Journal
APPLIED PHYSICS LETTERS
Volume 96, Issue 9, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3330940
Keywords
diffusion; electrochemical electrodes; internal stresses; secondary cells
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Funding
- GM-Brown Collaborative Research Laboratory on Computational Materials Science
- NSF MRSEC at Brown [DMR-0520651]
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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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