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Size effect on the thermal and mechanical performance of cylindrical lithium-ion batteries

文献类型：期刊论文

作者Liu J(刘锦)5,7; Chen CG(陈春光)5,7; Wen JC(温济慈)5,7; Chang ZH(常正华)4,6; Notten, Peter HL1,2,3; Wei YJ(魏宇杰)5,6,7
刊名APPLIED ENERGY
出版日期2024-12-01
卷号375页码:12
关键词Cylindrical lithium-ion battery Thermal-mechanical performance Energy density Size effect Optimal design
ISSN号0306-2619
DOI10.1016/j.apenergy.2024.124056
通讯作者Chen, Chunguang(chenchunguang@imech.ac.cn) ; Wei, Yujie(yujie_wei@lnm.imech.ac.cn)
英文摘要Increasing the size of cylindrical lithium-ion batteries (LIBs) to achieve higher energy densities and faster charging represents one effective tactics in nowadays battery society. A systematic understanding on the size effect of energy density, thermal and mechanical performance of cylindrical LIBs is of compelling need. Taking the diameter D and height H of cylindrical LIBs as variables, we shed light on the energy densities, thermal and mechanical performance of cylindrical LIBs. The volumetric energy density increases with D , while the gravimetric energy density first increases with D , peaks at a certain diameter before dropping with further increasing D . The thermal performance of cylindrical LIBs could be better characterized by the diameter-to-height ratio: cells of identical capacity but with greater D / H show lower temperature rise and lower thermal gradient at high cycling rates. Mechanically, LIBs of greater D are prone to buckling on the jellyroll close to core, and may fracture under tension on outer jellyroll near the cell case. Those findings suggest the necessity to optimize D and H of cylindrical LIBs insomuch as the trade-offs between the thermal and mechanical performance.
分类号一类
WOS关键词OPTIMIZATION ; MODEL
资助项目National Natural Science-Foundation of China[11988102] ; Chinese Academy of Sciences ; Beijing Natural Science Foundation[Z240001] ; NSFC[12002343] ; China Postdoctoral Science Foundation[2023M743388]
WOS研究方向Energy & Fuels ; Engineering
语种英语
WOS记录号WOS:001291002600001
资助机构National Natural Science-Foundation of China ; Chinese Academy of Sciences ; Beijing Natural Science Foundation ; NSFC ; China Postdoctoral Science Foundation
其他责任者Chen, Chunguang ; Wei, Yujie
源URL[http://dspace.imech.ac.cn/handle/311007/96328]  
专题力学研究所_非线性力学国家重点实验室
作者单位1.Univ Technol Sydney, Sydney, NSW 2007, Australia
2.Forschungszentrum Julich IEK 9, D-52425 Julich, Germany;
3.Eindhoven Univ Technol, POB 513, NL-5600 MB Eindhoven, Netherlands;
4.Univ Sci & Technol China, Dept Modern Mech, Hefei 230026, Anhui, Peoples R China;
5.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China;
6.Eastern Inst Technol, Eastern Inst Adv Study, Ningbo 315200, Zhejiang, Peoples R China;
7.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China;
推荐引用方式
GB/T 7714		 Liu J,Chen CG,Wen JC,et al. Size effect on the thermal and mechanical performance of cylindrical lithium-ion batteries[J]. APPLIED ENERGY,2024,375:12.
APA 刘锦,陈春光,温济慈,常正华,Notten, Peter HL,&魏宇杰.(2024).Size effect on the thermal and mechanical performance of cylindrical lithium-ion batteries.APPLIED ENERGY,375,12.
MLA 刘锦,et al."Size effect on the thermal and mechanical performance of cylindrical lithium-ion batteries".APPLIED ENERGY 375(2024):12.

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来源：力学研究所

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