Scientists in the U.S. claim to have demonstrated an inexpensive, long-life, safe and eco-friendly redox flow battery. The device is said offer coulombic efficiency of 97.9% thanks to functional electrolyte additives, pH and elevated temperature.
U.S. researchers claim to have added iron sulfate to anthraquinone disulfonic acid in a redox flow battery for the first time. The scientists said the combination could lead to inexpensive and more stable redox flow storage for just $54/kWh and said $66/kWh is already possible.
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