Synthesis of lithium transition metal sulphides

Details Synthesis of lithium transition metal sulphides Synthesis of lithium transition metal sulphides

C - Chemistry, Metallurgy

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C01G 49/12 (2006.01) C01G 23/00 (2006.01) C01G 33/00 (2006.01) C01G 39/00 (2006.01) C01G 39/06 (2006.01) C01G 49/00 (2006.01)

Patent

CA 2436600

A process for the production of a lithium transition metal sulphide such as lithium iron sulphide, the process comprising reacting a transition metal sulphide with lithium sulphide in a solvent comprising a molten salt or a mixture of molten salts. Lithium transition metal sulphides obtained using this process are also claimed and are useful in the production of electrodes, in particular for rechargeable lithium batteries.

L'invention concerne un procédé permettant de produire un sulfure métallique de transition de lithium, tel qu'un sulfure de fer de lithium, le procédé consistant à faire réagir un sulfure métallique de transition avec un sulfure de lithium dans un solvant contenant un sel fondu ou un mélange de sels fondus. L'invention concerne également des sulfures métalliques de transition de lithium obtenus au moyen de ce procédé, ces derniers étant utiles pour la production d'électrodes, en particulier pour les batteries au lithium rechargeables.

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