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Article
Chemistry, Analytical
Jiahao Xu et al.
Summary: Researchers have successfully encapsulated N-doping porous carbon on silica SBA-15 (SBA@PNC) for lithium-ion batteries, improving the low capacity and poor rate capability issues faced by silica-based anodes. The SBA@PNC composite shows improved electrochemical performance, with rapid lithium ion diffusion, abundant sites of electrochemical activity due to nitrogen doping, and good electrical transport from porous carbon. This study provides insights into the transfer and diffusion kinetics of Li+ ions in N-doping SiO2-C composite and offers a direction for future improvement of silica-based anodes.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2023)
Article
Biochemical Research Methods
Liang Peng et al.
Summary: Functional mesoporous carbonaceous nanomaterials with large pores have wide accessibility and can transport chemicals efficiently in various fields including biomedical applications, gas separation, catalysis, sensing, and energy storage and conversion. The assembly of monomicelles, composed of block copolymers/surfactants and precursor species, has been used to control the nanostructure and mesoporosity of carbonaceous nanomaterials. This method allows for a high degree of control over the final product's structure, making it possible to shape the nanomaterial into unique nanostructures that are otherwise difficult to synthesize using conventional templating methods.
Review
Chemistry, Multidisciplinary
Zheng Zhang et al.
Summary: Electrocatalytic CO2 reduction reaction (CO2RR) in membrane electrode assembly (MEA) systems is a promising technology due to the direct transport of gaseous CO2 to the cathode catalyst layer and the absence of liquid electrolyte between the cathode and the anode. Recent progress has shown the way to achieve industrially relevant performance. This review focuses on the principles of CO2RR in MEA, particularly the gas diffusion electrodes and ion exchange membranes, as well as the anode processes and voltage distribution. The generation of different reduced products and corresponding catalysts is summarized, and the challenges and opportunities for future research are highlighted.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Materials Science, Multidisciplinary
Junke Ou et al.
Summary: Porous carbon derived from obsolete eggshell was fabricated and used in lithium ion batteries. The carbon material exhibited superior rate performance and reversible capability due to its distinctive hierarchical microstructure, high N doping content, and abundance of micropores.
DIAMOND AND RELATED MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Xiao Yong et al.
Summary: Capacitive deionization (CDI) is a promising desalination technology. The fabrication of porous carbon (MAWC-700) with high specific surface area and hydrophilicity using walnut shell as precursor, KOH as activation agent, and MgSO4 as modification, significantly improves the CDI performances. The MAWC-700 exhibits a capacitance of 214.3 F g- 1 at 5 mV s- 1, and the corresponding CDI achieves a desalination capacity of 27.79 mg g- 1 and salt adsorption rate of 5.56 mg g- 1 min-1 at 1.2 V. Therefore, the synthesis of biomass-based porous carbon activated with KOH along with MgSO4 is an effective approach to enhance desalination performances in CDI applications.
DIAMOND AND RELATED MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Yali Zhang et al.
Summary: In this work, a simple method was developed to prepare porous carbon material with unique 3D interconnections derived from potassium stearate and potassium bicarbonate activation. The prepared carbon electrode exhibited a high specific capacitance of 261.3 F g-1 at 0.5 A g-1 and excellent cycling stability with capacitance retention of about 99.7% after 10,000 cycles. The assembled supercapacitor showed a high energy density of 13.8 Wh kg-1 with good cycling stability. This well-performing carbon electrode material may contribute to the practical application of supercapacitors and other energy-storage devices.
DIAMOND AND RELATED MATERIALS
(2023)
Article
Energy & Fuels
Ao Wang et al.
Summary: Reducing mercury emissions from coal-fired industries is crucial for protecting public environmental safety and human health. Developing affordable and efficient sorbents for mercury adsorption in coal-fired flue gas has practical significance for commercial applications. In this study, a layered porous carbon material derived from food residues was found to have excellent Hg0 removal performance in flue gas, with a high adsorption capacity of up to 571 mg/g.
Article
Energy & Fuels
Qiang Zhou et al.
Summary: In this study, a sulfur incorporated porous carbon material was synthesized and its gas phase elemental mercury capture and regeneration capability were investigated. The results showed that the material exhibited excellent mercury capture capability under different flue gas components and had good regeneration ability.
Article
Engineering, Electrical & Electronic
Van Minh Hai Ho et al.
Summary: A novel Ag-incorporated 3D flower-like porous Fe3O4 magnetic microstructure (Fe3O4/Ag-FM) was successfully synthesized via a quasi-reverse emulsion soft template approach and reductive deposition of Ag nanoparticles. The Fe3O4/Ag-FM material exhibited excellent electrochemical sensing ability for 4-nitrophenol (4-NP) and showed high catalytic reduction activity with the assistance of NaBH4. The synergistic effect between Ag nanoparticles and flower-like Fe3O4 magnetic microstructure enhanced the overall catalytic performance.
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
(2023)
Review
Nanoscience & Nanotechnology
X. Cheng et al.
Summary: In order to meet the energy storage needs of portable electronic devices, electric vehicles, renewable-coupled smart grids, and more, it is important to develop lithium-ion batteries (LIBs) with increased energy densities. Porous carbon spheres, with their high chemical stability, electrical conductivity, specific surface area, and porous structure, show promise as anode materials for LIBs. In this review, various preparation methods for porous carbon spheres are introduced, and strategies for improving the performance of LIBs anode materials are described.
MATERIALS TODAY NANO
(2023)
Article
Electrochemistry
Yue-rong Zhang et al.
Summary: In this study, natural macromolecular substances in biomass including cellulose, pectin, and sulfonated lignin were used as raw materials to prepare porous carbon through sintering. The microstructure and element distribution of the biomass porous carbon were analyzed using XRD and BET. The electrochemical properties of the porous carbon materials and graphene were tested and compared. The results showed that cellulose-based porous carbon exhibited the highest specific capacitance and good electrochemical performance. And it was found that cellulose undergoes chemical bond breakage and forms new small molecular structures, contributing to the accumulation of biochar materials.
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
(2023)
Article
Chemistry, Physical
Xiaohui Wang et al.
Summary: Porous carbon materials were successfully prepared from Cistanches herba residues through pre-carbonization and KOH activation method. The as-prepared carbon possessed abundant micropores, high specific surface area, and good affinity for electrolyte. Supercapacitors based on the carbon materials exhibited good specific capacitance and energy density, as well as excellent cycling stability. This research provides a new avenue for the high-value utilization of traditional Chinese medicine residues.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Biochemistry & Molecular Biology
Chaolong Wang et al.
Summary: In this study, carbon xerogels co-doped with nitrogen (N) and phosphorus (P) or sulfur (S) were synthesized and used as catalysts for the electrocatalytic reduction of p-nitrophenol (p-NP). Nitrogen-doped carbon xerogels (NDCX) were first prepared through the pyrolysis of organic gels, and P or S atoms were then introduced to the NDCX by vapor deposition. Various measurements confirmed the successful doping of N atoms to the carbon xerogels, and the co-doping of P or S atoms affected the existing status of N atoms. Cyclic voltammetry scanning revealed that the N and P co-doped material, P-NDCX-1.0, exhibited the best catalytic performance, with an overpotential of -0.569 V (vs. Ag/AgCl) and a peak slope of 695.90 mu A/V. The material also demonstrated good stability, with only a 14 mV shift in the reduction peak overpotential after 100 cycles.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Chemistry, Physical
Kaipannan Subramani et al.
Summary: Porous carbon materials are considered as a proficient impetus for enhancing supercapacitor performance due to their high surface area and meso/microporous traits. Dual heteroatom doping (such as nitrogen and boron) can further improve the activity of the material, resulting in excellent rate capability and capacitance retention.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Xiaoran Zhang et al.
Summary: In this study, single cobalt atom catalysts embedded in nitrogen-doped carbon materials were successfully synthesized by precursor modulation. The researchers found that the catalyst with graphitic nitrogen coordination exhibited superior activity and stability in oxygen reduction and evolution reactions, due to the electron donation effect of graphitic nitrogen on the Co-N-4 active sites.
Article
Chemistry, Physical
Youyi Lei et al.
Summary: Confining selenium in porous carbon hosts is an effective strategy to improve the performance of Li-Se batteries. This study demonstrated that selenium exists in the form of Sex chains in hierarchical porous carbon, and the discharge process generates polyselenides represented by Li2Se2.
Review
Materials Science, Multidisciplinary
V. Pavlenko et al.
Summary: Carbons with hierarchical pores obtained via template-assisted methods offer great control over pore structure and geometry, with uniform distribution and better connectivity. The easy functionalization of these templated porous carbons makes them excellent materials for various applications such as catalysis, energy storage and conversion, sensors, and environmental applications.
MATERIALS SCIENCE & ENGINEERING R-REPORTS
(2022)
Article
Chemistry, Physical
Haitao Yu et al.
Summary: In this study, a method for synthesizing Pt NPs supported on 3D-NHPC (1.6 nm) through hyper-crosslinking mediated self-assembly and subsequent in situ pyrolysis reduction is reported. The prepared Pt@3D-NHPC (1.6 nm) catalysts possess a high surface area and hierarchically interconnected porous framework, providing more active sites and short transport paths for substrates. After H2O2 post-treatment, the superhydrophilicity of the Pt@3D-NHPC-H2O2 (1.6 nm) catalysts significantly increases, resulting in enhanced catalytic activity for cinnamaldehyde hydrogenation in aqueous solutions. Moreover, the nitrogen-doping and confinement of the porous framework contribute to the excellent stability and durability of the prepared Pt@3D-NHPC-H2O2 (1.6 nm) catalysts.
MOLECULAR CATALYSIS
(2022)
Article
Chemistry, Multidisciplinary
Cheng Pan et al.
Summary: A simple and effective method for preparing a non-metallic ion-doped nickel-supported catalyst is reported. The method involves using economical and recyclable fibre raw materials as carriers, and preparing the catalysts through adsorption and reduction at room temperature. The catalysts exhibit enhanced catalytic activity due to the dispersed and anchored nanoparticles on a rational support.
ARABIAN JOURNAL OF CHEMISTRY
(2022)
Article
Chemistry, Physical
Xiangyu Lu et al.
Summary: A zinc-assisted MgO template strategy is used to construct porous carbon-supported Fe-N4 catalysts, which exhibit high ORR performance and stability. The Fe-N4 sites lower the energy barrier for ORR, and the porous structure accelerates the diffusion of O2, making Fe-N-C a promising catalyst for Zn-air batteries.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Physical
Xiang Fang et al.
Summary: Biomass-derived porous carbon is a low-cost and environmentally friendly material that has gained attention in various fields. However, its high permittivity limits its impedance matching. In this study, porous carbon materials with different microstructures were prepared through a simple chemical activation process, and a double-layer absorber was designed based on these materials. The absorber exhibited improved impedance matching and absorption performance.
Article
Electrochemistry
Guang Ma et al.
Summary: In this study, a template method was proposed to prepare Sn/SnO@NC composites with high stability and rate capability. Nitrogen doping was introduced to protect the Sn/SnO particles and improve the electrical conductivity, leading to improved cycle performance of the lithium-ion batteries.
ELECTROCHIMICA ACTA
(2022)
Article
Energy & Fuels
Fei Mo et al.
Summary: In this study, heteroatom-doped hierarchical porous carbon material was successfully prepared using a simple method. The obtained material has a three-dimensional interconnected porous structure, large specific surface area, and abundant nitrogen and oxygen functional groups. The optimized electrode exhibits high specific capacitance, excellent rate characteristics, and outstanding cycling performance. Furthermore, the assembled supercapacitor shows high energy density. The results demonstrate the promising application of the obtained hierarchical porous carbon material in supercapacitors.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Engineering, Environmental
Bolun Zhang et al.
Summary: In this study, fungal hyphae/carbonized quinoa starch porous carbon materials were successfully prepared using a biological self-assembly method. The resulting materials showed higher specific surface areas and pore volumes compared to quinoa starch-based porous carbon. Adsorption experiments demonstrated that the fungal hyphae/carbonized quinoa starch porous carbon materials exhibited higher adsorption capacities for model pollutants compared to the quinoa starch-based porous carbon. The removal rates of the pollutants remained above 50% even after multiple cycles. This study highlights the advanced nature of the biological self-assembly method and provides a new direction for the research and development of other microorganism composites.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Engineering, Environmental
Guangwen Xu et al.
Summary: This study presents a strategy for synthesizing N/O co-doped hierarchical porous carbons using a recyclable MgO-templating method. The synthesized porous carbons exhibit high PNP adsorption capacity, good stability and reusability, and excellent tolerance under various ionic backgrounds. The study also elucidates the adsorption mechanism of the material.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Chemistry, Physical
Ping Xiao et al.
Summary: An in-situ template formation method using La and Fe nitrates as template precursors and citric acid as carbon precursor was reported for the synthesis of hierarchically porous carbon (PC). The carbon material contains mainly surface acidic carboxylic groups and shows catalytic activity for the electroreduction of 4-nitrophenol due to its larger surface area and rich surface functional groups.
Article
Chemistry, Physical
Jiazi Hou et al.
Summary: In this study, porous hard carbon materials were successfully prepared from rice husks using SiO2 as a template, exhibiting excellent micro-morphology and electrochemical performance. The charge specific capacity can still reach 679.9 mAh g(-1) after 100 cycles at 0.2C, attributed to the edges, defects and large specific surface area of the porous structure.
Article
Chemistry, Analytical
Renu et al.
Summary: NiFe2O4-rGO(X) nanocomposites were synthesized and employed for sensitive detection of perilous p-Nitrophenol (PNP) using Square Wave Anodic Stripping Voltammetry (SWASV). Characterization techniques confirmed the excellent electrocatalytic properties of NiFe2O4-rGO(10) composites for PNP analysis.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Analytical
Xiangyang Zhou et al.
Summary: By recycling antibiotic bacteria residues into nitrogen-doped graphitic carbon, this study achieved a material with high electronic conductivity and well-developed porous structure. Compared to traditional graphitic carbon derived at 2800°C, the N-GC exhibited better graphitization degree, electronic conductivity, and nitrogen content.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Article
Nanoscience & Nanotechnology
Xiaodong Chen et al.
Summary: In this study, boron and nitrogen codoped hollow mesoporous carbon was synthesized and demonstrated to be a high-efficiency carbon-based catalyst for the reduction of 4-nitrophenol. Theoretical calculations confirmed the importance of B and N codoping for adsorption and activation of 4-nitrophenol. This work may provide a new approach for constructing metal-free carbon catalysts with heteroatom doping and hierarchical porosity.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Engineering, Chemical
Yuanyuan Yang et al.
Summary: Hierarchical porous carbons were successfully prepared using a modified hard-template method, showing potential for improving the performance of Li-S batteries.
ADVANCED POWDER TECHNOLOGY
(2021)
Review
Materials Science, Multidisciplinary
Wei Zhang et al.
Summary: Porous carbons are widely used in energy storage and conversion due to their excellent electrical conductivity, high specific surface area, and superb electrochemical stability. The template method is an advanced approach to prepare porous carbons with well-defined pore structures and suitable pore size distributions. Different types of templates, including hard, soft, and self-templates, are summarized for the preparation of porous carbons for supercapacitor electrodes, along with suggestions for future research in tailoring the pore texture.
NEW CARBON MATERIALS
(2021)
Article
Chemistry, Physical
Awu Zhou et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2020)
Article
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APPLIED SURFACE SCIENCE
(2020)
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(2020)
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ULTRASONICS SONOCHEMISTRY
(2020)
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Jinsong Shi et al.
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(2020)
Article
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Yongzhe Ruan et al.
MICROPOROUS AND MESOPOROUS MATERIALS
(2020)
Article
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Toshinari Koketsu et al.
ENERGY STORAGE MATERIALS
(2020)
Article
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Yu Liu et al.
ENERGY STORAGE MATERIALS
(2020)
Article
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Weifang Chen et al.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2019)
Article
Chemistry, Physical
Zhihang Yuan et al.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2018)
Article
Electrochemistry
Mabrook S. Amer et al.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2018)
Article
Chemistry, Analytical
Bose Dinesh et al.
SENSORS AND ACTUATORS B-CHEMICAL
(2017)
Review
Chemistry, Physical
M. Enterria et al.
Article
Electrochemistry
Xiang Deng et al.
Article
Electrochemistry
Qiaofang Shi et al.
ELECTROCHIMICA ACTA
(2013)
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Chang-Min Yoon et al.
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Jose Luis Figueiredo et al.
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MATERIALS CHEMISTRY AND PHYSICS
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