期刊
RSC ADVANCES
卷 7, 期 42, 页码 26120-26124出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra02910a
关键词
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资金
- National Natural Science Foundation of China [21571166, 51271173]
- National Basic Research Program of China [2012CB922001]
- Fundamental Research Funds for the Central Universities [WK6030000019]
Transition metal phosphides have received considerable interest for electrochemical energy storage/conversion and catalysis. In this work, we designed a unique hybrid of NiCoP nanoparticles adhered on quasi-planar structured graphene by assembling 8.5 nm ternary NiCoP nanoparticles on graphene through a solution-phase self-assembly strategy. The NiCoP catalyst in the form of small-size particles wrapped in graphene provided more active sites, a buffer for volume alteration and enhanced conductivity for electrochemical reactions. Typically, the hybrid catalyst demonstrates a high specific capacity of around 532 mA h g(-1), excellent cycling stability and superior rate performance when the hybrid material is evaluated as an anode material for lithium-ion batteries, and it shows excellent electrochemical properties with a specific capacitance of 646 F g (-1) at 4 A g(-1), maintaining 91% of this initial value after 2000 cycles functioning as a supercapacitor.
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