Microporous PVDF-PMMA Blend-Based Gel Polymer Electrolyte for Electrochemical Applications: Effect of PMMA on Electrochemical and Structural Properties

被引：13
|
作者：
Verma, Harshlata [1 ]
Mishra, Kuldeep [2 ]
Rai, D. K. [1 ]
机构：
[1] Jaypee Inst Informat Technol, Dept Phys & Mat Sci & Engn, Noida 201309, India
[2] Jaypee Univ, Dept Phys & Mat Sci, Bulandshahr 203390, India
来源：
JOURNAL OF ELECTRONIC MATERIALS | 2022年 / 51卷 / 02期
关键词：
PVDF/PMMA blend; ionic liquid; polymer electrolyte; Na+ ion conductor; phase inversion; IONIC LIQUID; DIELECTRIC-PROPERTIES; RECHARGEABLE BATTERY; ENERGY-STORAGE; CAPACITY FADE; BETA-PHASE; CONDUCTIVITY; PHOSPHORUS; MEMBRANES; NANOPARTICLES;
D O I：
10.1007/s11664-021-09314-8
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents a study on a porous poly(methyl methacrylate) (PMMA)/polyvinylidene fluoride (PVDF) blend-based gel polymer electrolyte, activated in a liquid electrolyte of sodium tetrafluoroborate (NaBF4) in 1-butyl-3-methylimidazolium tetrafluoroborate (BMIMBF4) ionic liquid. The optimized membrane shows porosity and liquid electrolyte uptake of 59% and 187%, respectively, and a maximum ionic conductivity of similar to 0.8 mS cm(-1). The membrane shows a Na + ion transport number of 0.21 and an electrochemical stability window of similar to 5.5 V. A prototype battery using the optimized membrane delivers a discharge capacity of 130 mA h g(-1) at a drain current of 25 mA g(-1). [GRAPHICS] .
引用
收藏
页码：635 / 651
页数：17
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