Precursors of cathode materials for a rechargeable lithium ion battery
AssigneesUmicore AG & Co. KG, Umicore Korea Ltd.
InventorsDae-Hyun KIM, Jens PAULSEN, JinDoo OH, Maxime BLANGERO
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Abstract
A cobalt based hydroxide carbonate precursor compound of a lithium cobalt based oxide, which is usable as an active positive electrode material in lithium ion batteries is described. The compound comprises a doped malachite-rosasite mineral structure and has a general formula [Co1-aAa]2(OH)2CO3, wherein A is one or more of Ni, Mn, Al, Ti, Zr and Mg, with a≤0.05.
Claims6
A cobalt based hydroxide carbonate precursor compound of a lithium cobalt based oxide usable as an active positive electrode material in lithium ion batteries, said compound comprising a doped malachite-rosasite mineral structure having the general formula [CO1-aAa]2(OH)2CO3, A being one or more of Ni, Mn, Al, Ti, Zr and Mg, with a≤0.05.
Dependencies are inferred from the claim text.