Aluminium−graphite batteries can reversibly store AlCl4– ions at their cathodes, but the large consumption of electrolytes reduces their specific energy. Here a cathode based on redox-active triangular organic molecules is shown to be able to take up AlCl2+, offering hope towards complete Al-ion storage.
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Liang, Y., Yao, Y. Halfway through. Nat Energy 4, 10–11 (2019). https://doi.org/10.1038/s41560-018-0300-3
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