Methods and systems for rebalancing electrolytes for a redox flow battery system

Evans, Craig E.

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Title: Methods and systems for rebalancing electrolytes for a redox flow battery system

Abstract

A rebalancing reactor for a redox flow battery system may include a first side through which hydrogen gas is flowed, a second side through which electrolyte from the redox flow battery system is flowed, and a porous layer separating and fluidly coupled to the first side and the second side, wherein, the hydrogen gas and the electrolyte are fluidly contacted at a surface of the porous layer, and a pressure drop across the second side is less than a pressure drop across the porous layer. In this way, rebalancing of electrolyte charges in a redox flow battery system may be performed with increased efficiency and cost effectiveness as compared to conventional rebalancing reactors.

Inventors:: Evans, Craig E.

Issue Date:: 2023-11-14

Research Org.:: ESS Tech, Inc., Wilsonville, OR (United States)

Sponsoring Org.:: USDOE Advanced Research Projects Agency - Energy (ARPA-E)

OSTI Identifier:: 2293867

Patent Number(s):: 11817606

Application Number:: 15/965,728

Assignee:: ESS Tech, Inc. (Wilsonville, OR)

DOE Contract Number:: AR0000261

Resource Type:: Patent

Resource Relation:: Patent File Date: 04/27/2018

Country of Publication:: United States

Language:: English

Citation Formats


                    Evans, Craig E. Methods and systems for rebalancing electrolytes for a redox flow battery system.  United States: N. p., 2023. 
        Web.

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                    Evans, Craig E. Methods and systems for rebalancing electrolytes for a redox flow battery system.  United States.

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                    Evans, Craig E. Tue .  
        "Methods and systems for rebalancing electrolytes for a redox flow battery system".  United States.  https://www.osti.gov/servlets/purl/2293867.

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@article{osti_2293867,

  title        = {Methods and systems for rebalancing electrolytes for a redox flow battery system},

  author       = {Evans, Craig E.},

  abstractNote = {A rebalancing reactor for a redox flow battery system may include a first side through which hydrogen gas is flowed, a second side through which electrolyte from the redox flow battery system is flowed, and a porous layer separating and fluidly coupled to the first side and the second side, wherein, the hydrogen gas and the electrolyte are fluidly contacted at a surface of the porous layer, and a pressure drop across the second side is less than a pressure drop across the porous layer. In this way, rebalancing of electrolyte charges in a redox flow battery system may be performed with increased efficiency and cost effectiveness as compared to conventional rebalancing reactors.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2023},

  month        = {11}

}

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Works referenced in this record:

Method and system for rebalancing electrolytes in a redox flow battery system
patent, November 2016

Evans, Craig E.; Song, Yang
US Patent Document 9,509,011
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9509011

Performance enhancement of iron-chromium redox flow batteries by employing interdigitated flow fields
journal, September 2016

Zeng, Y. K.; Zhou, X. L.; Zeng, L.
Journal of Power Sources, Vol. 327
https://doi.org/10.1016/j.jpowsour.2016.07.066

In-situ electrolyte preparation in flow battery
patent-application, March 2016

Li, Weina; Perry, Michael L.
US Patent Application 14/892586; 20160093925
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20160093925

Battery management system and method of operating same
patent, September 2010

Yun, Han-Seok; Lee, Young Jo; Seo, Se-Wook
US Patent Document 7,800,345
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7800345

Systems and Methods for Rebalancing Redox Flow Battery Electrolytes
patent-application, September 2014

Pham, Ai Quoc; Chang, On Kok
US Patent Application 14/207795; 20140272483
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20140272483

A hydrogen-ferric ion rebalance cell operating at low hydrogen concentrations for capacity restoration of iron-chromium redox flow batteries
journal, June 2017

Zeng, Y. K.; Zhao, T. S.; Zhou, X. L.
Journal of Power Sources, Vol. 352
https://doi.org/10.1016/j.jpowsour.2017.03.125

Supply system for fuel cells of the S.P.E. (solid polymer electrolyte) type for hybrid vehicles
patent, February 1997

Andreoli, Giuseppe L.; Federici, Flavio
US Patent Document 5,605,770
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5605770

Redox Flow Cell Rebalancing
patent-application, April 2011

Keshavarz, Majid; Karuppaiah, Chockkalingam; Zu, Ge
US Patent Document 12/790573; 20110086247
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20110086247

Redox flow battery and method of operating it
patent, February 2004

Zocchi, Andrea
US Patent Document 6,692,862
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6692862

Method and system for rebalancing electrolytes in a redox flow battery system
patent-application, October 2016

Song, Yang; Evans, Craig E.
US Patent Application 15/182543; 20160293992
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20160293992

Rebalancing Electrolytes In Redox Flow Battery Systems
patent-application, April 2013

Chang, On Kok; Pham, Ai Quoc
US Patent Application 13/433189; 20130084482
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20130084482

Single capacity balancing in a redox flow battery
patent-application, January 2016

Li, Liyu; Sun, Chenxi; Wu, Jinfeng
US Patent Application 14/793711; 20160006054
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20160006054

Method and system for rebalancing electrolytes in a redox flow battery system
patent-application, December 2014

Evans, Craig E.; Song, Yang
US Patent Application 14/199794; 20140363747
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20140363747

Method and system to maintain electrolyte stability for all-iron redox flow batteries
patent-application, September 2015

Evans, Craig E.; Song, Yang
US Patent Application 14/588225; 20150255824
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20150255824

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Method and system for rebalancing electrolytes in a redox flow battery system

Patent Song, Yang; Evans, Craig E.

A method of rebalancing electrolytes in a redox flow battery system comprises directing hydrogen gas generated on the negative side of the redox flow battery system to a catalyst surface, and fluidly contacting the hydrogen gas with an electrolyte comprising a metal ion at the catalyst surface, wherein the metal ion is chemically reduced by the hydrogen gas at the catalyst surface, and a state of charge of the electrolyte and pH of the electrolyte remain substantially balanced.
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Method and system for rebalancing electrolytes in a redox flow battery system

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A method of rebalancing electrolytes in a redox flow battery system comprises directing hydrogen gas generated on the negative side of the redox flow battery system to a catalyst surface, and fluidly contacting the hydrogen gas with an electrolyte comprising a metal ion at the catalyst surface, wherein the metal ion is chemically reduced by the hydrogen gas at the catalyst surface, and a state of charge of the electrolyte and pH of the electrolyte remain substantially balanced.
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Method and system for rebalancing electrolytes in a redox flow battery system

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A method of rebalancing electrolytes in a redox flow battery system comprises directing hydrogen gas generated on the negative side of the redox flow battery system to a catalyst surface, and fluidly contacting the hydrogen gas with an electrolyte comprising a metal ion at the catalyst surface, wherein the metal ion is chemically reduced by the hydrogen gas at the catalyst surface, and a state of charge of the electrolyte and pH of the electrolyte remain substantially balanced.
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A redox flow battery system is provided. The system includes a positive electrode in fluid communication with a positive electrolyte comprising a first metal ion and a negative electrode in fluid communication with a negative electrolyte comprising a second metal ion. An electrically insulating ion conducting surface is provided separating the positive electrode from the negative electrode. Further, the system includes a catalyst surface in fluid communication with the first metal ion, the second metal ion, or a combination thereof, and hydrogen gas, wherein the hydrogen gas and the first metal ion, the second metal ion, or a combination thereofmore » « less
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Method and system for rebalancing electrolytes in a redox flow battery system

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A method of rebalancing electrolytes in a redox flow battery system comprises directing hydrogen gas generated on the negative side of the redox flow battery system to a catalyst surface, and fluidly contacting the hydrogen gas with an electrolyte comprising a metal ion at the catalyst surface, wherein the metal ion is chemically reduced by the hydrogen gas at the catalyst surface, and a state of charge of the electrolyte and pH of the electrolyte remain substantially balanced.
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Similar Records

Title: Methods and systems for rebalancing electrolytes for a redox flow battery system

Abstract

Citation Formats

Method and system for rebalancing electrolytes in a redox flow battery system patent, November 2016

Performance enhancement of iron-chromium redox flow batteries by employing interdigitated flow fields journal, September 2016

In-situ electrolyte preparation in flow battery patent-application, March 2016

Battery management system and method of operating same patent, September 2010

Systems and Methods for Rebalancing Redox Flow Battery Electrolytes patent-application, September 2014

A hydrogen-ferric ion rebalance cell operating at low hydrogen concentrations for capacity restoration of iron-chromium redox flow batteries journal, June 2017

Supply system for fuel cells of the S.P.E. (solid polymer electrolyte) type for hybrid vehicles patent, February 1997

Redox Flow Cell Rebalancing patent-application, April 2011

Redox flow battery and method of operating it patent, February 2004

Method and system for rebalancing electrolytes in a redox flow battery system patent-application, October 2016

Rebalancing Electrolytes In Redox Flow Battery Systems patent-application, April 2013

Single capacity balancing in a redox flow battery patent-application, January 2016

Method and system for rebalancing electrolytes in a redox flow battery system patent-application, December 2014

Method and system to maintain electrolyte stability for all-iron redox flow batteries patent-application, September 2015

Method and system for rebalancing electrolytes in a redox flow battery system
patent, November 2016

Performance enhancement of iron-chromium redox flow batteries by employing interdigitated flow fields
journal, September 2016

In-situ electrolyte preparation in flow battery
patent-application, March 2016

Battery management system and method of operating same
patent, September 2010

Systems and Methods for Rebalancing Redox Flow Battery Electrolytes
patent-application, September 2014

A hydrogen-ferric ion rebalance cell operating at low hydrogen concentrations for capacity restoration of iron-chromium redox flow batteries
journal, June 2017

Supply system for fuel cells of the S.P.E. (solid polymer electrolyte) type for hybrid vehicles
patent, February 1997

Redox Flow Cell Rebalancing
patent-application, April 2011

Redox flow battery and method of operating it
patent, February 2004

Method and system for rebalancing electrolytes in a redox flow battery system
patent-application, October 2016

Rebalancing Electrolytes In Redox Flow Battery Systems
patent-application, April 2013

Single capacity balancing in a redox flow battery
patent-application, January 2016

Method and system for rebalancing electrolytes in a redox flow battery system
patent-application, December 2014

Method and system to maintain electrolyte stability for all-iron redox flow batteries
patent-application, September 2015