Analysis of delamination in thin film electrodes under galvanostatic and potentiostatic operations with Li-ion diffusion from edge

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摘要 ProgressivedelaminationdrivenbyLi-iondiffusioninelasticdisk-likethinfilmelectrodesofLi-ionbatteriesismodeledbasedonthecohesivemodel.Axisymmetricdiffusionmodelisconsideredunderbothgalvanostaticandpotentiostaticoperations.Theeffectofedgediffusiononthedelaminationprocessisevaluated.Itisfoundthatthediffusionfromedgeleadstoanearlierdelaminationinitiation.Theedgeeffectissignificantforactivediskswithasmallaspectratio,butnegligibleforthecaseoflargeaspectratio.Theedgediffusionisweakerinthepotentiostaticoperationthaninthegalvanostaticoperation.
机构地区 不详
出处 《力学学报:英文版》 2013年3期
出版日期 2013年03月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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