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

B. P. Gindt; D. G. Abebe; Z. J. Tang; M. B. Lindsey; J. Chen; R. A. Elgammal; T. A. Zawodzinski; T. Fujiwara

doi:10.1039/c6ta00698a

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

B. P. Gindt, D. G. Abebe, Z. J. Tang, M. B. Lindsey, J. Chen, R. A. Elgammal, T. A. Zawodzinski, T. Fujiwara

Macromolecular Nanomaterials

Research output: Contribution to journal › Article › peer-review

33 Scopus citations

Abstract

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.

Original language	English
Pages (from-to)	4288-4295
Number of pages	8
Journal	Journal of Materials Chemistry A
Volume	4
Issue number	11
DOIs	https://doi.org/10.1039/c6ta00698a
State	Published - 2016

Funding

This work was supported by the NSF-funded TN-SCORE program, NSF EPS-1004083, under Thrust 2 and by the U.S.Department of Energy, Office of Electricity Delivery and Energy Reliability (Dr Imre Gyuk).

Funders	Funder number
NSF-funded
U.S.Department of Energy
National Science Foundation	EPS-1004083, 1004083

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

abstract = "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.",

author = "Gindt, {B. P.} and Abebe, {D. G.} and Tang, {Z. J.} and Lindsey, {M. B.} and J. Chen and Elgammal, {R. A.} and Zawodzinski, {T. A.} and T. Fujiwara",

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T1 - Nanoporous polysulfone membranes via a degradable block copolymer precursor for redox flow batteries

AU - Gindt, B. P.

AU - Abebe, D. G.

AU - Tang, Z. J.

AU - Lindsey, M. B.

AU - Chen, J.

AU - Elgammal, R. A.

AU - Zawodzinski, T. A.

AU - Fujiwara, T.

PY - 2016

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AB - 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.

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JO - Journal of Materials Chemistry A

JF - Journal of Materials Chemistry A

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ER -

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

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