Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Patent
1989-07-05
1991-03-12
Walton, Donald L.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
429206, 296232, H01M 200
Patent
active
049992651
ABSTRACT:
An electrolytic composition is disclosed which comprises an electrolyte mixture and a fluorescent additive. The fluorescent additive should be stable at the pH of the electrolyte mixture. In the preferred embodiment the fluorescent additive is a pyrene compound at a concentration of 0.1% by weight of the final composition. An improved electrochemical cell is also disclosed which incorporates the electrolytic composition of the present invention. A method for detecting spillage or leakage of electrolyte during manufacture of such an electrochemical cell is also disclosed utilizing the fluorescent character of the electrolytic composition of the present invention.
REFERENCES:
patent: 4052536 (1977-10-01), Lichtin
patent: 4222745 (1980-09-01), Cloyd
patent: 4675300 (1987-06-01), Zare et al.
Rayovac Corporation
Walton Donald L.
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