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    • 57. 发明公开
    • Synthesis of metal compounds useful as cathode active materials
    • 的是适合于用作阴极活性材料的金属化合物的合成
    • EP2583939A2
    • 2013-04-24
    • EP13152075.1
    • 2003-05-06
    • Valence Technology (Nevada), Inc.
    • Barker, JeremySaidi, Yazid, M.Swoyer, JeffreyDong, Ming
    • C01B25/45C01G31/00C01G31/02C01G39/00C01G39/02H01M4/485H01M4/505H01M4/58
    • C01B25/45C01B25/445C01B32/05C01G39/00C01G39/02H01M4/0471H01M4/485H01M4/505H01M4/525H01M4/5825
    • A solid state method for synthesizing a reduced inorganic metal compound of the invention comprises the steps of: (i) combining starting materials free of lithium and comprising one or more metal compounds and at least one source of reducing carbon to form a mixture; and (ii) heating the mixture at a temperature and for a time sufficient to form a reaction product comprising the reduced inorganic metal compound; wherein at least one metal of the starting materials is reduced in oxidation state during heating. Furthermore, a method of preparing a finely dispersed mixture of electrochemically active material and a conductive carbon of the invention comprises the steps of: (i) preparing a mixture comprising at least one alkali metal compound, at least one metal compound, and a carbon-containing composition selected from the group consisting of elemental carbon and an organic material; and (ii) heating the mixture for a time and at a temperature sufficient to form a reaction product.
    • 用于合成本发明的降低的无机金属化合物的固态方法,包括以下步骤:(ⅰ)无锂和包含一种或多种金属化合物和还原性碳,以形成混合物中的至少一个源的起始材料组合; 和(ii)的温度下加热和足够的时间,以形成反应产物,其包括还原的无机金属化合物的混合物; worin起始材料中的至少一种金属在加热过程中在氧化态降低。 进一步,制备的电化学活性材料的细分散的混合物和本发明的导电性碳的方法包括以下步骤:(i)制备包含至少一种碱金属化合物,至少一种金属化合物的混合物,以及碳 - 选自元素碳和有机材料的组合物含有选择; 和(ii)加热一段时间,并在足以形成反应产物的温度下该混合物。