C - Chemistry – Metallurgy – 01 – G
Patent
C - Chemistry, Metallurgy
01
G
C01G 45/00 (2006.01) C01G 51/00 (2006.01) C01G 53/00 (2006.01) H01M 4/48 (2006.01) H01M 4/50 (2006.01)
Patent
CA 2295175
The invention relates to a method for producing mixed oxides with slightly variable electrochemical properties and spinel-type structures of formula (I): LixMeyMn2-yO4, in which Me is a metal cation from the II, III, IV, V and VI main groups or from the I, II, IV, V, VII or VIII subgroups of the periodic table of the elements, in particular a cation from the group of elements Al, Co, Cr, Fe, Ge, Mg, Nb, Ni, Sn, Ta, Te, V, W, Zn, and 0x2 and 0y2. The invention also relates to their use in producing manganese dioxide electrodes for galvanic cells, electrochemical cells, secondary batteries, in particular for prismatic and round cells.
L'invention concerne un procédé de fabrication d'oxydes mixtes à propriétés électrochimiques faiblement variables et de structures de type spinelle de formule (I): Li¿x?Me¿y?Mn¿2-y?O¿4?, dans laquelle Me désigne un cation métallique choisi dans le groupe principal II, III, IV, V et VI ou dans le sous-groupe I, II, IV, V, VII ou VIII de la Classification Périodique, en particulier un cation appartenant au groupe des éléments Al, Co, Cr, Fe, Ge, Mg, Nb, Ni, Sn, Ta, Te, V, W, Zn, et 0?x?2 et 0?y?2, ainsi que leur utilisation pour la fabrication d'électrodes en dioxyde de manganèse pour des éléments électrolytiques, des piles électrochimiques, des batteries secondaires, en particulier pour des piles prismatiques ou des piles rondes.
Heider Udo
Hilarius Volker
Raulin Dietmar
Fetherstonhaugh & Co.
Merck Patent Gesellschaft Mit Beschraenkter Haftung
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