组件背板（PET / 含氟）：抗紫外、抗水解与无氟化路线应对
Last Updated：2026-10-20
背板成本占比不足 0.5%，却决定组件能否通过 TUV 认证与 IEC 老化测试。本文拆解背板多层结构与各层老化关注点，对比含氟与无氟两条技术路线的助剂差异，并给出 PET 芯层抗水解的常被忽视方案。
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