JP6980709B2 - 太陽電池モジュールとその製造方法 - Google Patents
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Description
Claims (17)
- 半導体基板と、前記半導体基板の前面に形成された第1電極と、前記半導体基板の後面に形成された第2電極を含む複数の太陽電池と、
前記複数の太陽電池の中で互いに隣接している第1太陽電池に形成された第1電極を第2太陽電池に形成された第2電極に接続させる複数の配線材とを含み、
前記第1、2電極は、互いに平行に形成された複数の第1、2収集電極と、前記複数の第1、2収集電極と交差する方向に連続的に形成され、それぞれが前記複数の第1、2収集電極を接続する複数の第1、2接続電極と、前記複数の第1、2接続電極と前記第1、2収集電極が交差する領域において前記第1、2収集電極の線幅より大きな横幅を有する複数の第1、2パッド部を備え、
前記複数の第1、2接続電極は前記半導体基板を間において互いに重畳して形成され、
前記複数の第1パッド部は、前記第1接続電極と重畳して位置し、第1面積を有する第1補助パッド部と、前記第1接続電極と前記第1収集電極が交差する領域に形成され前記第1面積より大きい第2面積を有する第1拡張パッド部を含み、
前記第1拡張パッド部は、前記複数の太陽電池それぞれにおいて前記配線材の長さ方向に沿って前記半導体基板の最も外側の領域に位置し、
前記第1接続電極と交差する前記複数の第1収集電極の内、少なくとも一部の第1収集電極は、前記複数の第1パッド部を備えておらず、
前記配線材の幅は、前記第1パッド部の幅より小さく、前記第1接続電極の幅より大きく、
前記複数の配線材は、前記第1接続電極に重畳されるように位置して、前記第1パッド部の前記第1拡張パッド部と第1補助パッド部に接続されて取り付けられ、前記第2接続電極に重畳されるように位置して前記第2パッド部の第2拡張パッド部と第2補助パッド部に接続されて付着され、前記第1太陽電池と前記第2太陽電池を電気的に接続し、
前記第1パッド部のピッチは前記第1収集電極のピッチよりも大きく、共に前記第1パッド部の長さよりも大きく、
前記配線材は、250〜500μmの幅を有し、断面が円形である、太陽電池モジュール。 - 第2補助パッド部と第2拡張パッド部は互いに異なるサイズを有する、請求項1に記載の太陽電池モジュール。
- 前記第2拡張パッド部の幅または長さは前記第2補助パッド部の幅または長さよりさらに大きい、請求項2に記載の太陽電池モジュール。
- 前記第2拡張パッド部は、前記複数の太陽電池のそれぞれの前記配線材の長さ方向に沿って前記第2補助パッド部の位置より前記半導体基板の外側の領域に位置する、請求項2に記載の太陽電池モジュール。
- 前記第1、第2パッド部のそれぞれにおいて、前記第1、第2拡張パッド部は、前記複数の太陽電池のそれぞれの配線材の長さ方向に沿って交差する前記第1、第2収集電極の内、最外郭の第1、第2収集電極に形成される、請求項4に記載の太陽電池モジュール。
- 前記第1、第2パッド部のそれぞれにおいて、前記第1、第2拡張パッド部と前記第1、第2補助パッド部は、前記配線材の長さ方向に沿って一定のパターンで繰り返して配置される、請求項2に記載の太陽電池モジュール。
- 前記複数の第1パッド部の幅が前記複数の第2パッド部の幅と異なり、前記複数の第1パッド部の長さが前記複数の第2パッド部の長さと異なり、または、前記複数の第1パッド部の個数が前記複数の第2パッド部の個数と異なる、請求項2に記載の太陽電池モジュール。
- 前記複数の第1パッド部の個数は、6個以上であり、前記第1収集電極の個数より小さく、
前記複数の第2パッド部の個数は、6個以上であり、前記第2収集電極の個数より小さいか同じである、請求項2に記載の太陽電池モジュール。 - 前記第1パッド部の個数は、前記第2パッド部の個数より多い、請求項2に記載の太陽電池モジュール。
- 前記複数の第2接続電極線幅は、前記第2収集電極の線幅と同じか大きく、前記第2パッド部の幅よりは小さい、請求項1に記載の太陽電池モジュール。
- 前記第2拡張パッド部の幅は、前記配線材の幅より大きく、2.5mmより小さい、請求項2に記載の太陽電池モジュール。
- 前記第1パッド部または前記第2パッド部の長さは、前記第1収集電極または前記第2収集電極の線幅より長く30mmより小さい、請求項2に記載の太陽電池モジュール。
- 前記複数の第1パッド部の個数(n)に比べ前記複数の第2パッド部の個数(m)の割合(m/n)は、0.5≦m/n<1である、請求項2に記載の太陽電池モジュール。
- 前記複数の第2パッド部との間のピッチは、前記複数の第1パッド部との間のピッチより大きい、請求項2に記載の太陽電池モジュール。
- 前記複数の第1収集電極との間のピッチは、前記複数の第2収集電極との間のピッチと同じか大きい、請求項2に記載の太陽電池モジュール。
- 前記複数の第2収集電極の個数は、前記複数の第1収集電極の個数より多い、請求項2に記載の太陽電池モジュール。
- 前記第1太陽電池と、前記第2太陽電池の間で前記配線材に結合されている反射体をさらに含む、請求項1に記載の太陽電池モジュール。
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KR1020140100083A KR20160016304A (ko) | 2014-08-04 | 2014-08-04 | 태양 전지 모듈 |
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US20160035907A1 (en) * | 2014-08-04 | 2016-02-04 | Lg Electronics Inc. | Solar cell module |
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