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Published in: Journal of Materials Science 4/2022

03-01-2022 | Energy materials

Phosphorus-doped silicon nanoparticles as high performance LIB negative electrode

Authors: Fangqi Tang, Yu Tan, Tingting Jiang, Yingke Zhou

Published in: Journal of Materials Science | Issue 4/2022

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Abstract

Silicon is getting much attention as the promising next-generation negative electrode materials for lithium-ion batteries with the advantages of abundance, high theoretical specific capacity and environmentally friendliness. In this work, a series of phosphorus (P)-doped silicon negative electrode materials (P-Si-34, P-Si-60 and P-Si-120) were obtained by a simple heat treatment method, which can maintain the original nanoparticle morphology. The P-Si-60 material shows excellent discharge specific capacity, rate performance and cycling performance. The discharge specific capacity after 50 cycles remains > 2000 mAh g−1 with a capacity retention rate of 74.3%. The excellent electrochemical properties of P-Si-60 material can be attributed to the phosphorus doping without destroying the original particle morphology and nanostructure and the higher intrinsic electric conductivity. It will bring new thoughts for the further application of silicon negative electrode materials.

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Literature
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go back to reference Shenouda, A. Y. L., Hua-Kun (2010) Preparation, characterization, and electrochemical performance of Li2CuSnO4 and Li2CuSnSiO6 electrodes for lithium batteries (Research Online). Shenouda, A. Y. L., Hua-Kun (2010) Preparation, characterization, and electrochemical performance of Li2CuSnO4 and Li2CuSnSiO6 electrodes for lithium batteries (Research Online).
Metadata
Title
Phosphorus-doped silicon nanoparticles as high performance LIB negative electrode
Authors
Fangqi Tang
Yu Tan
Tingting Jiang
Yingke Zhou
Publication date
03-01-2022
Publisher
Springer US
Published in
Journal of Materials Science / Issue 4/2022
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-021-06679-3

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