NDLI: Mesoporous metal-nitrogen-doped carbon electrocatalysts for highly efficient oxygen reduction reaction.

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Mesoporous metal-nitrogen-doped carbon electrocatalysts for highly efficient oxygen reduction reaction.

Content Provider	Semantic Scholar
Author	Liang, Hai-Wei Wu, Zhong-Shuai Feng, Xinliang Müllen, Klaus
Copyright Year	2013
Abstract	A family of mesoporous nonprecious metal (NPM) catalysts for oxygen reduction reaction (ORR) in acidic media, including cobalt-nitrogen-doped carbon (C-N-Co) and iron-nitrogen-doped carbon (C-N-Fe), was prepared from vitamin B12 (VB12) and the polyaniline-Fe (PANI-Fe) complex, respectively. Silica nanoparticles, ordered mesoporous silica SBA-15, and montmorillonite were used as templates for achieving mesoporous structures. The most active mesoporous catalyst was fabricated from VB12 and silica nanoparticles and exhibited a remarkable ORR activity in acidic medium (half-wave potential of 0.79 V, only ∼58 mV deviation from Pt/C), high selectivity (electron-transfer number >3.95), and excellent electrochemical stability (only 9 mV negative shift of half-wave potential after 10,000 potential cycles). The unprecedented performance of these NPM catalysts in ORR was attributed to their well-defined porous structures with a narrow mesopore size distribution, high Brunauer-Emmett-Teller surface area (up to 572 m(2)/g), and homogeneous distribution of abundant metal-Nx active sites.
File Format	PDF HTM / HTML
DOI	10.1021/ja407552k
PubMed reference number	24128393
Journal	Medline
Volume Number	135
Issue Number	43
Alternate Webpage(s)	http://pubman.mpdl.mpg.de/pubman/item/escidoc:1943309/component/escidoc:2245796/Mesoporous_Metal-Nitrogen(36).pdf
Alternate Webpage(s)	http://www.zswu.dicp.ac.cn/photo/month_1603/201603181646529184.pdf
Alternate Webpage(s)	https://doi.org/10.1021/ja407552k
Journal	Journal of the American Chemical Society
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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