Research on the modification of PVDF-HFP gel electrolyte

Kairui Li; Biao Jin; Ruizhe Lin; Tong Zhang; Qiang Fei

doi:10.1117/12.3024528

13 May 2024 Research on the modification of PVDF-HFP gel electrolyte

Kairui Li, Biao Jin, Ruizhe Lin, Tong Zhang, Qiang Fei

Proceedings Volume 13159, Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023); 131593O (2024) https://doi.org/10.1117/12.3024528
Event: Eighth International Conference on Energy System, Electricity and Power (ESEP 2023), 2023, Wuhan, China

Abstract

At present, the lithium-ion battery has become an important part of new energy vehicles and energy storage systems and its performance plays a vital role in the healthy and rapid development of new energy vehicles and energy storage industry. Among them, electrolyte, as an important part of the lithium-ion battery, plays a key role in battery performance, but the leakage of liquid electrolyte will lead to lithium-ion battery fire, combustion and even explosion. Therefore, the development of gel electrolytes with high safety performance is favored by researchers. In this paper, the preparation method of PVDF-HFP gel electrolyte was introduced based on the characteristics of the polymer material matrix. The modification method of PVDF-HFP gel electrolyte was studied from three aspects: polymer matrix, inorganic filler and additive. The results showed that the modification of the polymer matrix was used to introduce the advantages of other polymers to improve the performance of the target matrix and the modification of inorganic filler can accelerate the ion migration and improve the conductivity of electrolyte by adding filler. In addition, additive modification is to achieve specific functions by introducing additives into the electrolyte.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Kairui Li, Biao Jin, Ruizhe Lin, Tong Zhang, and Qiang Fei "Research on the modification of PVDF-HFP gel electrolyte", Proc. SPIE 13159, Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023), 131593O (13 May 2024); https://doi.org/10.1117/12.3024528

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KEYWORDS

Electrolytes

Polymers

Batteries

Matrices

Electrical conductivity

Liquids

Flame

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