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Researchers at the Chinese Academy of Sciences have made a breakthrough in developing a new material for aqueous organic flow batteries, which could significantly improve the storing of energy at a large scale. The new compound can store four electrons at once, doubling the energy density of these batteries compared to traditional lithium-ion systems. Lab tests showed that the new battery design reached nearly 60 watt-hours per liter, with a longer lifespan of over 5,000 charge and discharge cycles. This innovation has the potential to reshape the way we store energy, making it a safer and more sustainable option for storing solar and wind power at a grid level. With the possibility of reducing the need for replacements and lowering costs, flow batteries could become a key component in the transition to renewable energy sources. The technology is still under research, but companies like Rongke Power and ESS are already working on deploying flow batteries for large-scale power storage projects.