Defect‐Rich CoP/Nitrogen‐Doped Carbon Composites Derived from a Metal–Organic Framework: High‐Performance Electrocatalysts for the Hydrogen Evolution Reaction | Zendy

Zhang Zhe | Zendy; Hao Jinhui | Zendy; Yang Wenshu | Zendy; Tang Jilin | Zendy

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Defect‐Rich CoP/Nitrogen‐Doped Carbon Composites Derived from a Metal–Organic Framework: High‐Performance Electrocatalysts for the Hydrogen Evolution Reaction

Author(s) -

Zhang Zhe,

Hao Jinhui,

Yang Wenshu,

Tang Jilin

Publication year - 2015

Publication title -

chemcatchem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.497

H-Index - 106

eISSN - 1867-3899

pISSN - 1867-3880

DOI - 10.1002/cctc.201500398

Subject(s) - overpotential , tafel equation , exchange current density , electrocatalyst , metal organic framework , materials science , carbon fibers , composite number , nitrogen , hydrogen , current density , chemical engineering , chemistry , inorganic chemistry , composite material , electrochemistry , electrode , organic chemistry , physics , adsorption , quantum mechanics , engineering

A defect‐rich CoP/nitrogen‐doped carbon composite is reported for the first time derived from ZIF‐67 by means of low‐temperature phosphidation process. As a hydrogen evolution reaction electrocatalyst, the obtained CoP‐N‐C has high HER activity and good stability with a low onset overpotential of 31 mV, a small Tafel slope of 42 mV dec −1 , a large exchange current density of 1.6×10 −1 mA cm −2 , and a 10 mA cm −2 current density at overpotential 91 mV.

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