H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 10/26 (2006.01) H01B 1/12 (2006.01) H01M 2/16 (2006.01) H01M 4/00 (2006.01) H01M 4/02 (2006.01) H01M 6/22 (2006.01) H01M 10/10 (2006.01) H01M 4/62 (2006.01) H01M 10/40 (2006.01)
Patent
CA 2231384
Disclosed is a novel hybrid polymeric electrolyte formed of a closed-cell cellular polymer foam impreg- nated with a non-aqueous electrolytic liquid, which comprises a plurality of closed cells defined by cell walls constituting a continuous solid-phase matrix which is impregnated with the non-aqueous electrolytic liquid to form a continuous solid-phase domain, in which the plurality of closed cells are substantially filled with a non-aqueous electrolytic liquid to form a plurality of liquid phase domains which are dispersed in the above-mentioned continuous solid-phase domain. The hybrid polymeric electrolyte of the present inven- tion has not only high ionic conductivity and high mechanical strength, but also has the ability to prev- ent the non-aqueous electrolytic liquid from leakage, so that the electrolyte of the present invention can be advantageously used in various non-aqueous electrochem- ical devices. That is, the non-aqueous electrochemical device comprising the hybrid polymeric electrolyte of the present invention exhibits not only excellent electrochemical performance, but also has high ability to retain an electrolytic liquid therein, so that the electrochemical device has excellent safety and is highly reliable in practical use thereof.
L'invention concerne un électrolyte solide polymère composite préparé par imprégnation d'une mousse polymère unicellulaire avec un électrolyte. Une matrice polymère constituée de parois cellulaires définissant des alvéoles fermées est imprégnée avec un électrolyte non aqueux, des domaines continus de phase solide sont formés et les alvéoles fermées sont pratiquement remplies d'électrolyte non aqueux. Un dispositif électrochimique non aqueux, tel qu'une cellule non aqueuse, des constituants destinés à un élément galvanique comme des électrodes, etc., mettant en oeuvre l'électrolyte solide sont également décrits. Cet électrolyte solide présente une conductivité ionique et une résistance mécanique élevées. La solution non aqueuse contenue dans les alvéoles fermées ne fuit pratiquement pas. Ainsi, le dispositif électrochimique non aqueux mettant en oeuvre l'électrolyte solide possède un excellent rendement électrochimique ainsi que d'excellentes caractéristiques de contenance de l'électrolyte, et est extrêmement fiable et sûr.
Ikeda Masanori
Imauti Toshio
Kuroki Masakatsu
Minakata Takashi
Asahi Kasei Emd Corporation
Asahi Kasei Kogyo Kabushiki Kaisha
Goudreau Gage Dubuc
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