2013 Fiscal Year Final Research Report
Development of high performance emitters for TPV power generator using eutectic materials formed from amorphous materials
| Project/Area Number |
23560799
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Inorganic materials/Physical properties
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| Research Institution | Chiba University |
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Principal Investigator |
KAKEGAWA Kazuyuki 千葉大学, 工学(系)研究科(研究院), 教授 (50009693)
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| Co-Investigator(Kenkyū-buntansha) |
UEKAWA Naofumi 千葉大学, 大学院工学研究科, 准教授 (60282448)
KOJIMA Takashi 千葉大学, 大学院工学研究科, 准教授 (70333896)
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| Project Period (FY) |
2011 – 2013
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| Keywords | TPV発電 / 非晶体 / 共晶組織 / 超急冷 / 湿式 / SPS |
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| Research Abstract |
Thermophotovoltaic system generates electricity by applying an infrared radiation from a heated emitter to TPV cell. Emitters are required to radiate infrared having wave lengths of 1-2 micro meters. Previous studies used Al2O3-ER2O3 (ER: rare earth elements) eutectic systems. In these systems, when the composition departs from the eutectic composition, inhomogeneous primary crystals form. This study succeeded to fabricate emitters by a crystallization of amorphous materials. This method enabled to form a structure in which two components homogeneously entangle each other, even when the composition departs from the eutectic composition. Using this method, expensive rare earth could be reduced without deteriorating the generation performance. While the main method to form amorphous materials was rapid quenching, wet methods were also developed. These methods could fabricate amorphous materials with high productivity.
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