| 摘要 |
PROBLEM TO BE SOLVED: To provide a sealing sheet for a solar cell capable of maintaining the power generation efficiency of a solar cell over an extended period and a solar cell module equipped with the sealing sheet for a solar cell.SOLUTION: The provided sealing sheet for a solar cell comprises an ethylene-methyl methacrylate copolymer consisting of structural units derived from ethylene and structural units derived from methyl methacrylate wherein the content of the structural units derived from methyl methacrylate is 20 mass% or above and 35 mass% or below, wherein the melt flow rate thereof is 2 g/10 min or above and 50 g/10 min or below, and wherein, when molded as a sheet having a thickness of 500 μm, the water vapor permeability (JIS Z 0208, cup method, 40°C, 90%RH) of the sheet is 24 g/(m24 hr) or below. |
