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    • 9. 发明申请
    • BATTERY GRADE CATHODE COATING FORMULATION
    • 电池等级阴极涂层配方
    • WO2012006725A1
    • 2012-01-19
    • PCT/CA2011/000811
    • 2011-07-15
    • PHOSTECH LITHIUM INC.LIANG, GuoxianDUFOUR, Jasmin
    • LIANG, GuoxianDUFOUR, Jasmin
    • H01M4/58C01B25/45C01B25/30
    • C01B25/45H01M4/1397H01M4/5825H01M4/625Y10T428/2982Y10T428/2991
    • The invention relates to a process for preparing a battery grade formulation comprising a carbon-deposited alkali metal phosphate, comprising a milling step of the carbon-deposited alkali metal phosphate C-A a M m (XO 4 ) x in the form of strong agglomerates. The milling step is performed in the presence of a solvent used for battery electrode coating. The carbon-deposited alkali metal phosphate is composed of particles of a compound corresponding to the general formula A a M m (XO 4 ) x which have an olivine structure and which carry, on at least a portion if their surface, a film of carbon deposited by pyrolysis, the general formula A a M m (XO 4 ) x being such that: A represents Li alone or partially replaced by at most 20% as atoms of Na and/or K, and 0 4 represents PO 4 alone or partially replaced by at most 30 mol% of at least one selected from SO 4 and SiO 4 , and 0
    • 本发明涉及一种制备包含碳沉积的碱金属磷酸盐的电池级制剂的方法,其包括以强附聚物形式的碳沉积的碱金属磷酸盐C-AaMm(XO4)x的研磨步骤。 研磨步骤在用于电池电极涂覆的溶剂的存在下进行。 碳沉积的碱金属磷酸盐由对应于具有橄榄石结构的通式AaMm(XO4)x的化合物的颗粒组成,并且在至少一部分表面上承载通过热解沉积的碳膜, 通式AaMm(XO4)x使得:A表示单独的Li或部分被Na和/或K的原子替代为至多20%,并且0