Improved the Electrocatalytic Hydrogen Evolution Performances of Co-MOF Derivatives Through Introducing Zinc Ions by Two Ways

Article Engineering, Environmental

Co-metal-organic framework derived CoSe2@MoSe2 core-shell structure on carbon cloth as an efficient bifunctional catalyst for overall water splitting

Swati J. Patil et al.

Summary: The study developed a bifunctional electrocatalyst with a core-shell structure, demonstrating excellent water splitting performance and stability in alkaline media.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Environmental

Implanted cobalt ions in two zinc-based frameworks: Improved electrocatalyst for hydrogen evolution reaction

Qing Hu et al.

Summary: This research improved the electrocatalytic performance of two zinc-based coordination polymers through Co2+ doping, producing excellent electrocatalysts for electrolysis of water to produce hydrogen with low starting potential, high Tafel efficiency, and excellent cycle stability.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Environmental

Combined MOF derivation and fluorination imparted efficient synergism of Fe-Co fluoride for oxygen evolution reaction

Xiaocong Gu et al.

Summary: Efficient catalytic synergism is demonstrated in high-performance catalyst fabrication by combining MOF derivatives and fluorination techniques. The FeCo fluoride hybrid catalyst shows significantly improved catalytic performance for the oxygen evolution reaction compared to traditional methods, highlighting the importance of multi-metal MOF-derived fluorides in enhancing catalytic efficiency.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Physical

Hierarchical N-doped CNTs grafted onto MOF-derived porous carbon nanomaterials for efficient oxygen reduction

Yuanyuan Guo et al.

Summary: The rational design and preparation of hierarchically porous N-doped carbon nanotubes grafted onto zinc-based coordination polymer derived carbon nanomaterials for efficient oxygen reduction reaction (ORR) catalysis is proposed in this study. The Fe-NCNT catalyst exhibits optimal ORR activity with high onset potential, half-wave potential, and diffusion-limited current density, showcasing potential for high-performance Zn-air batteries. This method demonstrates a new route for the facile construction of efficient nanocatalysts for advanced energy applications.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Chemistry, Physical

Two isostructural Ni/Co(II) MOFs based on nitrogen heterocyclic ligands and their derived carbon materials for HER performance

Jin-Liang Liu et al.

Summary: In this study, two isostructural Ni/Co(II) MOFs were constructed based on nitrogen heterocyclic ligands, resulting in the successful synthesis of Ni-MOF/NC-T and Co-MOF/NC-T catalysts. Ni-MOF/NC-800 exhibited good performance for the hydrogen evolution reaction, with an overpotential of 369 mV at 10 mA.cm(-2) and a Tafel slope of 127.1 mV dec(-1), while the performance of Co-MOF/NC-700 was slightly inferior to that of Ni-MOF/NC-800.

JOURNAL OF MOLECULAR STRUCTURE (2022)

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Article Nanoscience & Nanotechnology

Hierarchical FeO(OH)-CoCeV (Oxy)hydroxide as a Water Cleavage Promoter

Ching Thian Moi et al.

Summary: This study successfully fabricated a bifunctional electrocatalyst with high operational stability for efficient generation of hydrogen and oxygen. By designing the morphology and optimizing the composition, it achieved overpotentials of 53 mV for HER and 227 mV for OER under 10 mA/cm(2) current density in 1 M KOH.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Physical

Selectively Se-doped Co3O4@CeO2 nanoparticle-dotted nanoneedle arrays for high-efficiency overall water splitting

Xiaoqiang Du et al.

Summary: The Se-doped Co3O4@CeO2 nanoparticle-dotted nanoneedle arrays (SCCN-1) exhibit excellent performance in both hydrogen evolution reaction and oxygen evolution reaction, showing outstanding stability in overall water splitting process.

APPLIED SURFACE SCIENCE (2021)

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Article Engineering, Environmental

A hexagonal 2D ZIF-Co-L variant: Unusual role of graphene oxide on the water-regulated morphology of ZIF hybrid and their derived Co@N-doped carbon electrocatalyst for hydrogen evolution reaction

Sampath Gayathri et al.

Summary: Unique metal-organic framework (MOF) precursors are crucial for efficient metal-supported carbon-based electrocatalysts for the hydrogen evolution reaction (HER). In this study, graphene oxide (GO) was found to regulate water accessibility in the reaction medium, leading to changes in the morphology of ZIF-Co-L and ultimately affecting the electrocatalytic performance.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Chemistry, Physical

Thermal management and power saving operations for improved energy efficiency within a renewable hydrogen energy system utilizing metal hydride hydrogen storage

Naruki Endo et al.

Summary: This study demonstrates the improvement in energy efficiency of metal hydride tanks in a bench-scale hydrogen system through power conservation and thermal management. The modified operation significantly reduces power consumption and thermal requirements of the MHTs, ultimately increasing the overall energy efficiency.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

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Review Chemistry, Multidisciplinary

MOFs-Derived Carbon-Based Metal Catalysts for Energy-Related Electrocatalysis

Tongzhou Wang et al.

Summary: Electrochemical devices show great potential for sustainable development, but the lack of efficient electrocatalysts hinders their practical applications. Metal-organic frameworks (MOFs) derived catalysts with tunable structures and high activity have been intensively studied. These catalysts have shown promising applications in energy-related electrocatalysis such as hydrogen evolution, oxygen evolution, oxygen reduction, carbon dioxide reduction, and nitrogen reduction reactions.

SMALL (2021)

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Article Chemistry, Physical

Controlled synthesis of Co9S8@NiCo2O4 nanorod arrays as binder-free electrodes for water splitting with impressive performance

Xiaoqiang Du et al.

Summary: The study presents a new method for producing hydrogen and oxygen through electrochemical water splitting, achieving lower cell voltage by controlling the deposition cycles of different materials. Additionally, density functional theory calculations were used to reveal the reaction mechanism of the water oxidation process.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

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Article Chemistry, Multidisciplinary

Facile Synthesis of Two-Dimensional Iron/Cobalt Metal-Organic Framework for Efficient Oxygen Evolution Electrocatalysis

Kai Ge et al.

Summary: A facile synthesis method was reported for the preparation of two-dimensional bimetallic metal-organic frameworks with excellent electrocatalytic activity for the oxygen evolution reaction. Experimental and theoretical studies revealed that the morphology and co-doping of Fe/Co played crucial roles in enhancing the electrocatalytic performance of the material. The simple and efficient synthetic approach is promising for the mass production and future commercialization of functional two-dimensional MOFs with low cost and high yield.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Nanoscience & Nanotechnology

Common Strategy: Mounting the Rod-like Ni-Based MOF on Hydrangea-Shaped Nickel Hydroxide for Superior Electrocatalytic Methanol Oxidation Reaction

Shan Liu et al.

Summary: A novel strategy was developed for efficient methanol oxidation reaction (MOR) through the design of hierarchically structured Ni-MOF on Ni(OH)(2) heterocomposite, which exhibited improved catalytic performance with more active sites, easy ion diffusion path, and enhanced conductivity. The results demonstrated the potential universality of this strategy in synthesizing new composite materials with specific hierarchical structures for a more efficient electrocatalytic system.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Environmental Sciences

ZIF-67-derived N-enriched porous carbon doped with Co, Fe and CoS for electrocatalytic hydrogen evolution reaction

Shichao Wu et al.

Summary: Hybrid composites based on transition metal-doped materials show excellent performance and stability as electrocatalysts for the hydrogen evolution reaction (HER). The fabricated CoFeS/NC demonstrated outstanding HER performance and long-term stability, making it a promising material for industrial-scale H-2 production. The simple preparation method used in this study could potentially be applied to other material groups.

ENVIRONMENTAL RESEARCH (2021)

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Article Chemistry, Physical

Fe-Doped CoP holey nanosheets as bifunctional electrocatalysts for efficient hydrogen and oxygen evolution reactions

Shengjie Xu et al.

Summary: In this study, mesh-like Fe-doped CoP holey nanosheets (Fe-CoP HNSs) were synthesized through a phosphorization treatment, showcasing superior catalytic activity towards hydrogen and oxygen evolution reactions. The Fe-CoP HNSs catalyst features abundant active sites and efficient mass transfer kinetics, making it a promising candidate for water splitting electrocatalysis. The assembled Fe-CoP HNSs electrolyzer requires a low cell voltage to deliver high current densities, outperforming many reported transition metal phosphides electrocatalysts.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

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Article Chemistry, Inorganic & Nuclear

Hydrogen evolution reaction of one 2D cobalt coordination polymer with coordinated sulfate ion

Qi-Ming Zheng et al.

Summary: This study utilized sulfuric acid doping to enhance the electrocatalytic hydrogen evolution performance of coordination polymers, resulting in the synthesis of a cobalt-based coordination polymer with excellent performance and low onset potential, small Tafel slope, and overpotential.

JOURNAL OF SOLID STATE CHEMISTRY (2021)

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Review Green & Sustainable Science & Technology

Hydrogen energy systems: A critical review of technologies, applications, trends and challenges

Meiling Yue et al.

Summary: This paper reviews the current progress and outlook of hydrogen technologies and their application in power systems, highlighting the importance of hydrogen in clean energy and pointing out the technical and economic challenges that need to be addressed.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2021)

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Review Nanoscience & Nanotechnology

Recent Advances on MOF Derivatives for Non-Noble Metal Oxygen Electrocatalysts in Zinc-Air Batteries

Yuting Zhu et al.

Summary: MOF-derived non-noble metal-oxygen electrocatalysts play a crucial role in ZABs, and their performance is influenced by material structure. Research in this field mainly focuses on oxygen reduction and oxygen evolution reactions, with evolving catalyst design strategies aiming to enhance performance and address challenges.

NANO-MICRO LETTERS (2021)

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Review Nanoscience & Nanotechnology

Design Engineering, Synthesis Protocols, and Energy Applications of MOF-Derived Electrocatalysts

Amr Radwan et al.

Summary: The significant progress of MOFs-derived electrocatalysts in ORR, OER, and HER applications is mainly attributed to their high-porosity structure, large surface area, and abundant active centers.

NANO-MICRO LETTERS (2021)

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Article Materials Science, Multidisciplinary

Transformation of microwave synthesized highly uniform FeMo-MIL-88B nanorod to oxynitride derivate for overall water splitting reaction

Yejung Choi et al.

Summary: By employing strategies such as MOF-templated morphology control, secondary metal incorporation, and nitrogen doping, a highly efficient 3D rod-shaped porous iron-molybdenum oxynitride electrode was successfully synthesized. This material exhibits outstanding electrocatalytic performances in hydrogen evolution reaction, oxygen evolution reaction, and overall water splitting, surpassing commercial noble metal pairs in high current densities and showing potential for long-term stability.

APPLIED MATERIALS TODAY (2021)

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Article Energy & Fuels

A study on hydrogen, the clean energy of the future: Hydrogen storage methods

Cevahir Tarhan et al.

Summary: As the demand for energy continues to rise, the search for new energy sources to replace traditional fossil fuels is ongoing. Daily energy needs can be met through the use of renewable energy sources. Globally, there is a gradual reduction in the use of fossil fuels in favor of cleaner energy sources such as hydrogen energy.

JOURNAL OF ENERGY STORAGE (2021)

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Article Chemistry, Physical

Bimetallic MOF-Templated Fabrication of Porous Zn, N Co-doped Mo2C for an Efficient Hydrogen Evolution Reaction

Ping Li et al.

Summary: The study prepared porous Zn, N-co-doped Mo2C catalyst with a large specific surface area using a two-step approach, derived from Zn, Mo bimetallic MOFs. The catalyst showed enhanced hydrogen evolution reaction activity and good stability, highlighting the potential of MOF templates in preparing efficient catalytic materials with large specific surface area.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Chemistry, Multidisciplinary