Microwave-assisted synthesis of carbon dots modified graphene for full carbon-based potassium ion capacitors

• Published in: Carbon (New York) Vol. 178; pp. 1 - 9
• Main Authors: Dong, Shu, Song, Yali, Fang, Yongzheng, Zhu, Kai, Ye, Ke, Gao, Yinyi, Yan, Jun, Wang, Guiling, Cao, Dianxue
• Format: Journal Article
• Language: English
• Published: New York Elsevier Ltd 30.06.2021; Elsevier BV
• Subjects: Ascorbic acid; batteries; Capacitors; Carbon dots; Cycles; Electrochemical performance; Electrode materials; electrodes; Energy; energy density; Energy storage; Flux density; Graphene; Green reducing agent; Interlayers; Ion storage; Ions; microwave treatment; Potassium; Potassium-ion capacitors; Reducing agents; Stability; Storage batteries; Electrochemical performance; Green reducing agent; Potassium-ion capacitors; Carbon dots; Graphene

Potassium ion batteries or capacitors are a promising technology for large-scale energy storage due to the abundant resource and low cost of potassium. However, the development of stable electrode materials with high capacity, capable rate ability, and excellent cycling stability remains a challenge...