| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an aqueous slurry for a negative electrode film of a non- aqueous secondary battery that is superior in handling safety and superior in adhesion between the current collector and the crystalline or flake graphite material as well as the synthetic carbon material such as refractory graphic carbon and mesophase carbon microbeads, and that has little degradation of the discharge capacity, and is superior in durability for charge and discharge cycle, and a control method of the slurry. <P>SOLUTION: This is a slurry of a basic structure in which the solid portion is a carbon material active substance and a binder and the medium is water, and the viscosity property of the slurry is γ=10<SP>κ</SP>×τ<SP>n</SP>in the relationship of the shear rate (γ s<SP>-1</SP>) and the shearing stress (τ Pa), wherein, κ is in the range -1.0--9.0 and n is 1.1-4.5. <P>COPYRIGHT: (C)2003,JPO |
