JP2008506249A - 太陽光電池及びソーラーモジュール - Google Patents
太陽光電池及びソーラーモジュール Download PDFInfo
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- H01L31/00—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
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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
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Abstract
Description
Claims (30)
- 上方電極(3、30)、光散乱及び/又は反射特性を伴う層(4、40)及び下方電極(5、50)を含んでなる太陽光電池(1、10)であって、前記層(4、40)は上方電極(3、30)と下方電極(5、50)との間に置かれることを特徴とする太陽光電池。
- 請求項1に記載された使用を遂行する光起電電池で、透明な上方電極(3)、光散乱及び/又は反射特性を伴う層(4)、下方電極(5)を含んでなりそして吸収層で入射光を散乱させるための手段も伴っていて、光散乱特性を伴う少なくとも一つの層(5.3)、特に無機又は有機バインダーで結合した光反射粒子から構成される層、が入射光線の経路において少なくとも一の電極(3、5)の後に続くことを特徴とする請求項1に記載の光起電電池。
- 透明な基材(2)を伴う太陽電池であって、電池内の光散乱層(5.3)が60%以上の高い光透過率を有し、そして電池内の光散乱層(5.3)が基材(2)と上方電極(3)との間又は上方電極(3)と吸収層(4)との間又は上方電極(3)の少なくとも二つの層の間に置かれる、請求項2に記載の太陽電池。
- 光散乱層(5.3)が下方電極(5)に接して置かれることを特徴とする請求項2又は3に記載の太陽電池。
- 光散乱層(5.3)が下方電極(5)の少なくとも二つの層(5.1、5.2)の間に取り囲まれ、吸収層(4)と光散乱層(5.3)との間に横たわる層(5.1)は透明であることを特徴とする請求項2〜4のいずれか1項に記載の太陽電池。
- 下方電極(5)が吸収層(4)の後に続く少なくとも一つの透明なTCO層(5.1)及び金属層(5.2)を含み、該金属層が特に光入射をそこで反射する請求項5に記載の太陽電池。
- 直接的な電気的接続が下方電極(5)の少なくとも二つの部分的な層(5.1、5.2)の間に光散乱層(5.3)を通じて、特に光散乱層の気孔を通じて、創られることを特徴とする請求項5又は6に記載の太陽電池。
- 光反射層(5.3)が、特に0.1〜3μmの範囲の粒子サイズを伴う、半透明の無機酸化物、窒化物又は炭化物粒子を含むことを特徴とする請求項2〜7のいずれか1項に記載の太陽電池。
- 光反射層(5.3)が有機又は無機バインダーを10〜40%の体積比率で含むことを特徴とする請求項2〜8のいずれか1項に記載の太陽電池。
- 該粒子の光屈折率が該バインダーの光屈折率よりも高いことを特徴とする請求項8又は9に記載の太陽電池。
- 光屈折層(5.3)が、1〜20μmの層厚みに対して、45%超の、特には65%超の、光透過率を有することを特徴とする請求項2〜10のいずれか1項に記載の太陽電池。
- 光屈折層(5.3)が粒子の凝集を防止する分散構成要素も含むことを特徴とする請求項2〜11のいずれか1項に記載の太陽電池。
- 電極又は電極の部分的な層(3、5.1)の少なくとも一つが、一連の層と接している該表面の粗さが増大することを伴って、付着されることを特徴とする請求項2〜12のいずれか1項に記載の太陽電池。
- 透明な基材(2)は光入射面に、光を散乱させる構造若しくは表面コーティング及び/又は光の反射を低減させるコーティングが備えられることを特徴とする請求項2〜13のいずれか1項に記載の太陽電池。
- 吸収層が結晶質若しくは非晶質の珪素からなる又はこのようなものを含む請求項2〜14のいずれか1項に記載の太陽電池。
- 薄膜体系(システム)、特にCIS若しくはCdTe膜、から構成される吸収層、又はそのようなものを含む吸収層を伴う、請求項2〜14のいずれか1項に記載の太陽電池。
- 珪素ウェハーからなる吸収層又はこのようなウェハーを含む吸収層を伴う、請求項2〜14のいずれか1項に記載の太陽電池。
- 請求項1に記載された使用を遂行する珪素ウェハー太陽光電池(10)で、上方電極(30)、吸収材(20)、金属製下方電極(50)及び吸収材(20)での入射又は反射光を散乱するための手段を伴っていて、下方電極(50)に向けられた該ウェハーの少なくとも表面が、ドーピングによって及び/又は分離層によって、不動態化されることと、少なくとも一の層(40)が吸収材(20)と下方電極(50)との間での光散乱及び/又は反射特性を備えられ、ここでは下方電極(50)と吸収材(20)との間での少なくとも局部的な電気的接触(5C)が層(40)を通り抜けることとを特徴とする請求項1に記載の珪素ウェハー太陽光電池(10)。
- 局部的な電気的接触が光散乱層(40)に存在する気孔を通じて又はそこに創られた通路を通じて伸びることを特徴とする請求項18に記載の太陽電池。
- 金属製下方電極(50)に向けられた、n−ドープ又はp−ドープ珪素から創られる吸収材(20)の少なくとも表面は、表面再結合を最小限にするために、それぞれ、n−型ドーピングによってか若しくはp−型ドーピングによって、及び/又は例えば珪素酸化物若しくは珪素窒化物の層のような、不動態層によって若しくはそのような材料を含む層によって、不動態化されることを特徴とする請求項18又は19のいずれかに記載の太陽電池。
- 太陽電池の光散乱及び/又は反射層(40)が無機又は有機バインダーと結合した光反射粒子を含んでいる、請求項18〜20のいずれか1項に記載の太陽電池。
- 光散乱及び/又は反射層(40)が、特に0.1〜3μmの範囲の粒子サイズを伴う、酸化物、窒化物又は炭化物粒子を含むことを特徴とする請求項18〜21のいずれか1項に記載の太陽電池。
- 光散乱層(40)が有機又は無機バインダーを10〜40%の体積比率で含むことを特徴とする請求項18〜22のいずれか1項に記載の太陽電池。
- 該粒子の屈折率が該バインダーの屈折率と異なることを特徴とする請求項21〜23のいずれか1項に記載の太陽電池。
- カバーが吸収材(20)の光入射面に備えられ、前記カバーは光を散乱する表面構造又はコーティングを有し及び/又は光反射を低減するコーティングを有することを特徴とする請求項18〜24のいずれか1項に記載の太陽電池。
- 高い光透過率の、別の光散乱層が吸収材(20)の光入射面に置かれることを特徴とする請求項18〜25のいずれか1項に記載の太陽電池。
- 請求項2〜26のいずれか1項に記載の太陽電池を多数伴うソーラーモジュールであって、前記電池は電気的に一緒に繋がれており、ここで該太陽電池は特に共通の支持構造体(7、70)に固定される、ソーラーモジュール。
- 請求項2〜26のいずれか1項に記載の太陽電池を多数伴うソーラーモジュールであって、電気的に一緒に繋がれるソーラーモジュール。
- 光散乱又は反射層が、該太陽電池に共通で使用される電極層の部品を形成する又はこのような電極層に繋がれる請求項28に記載のソーラーモジュール。
- 請求項1〜26のいずれか1項の太陽光電池のためのバインダーで凝集した粒子からなる光散乱及び/又は反射層を使用する方法であって、該層は或る一定の多孔性を有しそして電極層と吸収層との間又は二つの部分的電極層の間に置かれ、そして光散乱層の両辺に接する導電性層間の電気的接触は後者(光散乱及び/又は反射層)の多孔性を通じて創られる、光散乱及び/又は反射層を使用する方法。
Applications Claiming Priority (3)
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DE102004032810A DE102004032810B4 (de) | 2004-07-07 | 2004-07-07 | Photovoltaische Solarzelle mit einer Schicht mit Licht streuenden Eigenschaften und Solarmodul |
DE102004046554A DE102004046554A1 (de) | 2004-09-24 | 2004-09-24 | Photovoltaische Silizium-Solarzelle und Solarmodul |
PCT/FR2005/050547 WO2006005889A1 (fr) | 2004-07-07 | 2005-07-05 | Cellule solaire photovoltaique et module solaire |
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JP2008506249A true JP2008506249A (ja) | 2008-02-28 |
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JP2007519853A Pending JP2008506249A (ja) | 2004-07-07 | 2005-07-05 | 太陽光電池及びソーラーモジュール |
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US (1) | US7994420B2 (ja) |
EP (1) | EP1766690A1 (ja) |
JP (1) | JP2008506249A (ja) |
BR (1) | BRPI0512989A (ja) |
MX (1) | MXPA06015018A (ja) |
WO (1) | WO2006005889A1 (ja) |
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Also Published As
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EP1766690A1 (fr) | 2007-03-28 |
WO2006005889A1 (fr) | 2006-01-19 |
BRPI0512989A (pt) | 2008-04-22 |
US20070199591A1 (en) | 2007-08-30 |
US7994420B2 (en) | 2011-08-09 |
MXPA06015018A (es) | 2007-03-12 |
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