Separators for electrochemical cells

Details Separators for electrochemical cells Separators for electrochemical cells

H - Electricity

01

M

H01M 2/16 (2006.01) G01N 33/00 (2006.01) G01N 33/26 (2006.01) G01R 31/36 (2006.01) H01M 6/06 (2006.01) H01M 6/22 (2006.01) H01M 6/50 (2006.01)

Patent

CA 2222904

The invention provides a coated paper separator for use in an electrochemical cell, wherein A coating comprises a highly crosslinked starch and an etherified cellulose derivative as a gelling agent, such separators being useful to reduce gassing, for example.

L'invention concerne un séparateur sous forme d'un papier enduit, utile dans une pile à énergie électrochimique, l'enduction étant composée d'un amidon fortement réticulé, ainsi que d'un dérivé de cellulose éthérifié en tant qu'agent de gonflement, de tels séparateurs étant utiles pour réduire le dégagement gazeux, par exemple.

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