Scenario-based recycling strategies for perovskite-silicon tandem solar cells: a harmonized life cycle assessment study,Sustainable Energy & Fuels

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Scenario-based recycling strategies for perovskite-silicon tandem solar cells: a harmonized life cycle assessment study
Sustainable Energy & Fuels ( IF 5.0 ) Pub Date : 2024-02-28 , DOI: 10.1039/d3se01182h
Mercy Jelagat Kipyator _{1,

2} , Federico Rossi _{1,

3} , Luigi Vesce ₄ , Aldo di Carlo _{4,

5} , Riccardo Basosi _{1,

6,

7} , Maria Laura Parisi _{1,

6,

7} , Adalgisa Sinicropi _{1,

6,

7}

Affiliation

Tandem solar cells allow for the increase of the overall power conversion efficiency (PCE) beyond the single-junction limit. However, despite their high PCE, tandem cells can be responsible for relevant environmental impacts during their life cycle. This paper presents a harmonized scenario-based life cycle assessment of five perovskite-silicon tandem solar cells from the cradle to the grave. Based on the global warming potential (GWP) indicator, we quantified and compared the environmental performance of different recycling strategies that can be implemented for monolithic and mechanically stacked tandem cells. The recycling strategies address a wide range of possible solutions to address the lifetime gap between silicon and perovskite semi-cells of tandem devices, giving support to the development and evaluation of an optimum recycling strategy that could be a solution to the end-of-life management of tandem cells. Moreover, a sensitivity analysis was performed on the tandem cells' operational parameters. The results highlight the environmental impacts of the recycling strategies, with the most sustainable waste management option identified as the one with the least environmental impact. The sensitivity analysis allowed us to find the environmental breakeven point for the lifetime, stability of the perovskite layer and efficiency of tandem cells.

中文翻译：

基于场景的钙钛矿-硅串联太阳能电池回收策略：统一的生命周期评估研究

串联太阳能电池可以将整体功率转换效率（PCE）提高到超出单结限制。然而，尽管串联电池的 PCE 很高，但它们在其生命周期中可能会造成相关的环境影响。本文提出了对五种钙钛矿-硅串联太阳能电池从摇篮到坟墓的基于场景的统一生命周期评估。基于全球变暖潜势（GWP）指标，我们量化并比较了可用于单片和机械堆叠串联电池的不同回收策略的环境绩效。回收策略提出了多种可能的解决方案，以解决串联器件的硅和钙钛矿半电池之间的寿命差距，为最佳回收策略的开发和评估提供支持，该策略可能成为寿命终止的解决方案串联电池的管理。此外，还对串联电池的运行参数进行了敏感性分析。结果强调了回收策略对环境的影响，最可持续的废物管理方案被认为是对环境影响最小的方案。灵敏度分析使我们能够找到钙钛矿层的寿命、稳定性和串联电池效率的环境盈亏平衡点。

更新日期：2024-02-28

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