energy conversion efficiency by enhancing the interface of the biohybrid.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2022)

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Article Chemistry, Multidisciplinary

Repurposing N-Doped Grape Marc for the Fabrication of Supercapacitors with Theoretical and Machine Learning Models

Kethaki Wickramaarachchi et al.

Summary: Porous carbon derived from grape marc was synthesized and activated using KOH, which showed potential for use as supercapacitor. The presence of nitrogen dopant in the activation process enhanced the performance of the carbon material. The study also revealed that the KOH-activated carbon had better morphology, hierarchical pore structure, and larger surface area compared to the ZnCl2-activated carbon.

NANOMATERIALS (2022)

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Review Nanoscience & Nanotechnology

Gas diffusion electrodes and membranes for CO2 reduction electrolysers

Eric W. Lees et al.

Summary: This review explores material design strategies for controlling the transport of products and reactants in electrochemical reactors that convert CO2 emissions into chemicals and fuels, focusing on the design and development of gas diffusion electrodes (GDEs) and polymer electrolyte membranes tailored for the CO2 reduction reaction (CO2RR).

NATURE REVIEWS MATERIALS (2022)

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Article Multidisciplinary Sciences

Solar-Driven Producing of Value-Added Chemicals with Organic Semiconductor-Bacteria Biohybrid System

Wen Yu et al.

Summary: This study developed a photosynthetic biohybrid system that can convert glucose into high-value chemicals. By combining enzyme-modified polymer nanoparticles and genetically engineered Escherichia coli, the system achieved increased production and enhanced chemical output using light irradiation.

RESEARCH (2022)

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Article Biochemistry & Molecular Biology

Development of a three-dimensional macroporous sponge biocathode coated with carbon nanotube-MXene composite for high-performance microbial electrosynthesis systems

Khurram Tahir et al.

Summary: Microbial electrosynthesis is a renewable energy platform that converts carbon dioxide into useful chemicals to reduce carbon footprint. However, challenges such as electrode structures, current densities, and product selectivity remain. A three-dimensional macroporous sponge coated with a carbon nanotube/MXene composite was found to enhance charge transfer efficiency, microbial enrichment, and current density. The coated sponge showed improved mass diffusion, microbial growth, and production of butyrate.

BIOELECTROCHEMISTRY (2022)

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Article Agricultural Engineering

Development of a rapid startup method of direct electron transfer-dominant methanogenic microbial electrosynthesis

Xuejiao Qi et al.

Summary: The rapid startup of carbon dioxide reduction-methanogenic microbial electrosynthesis is crucial for its industrial application, and the development of cathode biofilm is the key to its industrialization. A new startup method has been developed, shortening the startup time, reducing charge transfer resistance, and enriching electroactive bacteria.

BIORESOURCE TECHNOLOGY (2022)

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Article Energy & Fuels

Reduced graphene oxide improves the performance of a methanogenic biocathode

D. Carrillo-Pena et al.

Summary: Microbial electrosynthesis using a carbon felt electrode modified with reduced graphene-oxide (rgoCF) as a methanogenic biocathode showed improved methane production compared to a control carbon felt electrode (CF). The rgoCF electrode generated almost 30% higher current density and had lower charge transfer and ohmic resistances by 50%. The presence of bacteria and archaea was also increased in the rgoCF electrode. The study estimated that a high-quality biogas (>95% methane concentration) can be produced within a certain CO2 feeding rate range.

FUEL (2022)

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Article Chemistry, Multidisciplinary

?-Fe2O3/g-C3N4 Z-Scheme Heterojunction Photocathode to Enhance Microbial Electrosynthesis of Acetate from CO2

Tao Li et al.

Summary: This study investigates a method for CO2 fixation via a visible-light responsive photocathode microbial electrosynthesis (MES). By constructing an alpha-Fe2O3/g-C3N4 heterojunction structure, efficient electron-hole separation under visible light is achieved. The introduction of alpha-Fe2O3 promotes electron transfer and improves acetate production. This work provides new opportunities for constructing a highly efficient photocathode for MES.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2022)

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Review Chemistry, Physical

Advances and challenges in developing cocatalysts for photocatalytic conversion of carbon dioxide to fuels

Qian Wang et al.

Summary: This review provides a comprehensive summary of recent advancements in cocatalysts for photocatalytic CO2 reduction reaction (CO2RR), offering insights and guidance for future research directions and best practices.

NANO RESEARCH (2022)

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Editorial Material Multidisciplinary Sciences

The matter of a clean energy future

James Morton Turner

SCIENCE (2022)

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Review Microbiology

Sporomusa ovata as Catalyst for Bioelectrochemical Carbon Dioxide Reduction: A Review Across Disciplines From Microbiology to Process Engineering

Joana Madjarov et al.

Summary: This review summarizes the research progress of Sporomusa ovata in the field of microbial electrosynthesis (MES), including its applications in microbiology, biochemistry, engineering, and materials science. The methods to improve the biocatalytic capacity of S. ovata in recent years through optimization strategies are discussed, along with the potential of genetic engineering to enhance its performance. Future research efforts should focus on addressing the current knowledge gaps to further explore the potential of S. ovata in the MES field.

FRONTIERS IN MICROBIOLOGY (2022)

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Article Multidisciplinary Sciences

Multicarbons generation factory: CuO/Ni single atoms tandem catalyst for boosting the productivity of CO2 electrocatalysis

Yu Zhang et al.

Summary: Tandem electrocatalysis is an effective approach for CO2 conversion to multicarbon products. However, the mass-transport limitation of CO hampers high-rate production of C2+ products. In this study, a CuO/Ni single atoms tandem catalyst was designed, enabling in-situ generation and rapid consumption of CO, leading to high partial current density and excellent selectivities for C2+ products.

SCIENCE BULLETIN (2022)

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Article Agricultural Engineering

Solid neutral red/Nafion conductive layer on carbon felt electrode enhances acetate production from CO2 and energy efficiency in microbial electrosynthesis system

Shuwei Li et al.

Summary: Renewable electricity-based microbial electrosynthesis can convert CO2 into value-added chemicals and increase the number of biocatalysts by cell growth, achieving sustainable carbon-negative processes.

BIORESOURCE TECHNOLOGY (2022)

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Article Thermodynamics

Direct CO2 delivery with hollow stainless steel/graphene foam electrode for enhanced methane production in microbial electrosynthesis

Qian Fu et al.

Summary: Microbial electrosynthesis system (MES) is a promising energy storage technology. Developing high-performance biocathodes is crucial for improving MES productivity. In this study, a porous hollow stainless steel/graphene foam (GF) electrode was developed to enhance CO2 delivery and methane production. The hybrid electrode allowed efficient CO2 supply and maintained a suitable pH, resulting in high CH4-production rate and Faradaic efficiency. The results demonstrate the effectiveness of developing 3D-network cathodes with CO2 diffusion assistance.

ENERGY CONVERSION AND MANAGEMENT (2022)

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Article Engineering, Environmental

Microbial Electrosynthesis of Acetate Powered by Intermittent Electricity

Jorg S. Deutzmann et al.

Summary: This study investigates the impact of intermittent electricity supply on the performance of hydrogen mediated acetate electrosynthesis, and finds that the accumulation of acetic acid and current interruptions affect the recovery. However, supplying a low background current can mitigate the effects of current interruptions on subsequent MES performance.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2022)

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Article Chemistry, Physical

CuO/g-C3N4/rGO multifunctional photocathode with simultaneous enhancement of electron transfer and substrate mass transfer facilitates microbial electrosynthesis of acetate

Tao Li et al.

Summary: A novel CuO/g-C3N4/rGO multifunctional photocatalyst was developed and applied in a microbial electrosynthesis (MES) system using mixed culture as a biocatalyst. The introduction of rGO enhanced light absorption capacity and improved electron-hole separation migration efficiency. CuO/g-C3N4/rGO was beneficial for enriching electroautotrophic microorganisms and increasing the abundance of specific bacteria. The study provides insights for the design of multifunctional photocathodes to reduce energy consumption and improve MES efficiency.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2022)

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Article Engineering, Environmental

Syngas mediated microbial electrosynthesis for CO2 to acetate conversion using Clostridium ljungdahlii

Xiaobo Zhu et al.

Summary: Carbon dioxide valorization through microbial electrosynthesis (MES) has potential for mild operating conditions and stable long-term performance. However, previous studies have shown poor organic production rates using direct electron transfer mechanisms, leading to the use of electrochemically generated H-2 for improved carbon utilization. In this study, selective cobalt phthalocyanine catalysts were incorporated into new planar 2D and porous 3D MES cathodes to produce syngas and boost bioconversion rates of CO2 into value-added products. The 3D porous electrodes demonstrated higher stability and more efficient CO and H-2 generation, resulting in increased acetate and ethanol titers.

RESOURCES CONSERVATION AND RECYCLING (2022)

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Article Environmental Sciences

Metal nanoparticles increased the lag period and shaped the microbial community in slurry-electrode microbial electrosynthesis

Yu Gao et al.

Summary: This study systematically evaluated the effect of nonprecious metal nanoparticles on the performance of slurry-electrode microbial electrosynthesis (MES) and found that metal nanoparticles mainly affect the performance of biocathodes by shaping the microbial community.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Article Biochemistry & Molecular Biology

Evaluation of biocathode materials for microbial electrosynthesis of methane and acetate

Abraham Gomez Vidales et al.

Summary: This study compares the performance of carbon felt (CF), granular activated carbon (GAC), and a conductive acrylonitrile butadiene styrene (cABS) polymer cathodes in microbial electrosynthesis (MES) cells for methane and acetate production. The CF cathode exhibited the highest rates, while the GAC and cABS cathodes showed lower rates.

BIOELECTROCHEMISTRY (2022)

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Article Engineering, Environmental

Nickel-Coated ceramic hollow fiber cathode for fast enrichment of chemolithoautotrophs and efficient reduction of CO2 in microbial electrosynthesis

Bin Bian et al.

Summary: In this study, a novel and multifunctional cathode configuration was developed on ceramic hollow fiber membrane for microbial electrosynthesis (MES). The configuration allowed for the enrichment of chemolithoautotrophs and the separation of acetate from MES simultaneously. The study showed that a thick layer of chemolithoautotrophs, dominated by Sporomusa, was enriched on the membrane cathode surface through suspended biomass microfiltration. The study also demonstrated that more than 87% of acetate could be harvested after catholyte microfiltration. The findings contribute to the realization of MES systems as a promising platform for CO2 reduction and biochemical production, with easy product separation and fast establishment of chemolithoautotrophs on the cathode.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Environmental Sciences

Enhancing the selective synthesis of butyrate in microbial electrosynthesis system by gas diffusion membrane composite biocathode

Yun Wu et al.

Summary: The reduction of CO2 to high value-added compounds is achieved using a composite cathode, which enhances the mass transfer of CO2 and reduces the threshold for butyrate synthesis. The composite cathode provides a stable pH by consuming CO2 and protons, leading to the sequential conversion of CO2 into acetate and butyrate.

CHEMOSPHERE (2022)

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Article Engineering, Environmental

Enhanced production and utilization of biosynthesized acetate using a packed-fluidized bed cathode based MES system

Sadaf Shakeel et al.

Summary: Microbial electrosynthesis (MES) is a promising approach for reducing carbon footprints by converting carbon dioxide into value-added products and biofuels. However, the technology still faces challenges such as low production rates, high costs, and energy consumption. This study addresses these issues by introducing a cost-effective packed-fluidized cathode and a separate reactor for bioalcohol production from dilute acetate. These innovations improve the bioavailability of CO2 and enhance biofuel production.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2022)

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Review Physics, Applied

Controlling covalent chemistry on graphene oxide

Shi Guo et al.

Summary: Graphene has remarkable physicochemical properties, but its low dispersibility and tendency to aggregate hinder its full exploitation. Graphene oxide (GO) is a promising substitute with high dispersibility and abundant oxygen-containing groups. However, the reactivity of GO and the lack of control in its derivatization pose challenges. This review discusses the chemical reactivity of GO, the obstacles in precise control of its functionalization, and future directions for improving GO chemistry control.

NATURE REVIEWS PHYSICS (2022)

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Review Chemistry, Physical

Advances of the functionalized carbon nitrides for electrocatalysis

Qianqian Fan et al.

Summary: This review provides an overview of the design and development of carbon materials, focusing on nitrogenated porous graphene and polymeric carbon nitride. It discusses their structural properties, synthetic methods, and various applications in electrocatalytic reactions. The review also highlights the current obstacles to the development of carbon nitride materials.

CARBON ENERGY (2022)

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Article Agricultural Engineering

The effect of additional salinity on performance of a phosphate buffer saline buffered three-electrode bioelectrochemical system inoculated with wastewater

Fei Guo et al.

Summary: This study used a three-electrode BES system to investigate the effects of additional salinity on BES performance. It was found that increasing salinity led to a decrease in current production, while the dominant exoelectrogens were not inhibited. The increase in interfacial resistance was identified as the main reason for the decreased current production with the increasing additional salinity.

BIORESOURCE TECHNOLOGY (2021)

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Article Engineering, Environmental

Addition of a carbon fiber brush improves anaerobic digestion compared to external voltage application

Gahyun Baek et al.

Summary: Adding a high surface area carbon fiber brush to AD reactors can effectively improve methane production efficiency, leading to increased methane generation rate and rapid consumption of volatile fatty acids, thus enhancing AD performance. The microbial community structure formed in biofilms of large-size brushes differs significantly from that in electrodes.

WATER RESEARCH (2021)

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Article Chemistry, Multidisciplinary

Nanomaterials Facilitating Microbial Extracellular Electron Transfer at Interfaces

Ruiwen Wang et al.

Summary: Electrochemically active bacteria participate in extracellular electron transfer (EET) to transport electrons between anodes and cathodes, leading to the development of microbial bio-electrochemical systems (BES) for various applications. Current research focuses on improving EET using nanomaterials, investigating their behavior in different EET routes and their impact on BES performance.

ADVANCED MATERIALS (2021)

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Article Agricultural Engineering

Resistance assessment of microbial electrosynthesis for biochemical production to changes in delivery methods and CO2 flow rates

Bin Bian et al.

Summary: The research demonstrated that directly sparging CO2 through a specific electrode into the biofilm can increase the product yield in microbial electrosynthesis. Furthermore, even when there are fluctuations in CO2 flow rates, a relatively stable biofilm can maintain a high efficiency of CO2 conversion.

BIORESOURCE TECHNOLOGY (2021)

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Review Biotechnology & Applied Microbiology

Microbial Electrosynthesis: Where Do We Go from Here?

Ludovic Jourdin et al.

Summary: The technology of microbial electrosynthesis (MES) offers opportunities and challenges in converting CO2 into valuable products, requiring collaboration across multiple disciplines. Future efforts will focus on designing efficient reactors for biocatalysts, while leveraging lessons learned from other fields to improve performance. Research into robust and adaptable biocatalysts will be necessary as the technology evolves into larger and more efficient configurations.

TRENDS IN BIOTECHNOLOGY (2021)

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Article Biochemistry & Molecular Biology

Research on the electrocatalytic reduction of CO2 by microorganisms with a nano-titanium carburizing electrode

Ning Hu et al.

Summary: The study demonstrates that improving electrode performance can effectively enhance the efficiency of microbial electrosynthesis for CO2 reduction. Metal-based carbon hybrid materials show promise due to their good biological affinity, stability, and electrochemical performance.

BIOELECTROCHEMISTRY (2021)

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Article Engineering, Environmental

Efficient conversion of bicarbonate (HCO3-) to acetate and simultaneous heavy metal Cr(VI) removal in photo-assisted microbial electrosynthesis systems combining WO3/MoO3/g-C3N4 heterojunctions and Serratia marcescens electrotroph

Liping Huang et al.

Summary: This study demonstrates the simultaneous removal of hazardous heavy metal Cr(VI) and production of acetate in water through a photo-assisted microbial electrosynthesis (MES) system. The conduction band electrons generated by WO3/MoO3/g-C3N4 facilitated the reduction of Cr(VI) and H+, leading to the conversion of H-2 to acetate by Serratia marcescens.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Chemistry, Physical

Research on electrocatalytic reduction of CO2 by microorganisms with a graphene modified carbon felt

Ning Hu et al.

Summary: The study found that using graphene as electrode modification material can enhance the efficiency of CO2 reduction to organics in microbial electrosynthesis, increasing current density and organics production. SEM analysis and cyclic voltammetry results demonstrated that graphene-modified electrodes have a larger specific surface area and better electrochemical performance, which further promotes organic production.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

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Article Green & Sustainable Science & Technology

Improved robustness of ex-situ biological methanation for electro-fuel production through the addition of graphene

Benteng Wu et al.

Summary: Ex-situ biomethanation can achieve renewable electricity storage and CO2 valorisation simultaneously, but intermittent hydrogen supply may affect microbial activity. Graphene as an additive improves system performance under intermittent supply, while pyrochar shows no significant enhancement. Microbial analysis indicates potential new syntrophic relationships to enhance biomethanation robustness.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2021)

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Article Environmental Sciences

Mixed-culture biocathodes for acetate production from CO2 reduction in the microbial electrosynthesis: Impact of temperature

Hou-Yun Yang et al.

Summary: This study investigated the temperature effect on bioelectrochemical reduction of CO2 to acetate with a mixed-culture biocathode in the microbial electrosynthesis, showing that mesophilic conditions were more favorable for acetate production. The electron recovery efficiency ranged from 14.50 +/- 2.20% to 64.86 +/- 2.20%, with propionate, butyrate, and H-2 generation influencing the process. The dominance of Bacteroidetes phylum and specific genera in the biofilm varied with temperature conditions, highlighting the importance of mesophilic conditions for biofilm formation and acetate production efficiency.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Review Environmental Sciences

Impact of metallic nanoparticles on anaerobic digestion: A systematic review

Xaowen Zhu et al.

Summary: Most metallic nanoparticles with trace-element base (e.g. iron, cobalt, nickel) have positive effects on both AD hydrogen-generation and methane-production processes in terms of gas production, effluent quality, as well as process optimization. Nano-additives without trace-element base provide active sites for microorganisms and absorb inhibitory factors. Methane-production phases are more sensitive to the additions of these nanoparticles than the hydrogen-production phase.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Article Chemistry, Physical

Efficient production of acetate from inorganic carbon (HCO3-) in microbial electrosynthesis systems incorporating Ag3PO4/g-C3N4 anaerobic photo-assisted biocathodes

Weifeng Kong et al.

Summary: The study demonstrates an efficient strategy to produce acetate from HCO3- in a sustainable and feasible manner in a photo-assisted microbial electrosynthesis system. By utilizing a Z-scheme photocatalytic heterojunction structure formed by Ag3PO4/g-C3N4 biocathode, the photocorrosion of Ag3PO4 is inhibited, achieving high efficiency acetate production.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Biochemistry & Molecular Biology

Explore the difference between the single-chamber and dual-chamber microbial electrosynthesis for biogas production performance

Hui Wang et al.

Summary: The study found that the methane production performance was better in single-chamber MES compared to dual-chamber MES, with differences in microbial community structure. This information is useful for selecting suitable reactors and optimizing reaction design.

BIOELECTROCHEMISTRY (2021)

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Article Environmental Sciences

Enhanced product selectivity in the microbial electrosynthesis of butyrate using a nickel ferrite-coated biocathode

Khurram Tahir et al.

Summary: The study demonstrates that modifying electrodes with nickel ferrite can enhance the selective production of butyrate in microbial electrosynthesis (MES) and achieve better MES performance. Results show that the nickel ferrite-modified electrode not only increases butyrate production and cathodic current production, but also significantly improves product selectivity.

ENVIRONMENTAL RESEARCH (2021)

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Article Environmental Sciences

Copper ferrite supported reduced graphene oxide as cathode materials to enhance microbial electrosynthesis of volatile fatty acids from CO2

Dayakar Thatikayala et al.

Summary: The copper ferrite/reduced graphene oxide nanocomposites synthesized using the biocombustion method showed promising results as a cathode catalyst in the microbial reduction of CO2 to volatile fatty acids in a single chamber microbial electrosynthesis system, exhibiting high efficiency and performance. The CF/rGO/Cc electrode demonstrated excellent electrochemical properties and biocompatibility, facilitating enhanced colonization and growth of microbes, ultimately leading to improved bioelectrochemical CO2 reduction and VFA production.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Article Chemistry, Multidisciplinary

Electrocatalytic Membranes for Tunable Syngas Production and High-Efficiency Delivery to Biocompatible Electrolytes

Xiaobo Zhu et al.

Summary: The integration of electrochemical and biological CO2 reduction in artificial photosynthesis shows promise for reducing environmental impact and enabling a circular carbon economy. The development of stable and selective CO2 reduction catalysts is crucial for the advancement of these processes. This study demonstrated the fabrication of a porous silver gas diffusion electrode (GDE) for tunable electrochemical syngas production, with optimized reactor conditions leading to higher CO faradic efficiencies and tunable CO/H2 ratios. Investigation into the impact of complex microbial growth media on electrocatalysis revealed consistent high efficiencies for syngas production but also a significant increase in H2 production with certain nutrient additives.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

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Review Chemistry, Multidisciplinary

Advances in the Synthesis of 2D MXenes

Yi Wei et al.

Summary: MXenes, versatile materials with adjustable structures and rich surface chemistry, have been recognized as potential 2D materials for various applications. Recent research has focused on synthetic routes, etching methods, and delamination strategies for large-scale preparation and stable storage. Antioxidation strategies for MXenes have also been summarized for future developments and practical applications.

ADVANCED MATERIALS (2021)

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Article Electrochemistry

Carbon dioxide conversion to C1-C2 compounds in a microbial electrosynthesis cell with in situ electrodeposition of nickel and iron

Abraham Gomez Vidales et al.

Summary: This study demonstrates the continuous conversion of CO2 to methane, acetate, and ethanol in a Microbial Electrosynthesis Cell with a carbon felt biocathode. In situ deposition of Ni and Fe on the cathode significantly improved the MESC performance. pH adjustment in the cathode compartment could shift the product distribution, and 16S rRNA gene sequencing revealed significant changes in microbial community structure.

ELECTROCHIMICA ACTA (2021)

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Article Green & Sustainable Science & Technology

MnO2/reduced graphene oxide nanohybrids as a cathode catalyst for the microbial reduction of CO2 to acetate and isobutyric acid

Dayakar Thatikayala et al.

Summary: In this study, a novel electrode made of nanowires interconnected with MnO2/rGO nanohybrids was developed to enhance the conversion of CO2 to value-added products. The modified cathode catalyst showed increased CO2 absorption capacity, reduced electron transfer resistance, enhanced product yields, and improved columbic efficiency. This suggests the potential of using nanostructured MnO2/rGO nanohybrids as catalysts to enhance CO2 electro-reduction for high-value VFAs production in MES systems, which could be further developed for carbon capture and utilization technology.

SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS (2021)

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Article Engineering, Environmental

High capacitive rGO/WO3 supported nanofibers as cathode catalyst to boost-up the CO2 sequestration via microbial electrosynthesis

Abdul Hakeem Anwer et al.

Summary: A modified cathode with highly conductive nanofibers was fabricated for electroreduction of CO2 through microbial electrosynthesis. The modified cathode showed enhanced acetate production, reduced electron flow resistance, increased MES coulombic efficiencies, and improved biocompatibility and electrode conductivity, providing a more attractive approach for bioprocess applications.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2021)

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Review Chemistry, Physical

Carbon material-based anodes in the microbial fuel cells

Xiaoqi Fan et al.

Summary: The application of carbon materials in MFC anodes has become a key aspect of improving the performance of microbial fuel cells, focusing on the diversity of carbon materials types and structures, as well as research on enhancing bacterial attachment and electron transfer efficiency. By summarizing the various strategies and mechanisms used to modify MFC anodes with carbon materials, guidance can be provided for the future development of carbon material-based anodes in MFCs.

CARBON ENERGY (2021)

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Review Chemistry, Multidisciplinary

Microbiome for the Electrosynthesis of Chemicals from Carbon Dioxide

Edward V. LaBelle et al.

ACCOUNTS OF CHEMICAL RESEARCH (2020)

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Review Chemistry, Multidisciplinary

Purposely Designed Hierarchical Porous Electrodes for High Rate Microbial Electrosynthesis of Acetate from Carbon Dioxide

Victoria Flexer et al.

ACCOUNTS OF CHEMICAL RESEARCH (2020)

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Review Chemistry, Multidisciplinary

Synthetic Photoelectrochemistry

Joshua P. Barham et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Engineering, Environmental

A novel MXene-coated biocathode for enhanced microbial electrosynthesis performance

Khurram Tahir et al.

CHEMICAL ENGINEERING JOURNAL (2020)

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Review Agricultural Engineering

Microbial electrosynthesis from CO2: Challenges, opportunities and perspectives in the context of circular bioeconomy

Bin Bian et al.

BIORESOURCE TECHNOLOGY (2020)

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Article Chemistry, Multidisciplinary

Effect of Electroactive Biofilm Formation on Acetic Acid Production in Anaerobic Sludge Driven Microbial Electrosynthesis

Fuad Ameen et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2020)

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Review Biochemical Research Methods

Microbial electrosynthesis from CO2: forever a promise?

Antonin Prevoteau et al.

CURRENT OPINION IN BIOTECHNOLOGY (2020)

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Article Engineering, Environmental

Denitrifying Anaerobic Methane Oxidation and Anammox Process in a Membrane Aerated Membrane Bioreactor: Kinetic Evaluation and Optimization

Lai Peng et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2020)

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Article Green & Sustainable Science & Technology

Nitric acid treated graphite granular cathode for microbial electro reduction of carbon dioxide to acetate

Sadaf Shakeel et al.

JOURNAL OF CLEANER PRODUCTION (2020)

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Article Chemistry, Multidisciplinary

Artificial Electron Mediator with Nanocubic Architecture Highly Promotes Microbial Electrosynthesis from Carbon Dioxide

Shihao Tian et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2020)

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Article Chemistry, Physical

Acetate production from inorganic carbon (HCO3-) in photo-assisted biocathode microbial electrosynthesis systems using WO3/MoO3/g-C3N4 heterojunctions and Serratia marcescens species

Zhenghong Cai et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2020)

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Article Agricultural Engineering

Enhanced electron transfer on microbial electrosynthesis biocathode by polypyrrole-coated acetogens

Haiping Luo et al.

BIORESOURCE TECHNOLOGY (2020)

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Article Chemistry, Multidisciplinary

Enhancement of Bioelectrochemical CO2 Reduction with a Carbon Brush Electrode via Direct Electron Transfer

Chuanqi Liu et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2020)

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Article Chemistry, Physical

Cu-Ag Tandem Catalysts for High-Rate CO2 Electrolysis toward Multicarbons

Chubai Chen et al.

JOULE (2020)

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Article Agricultural Engineering

Electrotrophy of biocathodes regulates microbial-electro-catalyzation of CO2 to fatty acids in single chambered system

Athmakuri Tharak et al.

BIORESOURCE TECHNOLOGY (2020)

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Article Engineering, Environmental

Electroactive biofilms on surface functionalized anodes: The anode respiring behavior of a novel electroactive bacterium, Desulfuromonas acetexigens

Krishna P. Katuri et al.

WATER RESEARCH (2020)

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Article Chemistry, Multidisciplinary

Hydrothermal synthesis of MoS2 nanoflowers for an efficient microbial electrosynthesis of acetate from CO2

Tian-shun Song et al.

JOURNAL OF CO2 UTILIZATION (2020)

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Article Engineering, Chemical

Nanocarbon-based metal-free and non-precious metal bifunctional electrocatalysts for oxygen reduction and oxygen evolution reactions

Yansong Zhu et al.

Journal of Energy Chemistry (2020)

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Article Chemistry, Physical

GO/PEDOT modified biocathodes promoting CO2 reduction to CH4 in microbial electrosynthesis

Qing Li et al.

SUSTAINABLE ENERGY & FUELS (2020)

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Article Chemistry, Physical

Close-Packed Nanowire-Bacteria Hybrids for Efficient Solar-Driven CO2 Fixation

Yude Su et al.

JOULE (2020)

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Article Agricultural Engineering

Development of methanogens within cathodic biofilm in the single-chamber microbial electrolysis cell

Xiao Li et al.

BIORESOURCE TECHNOLOGY (2019)

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Article Biotechnology & Applied Microbiology

Mo2C-induced hydrogen production enhances microbial electrosynthesis of acetate from CO2 reduction

Shihao Tian et al.

BIOTECHNOLOGY FOR BIOFUELS (2019)

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Review Chemistry, Inorganic & Nuclear

Artificial Z-scheme photocatalytic system: What have been done and where to go?

Danlian Huang et al.

COORDINATION CHEMISTRY REVIEWS (2019)

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Review Green & Sustainable Science & Technology

Selective enrichment of biocatalysts for bioelectrochemical systems: A critical review

Pritha Chatterjee et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2019)

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Article Chemistry, Physical

Making quantitative sense of electromicrobial production

Nico J. Claassens et al.

NATURE CATALYSIS (2019)

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Article Biochemistry & Molecular Biology

Increased carbon dioxide reduction to acetate in a microbial electrosynthesis reactor with a reduced graphene oxide-coated copper foam composite cathode

Nabin Aryal et al.

BIOELECTROCHEMISTRY (2019)

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Article Engineering, Environmental

Zinc: A promising material for electrocatalyst-assisted microbial electrosynthesis of carboxylic acids from carbon dioxide

Yong Jiang et al.

WATER RESEARCH (2019)

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Review Biotechnology & Applied Microbiology

New bioproduction systems for chemicals and fuels: Needs and new development

An-Ping Zeng

BIOTECHNOLOGY ADVANCES (2019)

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Article Chemistry, Multidisciplinary

Structural Sensitivities in Bimetallic Catalysts for Electrochemical CO2 Reduction Revealed by Ag-Cu Nanodimers

Jianfeng Huang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

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Review Nanoscience & Nanotechnology

Synthesis and applications of three-dimensional graphene network structures

Z. Chen et al.

MATERIALS TODAY NANO (2019)

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Article Chemistry, Multidisciplinary

Robust and biocompatible catalysts for efficient hydrogen-driven microbial electrosynthesis

Frauke Kracke et al.

COMMUNICATIONS CHEMISTRY (2019)

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Review Chemistry, Physical

Reduced graphene oxide-based materials for electrochemical energy conversion reactions

Seokhoon Choi et al.

CARBON ENERGY (2019)

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Article Nanoscience & Nanotechnology

Synthesis and Characterization of CuFe2O4 Nano/Submicron Wire-Carbon Nanotube Composites as Binder-free Anodes for Li-Ion Batteries

Lei Wang et al.

ACS APPLIED MATERIALS & INTERFACES (2018)

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Article Agricultural Engineering

Electro-biocatalytic conversion of carbon dioxide to alcohols using gas diffusion electrode

Sandipam Srikanth et al.

BIORESOURCE TECHNOLOGY (2018)

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Review Engineering, Environmental

Reactor systems for syngas fermentation processes: A review

Konstantinos Asimakopoulos et al.

CHEMICAL ENGINEERING JOURNAL (2018)

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Review Chemistry, Multidisciplinary

Emerging Two-Dimensional Nanomaterials for Electrocatalysis

Huanyu Jin et al.

CHEMICAL REVIEWS (2018)

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Article Energy & Fuels

An integrated electrochemical and biochemical system for sequential reduction of CO2 to methane

Yu-Xi Huang et al.

FUEL (2018)

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Article Chemistry, Physical

Engineered Shewanella oneidensis-reduced graphene oxide biohybrid with enhanced biosynthesis and transport of flavins enabled a highest bioelectricity output in microbial fuel cells

Tong Lin et al.

NANO ENERGY (2018)

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Article Chemistry, Multidisciplinary

Porous Hollow Fiber Nickel Electrodes for Effective Supply and Reduction of Carbon Dioxide to Methane through Microbial Electrosynthesis

Manal F. Alqahtani et al.

ADVANCED FUNCTIONAL MATERIALS (2018)

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Article Agricultural Engineering

Fluidized granular activated carbon electrode for efficient microbial electrosynthesis of acetate from carbon dioxide

Zhiwei Dong et al.

BIORESOURCE TECHNOLOGY (2018)

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Article Multidisciplinary Sciences

Modular engineering to increase intracellular NAD (H/(+)) promotes rate of extracellular electron transfer of Shewanella oneidensis

Feng Li et al.

NATURE COMMUNICATIONS (2018)

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Article Chemistry, Physical

Interfacial Electron Transfer from the Outer Membrane Cytochrome OmcA to Graphene Oxide in a Microbial Fuel Cell: Spectral and Electrochemical Insights

Sheng-Song Yu et al.

ACS ENERGY LETTERS (2018)

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Article Energy & Fuels

Anaerobic thermophilic trickle bed reactor as a promising technology for flexible and demand-oriented H-2/CO2 biomethanation

Dietmar Struebing et al.

APPLIED ENERGY (2018)

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Article Chemistry, Physical

Defect-engineered reduced graphene oxide sheets with high electric conductivity and controlled thermal conductivity for soft and flexible wearable thermoelectric generators

Wei Zeng et al.

NANO ENERGY (2018)

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Article Chemistry, Physical

Interpenetrated Bacteria-Carbon Nanotubes Film for Microbial Fuel Cells

Tianyi Kou et al.

SMALL METHODS (2018)

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Article Chemistry, Physical

Technical photosynthesis involving CO2 electrolysis and fermentation

Thomas Haas et al.

NATURE CATALYSIS (2018)

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Review Chemistry, Multidisciplinary

Carbon-Based Microbial-Fuel-Cell Electrodes: From Conductive Supports to Active Catalysts

Shuang Li et al.

ADVANCED MATERIALS (2017)

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Article Chemistry, Physical

3D Macroporous Nitrogen-Enriched Graphitic Carbon Scaffold for Efficient Bioelectricity Generation in Microbial Fuel Cells

Shijie You et al.

ADVANCED ENERGY MATERIALS (2017)

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Review Thermodynamics

Microbial electrolysis cell platform for simultaneous waste biorefinery and clean electrofuels generation: Current, situation, challenges and future perspectives

Guangyin Zhen et al.

PROGRESS IN ENERGY AND COMBUSTION SCIENCE (2017)

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Review Green & Sustainable Science & Technology

Mini-review: Anode modification for improved performance of microbial fuel cell

Y. Hindatu et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2017)

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Article Chemistry, Physical

Urea-Modified Carbon Nitrides: Enhancing Photocatalytic Hydrogen Evolution by Rational Defect Engineering

Vincent Wing-hei Lau et al.

ADVANCED ENERGY MATERIALS (2017)

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Review Chemistry, Physical

Progress in Developing Metal Oxide Nanomaterials for Photoelectrochemical Water Splitting

Yi Yang et al.

ADVANCED ENERGY MATERIALS (2017)

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Article Chemistry, Physical

Three-dimensional hierarchical metal oxide-carbon electrode materials for highly efficient microbial electrosynthesis

M. Cui et al.

SUSTAINABLE ENERGY & FUELS (2017)

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Article Agricultural Engineering

High efficiency microbial electrosynthesis of acetate from carbon dioxide by a self-assembled electroactive biofilm

Tian-shun Song et al.

BIORESOURCE TECHNOLOGY (2017)

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Article Biochemistry & Molecular Biology

Thermophilic Moorella thermoautotrophica-immobilized cathode enhanced microbial electrosynthesis of acetate and formate from CO2

Linpeng Yu et al.

BIOELECTROCHEMISTRY (2017)

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Review Chemistry, Multidisciplinary

Heterojunction Photocatalysts

Jingxiang Low et al.

ADVANCED MATERIALS (2017)

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Review Engineering, Environmental

Recent progress of carbonaceous materials in fuel cell applications: An overview

P. Y. You et al.

CHEMICAL ENGINEERING JOURNAL (2017)

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Article Biophysics

Recent advance in fabricating monolithic 3D porous graphene and their applications in biosensing and biofuel cells

Hua-Jun Qiu et al.

BIOSENSORS & BIOELECTRONICS (2017)

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Article Engineering, Environmental

Promoted electromethanosynthesis in a two-chamber microbial electrolysis cells (MECs) containing a hybrid biocathode covered with graphite felt (GF)

Guangyin Zhen et al.

CHEMICAL ENGINEERING JOURNAL (2016)

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Article Electrochemistry

Enhanced microbial electrosynthesis with three-dimensional graphene functionalized cathodes fabricated via solvothermal synthesis

Nabin Aryal et al.

ELECTROCHIMICA ACTA (2016)

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Article Environmental Sciences

Application of gas diffusion biocathode in microbial electrosynthesis from carbon dioxide

Suman Bajracharya et al.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2016)

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Review Microbiology

Fuelling the future: microbial engineering for the production of sustainable biofuels

James C. Liao et al.

NATURE REVIEWS MICROBIOLOGY (2016)

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Review Green & Sustainable Science & Technology

Recent advances and emerging challenges in microbial electrolysis cells (MECs) for microbial production of hydrogen and value-added chemicals

Abudukeremu Kadier et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2016)

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Article Multidisciplinary Sciences

Electromagnetic interference shielding with 2D transition metal carbides (MXenes)

Faisal Shahzad et al.

SCIENCE (2016)

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Article Chemistry, Physical

Carbon Nanomaterials in Different Dimensions for Electrochemical Energy Storage

Jiangfeng Ni et al.

ADVANCED ENERGY MATERIALS (2016)

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Review Nanoscience & Nanotechnology

Carbon-based metal-free catalysts

Xien Liu et al.

NATURE REVIEWS MATERIALS (2016)

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Article Agricultural Engineering

Carbon dioxide reduction by mixed and pure cultures in microbial electrosynthesis using an assembly of graphite felt and stainless steel as a cathode

Suman Bajracharya et al.

BIORESOURCE TECHNOLOGY (2015)

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Review Biophysics

Composite materials for polymer electrolyte membrane microbial fuel cells

Ermete Antolini

BIOSENSORS & BIOELECTRONICS (2015)

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Article Chemistry, Physical

Effect of surface chemistry and textural properties on carbon dioxide uptake in hydrothermally reduced graphene oxide

Zhu-Yin Sui et al.

CARBON (2015)

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Article Chemistry, Multidisciplinary

Nanowire-Bacteria Hybrids for Unassisted Solar Carbon Dioxide Fixation to Value-Added Chemicals

Chong Liu et al.

NANO LETTERS (2015)

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Article Multidisciplinary Sciences

Hybrid bioinorganic approach to solar-to-chemical conversion

Eva M. Nichols et al.

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2015)

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Article Multidisciplinary Sciences

Metal-free efficient photocatalyst for stable visible water splitting via a two-electron pathway

Juan Liu et al.

SCIENCE (2015)

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Article Multidisciplinary Sciences

Redox cycling of Fe(II) and Fe(III) in magnetite by Fe-metabolizing bacteria

James M. Byrne et al.

SCIENCE (2015)

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Article Chemistry, Physical

Semiconductor-based photocatalysts and photoelectrochemical cells for solar fuel generation: a review

Jiangtian Li et al.

CATALYSIS SCIENCE & TECHNOLOGY (2015)

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Article Chemistry, Physical

Conversion of sewage sludge into high-performance bifunctional electrode materials for microbial energy harvesting

Yong Yuan et al.

JOURNAL OF MATERIALS CHEMISTRY A (2015)

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Article Chemistry, Multidisciplinary

Highly Active Bidirectional Electron Transfer by a Self-Assembled Electroactive Reduced- Graphene-Oxide-Hybridized Biofilm**

Yang-Chun Yong et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2014)

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Article Chemistry, Physical

Semiconductor Nanowires for Artificial Photosynthesis

Chong Liu et al.

CHEMISTRY OF MATERIALS (2014)

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Article Engineering, Environmental

A Novel Anaerobic Electrochemical Membrane Bioreactor (AnEMBR) with Conductive Hollow-fiber Membrane for Treatment of Low-Organic Strength Solutions

Krishna P. Katuri et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2014)

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Article Chemistry, Multidisciplinary

Enhanced Photocatalytic CO2-Reduction Activity of Anatase TiO2 by Coexposed {001} and {101} Facets

Jiaguo Yu et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2014)

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Article Multidisciplinary Sciences

Electron uptake by iron-oxidizing phototrophic bacteria

A. Bose et al.

NATURE COMMUNICATIONS (2014)

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Article Chemistry, Physical

Long-Lived, Visible-Light-Excited Charge Carriers of TiO2/BiVO4 Nanocomposites and their Unexpected Photoactivity for Water Splitting

Mingzheng Xie et al.

ADVANCED ENERGY MATERIALS (2014)

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Article Agricultural Engineering

Carbon and nitrogen removal and enhanced methane production in a microbial electrolysis cell

Marianna Villano et al.

BIORESOURCE TECHNOLOGY (2013)

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Article Chemistry, Multidisciplinary

Recent developments in transition metal carbides and nitrides as hydrogen evolution electrocatalysts

Wei-Fu Chen et al.

CHEMICAL COMMUNICATIONS (2013)

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Article Chemistry, Multidisciplinary

p-n Heterojunction photoelectrodes composed of Cu2O-loaded TiO2 nanotube arrays with enhanced photoelectrochemical and photoelectrocatalytic activities

Mengye Wang et al.

ENERGY & ENVIRONMENTAL SCIENCE (2013)

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Article Chemistry, Multidisciplinary

The nanostructure of three-dimensional scaffolds enhances the current density of microbial bioelectrochemical systems

Victoria Flexer et al.

ENERGY & ENVIRONMENTAL SCIENCE (2013)

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Article Engineering, Environmental

Long-term Operation of Microbial Electrosynthesis Systems Improves Acetate Production by Autotrophic Microbiomes

Christopher W. Marshall et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2013)

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Article Multidisciplinary Sciences

Nitrogen-doped carbon nanomaterials as non-metal electrocatalysts for water oxidation

Yong Zhao et al.

NATURE COMMUNICATIONS (2013)

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Review Chemistry, Multidisciplinary

Electroactive biofilms: Current status and future research needs

Abhijeet P. Borole et al.

ENERGY & ENVIRONMENTAL SCIENCE (2011)

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Article Engineering, Environmental

Advanced Control for Photoautotrophic Growth and CO2-Utilization Efficiency Using a Membrane Carbonation Photobioreactor (MCPBR)

Hyun Woo Kim et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2011)

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Review Plant Sciences

Improving Photosynthetic Efficiency for Greater Yield

Xin-Guang Zhu et al.

ANNUAL REVIEW OF PLANT BIOLOGY, VOL 61 (2010)

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Review Microbiology

Microbial electrosynthesis - revisiting the electrical route for microbial production

Korneel Rabaey et al.

NATURE REVIEWS MICROBIOLOGY (2010)

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Article Multidisciplinary Sciences

Future CO2 Emissions and Climate Change from Existing Energy Infrastructure

Steven J. Davis et al.

SCIENCE (2010)

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Article Engineering, Environmental

Direct Biological Conversion of Electrical Current into Methane by Electromethanogenesis

Shaoan Cheng et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2009)

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