Chinese scientists build polysulfide-iodide redox flow battery with 87.9% energy efficiency

Scientists in China designed a suplhuer-based redox flow battery with a peak power density of 95. 7 mW cm2 and an average energy efficiency of 76. 5% at 30 mA cm2 within 50 cycles. A group of scientists led by China's Wenzhou University and Guangxi University have proposed a novel approach to improve the performance of polysulfide-iodide-based redox flow batteries (SIRFBs). Redox flow batteries (RFBs) are a type of battery that stores energy in chemicals that undergo redox reactions. Redox stands for reduction-oxidation, a chemical reaction where one substance loses electrons and another gains ...

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