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Halfway through

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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Fig. 1: Charge storage mechanisms of aluminium batteries.


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Correspondence to Yan Yao.

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Liang, Y., Yao, Y. Halfway through. Nat Energy 4, 10–11 (2019).

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