Acrylamide and ether-based polymer gel electrolytes for high performance solid zinc-air batteries

doi:10.3969/j.issn.1674-8484.2021.03.015

Abstract

Abstract:

Introducing additives into the electrolyte was investigated to improve the disadvantages of electrolyte leakage and corrosion of metal shell of traditional button zinc-air battery and to optimize the performance of zinc-air battery meanwhile. The gel electrolyte prepared by mixing acrylamide and ether polymers was compared with the electrolyte prepared by pure acrylamide. The charge and discharge performance of button zinc-air batteries composed of two kinds of gel electrolytes were tested respectively, and the results of the two groups of tests were compared and analyzed. The results show that compared with the traditional polyacrylamide (PAM) electrolyte, the viscosity and ionic conductivity of the new electrolyte with ether polymer are significantly improved. The assembled button zinc-air battery shows so better cycle stability that it can be charged and discharged at 5 mA current for more than 35 h, which indicates that the addition of ether polymer to acrylamide can improve the performance of electrolyte and zinc-air battery.

Key words: button-type zinc-air battery, gel electrolyte, charge-discharge performance, cycle stability

CLC Number:

O646
TB332

ZHANG Pengfei, WANG Keliang, PEI Pucheng, ZUO Yayu, WEI Manhui, LIU Xiaotian, XIAO Yu. Acrylamide and ether-based polymer gel electrolytes for high performance solid zinc-air batteries[J]. Journal of Automotive Safety and Energy, 2021, 12(3): 395-401.

Figures/Tables 6

References 24

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