Journal of the Electrochemical Society p. 650 - 654 (1988)
Update date:2022-08-16
Topics:
Gifford
Palmisano
A novel Al/Cl//2 rechargeable electrochemical cell is described which employs an Al negative and graphite positive electrode in a room temperature molten salt electrolyte of 1. 5:1 AlCl//3:1, 2-dimethyl-3-propylimidazolium chloride. The graphite positive electrode functions as a reversible intercalation electrode for chlorine, eliminating the need for separate anolyte and catholyte compartments. The cell possesses an average discharge voltage of 1. 7 V for currents of 1-10 mA/g graphite and over 150 cycles at 100% depth-of-discharge for positive electrode limited cells have been demonstrated. Improvements in the chlorine storage capacity of the positive electrode are needed to obtain satisfactory energy densities.
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