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发明名称
正极活物质粉末
摘要
本发明的正极活物质粉末系由一次粒子与一次粒子之凝聚粒子形成的正极活物质粉末,该粉末中的一次粒子与一次粒子的凝聚粒子之体积基准的平均粒径为0.1μm以上3μm以下,〔粒径5μm以上的粒子之体积和〕/〔全部粒子的体积和〕之百分率在10%以下,粉末的BET比表面积大于2M2/g且在7m2/g以下。将此正极活物质粉末使用于非水电解质二次电池中时,显示有高的放电容量,并且在高电流率(rate)中可显示出高输出功率。
申请公布号
TW200803018
申请公布日期
2008.01.01
申请号
TW096113751
申请日期
2007.04.19
申请人
住友化学股份有限公司
发明人
谷野一之;木玲子;吉田孝;川上义博
分类号
H01M4/02(2006.01);H01M4/52(2006.01);H01M10/40(2006.01)
主分类号
H01M4/02(2006.01)
代理机构
代理人
洪武雄;陈昭诚
主权项
地址
日本
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