Basf Se Corporation

Junji Kashiwagi

Martin Schulz-Dobrick

Zhenji Han

Jumpei Nakayama

Daisuke Morita

Suhao Wei

Masatoshi Matsumoto

Hitoshi Fukumitsu

Process for making an at least partially coated electrode active material wherein said process comprises the following steps: (a) Providing an electrode active material according to general formula LiTMO, wherein TM is Ni and, optionally, at least one of Co and Mn, and, optionally, at least one element selected from Al, Mg, Ba and B, transition metals other than Ni, Co, and Mn, and x is in the range of from zero to 0.2, wherein at least 50 mole-% of the transition metal of TM is Ni, (b) treating said electrode active material with an aqueous formulation containing a compound of Me wherein Me is selected from Sb, Mg, Zn, Sn, and Te, (c) separating off the water, (d) treating the residue thermally.

Process for making an at least partially coated electrode active material

Growing community of inventors

Yamaguchi, Japan

Junji Kashiwagi