Self-regulative nanogelator solid electrolyte: A new option to improve the safety of lithium battery

Feng Wu, Nan Chen, Renjie Chen*, Qizhen Zhu, Guoqiang Tan, Li Li

*此作品的通讯作者

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摘要

The lack of suitable nonflammable electrolytes has delayed battery application in electric vehicles. A new approach to improve the safety performance for lithium battery is proposed here. This technology is based on a nanogelator-based solid electrolyte made of porous oxides and an ionic liquid. The electrolyte is fabricated using an in situ method and the porous oxides serve as a nonflammable “nanogelator” that spontaneously immobilizes the ionic liquid. The electrolyte exhibits a high liquid-like apparent ionic conductivity of 2.93 × 10 −3 S cm −1 at room temperature. The results show that the nanogelator, which possess self-regulating ability, is able to immobilize imidazolium-, pyrrolidinium-, or piperidinium-based ionic liquids, simply by adjusting the ion transport channels. Our prototype batteries made of Ti-nanogeltor solid electrolyte outperform conventional lithium batteries made using ionic liquid and commercial organic liquid electrolytes.

源语言英语
文章编号1500306
期刊Advanced Science
3
1
DOI
出版状态已出版 - 18 11月 2015

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Wu, F., Chen, N., Chen, R., Zhu, Q., Tan, G., & Li, L. (2015). Self-regulative nanogelator solid electrolyte: A new option to improve the safety of lithium battery. Advanced Science, 3(1), 文章 1500306. https://doi.org/10.1002/advs.201500306