Journal
CHEMCATCHEM
Volume 11, Issue 13, Pages 3004-3009Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201900718
Keywords
Oxygen evolution reaction; Hybrid structure; FeNiOOH; Low overpotential
Categories
Funding
- National Natural Science Foundation of China [11572057, 11832007, 51702027]
- China Postdoctoral Science Foundation [2018 M631082]
- Application and Foundation Research Projects of Sichuan Province [2019YJ0668]
- Foundation of Sichuan Educational Committee [18ZB0139]
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Electrons released from surface reactions need to be transferred quickly to avoid the inhibition for following reactions. Herein, a novel strategy has been demonstrated to achieve outstanding catalytic performance for oxygen evolution reaction (OER), specifically removing interfacial charges through an optimized hybrid amorphous/crystalline FeNi (Oxy)hydroxides. Such hybrid structure offers an overpotential of only 215 mV at the current density of 10 mA cm(-2) and a Tafel slope of 50.9 mV dec(-1) in 1 M KOH, together with outstanding stability. The superior catalytic activity and stability can be attributed to the unique amorphous/crystalline microstructure, leading to optimized reactivity and excellent conductivity.
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