Electro-assisted reduction of chalcopyrite using acetic acid. The feasibility to use weak and less aggressive acids

Article Chemistry, Applied

Hierarchical molybdenum disulfide nanosheet arrays stemmed from nickel-cobalt layered double hydroxide/carbon cloth for highly-efficient hydrogen evolution reaction

Yuxuan Wei et al.

Summary: The hierarchical structure of molybdenum disulfide nanosheet arrays derived from nickel-cobalt layered double hydroxide/carbon cloth, allows more MoS2 active sites to be exposed for good hydrogen evolution reaction activity.

JOURNAL OF ENERGY CHEMISTRY (2021)

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Article Chemistry, Physical

Nickel decorated MoO3 single crystal microflakes with multi-site functionality for enhanced hydrogen evolution reaction

Nitika Arya et al.

Summary: The hybrid material composed of metal and oxide interface, such as alpha-MoO3/Ni, shows remarkable performance in hydrogen evolution reaction. The strong electronic coupling at the metal-oxide interface and hydrogen spill over effect contribute to the enhanced catalytic performance. The Ni-MoO3 hybrid presents a new route for developing alternative transition metal oxide-based hybrid catalysts for hydrogen fuel production.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

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Article Chemistry, Physical

Significantly enhanced electrocatalytic activity of copper for hydrogen evolution reaction through femtosecond laser blackening

Zihao Li et al.

Summary: Black copper prepared by femtosecond laser processing shows excellent electrocatalytic activity for hydrogen evolution reaction, with a unique microstructure playing a key role in enhancing its performance as an electrode material.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

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Article Nanoscience & Nanotechnology

Dilute molybdenum atoms embedded in hierarchical nanoporous copper accelerate the hydrogen evolution reaction

Min Luo et al.

Summary: The study focuses on a self-supported Mo-modified hierarchical nanoporous Cu as an efficient electrocatalyst for hydrogen evolution, exhibiting high HER activity and excellent durability in alkaline solution. The optimized nanoporous Cu-Mo electrocatalysts demonstrate outstanding hydrogen evolution performance in alkaline conditions.

SCRIPTA MATERIALIA (2021)

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Article Electrochemistry

Analysis of the hydrogen evolution reaction at Ni micro-patterned electrodes

Tatsuki Fujimura et al.

Summary: This study investigated the behavior of bubbles generated by the hydrogen evolution reaction (HER) and their impact on HER performance using Ni micro-patterned electrodes, revealing that the micro-patterned surface texture affects bubble nucleation and growth behaviors which can suppress the decrease in HER efficiency. Insights from these results could help in fabricating highly efficient surfaces for HER catalytic electrodes.

ELECTROCHIMICA ACTA (2021)

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Article Chemistry, Applied

Nitrogen doped FeS2 nanoparticles for efficient and stable hydrogen evolution reaction

Jian Ye et al.

Summary: This study successfully synthesized nitrogen-doped FeS2 nanoparticles as electrocatalysts for the hydrogen evolution reaction. By modulating the band structure and electronic state of FeS2, the designed N-FeS2 electrocatalyst exhibits superior catalytic performance with low overpotential and excellent activity stability under alkaline conditions compared to pure FeS2. The research demonstrates the importance of regulating the electron state and band structure of an electrocatalyst for designing excellent catalysts for hydrogen evolution reaction and beyond.

JOURNAL OF ENERGY CHEMISTRY (2021)

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Article Chemistry, Physical