Rechargeable Zinc-Aqueous Polysulfide Battery with a Mediator-Ion Solid Electrolyte
Journal Article
·
· ACS Applied Materials and Interfaces
- Univ. of Texas, Austin, TX (United States)
Large scale energy storage for the electric grid will need low cost and high energy density solutions. We demonstrate in this letter a rechargeable zinc-aqueous polysulfide battery in which a metallic zinc anode is separated from a liquid aqueous polysulfide catholyte by an alkali-metal-ion solid-state electrolyte, wherein the alkali metal ion is Na+ or Li+. The solid-state electrolyte effectively separates the anode from the reactive polysulfide catholyte, preventing the crossover of the polysulfide species and maintaining good electrochemical performance with a reversible discharge capacity of 822 mA h g-1 with nearly 100% Coulombic efficiency.
- Research Organization:
- Univ. of Texas, Austin, TX (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- SC0005397
- OSTI ID:
- 1598148
- Journal Information:
- ACS Applied Materials and Interfaces, Vol. 10, Issue 13; ISSN 1944-8244
- Publisher:
- American Chemical Society (ACS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 30 works
Citation information provided by
Web of Science
Web of Science
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