GLASS PLATE FOR THIN FILM SOLAR CELL

PROBLEM TO BE SOLVED: To improve photoelectric conversion efficiency of a thin film solar cell by providing a glass plate including a predetermined alkaline component and having a sufficiently high strain point.SOLUTION: The glass plate for thin film solar cells has a glass composition containing Si...

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Bibliographische Detailangaben
Hauptverfasser: ROKUSHA MASATO, UMEMURA HIROMICHI, TAKASE HIRONORI, IZEKI JUNICHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To improve photoelectric conversion efficiency of a thin film solar cell by providing a glass plate including a predetermined alkaline component and having a sufficiently high strain point.SOLUTION: The glass plate for thin film solar cells has a glass composition containing SiOof 40-70%, AlOof 1-20%, (LiO+NaO+KO) of 5-20%, (MgO+CaO+SrO+BaO) of 5-40%, and ZrOof 0.1-10% by mass%. A mass ratio of (LiO+NaO+KO)/(MgO+CaO+SrO+BaO) is 0.2-1.0, and the strain point is 600°C or more.