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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ning, M. Ando, Y. Tanaka, T. Takashima, T. |
| Copyright Year | 2000 |
| Description | Author affiliation: Electrotech. Lab., Tsukuba, Japan (Ning, M.) |
| Abstract | A solar thermal cell converts low temperature solar thermal energy into electric power. It consists of chemical reactions of 2-propanol dehydrogenation and acetone hydrogenation, and a fuel cell. In this study, we studied photocatalytic 2-propanol dehydrogenation in order to apply directly sunlight to solar thermal cell. We report the results of 2-propanol dehydrogenation when noble metal (Pt, Ru, Rh and Pd) supported on TiO/sub 2/ was used as a catalyst (designated hereafter as metal/TiO/sub 2/). A metal loading ratio was 5 wt%. Three kinds of TiO/sub 2/ (Ishihara sangyo kaisha. LTD:ST-O1, ST-21 and ST-31) were used in this study. The particle size of ST-O1, ST-21 and ST-31 was 7, 20 and 7 /spl mu/m, respectively. The specific surface area of ST-O1, ST-21 and ST-31 was 321, 60.9 and 275 m/sup 2//g, respectively. We examined the activity of various combinations of noble metal and TiO/sub 2/ for the reaction and it is revealed that Pt/ST-O1 has the highest activity. Compared with 2-propanol dehydrogenation with noble metal supported on activated carbon, which is not photoreaction, the characteristics of photocatalytic 2-propanol dehydrogenation with metal/TiO/sub 2/ are summarized in small acetone retardation, large reaction rate under nonboiling condition and large reaction rate under high acetone concentration. |
| Starting Page | 405 |
| Ending Page | 410 |
| File Size | 383120 |
| Page Count | 6 |
| File Format | |
| ISBN | 1563473755 |
| DOI | 10.1109/IECEC.2000.870718 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2000-07-24 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | AIAA |
| Subject Keyword | Electrodes Fuel cells Hydrogen Inductors Temperature Protons Electrons Chemicals Laboratories Solar energy |
| Content Type | Text |
| Resource Type | Article |
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