Carbon-coated lithium titanium spinel

Details Carbon-coated lithium titanium spinel Carbon-coated lithium titanium spinel

H - Electricity

01

M

H01M 4/131 (2010.01) H01M 4/485 (2010.01) C01G 23/00 (2006.01) C01G 23/04 (2006.01)

Patent

CA 2738853

The present invention relates to a carbon-containing lithium titanium oxide containing spherical particle aggregates with a diameter of 1-80 µm, consisting of lithium titanium oxide primary particles coated with carbon. The present invention further relates to a method for the production of such a carbon-containing lithium titanium oxide as well as an electrode containing such a carbon-containing lithium titanium oxide as active material as well as a lithium-ion secondary battery containing an above-described electrode.

La présente invention concerne un oxyde de titane lithié carboné contenant des agrégats de particules sphériques présentant un diamètre compris entre 1 et 80 µm, ces agrégats étant constitués de particules primaires d'oxyde de titane lithié revêtues de carbone. L'invention concerne en outre un procédé de préparation d'un oxyde de titane lithié carboné de ce type, ainsi qu'une électrode contenant comme matière active un oxyde de titane lithié carboné de ce type et une batterie lithium-ion secondaire contenant cette électrode.

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