Effects of ionomer films on secondary alkaline zinc electrodes

Three low cost zinc-ionomers that are directly in contact with zinc electrodes are found to greatly impede the dissolution of zinc discharge products into electrolyte. This reduces the dendritic growth and shape change of the zinc electrodes. Discharge experiments with constant current, anodic polar...

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Bibliographic Details
Published in:Journal of power sources 1998-06, Vol.73 (2), p.266-270
Main Authors: Zhu, JiLing, Zhou, YunHong
Format: Article
Language:English
Subjects:
Applied sciences
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Exact sciences and technology
Ionomers
Rechargeable batteries
Styrot-acrylic acid copolymer
Zinc electrodes
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Summary:Three low cost zinc-ionomers that are directly in contact with zinc electrodes are found to greatly impede the dissolution of zinc discharge products into electrolyte. This reduces the dendritic growth and shape change of the zinc electrodes. Discharge experiments with constant current, anodic polarization experiments and charge–discharge studies are carried out to assess the performance of these ionomers. Scanning electron microscopy is also applied to examine the morphology of the surface of the zinc electrodes before and after 50 charge–discharge cycles.
ISSN:0378-7753
1873-2755
DOI:10.1016/S0378-7753(98)00010-X