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Synthesis of a Yolk-Shell Nanostructured Silicon-Based Anode for High-Performance Li-Ion Batteries

Xiangjie Yang, Weikang Kong, Guangyuan Du, Shilong Li, Yueyuan Tang, Jun Cao, Xueyi Lu, Rui Tan Orcid Logo, Guoyu Qian Orcid Logo

Batteries, Volume: 9, Issue: 9, Start page: 446

Swansea University Author: Rui Tan Orcid Logo

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DOI (Published version): 10.3390/batteries9090446

Abstract

Silicon is a desirable anode material for Li-ion batteries owing to its remarkable theoretical specific capacity of over 4000 mAh/g. Nevertheless, the poor cycling performance of pure Si electrodes caused by dramatic volume expansion has limited its practical application. To alleviate the adverse ef...

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Published in: Batteries
ISSN: 2313-0105
Published: MDPI AG 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa67801
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spelling v2 67801 2024-09-25 Synthesis of a Yolk-Shell Nanostructured Silicon-Based Anode for High-Performance Li-Ion Batteries 774c33a0a76a9152ca86a156b5ae26ff 0009-0001-9278-7327 Rui Tan Rui Tan true false 2024-09-25 EAAS Silicon is a desirable anode material for Li-ion batteries owing to its remarkable theoretical specific capacity of over 4000 mAh/g. Nevertheless, the poor cycling performance of pure Si electrodes caused by dramatic volume expansion has limited its practical application. To alleviate the adverse effects of Si expansion, we have synthesized anode materials of nano-Si particles trapped in a buffering space and outer carbon-based shells (Si@Void@C). The volume ratio of Si nanoparticle to void space could be adjusted accurately to approximately 1:3, which maintained the structural integrity of the as-designed nanoarchitecture during lithiation/delithiation and achieved a notable specific capacity of ~750 mAh/g for as-prepared half-cells. The yolk-shell nanostructure alleviates volumetric expansion on both material and electrode levels, which enhances the rate performance and cycling stability of the silicon-based anode. Journal Article Batteries 9 9 446 MDPI AG 2313-0105 lithium-ion battery; silicon-based anode; nanostructure; composited materials 31 8 2023 2023-08-31 10.3390/batteries9090446 COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University Another institution paid the OA fee This research was funded by the Shenzhen Science and Technology Program (Grant No. RCBS20200714114820077) and the Young Elite Scientists Sponsorship Program by CAST (2022QNRC001). 2024-10-18T11:37:07.1546541 2024-09-25T21:28:48.3721391 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Xiangjie Yang 1 Weikang Kong 2 Guangyuan Du 3 Shilong Li 4 Yueyuan Tang 5 Jun Cao 6 Xueyi Lu 7 Rui Tan 0009-0001-9278-7327 8 Guoyu Qian 0000-0001-5679-9710 9 67801__32633__64f392687fdd44bf89f9fb33ba5e724e.pdf 67801.VoR.pdf 2024-10-18T11:33:34.8277683 Output 4044834 application/pdf Version of Record true © 2023 by the authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license. true eng https://creativecommons.org/licenses/by/4.0/
title Synthesis of a Yolk-Shell Nanostructured Silicon-Based Anode for High-Performance Li-Ion Batteries
spellingShingle Synthesis of a Yolk-Shell Nanostructured Silicon-Based Anode for High-Performance Li-Ion Batteries
Rui Tan
title_short Synthesis of a Yolk-Shell Nanostructured Silicon-Based Anode for High-Performance Li-Ion Batteries
title_full Synthesis of a Yolk-Shell Nanostructured Silicon-Based Anode for High-Performance Li-Ion Batteries
title_fullStr Synthesis of a Yolk-Shell Nanostructured Silicon-Based Anode for High-Performance Li-Ion Batteries
title_full_unstemmed Synthesis of a Yolk-Shell Nanostructured Silicon-Based Anode for High-Performance Li-Ion Batteries
title_sort Synthesis of a Yolk-Shell Nanostructured Silicon-Based Anode for High-Performance Li-Ion Batteries
author_id_str_mv 774c33a0a76a9152ca86a156b5ae26ff
author_id_fullname_str_mv 774c33a0a76a9152ca86a156b5ae26ff_***_Rui Tan
author Rui Tan
author2 Xiangjie Yang
Weikang Kong
Guangyuan Du
Shilong Li
Yueyuan Tang
Jun Cao
Xueyi Lu
Rui Tan
Guoyu Qian
format Journal article
container_title Batteries
container_volume 9
container_issue 9
container_start_page 446
publishDate 2023
institution Swansea University
issn 2313-0105
doi_str_mv 10.3390/batteries9090446
publisher MDPI AG
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
document_store_str 1
active_str 0
description Silicon is a desirable anode material for Li-ion batteries owing to its remarkable theoretical specific capacity of over 4000 mAh/g. Nevertheless, the poor cycling performance of pure Si electrodes caused by dramatic volume expansion has limited its practical application. To alleviate the adverse effects of Si expansion, we have synthesized anode materials of nano-Si particles trapped in a buffering space and outer carbon-based shells (Si@Void@C). The volume ratio of Si nanoparticle to void space could be adjusted accurately to approximately 1:3, which maintained the structural integrity of the as-designed nanoarchitecture during lithiation/delithiation and achieved a notable specific capacity of ~750 mAh/g for as-prepared half-cells. The yolk-shell nanostructure alleviates volumetric expansion on both material and electrode levels, which enhances the rate performance and cycling stability of the silicon-based anode.
published_date 2023-08-31T11:37:05Z
_version_ 1813247768263655424
score 11.033506

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