Journal
NANOSCALE
Volume 10, Issue 5, Pages 2603-2612Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7nr07274k
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Funding
- National Natural Science Foundation of China [21236003, 21322607, 21406072, 21471056, 21676093, 91534202]
- Basic Research Program of Shanghai [15JC1401300]
- Shanghai Educational Development Foundation [14CG29]
- Key Scientific and Technological Program of Shanghai [14521100800]
- International Science and Technology Cooperation Program of China [2015DFA51220]
- Fundamental Research Funds for the Central Universities [222201718002]
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The design of earth-abundant, active and stable water splitting bifunctional catalysts that operate in the same media is crucial for large-scale water electrolysis. CoP nanoparticles anchored on N, P-dual-doped mesoporous graphene-like carbon (CoP@NPMG) acts as an outstanding bifunctional electrocatalyst for both the hydrogen evolution reaction and the oxygen evolution reaction over a wide pH range. The synthesis method of CoP@NPMG is template-free and simple, and all the precursors are easily obtained; both these factors contribute to the feasibility of practical large-scale fabrication. When employed as a bifunctional electrode, CoP@NPMG enables high-performance water splitting with a current density of 10 mA cm(-2) at cell voltages of only 1.58 V and 1.74 V in 1 M KOH and 1 M PBS, respectively. In addition, CoP@NPMG displays excellent catalytic stability at all pH values.
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