发明名称 |
POSITIVE-ELECTRODE MATERIALS: METHODS FOR THEIR PREPARATION AND USE IN LITHIUM SECONDARY BATTERIES |
摘要 |
There is provided a positive-electrode material for a lithium secondary battery. The material comprises a lithium oxide compound or a complex oxide as reactive substance. The material also comprises at least one type of carbon material, and optionally a binder. A first type of carbon material is provided as a coating on the reactive substance particles surface. A second type of carbon material is carbon black. And a third type of carbon material is a fibrous carbon material provided as a mixture of at least two types of fibrous carbon material different in fiber diameter and/or fiber length. Also, there is provided a method for preparing the material as well as lithium secondary batteries comprising the material. |
申请公布号 |
CA2849008(A1) |
申请公布日期 |
2013.04.11 |
申请号 |
CA20122849008 |
申请日期 |
2012.10.04 |
申请人 |
HYDRO-QUEBEC;SEI CORPORATION |
发明人 |
ZAGHIB, KARIM;GUERFI, ABDELBAST;HOVINGTON, PIERRE;SAWAI, TAKEHIKO;SAITO, SHINJI;URAO, KAZUNORI |
分类号 |
H01M4/139;H01M4/13;H01M4/58;H01M4/583;H01M4/62 |
主分类号 |
H01M4/139 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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