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BMW i home energy storage system integrates 2nd-life i3 vehicle batteries

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The battery storage system also includes a voltage converter and power electronics to manage the energy flow between renewable energy sources, the house interface, and the Li-Ion high-voltage battery from the BMW i3. The system has been designed to be integrated into the house energy supply chain.

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OSU team develops new aqueous lithium-iodine solar flow battery; 20% energy savings over Li-I batteries

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The square piece of solar cell (center) is red, because the researchers are using a red dye to tune the wavelength of light it absorbs and converts to electrons. Aqueous flow batteries have attracted significant interest because they could theoretically provide affordable power grid-level energy storage someday.

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