高反射釉料对不同厚度光伏玻璃断裂强度的影响

硅酸盐通报 ›› 2024, Vol. 43 ›› Issue (4): 1350-1358.

• “玻璃材料与玻璃技术”专题(II) • 上一篇下一篇

高反射釉料对不同厚度光伏玻璃断裂强度的影响

吴江涛¹, 刘津¹, 刘玲玲², 徐德生², 金飞凯², 程轶斐¹, 丁林锋¹, 王连军¹

1.东华大学材料科学与工程学院,先进玻璃制造技术教育部工程研究中心,上海 201620;
2.上海晶澳太阳能科技有限公司,上海 201400

收稿日期:2023-12-13 修订日期:2024-01-25 出版日期:2024-04-15 发布日期:2024-04-17
通信作者: 刘津,实验师。E-mail:lj@dhu.edu.cn丁林锋,博士,副研究员。E-mail:linfeng.ding@dhu.edu.cn
作者简介:吴江涛(1999—),男,硕士研究生。主要从事硅酸盐玻璃材料的研发和测试。E-mail:wujiangtao2020@126.com
基金资助:
国家自然科学基金(U22A20125,52102002);上海市自然科学基金(22ZR1400400);中央高校基本科研业务费专项资金(2232023G-07)

Effect of Highly Reflective Glaze on Fracture Strength of Solar Photovoltaic Glass with Different Thicknesses

WU Jiangtao¹, LIU Jin¹, LIU Lingling², XU Desheng², JIN Feikai², CHENG Yifei¹, DING Linfeng¹, WANG Lianjun¹

1. Engineering Research Center of Advanced Glass Manufacturing Technology, Ministry of Education, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China;
2. Shanghai JA Solar Technology Co., Ltd., Shanghai 201400, China

Received:2023-12-13 Revised:2024-01-25 Online:2024-04-15 Published:2024-04-17

摘要/Abstract

摘要： 高反射釉料常被涂覆在光伏玻璃上以提升其光电转化效率,然而,高反射釉料对光伏玻璃断裂强度的影响尚不明确。本文采用双环测试和四点弯曲测试定量研究了玻璃厚度(1.55、1.86和2.89 mm)、釉料种类(A和B)、加载速率(2、20、50 mm/min)及上压头受力面(釉料面、玻璃面)等对光伏玻璃断裂强度的影响,并结合Weibull分布分析变量对光伏玻璃断裂强度的影响。研究结果表明,两种高反射釉料都能显著降低光伏玻璃的断裂强度,其中,在釉料面朝下时,双环测试的断裂强度降低超过72%,远超过四点弯曲强度的降低幅度(26%~46%)。此外,随着玻璃厚度的下降,断裂强度显著降低,例如,四点弯曲测试中, 2.89 mm厚度带釉料的全钢化光伏玻璃断裂强度为104 MPa,而1.55和1.86 mm厚度半钢化光伏玻璃的断裂强度仅为68和73 MPa。通过扫描电子显微镜发现,釉料层与光伏玻璃基体中的微孔等缺陷是导致光伏玻璃断裂强度下降的主要原因。

关键词: 光伏玻璃, 高反射釉料, 厚度, 断裂强度, Weibull分布, 四点弯曲

Abstract: Highly reflective glaze is commonly applied to solar photovoltaic glass to improve photovoltaic conversion efficiency. However, their impact on the fracture strength of solar photovoltaic glass remains inadequately understood. This study quantitatively investigated the effects of thickness (1.55, 1.86 and 2.89 mm), glaze type (A and B), loading rate (2, 20, 50 mm/min) and upper indenter force surfaces (glaze and glass) on the fracture strength of solar photovoltaic glass using the ring-on-ring test and the four-point bending test. The results were analyzed using the Weibull distribution. The results show that both types of reflective glaze significantly diminish the fracture strength of solar photovoltaic glass. The ring-on-ring test, which involves contact with the back side of the glaze, demonstrates a remarkable reduction in fracture strength, exceeding 72%, surpassing the reduction observed in the four-point bending strength (26%~46%). Furthermore, a substantial decrease in fracture strength is observed with decreasing glass thickness. For instance, the fracture strength of 2.89 mm fully tempered solar photovoltaic glass with glaze in the four-point bending test measures approximately 104 MPa, whereas the fracture strength of 1.55 and 1.86 mm semi-tempered solar photovoltaic glass is only about 68 and 73 MPa. Scanning electron microscopy images reveal that the primary cause of the reduction in fracture strength of solar photovoltaic glass is the presence of defects, such as micropores in the glaze layer and the solar photovoltaic glass substrate.

Key words: solar photovoltaic glass, highly reflective glaze, thickness, fracture strength, Weibull distribution, four-point bending

中图分类号:

TQ171

吴江涛, 刘津, 刘玲玲, 徐德生, 金飞凯, 程轶斐, 丁林锋, 王连军. 高反射釉料对不同厚度光伏玻璃断裂强度的影响[J]. 硅酸盐通报, 2024, 43(4): 1350-1358.

WU Jiangtao, LIU Jin, LIU Lingling, XU Desheng, JIN Feikai, CHENG Yifei, DING Linfeng, WANG Lianjun. Effect of Highly Reflective Glaze on Fracture Strength of Solar Photovoltaic Glass with Different Thicknesses[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2024, 43(4): 1350-1358.

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高反射釉料对不同厚度光伏玻璃断裂强度的影响

Effect of Highly Reflective Glaze on Fracture Strength of Solar Photovoltaic Glass with Different Thicknesses

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