Compositional Effects of Gel Polymer Electrolyte and Battery Design for Zinc-Air Batteries

被引：0

作者：

Tran, Thuy Nguyen Thanh ^{[1
]}

Aasen, Drew ^{[1
]}

Zhalmuratova, Dinara ^{[1
]}

Labbe, Matthew ^{[1
]}

Chung, Hyun-Joong ^{[1
]}

Ivey, Douglas G. ^{[1
]}

机构：

[1] Univ Alberta, Fac Engn, Dept Chem & Mat Engn, Edmonton, AB T6G 1H9, Canada

来源：

BATTERIES & SUPERCAPS | 2020年 / 3卷 / 09期

关键词：

poly(acrylic acid); N; '-methylenebis(acrylamide); stiffness; adhesion; bubble management; ZN-AIR; ELECTROCHEMICAL CHARACTERIZATION; DOPED CARBON; CONDUCTIVITY; PASSIVATION; PERFORMANCE; CHALLENGES; NANOARRAYS; CORROSION; ALUMINUM;

D O I：

10.1002/batt.202000054

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Poly(acrylic acid) (PAA) is a promising polymer host to support alkaline electrolytes in Zn-air batteries. Herein, precursors containing different concentrations of monomers, crosslinkers and additives such as zinc oxide in alkaline solution are polymerized to fabricate gel polymer electrolytes (GPEs) via one-pot synthesis. The compositional effects of the GPEs on battery performance are evaluated and a more efficient cell design is demonstrated. With a vertical double air electrode configuration, ZABs using PAA-based electrolytes show unprecedented performance including high specific energy (913 Wh kg(Zn)(-1)), excellent cycling stability (at least 160 cycles at 2x10 mA cm(-2)) and high power density output (2x135 mW cm(-2)). The study represents a viable option to replace aqueous electrolytes for high performing ZABs.

引用

页码：917 / 927

页数：11

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