期刊
APPLIED PHYSICS LETTERS
卷 96, 期 9, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3330940
关键词
diffusion; electrochemical electrodes; internal stresses; secondary cells
资金
- GM-Brown Collaborative Research Laboratory on Computational Materials Science
- NSF MRSEC at Brown [DMR-0520651]
By introducing a coupling between internal stresses and activation energy for diffusion in the classical theory of diffusion induced stresses, a class of nonconventional solutions has been found for atomic intercalation into a solid electrode, indicative of a surface locking instability once the product between electrode dimension and charging rate exceeds a critical value. This finding may have important implications for the lithium ion battery technology.
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