Electrode comprising a modified complex oxide as active...

Details Electrode comprising a modified complex oxide as active... Electrode comprising a modified complex oxide as active...

H - Electricity

01

M

H01M 4/62 (2006.01) H01M 4/13 (2010.01) H01M 4/139 (2010.01) H01M 4/485 (2010.01) H01M 4/505 (2010.01) H01M 4/525 (2010.01) H01M 4/58 (2010.01) H01M 4/131 (2010.01) H01M 4/1391 (2010.01) H01M 4/36 (2006.01) H01M 4/40 (2006.01)

Patent

CA 2739699

The subject of the invention is an electrode comprising an electrically conducting support carrying an electrode material, which comprises an active substance consisting of particles of a complex oxide which at their surface carry organic phosphorous groups fixed by covalent bonding. The complex oxide may be LiV3O8, LiMn2O4, LiCoO2, LiMPO4 with M = Fe, Mn or Co, Li2MSiO4 with M = Fe, Mn or Co, LiFeBO3, Li4Ti5O12, LiMn2O4, LiNi1-y-zMnyCozAltO2 (0 < y < 1; 0 < z < 1; 0 < t < 1), V2O5, MnO2, LiFePO4F, Li3V2(PO4)3, and LiVPO4F. The electrode is useful in particular for lithium batteries.

L'invention a pour objet une électrode comprenant un support conducteur électrique portant un matériau d'électrode, qui comprend une matière active constituée par des particules d'un oxyde complexe qui portent à leur surface des groupes organiques phosphores fixés par liaison covalente. L'oxyde complexe peut être LiV3O8, LiMn2O4, LiCoO2, LiMPO4 avec M= Fe, Mn ou Co, Li2MSiO4 avec M = Fe, Mn ou Co, LiFeBO3, Li4Ti5O12, LiMn2O4, LiN1-y-z Mn y Co z Al t O2 (0 < y< 1; 0< z< 1; 0< t < 1), V2O5, MnO2, LiFePO4F, Li3V2(PO4)3, et LiVPO4F. L'électrode est utile notamment pour les batteries au lithium.

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