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公开(公告)号：EP4343874A1
公开(公告)日：2024-03-27
申请号：EP22804332.9
申请日：2022-03-11
IPC分类号： H01L51/44 , H01L51/46 , H01L31/048
摘要： A solar cell 1000 according to the present disclosure includes a support 2, a photoelectric conversion element 1, and a sealing member 3. The photoelectric conversion element 1 is in a sealed space defined by the support 2 and the sealing member 3. The photoelectric conversion element 1 includes, in this order, a first electrode, a photoelectric conversion layer, and a second electrode. An oxygen concentration in the sealed space is less than 10 ppm in terms of volume fraction, and a water vapor concentration in the sealed space is greater than or equal to 100 ppm and less than or equal to 5000 ppm in terms of volume fraction.
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公开(公告)号：EP4462975A1
公开(公告)日：2024-11-13
申请号：EP22918724.0
申请日：2022-11-16
摘要： A solar cell 100 of the present disclosure includes: a photoelectric conversion element 20; and an exterior body 1 surrounding the entire photoelectric conversion element 20. The photoelectric conversion element 20 includes a perovskite compound. The exterior body 1 includes a first sealing portion 30 and a second sealing portion. The first sealing portion 30 includes a water vapor concentration adjusting material. The first sealing portion 30 has a first exposed surface 31 exposed to an outside of the exterior body 1 and a second exposed surface 32 exposed to an inside of the exterior body 1, and is continuous between the first exposed surface 31 and the second exposed surface 32. The second sealing portion includes a material having a water vapor permeability coefficient lower than that of the water vapor concentration adjusting material.
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