Quasi-solid polymer water solution system electrolyte film and its preparing method
An electrolyte membrane and polymer technology, applied in secondary battery parts and other directions, can solve problems such as low water content, reduce shedding, reduce battery leakage, and increase battery life.
Inactive Publication Date: 2005-08-03
BEIJING INSTITUTE OF TECHNOLOGYGY
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Abstract
The present invention relates to a kind of quasi-solid polymer aqua system electrolyte film unlike that in lithium ion cell and its preparation process. The quasi-solid polymer aqua system electrolyte film is specially for water solution electrolyte energy conversion system. Two or more kinds of polymer material and additive are prepared into solid polymer electrolyte film through emulsification, film coating, drying and other steps, and there are at least a kind of polymer material without swelling in alkali aqua and at least a kind of strong hydroscopic resin. The solid polymer electrolyte film has the advantages of powerful electrolyte liquid maintaining capacity, high conductivity, high stability, etc. and can raise the circulating service life of cell and capacity, lower self discharge, avoid liquid leakage and simplify technological process.
Application Domain
Secondary cell details
Technology Topic
Solution systemHigh conductivity +14
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