JP2016178328A - 太陽電池モジュール及びその製造方法 - Google Patents
太陽電池モジュール及びその製造方法 Download PDFInfo
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- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 claims description 3
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- AYIGWTYMCHDVTN-UHFFFAOYSA-N [dicarboxy(ethenyl)silyl]formic acid Chemical compound OC(=O)[Si](C=C)(C(O)=O)C(O)=O AYIGWTYMCHDVTN-UHFFFAOYSA-N 0.000 description 1
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- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 1
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- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
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- B32B17/10651—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer comprising colorants, e.g. dyes or pigments
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Abstract
【解決手段】本発明に係る太陽電池モジュール1は、3mm〜6mmの厚みを有するガラス板または樹脂板により構成される透明基板10と、エチレン性不飽和シラン化合物、エチレン性不飽和シラン化合物とα−オレフィンとの共重合体及びシラン変性樹脂からなる群から選ばれた少なくともひとつの樹脂を含む透明樹脂層13bと、複数の太陽電池セル12を有する太陽電池セルユニット2と、エチレン・酢酸ビニル共重合体等の樹脂及び酸化チタン粒子等の着色剤を含み、構成する樹脂が透明樹脂層13b異なる着色樹脂層13aと、150μm〜300μmの厚みを有する樹脂シートにより構成されるバックシート11と、を備え、透明基板10と、透明樹脂層13bと、太陽電池セルユニット2と、着色樹脂層13aと、バックシート11とがこの順番で積層される。
【選択図】図3
Description
透明基板10は、太陽電池セル12の受光面12a側に配されている。透明基板10は、太陽電池セルユニット2を保護すると共に、太陽電池モジュール1の機械的強度を担保する部材である。
及び光透過率が高く、かつ耐候性に優れているからである。
バックシート11は、透明基板10と対向している。バックシート11は、太陽電池セル12の裏面12b側に配されている。バックシート11は、例えば、ポリエチレンテレフタレート(PET)などからなる可撓性を有する樹脂シートなどにより構成することができる。なお、バックシート11を構成する樹脂シートの内部には、例えば、アルミニウム箔などの金属箔や、水分透過性が低い無機バリア層等が設けられていてもよい。無機バリア層は、例えば、酸化珪素、酸化アルミニウム、酸化マグネシウム等の無機酸化物などにより形成することができる。
充填剤層13の内部には、太陽電池セルユニット2が配置されている。太陽電池セルユニット2は、互いに電気的に接続されている複数の太陽電池セルストリング3を備えている。太陽電池セルストリング3は、複数の太陽電池セル12を有する。複数の太陽電池セル12は、一の方向に配列され、配線材14によって直列または並列に電気的に接続されている。具体的には、複数の太陽電池セル12は、一の方向において隣り合う太陽電池セル12同士が配線材14によって電気的に接続されることによって、直列または並列に電気的に接続されている。
樹脂層として充填剤層13は、透明基板10とバックシート11との間に充填されている。この充填剤層13は、太陽電池セルユニット2を封止するための部材である。このため、充填剤層13は、封止層と呼ばれることもある。
但し、上記式(1)において、
MFR:メルトフローレート(g/10分)
m:切り取り片の平均質量
t:試料の切り取り時間間隔(秒)
600:基準時間の秒数(=10分)
次に、図3を参照しながら、太陽電池モジュール1の製造方法の一例について説明する。
2…太陽電池セルユニット
3…太陽電池セルストリング
10…透明基板
11…バックシート
12…太陽電池セル
12a…受光面
12b…裏面
13…充填剤層
13a…着色樹脂層
13b…透明樹脂層
14…配線材
21…着色樹脂シート
22…透明樹脂シート
30…積層体
Claims (7)
- 透明基板と、透明樹脂シートと、太陽電池セルユニットと、着色樹脂シートと、バックシートとをこの順番で積層することにより積層体を形成する積層体形成工程と、
前記積層体を加熱しながらラミネートすることにより、前記透明樹脂シート及び前記着色樹脂シートの、前記積層体の端部に位置する部分が、前記積層体の中央に向かって流動し、前記積層体の端部に位置する部分が薄く変形させるラミネート工程と、を含む太陽電池モジュールの製造方法であって、
前記太陽電池セルユニットは、互いに電気的に接続されている複数の太陽電池セルストリングを備え、前記太陽電池セルストリングは配線材によって電気的に接続された複数の太陽電池セルを有し、
前記透明樹脂シートは、エチレン性不飽和シラン化合物、エチレン性不飽和シラン化合物とα−オレフィンとの共重合体及びシラン変性樹脂からなる群から選ばれた少なくともひとつの樹脂を含み、
前記着色樹脂シートを構成する樹脂が前記透明樹脂シートと異なり、前記着色樹脂シートは、エチレン・酢酸ビニル共重合体、エチレン・エチルアクリレート共重合体、シリコーン樹脂、エポキシ樹脂、ポリビニルブチラール、エチレンビニルアルコール共重合体、アクリル樹脂、ポリエチレン及びポリプロピレンからなる群から選ばれた少なくともひとつの樹脂を含む、太陽電池モジュールの製造方法。 - 前記透明基板は、3mm〜6mmの厚みを有するガラス板または樹脂板であり、
前記バックシートは、150μm〜300μmの厚みを有する樹脂シートである、請求項1に記載の太陽電池モジュールの製造方法。 - 前記ラミネート工程での前記着色樹脂シートの粘度が、前記透明樹脂シートの粘度よりも低い、請求項1または2に記載の太陽電池モジュールの製造方法。
- 3mm〜6mmの厚みを有するガラス板または樹脂板により構成される透明基板と、
エチレン性不飽和シラン化合物、エチレン性不飽和シラン化合物とα−オレフィンとの共重合体及びシラン変性樹脂からなる群から選ばれた少なくともひとつの樹脂を含む透明樹脂層と、
互いに電気的に接続されている複数の太陽電池セルストリングを備え、前記太陽電池セルストリングは配線材によって電気的に接続された複数の太陽電池セルを有する、太陽電池セルユニットと、
エチレン・酢酸ビニル共重合体、エチレン・エチルアクリレート共重合体、シリコーン樹脂、エポキシ樹脂、ポリビニルブチラール、エチレンビニルアルコール共重合体、アクリル樹脂、ポリエチレン及びポリプロピレンからなる群から選ばれた少なくともひとつの樹脂と、酸化チタン粒子、炭酸カルシウム粒子、ウルトラマリン、カーボンブラック、ガラスビーズ及び光拡散材からなる群から選ばれた少なくともひとつの着色剤と、を含み、構成する樹脂が前記透明樹脂層と異なる着色樹脂層と、
150μm〜300μmの厚みを有する樹脂シートにより構成されるバックシートと、を備え、
前記透明基板と、前記透明樹脂層と、前記太陽電池セルユニットと、前記着色樹脂層と、前記バックシートとがこの順番で積層される、太陽電池モジュール。 - 前記透明樹脂層のMFRが、前記着色樹脂層のMFRより小さい、請求項4に記載の太陽電池モジュール。
- 前記透明樹脂層のMFRが、前記着色樹脂層のMFRよりも0.7g/10分以上小さい、請求項4に記載の太陽電池モジュール。
- 前記透明樹脂層のMFRが、前記着色樹脂層のMFRよりも1.0g/10分以上小さい、請求項4に記載の太陽電池モジュール。
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