基本信息:
- 专利标题: ALUMINUM DRY-COATED AND HEAT TREATED CATHODE MATERIAL PRECURSORS
- 专利标题(中):铝干涂层和热处理阴极材料前驱体
- 申请号:PCT/EP2011/063456 申请日:2011-08-04
- 公开(公告)号:WO2012022624A1 公开(公告)日:2012-02-23
- 发明人: PAULSEN, Jens , KIM, JiHye , HONG, HeonPyo
- 申请人: UMICORE , PAULSEN, Jens , KIM, JiHye , HONG, HeonPyo
- 申请人地址: Umicore Rue du Marais 31 B-1000 Brussels BE
- 专利权人: UMICORE,PAULSEN, Jens,KIM, JiHye,HONG, HeonPyo
- 当前专利权人: UMICORE,PAULSEN, Jens,KIM, JiHye,HONG, HeonPyo
- 当前专利权人地址: Umicore Rue du Marais 31 B-1000 Brussels BE
- 代理机构: KNOCKAERT, Guy
- 优先权: US61/344,555 20100820; EP10008563.8 20100817
- 主分类号: H01M4/505
- IPC分类号: H01M4/505 ; H01M4/525 ; C01G53/00
摘要:
Aluminum dry-coated and heat treated cathode material precursors. A particulate precursor compound for manufacturing an aluminum coatedlithium transition metal (M)-oxide powder usable as an active positive electrode material in lithium-ion batteries includes a transition metal (M)-oxide core and a non-amorphous aluminum oxide coating layercovering the core. By providing a heat treatment process for mixed metal precursors that may be combined with an aluminum dry-coating process, novel aluminum containing precursors that may be used to form high quality nickel based cathode materials are obtained. The aluminum dry-coated and heat treated precursors include particles have, compared to prior art precursors, relatively low impurity levels of carbonate and/or sulfide, and can be produced at lower cost.
摘要(中):
铝干涂和热处理阴极材料前体。 用作锂离子电池中可用作活性正极材料的铝包覆的锂过渡金属(M) - 氧化物粉末的颗粒前体化合物包括过渡金属(M) - 氧化物核和覆盖芯的非无定形氧化铝涂层 。 通过提供可以与铝干涂法组合的混合金属前体的热处理工艺,可以获得可用于形成高质量镍基阴极材料的新型含铝前体。 铝干涂和热处理的前体包括与现有技术的前体相比具有相对较低的碳酸盐和/或硫化物杂质水平的颗粒,并且可以以较低的成本生产。