High-performance silicon carbon anodes based on value-added recycling strategy of end-of-life photovoltaic modules

Qijun Liao, Shaoyuan Li, Fengshuo Xi, Zhongqiu Tong, Xiuhua Chen, Xiaohan Wan, Wenhui Ma and Rong Deng

Energy, 2023, vol. 281, issue C

Abstract: The global installed photovoltaic capacity has grown exponentially in recent years, which has produced an overwhelming number of end-of-life photovoltaic (PV) modules, which can be recycled. Researchers at home and abroad are in a degraded utilization state for the recycling of end-of-life photovoltaic modules, and it is urgent to develop new value-added recycling strategies. This work proposes and develops silicon-carbon composite anode materials by using recovered silicon cells from end-of-life PV modules using subsequent impurity leaching removal and graphite integration. The resulting W–Si-rM@G material was used as a lithium-ion battery anode and showed an initial discharge capacity of up to 1770 mA h g−1, maintained a good specific capacity of 913 mA h g−1 after 200 cycles at a current density of 500 mA g−1. An economic analysis confirmed the economic feasibility of silicon material recycling from end-of-life photovoltaic modules. This work provides a new and potential idea for the value-added recycling of end-of-life photovoltaic modules.

Keywords: End-of-life photovoltaic modules; Separation and purification; Value-added recycling; Ball milling; Lithium battery anode; Silicon carbon composite (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:281:y:2023:i:c:s0360544223017395

DOI: 10.1016/j.energy.2023.128345

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