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We demonstrate for the first time that hydronium ions can be reversibly stored in an electrode of crystalline 3,4,9,10‐perylenetetracarboxylic dianhydride (PTCDA). PTCDA exhibits a capacity of 85 mAh g−1 at 1 A g−1 after an initial conditioning process. Ex situ X‐ray diffraction revealed reversible and significant structure dilation upon reduction of PTCDA in an acidic electrolyte, which can only...
Eine saure wässrige Lösung als Elektrolyt in einer Hydroniumionen‐Batterie mit H3O+ als Ladungsträger: X. L. Ji et al. bieten in der Zuschrift auf S. 2955 ff. Belege dafür, dass Hydroniumionen reversibel in 3,4,9,10‐Perylentetracarbonsäuredianhydrid (PTCDA) inseriert und aus PTCDA extrahiert werden können. Die Expansion und Kontraktion des PTCDA‐Gerüsts entspricht der H3O+‐Interkalation bzw. ‐Deinterkalation,...
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