Alternative low cost electrodes for hybrid flow batteries

Evans, Craig E.; Casey, Sean; Song, Yang

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Title: Alternative low cost electrodes for hybrid flow batteries

Abstract

A redox flow battery may include: a membrane interposed between a first electrode positioned at a first side of the membrane and a second electrode positioned at a second side of the membrane opposite to the first side; a first flow field plate comprising a plurality of positive flow field ribs, each of the plurality of positive flow field ribs contacting the first electrode at first supporting regions on the first side; and the second electrode, including an electrode spacer positioned between the membrane and a second flow field plate, the electrode spacer comprising a plurality of main ribs, each of the plurality of main ribs contacting the second flow field plate at second supporting regions on the second side, each of the second supporting regions aligned opposite to one of the plurality of first supporting regions. As such, a current density distribution at a plating surface may be reduced.

Inventors:: Evans, Craig E.; Casey, Sean; Song, Yang

Issue Date:: 2022-06-28

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

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

OSTI Identifier:: 1893092

Patent Number(s):: 11374236

Application Number:: 15/601,560

Assignee:: ESS Technology, Inc. (Portland, OR)

Patent Classifications (CPCs):: H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

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H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
H01M4/8803 - {Supports for the deposition of the catalytic active composition
H01M4/8817 - {Treatment of supports before application of the catalytic active composition
H01M4/8828 - {Coating with slurry or ink}
H01M8/0239 - Organic resins
H01M8/0245 - in the form of layered or coated products
H01M8/0258 - characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M8/188 - {by recharging of redox couples containing fluids
H01M8/20 - Indirect fuel cells, e.g. fuel cells with redox couple being irreversible

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E60/50 - Fuel cells

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DOE Contract Number:: AR0000261

Resource Type:: Patent

Resource Relation:: Patent File Date: 05/22/2017

Country of Publication:: United States

Language:: English

Citation Formats


                    Evans, Craig E., Casey, Sean, and Song, Yang. Alternative low cost electrodes for hybrid flow batteries.  United States: N. p., 2022. 
        Web.

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                    Evans, Craig E., Casey, Sean, & Song, Yang. Alternative low cost electrodes for hybrid flow batteries.  United States.

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                    Evans, Craig E., Casey, Sean, and Song, Yang. Tue .  
        "Alternative low cost electrodes for hybrid flow batteries".  United States.  https://www.osti.gov/servlets/purl/1893092.

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@article{osti_1893092,

  title        = {Alternative low cost electrodes for hybrid flow batteries},

  author       = {Evans, Craig E. and Casey, Sean and Song, Yang},

  abstractNote = {A redox flow battery may include: a membrane interposed between a first electrode positioned at a first side of the membrane and a second electrode positioned at a second side of the membrane opposite to the first side; a first flow field plate comprising a plurality of positive flow field ribs, each of the plurality of positive flow field ribs contacting the first electrode at first supporting regions on the first side; and the second electrode, including an electrode spacer positioned between the membrane and a second flow field plate, the electrode spacer comprising a plurality of main ribs, each of the plurality of main ribs contacting the second flow field plate at second supporting regions on the second side, each of the second supporting regions aligned opposite to one of the plurality of first supporting regions. As such, a current density distribution at a plating surface may be reduced.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2022},

  month        = {6}

}

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