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在灵活的太阳能电池的EVA/Si电池接口上确定关键能量释放率

Hansung Kim¹, Tarang K Panchal¹, Krishnajith Theril¹

¹Purdue University Northwest, 2200 169th st., Hammond, IN 46323, USA.

|October 29, 2024

概括

研究人员开发了一种方法来测量灵活太阳能电池接口的临界能量释放率 (Gc). 这确保了电子设备的太阳能电池材料的耐用性和可靠性.

科学领域:

材料科学材料科学材料科学
可再生能源工程可再生能源工程
固体力学固体力学是什么

背景情况:

商用柔性 (Si) 太阳能电池越来越多地用于充电电池和电子设备.
了解界面粘附对于灵活太阳能电池的长期性能和可靠性至关重要.
现有的方法可能无法完全捕捉这些设备中复杂的界面行为.

研究的目的:

提出一种新的方法来确定EVA/Si电池接口的临界能量释放率 (Gc).
为太阳能电池结构内的其他关键接口提供适用的框架.
提高对灵活太阳能电池界面分层的理解.

主要方法:

在太阳能电池样本的EVA/Si电池接口上进行剥离试验.
在太阳能电池样本的上层进行拉力测试.
使用IC Peel软件进行数据分析和计算Gc.

主要成果:

该研究成功地概述了一种方法来量化EVA和Si层之间的临界能量释放率 (Gc).
关键输入包括剥离力,扬模量 (E),产应力 (σy) 和上层的产应力 (εy).
该方法提供了可靠的界面粘附强度测量.

结论:

开发的方法提供了一个关键参数 (Gc),用于评估柔性太阳能电池的界面完整性.
这种方法可以扩展到评估各种太阳能电池设计中的其他接口.
精确测量Gc有助于提高灵活的太阳能技术的耐用性和寿命.

关键词:

关键的能量释放率是指释放的能量.分层预测器的分层预测剥离试验剥离试验太阳能电池是一个太阳能电池.

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