JP5334066B2 - 宇宙用途向けの太陽電池、特に、多−接合太陽電池 - Google Patents
宇宙用途向けの太陽電池、特に、多−接合太陽電池 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 claims abstract description 35
- 239000008393 encapsulating agent Substances 0.000 claims abstract description 26
- 239000006059 cover glass Substances 0.000 claims description 15
- 239000003566 sealing material Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 11
- 239000002216 antistatic agent Substances 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 7
- 239000006117 anti-reflective coating Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 3
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- 238000006303 photolysis reaction Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 210000004027 cell Anatomy 0.000 description 86
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- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000015843 photosynthesis, light reaction Effects 0.000 description 1
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- 229920001296 polysiloxane Polymers 0.000 description 1
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- H01L31/074—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 characterised by potential barriers the potential barriers being only of the PN heterojunction type comprising a heterojunction with an element of Group IV of the Periodic Table, e.g. ITO/Si, GaAs/Si or CdTe/Si solar cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Description
2 pn接合
3 pn接合
4 ウェハー
5 トレンチの側壁
6 不動態層
7 接触グリッド
8 接触パッド
9 反射防止コーティング
10 ウェハーの端部
11 電池端部の段差部
12 結合部
13 基板
14 太陽電池
15 カバーガラス
16 封止材
17 電池相互接続体
18 後面金属化部
19 メサグルーブ
20 メサウォール
22 メサグルーブ19内の内部/アクティブ電池端部
25 帯電防止材料/経路
26 ウェハーのバルク
27 半導体本体
28 内部電池領域
29 切り取られた角部
30 切り取られた角部
31 第1主表面
32 第2主表面
33 電池端部
d メサグルーブ19の深さ
e 段差部11の幅
h 封止材16の厚さ
x メサウォール20の幅
y メサグルーブ19の幅
α 入射角
Claims (15)
- 太陽電池(14)であって、
前記太陽電池(14)が、
半導体本体(27)の第1主表面(31)と、前記第1主表面(31)と対向する第2主表面(32)であって、互いの上部上に積層されたpn−接合(1,2,3)の全体の中で最上端のpn−接合(1)が、前記第1主表面(31)と隣接する、第1主表面(31)と第2主表面(32)と、
前記第1及び第2主表面(31,32)の形状及び前記太陽電池の形状を画定する前記半導体本体(27)の電池端部(33)と、
前記半導体本体(27)の環境からの保護を提供するための、前記第1主表面(31)上に設けられた封止材(16)と、
前記第1主表面(31)上に設けられ、少なくとも前記最上端のpn−接合(1)を貫通するメサグルーブ(19)と、
を備え、
前記メサグルーブ(19)が、前記電池端部(33)に隣接して位置し、前記半導体本体(27)の周囲に形成され、内部電池領域及びメサウォール20が設けられ、前記メサウォール(20)が、前記メサグルーブ(19)と前記電池端部(33)との間に形成されており、
前記メサグルーブ(19)が、前記封止材(16)で充填されており、
前記封止材(16)が前記電池端部(33)に接触しないことを特徴とする特に多−接合太陽電池である太陽電池(14)。 - 前記内部電池領域が、前記メサグルーブ(19)によって、完全に囲まれていることを特徴とする請求項1に記載の太陽電池。
- 前記pn−接合の全体の中の全てのpn−接合(1,2,3)が、前記メサグルーブ(19)によって貫通され、前記メサウォール(20)が、前記内部電池領域から電気的に分離されていることを特徴とする請求項1または2に記載の太陽電池。
- 前記メサウォール(20)が、前記内部電池領域に機械的に結合された前記メサグルーブ(19)の各々の深さであることを特徴とする請求項1から3のいずれか一項に記載の太陽電池。
- 前記メサグルーブ(19)の幅が、前記封止材の材料の粘度に応じて選択されていることを特徴とする請求項1から4のいずれか一項に記載の太陽電池。
- 前記太陽電池が、傾いた条件下で操作される場合に、前記メサウォール(20)の幅の寸法が、側面からのUV放射線をブロックするように調節されていることを特徴とする請求項1から5のいずれか一項に記載の太陽電池。
- 前記封止材の材料が、非−導電性であることを特徴とする請求項1から6のいずれか一項に記載の太陽電池。
- 前記内部電池領域(28)内のみにおける前記半導体本体(27)の前記第1主表面(31)上に、接触グリッド(7)が設けられていることを特徴とする請求項1から7のいずれか一項に記載の太陽電池。
- 前記メサウォール(20)の上部上に及び前記接触グリッド(7)を覆う前記内部電池領域上に、非−導電性反射防止コーティング(9)が設けられていることを特徴とする請求項8に記載の太陽電池。
- 前記第1主表面(31)上の前記メサグルーブ(19)及び前記太陽電池を密封するための前記封止材(16)上に、カバーガラス(15)が位置することを特徴とする請求項1から9のいずれか一項に記載の太陽電池。
- 前記カバーガラス(15)が、前記グルーブ内における前記封止材の光分解を防ぐためのUVブロックフィルターを備えることを特徴とする請求項10に記載の太陽電池。
- 前記メサウォール(20)の幅が、UV放射線の入射角をベースとして調節されていることを特徴とする請求項10に記載の太陽電池。
- 前記電池の全体の周囲において、前記電池端部(33)が、非UV透明材料でコーティングされていることを特徴とする請求項1から12のいずれか一項に記載の太陽電池。
- 分流器経路を提供するための導電性または帯電防止材料(25)が、前記太陽電池の後面と前記太陽電池の前面との間に伸びる前記電池端部(33)上に設けられ、前記後面が、前記第2主表面(32)によって提供され、前記前面が、前記カバーガラス(15)によって提供され、これによって、少なくとも、封止材(24)及び前記メサウォール(20)と接触することを特徴とする請求項1から13のいずれか一項に記載の太陽電池。
- 前記導電性または帯電防止材料(25)が、前記電池端部(33)における一つの位置のみに設けられていることを特徴とする請求項14に記載の太陽電池。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10003359.6A EP2372784B1 (en) | 2010-03-29 | 2010-03-29 | Solar cell, especially a multi-junction solar cell, for space applications |
EP10003359.6 | 2010-03-29 |
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JP2011211199A JP2011211199A (ja) | 2011-10-20 |
JP5334066B2 true JP5334066B2 (ja) | 2013-11-06 |
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JP2011069713A Active JP5334066B2 (ja) | 2010-03-29 | 2011-03-28 | 宇宙用途向けの太陽電池、特に、多−接合太陽電池 |
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DE112017007700B4 (de) * | 2017-06-30 | 2023-06-07 | Mitsubishi Electric Corporation | Solarstromgenerator, solarfeldflügel, räumliche struktur und verfahren zur herstellung eines solarstromgenerators |
DE102018123484A1 (de) * | 2018-09-24 | 2020-03-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum Vereinzeln eines Halbleiterbauelementes mit einem pn-Übergang und Halbleiterbauelement mit einem pn-Übergang |
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