Abstract

Organic aqueous dual-ion batteries are accepted as the next-generation energy storage strategy for large-scale systems of energy storage to address the flammable and electrochemical stability problems that are encountered in lithium-ion batteries. However, conventional organic materials are restricted by high solubility in electrolytes during the process of discharging. Here, we present an integrated organic aqueous dual-ion battery that contains a stable, highly electrically conductive polymer as an effective cathode material for aqueous batteries. The battery has a capacity of 134 mAh g−1 and a cycle life of 700 cycles at a current density of 1 A g−1.

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