The 5th International Conference on Electrochemical Energy Systems (ICEES2024), which lasted for three days, was successfully held in Nanjing from November 8th to 10th, 2024. This conference is organized by Southeast University, International Society for Energy Storage Materials, Shaoxing Institute of New Energy and Molecular Engineering at Shanghai Jiao Tong University, School of Chemistry at Beijing University of Chemical Technology, School of Petroleum and Natural Gas Engineering at Changzhou University, School of Energy, School of Energy Low Carbon Information and Innovation Industry, Jiangsu Ocean University, Sinopec Petrochemical Research Institute Co., Ltd., Guangdong University of Petrochemical Technology, Maoming Green Chemical Research Institute, Xi'an University of Technology Institute of New Energy Science and Technology, School of Physics and Optoelectronic Engineering at Ludong University, Anhui University of Technology, Huainan Normal University, Dongguan University of Technology, School of Chemistry and Materials Engineering at Anhui University of Science and Technology, School of Mechanical and Electrical Engineering at Qingdao University, School of Chemistry and Chemical Engineering at Qiannan Normal University for Nationalities, School of Electrical and Automation at Nantong University, School of Petrochemical Engineering at Lanzhou University of Technology Hosted by the School of Chemistry and Chemical Engineering of Jinggangshan University, Yichun Jiangli Lithium Battery New Energy Industry Research Institute, Jiangxi Lithium Battery New Energy Industry Technology Research Institute, Sichuan University of Light Chemical Technology, School of Chemistry of Xiangtan University, Chuxiong Normal University, Fuyang Normal University, Hunan University of Technology, School of Chemistry and Chemical Engineering of Suzhou University, and Huanghe University of Science and Technology, and undertaken by the School of Energy and Environment of Southeast University, Beijing Institute of Technology Yangtze River Delta Research Institute (Jiaxing), Hunan University of Arts and Sciences, Jiangsu University of Technology, School of Materials Science and Engineering of Changchun University of Technology, and Jiangsu Energy Research Association. More than 800 experts, scholars, entrepreneurs, investors, and other professionals from various fields across the country participated in this conference.

The opening ceremony was presided over by Professor Wu Yuping of Southeast University. Pan Fusheng, a professor of Chongqing University, chairman of Chongqing Association for Science and Technology, and academician of the CAE Member, Professor Ma Zifeng, president of Shaoxing Institute of New Energy and Molecular Engineering of Shanghai Jiaotong University, Professor Xiao Rui, president of School of Energy and Environment of Southeast University, and Professor Ma Tinghuai, vice president of Jiangsu Ocean University attended the opening ceremony and delivered speeches.

Academician Pan Fusheng warmly welcomed the experts, scholars, graduate students, entrepreneurs, and investors attending the conference, and pointed out that electrochemical energy systems, as an important pillar of future energy development, cover two core systems: electrochemical energy storage and energy conversion. It has shown broad application prospects in many cutting-edge fields such as electric vehicles, hydrogen energy, mobile communications, smart energy networks, rail transit, aerospace and military industries, and will play an irreplaceable role in promoting the achievement of the "dual carbon" goal.

Professor Ma Zifeng expresses sincere gratitude to the organizers, organizers, co organizers, guiding units, and expert representatives attending this conference. He pointed out that advanced power batteries, supercapacitors, fuel cells, and many new types of electrochemical energy are constantly emerging in the field of electrochemical energy, and the application of these products ultimately boils down to a system. Systematic communication is possible, and these technological platforms are very important. Therefore, I believe that through the exchange at the International Conference on Electrochemical Energy Systems, we can promote the application of electrochemical energy systems in a wider range of fields.

Professor Xiao Rui stated that the current global new round of technological revolution and industrial transformation is accelerating, and the energy revolution is flourishing. Renewable energy represented by wind, solar, and biomass plays a more prominent role in supporting economic and social development. Vigorously developing electrochemical energy storage systems and electrochemical energy conversion systems to promote efficient utilization of renewable energy has become a strategic consensus and concerted action for global energy transformation.

Professor Ma Yanhuai stated that electrochemical energy is not only a key technology for promoting energy transformation, but also an important lever for achieving national strategic goals and addressing global climate change challenges. With the proposal of the "dual carbon" plan, the position of electrochemical energy has become increasingly prominent. This requires us to seize opportunities, vigorously promote technological innovation and industrial layout, and actively promote the clean, low-carbon, safe and efficient modern energy system. During the opening ceremony, Ming academician of the Chinese Academy of Sciences Shenzhen Advanced Technology Research Institute Chemnitz University of Technology, Academician of the German Academy of Sciences, Prof. Oliver G. Schmidt、 Vice President Lin Wei of Sinopec Petrochemical Research Institute Co., Ltd., Academician Yu Shuhong of Southern University of Science and Technology/University of Science and Technology of China The University of Tokyo,   Prof. Atsuo Yamada、Sungkyunkwan University, Prof. Ho Seok Park, a member of the Korean Academy of Sciences, attended the opening ceremony and delivered a report on the conference.

This conference invited authoritative academicians, renowned experts, and researchers in the field of electrochemistry from home and abroad to gather together and discuss the development and innovation of global electrochemical energy systems from a professional perspective through 12 academic forums, over 350 presentations, 52 wall posters, and other diverse forms.

The 5th International Conference on Electrochemical Energy Systems is the most authoritative and influential academic event in the field of electrochemistry, and has been successfully held for 4 sessions since 2017. This conference focuses on the field of electrochemical energy, explores academic frontiers, and conducts extensive and in-depth discussions and analysis, which is of great significance for promoting the development of China's electrochemical industry. Looking forward to meeting you again next year!