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首页> 外文期刊>Energy >Environmental impacts of PV technology throughout the life cycle: Importance of the end-of-life management for Si-panels and CdTe-panels
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Environmental impacts of PV technology throughout the life cycle: Importance of the end-of-life management for Si-panels and CdTe-panels

机译：光伏技术在整个生命周期中的环境影响：Si-panel和CdTe-panel报废管理的重要性

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This study quantitatively assesses the life-cycle environmental impacts of 1 m<^>2 of Si and CdTe Photovoltaic module. GaBi LCA software is applied to establish the LCA model and to perform the calculation, and CML 2001 baseline method is chosen to quantify the environmental impacts. The comparative analysis shows that CdTe technology requires less energy and material resources than Si technology resulting in a reduction of all impacts related to polluting emissions and to material resources consumption. Instead, the human, aquatic and terrestrial toxicity environmental impacts are particularly high for the CdTe panels because they are made of toxic materials. The study highlights the importance of the recycling process at the end of life which involves the recovering of raw materials, a decrease of energy demand and a reduction of emissions of materials that would be harmful to the environment if discharged in landfills. The analysis finally shows the sustainability of these photovoltaic systems through the evaluation of EPBT indicator. The energy pay-back time was calculated carrying out a parametric analysis, varying the main variables, and providing a framework as detailed as possible of the results obtained. (C) 2017 Elsevier Ltd. All rights reserved.
机译：这项研究定量评估了1 m 2的Si和CdTe光伏组件的生命周期环境影响。使用GaBi LCA软件建立LCA模型并执行计算，并选择CML 2001基线方法来量化环境影响。对比分析表明，CdTe技术比Si技术所需的能源和材料更少，从而减少了与污染排放和材料资源消耗有关的所有影响。取而代之的是，由于CdTe面板是由有毒材料制成，因此对人类，水生和陆地毒性的环境影响特别严重。这项研究强调了生命周期尽头的循环过程的重要性，这涉及到原材料的回收，能源需求的减少以及减少如果被填埋场排放会对环境有害的材料的排放。通过对EPBT指标的评估，分析最终显示了这些光伏系统的可持续性。通过进行参数分析，更改主要变量并为获得的结果提供尽可能详细的框架来计算能量回收时间。 （C）2017 Elsevier Ltd.保留所有权利。

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