500多个FACs矿太阳能电池在长期稳定性测试中
Žan Ajdič1, Fernando Solorio Soto1, Marko Remec1,2
1Faculty of Electrical Engineering, University of Ljubljana, Tržaška 25, 1000 Ljubljana, Slovenia.
ACS applied materials & interfaces
|January 7, 2026
概括
500多个矿太阳能电池的长期稳定性测试显示光是主要的降解因子. 移除化物离子显著提高细胞稳定性,改善寿命.
科学领域:
- 材料科学 材料科学 材料科学
- 可再生能源可再生能源是可再生能源.
- 太阳能光伏发电是如何实现的
背景情况:
- 矿太阳能电池提供高效率,但长期存在稳定性问题.
- 了解降解机制对于商业化至关重要.
- 之前的研究强调湿度和光线是主要的降解因素.
研究的目的:
- 系统地调查超过500个FAC的矿太阳能电池的长期稳定性.
- 在各种压力条件下识别主要降解贡献者.
- 评估组合变化对细胞寿命的影响.
主要方法:
- 在不同的光强度和周期条件下长期最大功率点 (MPP) 追踪.
- Al2O3对湿度抗性进行上限.
- 视觉检查,空间和光谱光发光度测量.
- 对500多种测试产品进行统计分析.
主要成果:
- 封装Al2O3有效地减轻了潮湿引起的降解.
- 光被证实是主要的降解驱动器.
- 阶段分离和矿/C60接口降解被确定为关键问题.
- 从FAC的组成中去除化物离子可以提高稳定性高达5倍 (t80寿命).
- 在稳定性跟踪过程中,t80寿命和偏差电压之间存在线性相关性.
结论:
- 优化矿组成,特别是化离子含量,对于提高太阳能电池稳定性至关重要.
- 由相隔离和接口问题驱动的光诱导退化是一个主要的挑战.
- 对大样本大小 (>500) 的统计分析显示,与J-V测量相比,长期稳定性测量的显著变化.
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