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发明名称
正极用粉末及正极合剂
摘要
本发明的正极活性物质粉末系含有由一次粒子及一次粒子的凝聚粒子组成的正极活性物质粉末与由石墨粒子组成的石墨粉末,该正极活性物质粉末为其一次粒子及一次粒子的凝聚粒子之中,90%以上的粒子数目为粒径在0.01μm以上5μm以下的正极活性物质粉末,该石墨粉末系其石墨粒子之90%以上的粒子数目之粒径中,可表示最大值之粒径在0.1μm以上10μm以下的石墨粉末。将此正极用粉末使用于非水电解质二次电池中时,显示有高放电容量,并能以高电流率显示高输出功率。
申请公布号
TW200746516
申请公布日期
2007.12.16
申请号
TW096113750
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);H01M4/38(2006.01);H01M4/48(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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