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

页码：635 / 651

页数：17

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