Method for preparing lithium manganate having spinel structure

Details Method for preparing lithium manganate having spinel structure Method for preparing lithium manganate having spinel structure

C - Chemistry, Metallurgy

01

G

C01G 45/00 (2006.01) C01G 45/12 (2006.01) H01M 4/50 (2006.01)

Patent

CA 2334377

A method for preparing lithium manganate having spinel structure which comprises preparing a manganese dioxide material by electrolytic deposition, neutralizing the manganese dioxide material with potassium hydroxide, potassium carbonate or lithium carbonate to thereby prepare an electrolytically deposited manganese dioxide, and then admixing the electrolytically deposited manganese dioxide with a lithium material and burning the resultant mixture.

L'invention concerne un procédé de préparation de manganate de lithium possédant une structure de spinelle, qui comporte les étapes consistant à: préparer une matière de dioxyde de manganèse par dépôt électrolytique; neutraliser la matière de dioxyde de manganèse à l'aide d'hydroxyde de potassium, de carbonate de potassium ou de carbonate de lithium pour obtenir un dioxyde de manganèse déposé par électrolyse; et mélanger ensuite le dioxyde de manganèse déposé par électrolyse avec une matière de lithium et brûler le mélange obtenu.

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