技术研发与经济周期+陈宇彤

1D u P o n t E l e c t r o n i c s 主要原因是 PVDF横向断裂伸长率低  实验室检测结果与户外检查结论一致 来自一线组件厂的全尺寸商业组件 9 DuPont Copyright 2019, All rights reserved. 最新发现的 PVDF背板开裂 中国西北 40MW 6年 放大镜下， PVDF开裂呈现明显的锯齿型 全球光伏可靠性调查研究项目 -- PVDF型背板失效 10 PVDF型背板开裂并脱层 印度西北， 7年 Copyright © 2019 DuPont . All rights reserved. 全球光伏可靠性调查研究项目 -- PVDF型背板失效 11 • 裂纹延伸长度达数片电池 • 部分汇流条连接处发生腐蚀 法国，地中海离岛， 7.5年 Copyright © 2019 DuPont . All rights reserved. Copyright © 2019 DuPont . All rights reserved. 12 2020-2025 光伏周期 耐久力而非爆发力 解决之道 做优 做强 做大 无缝支持您的太阳能业务 信赖杜邦和我们的可靠承诺， 踏实做好每一个细节 • 全寿命性能如一 • 户外 +实验室双重检测 • 可靠可信财务回报 • 宽广的产品线 13 谢 谢 您 Copyright © 2019 DuPont. All rights reserved. DuPont™, the DuPont Oval Logo and all trademarks and service marks denoted with ™, ℠ or ® are owned by affiliates of DuPont de Nemours, Inc. unless otherwise noted. Nothing contained herein shall be construed as a representation that any recommendations, use or resale of the product or process described herein is permitted and complies with the rules or regulations of any countries, regions, localities, etc., or does not infringe upon patents or other intellectual property rights of third parties. The information provided herein is based on data DuPont believes to be reliable, to the best of its knowledge and is provided at the request of and without charge to our customers. Accordingly, DuPont does not guarantee or warrant such information and assumes no liability for its use. If this product literature is translated, the original English version will control and DuPont hereby disclaims responsibility for any errors caused by translation. This document is subject to change without further notice.