Microwave Sintering Rapid Synthesis of Nano/Micron β-SiC from Waste Lithium Battery Graphite and Photovoltaic Silicon to Achieve Carbon Reduction

Min Zhao, Qin Chen, Michael Johnson, Abhishek Kumar Awasthi, Qing Huang, Weihua Gu, Chenglong Zhang, Jianfeng Bai, Zhen Tian, Ruyan Li and Jingwei Wang
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Min Zhao: School of Resources & Environmental Engineering, Shanghai Polytechnic University, Jinhai Road No. 2360, Pudong New District, Shanghai 201209, China
Qin Chen: School of Resources & Environmental Engineering, Shanghai Polytechnic University, Jinhai Road No. 2360, Pudong New District, Shanghai 201209, China
Michael Johnson: Department of Electronic & Computer Engineering, University of Limerick, V94 T9PX Limerick, Ireland
Abhishek Kumar Awasthi: School of the Environment, Nanjing University, 163 Xianlin Road, Qixia District, Nanjing 210023, China
Qing Huang: School of Resources & Environmental Engineering, Shanghai Polytechnic University, Jinhai Road No. 2360, Pudong New District, Shanghai 201209, China
Weihua Gu: School of Resources & Environmental Engineering, Shanghai Polytechnic University, Jinhai Road No. 2360, Pudong New District, Shanghai 201209, China
Chenglong Zhang: School of Resources & Environmental Engineering, Shanghai Polytechnic University, Jinhai Road No. 2360, Pudong New District, Shanghai 201209, China
Jianfeng Bai: School of Resources & Environmental Engineering, Shanghai Polytechnic University, Jinhai Road No. 2360, Pudong New District, Shanghai 201209, China
Zhen Tian: School of Resources & Environmental Engineering, Shanghai Polytechnic University, Jinhai Road No. 2360, Pudong New District, Shanghai 201209, China
Ruyan Li: School of Resources & Environmental Engineering, Shanghai Polytechnic University, Jinhai Road No. 2360, Pudong New District, Shanghai 201209, China
Jingwei Wang: School of Resources & Environmental Engineering, Shanghai Polytechnic University, Jinhai Road No. 2360, Pudong New District, Shanghai 201209, China

Sustainability, 2021, vol. 13, issue 21, 1-14

Abstract: The paper describes one promising method and approach for the recycling, reuse, and co-resource treatment of waste photovoltaic silicon and lithium battery anode graphite. Specifically, this work considers the preparation of nano/micron silicon carbide (SiC) from waste resources. Using activated carbon as a microwave susceptor over a very short timeframe, this research paper shows that nano/micron β-SiC can be successfully synthesized using microwave sintering technology. The used sintering temperature is significantly faster and more energy-efficient than traditional processes. The research results show that the β-SiC particle growth morphology greatly affected by the microwave sintering time. In a short microwave sintering time, the morphology of the β-SiC product is in the form of nano/micron clusters. The clusters tended to be regenerated into β-SiC nanorods after appropriately extending the microwave sintering time. In the context of heat conversion and resource saving, the comprehensive CO 2 emission reduction is significantly higher than that of the traditional SiC production method.

Keywords: waste lithium-ion battery; photovoltaic silicon; graphite; SiC; microwave; carbon emission reduction (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
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