研究目的
Investigating the reliability implications of partial shading on CIGS photovoltaic devices, focusing on the formation of wormlike defects and their impact on module performance.
研究成果
The largest reliability impact of partial shading of CIGS modules is the formation of reverse bias induced wormlike defects. The appearance and morphology of these defects have been studied; nonetheless, the origin and exact mechanisms behind the formation and propagation remain unclear. It is expected that newer products entering the market will be more shade-tolerant, and ongoing research in this field will contribute to the introduction of more shade-tolerant CIGS PV products.
研究不足
The review highlights the challenges in comparing results from different studies due to lack of uniformity in measurement conditions, the effect of metastabilities and pre-conditioning on module performance, and the need for more research to fully understand the mechanisms behind the reverse characteristic of CIGS cells.
1：Experimental Design and Method Selection:
The study reviews shading tests executed on CIGS modules, focusing on the fundamental aspects studied on cells. It includes an overview of different shading scenarios and their impact on module performance.
2：Sample Selection and Data Sources:
The review includes data from various publications on shading tests performed on CIGS modules, with a focus on monolithically interconnected modules and modules with separated large cells.
3：List of Experimental Equipment and Materials:
Not explicitly mentioned in the provided text.
4：Experimental Procedures and Operational Workflow:
The review discusses the impact of partial shading on CIGS modules, including the formation of local shunts and the conditions under which these defects occur.
5：Data Analysis Methods:
The study analyzes the performance and reliability implications of partial shading, including the reduction in module efficiency and the formation of wormlike defects.
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