Results 71 to 80 of about 76,455 (292)

Ionic liquid derived electrocatalysts for electrochemical water splitting

Green Energy & Environment
Hydrogen production from electrochemical water splitting is a promising strategy to generate green energy, which requires the development of efficient and stable electrocatalysts for the hydrogen evolution reaction and the oxygen evolution reaction (HER ...
Tianhao Li, Weihua Hu
doaj   +1 more source

Iron Sulfide Materials: Catalysts for Electrochemical Hydrogen Evolution

Inorganics, 2019
The chemical challenge of economically splitting water into molecular hydrogen and oxygen requires continuous development of more efficient, less-toxic, and cheaper catalyst materials.
Dominikus Heift
doaj   +1 more source

Engineering Relative Spatial Structure of Dual Atomic Sites with Asymmetric Coordination for High‐Performance Hydrogen Evolution Activity

Advanced Functional Materials, EarlyView.
Dual‐atom catalysts featuring varying spatial configurations of metal sites (Pt1Fe1 DACs) are employed to systematically investigate the influence of spatial arrangements on the electronic structure and catalytic activity of active sites. Notably, the 3D asymmetric Pt1Fe1‐TAC dimer, featuring strong interatomic interactions, demonstrates superior ...
Yi Guan, Xiaozhang Yao, Chuang Xue, Zhongxin Song, Xiangzhong Ren, Tsun‐Kong Sham, Li‐Min Liu, Lei Zhang, Xueliang Sun   +8 more
wiley   +1 more source

Atomically Dispersed Metal‐Nitrogen‐Carbon Electrocatalysts for the Oxygen Reduction Reaction

ChemElectroChem
The quest for alternatives to Pt as an oxygen reduction electrocatalyst, possessing high activity, stability, and abundant reserves, holds great significance for H2/O2 fuel cells.
Jiajia Lu, Peng‐Jun Deng, Gaoliang Fu, Xiangyu Meng, Shouren Zhang, Baocheng Yang   +5 more
doaj   +1 more source

Core–Shell Structured NiFeSn@NiFe (Oxy)Hydroxide Nanospheres from an Electrochemical Strategy for Electrocatalytic Oxygen Evolution Reaction

Advanced Science, 2020
Efficient electrocatalysts for the oxygen evolution reaction (OER) are highly desirable because of the intrinsically sluggish kinetics of OER. Herein, core–shell structured nanospheres of NiFexSn@NiFe (oxy)hydroxide (denoted as NiFexSn‐A) are prepared as
Mingxing Chen, Shenglin Lu, Xian‐Zhu Fu, Jing‐Li Luo   +3 more
doaj   +1 more source

Enhanced Nitric Oxide Electroreduction to Ammonia via Modulating Spin‐Polarization of Fe Single‐Atom Catalysts

Advanced Functional Materials, EarlyView.
A strategic spin‐polarization suppression in Fe single‐atom catalysts is proposed to enhance electrocatalytic reduction of NO to NH3. Employing a top‐down electrospinning strategy, self‐supported FeSAC with Fe‐N3S1 coordination structure and spin‐state transition is engineered from high‐spin to low‐spin.
Jialing Song, Ziqi Wei, Lupeng Han, Zhenlin Wang, Chenghao Fan, Donglin Han, Chunwei Dong, Haiyan Duan, Xiyang Wang, Sam Fong Yau Li, Eslam Hamed, Ming Xie, Emiliano Cortés, Dengsong Zhang   +13 more
wiley   +1 more source

Scalable production of high-performance electrocatalysts for electrochemical water splitting at large current densities

eScience
Electrochemical water splitting is a pivotal technology in the large-scale production of green hydrogen for sustainable future energy provisions. Highly active, stable electrocatalysts have been extensively explored, but the majority suffer from low ...
Zichen Xu, Zhong-Shuai Wu
doaj   +1 more source

Dual‐Atom Dopants Activated Ruthenium Single‐Atom Alloy Boosting Hydrogen Evolution Electrocatalysis in Proton Exchange Membrane Water Electrolyzer

Advanced Functional Materials, EarlyView.
Ni1‐Bi1 dual‐atom dopants are achieved for activating Ru lattices without blocking noble atoms. This model exhibits an ultralow overpotential of 11.4 mV and superb stability at 10 mA cm−2 toward hydrogen evolution reaction, enabling a proton exchange membrane water electrolyzer that needs only 2.233 V to reach 3.0 A cm−2 and operates stably at 1.0 A cm−
Shuiping Luo, Zhichao Yang, Xinyi Cai, Peiling Hu, Lei Xie, Junhao Qiu, Wen Chen, Tianou He, Yong Li, Tangting Li, Yuehan Li, Hong Zhu, Fenghao Jiang, Ke Liu, Jinliang Zhu, Shao‐Qing Liu, Xian‐Zhu Fu, Jing‐Li Luo   +17 more
wiley   +1 more source

Electrochemical CO2 conversion to C1 and C2 products on defective metal electrocatalysts

Journal of CO2 Utilization
Electrocatalysts are essential in enhancing the kinetics of electrochemical CO2 reduction reactions (CO2RR). Engineering the surface characteristics and electronic structures of electrocatalysts presents a viable strategy for enhancing electrocatalytic ...
Kayode Adesina Adegoke, Potlaki Foster Tseki   +1 more
doaj   +1 more source

CoP Nanoframes as Bifunctional Electrocatalysts for Efficient Overall Water Splitting

, 2020
Transition-metal phosphides have been shown to be promising electrocatalysts in water for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER).
Lvlv Ji, Jianyin Wang, Xue Teng, T. Meyer, Zuofeng Chen   +4 more
semanticscholar   +1 more source