About 54 results
https://drivepatents.com/patents/1110447 · 5 Sep 2001
A positive electrode active material for a nonaqueous electrolyte secondary battery includes at least a lithium-containing manganese layered composite oxide represented by the general formula Li1-xMn1-yMyO2-δ. The lithium-containing manganese composite ox...
https://drivepatents.com/patents/1110428 · 5 Sep 2001
A positive electrode active material for a nonaqueous electrolyte secondary battery includes at least a lithium-deficient manganese layered composite oxide represented by the general formula Li1-xMnO2- delta . A lithium deficiency quantity x is in the rang...
https://drivepatents.com/patents/1110425 · 5 Sep 2001
A positive electrode active material for a nonaqueous electrolyte secondary battery includes at least a lithium-containing manganese layered composite oxide represented by the general formula Li1-xMO2-y-δFy. The second metallic element or constituent M ma...
https://drivepatents.com/patents/1111624 · 18 Jul 2001
A method for preparing lithium manganate having spinel structure which comprises contacting a manganese halide and lithium at a temperature of 100°C or less in a liquid phase to react with each other; a lithium manganate which is prepared according to the...