NDLI: Cobalt nanoparticles encapsulated in nitrogen-doped carbon as a bifunctional catalyst for water electrolysis

Content Provider	Semantic Scholar
Author	Wang, Jing Gao, Dunfeng Wang, Guoxiong Miao, Shu Ting Wu, Haihua Li, Jiayuan Bao, Xinhe
Copyright Year	2014
Abstract	The hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) are important electrocatalytic processes in water electrolyzers. Identifying efficient non-precious metal catalysts for HER and OER remains a great challenge for applications in different kinds of electrolyzers. Herein, we report that cobalt nanoparticles encapsulated in nitrogen-doped carbon (Co@N-C) show high activity and durability for HER in a wide pH range and for OER in alkaline medium as a bifunctional catalyst. The HER and OER activities of Co@N-C are higher than those of multiwall carbon nanotube and iron nanoparticles encapsulated in nitrogen-doped carbon with a similar content of nitrogen. Electrolyzer prototypes using Nafion NRE-212 as electrolyte membrane and Co@N-C as cathode or anode catalyst are constructed, showing potential practical applications in water splitting.
Starting Page	20067
Ending Page	20074
Page Count	8
File Format	PDF HTM / HTML
DOI	10.1039/C4TA04337E
Volume Number	2
Alternate Webpage(s)	http://www.rsc.org/suppdata/ta/c4/c4ta04337e/c4ta04337e1.pdf
Alternate Webpage(s)	https://doi.org/10.1039/C4TA04337E
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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