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Dynamic Monte Carlo simulations of diffusion in LiyMn2O4
Darling, R., & Newman, J. (1999). Dynamic Monte Carlo simulations of diffusion in LiyMn2O4. Journal of the Electrochemical Society, 146(10), 3765-3772.
Monte Carlo techniques are used to simulate the thermodynamics and diffusion of Li in the intercalation compound LiyMn2O4.. Results are presented for stoichiometric LiyMn2O4 and for Li-rich LiyMn2O4 containing pinned Li. The predicted theoretical open-circuit potential compares favorably with literature results. The influence of Li-Li interactions on the activation energy leads to a diffusion coefficient that depends upon concentration. The diffusion coefficient is interpreted in terms of a thermodynamic factor and a binary interaction parameter. (C) 1999 The Electrochemical Society. S0013-4651(99)04-094-X. All rights reserved