Anionic membrane and ionomer based on poly(2,6-dimethyl-1,4-phenylene oxide) for alkaline membrane fuel cells

Ai Lien Ong, Saeed Saad, Rong Lan, Robert J. Goodfellow, Shanwen Tao

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Hydroxyl-ion conductive poly(2,6-dimethyl-1,4-phenylene oxide) (PPO) membranes with different characteristics were prepared via relatively simple bromination/amination serial reactions with reduced number of involved chemicals and shorter reaction time. The effects of reactants ratio, reaction atmosphere, polymer concentration, casting solvent, and hydroxylation treatment on reaction were investigated in details. The microstructure, water uptake, swelling ratio, ion-exchange capacity and ionic conductivity of the membranes were also studied. The obtained results demonstrate that, the ionic conductivity of the membrane is dependent on casting solvent. The N-methyl-2-pyrrolidonecast membrane exhibits the highest conductivity with the thinnest film. Although the membrane was prepared via a relatively simple preparation route with least toxic chemicals, a competitive ionic conductivity value of 1.64 x 10(-2) S cm(-1) was achieved at 60 degrees C. A power density of 19.5 mW cm(-2) has been demonstrated from the alkaline membrane fuel cell operated at 70 degrees C. assembled from the entirely homemade membrane electrode assembly without any hot-pressing.

LanguageEnglish
Pages8272-8279
Number of pages8
JournalJournal of Power Sources
Volume196
Issue number20
DOIs
Publication statusPublished - 15 Oct 2011

Fingerprint

Ionomers
fuel cells
Fuel cells
membranes
Membranes
Oxides
oxides
Ionic conductivity
ion currents
plasticizers
Casting
bromination
Amination
Polyphenylene oxides
conductivity
Hydroxylation
hot pressing
Poisons
Hot pressing
poly(2,6-dimethyl-1,4-phenylene oxide)

Keywords

  • Alkaline membrane fuel cell
  • Amination
  • Bromination
  • Ionic conductivity
  • PPO
  • exchange membrane
  • electrodes

Cite this

Ong, Ai Lien ; Saad, Saeed ; Lan, Rong ; Goodfellow, Robert J. ; Tao, Shanwen. / Anionic membrane and ionomer based on poly(2,6-dimethyl-1,4-phenylene oxide) for alkaline membrane fuel cells. In: Journal of Power Sources. 2011 ; Vol. 196, No. 20. pp. 8272-8279.
@article{515ddc0f541747fcbb0b9ea093fd9360,
title = "Anionic membrane and ionomer based on poly(2,6-dimethyl-1,4-phenylene oxide) for alkaline membrane fuel cells",
abstract = "Hydroxyl-ion conductive poly(2,6-dimethyl-1,4-phenylene oxide) (PPO) membranes with different characteristics were prepared via relatively simple bromination/amination serial reactions with reduced number of involved chemicals and shorter reaction time. The effects of reactants ratio, reaction atmosphere, polymer concentration, casting solvent, and hydroxylation treatment on reaction were investigated in details. The microstructure, water uptake, swelling ratio, ion-exchange capacity and ionic conductivity of the membranes were also studied. The obtained results demonstrate that, the ionic conductivity of the membrane is dependent on casting solvent. The N-methyl-2-pyrrolidonecast membrane exhibits the highest conductivity with the thinnest film. Although the membrane was prepared via a relatively simple preparation route with least toxic chemicals, a competitive ionic conductivity value of 1.64 x 10(-2) S cm(-1) was achieved at 60 degrees C. A power density of 19.5 mW cm(-2) has been demonstrated from the alkaline membrane fuel cell operated at 70 degrees C. assembled from the entirely homemade membrane electrode assembly without any hot-pressing.",
keywords = "Alkaline membrane fuel cell, Amination, Bromination, Ionic conductivity, PPO, exchange membrane, electrodes",
author = "Ong, {Ai Lien} and Saeed Saad and Rong Lan and Goodfellow, {Robert J.} and Shanwen Tao",
year = "2011",
month = "10",
day = "15",
doi = "10.1016/j.jpowsour.2011.06.015",
language = "English",
volume = "196",
pages = "8272--8279",
journal = "Journal of Power Sources",
issn = "0378-7753",
number = "20",

}

Anionic membrane and ionomer based on poly(2,6-dimethyl-1,4-phenylene oxide) for alkaline membrane fuel cells. / Ong, Ai Lien; Saad, Saeed; Lan, Rong; Goodfellow, Robert J.; Tao, Shanwen.

In: Journal of Power Sources, Vol. 196, No. 20, 15.10.2011, p. 8272-8279.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Anionic membrane and ionomer based on poly(2,6-dimethyl-1,4-phenylene oxide) for alkaline membrane fuel cells

AU - Ong, Ai Lien

AU - Saad, Saeed

AU - Lan, Rong

AU - Goodfellow, Robert J.

AU - Tao, Shanwen

PY - 2011/10/15

Y1 - 2011/10/15

N2 - Hydroxyl-ion conductive poly(2,6-dimethyl-1,4-phenylene oxide) (PPO) membranes with different characteristics were prepared via relatively simple bromination/amination serial reactions with reduced number of involved chemicals and shorter reaction time. The effects of reactants ratio, reaction atmosphere, polymer concentration, casting solvent, and hydroxylation treatment on reaction were investigated in details. The microstructure, water uptake, swelling ratio, ion-exchange capacity and ionic conductivity of the membranes were also studied. The obtained results demonstrate that, the ionic conductivity of the membrane is dependent on casting solvent. The N-methyl-2-pyrrolidonecast membrane exhibits the highest conductivity with the thinnest film. Although the membrane was prepared via a relatively simple preparation route with least toxic chemicals, a competitive ionic conductivity value of 1.64 x 10(-2) S cm(-1) was achieved at 60 degrees C. A power density of 19.5 mW cm(-2) has been demonstrated from the alkaline membrane fuel cell operated at 70 degrees C. assembled from the entirely homemade membrane electrode assembly without any hot-pressing.

AB - Hydroxyl-ion conductive poly(2,6-dimethyl-1,4-phenylene oxide) (PPO) membranes with different characteristics were prepared via relatively simple bromination/amination serial reactions with reduced number of involved chemicals and shorter reaction time. The effects of reactants ratio, reaction atmosphere, polymer concentration, casting solvent, and hydroxylation treatment on reaction were investigated in details. The microstructure, water uptake, swelling ratio, ion-exchange capacity and ionic conductivity of the membranes were also studied. The obtained results demonstrate that, the ionic conductivity of the membrane is dependent on casting solvent. The N-methyl-2-pyrrolidonecast membrane exhibits the highest conductivity with the thinnest film. Although the membrane was prepared via a relatively simple preparation route with least toxic chemicals, a competitive ionic conductivity value of 1.64 x 10(-2) S cm(-1) was achieved at 60 degrees C. A power density of 19.5 mW cm(-2) has been demonstrated from the alkaline membrane fuel cell operated at 70 degrees C. assembled from the entirely homemade membrane electrode assembly without any hot-pressing.

KW - Alkaline membrane fuel cell

KW - Amination

KW - Bromination

KW - Ionic conductivity

KW - PPO

KW - exchange membrane

KW - electrodes

UR - http://www.scopus.com/inward/record.url?scp=79961030820&partnerID=8YFLogxK

U2 - 10.1016/j.jpowsour.2011.06.015

DO - 10.1016/j.jpowsour.2011.06.015

M3 - Article

VL - 196

SP - 8272

EP - 8279

JO - Journal of Power Sources

T2 - Journal of Power Sources

JF - Journal of Power Sources

SN - 0378-7753

IS - 20

ER -