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US 2020/0052272 A1Published application
Porous film, separator comprising the porous film, and electrochemical device comprising the porous film
AssigneeSamsung Electronics Co., Ltd.
InventorsKitae Park, Jinkyu Kang, Hyun Chul Lee, Hyeokjo Gwon, Nagjong Kim, Sunghaeng Lee
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Abstract
A porous film comprising a Lewis base and nanofibers comprising cellulose or a derivative thereof, a separator comprising the porous film, and an electrochemical device comprising the separator or porous film are provided. The electrochemical device comprising the separator comprising the porous film may have improved thermal stability, and thus deterioration of the electrochemical device may be inhibited.
Claims13
A porous film comprising:
- a Lewis base;
- and
- nanofibers comprising cellulose or a derivative thereof.
Dependencies are inferred from the claim text.