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Engineers create powerful battery ‘fuel’ that stores energy even in low sun, wind | The team created a novel electrolyte, an acetamide and ε-caprolactam solvent, to aid in the battery’s energy storage and release.
Researchers developed low-cost K-Na/S batteries using earth-abundant materials, achieving high capacity and energy for long-term storage.
“It’s important that we be able to extend the length of time these batteries can operate, and that we can manufacture them easily and cheaply,” said Yuan Yang, the team’s leader and an associate professor in the Department of Applied Physics and Mathematics at Columbia Engineering, in a statement. Visible coiled carbon fibers and color change of catholyte during discharge.Previous research has struggled with low capacity and solid precipitates, so a novel method to enhance these kinds of batteries has been sought after. To boost battery performance, Professor Yang’s team developed a new amide-based electrolyte that improves the solubility of compounds like K2S2 and K2S, enhancing ionic movement and reaction rates.
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