Two-electron sulfonyl(trifluoromethanesulfonyl)imide-anthraquinone redox electrolytes for high-energy density supercapacitors

• Published in: Chemical engineering journal (Lausanne, Switzerland : 1996) Vol. 496; p. 154010
• Main Authors: Yi, Zejun, Guo, De, Li, Yongsu, Liu, Lu, Dong, Shuangfei, Li, Haoxiang, Liu, Yuping, Li, Zhenhu, Liu, Shuangyi
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 15.09.2024
• Subjects: Anthraquinone; Electrolyte-enhanced supercapacitors; Electron-conjugate; Redox electrolyte; Two-electron; Two-electron; Electrolyte-enhanced supercapacitors; Anthraquinone; Electron-conjugate; Redox electrolyte

•Strong electron-withdrawing STFSI substitute functionalizes AQ with high stability.•AQSTFSI-K exhibits fast and highly reversible two-electron redox reactions in acetonitrile.•AQSTFSI-K shows 1.8 times specific capacitance of corresponding EDLCs.•The AQSTFSI-based ORECs display 3.2 V wide voltage,...