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Inexpensive metal-free organic redox flow battery (ORBAT) for grid-scale storage

Patent ·
OSTI ID:1632583
; ; ; ;
A flow battery includes a positive electrode, a positive electrode electrolyte, a negative electrode, a negative electrode electrolyte, and a polymer electrolyte membrane interposed between the positive electrode and the negative electrode. The positive electrode electrolyte includes water and a first redox couple. The first redox couple includes a first organic compound which includes a first moiety in conjugation with a second moiety. The first organic compound is reduced during discharge while during charging the reduction product of the first organic compound is oxidized to the first organic compound. The negative electrode electrolyte includes water and a second redox couple. The second couple includes a second organic compound including a first moiety in conjugation with a second moiety. The reduction product of the second organic compound is oxidized to the second organic compound during discharge.
Research Organization:
Univ. of Southern California, Los Angeles, CA (United States)
Sponsoring Organization:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
DOE Contract Number:
AR0000353
Assignee:
University of Southern California (Los Angeles, CA)
Patent Number(s):
10,566,643
Application Number:
15/458,500
OSTI ID:
1632583
Country of Publication:
United States
Language:
English

References (8)

A study of tiron in aqueous solutions for redox flow battery application journal January 2010
Cyclic voltammetric study of quinone—hydroquinone organic system in aqueous magnesium perchlorate electrolyte journal June 1993
Anthraquinone with tailored structure for a nonaqueous metal–organic redox flow battery journal January 2012
Investigation into the use of quinone compounds-for battery cathodes journal May 1972
Novel organic redox flow batteries using soluble quinonoid compounds as positive materials conference September 2009
Electrochemical Reaction Mechanism of Tiron in Acidic Aqueous Solution journal November 2011
Reduction Potentials Of Quinones. II. The Potentials Of Certain Derivatives Of Benzoquinone, Naphthoquinone And Anthraquinone journal August 1924
Benzoquinone-Hydroquinone Couple for Flow Battery journal January 2013

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Related Subjects

25 ENERGY STORAGE
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
42 ENGINEERING