고온 PEMFC용 메틸렌 사슬을 포함하는 폴리벤즈이미다졸 랜덤공중합체의 합성과 특성 분석
In this study, we prepared the modified PBI random copolymer to reduce the problems of the pristine PBI about low solubility and proton conductivity. The random copolymer was synthesized from suberic acid, 5-aminoisophthalic acid, and 3,3’-diaminobenzidine to obtain X1Y9, X1Y1, X9Y1. Then, the membr...
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| Published in | 한국수소및신에너지학회논문집, 29(6) pp. 578 - 586 |
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| Main Authors | , |
| Format | Journal Article |
| Language | Korean |
| Published |
한국수소및신에너지학회
01.12.2018
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1738-7264 2288-7407 |
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| Abstract | In this study, we prepared the modified PBI random copolymer to reduce the problems of the pristine PBI about low solubility and proton conductivity.
The random copolymer was synthesized from suberic acid, 5-aminoisophthalic acid, and 3,3’-diaminobenzidine to obtain X1Y9, X1Y1, X9Y1. Then, the membrane was fabricated by using solvent casting method with methanesulfonic acid at 140℃. Subsequently, the membrane was doped with phosphoric acid at 40℃.
The chemical structure of the polymers was characterized by FT-IR. In addition, the physiochemical properties of the PBI were investigated by TGA, oxidative stability, acid uptake. Finally, the proton conductivity was measured at 100-180℃ without humidification. As the result, X1Y9 PBI random copolymer membrane showed higher conductivity. KCI Citation Count: 3 |
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| AbstractList | In this study, we prepared the modified PBI random copolymer to reduce the problems of the pristine PBI about low solubility and proton conductivity.
The random copolymer was synthesized from suberic acid, 5-aminoisophthalic acid, and 3,3’-diaminobenzidine to obtain X1Y9, X1Y1, X9Y1. Then, the membrane was fabricated by using solvent casting method with methanesulfonic acid at 140℃. Subsequently, the membrane was doped with phosphoric acid at 40℃.
The chemical structure of the polymers was characterized by FT-IR. In addition, the physiochemical properties of the PBI were investigated by TGA, oxidative stability, acid uptake. Finally, the proton conductivity was measured at 100-180℃ without humidification. As the result, X1Y9 PBI random copolymer membrane showed higher conductivity. KCI Citation Count: 3 |
| Author | 유동진 한다은 |
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| DocumentTitleAlternate | Synthesis and Characterization of Polybenzimidazole Random Copolymers Containing Methylene Chain for High Temperature PEMFC |
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| PublicationTitle | 한국수소및신에너지학회논문집, 29(6) |
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| Snippet | In this study, we prepared the modified PBI random copolymer to reduce the problems of the pristine PBI about low solubility and proton conductivity.
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| Title | 고온 PEMFC용 메틸렌 사슬을 포함하는 폴리벤즈이미다졸 랜덤공중합체의 합성과 특성 분석 |
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