Dual Intercalating Molten Electrolyte Batteries
- 1 July 1994
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 141 (7) , L73-L76
- https://doi.org/10.1149/1.2055041
Abstract
The reductive and oxidative intercalation of ions into graphite from room‐temperature and low temperature molten salts is demonstrated. For this investigation, the molten salts use 1‐ethyl‐3‐methylimidazolium (EMI+) or 1,2‐dimethyl‐3‐propylimidazolium (DMPI+) as the cation and , , , , or as the anion. In a two‐electrode battery configuration, the molten salt electrolyte provides both the cation and anion which are intercalated into the graphite anode and cathode, respectively. A cell employing a electrolyte and two graphite rod electrodes achieved an open‐circuit voltage of 3.5 V and a cycling efficiency of 85%.Keywords
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