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Appl. Phys. Lett. 96, 091909 (2010); http://dx.doi.org/10.1063/1.3330940 (3 pages)

A surface locking instability for atomic intercalation into a solid electrode

Hamed Haftbaradaran, Huajian Gao, and W. A. Curtin

Division of Engineering, Brown University, Providence, Rhode Island 02912, USA

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(Received 13 December 2009; accepted 31 January 2010; published online 3 March 2010)

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.

© 2010 American Institute of Physics

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0003-6951 (print)  
1077-3118 (online)

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