On Nov. 2nd, 2021, Prof. Yong-Mook Kang from Korea University gave an online lecture, entitled "Layered Structure Cathodes: Prejudice, Inverse Concept and New Possibility", at the invitation of the Institute for Energy Research of Jiangsu University. Prof. Jiabiao Lian from Jiangsu University chaired the lecture. The teachers and students from Jiangsu University attended the lecture in the 1501 conference room of the Institute for Energy Research.