Citation: LIU Lixin, DONG Jianhong, ZHANG Guanghui, ZHU Luyi, WANG Xinqiang, XU Dong, CHOW Yuktak. Preparation and Properties of Polyvinylidene Fluoride@Diatomite Fiber Membranes by Eletrospinning as Separator of Lithium-Ion Batteries[J]. Chinese Journal of Applied Chemistry, ;2020, 37(12): 1441-1446. doi: 10.11944/j.issn.1000-0518.2020.12.200149 shu

Preparation and Properties of Polyvinylidene Fluoride@Diatomite Fiber Membranes by Eletrospinning as Separator of Lithium-Ion Batteries

a.
State Key Laboratory of Crystal Materials, Institute of Crystal Materials, Shandong University, Ji'nan 250100, China
b.
Department of Electrical Engineering, City University of Hong Kong, Hong Kong, China

Corresponding author: ZHANG Guanghui, ghzhang@sdu.edu.cn
Received Date: 18 May 2020
Revised Date: 29 June 2020
Accepted Date: 5 August 2020

Fund Project: the National Natural Science Foundation of China 51472144the Fundamental Research Funds for the Central Universities 2082019014Supported by the National Natural Science Foundation of China(No. 51472144), Shandong University Young Scholars Program(No.2016WLJH27) and the Fundamental Research Funds for the Central Universities(No.2082019014)Shandong University Young Scholars Program 2016WLJH27

Figures(8)

Using polyvinylidene fluoride (PVDF) and diatomite as raw materials, PVDF@diatomite composite fiber membranes were prepared by electrospinning for lithium-ion battery. The electrolyte absorption rate, thermal stability and electrochemical properties of the separators were investigated. The addition of diatomite can effectively improve the electrolyte absorption rate and electrochemical performance of the composite separators. The electrolyte uptake is up to 623.6%. Compared with PVDF and polypropylene (PP) separators, it has excellent cycle and rate performance.
- lithium-ion battery,
- separator,
- polyvinylidene fluoride,
- diatomite
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沈阳化工大学材料科学与工程学院沈阳 110142