Solar cell encapsulant and the solar cell module using the same

Transparency, flexibility, adhesion, heat resistance, appearance, provide crosslinking properties, excellent in various properties such as electrical properties and extrudability solar cell sealing material. Requirements a1) to provide a solar cell sealing material including to a3) satisfying the ethylene-alpha-olefin-non-conjugated polyene copolymer. Requirements a1) with the content of the constituent unit derived from ethylene is 80~90mol%, content of structural units derived from α- olefin having 3 to 20 carbon atoms is 9.99~19.99mol%, and the content of structural units derived from nonconjugated polyene is 0.01~5.0mol%. Complies with the requirements a2) ASTM D1238, 190 ℃, MFR is measured under the conditions of 2.16kg load is 10 to 50 g / 10 min. Shore A hardness is measured according to the requirements a3) ASTM D2240 is 60-85.