Pulse power characteristics of poly(3-methylthiophene) cathodes in Li(SO2)3AlCl4 electrolyte

Thin, electrically conducting poly(3-methylthiophene) (PMT) films were formed electrochemically and used as cathodes in rechargeable lithium/sulfur dioxide cells. The pulse power capabilities of 1.4 micron thick PMT films were studied in Li(SO2)3AlCl4 electrolyte. Current densities of 56 mA/sq cm we...

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Bibliographic Details
Published in:Journal of power sources 1991-11, Vol.36 (2), p.175-183
Main Author: WALKER, C. W
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:Thin, electrically conducting poly(3-methylthiophene) (PMT) films were formed electrochemically and used as cathodes in rechargeable lithium/sulfur dioxide cells. The pulse power capabilities of 1.4 micron thick PMT films were studied in Li(SO2)3AlCl4 electrolyte. Current densities of 56 mA/sq cm were measured 0.5 s after applying a 1.46 V potential step from open circuit to 2.0 V. Multiple four-second current pulses of 25 mA/sq cm with one-second rest periods between pulses were reproducible over many cycles. (Author)
ISSN:0378-7753
1873-2755
DOI:10.1016/0378-7753(91)80013-N