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    • 44. 发明申请
    • Synthesis of cathode active materials
    • 正极活性物质的合成
    • US20050260494A1
    • 2005-11-24
    • US10850003
    • 2004-05-20
    • Biying HuangJeffrey SwoyerM. SaidiHaitao Huang
    • Biying HuangJeffrey SwoyerM. SaidiHaitao Huang
    • H01M4/36H01M4/48H01M4/485H01M4/58H01M4/62
    • H01M4/5825C01B25/45H01M4/364H01M4/485H01M4/5815H01M4/622
    • The present invention relates to a method for preparing an electroactive metal polyanion or a mixed metal polyanion comprising forming a slurry comprising a polymeric material, a solvent, a polyanion source or alkali metal polyanion source and at least one metal ion source; heating said slurry at a temperature and for a time sufficient to remove the solvent and form an essentially dried mixture; and heating said mixture at a temperature and for a time sufficient to produce an electroactive metal polyanion or electroactive mixed metal polyanion. In an alternative embodiment the present invention relates to a method for preparing a metal polyanion or a mixed metal polyanion which comprises mixing a polymeric material with a polyanion source or alternatively an alkali metal polyanion source and a source of at least one metal ion to produce a fine mixture and heating the mixture to a temperature higher than the melting point of the polymeric material, milling the resulting material and then heating the milled material. It is another object of the invention to provide electrochemically active materials produced by said methods. The electrochemically active materials so produced are useful in making electrodes and batteries.
    • 本发明涉及一种制备电活性金属聚阴离子或混合金属聚阴离子的方法,包括形成包含聚合材料,溶剂,聚阴离子源或碱金属聚阴离子源和至少一种金属离子源的浆料; 在足以除去溶剂并形成基本上干燥的混合物的温度和时间下加热所述浆料; 并在足以产生电活性金属聚阴离子或电活性混合金属聚阴离子的温度和时间下加热所述混合物。 在替代实施方案中,本发明涉及一种制备金属聚阴离子或混合金属聚阴离子的方法,其包括将聚合材料与聚阴离子源或者碱金属聚阴离子源和至少一种金属离子源混合以产生 精细混合物并将混合物加热到高于聚合物材料的熔点的温度,研磨所得材料,然后加热研磨的材料。 本发明的另一个目的是提供通过所述方法生产的电化学活性材料。 所生产的电化学活性材料可用于制造电极和电池。