Preparation and measurement of air electrodes for alkaline fuel cells

The optimum structure and materials for the gas diffusion layer of air electrodes for alkaline fuel cells were studied. These electrodes contain carbon black, pretreated in different ways ( e.g., boiling nitric acid, heat treatment in different atmospheres), and polytetrafluorethylene as a hydrophob...

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Bibliographic Details
Published in:Journal of power sources 1990, Vol.32 (3), p.233-241
Main Authors: Kivisaari, Juhani, Lamminen, Jaakko, Lampinen, Markku J., Viitanen, Minna
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
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Summary:The optimum structure and materials for the gas diffusion layer of air electrodes for alkaline fuel cells were studied. These electrodes contain carbon black, pretreated in different ways ( e.g., boiling nitric acid, heat treatment in different atmospheres), and polytetrafluorethylene as a hydrophobic binder. The samples prepared were studied by different methods, e.g., air permeability, electrical conductivity and porosity. Heat-treated cobalttetramethoxyphenylporphyrine was used as catalyst in the active layer.
ISSN:0378-7753
1873-2755
DOI:10.1016/0378-7753(90)87016-K