Highly durable polybenzimidazole composite membranes with phosphonated graphene oxide for high temperature polymer electrolyte membrane fuel cells

Polymer electrolyte membranes with highly stable phosphoric acid loading continue to pose a challenge for the development of durable high temperature polymer electrolyte membrane fuel cells. A new class of highly conductive and durable composite membranes is prepared for high temperature fuel cell a...

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Main Authors: Abouzari-Lotf, E., Zakeri, M., Nasef, M.M., Miyake, M., Mozarmnia, P., Bazilah, N.A., Emelin, N.F., Ahmad, A.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.22166 /
Published: 2019
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85056886687&doi=10.1016%2fj.jpowsour.2018.11.057&partnerID=40&md5=32b2d8fe67245e3479a31db379491d35
http://eprints.utp.edu.my/22166/
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spelling utp-eprints.221662019-02-28T05:47:01Z Highly durable polybenzimidazole composite membranes with phosphonated graphene oxide for high temperature polymer electrolyte membrane fuel cells Abouzari-Lotf, E. Zakeri, M. Nasef, M.M. Miyake, M. Mozarmnia, P. Bazilah, N.A. Emelin, N.F. Ahmad, A. Polymer electrolyte membranes with highly stable phosphoric acid loading continue to pose a challenge for the development of durable high temperature polymer electrolyte membrane fuel cells. A new class of highly conductive and durable composite membranes is prepared for high temperature fuel cell application under anhydrous conditions. 2,6-Pyridine functionalized polybenzimidazole (Py-PBI) is used as substrate for hosting phosphoric acid moiety. A highly dispersible phosphonated graphene oxide (PGO) introduced to Py-PBI substrate at different levels prior to acid doping and conductivity, durability and fuel cell performance of developed membranes are evaluated. A proton conductivity as high as 76.4 � 10�3 S cm�1 is achieved at 140 °C under anhydrous condition. A strong correlation is found between the content of PGO and the stability of the acid content despite similarity in doping level. In general, the conductivity is obviously more stable in the PGO containing membranes. A Pt-catalyzed fuel cell using the developed composite membranes show a peak power density >359 mW cm�2 at 120 °C under anhydrous condition which is above 75 improvements compared to the membranes without the phosphonated filler. This work demonstrates that the adopted membrane preparation strategy and their observed properties pave the way for highly conductive and durable proton conducting membranes. © 2018 Elsevier B.V. 2019 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85056886687&doi=10.1016%2fj.jpowsour.2018.11.057&partnerID=40&md5=32b2d8fe67245e3479a31db379491d35 Abouzari-Lotf, E. and Zakeri, M. and Nasef, M.M. and Miyake, M. and Mozarmnia, P. and Bazilah, N.A. and Emelin, N.F. and Ahmad, A. (2019) Highly durable polybenzimidazole composite membranes with phosphonated graphene oxide for high temperature polymer electrolyte membrane fuel cells. Journal of Power Sources . pp. 238-245. http://eprints.utp.edu.my/22166/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description Polymer electrolyte membranes with highly stable phosphoric acid loading continue to pose a challenge for the development of durable high temperature polymer electrolyte membrane fuel cells. A new class of highly conductive and durable composite membranes is prepared for high temperature fuel cell application under anhydrous conditions. 2,6-Pyridine functionalized polybenzimidazole (Py-PBI) is used as substrate for hosting phosphoric acid moiety. A highly dispersible phosphonated graphene oxide (PGO) introduced to Py-PBI substrate at different levels prior to acid doping and conductivity, durability and fuel cell performance of developed membranes are evaluated. A proton conductivity as high as 76.4 � 10�3 S cm�1 is achieved at 140 °C under anhydrous condition. A strong correlation is found between the content of PGO and the stability of the acid content despite similarity in doping level. In general, the conductivity is obviously more stable in the PGO containing membranes. A Pt-catalyzed fuel cell using the developed composite membranes show a peak power density >359 mW cm�2 at 120 °C under anhydrous condition which is above 75 improvements compared to the membranes without the phosphonated filler. This work demonstrates that the adopted membrane preparation strategy and their observed properties pave the way for highly conductive and durable proton conducting membranes. © 2018 Elsevier B.V.
format Article
author Abouzari-Lotf, E.
Zakeri, M.
Nasef, M.M.
Miyake, M.
Mozarmnia, P.
Bazilah, N.A.
Emelin, N.F.
Ahmad, A.
spellingShingle Abouzari-Lotf, E.
Zakeri, M.
Nasef, M.M.
Miyake, M.
Mozarmnia, P.
Bazilah, N.A.
Emelin, N.F.
Ahmad, A.
Highly durable polybenzimidazole composite membranes with phosphonated graphene oxide for high temperature polymer electrolyte membrane fuel cells
author_sort Abouzari-Lotf, E.
title Highly durable polybenzimidazole composite membranes with phosphonated graphene oxide for high temperature polymer electrolyte membrane fuel cells
title_short Highly durable polybenzimidazole composite membranes with phosphonated graphene oxide for high temperature polymer electrolyte membrane fuel cells
title_full Highly durable polybenzimidazole composite membranes with phosphonated graphene oxide for high temperature polymer electrolyte membrane fuel cells
title_fullStr Highly durable polybenzimidazole composite membranes with phosphonated graphene oxide for high temperature polymer electrolyte membrane fuel cells
title_full_unstemmed Highly durable polybenzimidazole composite membranes with phosphonated graphene oxide for high temperature polymer electrolyte membrane fuel cells
title_sort highly durable polybenzimidazole composite membranes with phosphonated graphene oxide for high temperature polymer electrolyte membrane fuel cells
publishDate 2019
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85056886687&doi=10.1016%2fj.jpowsour.2018.11.057&partnerID=40&md5=32b2d8fe67245e3479a31db379491d35
http://eprints.utp.edu.my/22166/
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score 11.62408

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