| 학회 |
한국화학공학회 |
| 학술대회 |
2009년 봄 (04/23 ~ 04/24, 광주 김대중컨벤션센터) |
| 권호 |
15권 1호, p.17 |
| 발표분야 |
고분자 |
| 제목 |
Anhydrous Proton Conducting Membranes Based on PVDF Electrolytes for High Temperature Fuel Cells |
| 초록 |
A comb-like copolymer consisting of a poly(vinylidene fluoride-co-chlorotrifluoroethylene) backbone and poly(hydroxy ethyl acrylate) side chains, i.e. P(VDF-co-CTFE)-g-PHEA, was synthesized through atom transfer radical polymerization (ATRP) using CTFE units as a macroinitiator. Successful synthesis and a microphase-separated structure of the copolymer were confirmed by proton nuclear magnetic resonance (1H-NMR), FT-IR spectroscopy, and transmission electron microscopy (TEM). This comb-like polymer was crosslinked with 4,5-imidazole dicarboxylic acid (IDA) via the esterification of the OH groups of PHEA and the COOH groups of IDA. Upon doping with phosphoric acid (H3PO4) to form imidazole-H3PO4 complexes, the proton conductivity of the membranes continuously increased with increasing H3PO4 content. A maximum proton conductivity of 0.015 S/cm was achieved at 120 oC under anhydrous conditions. |
| 저자 |
노동규1, 연승현2, 안성훈1, 고종관2, 김종학1
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| 소속 |
1연세대 화공생명공학, 2수소연료전지 특성화 사업단 |
| 키워드 |
atom transfer radical polymerization (ATRP); comb copolymer; crosslinked; proton conductivity; anhydrous polymer electrolyte membrane
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| 원문파일 |
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