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US 2011/0236744 A1Published application
Fibrous separation membrane for secondary battery and manufacturing method thereof
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsSun Ok Kim, Young Seuck Yoo, Jin Wook Na
Life of this patent
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Abstract
Disclosed herein is a fibrous separation membrane for secondary batteries, comprising: a support layer containing cellulose fiber; and a first heat-resistant resin layer applied on one side of the support layer.
Claims14
A fibrous separation membrane for secondary batteries, comprising:
- a support layer containing cellulose fiber;
- and
- a first heat-resistant resin layer applied on one side of the support layer.
A method of manufacturing a fibrous separation membrane for secondary batteries, comprising:
- forming a support layer containing cellulose fiber;
- and
- electrospinning a heat-resistant resin solution onto one side of the support layer to form a first ultrafine-fibrous heat-resistant resin layer.
Dependencies are inferred from the claim text.