Research fellow from Institute of Physics, Chinese Academy of Sciences (CAS), winner of national outstanding youth fund Hong Li is invited by IMEE and made a great academic presentation titled “The way to enhance the energy density of batteries”. This great event is co-chaired by professor Xiangxin Guo, School of Physics and professor Hongliang Li, IMEE, QDU and attracted dozens of scientific workers in related research field. The presentation lasts for over one hour and the history of enhancing the energy density of batteries are thoroughly introduced. Hong Li discussed the influence factors of secondary batteries, key issues from the point views of thermodynamics and kinetics. Hong Li’s great insight into this field and profound knowledge won unstoppable applause and was appreciated by the audience.