Revealing Surface Changes in a Transparent Gallium Air BatteryPublic
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To account for the increasing demand for energy, we need to discover the next advancement in clean energy. When compared to its commercially available counterpart Zinc, Gallium boasts 150% the theoretical energy density Zinc has and can introduce liquid kinetics at reasonable temperature ranges. Previous MQPs have tried using a liquid gallium anode battery configuration with promising results in a Swagelok configuration. This project looked to identify the mechanisms for failure within the liquid metal-air battery configuration in a transparent and semi-flexible configuration. The goal was to design and construct a lab test cell battery to visualize the electrochemical reaction during charge and discharge. The resulting studies highlight the self-actuating movement during charge and discharge due to the gallium oxide-gallium surface tension interface. The major findings of this study were: 1) the effects of gallium oxide formation in thin interfaces, 2) electrolysis can hinder the rechargeability of the cell with a liquid electrolyte, 3) rechargeability of the cell is dependent on the maintenance of KOH electrolyte in the configuration.
- This report represents the work of one or more WPI undergraduate students submitted to the faculty as evidence of completion of a degree requirement. WPI routinely publishes these reports on its website without editorial or peer review.
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