지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.12
- 수록면
- 749 - 758 (10page)
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초록· 키워드
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The present work explores the performance and operation limit of electrodialysis cell for HI concentration in sulfur iodine thermochemical hydrogen production process, For this purpose, the electrodialysis cell was assembled with Nafion 117 as a PEM membrane and two activated carbon papers as the electrodes. HIx solution was prepared with composition of HI: I₂: H₂O = 1: 0.5~2.5: 5.2 in molar ratio. The cell and its peripheral apparatus were placed in the specially designed convective oven in order to uniformly maintain the operation temperature. As operation temperature increased, the amount of water transport from anode to cathode increased, thus reducing HI molarity in catholyte. Meanwhile, the current efficiency was constant as about 90 %, irrespective of temperature change. The cell voltage increased with initial I₂ mole ratio as well as anolyte to catholyte mole ratio. Moreover the cell voltage overshot took place within 10 h cell operation, which is due to the I₂ precipitation inside the cell. From the analysis of I₂ mole ratio in the anolyte, it is noted that operation limit (in I₂ mole ratio) of the electrodialysis cell, arising from was measured to be 3.2, which is much lower than bulk solubility limit of 4.7.
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참고문헌 (26)
참고문헌 신청
김미선 / 2005 / 수소 혁명의 시대 / 살림출판사 :5~10
J. E. Funk / 2001 / Thermochemical Hydrogen Production: Past and Present / Int. J. Hydrogen Energy 26:185~190
J. L. Russell / 1976 / Water splitting - a progress report / Proceedings of First World Hydrogen Energy Conference :1A105~1A124
J. H. Norman / 1981 / Thermochemical Water-Splitting for Hydrogen Production
J. H. Norman / 1982 / Thermochemical Water-Splitting Cycle: Bench-Scale Investigations and Process Engineering
J. E. Funk / 2001 / Thermochemical Hydrogen Production: Past and Present / Int. J. Hydrogen Energy 26:185~190
J. L. Russell / 1976 / Water splitting - a progress report / Proceedings of First World Hydrogen Energy Conference :1A105~1A124
J. H. Norman / 1981 / Thermochemical Water-Splitting for Hydrogen Production
J. H. Norman / 1982 / Thermochemical Water-Splitting Cycle: Bench-Scale Investigations and Process Engineering
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