Journal
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 8, Issue 43, Pages 16091-16096Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.0c06052
Keywords
NiCoV-layered triple hydroxide; Electrocatalysts; Oxygen evolution reaction; Large current density; Stability
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Funding
- National Natural Science Foundation of China [21701107, 51672165]
- Natural Science Foundation of Shaanxi Province [2019JQ018]
- Xi'an Key Laboratory of Green Manufacture of Ceramic Materials Foundation [2019220214SYS017CG039]
- Key Program for International S&T Cooperation Projects of Shaanxi Province [2020KW-038, 2020GHJD-04]
- Science and Technology Resource Sharing Platform of Shaanxi Province [2020PT022]
- Science and Technology Program of Xi'an, China [2020KJRC0009]
- Shaanxi Provincial Education Department [20JY001]
- Doctoral Scientific Research Start up Foundation of Shaanxi University of Science and Technology [2016QNBT-07]
- Platform Construction Fund for Imported Talent of Shaanxi University of Science and Technology [134080038]
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We report the in situ generation of NiCoV-LTH (layered triple hydroxide) on nickel foam (NF) for electrocatalytic oxygen evolution reaction (OER). By adjusting the molar ratio of Co/V, the NiCoV-LTH/NF material can achieve the conversion from single-crystal nanoneedles to polycrystalline nanosheets. Especially, the resultant NiCoV-LTH polycrystalline nanosheets (denoted as P-NiCoV-LTH/NF) only require ultralow over-potentials of 340 and 373 mV to reach the large current density of 500 and 1000 mA cm(-2) for OER, respectively, and exhibit ultrastrong durability for over 180 h.
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