JP6276333B2 - 太陽電池モジュール及びその製造方法 - Google Patents
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Description
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Claims (17)
- 半導体基板の背面に形成され互いに平行するように形成される複数の第1電極及び複数の第2電極と、前記複数の第1電極の上に第1導電性接着剤を介して電気的に接続される複数の第1補助電極と、前記複数の第2電極の上に前記第1導電性接着剤を介して電気的に接続される複数の第2補助電極とを含む複数の太陽電池と、
前記複数の太陽電池のうち、互いに隣接する第1太陽電池の第1補助電極と第2太陽電池の第2補助電極が共通に接続されるインターコネクタと、
前記インターコネクタによって前記第1太陽電池と、前記第2太陽電池が互いに接続されるセルストリングの前面上に位置する前面ガラス基板と、
前記前面ガラス基板と、前記セルストリングの間に位置する上部封止材と、
前記セルストリングの背面に位置する下部封止材と、
前記下部封止材の背面に位置する背面シートとを含み、
前記第1補助電極と前記第2補助電極のそれぞれの長さ方向は、前記複数の太陽電池が直列接続される方向である第1方向に形成され、
前記第1、第2補助電極の背面は、前記下部封止材と物理的に接触し、
前記インターコネクタは、前記第1太陽電池と前記第2太陽電池のそれぞれの半導体基板との間に前記第1方向と交差する第2方向に長く位置し、前記第1太陽電池及び前記第2太陽電池の前記各半導体基板と前記第1方向で離隔される、太陽電池モジュール。 - 前記インターコネクタと前記第1及び第2太陽電池の第1及び第2補助電極は、互いに異なる材質を含む、請求項1に記載の太陽電池モジュール。
- 前記インターコネクタと前記第1及び第2太陽電池の第1及び第2補助電極は、幅、厚さ、層構造または平面パターンの内の少なくともいずれか1つが、異なる、請求項1に記載の太陽電池モジュール。
- 前記インターコネクタと前記第1及び第2太陽電池の第1及び第2補助電極は、第2導電性接着剤によって互に接続される、請求項1に記載の太陽電池モジュール。
- 前記第1太陽電池の第1及び第2補助電極と前記第2太陽電池の第1及び第2補助電極は、互いに空間的に離隔されている、請求項1に記載の太陽電池モジュール。
- 前記第1太陽電池及び前記第2太陽電池のそれぞれにおいて、
前記第1補助電極は、前記インターコネクタと接続される第1補助電極パッドとをさらに含み、
前記第2補助電極は、前記インターコネクタと接続される第2補助電極パッドとをさらに含む、請求項1に記載の太陽電池モジュール。 - 前記第2補助電極パッドと、前記第1補助電極パッドのそれぞれは、前記半導体基板が、重畳する第1領域と、前記半導体基板が重畳しない第2領域を含む、請求項6に記載の太陽電池モジュール。
- 前記第1太陽電池に含まれる第1補助電極パッドと前記第2太陽電池に含まれる第2補助電極パッドは、互いに離隔されている、請求項6に記載の太陽電池モジュール。
- 前記インターコネクタは、
前記第1太陽電池に含まれる第1補助電極パッドと前記第2太陽電池に含まれる第2補助電極パッドを互いに電気的に接続する、請求項6に記載の太陽電池モジュール。 - 前記インターコネクタは、
前記第1太陽電池に含まれる第1補助電極パッドの第2領域と前記第2太陽電池に含まれる第2補助電極パッドの第2領域を互いに電気的に接続する、請求項7に記載の太陽電池モジュール。 - 前記インターコネクタと前記第1補助電極パッド、または前記インターコネクタと前記第2補助電極パッドは、導電性接着剤によって電気的に接続される、請求項9に記載の太陽電池モジュール。
- 前記インターコネクタと前記第1補助電極パッド、または前記インターコネクタと前記第2補助電極パッドは、物理的に直接接触して電気的に接続される、請求項9に記載の太陽電池モジュール。
- 前記インターコネクタは、前面の表面に凹凸が形成されており、厚さが均一でない、請求項1に記載の太陽電池モジュール。
- 前記インターコネクタは、厚さが均一であり、ジグザグ(zigzag)形態を有する、請求項1に記載の太陽電池モジュール。
- 前記太陽電池モジュールは、
前記複数の太陽電池が、前記インターコネクタによって第1方向に直列に接続されるそれぞれの第1セルストリングと第2セルストリングを含み、
前記第1セルストリングと、前記第2セルストリングを直列に接続させる導電性リボンとをさらに含み、
前記導電性リボンは前記第1方向と交差する第2方向に長く伸びている、請求項1に記載の太陽電池モジュール。 - 前記複数の第1補助電極のそれぞれは、前記複数の第1電極と同じ方向に重畳されて形成され、
前記複数の第2補助電極のそれぞれは、前記複数の第2電極と同じ方向に重畳されて形成される、請求項1に記載の太陽電池モジュール。 - 前記複数の第1補助電極のそれぞれは、前記複数の第1電極と交差する方向に形成され、
前記複数の第2補助電極のそれぞれは、前記複数の第2電極と交差する方向に形成される、請求項1に記載の太陽電池モジュール。
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