利用太阳能废硅片回收硅合成碳化硅粉体

Yoonjoo Lee, Oh-Kyu Kwon, Ju-Hyeong Sun, Geun-Yong Jang, Joon-Chul Choi, W. Kwon
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引用次数: 0

摘要

以废太阳能板中回收的炭黑和硅为原料制备碳化硅粉体。在太阳能发电市场中,晶体硅组件的数量超过90%。随着光伏组件寿命的临近,从环保和经济的角度来看,硅的回收利用技术的发展是非常重要的。在本研究中,硅从废太阳能电池板中回收为碳化硅:从纯度为95.74%的废硅片中提纯得到99.99%的硅粉。为了考察SiC粉的合成特性,将纯化后的99.99%硅粉和碳粉混合,在Ar气氛中分别进行1300、1400和1500℃的热处理。采用粒度分布分析仪、XRD、SEM、ICP、FT-IR和拉曼分析等方法对硅和碳化硅粉体进行了表征。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Synthesis of Silicon Carbide Powder Using Recovered Silicon from Solar Waste Silicon Wafer
Silicon carbide powder was prepared from carbon black and silicon recovered from waste solar panels. In the solar power generation market, the number of crystalline silicon modules exceeds 90%. As the expiration date of a photovoltaic module arrives, the development of technology for recovering and utilizing silicon is very important from an environmental and economic point of view. In this study, silicon was recovered as silicon carbide from waste solar panels: 99.99% silicon powder was recovered through purification from a 95.74% purity waste silicon wafer. To examine the synthesis characteristics of SiC powder, purified 99.99% silicon powder and carbon powder were mixed and heat-treated (1,300, 1,400 and 1,500 °C) in an Ar atmosphere. The characteristics of silicon and silicon carbide powders were analyzed using particle size distribution analyzer, XRD, SEM, ICP, FT-IR, and Raman analysis.
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