Reversible Silver Electrodeposition from Boron Cluster Ionic Liquid (BCIL) Electrolytes
2018
Dziedzic, Rafal M. | Waddington, Mary A. | Lee, Sarah E. | Kleinsasser, Jack | Plumley, John B. | Ewing, William C. | Bosley, Beth D. | Lavallo, Vincent | Peng, Thomas L. | Spokoyny, Alexander M.
Electrochemical systems offer a versatile means for creating adaptive devices. However, the utility of electrochemical deposition is inherently limited by the properties of the electrolyte. The development of ionic liquids enables electrodeposition in high-vacuum environments and presents opportunities for creating electrochemically adaptive and regenerative spacecraft components. In this work, we developed a silver-rich, boron cluster ionic liquid (BCIL) for reversible electrodeposition of silver films. This air and moisture stable electrolyte was used to deposit metallic films in an electrochemical cell to tune the emissivity of the cell in situ, demonstrating a proof-of-concept design for spacecraft thermal control.
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