Paper Title:
Phase-Transformation Wave Dynamics in LiFePO4
  Abstract

A general continuum model has recently been proposed for the dynamics of ion intercalation in a single crystal of rechargeable-battery electrode materials [1]. When applied to strongly phase-separating, highly anisotropic materials such as LiFePO4, phase-transformation waves are predicted between the lithiated and unlithiated portions of a crystal. In this paper, we extend the analysis of the wave dynamics, and we describe a new mechanism for current capacity fade through the interactions of these waves with defects in the material.

  Info
Periodical
Solid State Phenomena (Volume 139)
Edited by
Veena Tikare, Graeme E. Murch, Frédéric Soisson and Jeung Ku Kang
Pages
95-100
DOI
10.4028/www.scientific.net/SSP.139.95
Citation
D. Burch, G. Singh, G. Ceder, M. Z. Bazant, "Phase-Transformation Wave Dynamics in LiFePO4 ", Solid State Phenomena, Vol. 139, pp. 95-100, 2008
Online since
April 2008
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Price
$32.00
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