JP7064590B2 - 薄膜太陽電池の直列接続構造及び薄膜太陽電池の直列接続構造の製造プロセス - Google Patents
薄膜太陽電池の直列接続構造及び薄膜太陽電池の直列接続構造の製造プロセス Download PDFInfo
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Description
透明基板を提供し、表示モジュールに向かう透明基板の一方側に、第1前面電極、及び第2前面電極を成膜するステップS1と、
前記第1前面電極上に、第1太陽光層を化学気相堆積で成膜し、前記第2前面電極上に、第2太陽光層を化学気相堆積で成膜するステップS2と、
前記第1太陽光層上に第1裏面電極を成膜し、前記第2太陽光層上に第2裏面電極を成膜するステップS3と、
洗浄後、第1裏面電極と第2裏面電極をパターニングしてエッチングし、第1太陽光層と第2太陽光層をパターニングしてエッチングするステップS4と、
第1前面電極と第2前面電極にフォトレジストを塗布して露光し、パターニングした後、化学エッチングを行い、フォトレジストを除去するステップS5と、
絶縁層を成膜するステップS6と、
第1金属補助電極と第2金属補助電極にフォトレジストを塗布して露光した後、パターニングして化学エッチングするステップS7と、を含む。
1、直列接続構造の第1電池単体と第2電池単体を金属補助電極で電気的に接続し、前記金属補助電極は、直列接続作用を果たす一方、前面電極の抵抗を低減させる作用を果たし、この2つの作用は、すべて電池デバイスの変換効率を向上させる。
2、第1電池単体と第2電池単体のそれぞれに第3金属補助電極を増設することで、前面電極の抵抗をさらに減少させ、デバイスの変換効率をさらに向上させる。
本発明の実施例1は、薄膜太陽電池の直列接続構造を提供し、前記薄膜太陽電池の直列接続構造は、表示モジュールの表示面側に設けられ、光エネルギーを用いて発電して表示モジュールに供給する。
図5に示されるように、本発明の実施例2には、7個の電池単体の直列接続構造である第2実施形態(明瞭さのために、図5には、分割ラインLが表示され、分割ラインLの外円部分からはみ出す一端は分割端であり、分割ラインLの外円部分内に位置する一端は直列接続端である)が図示されている。表示モジュールの表示領域に対応して、前記薄膜太陽電池の直列接続構造は、表示領域内に設けられる薄膜太陽電池(図には、グリッド状として示される)をさらに含み、この場合、前記表示領域内の薄膜太陽電池と額縁領域にある薄膜太陽電池は、領域全体に亘って、S字形の直列接続構造に分割できる。
本発明の実施例3は、実施例1及び実施例2の前記薄膜太陽電池の直列接続構造の製造プロセスを提供し、ステップS1~ステップS7を含む。
-3000オングストロームであり、好ましくは、235℃以上の温度を用いて、アニーリングしてITO抵抗を低減させ、AZOの場合は、低濃度HCl又はアルカリ性物質でテクスチャリングして凹凸のある平面を形成することができ、それによって、太陽エネルギーの吸収を高める。
Claims (3)
- 薄膜太陽電池の直列接続構造であって、表示モジュールの表示面側に設けられ、透明基板と、透明基板に設けられ直列接続された第1電池単体及び第2電池単体と、を備え、
隣接する第1電池単体と第2電池単体の間には分割ラインが設けられ、前記分割ラインの薄膜太陽電池の直列接続構造の最外周部分まで延伸する一端は分割端であり、前記分割ラインの前記最外周部分まで達しない位置の他端は直列接続端であり、
前記表示モジュールの表示領域の薄膜太陽電池は、間隔を空けたグリッド状となり、前記表示領域内の薄膜太陽電池と前記最外周部分にある薄膜太陽電池は、領域全体に亘って、S字形の直列接続構造に分割され、
前記第1電池単体は、透明基板上に設置された第1前面電極を備え、前記第1前面電極には順次に第1太陽光層及び第1裏面電極が設置され、前記第1太陽光層及び第1裏面電極は絶縁層で被覆されて絶縁され、前記第1前面電極には、第1金属補助電極がさらに接触して接続され、前記第1金属補助電極は、ビアを介して第1前面電極を引き出して正極にし、前記絶縁層を覆うまで延び、前記第1金属補助電極は最外周にある第2金属補助電極に接続され、
前記第2電池単体は、透明基板上に設置された第2前面電極を備え、前記第2前面電極には順次に第2太陽光層及び第2裏面電極が設置され、前記第2太陽光層及び第2裏面電極は絶縁層で被覆されて絶縁され、前記第2前面電極には、第1金属補助電極がさらに接触して接続され、前記第1金属補助電極は、ビアを介して第2前面電極を引き出して正極にし、前記絶縁層を覆うまで延び、前記第2裏面電極はさらに最外周にある第2金属補助電極と接続し、前記第2金属補助電極は、負極として延設され、前記直列接続端を介して第1電池単体の第1金属補助電極に接触して接続される、ことを特徴とする薄膜太陽電池の直列接続構造。 - 前記最外周にある第2金属補助電極と前面電極の間には太陽光層がさらに設けられる、
ことを特徴とする請求項1に記載の薄膜太陽電池の直列接続構造。 - 透明基板を提供し、表示モジュールに向かう透明基板の一方側に、第1前面電極、及び第2前面電極を成膜するステップS1と、
前記第1前面電極上に、第1太陽光層を化学気相堆積で成膜し、前記第2前面電極上に、第2太陽光層を化学気相堆積で成膜するステップS2と、
前記第1太陽光層上に第1裏面電極を成膜し、前記第2太陽光層上に第2裏面電極を成膜するステップS3と、
洗浄後、第1裏面電極と第2裏面電極をパターニングしてエッチングし、第1太陽光層と第2太陽光層をパターニングしてエッチングするステップS4と、
第1前面電極と第2前面電極にフォトレジストを塗布して露光し、パターニングした後、化学エッチングを行い、フォトレジストを除去するステップS5と、
絶縁層を成膜するステップS6と、
第1金属補助電極と第2金属補助電極にフォトレジストを塗布して露光した後、パターニングして化学エッチングするステップS7と、を含む、
ことを特徴とする、請求項1~2のいずれか一項に記載の薄膜太陽電池の直列接続構造の製造プロセス。
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CN201910471589.6A CN110176506B (zh) | 2019-05-31 | 2019-05-31 | 薄膜光伏电池串联结构及薄膜光伏电池串联的制备工艺 |
CN201910471589.6 | 2019-05-31 | ||
PCT/CN2019/089811 WO2020237697A1 (zh) | 2019-05-31 | 2019-06-03 | 薄膜光伏电池串联结构及薄膜光伏电池串联的制备工艺 |
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JPH0743669Y2 (ja) * | 1987-07-28 | 1995-10-09 | シチズン時計株式会社 | 太陽電池付腕時計 |
JPH0196588A (ja) * | 1987-10-07 | 1989-04-14 | Seiko Epson Corp | 電子時計 |
JP3155459B2 (ja) * | 1996-03-27 | 2001-04-09 | 三洋電機株式会社 | 集積型非晶質半導体太陽電池の製造方法及び集積型非晶質半導体太陽電池 |
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