Cathode material for li-ion battery applications

Details Cathode material for li-ion battery applications Cathode material for li-ion battery applications

H - Electricity

01

M

H01M 4/02 (2006.01)

Patent

CA 2636380

A family of Li-ion battery cathode materials and methods of synthesizing the materials. The cathode material is a defective crystalline lithium transition metal phosphate of a specific chemical form. The material can be synthesized in air, eliminating the need for a furnace having an inert gas atmosphere. Excellent cycling behavior and charge/discharge rate capabilities are observed in batteries utilizing the cathode materials.

L'invention concerne une famille de matériaux de cathodes pour batteries Li-ion et des procédés de synthèse de ces matériaux. Le matériau de cathode est un phosphate d'un métal de transition à base de lithium cristallin contenant des défauts d'une forme chimique spécifique. Le matériau peut être synthétisé dans l'air, éliminant ainsi le besoin d'un four ayant une atmosphère de gaz inerte. Les batteries utilisant ces matériaux de cathode présentent un excellent comportement de cyclage et d'excellentes capacités de vitesse de charge/décharge.

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