Spatially-confined lithiation–delithiation in highly dense nanocomposite anodes towards advanced lithium-ion batteries

Yinzhu Jiang; Yong Li; Wenping Sun; Wei Huang; Jiabin Liu; Ben Xu; Chuanhong Jin; Tianyu Ma; Changzheng Wu; Mi Yan

doi:10.1039/C5EE00314H

Spatially-confined lithiation–delithiation in highly dense nanocomposite anodes towards advanced lithium-ion batteries†

Yinzhu Jiang,‡*^a Yong Li,‡^a Wenping Sun,^b Wei Huang,^a Jiabin Liu,^a Ben Xu,^c Chuanhong Jin,^a Tianyu Ma,^a Changzheng Wu*^d and Mi Yan*^a

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* Corresponding authors

^a State Key Laboratory of Silicon Materials, Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang Province, Key Laboratory of Novel Materials for Information Technology of Zhejiang Province, and School of Materials Science and Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, P. R. China
E-mail: yzjiang@zju.edu.cn, mse_yanmi@zju.edu.cn
Fax: +86-(0)-571-85038549
Tel: +86-(0)-571-85038549

^b School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore

^c Laboratory of Smart Materials and Surface, Mechanical Engineering, Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, UK

^d Hefei National Laboratory for Physical Sciences at Microscale & Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026, P. R. China
E-mail: czwu@ustc.edu.cn
Fax: +86-(0)-551-63603134
Tel: +86-(0)-551-63603134

Abstract

Spatially-confined electrochemical reactions are firstly realized in a highly dense nanocomposite anode for high performance lithium ion batteries. The spatially-confined lithiation–delithiation effectively avoids inter-cluster migration and perfectly retains full structural integrity. Large reversible capacity, high rate capability and superior cycling stability are achieved simultaneously. This spatially-confined lithiation–delithiation offers novel insight to enhance cycling performance of high capacity anode materials.

Energy & Environmental Science

Spatially-confined lithiation–delithiation in highly dense nanocomposite anodes towards advanced lithium-ion batteries†

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Spatially-confined lithiation–delithiation in highly dense nanocomposite anodes towards advanced lithium-ion batteries

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