CAS OpenIR
Recovery of Silicon via Using KOH-Ethanol Solution by Separating Different Layers of End-of-Life PV Modules
Yan, Yang3; Wang, Zhi1,2; Wang, Dong1,2; Cao, Janwei1,2; Ma, Wenhui3; Wei, Kuixian3; Yun, Lei3
2020-05-11
Source PublicationJOM
ISSN1047-4838
Pages9
AbstractWith the rapid increase of photovoltaic (PV) system production and installation, the recycling of end-of-life PV modules has become an important issue. In this paper, the recovery of Si by separating the layers of end-of-life PV modules using KOH-ethanol solution was investigated. Compared with traditional swelling or dissolving reagents (such as benzene and trichloroethylene), KOH-ethanol is a green reagent with low environmental toxicity. The experiments explored the effect of different alkalis, module sizes, temperatures, KOH concentrations, and solid-to-liquid ratios on the separation ratio of the PV modules. The mechanism for separating these layers was also studied. Under optimal conditions, the layers of these PV modules can be completely separated in 3 h, and oxidation of the recovered Si wafer can be controlled. Hence, this method of recycling PV modules is of great significance for environmental protection and resource utilization.
DOI10.1007/s11837-020-04193-6
Language英语
WOS KeywordCRYSTALLINE
Funding ProjectNatural Science Foundation of China[51934006] ; Natural Science Foundation of China[U1702251] ; Major Science and Technology Projects in Yunnan Province[2019ZE007]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering ; Mineralogy ; Mining & Mineral Processing
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Mineralogy ; Mining & Mineral Processing
Funding OrganizationNatural Science Foundation of China ; Major Science and Technology Projects in Yunnan Province
WOS IDWOS:000531771000005
PublisherSPRINGER
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/40506
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Zhi
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Innovat Acad Green Manufacture, Beijing 100190, Peoples R China
3.Kunming Univ Sci & Technol, Fac Met & Energy Engn, Natl Engn Lab Vacuum Met, Kunming 650093, Yunnan, Peoples R China
Recommended Citation
GB/T 7714
Yan, Yang,Wang, Zhi,Wang, Dong,et al. Recovery of Silicon via Using KOH-Ethanol Solution by Separating Different Layers of End-of-Life PV Modules[J]. JOM,2020:9.
APA Yan, Yang.,Wang, Zhi.,Wang, Dong.,Cao, Janwei.,Ma, Wenhui.,...&Yun, Lei.(2020).Recovery of Silicon via Using KOH-Ethanol Solution by Separating Different Layers of End-of-Life PV Modules.JOM,9.
MLA Yan, Yang,et al."Recovery of Silicon via Using KOH-Ethanol Solution by Separating Different Layers of End-of-Life PV Modules".JOM (2020):9.
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