UV-cured gel polymer electrolytes with improved stability for advanced aqueous Li-ion batteries

We report the development of a new class of "water-in-salt" electrolytes based on UV photopolymerized acrylic polymers. Incorporation of "water-in-bisalt" in a polymer matrix reduces water activity, expands the electrochemical stability window to 4.1 V, and dramatically improves...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2019-10, Vol.55 (87), p.1385-1388
Hauptverfasser: Langevin, Spencer A, Tan, Bing, Freeman, Adam W, Gagnon, Jarod C, Hoffman, Christopher M, Logan, Matthew W, Maranchi, Jeffrey P, Gerasopoulos, Konstantinos
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container_end_page 1388
container_issue 87
container_start_page 1385
container_title Chemical communications (Cambridge, England)
container_volume 55
creator Langevin, Spencer A
Tan, Bing
Freeman, Adam W
Gagnon, Jarod C
Hoffman, Christopher M
Logan, Matthew W
Maranchi, Jeffrey P
Gerasopoulos, Konstantinos
description We report the development of a new class of "water-in-salt" electrolytes based on UV photopolymerized acrylic polymers. Incorporation of "water-in-bisalt" in a polymer matrix reduces water activity, expands the electrochemical stability window to 4.1 V, and dramatically improves cycle life in full cells with lithium titanate anodes compared to liquid water-based electrolytes. We report UV-photopolymerized "water-in-bisalt" electrolytes that expand the electrochemical stability window, improving "water-in-bisalt" cycle life in lithium titanate full cells.
doi_str_mv 10.1039/c9cc06207f
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source Royal Society Of Chemistry Journals; Alma/SFX Local Collection
subjects Electrolytes
Electrolytic cells
Flammability
Lithium-ion batteries
Rechargeable batteries
Stability
Water
Water activity
title UV-cured gel polymer electrolytes with improved stability for advanced aqueous Li-ion batteries
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