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发明名称
制造用于电池之锂过渡金属多价阴离子粉末的改良方法
摘要
本发明是关于制造用于锂离子电池正极之改良粉末的方法,其中粉末包含锂、钒和磷酸盐。方法包括形成含高沸点溶剂的前驱物悬浮液及加热悬浮液达250℃至400℃之间的反应温度,以将前驱物转化成预定固体产物。分离悬浮液中的固体产物后,以更高温度加热来结晶化产物。所得产物仍具小粒子尺寸,故不需再进行研磨或其他处理将产物减小成电池适用的粒子大小。
申请公布号
TW200906715
申请公布日期
2009.02.16
申请号
TW097117120
申请日期
2008.05.09
申请人
科诺可菲力普斯公司
发明人
毛振华
分类号
C01B25/45(2006.01);H01M4/58(2006.01);H01M4/04(2006.01);H01M10/40(2006.01)
主分类号
C01B25/45(2006.01)
代理机构
代理人
桂齐恒;阎启泰
主权项
地址
美国
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