| Presentation | 2019-05-30 Construction of a high-efficiency thermophotovoltaic power generation system using a highly selective silicon rod type thermal emitter Masahiro Suemitsu, Takashi Asano, Susumu Noda, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | We designed a thermophotovoltaic system that combines a Si rod-type thermal emitter with a high wavelength selectivity and a photovoltaic cell with a band-gap wavelength of 1.76 um, and tested its power generation. We built a system that can accurately measure the input thermal energy for the emitter, the temperature, and the electrical output power. The experimentally determined system efficiency, which is the ratio of ingoing thermal energy to output power of the photovoltaic cell, is above 10% at an emitter temperature of 1338 K. This is a high efficiency, i.e., larger than the highest value that has been previously reported, 6.8%. The present result can be considered as the present world record for the efficiency of a thermophotovoltaic system. We expect that by further efficiency improvements in the future, the heat that has so far been considered as wasted can be effectively utilized, and that these improvements lead to the development of the field of distributed energy supplies using combustion heat. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Narrow-band thermal emitter / Energy conversion |
| Paper # | LQE2019-12 |
| Date of Issue | 2019-05-23 (LQE) |
| Conference Information | |
| Committee | LQE / LSJ |
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| Conference Date | 2019/5/30(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | Kiichi Hamamoto(Kyusyu Univ.) |
| Vice Chair | Hiroshi Aruga(Mitsubishi Electric) |
| Secretary | Hiroshi Aruga(SEI) / (Furukawa Electric Industries) |
| Assistant | Masaya Nagai(Osaka Univ.) |
| Paper Information | |
| Registration To | Technical Committee on Lasers and Quantum Electronics / The Laser Society of Japan |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Construction of a high-efficiency thermophotovoltaic power generation system using a highly selective silicon rod type thermal emitter |
| Sub Title (in English) | |
| Keyword(1) | Narrow-band thermal emitter |
| Keyword(2) | Energy conversion |
| 1st Author's Name | Masahiro Suemitsu |
| 1st Author's Affiliation | Osaka Gas/ Kyoto University(Osaka Gas/ Kyoto Univ.) |
| 2nd Author's Name | Takashi Asano |
| 2nd Author's Affiliation | Kyoto University(Kyoto Univ.) |
| 3rd Author's Name | Susumu Noda |
| 3rd Author's Affiliation | Kyoto University(Kyoto Univ.) |
| Date | 2019-05-30 |
| Paper # | LQE2019-12 |
| Volume (vol) | vol.119 |
| Number (no) | LQE-63 |
| Page | pp.pp.9-10(LQE), |
| #Pages | 2 |
| Date of Issue | 2019-05-23 (LQE) |