Manganese oxide compound

Details Manganese oxide compound Manganese oxide compound

C - Chemistry, Metallurgy

01

G

C01G 45/02 (2006.01) C01G 45/00 (2006.01) H01M 4/50 (2006.01) H01M 6/06 (2006.01) H01M 10/40 (2006.01)

Patent

CA 2042130

ABSTRACT The invention provides a hydrogen manganese oxide compound. It has manganese cations and oxygen anions arranged in a framework having a hollandite-type structure and defining channels. Cations in the channels are confined to manganese, hydrogen and/or lithium cations. The ionic ratios of lithium:manganese cations and of hydrogen:manganese cations are respectively at most 0,05:1 and at least 0,01:1,00. The invention also provides a method of making said compound; a lithium manganese oxide compound derived from said hydrogen manganese oxide compound and a method of synthesising it therefrom; and electrochemical cells employing said hydrogen manganese oxide and lithium manganese oxide compounds as active cathode materials.

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