PHOTOVOLTAIC POWER GENERATION DEVICE

To suppress peeling at the interface between layers due to long-term use even in a usage mode other than a flat mode.SOLUTION: A photovoltaic power generation device 100 includes a back protective layer 11, a surface protective layer 17 that is spaced apart from the back protective layer 11 and has...

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1. Verfasser: UNO TOMOHITO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To suppress peeling at the interface between layers due to long-term use even in a usage mode other than a flat mode.SOLUTION: A photovoltaic power generation device 100 includes a back protective layer 11, a surface protective layer 17 that is spaced apart from the back protective layer 11 and has translucency, a power generation portion 7 disposed between the back protective layer 11 and the surface protective layer 17, and a sealing layer 18 that is filled between the back protective layer 11 and the surface protective layer 17 and covers at least a portion of the power generation portion 7, and the transverse elastic modulus of the sealing layer 18 is 500 MPa or less.SELECTED DRAWING: Figure 1 【課題】フラットな態様以外の使用態様においても、長期間の使用により層間の界面で剥離が生じるのを抑制できること。【解決手段】太陽光発電装置100は、背面保護層11と、背面保護層11に対して間隔をおいて設けられ、透光性を有する表面保護層17と、背面保護層11と表面保護層17との間に配置された発電部7と、背面保護層11と表面保護層17との間に充填され、発電部7の少なくとも一部を覆う封止層18と、を備え、封止層18の横弾性係数が、500MPa以下である。【選択図】図1