Optimization of electrode characteristics for the Br₂/H₂ redox flow cell

Tucker, Michael C.; Cho, Kyu Taek; Weber, Adam Z.; Lin, Guangyu; Van Nguyen, Trung

doi:10.1007/s10800-014-0772-1

Title: Optimization of electrode characteristics for the Br₂/H₂ redox flow cell

Abstract

The Br₂/H₂ redox flow cell shows promise as a high-power, low-cost energy storage device. The effect of various aspects of material selection, processing, and assembly of electrodes on the operation, performance, and efficiency of the system is determined. In particular, (+) electrode thickness, cell compression, hydrogen pressure, and (–) electrode architecture are investigated. Increasing hydrogen pressure and depositing the (–) catalyst layer on the membrane instead of on the carbon-paper backing layers have a large positive impact on performance, enabling a limiting current density above 2 A cm^-2and a peak power density of 1.4 W cm^-2. Maximum energy efficiency of 79% is achieved. In addition, the root cause of limiting-current behavior in this system is elucidated, where it is found that Br^- reversibly adsorbs at the Pt (–) electrode for potentials exceeding a critical value, and the extent of Br^- coverage is potential-dependent. This phenomenon limits maximum cell current density and must be addressed in system modeling and design. These findings are expected to lower system cost and enable higher efficiency.

Authors:

Tucker, Michael C. ^[1]; Cho, Kyu Taek ^[1]; Weber, Adam Z. ^[1]; Lin, Guangyu ^[2]; Van Nguyen, Trung ^[3]

Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
TVN Systems, Inc., Lawrence, KS (United States)
Univ. of Kansas, Lawrence, KS (United States)

Publication Date:: Fri Oct 17 00:00:00 EDT 2014

Research Org.:: TVN Systems, Inc., Lawrence, KS (United States)

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

OSTI Identifier:: 1164831

Grant/Contract Number:: AR0000262

Resource Type:: Accepted Manuscript

Journal Name:: Journal of Applied Electrochemistry

Additional Journal Information:: Journal Volume: 45; Journal Issue: 1; Journal ID: ISSN 0021-891X

Publisher:: Springer

Country of Publication:: United States

Language:: English

Subject:: 25 ENERGY STORAGE; redox flow cell; bromine; flow battery; hydrogen bromine

Citation Formats


                    Tucker, Michael C., Cho, Kyu Taek, Weber, Adam Z., Lin, Guangyu, and Van Nguyen, Trung. Optimization of electrode characteristics for the Br₂/H₂ redox flow cell.  United States: N. p., 2014. 
Web.  doi:10.1007/s10800-014-0772-1.

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                    Tucker, Michael C., Cho, Kyu Taek, Weber, Adam Z., Lin, Guangyu, & Van Nguyen, Trung. Optimization of electrode characteristics for the Br₂/H₂ redox flow cell.  United States.  https://doi.org/10.1007/s10800-014-0772-1

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                    Tucker, Michael C., Cho, Kyu Taek, Weber, Adam Z., Lin, Guangyu, and Van Nguyen, Trung. Fri .  
"Optimization of electrode characteristics for the Br₂/H₂ redox flow cell".  United States.  https://doi.org/10.1007/s10800-014-0772-1.  https://www.osti.gov/servlets/purl/1164831.

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@article{osti_1164831,

  title        = {Optimization of electrode characteristics for the Br₂/H₂ redox flow cell},

  author       = {Tucker, Michael C. and Cho, Kyu Taek and Weber, Adam Z. and Lin, Guangyu and Van Nguyen, Trung},

  abstractNote = {The Br₂/H₂ redox flow cell shows promise as a high-power, low-cost energy storage device. The effect of various aspects of material selection, processing, and assembly of electrodes on the operation, performance, and efficiency of the system is determined. In particular, (+) electrode thickness, cell compression, hydrogen pressure, and (–) electrode architecture are investigated. Increasing hydrogen pressure and depositing the (–) catalyst layer on the membrane instead of on the carbon-paper backing layers have a large positive impact on performance, enabling a limiting current density above 2 A cm-2 and a peak power density of 1.4 W cm-2. Maximum energy efficiency of 79% is achieved. In addition, the root cause of limiting-current behavior in this system is elucidated, where it is found that Br- reversibly adsorbs at the Pt (–) electrode for potentials exceeding a critical value, and the extent of Br- coverage is potential-dependent. This phenomenon limits maximum cell current density and must be addressed in system modeling and design. These findings are expected to lower system cost and enable higher efficiency.},

  doi          = {10.1007/s10800-014-0772-1},

  journal      = {Journal of Applied Electrochemistry},

  number       = 1,

  volume       = 45,

  place        = {United States},

  year         = {Fri Oct 17 00:00:00 EDT 2014},

  month        = {Fri Oct 17 00:00:00 EDT 2014}

}

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Works referencing / citing this record:

Anthraquinone Derivatives in Aqueous Flow Batteries
journal, December 2016

Gerhardt, Michael R.; Tong, Liuchuan; Gómez-Bombarelli, Rafael
Advanced Energy Materials, Vol. 7, Issue 8
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A Review of Hydrogen/Halogen Flow Cells
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A Zinc-Bromine Flow Battery with Improved Design of Cell Structure and Electrodes
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Hydrogen-bromate flow battery: can one reach both high bromate utilization and specific power?
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Modestov, Alexander D.; Konev, Dmitry V.; Antipov, Anatoly E.
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Synthesis and Evaluation of Rh _x S _y Catalyst with Functionalized Carbon for HOR/HER in H ₂ -Br ₂ Reversible Fuel Cell
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Li, Yuanchao; Van Nguyen, Trung
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Critical Review—Experimental Diagnostics and Material Characterization Techniques Used on Redox Flow Batteries
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Evaluation of Electrospun Fibrous Mats Targeted for Use as Flow Battery Electrodes
journal, January 2017

Liu, Selina; Kok, Matt; Kim, Yongwook
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Title: Optimization of electrode characteristics for the Br₂/H₂ redox flow cell

Abstract

Citation Formats

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HER/HOR Catalysts for the H2-Br2 Fuel Cell System journal, May 2013

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Structural and transport properties of Nafion in hydrobromic-acid solutions journal, December 2013

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Dramatic performance gains in vanadium redox flow batteries through modified cell architecture
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Optimization and Analysis of High-Power Hydrogen/Bromine-Flow Batteries for Grid-Scale Energy Storage
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Quantitative Correlations between the Normal Incidence Differential Reflectance and the Coverage of Adsorbed Bromide on a Polycrystalline Platinum Rotating Disk Electrode
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Erratum: Amorphous SiGe:H Thin Film Solar Cells with Light Absorbing Layers of Graded Bandgap Profile [Electrochem. Solid-State Lett., 15, B9 (2012)]
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Study of hydrogen redox reactions on platinum nanoparticles in concentrated HBr solutions
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Structural and transport properties of Nafion in hydrobromic-acid solutions
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Cyclic Performance Analysis of Hydrogen/Bromine Flow Batteries for Grid-Scale Energy Storage
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Lifetime Studies in H[sub 2]∕Br[sub 2] Fuel Cells
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