期刊论文

Zhu, Zhihong

英文

Chemical Engineering Journal

1385-8947

2018

334

864-872

10.1016/j.cej.2017.10.128

This work was financially supported by self-determined research funds of CCNU from the colleges’ basic research and operation of MOE (No. CCNU17TS007 ), the research funds of Key Laboratory of Analytical Chemistry for Biology and Medicine of MOE ( ACBM2016003 ), the Key Scientific Project of Wuhan City (No. 2013011801010598), Henan science and Technology Cooperation Project (172106000064), the National Natural Science Foundation of China (No. 50802032 and 11275082 ) and the Basic Scientific Research Foundation of Central China Normal University (No. CCNU16A05004 ).

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In this paper, using a chemical reduction method, oxygen vacancies are introduced into different NiCo2O4 nanostructures, crystal structure analyses and electrochemical property studies on oxygen vacancies are further described by two sets of in situ control experiments. Electrochemical data show that reduced NiCo2O4 electrodes with appropriate oxygen vacancies exhibit a significant improvement on electrical conductivity and capacitance compared to the untreated electrodes. Interestingly, the capacitance of the reduced NiCo2O4 nanosheets electro...