发明公开
EP0996591A1 PROCEDE DE PREPARATION D'OXYDE DE METAL DE TRANSITION LITHIE OU SURLITHIE, MATERIAU ACTIF D'ELECTRODE POSITIVE COMPRENANT CET OXYDE, ET ACCUMULATEUR
有权
用于生产OR锂化过渡金属氧化物ÜBERLITHIERTEM这种活性材料的正极和电池含
- 专利标题： PROCEDE DE PREPARATION D'OXYDE DE METAL DE TRANSITION LITHIE OU SURLITHIE, MATERIAU ACTIF D'ELECTRODE POSITIVE COMPRENANT CET OXYDE, ET ACCUMULATEUR
- 专利标题（英）： Erfahren zur herstellung
- 专利标题（中）： 用于生产OR锂化过渡金属氧化物ÜBERLITHIERTEM这种活性材料的正极和电池含
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申请号： EP99915800.9申请日： 1999-04-14
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公开(公告)号： EP0996591A1公开(公告)日： 2000-05-03
- 发明人: BOURBON, Carole , LE CRAS, Frédéric , ROUPPERT, Franck , BLOCH, Didier
- 申请人： COMMISSARIAT A L'ENERGIE ATOMIQUE
- 申请人地址： 31-33, rue de la Fédération 75015 Paris FR
- 专利权人： COMMISSARIAT A L'ENERGIE ATOMIQUE
- 当前专利权人： COMMISSARIAT A L'ENERGIE ATOMIQUE
- 当前专利权人地址： 31-33, rue de la Fédération 75015 Paris FR
- 代理机构： Audier, Philippe André
- 优先权： FR9804626 19980414
- 国际公布： WO9952824 19991021
- 主分类号： C01G45/00
- IPC分类号： C01G45/00 ; C01G31/00 ; C01G51/00 ; C01G53/00 ; C01G23/053 ; H01M4/48 ; H01M4/50 ; H01M4/52
摘要：
The invention concerns a method for making transition metal oxide containing lithium or extra lithium comprising the three following steps performed successively or simultaneously: Preparing a lithium alkoxide solution by dissolving metal lithium in corresponding alcohol, said alcohol being selected among alcohols derived from linear or branched alkanes containing at least 3 carbon atoms, the alcohols derived from unsaturated aliphatic hydrocarbons, and their mixtures; adding a transition metal oxide powder to said lithium alkoxide solution to obtain a dispersion; controlled reduction of said transition metal oxide by said lithium alkoxide until a transition metal oxide containing lithium or extra lithium is obtained having a specific stoichiometry Li:Metal; Said method further consists in the following steps: evaporating the residual alcohol; washing the resulting powder; drying the powder.
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