Research on dual-channel recycling strategy and policy recommendations of spent power battery

Kai Cai is a doctoral candidate at Institute for Grey System Studies and College of Economics and Management, Nanjing University of Aeronautics and Astronautics. His main fields including grey system theory and reverse logistics.

Jing Zeng has completed her Ph.D. with Institute for Grey System Studies and College of Economics and Management, Nanjing University of Aeronautics and Astronautics. She will join China Jiliang University as an assistant professor. Her main fields include grey system theory and reverse logistics.

Sifeng Liu received his Ph.D. from Huazhong University of Science and Technology. He is a distinguished professor at Northwestern Polytechnical University. He was awarded the Marie Curie International Incoming Fellowship of the European Union in 2013 and national leading talents of China in 2020, and he was elected as an Honorary Fellow of WOSC in 2007.

Prof. Liu is serving as the founding director of Center for Grey Systems Studies at NPU, the founding president of International Association of Grey Systems and Uncertainty Analysis, the founding president of Grey System Society of China. Prof. Liu is also serving as the founding Editor of Grey Systems-Theory and Application (Emerald) and the Editor-in-Chief of The Journal of Grey Systems (Research Information), at the same time, he is currently serving as the editor of Series on Grey System in Chinese (by Science Press) and in English (by Springer-Nature) respectively. He was the founding director of Institute for Grey Systems Studies at NUAA from 2000 to 2023.

Prof. Liu has won several accolades such as the “National Excellent Scientist”, “National Excellent Teacher”, “National Advanced Individual for Returnee” and the Famous Professor of China, etc. In 2017, Professor Sifeng Liu had been selected to be one of the top 10 shortlisted promising scientists in the MSCA 2017 Prizes award. In 2023, he was awarded the “Global Excellence Award” by the Pakistan Grey System Society. He was listed in the Top 2% scientists of the world by the research team at Stanford University. He was ranked first in the list of highly cited authors in the field of system science by Baidu Scholar. In 2024, he was selected as one of the top 0.05% Highly Ranked Scholar-Lifetime in Systems Theory by Scholar GPS. His publications have been cited 51850 times with an H-Index of 96 in Huezhi Scholar.

Yingjie Yang is currently a full professor in Computational Intelligence at Institute of Artificial Intelligence of DMU, UK. He received two Ph.D. degrees both in engineering from Northeastern University, China, in 1994 and in computer science at Loughborough University, UK, in 2008, respectively. He has been involved in over 15 research projects with total fund value exceeding £1 million from various funding sources including EU FP6, EU FP7, ESA, RS, EPSRC, RAE and Leverhulme Trust and published over 120 papers on grey systems, fuzzy sets, rough sets, neural networks and their applications. Dr Yang is the executive president of IAGSUA. He is serving as associate editor in five international academic journals, including GS and JGS.