Preparation and evaluation of sulfonated-fluorinated poly(arylene ether)s membranes for a proton exchange membrane fuel cell (PEMFC)

Heung Chan Lee; Hyun Sil Hong; You Mee Kim; Sung Ho Choi; Ming Zi Hong; Hyun Suk Lee; Keon Kim

doi:10.1016/j.electacta.2004.01.012

Preparation and evaluation of sulfonated-fluorinated poly(arylene ether)s membranes for a proton exchange membrane fuel cell (PEMFC)

Heung Chan Lee, Hyun Sil Hong, You Mee Kim, Sung Ho Choi, Ming Zi Hong, Hyun Suk Lee, Keon Kim

* Honorary professors

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

77 Citations (Scopus)

Abstract

New proton exchange membranes were prepared and evaluated as polymer electrolytes for a proton exchange membrane fuel cell (PEMFC). Two types of fluorinated poly(arylene ether)s (FPAEs) were synthesized by nucleophilic aromatic substitution of decafluorobiphenyl (DFBP) with 4,4′-(hexafluoroisopropylidene)diphenol (HFDP) and bisphenol-A (BPA). The FPAEs so prepared were converted into proton exchange polymers by sulfonation with fuming sulfuric acid (30% SO₃). The FPAEs and sulfonated-fluorinated poly(arylene ether)s (S-FPAEs) with various sulfonation levels were characterized using ¹H NMR, thermogravimetric analysis (TGA) and back titration, and then successfully evaluated as proton exchange membranes (PEM) with unit cell operation. power output measurements of S-DFBP-HFDP carried out at a cell temperature of 80°C. They exhibited a maximum power density of 425.5 mW/cm² at 1150 mA/cm².

Original language	English
Pages (from-to)	2315-2323
Number of pages	9
Journal	Electrochimica Acta
Volume	49
Issue number	14
DOIs	https://doi.org/10.1016/j.electacta.2004.01.012
Publication status	Published - 2004 Jun 15

Keywords

Fluorinated
PEM
PEMFC
Poly(arylene ether)
Sulfonation

ASJC Scopus subject areas

Chemical Engineering(all)
Electrochemistry

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10.1016/j.electacta.2004.01.012

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@article{36209be883c646e0b111402b54442afb,

title = "Preparation and evaluation of sulfonated-fluorinated poly(arylene ether)s membranes for a proton exchange membrane fuel cell (PEMFC)",

abstract = "New proton exchange membranes were prepared and evaluated as polymer electrolytes for a proton exchange membrane fuel cell (PEMFC). Two types of fluorinated poly(arylene ether)s (FPAEs) were synthesized by nucleophilic aromatic substitution of decafluorobiphenyl (DFBP) with 4,4′-(hexafluoroisopropylidene)diphenol (HFDP) and bisphenol-A (BPA). The FPAEs so prepared were converted into proton exchange polymers by sulfonation with fuming sulfuric acid (30% SO3). The FPAEs and sulfonated-fluorinated poly(arylene ether)s (S-FPAEs) with various sulfonation levels were characterized using 1H NMR, thermogravimetric analysis (TGA) and back titration, and then successfully evaluated as proton exchange membranes (PEM) with unit cell operation. power output measurements of S-DFBP-HFDP carried out at a cell temperature of 80°C. They exhibited a maximum power density of 425.5 mW/cm2 at 1150 mA/cm2.",

keywords = "Fluorinated, PEM, PEMFC, Poly(arylene ether), Sulfonation",

author = "Lee, {Heung Chan} and Hong, {Hyun Sil} and Kim, {You Mee} and Choi, {Sung Ho} and Hong, {Ming Zi} and Lee, {Hyun Suk} and Keon Kim",

note = "Funding Information: This study was supported by KOSEF through the Research Center for Energy Conversion and Storage, Korea science and Engineering Foundation (KOSEF R01-2001-00045-0), {\textquoteleft}Center for Nanostructured Materials Technology{\textquoteright} under the {\textquoteleft}21st Century Frontier R & D Programs{\textquoteright} of the Ministry of Science and Technology, Korea and the Korea Electric Power Corporation. ",

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T1 - Preparation and evaluation of sulfonated-fluorinated poly(arylene ether)s membranes for a proton exchange membrane fuel cell (PEMFC)

AU - Lee, Heung Chan

AU - Hong, Hyun Sil

AU - Kim, You Mee

AU - Choi, Sung Ho

AU - Hong, Ming Zi

AU - Lee, Hyun Suk

AU - Kim, Keon

N1 - Funding Information: This study was supported by KOSEF through the Research Center for Energy Conversion and Storage, Korea science and Engineering Foundation (KOSEF R01-2001-00045-0), ‘Center for Nanostructured Materials Technology’ under the ‘21st Century Frontier R & D Programs’ of the Ministry of Science and Technology, Korea and the Korea Electric Power Corporation.

PY - 2004/6/15

Y1 - 2004/6/15

N2 - New proton exchange membranes were prepared and evaluated as polymer electrolytes for a proton exchange membrane fuel cell (PEMFC). Two types of fluorinated poly(arylene ether)s (FPAEs) were synthesized by nucleophilic aromatic substitution of decafluorobiphenyl (DFBP) with 4,4′-(hexafluoroisopropylidene)diphenol (HFDP) and bisphenol-A (BPA). The FPAEs so prepared were converted into proton exchange polymers by sulfonation with fuming sulfuric acid (30% SO3). The FPAEs and sulfonated-fluorinated poly(arylene ether)s (S-FPAEs) with various sulfonation levels were characterized using 1H NMR, thermogravimetric analysis (TGA) and back titration, and then successfully evaluated as proton exchange membranes (PEM) with unit cell operation. power output measurements of S-DFBP-HFDP carried out at a cell temperature of 80°C. They exhibited a maximum power density of 425.5 mW/cm2 at 1150 mA/cm2.

AB - New proton exchange membranes were prepared and evaluated as polymer electrolytes for a proton exchange membrane fuel cell (PEMFC). Two types of fluorinated poly(arylene ether)s (FPAEs) were synthesized by nucleophilic aromatic substitution of decafluorobiphenyl (DFBP) with 4,4′-(hexafluoroisopropylidene)diphenol (HFDP) and bisphenol-A (BPA). The FPAEs so prepared were converted into proton exchange polymers by sulfonation with fuming sulfuric acid (30% SO3). The FPAEs and sulfonated-fluorinated poly(arylene ether)s (S-FPAEs) with various sulfonation levels were characterized using 1H NMR, thermogravimetric analysis (TGA) and back titration, and then successfully evaluated as proton exchange membranes (PEM) with unit cell operation. power output measurements of S-DFBP-HFDP carried out at a cell temperature of 80°C. They exhibited a maximum power density of 425.5 mW/cm2 at 1150 mA/cm2.

KW - Fluorinated

KW - PEM

KW - PEMFC

KW - Poly(arylene ether)

KW - Sulfonation

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JO - Electrochimica Acta

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ER -

Preparation and evaluation of sulfonated-fluorinated poly(arylene ether)s membranes for a proton exchange membrane fuel cell (PEMFC)

Abstract

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