Pregel compositions for polymer gel electrolytes, method of...

Details Pregel compositions for polymer gel electrolytes, method of... Pregel compositions for polymer gel electrolytes, method of...

2005-01-04

2005-01-04

Yuan, Dah-Wei (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

C429S188000, C429S300000, C429S309000

Reexamination Certificate

active

06838211

ABSTRACT:
A pregel composition is added to an organic electrolyte solution of an electrolyte salt in a nonaqueous solvent for causing the solution to gel and form a polymer gel electrolyte. The pregel composition is dehydrated by azeotropic distillation and has a moisture content of not more than 1,000 ppm as determined by Karl Fischer titration. Polymer gel electrolytes prepared with such a pregel composition have a good electrochemical stability, and are thus highly suitable for use in secondary cells and electrical double-layer capacitors.

REFERENCES:
patent: 6190805 (2001-02-01), Takeuchi et al.
patent: 10-334730 (1998-12-01), None
patent: 11-217350 (1999-08-01), None

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