Process for producing spinel type lithium manganate

Details Process for producing spinel type lithium manganate Process for producing spinel type lithium manganate

C - Chemistry, Metallurgy

01

G

C01G 45/12 (2006.01) C01G 45/00 (2006.01) H01M 2/32 (2006.01) H01M 10/38 (2006.01) H01M 4/50 (2006.01)

Patent

CA 2303226

A process of producing spinet-type lithium manganate which is characterized by comprising pulverizing electrodeposited manganese dioxide, neutralizing the powder with sodium hydroxide or sodium carbonate to a pH of 2 or higher, mixing the electrolytic manganese dioxide with a lithium raw material, and firing the mixture.

L'invention concerne un procédé pour produire du manganate de lithium du type des spinelles, caractérisé en ce que, premièrement, on mélange une substance à base de lithium avec un dioxyde de manganèse électrolytique en procédant par la pulvérisation du manganèse précipité par électrolyse et par sa neutralisation avec de l'hydroxyde de sodium ou du carbonate de sodium jusqu'à l'obtention d'un pH égal ou supérieur à 2 et, deuxièmement, on brûle le mélange obtenu.

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