-HO mixture using ion exchange membranesTanaka, Nobuyuki 
; Yamaki, Tetsuya; Asano, Masaharu; Maekawa, Yasunari; Terai, Takayuki*; Onuki, Kaoru
In the thermochemical water-splitting iodine-sulfur process for hydrogen production, an electro-electrodialysis was applied to increase the HI molality of a HI-I-HO mixture. In order to investigate the temperature dependence of the membrane performance for increasing the HI concentration, a theoretical formula for the performance indexes (proton transport number, initial cell voltage, and ratio of water permeation to proton permeation in the membrane) was derived on the basis of the Nernst-Planck equation and electrophoresis theory. The obtained formula could reproduce the experimental values of the grafted membranes and Nafion 212 in the temperature range 313-373 K and was validated.
Language |
: | English |
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Volume |
: | 411-412 |
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Pages |
: | p.99 - 108 |
Publication Year/Month |
: | 2012/09 |
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Keywords |
: | no keyword |
Article of JAEA R&D Review |
: | Increased Energy Efficiency for Hydrogen Production; Study of Ion Permeation Mechanism in Membrane of HI Concentrator[ |
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Percentile:43.73 Category:Engineering, Chemical |
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