-
公开(公告)号:US10707486B2
公开(公告)日:2020-07-07
申请号:US15751308
申请日:2016-08-10
申请人: BASF SE
IPC分类号: H01M4/52 , H01M4/525 , C01G53/00 , H01M4/505 , H01M4/131 , C01G53/04 , H01M10/0525 , H01M10/0567 , H01M10/42 , H01M10/052 , H01M4/02
摘要: The present invention is directed towards a process for making a particulate material according to the general formula (I): NiaCObMncMd(O)x(OH)y, wherein M is selected from Al and Ti, x is in the range of from 0.01 to 0.9, y is in the range of from 1.1 to 1.99, a is in the range of from 0.3 to 0.85, b is in the range of from 0.05 to 0.4, c is in the range of from 0.1 to 0.5, d is in the range of from 0.001 to 0.03, with a+b+c+d=1 said process comprising the following steps: (a) providing an aqueous slurry of particles of aluminum hydroxide or titanium dioxide, (b) adding an aqueous solution of water-soluble salts of nickel, cobalt and manganese and a solution of alkali metal hydroxide to the slurry according to step (a), thereby co-precipitating a layer of a mixed hydroxide of nickel and cobalt and manganese hydroxide on the particles according to step (a), (c) removing particles of (NiaCObMncAld)(OH)2+d or (NiaCObMncTid)(OH)2+2d so obtained and drying them in the presence of oxygen.