废旧碲化镉薄膜太阳能电池中碲、镉回收的实验研究  

Experimental Research of Te and Cd Recovery in Waste Cadmium Telluride Thin Film Solar Cells

作　　者：张琪 陈正 ZHANG Qi;CHEN Zheng(Lanzhou Engineering&Research Institute of Nonferrous Metallurgy Co.,Ltd.,Lanzhou 730000,China)

机构地区：[1]兰州有色冶金设计研究院有限公司,甘肃兰州730000

出　　处：《河南化工》2022年第12期32-34,共3页Henan Chemical Industry

摘　　要：利用CdTe易氧化及其氧化物熔点低、易升华的特性,采用氧化焙烧法进行碲化镉薄膜太阳能电池中Te、Cd回收的实验研究,探究了焙烧温度和焙烧时间对Te、Cd回收率的影响。结果表明:温度条件800℃,氧化焙烧时间1 h,碲化镉薄膜太阳能电池中Te回收率达到93.96%,Cd回收率达到89.27%。此方法工艺简单,经济有效,避免了二次污染。Using CdTe easy oxidation and its oxide low melting point,easy sublimation characteristics,recovery test of Te and Cd is studied in CdTe thin film solar cells by oxidation roasting.The effects of calcination temperature and calcination time on the recovery of Te and Cd are investigated.The results show that the recovery rate of Te reaches 93.96%,and the recovery rate of Cd reaches 89.27%when temperature is 800℃and an oxidative roasting time is 1 h.The method is simple in process,economical and effective,and avoids secondary pollution.

关 键 词：碲化镉薄膜 太阳能电池 碲 镉 氧化焙烧 

分 类 号：X789[环境科学与工程—环境工程]