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author:

Wei, Yifan (Wei, Yifan.) [1] | Li, Zhonglin (Li, Zhonglin.) [2] | Liu, Yongyao (Liu, Yongyao.) [3] | Ji, Zhenyu (Ji, Zhenyu.) [4] | Zou, Shuixiang (Zou, Shuixiang.) [5] | Zhou, Yuzhe (Zhou, Yuzhe.) [6] | Yan, Shuai (Yan, Shuai.) [7] | Chen, Cheng (Chen, Cheng.) [8] | Wu, Mingyan (Wu, Mingyan.) [9]

Indexed by:

EI Scopus SCIE

Abstract:

Rechargeable aqueous zinc-ion batteries (RAZIBs) are attractive due to their affordability, safety, and eco-friendliness. However, their potential is limited by the lack of high-capacity cathodes and compatible electrolytes needed for reliable performance. Herein, we have presented a compatibility strategy for the development of a durable and long-lasting RAZIBs. The covalent organic frameworks (COFs) based on anthraquinone (DAAQ-COF) is created and utilized as the cathode, with zinc metal serving as the anode. The electrolyte is made up of an aqueous solution containing zinc salts at various concentrations. The COF cathode has been designed to be endowed with a rich array of redox-active groups, enhancing its electrochemical properties. Meanwhile, the electrolyte is formulated using triflate anions, which have exhibited superiority over sulfate anions. This strategy lead to the development of an optimized COF cathode with fast charging capability, high Coulombic efficiency (nearly 100 %) and long-term cyclability (retention rate of nearly 100 % at 1 A g(-1) after 10000 cycles). Moreover, through experimental analysis, a co-insertion mechanism involving Zn2+ and H+ in this cathode is discovered for the first time. These findings represent a promising path for the advancement of organic cathode materials in high-performance and sustainable RAZIBs.

Keyword:

aqueous electrolyte aqueous zinc-ion batteries covalent organic frameworks H+/Zn2+ co-(de)insertion organic cathode material

Community:

  • [ 1 ] [Wei, Yifan]Fuzhou Univ, Coll Chem, Dept Chem, Fuzhou 350108, Peoples R China
  • [ 2 ] [Wei, Yifan]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 3 ] [Li, Zhonglin]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 4 ] [Liu, Yongyao]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 5 ] [Ji, Zhenyu]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 6 ] [Zou, Shuixiang]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 7 ] [Zhou, Yuzhe]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 8 ] [Yan, Shuai]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 9 ] [Chen, Cheng]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 10 ] [Wu, Mingyan]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 11 ] [Wu, Mingyan]Univ Chinese Acad Sci, Fujian Coll, Fuzhou 350002, Fujian, Peoples R China

Reprint 's Address:

  • [Li, Zhonglin]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China;;[Wu, Mingyan]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China;;[Wu, Mingyan]Univ Chinese Acad Sci, Fujian Coll, Fuzhou 350002, Fujian, Peoples R China

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Source :

CHEMSUSCHEM

ISSN: 1864-5631

Year: 2024

Issue: 8

Volume: 17

7 . 5 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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