Prof. Qi Meng is a lecturer at the Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology. He studied for his undergraduate degree in the Department of Mineral Processing, School of Chemical Engineering, Shandong University of Science and Technology, from September 2008 to June 2012, and obtained his bachelor's degree. From September 2012 to June 2015, he studied for his master's degree in the Department of Mineral Processing, School of Land Resources Engineering, Kunming University of Science and Technology, and obtained his doctorate. From September 2015 to June 2018, he studied for his doctorate in the Department of Metallurgy, School of Metallurgy and Energy Engineering, Kunming University of Science and Technology, and obtained his doctorate. During this period, he received the Yunnan Provincial Government Scholarship and other awards. He has been working at the School of Metallurgy and Energy Engineering, Kunming University of Science and Technology, since September 2018. He also works in the National and Local Joint Engineering Laboratory for Lithium-ion Batteries and Materials Preparation Technology and the Yunnan Provincial Key Laboratory of Advanced Battery Materials. His main research direction is the preparation and recycling of lithium battery materials.