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| Presentation | 2022-10-28 11:35 Study on High-efficiency and Low-cost Si Tandem Solar Cells for PV-powered Vehicles Maasafumi Yamaguchi, Kyptaro Nakamura, Ryo Ozaki, Nobuaki Kojima, Yoshio Ohshita (Toyota Tech. Inst.), Tatsuya Takamoto (Sharp), Shiro Uchida (Chiba Inst. Tech.), Taizo Masuda (Toyota Motor)  MRIS2022-17 CPM2022-48 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | PV (Photovoltaics)-powered electric vehicles (PV-EV) are expected to contribute to creation of clean energy society based on PV because of effective reduction in CO2 emission of vehicles. The Toyota Prius and Nissan Van demonstration cars installed with Sharp’s high-efficiency 3-junction solar cell modules with an efficiency of more than 30% have demonstrated longer driving distance compared to the PV-EV installed with Si solar cell modules with an efficiency of around 20%. However, cost reduction of solar cell modules is also necessary and Si tandem solar cells are very attractive as high-efficiency and low-cost solar cells. This report presents analytical results for high-efficiency potential of Si tandem solar cells and our recent results for 34% InGaP/GaAs/Si 3-junction solar cells. It is shown in this study that longer driving distance of more than 30km/day average and more than 50km/day on clear day will be realized by developing high-efficiency solar cell modules with an efficiency of 35%. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Solar Cells / High-efficiency / Si Tandem / Vehicle Applications / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 231, CPM2022-48, pp. 48-52, Oct. 2022. | |
| Paper # | CPM2022-48 | |
| Date of Issue | 2022-10-20 (MRIS, CPM) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | MRIS2022-17 CPM2022-48 |
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| Conference Information | |
| Committee | MRIS CPM ITE-MMS |
| Conference Date | 2022-10-27 - 2022-10-28 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Shinshu Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Spintronics, Solid State Memory, Functional material, Thin film process, Material, Devices, etc. |
| Paper Information | |
| Registration To | CPM |
| Conference Code | 2022-10-MRIS-CPM-MMS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study on High-efficiency and Low-cost Si Tandem Solar Cells for PV-powered Vehicles |
| Sub Title (in English) | |
| Keyword(1) | Solar Cells |
| Keyword(2) | High-efficiency |
| Keyword(3) | Si Tandem |
| Keyword(4) | Vehicle Applications |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Maasafumi Yamaguchi |
| 1st Author's Affiliation | Toyota Technological Institute (Toyota Tech. Inst.) |
| 2nd Author's Name | Kyptaro Nakamura |
| 2nd Author's Affiliation | Toyota Technological Institute (Toyota Tech. Inst.) |
| 3rd Author's Name | Ryo Ozaki |
| 3rd Author's Affiliation | Toyota Technological Institute (Toyota Tech. Inst.) |
| 4th Author's Name | Nobuaki Kojima |
| 4th Author's Affiliation | Toyota Technological Institute (Toyota Tech. Inst.) |
| 5th Author's Name | Yoshio Ohshita |
| 5th Author's Affiliation | Toyota Technological Institute (Toyota Tech. Inst.) |
| 6th Author's Name | Tatsuya Takamoto |
| 6th Author's Affiliation | Sharp Corporation (Sharp) |
| 7th Author's Name | Shiro Uchida |
| 7th Author's Affiliation | Chiba Institute of Technology (Chiba Inst. Tech.) |
| 8th Author's Name | Taizo Masuda |
| 8th Author's Affiliation | Toyota Motor Corporation (Toyota Motor) |
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| Speaker | Author-1 |
| Date Time | 2022-10-28 11:35:00 |
| Presentation Time | 25 minutes |
| Registration for | CPM |
| Paper # | MRIS2022-17, CPM2022-48 |
| Volume (vol) | vol.122 |
| Number (no) | no.230(MRIS), no.231(CPM) |
| Page | pp.48-52 |
| #Pages | 5 |
| Date of Issue | 2022-10-20 (MRIS, CPM) |
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