Utilization of PET derived hard carbon as a battery-type, higher plateau capacity anode for sodium-ion and potassium-ion batteries

Journal of Electroanalytical Chemistry（2023）

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摘要

•A sustainable approach to induced mesoporosity in HC anode from PET plastic waste.•Reversible capacities of 337 mAh/g (SIBs) and 305 mAh/g (PIBs) at 0.1C.•Battery-type, low potential insertion/deinsertion HC anode for SIBs.•Excellent C-rate performance and cyclability than all plastic-derived HCs.•WPET-HC exhibits unique charge storage mechanisms in SIBs and PIBs.

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关键词

Sodium-ion batteries, Upscaled PET plastic waste, Hard carbon anode, Potassium-ion batteries, Low potential plateau capacity, Storage mechanism in hard carbons, Mesoporosity

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