Use of a stable form of limno2 as cathode in lithium cell

Details Use of a stable form of limno2 as cathode in lithium cell Use of a stable form of limno2 as cathode in lithium cell

H - Electricity

01

M

H01M 4/24 (2006.01) H01M 4/26 (2006.01)

Patent

CA 2163182

The invention disclosed relates to a new method of forming spinel-related .lambda.-Li2-xMn2O4, wherein 0 ~ x ~ 2, solely by electrochemical means with air-stable orthorhombic LiMnO2 as the starting material. This spinel- related material is hydroscopic, metastable and is typically made by chemical means, followed by electrochemical conversion of spinel-type LiMn2O4. Also disclosed are new secondary lithium ion electrochemical cells employing as initial active cathode material a compound of formula LiMnO2, having a specific orthorhombic crystal structure.

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