An oriented laterally-growing NiCo2O4 nanowire array on a Fe2O3 microdisc as a high-capacity and excellent rate-performance secondary battery anode

Jinyun Liu; Yingyi Ding; Tianli Han; Jiawei Long; Xiaodong Pei; Yanhua Luo; Weidong Bao; Xirong Lin; Haikuo Zhang

doi:10.1039/D0CC00553C

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An oriented laterally-growing NiCo₂O₄ nanowire array on a Fe₂O₃ microdisc as a high-capacity and excellent rate-performance secondary battery anode†

Jinyun Liu,

*^a Yingyi Ding,^a Tianli Han,^a Jiawei Long,^a Xiaodong Pei,^b Yanhua Luo,^b Weidong Bao,^b Xirong Lin^cd and Haikuo Zhang^cd

Author affiliations

* Corresponding authors

^a Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, Key Laboratory of Electrochemical Clean Energy of Anhui Higher Education Institutes, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241000, P. R. China
E-mail: jyliu@iim.ac.cn

^b Nanjing New Materials Research Institute Co., Ltd. of Sinosteel, Nanjing, Jiangsu 211106, P. R. China

^c Key Laboratory for Thin Film and Micro Fabrication of the Ministry of Education, Department of Micro/Nano Electronics, Shanghai Jiao Tong University, Shanghai 200240, P. R. China

^d Center for High-Performance Computing, Shanghai Jiao Tong University, Shanghai 200240, P. R. China

Abstract

A novel hierarchical composite consisting of an ordered NiCo₂O₄ nanowire array growing on the lateral side of a Fe₂O₃ microdisc is presented, which was confirmed by X-ray holography technology on a synchrotron radiation station. The composite-based Li-ion battery anode exhibits a high capacity of 1528 mA h g⁻¹ after 200 cycles at 0.2C, a recoverable rate-performance after repeated tests, and robust mechanical properties.

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Article information

DOI: https://doi.org/10.1039/D0CC00553C
Article type: Communication
Submitted: 20 Jan 2020
Accepted: 28 Jan 2020
First published: 28 Jan 2020

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Chem. Commun., 2020,56, 2618-2621

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An oriented laterally-growing NiCo₂O₄ nanowire array on a Fe₂O₃ microdisc as a high-capacity and excellent rate-performance secondary battery anode

J. Liu, Y. Ding, T. Han, J. Long, X. Pei, Y. Luo, W. Bao, X. Lin and H. Zhang, Chem. Commun., 2020, 56, 2618 DOI: 10.1039/D0CC00553C

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Chemical Communications