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    • 9. 发明申请
    • LITHIUM METAL PHOSPHATES, METHOD FOR PRODUCING THE SAME AND USE THEREOF AS ELECTRODE MATERIAL
    • 锂金属磷酸盐,其生产方法及其作为电极材料的用途
    • US20110017947A1
    • 2011-01-27
    • US12897339
    • 2010-10-04
    • Gerhard NusplLucia WimmerMax Eisgruber
    • Gerhard NusplLucia WimmerMax Eisgruber
    • H01M4/88C01B25/45
    • H01M4/5825C01B25/45H01M4/625H01M10/0525H01M2004/021Y10T428/2982
    • The invention describes a process for producing a compound of the formula LiMPO.sub.4, in which M represents at least one metal from the first transition series, comprising the following steps: a) production of a precursor mixture, containing at least one Li.sup.+ source, at least one M.sup.2+ source and at least one PO.sub.4.sup.3− source, in order to form a precipitate and thereby to produce a precursor suspension; b) dispersing or milling treatment of the precursor mixture and/or the precursor suspension until the D90 value of the particles in the precursor suspension is less than 50 .mu.m; and c) the obtaining of LiMPO.sub.4 from the precursor suspension obtained in accordance with b), preferably by reaction under hydrothermal conditions. The material obtainable by this process has particularly advantageous particle size distributions and electrochemical properties when used in electrodes.
    • 本发明描述了一种制备式LiMPO 4的化合物的方法,其中M代表至少一种来自第一过渡系列的金属,包括以下步骤:a)制备含有至少一种Li 为了形成沉淀物,从而产生前驱物悬浮液,为了形成沉淀,从而产生前体悬浮液; b)分散或研磨前体混合物和/或前体悬浮液的处理,直到前体悬浮液中颗粒的D90值小于50微米; 和c)从根据b)获得的前驱物悬浮液中获得LiMPO 4,优选通过在水热条件下反应。 通过该方法可获得的材料在电极中使用时具有特别有利的粒度分布和电化学性质。