Comparing velocities and pressures in redox flow batteries with interdigitated and serpentine channels

Macdonald, Malcolm; Darling, Robert M.

doi:10.1002/aic.16553

Title: Comparing velocities and pressures in redox flow batteries with interdigitated and serpentine channels

Abstract

Abstract Serpentine channels adjacent to a thin, porous medium are a potentially attractive alternative to a conventional thick flow‐through electrode for redox flow batteries. The hydrodynamics of serpentine flow fields were investigated with computational fluid dynamics, a two‐dimensional model of the porous electrode based on Darcy's law, and a resistance network model at the scale of the active area. Predictions from the three models were used to map the available design space. The optimal electrode thickness, in terms of minimizing nonuniformity, was identified and compared to the result for an interdigitated flow field. Serpentine favors thicker electrodes and higher flows than interdigitated, in qualitative agreement with experimental findings. Furthermore, interdigitated designs deliver more uniform intraelectrode velocities and lower overall pressure drops than serpentine flow fields.

Authors:

^[1]; Darling, Robert M. ^[1]

United Technologies Research Center East Hartford Connecticut

Publication Date:: Fri Feb 22 00:00:00 EST 2019

Sponsoring Org.:: USDOE

OSTI Identifier:: 1496645

Resource Type:: Publisher's Accepted Manuscript

Journal Name:: AIChE Journal

Additional Journal Information:: Journal Name: AIChE Journal Journal Volume: 65 Journal Issue: 5; Journal ID: ISSN 0001-1541

Publisher:: Wiley Blackwell (John Wiley & Sons)

Country of Publication:: United States

Language:: English

Citation Formats


                    Macdonald, Malcolm, and Darling, Robert M. Comparing velocities and pressures in redox flow batteries with interdigitated and serpentine channels.  United States: N. p., 2019. 
Web.  doi:10.1002/aic.16553.

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                    Macdonald, Malcolm, & Darling, Robert M. Comparing velocities and pressures in redox flow batteries with interdigitated and serpentine channels.  United States.  https://doi.org/10.1002/aic.16553

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                    Macdonald, Malcolm, and Darling, Robert M. Fri .  
"Comparing velocities and pressures in redox flow batteries with interdigitated and serpentine channels".  United States.  https://doi.org/10.1002/aic.16553.

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@article{osti_1496645,

  title        = {Comparing velocities and pressures in redox flow batteries with interdigitated and serpentine channels},

  author       = {Macdonald, Malcolm and Darling, Robert M.},

  abstractNote = {Abstract Serpentine channels adjacent to a thin, porous medium are a potentially attractive alternative to a conventional thick flow‐through electrode for redox flow batteries. The hydrodynamics of serpentine flow fields were investigated with computational fluid dynamics, a two‐dimensional model of the porous electrode based on Darcy's law, and a resistance network model at the scale of the active area. Predictions from the three models were used to map the available design space. The optimal electrode thickness, in terms of minimizing nonuniformity, was identified and compared to the result for an interdigitated flow field. Serpentine favors thicker electrodes and higher flows than interdigitated, in qualitative agreement with experimental findings. Furthermore, interdigitated designs deliver more uniform intraelectrode velocities and lower overall pressure drops than serpentine flow fields.},

  doi          = {10.1002/aic.16553},

  journal      = {AIChE Journal},

  number       = 5,

  volume       = 65,

  place        = {United States},

  year         = {Fri Feb 22 00:00:00 EST 2019},

  month        = {Fri Feb 22 00:00:00 EST 2019}

}

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Title: Comparing velocities and pressures in redox flow batteries with interdigitated and serpentine channels

Abstract

Citation Formats

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Pathways to low-cost electrochemical energy storage: a comparison of aqueous and nonaqueous flow batteries journal, January 2014

A Gas Distributor Design for Proton-Exchange-Membrane Fuel Cells journal, January 1996

Progress in Flow Battery Research and Development journal, June 2011

High Performance Vanadium Redox Flow Batteries with Optimized Electrode Configuration and Membrane Selection journal, January 2012

Chemical and Electrochemical Behavior of the Cr(III)/Cr(II) Half-Cell in the Iron-Chromium Redox Energy Storage System journal, January 1985

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Redox flow batteries with serpentine flow fields: Distributions of electrolyte flow reactant penetration into the porous carbon electrodes and effects on performance journal, April 2018

Modeling flow distribution and pressure drop in redox flow batteries journal, June 2018

Flow simulation and analysis of high-power flow batteries journal, December 2015

Cost and performance model for redox flow batteries journal, February 2014

A simple analytical model of coupled single flow channel over porous electrode in vanadium redox flow battery with serpentine flow channel journal, August 2015

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

Pore Structure book, January 1992

Redox flow batteries a review journal, September 2011

The Influence of Electrode and Channel Configurations on Flow Battery Performance journal, January 2014

Dramatic performance gains in vanadium redox flow batteries through modified cell architecture journal, May 2012

Performance of a low cost interdigitated flow design on a 1 kW class all vanadium mixed acid redox flow battery journal, February 2016

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Enhancing Mass Transport in Redox Flow Batteries by Tailoring Flow Field and Electrode Design journal, November 2015

Hydrodynamic analysis of flow fields for redox flow battery applications journal, August 2014

Influence of architecture and material properties on vanadium redox flow battery performance journal, January 2016

Performance of a vanadium redox flow battery with and without flow fields journal, October 2014

Critical transport issues for improving the performance of aqueous redox flow batteries journal, January 2017

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Effect of electrode intrusion on pressure drop and electrochemical performance of an all-vanadium redox flow battery journal, August 2017

A Mathematical Model for the Iron/Chromium Redox Battery journal, January 1984

Effect of flow field on the performance of an all-vanadium redox flow battery journal, March 2016

A hydrodynamic network model for interdigitated flow fields journal, October 2009

High Power Density Redox Flow Battery Cells journal, May 2013

Flow distribution and maximum current density studies in redox flow batteries with a single passage of the serpentine flow channel journal, December 2014

Redox flow cells for energy conversion
journal, September 2006

Pathways to low-cost electrochemical energy storage: a comparison of aqueous and nonaqueous flow batteries
journal, January 2014

A Gas Distributor Design for Proton-Exchange-Membrane Fuel Cells
journal, January 1996

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journal, June 2011

High Performance Vanadium Redox Flow Batteries with Optimized Electrode Configuration and Membrane Selection
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Chemical and Electrochemical Behavior of the Cr(III)/Cr(II) Half-Cell in the Iron-Chromium Redox Energy Storage System
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Analysis of flow field design on vanadium redox flow battery performance: Development of 3D computational fluid dynamic model and experimental validation
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Modeling flow distribution and pressure drop in redox flow batteries
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Flow simulation and analysis of high-power flow batteries
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Cost and performance model for redox flow batteries
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Performance enhancement of iron-chromium redox flow batteries by employing interdigitated flow fields
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Dramatic performance gains in vanadium redox flow batteries through modified cell architecture
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Critical transport issues for improving the performance of aqueous redox flow batteries
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journal, January 1984

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