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公开(公告)号：EP3327048B1
公开(公告)日：2019-02-13
申请号：EP17206530.2
申请日：2013-10-25
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公开(公告)号：EP3327048A1
公开(公告)日：2018-05-30
申请号：EP17206530.2
申请日：2013-10-25
发明人： Komaba, Shinichi , Yabuuchi, Naoaki , Han, Zhen-Ji , Sasaki, Takeo , Hashimoto, Shota , Okamoto, Kuniaki , Maesawa, Tsuneaki
IPC分类号： C08F220/06 , C08G59/40 , C08G18/02 , C08L63/00 , H01M4/134 , H01M4/38 , H01M4/62 , C08K5/00 , C08L33/02 , C08L79/00 , H01M10/052
CPC分类号： H01M4/622 , C08F122/02 , C08G18/025 , C08G59/40 , C08K5/0025 , C08L33/02 , C08L63/00 , C08L79/00 , H01M4/134 , H01M4/386 , H01M4/625 , H01M10/052 , H01M10/0525 , H01M2004/027 , H01M2220/20 , C08F220/06 , C08F222/1006
摘要： The present invention relates to
(1) a use of a polyacrylic acid cross-linked by a cross-linking agent selected from the compounds described in the general formulae [1] to [11], provided that the one which includes a functional group-containing vinylidene fluoride-based polymer is excluded, in a binder for a lithium cell, wherein the viscosity of the cross-linked polyacrylic acid is 0.03 to 10 kgm -1 s -1 [30 to 10000 mPa S] under 60 rpm of a rotational viscosimeter, or 10 to 400 kgm -1 s -1 [10000 to 400000 mPa S] under 0.6 rpm of a rotational viscosimeter, when measured at 20 to 25 °C, provided that the viscosity is measured in a dispersed solution of the cross-linked polyacrylic acid in water in a concentration of 1 % by weight; and to
(2) a use of a polyacrylic acid cross-linked by a cross-linking agent selected from the compounds described in the general formulae [1] to [11], provided that the one which includes a functional group-containing vinylidene fluoride-based polymer is excluded, in a binder for a lithium cell, wherein an amount of the cross-linking agent is 0.001 to 0.5 % by mol, to 1 mol of acrylic acid.
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