On April 21st, at the "2018 China New Energy Power Battery and Energy Storage Industry Conference", many experts and scholars focused on the high-quality development of the power battery industry, and focused on the safety, key technologies and ecological industries chain of power batteries, shared their opinions in various fields Shunda Liu, former chairman of the Board of Supervisors of State-owned Key Enterprises of the State Council, pointed out the "methodology" of developing the power battery industry from a macro perspective.