Terminally-crosslinked sulfonated poly(fluorenyl ether sulfone) as a highly conductive and stable proton exchange membrane

Roshni Lilly Thankamony; Myung Gun Lee; Kyuwon Kim; Jong Dal Hong; Tae Hyun Kim; Hye Jin Lee; Hyoung Juhn Kim; Sukwoo Nam; Yong Beom Lim

doi:10.1007/s13233-010-1016-9

Terminally-crosslinked sulfonated poly(fluorenyl ether sulfone) as a highly conductive and stable proton exchange membrane

Roshni Lilly Thankamony, Myung Gun Lee, Kyuwon Kim, Jong Dal Hong, Tae Hyun Kim, Hye Jin Lee, Hyoung Juhn Kim, Sukwoo Nam, Yong Beom Lim

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

12 Citations (Scopus)

Abstract

Sulfonated poly(fluorenyl ether sulfone) (PFES) with a terminally- crosslinked network structure was prepared by heat-induced crosslinking of the allyl-terminated telechelic sulfone polymers using a bisazide. The crosslinked polymer membrane with a sulfofluorenyl moiety of 70% (PFES-70) showed excellent hydrolytic, dimensional, and mechanical stability. The crosslinked PFES-70 membrane revealed a proton conductivity of 0.04 S/cm at 20 °C, which increased significantly with increasing temperature. The conductivity of 0.38 S/cm at 100 °C for PFES-70 was higher than that of both non-crosslinked (0.33 S/cm) and Nafion® (0.17 S/cm). In addition, the crosslinked PFES-70 showed a methanol permeability of only 1.4% (3.9×10^-8 cm ²/s) compared to Nafion®. [Figure not available: see fulltext.]

Original language	English
Pages (from-to)	992-1000
Number of pages	9
Journal	Macromolecular Research
Volume	18
Issue number	10
DOIs	https://doi.org/10.1007/s13233-010-1016-9
Publication status	Published - 2010 Oct

Keywords

dimensional stability
polymer electrolyte membrane
proton conductivity
sulfonated poly(fluorenyl ether sulfone)
terminal crosslinking

ASJC Scopus subject areas

General Chemical Engineering
Organic Chemistry
Polymers and Plastics
Materials Chemistry

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10.1007/s13233-010-1016-9

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title = "Terminally-crosslinked sulfonated poly(fluorenyl ether sulfone) as a highly conductive and stable proton exchange membrane",

abstract = "Sulfonated poly(fluorenyl ether sulfone) (PFES) with a terminally- crosslinked network structure was prepared by heat-induced crosslinking of the allyl-terminated telechelic sulfone polymers using a bisazide. The crosslinked polymer membrane with a sulfofluorenyl moiety of 70% (PFES-70) showed excellent hydrolytic, dimensional, and mechanical stability. The crosslinked PFES-70 membrane revealed a proton conductivity of 0.04 S/cm at 20 °C, which increased significantly with increasing temperature. The conductivity of 0.38 S/cm at 100 °C for PFES-70 was higher than that of both non-crosslinked (0.33 S/cm) and Nafion{\textregistered} (0.17 S/cm). In addition, the crosslinked PFES-70 showed a methanol permeability of only 1.4% (3.9×10-8 cm 2/s) compared to Nafion{\textregistered}. [Figure not available: see fulltext.]",

keywords = "dimensional stability, polymer electrolyte membrane, proton conductivity, sulfonated poly(fluorenyl ether sulfone), terminal crosslinking",

author = "Thankamony, {Roshni Lilly} and Lee, {Myung Gun} and Kyuwon Kim and Hong, {Jong Dal} and Kim, {Tae Hyun} and Lee, {Hye Jin} and Kim, {Hyoung Juhn} and Sukwoo Nam and Lim, {Yong Beom}",

year = "2010",

month = oct,

doi = "10.1007/s13233-010-1016-9",

language = "English",

volume = "18",

pages = "992--1000",

journal = "Macromolecular Research",

issn = "1598-5032",

publisher = "Polymer Society of Korea",

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TY - JOUR

T1 - Terminally-crosslinked sulfonated poly(fluorenyl ether sulfone) as a highly conductive and stable proton exchange membrane

AU - Thankamony, Roshni Lilly

AU - Lee, Myung Gun

AU - Kim, Kyuwon

AU - Hong, Jong Dal

AU - Kim, Tae Hyun

AU - Lee, Hye Jin

AU - Kim, Hyoung Juhn

AU - Nam, Sukwoo

AU - Lim, Yong Beom

PY - 2010/10

Y1 - 2010/10

N2 - Sulfonated poly(fluorenyl ether sulfone) (PFES) with a terminally- crosslinked network structure was prepared by heat-induced crosslinking of the allyl-terminated telechelic sulfone polymers using a bisazide. The crosslinked polymer membrane with a sulfofluorenyl moiety of 70% (PFES-70) showed excellent hydrolytic, dimensional, and mechanical stability. The crosslinked PFES-70 membrane revealed a proton conductivity of 0.04 S/cm at 20 °C, which increased significantly with increasing temperature. The conductivity of 0.38 S/cm at 100 °C for PFES-70 was higher than that of both non-crosslinked (0.33 S/cm) and Nafion® (0.17 S/cm). In addition, the crosslinked PFES-70 showed a methanol permeability of only 1.4% (3.9×10-8 cm 2/s) compared to Nafion®. [Figure not available: see fulltext.]

AB - Sulfonated poly(fluorenyl ether sulfone) (PFES) with a terminally- crosslinked network structure was prepared by heat-induced crosslinking of the allyl-terminated telechelic sulfone polymers using a bisazide. The crosslinked polymer membrane with a sulfofluorenyl moiety of 70% (PFES-70) showed excellent hydrolytic, dimensional, and mechanical stability. The crosslinked PFES-70 membrane revealed a proton conductivity of 0.04 S/cm at 20 °C, which increased significantly with increasing temperature. The conductivity of 0.38 S/cm at 100 °C for PFES-70 was higher than that of both non-crosslinked (0.33 S/cm) and Nafion® (0.17 S/cm). In addition, the crosslinked PFES-70 showed a methanol permeability of only 1.4% (3.9×10-8 cm 2/s) compared to Nafion®. [Figure not available: see fulltext.]

KW - dimensional stability

KW - polymer electrolyte membrane

KW - proton conductivity

KW - sulfonated poly(fluorenyl ether sulfone)

KW - terminal crosslinking

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U2 - 10.1007/s13233-010-1016-9

DO - 10.1007/s13233-010-1016-9

M3 - Article

AN - SCOPUS:78649541471

SN - 1598-5032

VL - 18

SP - 992

EP - 1000

JO - Macromolecular Research

JF - Macromolecular Research

IS - 10

ER -

Terminally-crosslinked sulfonated poly(fluorenyl ether sulfone) as a highly conductive and stable proton exchange membrane

Abstract

Keywords

ASJC Scopus subject areas

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