Journal
ACS MATERIALS LETTERS
Volume 3, Issue 6, Pages 799-806Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsmaterialslett.1c00219
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Funding
- South Carolina SmartState program
- National Science Foundation [CBET-1801284]
- U.S. Department of Energy, Basic Energy Sciences [DE-SC0020272]
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Solid-electrolyte-based rechargeable metal-ion batteries show great potential, and SME-based Zn-metal alkaline batteries significantly improve cycling performance by suppressing electrolyte depletion and anode passivation under harsh testing conditions.
Solid-electrolyte-based rechargeable metal-ion batteries hold great promise as low-cost, flexible, and high-safety energy storage devices. Zn-metal alkaline batteries, developed for more than a century, have dominated the market of primary batteries, but remain nonchargeable, because of serious side reactions and irreversible anodic reactions. A key component involved in these unfavorable reactions is the alkaline electrolyte. Here, we report a solid metallopolymer electrolyte (SME) with low alkaline solution uptake, high mechanical strength, exceptional stability, and excellent ion conductivity for rechargeable Zn-metal alkaline batteries. Compared to alkaline cells based on liquid and hydrogel electrolytes, SME-based Zn-metal alkaline batteries show dramatically enhanced cycling performance under harsh testing conditions by suppressing the electrolyte depletion and anode passivation.
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