Review on Separation Processes of End-of-Life Silicon Photovoltaic Modules

Jongwon Ko, Kyunghwan Kim, Ji Woo Sohn, Hongjun Jang, Hae-Seok Lee, Donghwan Kim and Yoonmook Kang ()
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Jongwon Ko: Department of Materials and Engineering, Korea University, Seoul 02841, Republic of Korea
Kyunghwan Kim: Department of Materials and Engineering, Korea University, Seoul 02841, Republic of Korea
Ji Woo Sohn: Department of Materials and Engineering, Korea University, Seoul 02841, Republic of Korea
Hongjun Jang: Graduate School of Energy and Environment (KU-KIST Green School), Korea University, Seoul 02841, Republic of Korea
Hae-Seok Lee: Graduate School of Energy and Environment (KU-KIST Green School), Korea University, Seoul 02841, Republic of Korea
Donghwan Kim: Department of Materials and Engineering, Korea University, Seoul 02841, Republic of Korea
Yoonmook Kang: Graduate School of Energy and Environment (KU-KIST Green School), Korea University, Seoul 02841, Republic of Korea

Energies, 2023, vol. 16, issue 11, 1-20

Abstract: Solar energy has gained prominence because of the increasing global attention received by renewable energies. This shift can be attributed to advancements and innovations in solar cell technology, which include developments of various photovoltaic materials, such as thin film and tandem solar cells, in addition to silicon-based solar cells. The latter is the most widely commercialized type of solar cell because of its exceptional durability, long-term stability, and high photoconversion efficiency; consequently, the demand for Si solar cells has been consistently increasing. PV modules are designed for an operation lifespan of 25–30 years, which has led to a gradual increase in the number of end-of-life PV modules. The appropriate management of both end-of-life and prematurely failed PV modules is critical for the recovery and separation of valuable and hazardous materials. Effective methods for end-of-life PV waste management are necessary to minimize their environmental impact and facilitate transition to a more sustainable and circular economy. This paper offers a comprehensive overview of the separation processes for silicon PV modules and summarizes the attempts to design easily recyclable modules for sustainable solar module development. Based on the studies summarized in this paper, suggestions are provided for future research.

Keywords: renewable energy; photovoltaic (PV) module; recycling; silicon solar cell; separation; recovery; environment; waste (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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