Nanoporous polysulfone membranes via a degradable block copolymer precursor for redox flow batteries

Gindt, Brandon P.; Abebe, Daniel G.; Tang, Zhijiang J.; Lindsey, Melanie B.; Chen, Jihua; Elgammal, Ramez A.; Zawodzinski, Thomas A.; Fujiwara, Tomoko

doi:10.1039/C6TA00698A

Title: Nanoporous polysulfone membranes via a degradable block copolymer precursor for redox flow batteries

Abstract

In this study, nanoporous polysulfone (PSU) membranes were fabricated via post-hydrolysis of polylactide (PLA) from PLA–PSU–PLA triblock copolymer membranes. The PSU scaffold was thermally crosslinked before sacrificing PLA blocks. The resulting nanopore surface was chemically modified with sulfonic acid moieties. The membranes were analyzed and evaluated as separators for vanadium redox flow batteries. Nanoporous PSU membranes prepared by this new method and further chemically modified to a slight degree exhibited unique behavior with respect to their ionic conductivity when exposed to solutions of increasing acid concentration.

Authors:

Gindt, Brandon P. ^[1]; Abebe, Daniel G. ^[1]; Tang, Zhijiang J. ^[2]; Lindsey, Melanie B. ^[3]; Chen, Jihua ^[2]; Elgammal, Ramez A. ^[3]; Zawodzinski, Thomas A. ^[4]; Fujiwara, Tomoko ^[1]

Univ. of Memphis, Memphis, TN (United States)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Univ. of Tennessee, Knoxville, TN (United States)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)

Publication Date:: Tue Feb 16 00:00:00 EST 2016

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1241480

Grant/Contract Number:: AC05-00OR22725

Resource Type:: Accepted Manuscript

Journal Name:: Journal of Materials Chemistry. A

Additional Journal Information:: Journal Volume: 4; Journal Issue: 11; Journal ID: ISSN 2050-7488

Publisher:: Royal Society of Chemistry

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats


                    Gindt, Brandon P., Abebe, Daniel G., Tang, Zhijiang J., Lindsey, Melanie B., Chen, Jihua, Elgammal, Ramez A., Zawodzinski, Thomas A., and Fujiwara, Tomoko. Nanoporous polysulfone membranes via a degradable block copolymer precursor for redox flow batteries.  United States: N. p., 2016. 
Web.  doi:10.1039/C6TA00698A.

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                    Gindt, Brandon P., Abebe, Daniel G., Tang, Zhijiang J., Lindsey, Melanie B., Chen, Jihua, Elgammal, Ramez A., Zawodzinski, Thomas A., & Fujiwara, Tomoko. Nanoporous polysulfone membranes via a degradable block copolymer precursor for redox flow batteries.  United States.  https://doi.org/10.1039/C6TA00698A

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                    Gindt, Brandon P., Abebe, Daniel G., Tang, Zhijiang J., Lindsey, Melanie B., Chen, Jihua, Elgammal, Ramez A., Zawodzinski, Thomas A., and Fujiwara, Tomoko. Tue .  
"Nanoporous polysulfone membranes via a degradable block copolymer precursor for redox flow batteries".  United States.  https://doi.org/10.1039/C6TA00698A.  https://www.osti.gov/servlets/purl/1241480.

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@article{osti_1241480,

  title        = {Nanoporous polysulfone membranes via a degradable block copolymer precursor for redox flow batteries},

  author       = {Gindt, Brandon P. and Abebe, Daniel G. and Tang, Zhijiang J. and Lindsey, Melanie B. and Chen, Jihua and Elgammal, Ramez A. and Zawodzinski, Thomas A. and Fujiwara, Tomoko},

  abstractNote = {In this study, nanoporous polysulfone (PSU) membranes were fabricated via post-hydrolysis of polylactide (PLA) from PLA–PSU–PLA triblock copolymer membranes. The PSU scaffold was thermally crosslinked before sacrificing PLA blocks. The resulting nanopore surface was chemically modified with sulfonic acid moieties. The membranes were analyzed and evaluated as separators for vanadium redox flow batteries. Nanoporous PSU membranes prepared by this new method and further chemically modified to a slight degree exhibited unique behavior with respect to their ionic conductivity when exposed to solutions of increasing acid concentration.},

  doi          = {10.1039/C6TA00698A},

  journal      = {Journal of Materials Chemistry. A},

  number       = 11,

  volume       = 4,

  place        = {United States},

  year         = {Tue Feb 16 00:00:00 EST 2016},

  month        = {Tue Feb 16 00:00:00 EST 2016}

}

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Title: Nanoporous polysulfone membranes via a degradable block copolymer precursor for redox flow batteries

Abstract

Citation Formats

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Synthesis and Morphological Behavior of Silicon-Containing Triblock Copolymers for Nanostructure Applications journal, August 1998

Mesoporous Polystyrene Monoliths journal, February 2001

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Functionality- and Size-Dependent Target-Differentiation of Nanoporous Carboxylated Polystyrenes in Polar Protic Solvents journal, November 2012

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Polarization curve analysis of all-vanadium redox flow batteries
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Composition and Conductivity of Membranes Equilibrated with Solutions of Sulfuric Acid and Vanadyl Sulfate
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A Fundamental Study of the Transport Properties of Aqueous Superacid Solutions
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Electrical transport of sulphuric acid in nation perfluorosulphonic membranes
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