发明名称 |
CATHODE ACTIVE MATERIAL PRECURSOR PARTICLE, METHOD FOR PRODUCING THEREOF AND METHOD FOR PRODUCING CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY |
摘要 |
A cathode active material precursor particle, a method for producing thereof and a method for producing cathode active material for a lithium secondary battery. The cathode active material precursor particle is capable of forming a cathode active material for a lithium secondary battery including a lithium composite oxide having a layered rock salt structure through lithium incorporation. The particles are characterized by the cathode active material precursor particle being formed into a substantially spherical shape and includes therein a large number of voids in a substantially uniform manner; and the cathode active material precursor particle has: an average particle diameter D50 of 0.5 to 5 μm; a specific surface area of 3 to 25 m2/g; and a relative tap density, which is a value obtained by dividing a tap density by a theoretical density of a material constituting the cathode active material precursor particle, of 0.25 to 0.4.
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申请公布号 |
US2013071748(A1) |
申请公布日期 |
2013.03.21 |
申请号 |
US201213613794 |
申请日期 |
2012.09.13 |
申请人 |
OKADA SHIGEKI;SUGIURA RYUTA;URAKAWA AKIRA;MAEDA KAZUKI;NANATAKI TSUTOMU;NGK INSULATORS, LTD. |
发明人 |
OKADA SHIGEKI;SUGIURA RYUTA;URAKAWA AKIRA;MAEDA KAZUKI;NANATAKI TSUTOMU |
分类号 |
H01M4/525;B02C11/08;H01M4/485 |
主分类号 |
H01M4/525 |
代理机构 |
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地址 |
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