Mesoporous NiCo2O4 nanoflakes as electrocatalysts for rechargeable Li–O2 batteries

Lixue Zhang; Shengliang Zhang; Kejun Zhang; Gaojie Xu; Xiang He; Shanmu Dong; Zhihong Liu; Changshui Huang; Lin Gu; Guanglei Cui

doi:10.1039/C3CC40393A

Mesoporous NiCo₂O₄ nanoflakes as electrocatalysts for rechargeable Li–O₂ batteries†

Lixue Zhang,‡^a Shengliang Zhang,‡^ab Kejun Zhang,^ab Gaojie Xu,^a Xiang He,^bc Shanmu Dong,^a Zhihong Liu,^a Changshui Huang,^a Lin Gu^c and Guanglei Cui*^a

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* Corresponding authors

^a Qingdao Key Laboratory of Solar Energy Utilization and Energy Storage Technology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, 266101 Qingdao, China
E-mail: cuigl@qibebt.ac.cn
Fax: +86 532 80662744
Tel: +86 532 80662746

^b University of Chinese Academy of Sciences, No. 19A Yuquan Road, 100049 Beijing, China

^c Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China

Abstract

Herein, we report the facile synthesis of mesoporous NiCo₂O₄ nanoflakes and their application in nonaqueous Li–O₂ batteries as cathode catalysts. The assembled Li–O₂ batteries presented lower overpotentials and enhanced cyclability, which should be attributed to the superior electrocatalytic activity and the mesoporous nanostructure of NiCo₂O₄.

Chemical Communications

Mesoporous NiCo₂O₄ nanoflakes as electrocatalysts for rechargeable Li–O₂ batteries†

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Mesoporous NiCo₂O₄ nanoflakes as electrocatalysts for rechargeable Li–O₂ batteries

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