发明公开
EP3238296A1 COMPOSITE POWDER FOR USE IN AN ANODE OF A LITHIUM ION BATTERY, METHOD OF PREPARING SUCH A COMPOSITE POWDER AND METHOD FOR ANALYSING SUCH A COMPOSITE POWDER
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基本信息:
- 专利标题: COMPOSITE POWDER FOR USE IN AN ANODE OF A LITHIUM ION BATTERY, METHOD OF PREPARING SUCH A COMPOSITE POWDER AND METHOD FOR ANALYSING SUCH A COMPOSITE POWDER
- 专利标题(中):用于锂离子电池阳极的复合粉末,制备这种复合粉末的方法以及用于分析这种复合粉末的方法
- 申请号:EP15808214.9 申请日:2015-12-11
- 公开(公告)号:EP3238296A1 公开(公告)日:2017-11-01
- 发明人: PUT, Stijn , VAN GENECHTEN, Dirk , DRIESEN, Kris , HU, Jin , STRAUVEN, Yvan , MUTO, Akihiro , ISHII, Nobuaki , TAKEUCHI, Masataka
- 申请人: Umicore , Showa Denko K.K.
- 申请人地址: Rue du Marais 31 1000 Brussels BE
- 专利权人: Umicore,Showa Denko K.K.
- 当前专利权人: UMICORE; BE
- 当前专利权人地址: UMICORE; BE
- 代理机构: Umicore RDI Patent Department
- 优先权: EP14200041 20141223
- 国际公布: WO2016102208 20160630
- 主分类号: H01M4/36
- IPC分类号: H01M4/36 ; C01B33/02 ; G01N7/18 ; H01M4/38 ; H01M4/62 ; H01M10/0525
摘要:
Composite powder for use in an anode of a lithium ion battery, whereby the particles of the composite powder comprise silicon-based domains in a matrix, whereby the individual silicon-based domains are either free silicon-based domains that are not or not completely embedded in the matrix or are fully embedded silicon-based domains that are completely surrounded by the matrix, whereby the percentage of free silicon-based domains is lower than or equal to 4 weight % of the total amount of Si in metallic or oxidized state in the composite powder.
摘要(中):
用于锂离子电池的阳极的复合粉末,其中复合粉末的颗粒包含基质中的基于硅的区域,由此单独的基于硅的区域是不是或不完全嵌入的基于硅的自由区域 在基体中或者是被基体完全包围的完全嵌入的基于硅的结构域,其中游离硅基结构域的百分比低于或等于金属或氧化状态中Si总量的4重量% 复合粉末。
公开/授权文献:
IPC结构图谱:
H | 电学 |
--H01 | 基本电气元件 |
----H01M | 用于直接转变化学能为电能的方法或装置,例如电池组 |
------H01M4/00 | 电极 |
--------H01M4/02 | .由活性材料组成或包括活性材料的电极 |
----------H01M4/36 | ..作为活性物质、活性体、活性液体的材料的选择 |