Scientists at the Karlsruhe Institute of Technology, Germany, have made the first reversible working battery based on a fluoride shuttle.
In the battery the fluoride anion acts as charge transfer ion between a metal/metal fluoride pair. Electrons are generated at the anode in redox reaction. These electrons travel through the external circuit to recombine with the cathode material and reduce metal fluoride to metal. The released fluoride anions leave the cathode, migrate through the electrolyte and react with metal of the anode to form metal fluoride. The process can be reversed during charging. Interested to know more? Read the article for free until 20th December…
M. Anji Reddy and M. Fichtner, J. Mater. Chem., 2011, 21, 17059-17062
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