发明名称 |
CERAMIC COATING ON BATTERY SEPARATORS |
摘要 |
<p>The present invention relates generally to electrochemical energy storage devices such as Li-ion batteries, and more particularly to a method of providing uniform ceramic coatings with controlled thicknesses for separators in such storage devices. Some embodiments of the invention utilize a layer by layer coating of nano/micro-sized particles dispersed in a solvent, which can be aqueous or non-aqueous. Other embodiments of the invention utilize a dry process such as PVD for depositing a ceramic film on a porous polyolefin separator. According to certain aspects of the invention, advantages of this approach include the ability to achieve a denser more uniform film with better controlled thickness with less waste and higher yield than current ceramic coating technology. An advantage of a ceramic coated separator is increased safety of cells.</p> |
申请公布号 |
WO2014093519(A1) |
申请公布日期 |
2014.06.19 |
申请号 |
WO2013US74449 |
申请日期 |
2013.12.11 |
申请人 |
APPLIED MATERIALS, INC. |
发明人 |
HERLE, SUBRAMANYA, P.;GORDON, JOSEPH, G. |
分类号 |
H01M2/14;H01M2/16 |
主分类号 |
H01M2/14 |
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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