Evaluates new UV-cured gel electrolytes, enhancing stability in aqueous batteries, suggesting potential for longer battery life.
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.
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Langevin et al. (2019) studied this question.
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