Feasibility of Ambient Temperature Liquid Metal Air Batteries Public
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With growing global electrification and rising impacts of greenhouse gasses, the demand for renewable energy rises. Inconsistent producers of energy (solar & wind) require improved energy storage. By using gallium, a nontoxic liquid metal at room temperature, we found a theoretical energy density 11 times commercial Li-ion, and kinetic performance superior to Zn-air batteries. Using cyclic voltammetry and testing of a prototype cell we reviled the reaction mechanism, proved the reversibility of gallium, and demonstrated rechargeability. We found improved rechargeability when adding 0.1M gallium oxide to 6M KOH electrolyte. However, short discharge times indicate limiting factors such as electrolyte drying still need to be addressed before commercial application.
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