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… Click to show full 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.
               
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