Primary alkaline battery cathodes a three-scale model

Farrell, Troy W., Please, Colin P., McElwain, Sean, & Swinkels, Dominicus (2000) Primary alkaline battery cathodes a three-scale model. Journal of the Electrochemical Society, 147(11), pp. 4034-4044.

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A mathematical model for the galvanostatic discharge and recovery of porous, electrolytic manganese dioxide cathodes, similar to those found within primary alkaline batteries is presented. The phenomena associated with discharge are modeled over three distinct size scales, a cathodic (or macroscopic) scale, a porous manganese oxide particle (or microscopic) scale, and a manganese oxide crystal (or submicroscopic) scale. The physical and chemical coupling between these size scales is included in the model. In addition, the model explicitly accounts for the graphite phase within the cathode. The effects that manganese oxide particle size and proton diffusion have on cathodic discharge and the effects of intraparticle voids and microporous electrode structure are predicted using the model.

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17 citations in Web of Science®
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ID Code: 25825
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: Alkaline battery, Mathematical modelling, Cathode, Transport modelling, Multi-scale modelling
DOI: 10.1149/1.1394015
ISSN: 0013-4651
Subjects: Australian and New Zealand Standard Research Classification > MATHEMATICAL SCIENCES (010000) > APPLIED MATHEMATICS (010200) > Applied Mathematics not elsewhere classified (010299)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 2000 The Electrochemical Society
Deposited On: 22 Jun 2009 01:44
Last Modified: 08 Jul 2017 19:01

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