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Title: Fe-V redox flow batteries

A redox flow battery having a supporting solution that includes Cl.sup.- anions is characterized by an anolyte having V.sup.2+ and V.sup.3+ in the supporting solution, a catholyte having Fe.sup.2+ and Fe.sup.3+ in the supporting solution, and a membrane separating the anolyte and the catholyte. The anolyte and catholyte can have V cations and Fe cations, respectively, or the anolyte and catholyte can each contain both V and Fe cations in a mixture. Furthermore, the supporting solution can contain a mixture of SO.sub.4.sup.2- and Cl.sup.- anions.
Inventors:
; ; ; ; ; ; ;
Issue Date:
OSTI Identifier:
1140135
Assignee:
Battelle Memorial Institute (Richland, WA) PNNL
Patent Number(s):
8,771,856
Application Number:
12/892,698
Contract Number:
AC05-76RL01830
Research Org:
PNNL (Pacific Northwest National Laboratory (PNNL), Richland, WA (United States))
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE

Other works cited in this record:

Electrically rechargeable REDOX flow cell
patent, December 1976

All-vanadium redox battery
patent, November 1988

Electrolytes for redox flow batteries
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Stabilized vanadium electrolyte solutions for all-vanadium redox cells and batteries
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patent-application, November 2005

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patent-application, November 2008

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patent-application, February 2011

Redox Flow Cell Rebalancing
patent-application, April 2011

System Dongle
patent-application, February 2012

Novel vanadium chloride/polyhalide redox flow battery
journal, October 2003

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