JP6461278B2 - 半導体ベースのマルチ接合光起電力デバイスの製造方法 - Google Patents
半導体ベースのマルチ接合光起電力デバイスの製造方法 Download PDFInfo
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- JP6461278B2 JP6461278B2 JP2017198319A JP2017198319A JP6461278B2 JP 6461278 B2 JP6461278 B2 JP 6461278B2 JP 2017198319 A JP2017198319 A JP 2017198319A JP 2017198319 A JP2017198319 A JP 2017198319A JP 6461278 B2 JP6461278 B2 JP 6461278B2
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- Y02E10/547—Monocrystalline silicon PV 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/548—Amorphous silicon PV 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Description
EQE= 外部量子効率;
Isc= 短絡電流;
Imp= 最大電力での電流;
Vmp= 最大電力での電圧;
Eff= 効率;
FF= 曲線因子;および
Voc= 開放電圧
EQE= 外部量子効率;
Isc= 短絡電流;
Imp=最大電力での電流;
Vmp=最大電力での電圧;
Eff=効率;
FF=曲線因子;および
Voc=開放電圧
EQE= 外部量子効率;
Isc= 短絡電流;
Imp= 最大電力での電流;
Vmp= 最大電力での電圧;
Eff= 効率;
FF= 曲線因子;および
Voc= 開放電圧
EQE= 外部量子効率;
Isc= 短絡電流;
Imp= 最大電力での電流;
Vmp= 最大電力での電圧;
Eff= 効率;
FF= 曲線因子;および
Voc= 開放電圧
Claims (18)
- マルチ接合光起電力デバイスの製造方法であって、
複数の第1の活性セルを含むシリコンーベース太陽電池を提供する工程であって、前記シリコンーベース太陽電池はシリコン基板と、前記シリコン基板に配置される前記複数の第1の活性セルとを含み、前記シリコンーベース太陽電池はウェハ形態で提供され、前記第1の活性セルの少なくとも1つはベースと埋め込みエミッター領域を有し、前記第1の活性セルの少なくとも1つは前記埋め込みエミッター領域を形成するために熱プロセスが実施される工程と、
前記第1の活性セルの少なくとも1つに裏面電界層を形成する工程と、
前記裏面電界層の上に第2の活性セルを形成する工程であって、前記第2の活性セルはIII―V族材料を含む工程と、
前記第2の活性セルの上にコンタクト層を形成する工程と、
シリコンーベース半導体デバイスを形成する技術と互換性があるコンタクトスキームを使用して前記マルチ接合光起電力デバイスを含む太陽電池モジュールを生成する工程を含む方法。 - 請求項1の方法において、
前記ベースはn型ベースを含み、前記埋め込みエミッター領域はp型埋め込みエミッターを含む方法。 - 請求項1の方法において、
前記埋め込みエミッター領域は拡散によって形成される方法。 - 請求項3の方法において、
前記拡散は、p型埋め込みエミッターを形成するためのIII族元素の拡散、または、n型埋め込みエミッターを形成するためのV族元素の拡散を含む方法。 - 請求項1の方法において、
前記ベースはp型ベースを含み、前記埋め込みエミッター領域はn型埋め込みエミッターを含む方法。 - 請求項1の方法において、
前記埋め込みエミッター領域は、前記第2の活性セルを形成する前に、熱プロセスを使用した拡散によって少なくとも一部が形成される方法。 - 請求項1の方法において、
前記埋め込みエミッター領域はイオン注入によって形成される方法。 - 請求項1の方法において、
前記埋め込みエミッター領域は、拡散によって少なくとも一部分を形成する方法。 - 太陽電池モジュールであって、
シリコン基板と、
前記シリコン基板に形成される第1の活性セルであって、第1の範囲のバンドギャップを有するシリコンの第1の半導体層を含み、前記第1の活性セルはベースと埋め込みエミッター領域を含み、前記第1の活性セルは前記埋め込みエミッター領域を形成するために熱プロセスが実施される前記第1の活性セルと、
前記第1の活性セルの上に配置される裏面電界層と、
前記裏面電界層の上に形成される第2の活性セルであって、前記第1の範囲よりも大きい第2の範囲のバンドギャップを有する第2の半導体層を含む前記第2の活性セルを含み、前記第1の活性セルの上であって、前記裏面電界層の下にあるトンネル接合層をさらに含む太陽電池モジュール。 - 太陽電池モジュールを製造するためのシステムであって、
一層以上のIII―V族層をシリコンウェハに生成するための堆積ツールであって、前記シリコンウェハは光起電力デバイスの第1の部分を含み、前記一層以上のIII―V族層は前記光起電力デバイスの裏面電界層と前記裏面電界層の上に位置する第2の部分を構成する前記堆積ツールと、
前記堆積ツールによって前記光起電力デバイスの第2の部分を形成後に、前記光起電力デバイスを使用して前記太陽電池モジュールを製造する太陽電池モジュール製造ラインであって、前記光起電力デバイスはシリコン−ベースの太陽電池モジュール製造ラインで採用されるコンタクトスキームと互換性がある前記太陽電池モジュール製造ラインを含み、前記光起電力デバイスの第1の部分の上であって、前記裏面電界層の下にあるトンネル接合層をさらに含むシステム。 - 前記少なくとも1つの第1の活性セルの形成後、前記裏面電界層の形成前に、トンネル接合層を形成する工程をさらに含むことを特徴とする請求項1に記載の方法。
- 前記第2の活性セルのドーパントタイプのドーピング順番は、前記少なくとも1つの第1の活性セルのドーパントタイプのドーピング順番に対応することを特徴とする請求項1に記載の方法。
- 前記少なくとも1つの第1の活性セル中の層は、第1の方向への電流の流れを促進し、
前記第2の活性セル中の層は、前記第1の方向への電流の流れを促進することを特徴とする請求項1に記載の方法。 - 前記裏面電界層の形成する工程には、n型GaP材料を含む前記裏面電界層を形成する工程を含むことを特徴とする請求項1に記載の方法。
- 前記第2の活性セルのドーパントタイプのドーピング順番は、前記第1の活性セルのドーパントタイプのドーピング順番に対応することを特徴とする請求項9に記載の太陽電池モジュール。
- 前記第1の活性セル中の層は、第1の方向への電流の流れを促進し、
前記第2の活性セル中の層は、前記第1の方向への電流の流れを促進することを特徴とする請求項9に記載の太陽電池モジュール。 - 前記裏面電界層は、n型GaP材料を含むことを特徴とする請求項9に記載の太陽電池モジュール。
- 前記裏面電界層は、n型Al(1−Z2)GaZ2As(1−X2−Y2)NY2PX2を含み、ここで、X2、Y2およびX2は組成傾斜変数であって、前記裏面電界層の厚みにわたって、対応するバンドギャップ傾斜を達成することを特徴とする請求項9に記載の太陽電池モジュール。
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