Nano/Energy MaterialsNo Access

Nanoshell Si/Cu composites as anode materials for lithium ion battery

School of Materials Science and Engineering, China University of Geosciences (Beijing), 29 Xueyuan Road, Beijing 100083, P. R. China

E-mail Address: zhmans@126.com

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Lian Shen

School of Materials Science and Engineering, China University of Geosciences (Beijing), 29 Xueyuan Road, Beijing 100083, P. R. China

E-mail Address: sgl1028@sina.com

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, and

Yangai Liu

School of Materials Science and Engineering, China University of Geosciences (Beijing), 29 Xueyuan Road, Beijing 100083, P. R. China

E-mail Address: liuyang@cugb.edu.cn

Corresponding author.

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https://doi.org/10.1142/S0217979220400081Cited by:2 (Source: Crossref)

This article is part of the issue:

SPECIAL ISSUE — MMPD 2019

Abstract

The chemical plating methods were used to prepare nanoshell Si/Cu composites. The methods delivered a high initial discharge and charge capacity of 1312.1 and 1008.8 mAh/g, respectively. The electrochemical properties of the composites retained about 662.6 mAh/g after 100 cycles. The Cu coating improved the electrical conductivity but hindered the direct contact of the Si particles and the electrolyte, which suppressed the SEI growth.

Keywords:

PACS: 82.47.Aa

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