Mitigating thermal runaway of lithium‐ion battery by using thermally sensitive polymer blend as cathode binder
Abstract
ABSTRACT Thermally sensitive binder (TSB) is developed as an internal safety mechanism of lithium‐ion battery (LIB). The TSB is a polymer blend of poly(vinylidene fluoride) (PVDF) and poly(vinylidene fluoride‐ co ‐hexafluoropropylene) (PVDF‐HFP). Compared with regular PVDF binder, the softening and swelling of TSB are more pronounced when temperature is above 110 °C. With the TSB, the cycling performance of LIB cell is not affected; upon nail penetration, the heat generation rate is significantly reduced. The crystallinity of TSB is an important factor. This technology may lead to the development of thermal‐runaway‐mitigating LIB cells. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018 , 135 , 45737.
- Authors:
-
- Department of Structural Engineering University of California—San Diego San Diego, CA 92093‐0085
- Program of Materials Science and Engineering University of California—San Diego San Diego, CA 92093‐0085
- Department of Structural Engineering University of California—San Diego San Diego, CA 92093‐0085, Program of Materials Science and Engineering University of California—San Diego San Diego, CA 92093‐0085
- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1389665
- Resource Type:
- Publisher's Accepted Manuscript
- Journal Name:
- Journal of Applied Polymer Science
- Additional Journal Information:
- Journal Name: Journal of Applied Polymer Science Journal Volume: 135 Journal Issue: 4; Journal ID: ISSN 0021-8995
- Publisher:
- Wiley Blackwell (John Wiley & Sons)
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Le, Anh V., Wang, Meng, Noelle, Daniel J., Shi, Yang, and Qiao, Yu. Mitigating thermal runaway of lithium‐ion battery by using thermally sensitive polymer blend as cathode binder. United States: N. p., 2017.
Web. doi:10.1002/app.45737.
Le, Anh V., Wang, Meng, Noelle, Daniel J., Shi, Yang, & Qiao, Yu. Mitigating thermal runaway of lithium‐ion battery by using thermally sensitive polymer blend as cathode binder. United States. https://doi.org/10.1002/app.45737
Le, Anh V., Wang, Meng, Noelle, Daniel J., Shi, Yang, and Qiao, Yu. Tue .
"Mitigating thermal runaway of lithium‐ion battery by using thermally sensitive polymer blend as cathode binder". United States. https://doi.org/10.1002/app.45737.
@article{osti_1389665,
title = {Mitigating thermal runaway of lithium‐ion battery by using thermally sensitive polymer blend as cathode binder},
author = {Le, Anh V. and Wang, Meng and Noelle, Daniel J. and Shi, Yang and Qiao, Yu},
abstractNote = {ABSTRACT Thermally sensitive binder (TSB) is developed as an internal safety mechanism of lithium‐ion battery (LIB). The TSB is a polymer blend of poly(vinylidene fluoride) (PVDF) and poly(vinylidene fluoride‐ co ‐hexafluoropropylene) (PVDF‐HFP). Compared with regular PVDF binder, the softening and swelling of TSB are more pronounced when temperature is above 110 °C. With the TSB, the cycling performance of LIB cell is not affected; upon nail penetration, the heat generation rate is significantly reduced. The crystallinity of TSB is an important factor. This technology may lead to the development of thermal‐runaway‐mitigating LIB cells. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018 , 135 , 45737.},
doi = {10.1002/app.45737},
journal = {Journal of Applied Polymer Science},
number = 4,
volume = 135,
place = {United States},
year = {Tue Sep 12 00:00:00 EDT 2017},
month = {Tue Sep 12 00:00:00 EDT 2017}
}
https://doi.org/10.1002/app.45737
Web of Science
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