C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 27/16 (2006.01) C08K 3/24 (2006.01) C08K 5/09 (2006.01) H01M 4/00 (2006.01) H01M 4/62 (2006.01)
Patent
CA 2193935
A vinylidene fluoride polymer binder solution for forming an electrode for a non-aqueous-type battery is formed by adding an acid, preferably an organic acid, as a stabilizer to a solution of a vinylidene fluoride polymer in an organic solvent. The acid is preferably added in an amount sufficient to ensure a pH of at most 9 when measured with respect to a 10-times dilution of the binder solution with deionized water. The acid addition is effective for preventing a problematic viscosity increase in the binder solution and also gelling of an electrode-forming composition formed by adding a powdery electrode material in the binder solution.
Horie Katsuo
Kashio Hidetora
Katsurao Takumi
Nagai Aisaku
Shibata Fumio
Fetherstonhaugh & Co.
Kureha Corporation
Kureha Kagaku Kogyo Kabushiki Kaisha
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