H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 4/1391 (2010.01) H01M 4/04 (2006.01) H01M 10/0525 (2010.01)
Patent
CA 2525988
A positive electrode for use in a lithium cell formed from a positive electrode paste comprising a positive electrode active material represented by the following general formula (I), a binder ingredient comprising a water dispersible elastomer and a water soluble polymer as a viscosity improver, a dispersing agent and water as a dispersion medium, wherein the dispersing agent is one or more of materials selected from the group consisting of nonionic surfactant having a polyoxyethylene styrenated phenyl ether structure, polyvinyl pyrrolidone and sodium polycarboxylate salts: Li x MPO4 (I) and in the general formula (I) above, M represents at least one atom selected from the group consisting of Mn, Fe, Co, Ni, Cu, Mg, Zn, V, Ca, Sr, Ba, Ti, Al, Si, B and Mo, and 0 < x < 2.
Électrode positive destinée à une pile au lithium, constituée d'une pâte d'électrode positive comportant une matière active d'électrode positive de formule générale (I), un ingrédient liant comportant un élastomère hydrodispersible et un polymère hydrosoluble comme élément d'amélioration de la viscosité, un agent dispersant et de l'eau comme milieu de dispersion, l'agent dispersant étant au moins une des matières parmi le groupe constitué par les agents de surface non ioniques possédant une structure de polyoxyéthylène-styrène-oxyde de diphényle, de polyvinylpyrrolidone et de sel sodique de polycarboxylate : Li x MPO4 (I) et de formule (I) ci-dessus, M représentant au moins un des atomes parmi les suivants : Mn, Fe, Co, Ni, Cu, Mg, Zn, V, Ca, Sr, Ba, Ti, Al, Si, B et Mo, et 0 < x < 2.
Ishiko Eriko
Kono Michiyuki
Elexcel Corporation Ltd.
Kirby Eades Gale Baker
LandOfFree
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