JP2013542603A - 積層板構造を備えた薄膜太陽モジュール - Google Patents
積層板構造を備えた薄膜太陽モジュール Download PDFInfo
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- JP2013542603A JP2013542603A JP2013533181A JP2013533181A JP2013542603A JP 2013542603 A JP2013542603 A JP 2013542603A JP 2013533181 A JP2013533181 A JP 2013533181A JP 2013533181 A JP2013533181 A JP 2013533181A JP 2013542603 A JP2013542603 A JP 2013542603A
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- film solar
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- thin film
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Abstract
Description
R1=H、CH3、またはCH2−CH3、
R2=−COONa、−CH2−COONa、SO3Na、または−H2CSNa、および
R3=H、CH3、CH2−CH3、またはフェニルである。
A=−(CH2−CHR1)nおよびB=−((R3−)C(−R2)(−CH2))m、ここでR1=H、CH3、またはCH2−CH3;R2=COONa、−CH2−COONa、SO3Na、または−H2CSNa;R3=H、CH3、CH2−CH3、またはフェニル、n、m>10である。さらに、式A−Bの共重合体は、成分Bを特に5〜30重量%、特に10〜20重量%の量で含むことができる。さらに、ドーパントでの置換前の酸性プロトンの全体量に対するドーパントによって置換されたアイオノマーの酸性プロトンの相対量は、特に、5%未満(しかし0%より大きい)とすることができる。
2 第1の基板
3 層構造
4 表面
5 裏面電極層
6 吸収体層
7 緩衝層
8 前面電極層
9 接着層
10 第2の基板
11、11.1、11.2 薄膜太陽電池
12 分離
13 層領域
Claims (17)
- 複数の直列に接続された光起電力エネルギー生産用薄膜太陽電池(11)を備えた薄膜太陽モジュール(1)であって、
接着層(9)によって互いに結合された2つの基板(2、10)を含み、
各太陽電池(11)は、2つの基板(2、10)間に配置された層構造(3)を有し、層構造(3)は、第1の電極層(8)と、第2の電極層(5)と、2つの電極層(5、8)間に配置された少なくとも1つの半導体層(6)とを含み、
半導体層(6)は、pn結合を形成し、ドーパントでドープされており、接着層(9)は、半導体層(6)から接着層(9)へのドーパントの拡散が防止される量でドーパントを有する、薄膜太陽モジュール。 - 半導体層(6)が、黄銅鉱化合物、特に、Cu(In、Ga)(S、Se)2を含むことを特徴とする、請求項1に記載の薄膜太陽モジュール(1)。
- 半導体層(6)が、ドーパントとしてナトリウムイオン、カリウムイオン、またはリチウムイオンを含むことを特徴とする、請求項1または2に記載の薄膜太陽モジュール(1)。
- 接着層(9)が、0.1〜4重量%、特に0.5〜2重量%の量でドーパントを有することを特徴とする、請求項1から3のうちの一項に記載の薄膜太陽モジュール(1)。
- 接着層(9)が、ドーパントをイオン結合する化合物からなる、またはそのような化合物を含むことを特徴とする、請求項1から4のうちの一項に記載の薄膜太陽モジュール(1)。
- 接着層(9)が、アイオノマー、特に式A−Bの共重合体を含み、Aは無極性炭化水素基を表し、Bはナトリウム結合有機酸基を備えた炭化水素基を表すことを特徴とする、請求項1から5のうちの一項に記載の薄膜太陽モジュール(1)。
- 式A−Bの共重合体が、次の基:
A=−(CH2−CHR1)nおよびB=−((R3−)C(−R2)(−CH2))m
を含み、ここで
R1=H、CH3、またはCH2−CH3、
R2=COONa、−CH2−COONa、SO3Na、または−H2CSNa
R3=H、CH3、CH2−CH3、またはフェニル、
ここでn、m>10であることを特徴とする、請求項6に記載の薄膜太陽モジュール(1)。 - 式A−Bの共重合体が、5〜30重量%、特に10〜20重量%の量で成分Bを含むことを特徴とする、請求項6または7に記載の薄膜太陽モジュール(1)。
- ドーパントでの置換の前の酸性プロトンの全体量に対するドーパントで置換されたアイオノマーの酸性プロトンの相対量が、5%未満であることを特徴とする、請求項6から8のうちの一項に記載の薄膜太陽モジュール(1)。
- 半導体層(6)に対向する接着層(9)の1つの表面上にドーパントが少なくとも吸着されていることを特徴とする、請求項1から9のうちの一項に記載の薄膜太陽モジュール(1)。
- 接着層(9)が、0.1%未満の含水量を有することを特徴とする、請求項1から10のうちの一項に記載の薄膜太陽モジュール(1)。
- 2つの基板(2、10)間の周方向エッジギャップが、水に対するバリアとして機能を果たすシーリング材で封止されていることを特徴とする、請求項1から11のうちの一項に記載の薄膜太陽モジュール(1)。
- シーリング材が、水と化学的および/または物理的に結合することができるように導入されていることを特徴とする、請求項12に記載の薄膜太陽モジュール(1)。
- 第1の電極層が透明前面電極層(8)であり、第2の電極層は不透明裏面電極層(5)であり、ドーパントを通さないバリア層が、前面電極層から見て外方を向く裏面電極層の側に配置された基板(2)と裏面電極層(5)との間に配置されていることを特徴とする、請求項1から13のうちの一項に記載の薄膜太陽モジュール(1)。
- 請求項1から14のうちの一項に記載の薄膜太陽モジュール(1)を製造する方法であって、
2つの基板(2、10)を設け、層構造(3)が2つの基板(2、10)間に配置され、第1の電極層(8)と、第2の電極層(5)と、2つの電極層(5、8)間に配置された少なくとも1つの半導体層(6)とを含み、半導体層(6)はpn結合を形成し、ドーパントでドープされるステップと、
2つの基板を熱、真空、および/または圧力の作用下で接着層(9)と結合し、接着層(9)は、半導体層(6)から接着層(9)へのドーパントの拡散が妨げられるような量で半導体層(6)のドーパントを有するステップとを特徴とする、方法。 - 接着層(9)が、ドープされた半導体層(6)から接着層(9)へのドーパントの拡散が防止されるような量でドーパントを有する、請求項1から14のうちの一項に記載の薄膜太陽モジュール(1)での接着層(9)の使用。
- ナトリウムがドープされた半導体層(6)から、特にナトリウムがドープされたCu(In、Ga)(S、Se)2層から接着層(9)へのナトリウムの拡散の防止のための、請求項1から14のうちの一項に記載の薄膜太陽モジュール(1)での0.1〜4重量%のナトリウム含有量を備えた接着層(9)の使用。
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PCT/EP2011/067700 WO2012049157A1 (de) | 2010-10-12 | 2011-10-11 | Dünnschichtsolarmodul mit verbundscheibenstruktur |
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