Patent ID: 9202956
Filing Date: 2015-12-01
Classification: B32B,C08J,H01L,Y02E,Y10T

Abstract:
1. A backsheet for a solar cell, the backsheet comprising: a support which has a thickness of 120 μm to 350 μm and which has a ratio of an elongation at break after 50 hours of storage at 120° C. and 100% RH, to an elongation at break before the storage, of 77% or more; a first polymer layer which is formed on one surface of the support by coating, which comprises a polymer, and which has a thickness of 0.5 μm to 12.0 μm; and a second polymer layer which is formed on a surface on an opposite side from the surface of the support on which the first polymer layer is provided by coating, which comprises a fluorinated resin or a silicone-based resin, and which has a thickness of 0.2 μm to 15.0 μm.