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Title: Organic non-aqueous cation-based redox flow batteries

Abstract

The present invention provides a non-aqueous redox flow battery comprising a negative electrode immersed in a non-aqueous liquid negative electrolyte, a positive electrode immersed in a non-aqueous liquid positive electrolyte, and a cation-permeable separator (e.g., a porous membrane, film, sheet, or panel) between the negative electrolyte from the positive electrolyte. During charging and discharging, the electrolytes are circulated over their respective electrodes. The electrolytes each comprise an electrolyte salt (e.g., a lithium or sodium salt), a transition-metal free redox reactant, and optionally an electrochemically stable organic solvent. Each redox reactant is selected from an organic compound comprising a conjugated unsaturated moiety, a boron cluster compound, and a combination thereof. The organic redox reactant of the positive electrolyte comprises a tetrafluorohydroquinone ether compound or a tetrafluorocatechol ether compound.

Inventors:
; ;
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1440539
Patent Number(s):
9,966,625
Application Number:
14/476,202
Assignee:
UCHICAGO ARGONNE, LLC (Argonne, IL)
DOE Contract Number:  
AC02-06CH11357
Resource Type:
Patent
Resource Relation:
Patent File Date: 2014 Sep 03
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE

Citation Formats

Zhang, Lu, Huang, Jinhua, and Burrell, Anthony. Organic non-aqueous cation-based redox flow batteries. United States: N. p., 2018. Web.
Zhang, Lu, Huang, Jinhua, & Burrell, Anthony. Organic non-aqueous cation-based redox flow batteries. United States.
Zhang, Lu, Huang, Jinhua, and Burrell, Anthony. Tue . "Organic non-aqueous cation-based redox flow batteries". United States. https://www.osti.gov/servlets/purl/1440539.
@article{osti_1440539,
title = {Organic non-aqueous cation-based redox flow batteries},
author = {Zhang, Lu and Huang, Jinhua and Burrell, Anthony},
abstractNote = {The present invention provides a non-aqueous redox flow battery comprising a negative electrode immersed in a non-aqueous liquid negative electrolyte, a positive electrode immersed in a non-aqueous liquid positive electrolyte, and a cation-permeable separator (e.g., a porous membrane, film, sheet, or panel) between the negative electrolyte from the positive electrolyte. During charging and discharging, the electrolytes are circulated over their respective electrodes. The electrolytes each comprise an electrolyte salt (e.g., a lithium or sodium salt), a transition-metal free redox reactant, and optionally an electrochemically stable organic solvent. Each redox reactant is selected from an organic compound comprising a conjugated unsaturated moiety, a boron cluster compound, and a combination thereof. The organic redox reactant of the positive electrolyte comprises a tetrafluorohydroquinone ether compound or a tetrafluorocatechol ether compound.},
doi = {},
url = {https://www.osti.gov/biblio/1440539}, journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {5}
}

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