| 학회 |
한국공업화학회 |
| 학술대회 |
2022년 봄 (05/11 ~ 05/13, 제주국제컨벤션센터(ICC JEJU)) |
| 권호 |
26권 1호 |
| 발표분야 |
포스터-에너지저장·변환 |
| 제목 |
Diaphragm with improved gas barrier properties for alkaline water electrolysis |
| 초록 |
Alkaline water electrolysis (AWE) is suitable for mass production of hydrogen owing to the low installation cost resulting from the absence of precious metal catalyst. Zirfon, a commercial porous membrane for AWE, has insufficient gas barrier property, demanding a need for the development of a large-area porous membrane with high ionic conductivity and low hydrogen permeability. In this study, we developed a diaphragm prepared from polysulfone(PSU)-ionic polymer blend and zirconia nanoparticles by non-solvent induced phase separation (NIPS) method. The resulting diaphragm exhibited higher gas barrier properties and lower membrane resistance than a diaphragm based on PSU alone. Finally, the diaphragm with the optimized composition showed about 50% higher current density than Zirfon in 1.825V. |
| 저자 |
송유호1, 김송미1, 이성민1, 배진우2, 김태호1
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| 소속 |
1한국화학(연), 2한국기술교육대 |
| 키워드 |
Alkaline electrolysis; Diaphragm; Gas barrier property; Ionic conductivity; Polymer blend
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| E-Mail |
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