JP2019534576A - 単一セル光起電力モジュール - Google Patents
単一セル光起電力モジュール Download PDFInfo
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- JAONJTDQXUSBGG-UHFFFAOYSA-N dialuminum;dizinc;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Zn+2].[Zn+2] JAONJTDQXUSBGG-UHFFFAOYSA-N 0.000 claims description 10
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Abstract
Description
[0001]本出願は、2016年11月17日に出願された「SINGLE CELL PHOTOVOLTAIC MODULE」という名称の米国仮特許出願第62/423,581号明細書の優先権を主張し、その開示は全ての目的のためにその全体が参照により本明細書に組み込まれる。
ここで、ρは電極の抵抗率である。
光起電力セル100によって発生する電力は、式(6)を使用して計算することができ、
ここで、JMPは最大電力点での電流密度、VMPは最大電力点での電圧である。
また、電力損失の割合P%損失−バスバーは、損失電力P損失−バスバーを発生電力P発生−バスバーで割ったものである。
電荷移動距離が減少すると、電極抵抗による電力損失が減少する。電力損失の減少の原因は、式(15)の最後のステップにおける有効幅w/2の結果としての分母の増加である。したがって、2バスバーの光起電力セルでは、電力損失の割合は次のようになる。
連続バスバー及び/又は交互嵌合接触を実装する実施形態は、様々なサイズ及びアスペクト比の設計及び製造を容易にすることができる。例えば、図12Aは、片面当たり8つの接触点1212を有する正方形のPVC1210を示す。図12Bは、片面当たり8つの接触点1222を有する長方形のPVC1212を示す。PVC1212を製造するための第1方向へのPVC1210のスケーリングは、接触点の数が同じままであり得、側面1240に沿ってモジュールの寸法及び接触が変化しないため、最小限のスケーリング及びインタフェースの変更で達成され得る。幾つかの実施形態では、各側面の接触の数は設計要件に応じて容易に変えることができる。これらの設計要件は、抵抗を減らすために接触の数を増やすこと(経路長を短くすること)と、応用への電気的接触を簡単にするために接触数を減らすことと、接続に制約がある場合は、接触数を減らして接触幅を変更することと、一端から接触を削除することとを含み得る。各側面の接触数は同じである必要はない。
Claims (22)
- 第1シート抵抗を特徴とする第1透明電極層と、
第2透明電極層と、
光起電力材料層であって、前記第1透明電極層と前記第2透明電極層との間に位置する、光起電力材料層と、
前記第1シート抵抗よりも低い第2シート抵抗を有する第1バスバーと
を備え、
前記第1透明電極層、前記第2透明電極層、及び前記光起電力材料層は、光起電力モジュールの中央透明領域を形成する整列した領域を有し、前記中央透明領域は複数の側面を含み、
前記第1バスバーは、前記中央透明領域の前記複数の側面のそれぞれの少なくとも一部に隣接して前記第1透明電極層と接触している、光起電力モジュール。 - 前記第1バスバーが、前記光起電力モジュールの前記中央透明領域を囲むC字形導電材料領域を含む、請求項1に記載の光起電力モジュール。
- 前記第1バスバーが、前記光起電力モジュールの前記中央透明領域を囲む閉ループを形成する、請求項1に記載の光起電力モジュール。
- 前記光起電力材料層は、直列に接続された5つ以上の接合部を含む、請求項1に記載の光起電力モジュール。
- 前記光起電力材料層は、直列に接続された複数の接合部を含む、請求項1に記載の光起電力モジュール。
- 前記第1透明電極層又は前記第2透明電極層は、インジウム錫酸化物(ITO)層、フッ素錫酸化物(FTO)層、アルミニウム亜鉛酸化物(AZO)層、アンチモン錫酸化物(ATO)層、インジウム亜鉛酸化物(IZO)層、又は薄い金属層を含む、請求項1に記載の光起電力モジュール。
- 前記第2透明電極層は、第3シート抵抗によって特徴付けられ、
前記光起電力モジュールは、前記中央透明領域の前記複数の側面のそれぞれの少なくとも一部に隣接して第2透明電極層と電気的に接触する第2バスバーであって、前記第2透明電極層の前記第3シート抵抗より低い第4シート抵抗を有する、第2バスバー
をさらに備える、請求項1に記載の光起電力モジュール。 - 前記第2バスバーは、前記光起電力モジュールの前記中央透明領域を囲むC字形又は閉ループの導電材料領域を含む、請求項7に記載の光起電力モジュール。
- 前記第1透明電極層、前記第2透明電極層、及び前記光起電力材料層のそれぞれは、前記中央透明領域内で連続している、請求項1に記載の光起電力モジュール。
- 前記光起電力材料層は、直列に接続された複数の接合部を備える、請求項1に記載の光起電力モジュール。
- 前記光起電力モジュールが情報ディスプレイと一体化されている、請求項1に記載の光起電力モジュール。
- 前記第1透明電極層及び前記第2透明電極層のそれぞれは、インジウム錫酸化物(ITO)層、フッ素錫酸化物(FTO)層、アルミニウム亜鉛酸化物(AZO)層、アンチモン錫酸化物(ATO)層、インジウム亜鉛酸化物(IZO)層、又は薄い金属層を含む、請求項1に記載の光起電力モジュール。
- 連続する第1中央領域と、
前記連続する第1中央領域に電気的に結合されている第1組の電極パッドと
を含む、第1透明電極層と、
連続する第2中央領域と、
前記連続する第2中央領域に電気的に結合されている第2組の電極パッドと
を含む、第2透明電極層と、
前記第1透明電極層と前記第2透明電極層との間に配置された光起電力材料層と
を含み、
前記連続する第1中央領域、前記連続する第2中央領域、及び前記光起電力材料層は整列されて、光起電力モジュールの中央透明領域を形成し、前記中央透明領域は複数の側面を含み、
前記第1組の電極パッドの少なくとも1つと前記第2組の電極パッドの少なくとも1つは、前記中央透明領域の前記複数の側面のそれぞれに配置されている、光起電力モジュール。 - 上面視において、前記第1組の電極パッドは、前記第2組の電極パッドに対して交互嵌合して配置されている、請求項13に記載の光起電力モジュール。
- 前記光起電力材料層は、直列に接続された複数の接合部を備える、請求項13に記載の光起電力モジュール。
- 前記光起電力材料層は、直列に接続された5つ以上の接合部を含む、請求項13に記載の光起電力モジュール。
- 前記第1透明電極層及び前記第2透明電極層のそれぞれは、インジウム錫酸化物(ITO)層、フッ素錫酸化物(FTO)層、アルミニウム亜鉛酸化物(AZO)層、アンチモン錫酸化物(ATO)層、インジウム亜鉛酸化物(IZO)層、又は薄い金属層を含む、請求項13に記載の光起電力モジュール。
- 前記中央透明領域の前記複数の側面のそれぞれに隣接し、前記第1透明電極層と接触するバスバーであって、前記バスバーが第1シート抵抗を有する、バスバー
をさらに備え、
第1透明電極層は、前記バスバーの前記第1シート抵抗よりも大きい第2シート抵抗を有する、請求項13に記載の光起電力モジュール。 - 前記中央透明領域の前記複数の側面のそれぞれに隣接し、前記第2透明電極層と接触するバスバーであって、前記バスバーが第3シート抵抗を有する、バスバー
をさらに備え、
前記第2透明電極層は、前記バスバーの前記第3シート抵抗よりも大きい第4シート抵抗を有する、請求項13に記載の光起電力モジュール。 - 複数の前記第1組の電極パッド及び複数の前記第2組の電極パッドに電気的に結合されたコネクタをさらに備え、前記コネクタは、エラストマー電子コネクタ、異方性導電材料、又はPCBのうちの少なくとも1つを含む、請求項13に記載の光起電力モジュール。
- 連続する第1中央領域と、
前記連続する第1中央領域に電気的に結合されている第1組の電極パッドと
を含む、第1透明電極層と、
連続する第2中央領域と、
前記連続する第2中央領域に電気的に結合されている第2組の電極パッドと
を含む、第2透明電極層と、
前記第1透明電極層と前記第2透明電極層との間に配置された光起電力材料層と
を含み、
前記連続する第1中央領域、前記連続する第2中央領域、及び前記光起電力材料層は整列されて、光起電力モジュールの中央透明領域を形成し、前記中央透明領域は複数のセグメントを含む周囲を有し、
前記第1組の電極パッドの少なくとも1つと前記第2組の電極パッドの少なくとも1つは、前記中央透明領域の前記周囲の前記複数のセグメントの各セグメントに配置されている、光起電力モジュール。 - 前記光起電力モジュールの前記中央透明領域は円形であり、
前記光起電力モジュールの前記中央透明領域は複数のセクタを含み、各セクタは前記中央透明領域の前記周囲の前記複数のセグメントの1つのセグメントに対応する、請求項21に記載の光起電力モジュール。
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