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NiCoP/CoP Nanoparticles Supported on Ti4O7 as the Electrocatalyst Possessing an Excellent Catalytic Performance toward the Hydrogen Evolution Reaction
Ma, D; Li, RH; Zheng, ZL; Jia, ZJ; Meng, K; Wang, Y; Zhu, GM; Zhang, H; Qi, T; Ma, Dan; Li, Ruihao; Zheng, Zhilin; Jia, Zhijun; Meng, Kai; Wang, Yi; Zhu, Guangming; Zhang, Hui; Qi, Tao
2018
Source PublicationACS SUSTAINABLE CHEMISTRY & ENGINEERING
ISSN2168-0485
Volume6Issue:11Pages:14275
Abstract

NiCoP/CoP nanoparticles and NiCoP/CoP nanoparticles supported on carbon black (NiCoP/CoP-C) and titanium suboxide (NiCoP/CoP-Ti4O7), respectively, are prepared by a hydrothermal method followed by two steps of low temperature annealing processes. As hydrogen evolution reaction (HER) catalysts, the activities of the three catalysts are measured by linear sweep voltammetry (LSV), cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and so on. Impressively, NiCoP/CoP Ti4O7 shows the best electrocatalytic performance for HER with an ultralow overpotential of 128 mV at 10 mA cm(-2) along with negligible catalytic activity degradation after 1000 cycles of CV, which is partly ascribed to the high conductivity and corrosion resistance of Ti4O7. According to the characterization of X-ray photoelectron spectra (XPS), it is found that NiCoP/CoP Ti4O7 has a higher ratio of Ni2+ and surface defects, which can be also used to explain the reason why NiCoP/CoP Ti4O7 owns the most preeminent HER activity among the three catalysts.

KeywordNicop/cop Nanoparticles Formic-acid Electrooxidation Ti4o7 Titanium Suboxide Hydrogen Evolution Reaction Nanosheet Arrays Electrocatalysts Oxygen Evolution Electron Interaction Carbon-black Efficient Cu Ni Nanotubes Phosphide
SubtypeArticle
DOI10.1021/acssuschemeng.8b02935
WOS IDWOS:000449577200074
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/26680
Collection中国科学院过程工程研究所
Recommended Citation
GB/T 7714
Ma, D,Li, RH,Zheng, ZL,et al. NiCoP/CoP Nanoparticles Supported on Ti4O7 as the Electrocatalyst Possessing an Excellent Catalytic Performance toward the Hydrogen Evolution Reaction[J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING,2018,6(11):14275.
APA Ma, D.,Li, RH.,Zheng, ZL.,Jia, ZJ.,Meng, K.,...&Qi, Tao.(2018).NiCoP/CoP Nanoparticles Supported on Ti4O7 as the Electrocatalyst Possessing an Excellent Catalytic Performance toward the Hydrogen Evolution Reaction.ACS SUSTAINABLE CHEMISTRY & ENGINEERING,6(11),14275.
MLA Ma, D,et al."NiCoP/CoP Nanoparticles Supported on Ti4O7 as the Electrocatalyst Possessing an Excellent Catalytic Performance toward the Hydrogen Evolution Reaction".ACS SUSTAINABLE CHEMISTRY & ENGINEERING 6.11(2018):14275.
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