Researchers from Ohio State University have merged an aqueous flow battery and a solar cell into a single device.
The team, led by Yiying Wu, claim to have achieved 20% energy saving using a redesigned dye-sensitised solar cell which converts lights into electrons to supplement the voltage stored in the lithium-anode portion of the battery.
Swiss company Flexbase is planning to build a 500MW/1.2GWh flow battery on the Swiss-German border. It is claiming it will be the biggest flow battery in the world.
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