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Cited by 481

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Reverse Dual-Ion Battery via a ZnCl2 Water-in-Salt Electrolyte

Open access
Wu, Xianyong, Xu, Yunkai, Zhang, Chong, Leonard, Daniel P., Markir, Aaron, Lu, Jun, Ji, Xiulei·2019·Journal of the American Chemical Society

Abstract

Dual-ion batteries are known for anion storage in the cathode coupled to cation incorporation in the anode. We flip the sequence of the anion/cation-storage chemistries of the anode and the cathode in dual-ion batteries (DIBs) by allowing the anode to take in anions and a cation-deficient cathode to host cations, thus operating as a reverse dual-ion battery (RDIB). The anion-insertion anode is a nanocomposite having ferrocene encapsulated inside a microporous carbon, and the cathode is a Zn-insertion Prussian blue, Zn 3 [Fe(CN) 6 ] 2 . This unique battery configuration benefits from the usage of a 30 m ZnCl 2 “water-in-salt” electrolyte. This electrolyte minimizes the dissolution of ferrocene; it raises the cation-insertion potential in the cathode, and it depresses the anion-insertion potential in the anode, thus widening the full cell’s voltage by 0.35 V compared with a dilute ZnCl 2 electrolyte. RDIBs provide a configuration-based solution to exploit the practicality of cation-deficient cathode materials in aqueous electrolytes.

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Metadata

Authors
Wu, X., Xu, Y., Zhang, C., Leonard, D. P., Markir, A., Lu, J., & Ji, X.
Venue
Journal of the American Chemical Society
Published
2019-03-28
Volume
141
Issue
15
Pages
6338-6344
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W2935349668
Cited by
481
References
1
FWCI
23.26
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Reverse Dual-Ion Battery via a ZnCl2 Water-in-Salt Electrolyte. https://app.cochat.ai/papers/10.1021/jacs.9b00617
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Wu, X., Xu, Y., Zhang, C., Leonard, D. P., Markir, A., Lu, J., & Ji, X. (2019). Reverse Dual-Ion Battery via a ZnCl2 Water-in-Salt Electrolyte. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.9b00617

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