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Water Oxidation Electrocatalyzed by an Efficient Mn3O4/CoSe2Nanocomposite

Gao, Min-Rui, Xu, Yun-Fei, Jiang, Jun, Zheng, Ya-Rong, Yu, Shu-Hong·2012·Journal of the American Chemical Society
DOI 10.1021/ja211526y
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Abstract

The design of efficient, cheap, and abundant oxygen evolution reaction (OER) catalysts is crucial to the development of sustainable energy sources for powering fuel cells. We describe here a novel Mn(3)O(4)/CoSe(2) hybrid which could be a promising candidate for such electrocatalysts. Possibly due to the synergetic chemical coupling effects between Mn(3)O(4) and CoSe(2), the constructed hybrid displayed superior OER catalytic performance relative to its parent CoSe(2)/DETA nanobelts. Notably, such earth-abundant cobalt (Co)-based catalyst afforded a current density of 10 mA cm(-2) at a small overpotential of ~0.45 V and a small Tafel slope down to 49 mV/decade, comparable to the best performance of the well-investigated cobalt oxides. Moreover, this Mn(3)O(4)/CoSe(2) hybrid shows good stability in 0.1 M KOH electrolyte, which is highly required to a promising OER electrocatalyst.

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Metadata

Authors
Gao, M.-R., Xu, Y.-F., Jiang, J., Zheng, Y.-R., & Yu, S.-H.
Venue
Journal of the American Chemical Society
Publisher
American Chemical Society (ACS)
Published
2012-01-31
Volume
134
Issue
6
Pages
2930-2933
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
DOI
10.1021/ja211526y
OpenAlex
W2200167633
Cited by
681
References
0
FWCI
21.74
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Water Oxidation Electrocatalyzed by an Efficient Mn3O4/CoSe2Nanocomposite. https://app.cochat.ai/papers/10.1021/ja211526y
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Gao, M.-R., Xu, Y.-F., Jiang, J., Zheng, Y.-R., & Yu, S.-H. (2012). Water Oxidation Electrocatalyzed by an Efficient Mn3O4/CoSe2Nanocomposite. Journal of the American Chemical Society. https://doi.org/10.1021/ja211526y

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