H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 10/28 (2006.01)
Patent
CA 2296838
A rechargeable lithium battery comprising at least a cathode, a separator, an anode, and an electrolyte or electrolyte solution integrated in a battery housing, characterized in that said cathode is constituted by a specific powdery cathode active material having a large specific surface area and a primary particle size of 0.5 µm or less. The cathode active material is obtained in a manner of mixing a salt of a transition metal in and dissolving said salt in an aqueous solution containing at least a water-soluble polymer material to obtain a product, and baking said product to form said powdery cathode active material as said cathode active material of said cathode, or in another manner of mixing a salt of a transition metal in a monomer capable of forming at least a water-soluble polymer material, polymerizing said monomer to obtain a polymerized product, and baking said polymerized product to form a said powdery cathode active material as said cathode active material of said cathode. A process for the production of said rechargeable lithium battery.
Asao Masaya
Kawakami Soichiro
Kobayashi Naoya
Canon Kabushiki Kaisha
Ridout & Maybee Llp
LandOfFree
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