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Finite linear diffusion model for design of overcharge protection for rechargeable lithium batteriesThe overcharge condition in secondary lithium batteries employing redox additives for overcharge protection has been theoretically analyzed in terms of a finite linear diffusion model. The analysis leads to expressions relating the steady-state overcharge current density and cell voltage to the concentration, diffusion coefficient, standard reduction potential of the redox couple, and interelectrode distance. The model permits the estimation of the maximum permissible overcharge rate for any chosen set of system conditions. The model has been experimentally verified using 1,1-prime-dimethylferrocene as a redox additive. The theoretical results may be exploited in the design and optimization of overcharge protection by the redox additive approach.
Document ID
19930053364
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Narayanan, S. R.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Surampudi, S.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Attia, A. I.
(JPL Pasadena, CA, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1991
Publication Information
Publication: In: Primary and secondary lithium batteries (A93-37355 14-25)
Publisher: Electrochemical Society, Inc.
Subject Category
Energy Production And Conversion
Accession Number
93A37361
Distribution Limits
Public
Copyright
Other

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