Abstract
Thermostable polymers offer excellent thermal and mechanical stabilities, and in this study, an organosoluble polyimide (PI) was employed to fabricate high-performance separators for use in advanced lithium-ion batteries (LIBs). The organosoluble PI was synthesized and its nanofibrous membrane was fabricated via electrospinning. A subsequent heat treatment induced thermal crosslinking between the PI nanofibers to improve the heat resistance of the separators. PI nanofibrous membrane exhibited excellent wettability toward the liquid electrolyte, resulting in a greatly improved rate capability and cycle life. These results suggest that organosoluble PI nanofibrous membranes have a high potential for use as separators in high-performance LIBs.
| Original language | English |
|---|---|
| Pages (from-to) | 390-399 |
| Number of pages | 10 |
| Journal | Journal of Industrial and Engineering Chemistry |
| Volume | 72 |
| DOIs | |
| State | Published - 25 Apr 2019 |
Bibliographical note
Publisher Copyright:© 2018 The Korean Society of Industrial and Engineering Chemistry
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Electrochemical performance
- Lithium-ion battery
- Organosoluble polyimide
- Separator
- Thermal stability
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