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Zinc–cerium batteries
2015-07-13 12:00:25
Zinc–cerium batteries are a type ofredox flow battery first developed by Plurion Inc. (UK) during the 2000s.[1][2] In this rechargeable battery, both negativezinc and positive cerium electrolytes are circulated though an electrochemical flow reactor during the operation and stored in two separated reservoirs. Negative and positive electrolyte compartments in the electrochemical reactor are separated by a cation-exchange membrane, usually Nafion(DuPont). The Ce(III)/Ce(IV) and Zn(II)/Zn redox reactions take place at the positive and negative electrodes, respectively. Since zinc is electroplated during charge at the negative electrode this system is classified as a hybrid flow battery. Unlike in zinc–bromine and zinc–chlorine redox flow batteries, no condensation device is needed to dissolve halogen gases. The reagents used in the zinc-cerium system are considerably less expensive than those used in the vanadium flow battery. We supply the 5mm carbon felt and graphite plate for this battery!
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