JP2019520705A - 超薄型、可撓性、耐放射線性の日陰対応光起電力装置 - Google Patents
超薄型、可撓性、耐放射線性の日陰対応光起電力装置 Download PDFInfo
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- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
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- H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
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- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
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- Y02E10/00—Energy generation through renewable energy sources
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Abstract
Description
本出願は、2016年6月3日に出願された米国仮特許出願第62/345,019号明細書の非仮特許出願であり、かつその出願に基づいて米国特許法第119条の下で優先権の利益を主張する。
(1)電力密度(W/kg):宇宙展開コストは、新たな衛星を稼働状態にすることに関与する主な費用である。これらのコストは、衛星の質量によって左右され、質量の大部分が太陽光発電システムである。電力密度は、単位質量あたりに放出される電力を記述し、このため、衛星ペイロードに対して利用可能な電力を決定する。
(2)寿命末期の性能:苛酷な宇宙環境における放射線曝露により、太陽電池性能は急速に劣化する。これらの環境において太陽エネルギー変換効率を維持するデバイス設計により、ミッションコストの低減および新たな長期のミッションプロファイルが可能になる。
(3)衛星フォームファクタ:従来技術による従来の宇宙太陽電池は、剛性パネルに実装されている。十分に可撓性があるソーラーパネルにより、衛星の用途での使用に特に好適であり得る新たな衛星フォームファクタが可能となる。たとえば、太陽電池アレイの丸められるシートは、アレイの保護および効率的な打上げ時の積み込みを提供することができ、アレイの展開の動的制御を可能にすることができる。可撓性ソーラーパネルはまた、脆弱な集中電源ユニットを必要とすることなく、構成要素に分かれた超小型衛星群の展開も可能にし、または、衛星の周囲にコンフォーマルに巻き付けられてすべての面からの発電を提供することができる。
以下の表は、カバーガラスを備える典型的な従来技術によるZTJ電池と比較した本発明の有利な特徴を要約する。
InP電池:大部分の場合、GaAs/InGaP p−n接合が、超薄型設計に望ましい非常に低い表面再結合速度を有するため、GaAsが、PV吸収体に対して最も好適な材料となる。しかしながら、InPは、GaAsより耐放射線性が高く、そのため、いくつかの用途ではより好適であり得る。
Claims (12)
- 超薄型、耐放射線性光起電力(PV)デバイスであって、
残光蛍光体が埋め込まれたハンドルに実装された超薄型PV吸収体を備えるPV素子
を備え、
前記PV素子が、前記PV吸収体によって吸収された光子からのエネルギーを電力に変換し、
前記超薄型PV吸収体が、前記PVデバイスが太陽により照射されている間、前記PV吸収体が最初に前記PVデバイスに入射する前記光子のすべてを吸収するのを阻止するように構成された厚さを有し、
前記ハンドル内の前記蛍光体が、前記PV吸収体によって最初に吸収されなかった複数の前記光子を吸収し、前記吸収した光子を前記PV吸収体に戻るように放出するように構成され、
前記PVデバイスが太陽により照射されていないとき、前記PV素子が、前記PV吸収体における前記蛍光体が帯電した光子を用いて電力を発生させる、PVデバイス。 - 前記PV吸収体が、約300nm以下の厚さを有するIII−V半導体材料を含む、請求項1に記載のPVデバイス。
- 前記PV吸収体がGaAsを含む、請求項1に記載のPVデバイス。
- 前記PV吸収体がInPを含む、請求項1に記載のPVデバイス。
- 前記PV吸収体が、約2μm以下の厚さを有するシリコン(Si)を含む、請求項1に記載のPVデバイス。
- 前記蛍光体が埋め込まれたハンドルの背面が凹凸化されて、前記PVデバイスが太陽により照射されている間に電流を発生させるために使用されるように、前記蛍光体に入射する複数の前記光子を前記PV素子に戻るように反射するように構成された反射体を提供する、請求項1に記載のPVデバイス。
- 前記蛍光体が埋め込まれたハンドルの前記凹凸化された背面が均等拡散面反射体を含む、請求項7に記載のPVデバイス。
- 前記蛍光体が埋め込まれたハンドルの前記凹凸化された背面が、0.1nm〜1nmの二乗平均粗さを有する均等拡散面反射体を含む、請求項7に記載のPVデバイス。
- 前記蛍光体が埋め込まれたハンドルの前記背面が光散乱光子構造を含む、請求項1に記載のPVデバイス。
- 前記PV素子が、前記PV素子の正面に複数の交互配置された上部接点および下部接点をさらに備える、請求項1に記載のPVデバイス。
- 前記PV吸収体が、太陽からの放射線に対する曝露の結果として欠陥サイトを含み、
前記PV吸収体の前記厚さが、前記PV素子で光生成された電荷キャリアが前記欠陥サイトで再結合し、前記電荷キャリアが前記上部接点および前記下部接点まで輸送される前に光生成された電流の劣化をもたらすのを防止するように構成されている、請求項1に記載のPVデバイス。 - 前記ハンドルが可撓性膜を備える、請求項1に記載のPVデバイス。
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US201662345019P | 2016-06-03 | 2016-06-03 | |
US62/345,019 | 2016-06-03 | ||
PCT/US2017/035586 WO2017210503A1 (en) | 2016-06-03 | 2017-06-02 | Ultra-thin, flexible, and radiation-tolerant eclipse photovoltaics |
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JP2019520705A true JP2019520705A (ja) | 2019-07-18 |
JP2019520705A5 JP2019520705A5 (ja) | 2021-08-19 |
JP6982008B2 JP6982008B2 (ja) | 2021-12-17 |
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EP (1) | EP3465771B8 (ja) |
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CA (1) | CA3026350A1 (ja) |
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- 2017-06-02 JP JP2018563159A patent/JP6982008B2/ja active Active
- 2017-06-02 CA CA3026350A patent/CA3026350A1/en not_active Abandoned
- 2017-06-02 US US15/611,878 patent/US10530294B2/en active Active
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Patent Citations (4)
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JP2003142716A (ja) * | 2001-11-02 | 2003-05-16 | Seiko Epson Corp | 光電変換装置 |
JP2009212414A (ja) * | 2008-03-06 | 2009-09-17 | Citizen Holdings Co Ltd | 太陽電池素子 |
JP2012119343A (ja) * | 2009-03-31 | 2012-06-21 | Shibaura Mechatronics Corp | 太陽電池の製造方法、太陽電池の製造装置及び太陽電池 |
US20150075612A1 (en) * | 2013-09-18 | 2015-03-19 | Changzhou Almaden Co., Ltd. | High efficiency solar module structure |
Also Published As
Publication number | Publication date |
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JP6982008B2 (ja) | 2021-12-17 |
CA3026350A1 (en) | 2017-12-07 |
EP3465771A4 (en) | 2019-10-23 |
EP3465771A1 (en) | 2019-04-10 |
US20170353149A1 (en) | 2017-12-07 |
ES2845174T3 (es) | 2021-07-26 |
WO2017210503A1 (en) | 2017-12-07 |
EP3465771B8 (en) | 2021-03-24 |
EP3465771B1 (en) | 2020-11-18 |
US10530294B2 (en) | 2020-01-07 |
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