Compositions – Electrically conductive or emissive compositions – Elemental carbon containing
Reexamination Certificate
2006-05-30
2006-05-30
Kopec, Mark (Department: 1751)
Compositions
Electrically conductive or emissive compositions
Elemental carbon containing
C252S500000, C252S182100, C429S217000, C429S006000, C524S460000, C524S543000, C523S201000
Reexamination Certificate
active
07052629
ABSTRACT:
A binder for battery comprising composite polymer particles in which two or more polymers having different chemical structures form a heterogeneous phase structure. Preferably, said two or more polymers include two polymers having a glass transition temperature (Tg) different from each other by 5° C. or more. When a slurry prepared by mixing the binder with a liquid material and an active material is used for the production of an electrode for a secondary battery, especially, a lithium secondary battery, the resulting battery exhibits an improved performance because the slurry imparts a well-balanced binding power and a binding durability.
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Maeda Koichiro
Yamamoto Haruhisa
Kopec Mark
Vijayakumar Kallambella
Zeon Corporation
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