Sanyo Chemical Industries, Ltd.

Nissan Motor Company Limited

Takuya Suenaga

Hideaki Horie

Yasuhiko Ohsawa

Hiroshi Akama

Hajime Satou

Yuki Kusachi

Kenichi Kawakita

Kotaro Nasu

Yusuke Mori

Tomoya Ohta

The present invention provides a viscous adhesive capable of retaining the shape of an electrode and allowing for production of an electrode for a lithium-ion battery having a structure in which the energy density of the electrode does not decrease. The present invention relates to a viscous adhesive for a lithium-ion electrode which allows active materials to adhere to each other in a lithium-ion electrode, the viscous adhesive having a glass transition temperature of 60&#xb0; C. or lower, a solubility parameter of 8 to 13 (cal/cm), and a storage shear modulus and a loss shear modulus of 2.0&#xd7;10to 5.0&#xd7;10Pa as measured in a frequency range of 10to 10Hz at 20&#xb0; C., wherein the viscous adhesive is an acrylic polymer essentially containing a constituent unit derived from a (meth)acrylic acid alkyl ester monomer, the proportion of the (meth)acrylic acid alkyl ester monomer in monomers constituting the viscous adhesive is 50 wt % or more based on the total monomer weight, and the proportion of a fluorine-containing monomer is less than 3 wt % based on the total monomer weight.

Adhesive for lithium-ion electrode, electrode for lithium-ion battery and method for manufacturing electrode for lithium-ion battery

The present invention provides a method of producing an electrode active material molded body for a lithium-ion battery suitable for the production of a lithium-ion battery, and a method of producing a lithium-ion battery using the electrode active material molded body, wherein the methods can reduce the time, work, equipment, and the like required for the production. The present invention provides a method of producing an electrode composition molded body for a lithium-ion battery, including: a molding step of molding a composition containing an electrode active material for a lithium-ion battery and an electrolyte solution into an electrode active material molded body for a lithium-ion battery as an unbound product of the electrode active material for a lithium-ion battery, wherein the composition has an electrolyte solution content of 0.1 to 40 wt % based on the weight of the composition.

Method for manufacturing electrode active material molding for lithium-ion battery and method for manufacturing lithium-ion battery

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Kyoto, Japan

Takuya Suenaga