Counter-Anion Effect on the Properties of Anion-Conducting Polymer Electrolyte Membranes Prepared by Radiation-Induced Graft Polymerization
Hiroshi Koshikawa
Conducting Polymer Materials Group, Quantum Beam Science Directorate, Japan Atomic Energy Agency (JAEA), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
Search for more papers by this authorKimio Yoshimura
Conducting Polymer Materials Group, Quantum Beam Science Directorate, Japan Atomic Energy Agency (JAEA), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
Search for more papers by this authorWarapon Sinnananchi
Conducting Polymer Materials Group, Quantum Beam Science Directorate, Japan Atomic Energy Agency (JAEA), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
Search for more papers by this authorTetsuya Yamaki
Conducting Polymer Materials Group, Quantum Beam Science Directorate, Japan Atomic Energy Agency (JAEA), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
Search for more papers by this authorMasaharu Asano
Conducting Polymer Materials Group, Quantum Beam Science Directorate, Japan Atomic Energy Agency (JAEA), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
Search for more papers by this authorKazuya Yamamoto
Daihatsu Motor Co., Ltd., 3000 Oaza Yamanoue, Ryuo, Gamo Shiga 520-2593, Japan
Search for more papers by this authorSusumu Yamaguchi
Daihatsu Motor Co., Ltd., 3000 Oaza Yamanoue, Ryuo, Gamo Shiga 520-2593, Japan
Search for more papers by this authorHirohisa Tanaka
Daihatsu Motor Co., Ltd., 3000 Oaza Yamanoue, Ryuo, Gamo Shiga 520-2593, Japan
Search for more papers by this authorCorresponding Author
Yasunari Maekawa
Conducting Polymer Materials Group, Quantum Beam Science Directorate, Japan Atomic Energy Agency (JAEA), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
Conducting Polymer Materials Group, Quantum Beam Science Directorate, Japan Atomic Energy Agency (JAEA), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan.Search for more papers by this authorHiroshi Koshikawa
Conducting Polymer Materials Group, Quantum Beam Science Directorate, Japan Atomic Energy Agency (JAEA), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
Search for more papers by this authorKimio Yoshimura
Conducting Polymer Materials Group, Quantum Beam Science Directorate, Japan Atomic Energy Agency (JAEA), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
Search for more papers by this authorWarapon Sinnananchi
Conducting Polymer Materials Group, Quantum Beam Science Directorate, Japan Atomic Energy Agency (JAEA), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
Search for more papers by this authorTetsuya Yamaki
Conducting Polymer Materials Group, Quantum Beam Science Directorate, Japan Atomic Energy Agency (JAEA), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
Search for more papers by this authorMasaharu Asano
Conducting Polymer Materials Group, Quantum Beam Science Directorate, Japan Atomic Energy Agency (JAEA), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
Search for more papers by this authorKazuya Yamamoto
Daihatsu Motor Co., Ltd., 3000 Oaza Yamanoue, Ryuo, Gamo Shiga 520-2593, Japan
Search for more papers by this authorSusumu Yamaguchi
Daihatsu Motor Co., Ltd., 3000 Oaza Yamanoue, Ryuo, Gamo Shiga 520-2593, Japan
Search for more papers by this authorHirohisa Tanaka
Daihatsu Motor Co., Ltd., 3000 Oaza Yamanoue, Ryuo, Gamo Shiga 520-2593, Japan
Search for more papers by this authorCorresponding Author
Yasunari Maekawa
Conducting Polymer Materials Group, Quantum Beam Science Directorate, Japan Atomic Energy Agency (JAEA), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
Conducting Polymer Materials Group, Quantum Beam Science Directorate, Japan Atomic Energy Agency (JAEA), 1233 Watanuki, Takasaki, Gunma 370-1292, Japan.Search for more papers by this authorAbstract
Graft-type anion-conducting polymer electrolyte membranes (AEMs) are prepared by the radiation-induced graft polymerization of chloromethylstyrene into poly(ethylene-co-tetrafluoroethylene) (ETFE) films and subsequent quaternization with trimethylamine. AEMs in the hydroxide form (AEM-OH) are prepared by immersing the chloride form (AEM-Cl) in 1 M potassium hydroxide (KOH) solution, followed by KOH and washing with nitrogen-saturated water to prevent bicarbonate formation (AEM-HCO3). The AEM-OH shows conductivity and water uptake four and two times higher than AEM-Cl and -HCO3 and is thermally and chemically less stable, resulting in the tendency to absorb water and to convert to the bicarbonate form.
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