Here, we describe protocols to prepare phosphonium-based ionic liquid and lithium bis(trifluoromethane)sulfonimide salt electrolytes, and assemble a non-flammable and high temperature functioning lithium-ion coin cell battery.
Lin, X., Chapman Varela, J., Grinstaff, M. W. Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature. J. Vis. Exp. (118), e54864, doi:10.3791/54864 (2016).