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Self-Humidifying Membrane for High-Performance Fuel Cells Operating at Harsh Conditions: Heterojunction of Proton and Anion Exchange Membranes Composed of Acceptor-Doped SnP2O7 Compositesopen access
- Authors
- Heo, Pilwon; Kim, Mijeong; Ko, Hansol; Nam, Sang Yong; Kim, Kihyun
- Issue Date
- Oct-2021
- Publisher
- MDPI
- Keywords
- self-humidifying membrane; acceptor doped SnP2O7; heterojunction membrane; proton exchange membrane; anion exchange membrane
- Citation
- MEMBRANES, v.11, no.10
- Indexed
- SCIE
SCOPUS
- Journal Title
- MEMBRANES
- Volume
- 11
- Number
- 10
- ISSN
- 2077-0375
2077-0375
- Abstract
- Here we suggest a simple and novel method for the preparation of a high-performance self-humidifying fuel cell membrane operating at high temperature (> 100 & DEG;C) and low humidity conditions (< 30% RH). A self-humidifying membrane was effectively prepared by laminating together proton and anion exchange membranes composed of acceptor-doped SnP2O7 composites, Sn0.9In0.1H0.1P2O7/Sn0.92Sb0.08(OH)(0.08)P2O7. At the operating temperature of 100 & DEG;C, the electrochemical performances of the membrane electrode assembly (MEA) with this heterojunction membrane at 3.5% RH were better than or comparable to those of each MEA with only the proton or anion exchange membranes at 50% RH or higher.</p>
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Collections - 공학계열 > Dept.of Materials Engineering and Convergence Technology > Journal Articles
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