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Facile Shape Control of Co 3 O 4 and the Effect of the Crystal Plane on Electrochemical Performance
Author(s) -
Xiao Xiaoling,
Liu Xiangfeng,
Zhao Hu,
Chen Dongfeng,
Liu Fengzhen,
Xiang Junhui,
Hu Zhongbo,
Li Yadong
Publication year - 2012
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201202271
Subject(s) - octahedron , materials science , electrochemistry , crystal (programming language) , hydrothermal circulation , plane (geometry) , crystal structure , crystallography , electrode , chemical engineering , geometry , chemistry , mathematics , computer science , programming language , engineering
Co 3 O 4 with three different crystal plane structures – cubes bounded by {001}planes, truncated octahedra enclosed by {111} and {001} planes, and octahedra with exposed {111}planes – is synthesized using a very simple one‐step hydrothermal method. The three kinds of Co 3 O 4 exhibit significantly different electrochemical performances and the effect of different exposed crystal planes on the electrochemical performance of Co 3 O 4 is comprehensively studied.