Results 1 to 10 of about 76,356 (193)

Ru/Ir‐Based Electrocatalysts for Oxygen Evolution Reaction in Acidic Conditions: From Mechanisms, Optimizations to Challenges

Advanced Science
The generation of green hydrogen by water splitting is identified as a key strategic energy technology, and proton exchange membrane water electrolysis (PEMWE) is one of the desirable technologies for converting renewable energy sources into hydrogen ...
Rong Qin, Guanzhen Chen, Xueting Feng, Jiena Weng, Yunhu Han   +4 more
doaj   +2 more sources

Defect engineering in transition‐metal (Fe, Co, and Ni)‐based electrocatalysts for water splitting

Carbon Energy
Electrocatalytic water splitting seems to be an efficient strategy to deal with increasingly serious environmental problems and energy crises but still suffers from the lack of stable and efficient electrocatalysts.
Kaili Wu, Chaojie Lyu, Jiarun Cheng, Weifan Ding, Jiwen Wu, Qian Wang, Woon‐Ming Lau, Jinlong Zheng   +7 more
doaj   +2 more sources

Relation between half‐cell and fuel cell activity and stability of FeNC catalysts for the oxygen reduction reaction

SusMat, 2022
FeNC catalysts are promising substitutes of platinum‐type catalysts for the oxygen reduction reaction (ORR). While previous research disclosed that high pyrolysis temperatures are required to achieve good stability, it was identified that a trade‐off ...
Janik Scharf, Markus Kübler, Vladislav Gridin, William David Zacharias Wallace, Lingmei Ni, Stephen Daniel Paul, Ulrike Ingrid Kramm   +6 more
doaj   +1 more source

Active Site Identification in FeNC Catalysts and Their Assignment to the Oxygen Reduction Reaction Pathway by In Situ 57Fe Mössbauer Spectroscopy

Advanced Energy & Sustainability Research, 2021
FeNC catalysts are the most promising substitutes for Pt‐based catalysts for the oxygen reduction reaction in proton exchange fuel cells. However, it remains unclear which FeN4 moieties contribute to the reaction mechanism and in which way. The origin of
Lingmei Ni, Charlotte Gallenkamp, Stephen Paul, Markus Kübler, Pascal Theis, Sonia Chabbra, Kathrin Hofmann, Eckhard Bill, Alexander Schnegg, Barbara Albert, Vera Krewald, Ulrike I. Kramm   +11 more
doaj   +1 more source

A Review of One‐Dimensional Nanomaterials as Electrode Materials for Oxygen Reduction Reaction Electrocatalysis

ChemElectroChem, 2022
In fuel cells, the generally low oxygen reduction reactions (ORR) rate at the cathode is a major factor limiting the overall performance of fuel cell, so the development of high‐performance, stable and inexpensive ORR electrocatalysts is a major ...
Qiang Zeng, Dr. Nanping Deng, Dr. Shuaishuai Wang, Shengbin Luo, Gang Wang, Hongjing Gao, Yanan Li, Hao Wang, Prof. Dr. Bowen Cheng, Prof. Dr. Weimin Kang   +9 more
doaj   +1 more source

Design and Synthesis of Hollow Nanostructures for Electrochemical Water Splitting

Advanced Science, 2022
Electrocatalytic water splitting using renewable energy is widely considered as a clean and sustainable way to produce hydrogen as an ideal energy fuel for the future.
Min Yang, Cai Hong Zhang, Nian Wu Li, Deyan Luan, Le Yu, Xiong Wen (David) Lou   +5 more
doaj   +1 more source

A comprehensive review on the electrochemical parameters and recent material development of electrochemical water splitting electrocatalysts

RSC Advances, 2023
Electrochemical splitting of water is an appealing solution for energy storage and conversion to overcome the reliance on depleting fossil fuel reserves and prevent severe deterioration of the global climate. Though there are several fuel cells, hydrogen
A. V. Raveendran, M. Chandran, Ragupathy Dhanusuraman   +2 more
semanticscholar   +1 more source

Introduction of Surface Modifiers on the Pt-Based Electrocatalysts to Promote the Oxygen Reduction Reaction Process

Nanomaterials, 2023
The design of Pt-based electrocatalysts with high efficiency towards acid oxygen reduction reactions is the priority to promote the development and application of proton exchange membrane fuel cells.
Haibin Wang, Yi Wang, Chunlei Li, Qiuping Zhao, Yuanyuan Cong   +4 more
doaj   +1 more source

Fundamental Understanding of Structural Reconstruction Behaviors in Oxygen Evolution Reaction Electrocatalysts

Advanced Energy Materials, 2023
Transition metal‐based oxyhydroxides (MOOH) derived from the irreversible structural reconstruction of precatalysts are often acknowledged as the real catalytic species for the oxygen evolution reaction (OER).
Haoyin Zhong, Qi Zhang, Junchen Yu, Xin Zhang, Chaojia Wu, Yifan Ma, Hang An, Hao Wang, J. Zhang, Xiaopeng Wang, J. Xue   +10 more
semanticscholar   +1 more source

Recent progress in noble-metal-free electrocatalysts for alkaline oxygen evolution reaction

Frontiers in Chemistry, 2022
The practical application of splitting water to generate hydrogen is to a large extent hindered by an oxygen evolution reaction (OER) process. Electrocatalysts with low-cost, high activity, and durability are essential for the low kinetic threshold of ...
Deming Tan, Hao Xiong, Tao Zhang, Xuelin Fan, Junjie Wang, Junjie Wang, Fei Xu   +6 more
doaj   +1 more source