Development of polymer-polymer type charge-transfer blend membranes for fuel cell application

Shiyan Feng, Shoichi Kondo, Takahiro Kaseyama, Taichi Nakazawa, Takamasa Kikuchi, Roman Selyanchyn, Shigenori Fujikawa, Liana Christiani, Kazunari Sasaki, Masamichi Nishihara

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

抄録

We have prepared new charge-transfer (CT) complex polymer blend membranes (CT membranes), for use as high performance polymer electrolyte membranes (PEMs); with a simple and easy preparation method for application in PEFCs. In this study, electron-accepting sulfonated polyimide (SPI) and electron-donating polyether (PE), were used to develop polymer-polymer type CT membranes. The formation of CT complex in the obtained SPI/PE membranes was confirmed by visible spectroscopy. The use of flexible spacers in the PE and heat treatment of the CT membranes, enhanced the CT complex formation. SPI/PE CT membranes showed 1.9–2.2 times higher mechanical strength than the original SPI, while SPI/PE 0.33 CT membrane with heat treatment at 130 °C for 2 h showed 4.3 times higher mechanical strength than the original SPI. Hydrogen permeability through SPI/PE CT membranes was 4.1–5.4 times lower than Nafion 212 and 1.4–1.9 times lower than the original SPI membrane. We have prepared a thin SPI/PE CT membrane (10 µm thickness), that showed comparable OCV (0.88 V), similar resistance compared to Nafion 212 and demonstrated more than 10 h of durability in a fuel cell test; suggesting that SPI/PE thin CT membrane can be applied for PEFC application.

元の言語英語
ページ(範囲)223-231
ページ数9
ジャーナルJournal of Membrane Science
548
DOI
出版物ステータス出版済み - 2 15 2018

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Polymer blends
fuel cells
polyimides
Polyimides
Charge transfer
Fuel cells
Polyethers
Polymers
charge transfer
Cell Membrane
membranes
Membranes
polymers
Strength of materials
heat treatment
Hot Temperature
Heat treatment
Electrons
polymer blends
durability

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Filtration and Separation

これを引用

Development of polymer-polymer type charge-transfer blend membranes for fuel cell application. / Feng, Shiyan; Kondo, Shoichi; Kaseyama, Takahiro; Nakazawa, Taichi; Kikuchi, Takamasa; Selyanchyn, Roman; Fujikawa, Shigenori; Christiani, Liana; Sasaki, Kazunari; Nishihara, Masamichi.

:: Journal of Membrane Science, 巻 548, 15.02.2018, p. 223-231.

研究成果: ジャーナルへの寄稿記事

Feng, Shiyan ; Kondo, Shoichi ; Kaseyama, Takahiro ; Nakazawa, Taichi ; Kikuchi, Takamasa ; Selyanchyn, Roman ; Fujikawa, Shigenori ; Christiani, Liana ; Sasaki, Kazunari ; Nishihara, Masamichi. / Development of polymer-polymer type charge-transfer blend membranes for fuel cell application. :: Journal of Membrane Science. 2018 ; 巻 548. pp. 223-231.
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abstract = "We have prepared new charge-transfer (CT) complex polymer blend membranes (CT membranes), for use as high performance polymer electrolyte membranes (PEMs); with a simple and easy preparation method for application in PEFCs. In this study, electron-accepting sulfonated polyimide (SPI) and electron-donating polyether (PE), were used to develop polymer-polymer type CT membranes. The formation of CT complex in the obtained SPI/PE membranes was confirmed by visible spectroscopy. The use of flexible spacers in the PE and heat treatment of the CT membranes, enhanced the CT complex formation. SPI/PE CT membranes showed 1.9–2.2 times higher mechanical strength than the original SPI, while SPI/PE 0.33 CT membrane with heat treatment at 130 °C for 2 h showed 4.3 times higher mechanical strength than the original SPI. Hydrogen permeability through SPI/PE CT membranes was 4.1–5.4 times lower than Nafion 212 and 1.4–1.9 times lower than the original SPI membrane. We have prepared a thin SPI/PE CT membrane (10 µm thickness), that showed comparable OCV (0.88 V), similar resistance compared to Nafion 212 and demonstrated more than 10 h of durability in a fuel cell test; suggesting that SPI/PE thin CT membrane can be applied for PEFC application.",
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AU - Feng, Shiyan

AU - Kondo, Shoichi

AU - Kaseyama, Takahiro

AU - Nakazawa, Taichi

AU - Kikuchi, Takamasa

AU - Selyanchyn, Roman

AU - Fujikawa, Shigenori

AU - Christiani, Liana

AU - Sasaki, Kazunari

AU - Nishihara, Masamichi

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