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An ultrasonication-aided self-assembly strategy toward a PTCDA/RGO film cathode for organic K-ion full batteries
Yali Xu1, Haozhi Wang2, Yuping Shen3
1College of Materials Engineering; Henan International Joint Laboratory of Rare Earth Composite Materials, Henan University of Engineering, No. 1, Xianghe Road, Zhengzhou, 451191, China.
Abstract:
A free-standing PTCDA/RGO film was synthesized by an ultrasonication-aided self-assembly strategy to alleviate the solubility of PTCDA in organic electrolytes. The PTCDA/RGO-50% film cathode exhibits a high capacity of 135.1 mA h g-1 at 0.05 A g-1 and excellent cycling stability (capacity retention of 85% after 200 cycles) for potassium ion batteries.

