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Mathematical modeling of a primary zinc/air batteryThe mathematical model developed by Sunu and Bennion has been extended to include the separator, precipitation of both solid ZnO and K2Zn(OH)4, and the air electrode, and has been used to investigate the behavior of a primary Zn-Air battery with respect to battery design features. Predictions obtained from the model indicate that anode material utilization is predominantly limited by depletion of the concentration of hydroxide ions. The effect of electrode thickness on anode material utilization is insignificant, whereas material loading per unit volume has a great effect on anode material utilization; a higher loading lowers both the anode material utilization and delivered capacity. Use of a thick separator will increase the anode material utilization, but may reduce the cell voltage.
Document ID
19920051523
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Mao, Z.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
White, R. E.
(Texas A & M University College Station, United States)
Date Acquired
August 15, 2013
Publication Date
April 1, 1992
Publication Information
Publication: Electrochemical Society, Journal
Volume: 139
ISSN: 0013-4651
Subject Category
Energy Production And Conversion
Accession Number
92A34147
Distribution Limits
Public
Copyright
Other

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