Polymer separator, manufacturing process and electrochemical...

H - Electricity – 01 – M

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H01M 2/16 (2006.01) H01M 10/40 (2006.01)

Patent

CA 2241950

The invention relates to a polymer separator for organic electrolyte electrochemical system. The separator consists of a) an elastomer polymer, b) optionally a polymer that swells with the organic electrolyte and with which the elastomer polymer forms a bond, and c) optionally an inorganic compound, the polymer separator having a microporous structure characterized by a porosity of between 30 and 95% and an average pore diameter of between 0.1 and 5 µm. The invention covers a process for manufacturing the previously described separator, the electrochemical generator containing it and the process for manufacturing the electrochemical generator containing it.

L'invention concerne un séparateur polymérique pour système électrochimique à électrolyte organique. Ce séparateur est constitué de a) un polymère élastomère, b) éventuellement un polymère qui gonfle avec l'électrolyte organique et avec lequel le polymère élastomère forme un alliage, et c) éventuellement un composé inorganique, le séparateur polymérique étant doté d'une structure microporeuse caractérisée par une porosité comprise entre 30 et 95 % et des pores d'un diamètre moyen compris entre 0,1 et 5 µm. L'invention s'étend en outre au procédé de fabrication du séparateur décrit précédemment, au générateur électrochimique le comprenant et au procédé de fabrication du générateur électrochimique le comprenant.

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