Compositional Effect of ZrO2 Nanofillers on a PVDF-co-HFP Based Polymer Electrolyte System for Solid State Zinc Batteries

Citation: M. Johnsi, S. Austin Suthanthiraraj. Compositional Effect of ZrO2 Nanofillers on a PVDF-co-HFP Based Polymer Electrolyte System for Solid State Zinc Batteries[J]. Chinese Journal of Polymer Science, 2016, 34(3): 332-343. doi: 10.1007/s10118-016-1750-3 shu

Compositional Effect of ZrO2 Nanofillers on a PVDF-co-HFP Based Polymer Electrolyte System for Solid State Zinc Batteries

M. Johnsi ^{1,
,} ,
S. Austin Suthanthiraraj ^1,

1.
Department of Energy, University of Madras, Guindy Campus, Chennai-600025, India

通讯作者: M. Johnsi,

基金项目:
This work was financially supported by the National Centre for Nanoscience and Nanotechnology, University of Madras for SEM analysis and financial assistance received in the form of a research grant.

摘要: Composite polymer electrolytes (CPEs) comprising poly(vinilydene fluoride-hexafluoro propylene), PVDF-co-HFP and zinc triflate, Zn(CF3SO3)2 with varying concentrations of ZrO2 nanofillers were prepared by solution casting technique with N,N-dimethyl formamide (DMF) as the common solvent. The polymer electrolyte specimen with the particular composition 75 wt% PVDF-co-HFP: 25 wt% ZnTf + 7 wt% ZrO2 showed the highest conductivity of 4.6 10-4 S/cm at 298 K as confirmed from impedance measurements and favored by the rich amorphous phase of the CPE revealed from room temperature X-ray diffraction analysis (XRD). The electrical conductivity relaxation time and its distribution within the materials have been evaluated from the electric modulus M and impedance Z data which showed the occurrence of non-Debye type of relaxation phenomenon. The changes in the surface morphology of the CPEs were examined using scanning electron microscopy (SEM). The electrochemical stability window of CPE is found to be 2.6 V with a thermal stability up to 300 ℃. An electrochemical cell has been fabricated based on Zn/MnO2 electrode couple under a constant load of 1 M and its discharge characteristics have been evaluated.

关键词:

English

Compositional Effect of ZrO2 Nanofillers on a PVDF-co-HFP Based Polymer Electrolyte System for Solid State Zinc Batteries

M. Johnsi ^{1,
,} ,
S. Austin Suthanthiraraj ^1,

1.
Department of Energy, University of Madras, Guindy Campus, Chennai-600025, India

Corresponding author: M. Johnsi,

Received Date: 11 September 2015
Revised Date: 09 October 2015
Available Online: 05 March 2016
Fund Project:
This work was financially supported by the National Centre for Nanoscience and Nanotechnology, University of Madras for SEM analysis and financial assistance received in the form of a research grant.

Abstract: Composite polymer electrolytes (CPEs) comprising poly(vinilydene fluoride-hexafluoro propylene), PVDF-co-HFP and zinc triflate, Zn(CF3SO3)2 with varying concentrations of ZrO2 nanofillers were prepared by solution casting technique with N,N-dimethyl formamide (DMF) as the common solvent. The polymer electrolyte specimen with the particular composition 75 wt% PVDF-co-HFP: 25 wt% ZnTf + 7 wt% ZrO2 showed the highest conductivity of 4.6 10-4 S/cm at 298 K as confirmed from impedance measurements and favored by the rich amorphous phase of the CPE revealed from room temperature X-ray diffraction analysis (XRD). The electrical conductivity relaxation time and its distribution within the materials have been evaluated from the electric modulus M and impedance Z data which showed the occurrence of non-Debye type of relaxation phenomenon. The changes in the surface morphology of the CPEs were examined using scanning electron microscopy (SEM). The electrochemical stability window of CPE is found to be 2.6 V with a thermal stability up to 300 ℃. An electrochemical cell has been fabricated based on Zn/MnO2 electrode couple under a constant load of 1 M and its discharge characteristics have been evaluated.

Key words:

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Compositional Effect of ZrO2 Nanofillers on a PVDF-co-HFP Based Polymer Electrolyte System for Solid State Zinc Batteries

通讯作者: M. Johnsi,

English

Compositional Effect of ZrO2 Nanofillers on a PVDF-co-HFP Based Polymer Electrolyte System for Solid State Zinc Batteries

Corresponding author: M. Johnsi,

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

Compositional Effect of ZrO2 Nanofillers on a PVDF-co-HFP Based Polymer Electrolyte System for Solid State Zinc Batteries

通讯作者: M. Johnsi,

English

Compositional Effect of ZrO2 Nanofillers on a PVDF-co-HFP Based Polymer Electrolyte System for Solid State Zinc Batteries

Corresponding author: M. Johnsi,

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

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