Results 61 to 70 of about 11,300,632 (342)

Ruthenium atomically dispersed in carbon outperforms platinum toward hydrogen evolution in alkaline media. [PDF]

, 2019
Hydrogen evolution reaction is an important process in electrochemical energy technologies. Herein, ruthenium and nitrogen codoped carbon nanowires are prepared as effective hydrogen evolution catalysts.
Chen, Shaowei, Finfrock, Y Zou, Gao, Peng, Guo, Lin, Li, Ning, Lu, Bingzhang, Lu, Jia En, Morris, David, Peng, Yi, Ping, Yuan, Smart, Tyler J, Wang, Nan, Wu, Feng, Zhang, Peng   +13 more
core   +3 more sources

Biomass Native Structure Into Functional Carbon‐Based Catalysts for Fenton‐Like Reactions

Advanced Functional Materials, EarlyView.
This study indicates that eight biomasses with 2D flaky and 1D acicular structures influence surface O types, morphology, defects, N doping, sp2 C, and Co nanoparticles loading in three series of carbon, N‐doped carbon, and cobalt/graphitic carbon. This work identifies how these structural factors impact catalytic pathways, enhancing selective electron
Wenjie Tian, Jingkai Lin, Zhihao Tian, Selusiwe Ncube, Huayang Zhang, Emiliano Cortés, Hongqi Sun, Shaobin Wang   +7 more
wiley   +1 more source

Size-Dependent Electrocatalytic Activity of Gold Nanoparticles on HOPG and Highly Boron-Doped Diamond Surfaces

Molecules, 2011
Gold nanoparticles were prepared by electrochemical deposition on highly oriented pyrolytic graphite (HOPG) and boron-doped, epitaxial 100-oriented diamond layers. Using a potentiostatic double pulse technique, the average particle size was varied in the
Tine Brülle, Wenbo Ju, Philipp Niedermayr, Andrej Denisenko, Odysseas Paschos, Oliver Schneider, Ulrich Stimming   +6 more
doaj   +1 more source

Uncovering the Effect of Lattice Strain and Oxygen Deficiency on Electrocatalytic Activity of Perovskite Cobaltite Thin Films

Advancement of science, 2019
Developing cost effective electrocatalysts with high oxygen evolution reaction (OER) activity is essential for large‐scale application of many electrochemical energy systems.
Xi Liu, Lei Zhang, Yun Zheng, Zheng Guo, Yunmin Zhu, Huijun Chen, Fei Li, Peipei Liu, Bo Yu, Xinwei Wang, Jiang Liu, Yan Chen, Meilin Liu   +12 more
semanticscholar   +1 more source

In situ scanning electrochemical probe microscopy for energy applications [PDF]

, 2012
High resolution electrochemical imaging methods provide opportunities to study localized phenomena on electrode surfaces. Here, we review recent advances in scanning electrochemical microscopy (SECM) to study materials involved in (electrocatalytic ...
Lai, Stanley Chi Shing, Macpherson, Julie V., Unwin, Patrick R.   +2 more
core   +1 more source

Electroactive Metal–Organic Frameworks for Electrocatalysis

Advanced Functional Materials, EarlyView.
Electrocatalysis is crucial in sustainable energy conversion as it enables efficient chemical transformations. The review discusses how metal–organic frameworks can revolutionize this field by offering tailorable structures and active site tunability, enabling efficient and selective electrocatalytic processes.
Irena Senkovska, Yutong Luo, Ruyan Zhao, Jianjun Zhang, Mingchao Wang, Xinliang Feng, Eike Brunner, Stefan Kaskel   +7 more
wiley   +1 more source

Understanding the improvement mechanism of plasma etching treatment on oxygen reduction reaction catalysts

Exploration
Plasma etching treatment is an effective strategy to improve the electrocatalytic activity, but the improvement mechanism is still unclear. In this work, a nitrogen‐doped carbon nanotube‐encased iron nanoparticles (Fe@NCNT) catalyst is synthesized as the
Peng Rao, Yanhui Yu, Shaolei Wang, Yu Zhou, Xiao Wu, Ke Li, Anyuan Qi, Peilin Deng, Yonggang Cheng, Jing Li, Zhengpei Miao, Xinlong Tian   +11 more
doaj   +1 more source

Electrodeposited Ni–Mo coatings as electrocatalytic materials for green hydrogen production

Heliyon, 2023
In this work, nanocrystalline nickel and nickel-molybdenum alloys were electrodeposited from electrolytes based on deep eutectic solvents. Eutectic mixtures of choline chloride with ethylene glycol (ethaline) and urea (reline) were used as typical ...
V.S. Protsenko, L.S. Bobrova, T.E. Butyrina, A.S. Baskevich, S.A. Korniy, F.I. Danilov   +5 more
doaj   +1 more source

Auto‐Generated Valence States in Electrocatalysts for Boosting Oxygen and Hydrogen Evolution Kinetics in Alkaline Water/Alkaline Seawater/Simulated Seawater/Natural Seawater

Advanced Functional Materials, EarlyView.
This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari, Gokul Bhaskaran, Krishan Kumar, Yun Suk Huh, Young‐Kyu Han   +4 more
wiley   +1 more source

Cross-linked CoMoO4/rGO nanosheets as oxygen reduction catalyst [PDF]

, 2017
Development of inexpensive and robust electrocatalysts towards oxygen reduction reaction (ORR) is crucial for the cost-affordable manufacturing of metal-air batteries and fuel cells. Here we show that cross-linked CoMoO4 nanosheets and reduced graphene
Fu, Jiaqi, Li, Yang-Guang, Meng, Jiang-Li, Miras, Haralampos N., Tan, Hua-Qiao, Wang, Yong-Hui, Wei, Mei-Jie, Zang, Hong-Ying   +7 more
core   +2 more sources