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Ultra‐thin Co−Fe Layered Double Hydroxide Hollow Nanocubes for Efficient Electrocatalytic Water Oxidation
Author(s) -
Yuan Haitao,
Wang Yanzhi,
Yang Chenxi,
Liang Zuozhong,
Chen Mingxing,
Zhang Wei,
Zheng Haoquan,
Cao Rui
Publication year - 2019
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.201900524
Subject(s) - overpotential , tafel equation , hydroxide , layered double hydroxides , materials science , chemical engineering , alkali metal , inorganic chemistry , catalysis , thin film , chemistry , nanotechnology , electrochemistry , electrode , organic chemistry , engineering
Hierarchical hollow nanocubes based on ultra‐thin CoFe‐layered double hydroxide (CoFe−LDH) nanosheets have been prepared. The obtained CoFe−LDH hollow nanocubes could effectively catalyze water oxidation at a low overpotential of 270 mV @ 10 mA cm −2 , low Tafel slope of 58.3 mV dec −1 and show a long‐term stability in alkali.