Development and characterization  of acid-doped  polybenzimidazole/sulfonated polysulfone  blend polymer  electrolytes for fuel  cells

C. Hasiotis; Qingfeng Li; V. Deimede; J. K. Kallitsis; C. G. Kontoyannis; Niels Bjerrum

doi:10.1149/1.1366621

Development and characterization of acid-doped polybenzimidazole/sulfonated polysulfone blend polymer electrolytes for fuel cells

C. Hasiotis, Qingfeng Li, V. Deimede, J. K. Kallitsis, C. G. Kontoyannis, Niels Bjerrum

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Abstract

Polymeric membranes from blends of sulfonated polysulfones (SPSF) and polybenzimidazole (PBI) doped with phosphoric acid were developed as potential high-temperature polymer electrolytes for fuel cells and other electrochemical applications. The water uptake and acid doping of these polymeric membranes were investigated. Ionic conductivity of the membranes was measured in relation to temperature, acid doping level, sulfonation degree of SPSF, relative humidity, and blend composition. The conductivity of SPSF was of the order of 10/sup -3/ S cm/sup -1/. In the case of blends of PBI and SPSF it was found to be higher than 10/sup -2/ S cm/sup -1/. Much improvement in the mechanical strength is observed for the blend polymer membranes, especially at higher temperatures. Preliminary work has demonstrated the feasibility of these polymeric membranes for fuel-cell applications

Original language	English
Journal	Journal of The Electrochemical Society
Volume	148
Issue number	5
Pages (from-to)	A513-A519
ISSN	0013-4651
DOIs	https://doi.org/10.1149/1.1366621
Publication status	Published - 2001

Bibliographical note

Copyright The Electrochemical Society, Inc. [2001]. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS).

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@article{f4a5aa1186bd4cc2a83e838057fd0760,

title = "Development and characterization of acid-doped polybenzimidazole/sulfonated polysulfone blend polymer electrolytes for fuel cells",

abstract = "Polymeric membranes from blends of sulfonated polysulfones (SPSF) and polybenzimidazole (PBI) doped with phosphoric acid were developed as potential high-temperature polymer electrolytes for fuel cells and other electrochemical applications. The water uptake and acid doping of these polymeric membranes were investigated. Ionic conductivity of the membranes was measured in relation to temperature, acid doping level, sulfonation degree of SPSF, relative humidity, and blend composition. The conductivity of SPSF was of the order of 10/sup -3/ S cm/sup -1/. In the case of blends of PBI and SPSF it was found to be higher than 10/sup -2/ S cm/sup -1/. Much improvement in the mechanical strength is observed for the blend polymer membranes, especially at higher temperatures. Preliminary work has demonstrated the feasibility of these polymeric membranes for fuel-cell applications",

author = "C. Hasiotis and Qingfeng Li and V. Deimede and Kallitsis, {J. K.} and Kontoyannis, {C. G.} and Niels Bjerrum",

note = "Copyright The Electrochemical Society, Inc. [2001]. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS).",

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TY - JOUR

T1 - Development and characterization of acid-doped polybenzimidazole/sulfonated polysulfone blend polymer electrolytes for fuel cells

AU - Hasiotis, C.

AU - Li, Qingfeng

AU - Deimede, V.

AU - Kallitsis, J. K.

AU - Kontoyannis, C. G.

AU - Bjerrum, Niels

N1 - Copyright The Electrochemical Society, Inc. [2001]. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS).

PY - 2001

Y1 - 2001

N2 - Polymeric membranes from blends of sulfonated polysulfones (SPSF) and polybenzimidazole (PBI) doped with phosphoric acid were developed as potential high-temperature polymer electrolytes for fuel cells and other electrochemical applications. The water uptake and acid doping of these polymeric membranes were investigated. Ionic conductivity of the membranes was measured in relation to temperature, acid doping level, sulfonation degree of SPSF, relative humidity, and blend composition. The conductivity of SPSF was of the order of 10/sup -3/ S cm/sup -1/. In the case of blends of PBI and SPSF it was found to be higher than 10/sup -2/ S cm/sup -1/. Much improvement in the mechanical strength is observed for the blend polymer membranes, especially at higher temperatures. Preliminary work has demonstrated the feasibility of these polymeric membranes for fuel-cell applications

AB - Polymeric membranes from blends of sulfonated polysulfones (SPSF) and polybenzimidazole (PBI) doped with phosphoric acid were developed as potential high-temperature polymer electrolytes for fuel cells and other electrochemical applications. The water uptake and acid doping of these polymeric membranes were investigated. Ionic conductivity of the membranes was measured in relation to temperature, acid doping level, sulfonation degree of SPSF, relative humidity, and blend composition. The conductivity of SPSF was of the order of 10/sup -3/ S cm/sup -1/. In the case of blends of PBI and SPSF it was found to be higher than 10/sup -2/ S cm/sup -1/. Much improvement in the mechanical strength is observed for the blend polymer membranes, especially at higher temperatures. Preliminary work has demonstrated the feasibility of these polymeric membranes for fuel-cell applications

U2 - 10.1149/1.1366621

DO - 10.1149/1.1366621

M3 - Journal article

SN - 0013-4651

VL - 148

SP - A513-A519

JO - Journal of The Electrochemical Society

JF - Journal of The Electrochemical Society

IS - 5

ER -