Results 41 to 50 of about 4,470,308 (213)

Mechanisms of hydrogen evolution on chromium [PDF]

Mining and Metallurgy Engineering Bor, 2015
In this work, the mechanisms of hydrogen evolution on the metal chromium in a solution of 0.1 M Na2SO4 + H2SO4, pH 1 to pH 7 were analysed. In the pH < 3 range, hydrogen is evolved according to three different mechanisms, depending on the experimental ...
Jegdić Bore, Bobić Biljana, Jegdić Aleksandar, Stevanović Maja   +3 more
doaj   +1 more source

Platinum single-atom catalyst coupled with transition metal/metal oxide heterostructure for accelerating alkaline hydrogen evolution reaction

Nature Communications, 2021
Single-atom catalysts provide an effective approach to reduce the amount of precious metals meanwhile maintain their catalytic activity. However, the sluggish activity of the catalysts for alkaline water dissociation has hampered advances in highly ...
KaiLing Zhou, Zelin Wang, C. Han, X. Ke, Changhao Wang, Yuhong Jin, Qianqian Zhang, Jingbing Liu, Hao Wang, Hui Yan   +9 more
semanticscholar   +1 more source

Balancing hydrogen adsorption/desorption by orbital modulation for efficient hydrogen evolution catalysis

Nature Communications, 2019
Hydrogen adsorption/desorption behavior plays a key role in hydrogen evolution reaction catalysis. Here, the authors demonstrate the rational balancing of hydrogen adsorption/desorption by orbital modulation for significantly enhanced hydrogen evolution ...
Feng Li, Gao-Feng Han, Hyuk-Jun Noh, Jong-Pil Jeon, Ishfaq Ahmad, Shanshan Chen, Changduk Yang, Yunfei Bu, Zhengping Fu, Yalin Lu, Jong-Beom Baek   +10 more
doaj   +1 more source

Preparation of Three-dimensional Mesoporous Carbon Electrode Materials as Electrocatalysts for Hydrogen Evolution Reaction

International Journal of Electrochemical Science, 2021
In order to improve the electrochemical performance of hydrogen evolution electrode, this paper presents a new method of the preparation of the negative electrode materials with high activity of hydrogen evolution.
Zhengping Zhao, Jiahao Wang, Xuan Yu, Haojie Li, Leiting Han, Zhiquan Wang, Dan Qiao, Mingqiang Zhong, Xiufang Chen   +8 more
doaj   +1 more source

Rational design of isostructural 2D porphyrin-based covalent organic frameworks for tunable photocatalytic hydrogen evolution

Nature Communications, 2021
Covalent organic frameworks have recently gained increasing attention in photocatalytic hydrogen generation from water. However, their structure-property-activity relationship, which should be beneficial for the structural design, is still far-away ...
Rufan Chen, Yang Wang, Yuan Ma, Arindam Mal, Xiao-Ya Gao, Lei Gao, L. Qiao, Xu‐Bing Li, Lizhu Wu, Cheng Wang   +9 more
semanticscholar   +1 more source

Additives of Suppressing Hydrogen Evolution at Carbon- Containing Negative Plates of Valve-Regulated Lead-Acid Batteries

International Journal of Electrochemical Science, 2016
The effects of several rare earth oxides and fluorine-containing compounds as additives on the hydrogen evolution at the negative plates containing commercial and purified carbon materials in valve-regulated lead-acid (VRLA) batteries have been studied ...
Jingcheng Hu, Chengbin Wu, Xinle Wang, Yonglang Guo   +3 more
doaj   +1 more source

Synthesis of NiMoO₄/NiMo@NiS Nanorods for Efficient Hydrogen Evolution Reactions in Electrocatalysts

Nanomaterials, 2023
As traditional energy structures transition to new sources, hydrogen is receiving significant research attention owing to its potential as a clean energy source.
Sen Hu, Cuili Xiang, Yongjin Zou, Fen Xu, Lixian Sun   +4 more
doaj   +1 more source

Electrocatalysts for the hydrogen evolution reaction in alkaline and neutral media. A comparative review

, 2021
With interest in renewable energy sources and in the decarbonisation of industry rapidly accelerating, alkaline water electrolysis can now be regarded as a key technology enabling efficient energy conversion and storage.
Martin Ďurovič, J. Hnát, K. Bouzek
semanticscholar   +1 more source

Strategies and Perspectives to Catch the Missing Pieces in Energy‐Efficient Hydrogen Evolution Reaction in Alkaline Media

Angewandte Chemie, 2021
Transition metal hydroxides (M‐OH) and their heterostructures (X|M‐OH, where X can be a metal, metal oxide, metal chalcogenide, metal phosphide, etc.) have recently emerged as highly active electrocatalysts for hydrogen evolution reaction (HER) of ...
S. Anantharaj, S. Noda, V. Jothi, S. Yi, M. Driess, P. Menezes   +5 more
semanticscholar   +1 more source

Interfacial water engineering boosts neutral water reduction

Nature Communications, 2022
Understanding the slow kinetics of hydrogen evolution reaction in neutral media is of fundamental importance for the rational design of high-performance electrocatalysts for hydrogen energy.
Kaian Sun, Xueyan Wu, Zewen Zhuang, Leyu Liu, Jinjie Fang, Lingyou Zeng, Junguo Ma, Shoujie Liu, Jiazhan Li, Ruoyun Dai, Xin Tan, Ke Yu, Di Liu, Weng-Chon Cheong, Aijian Huang, Yunqi Liu, Yuan Pan, Hai Xiao, Chen Chen   +18 more
doaj   +1 more source