Among the waste batteries, the most valuable are the products such as cobalt sulfate, nickel sulfate and lithium carbonate that are re-extracted. 

More and more research reports and company layouts show that China has built a battery recycling supply chain, with more than 360 recycling companies active in the market. 

By the end of 2023, China's recycling capacity has increased to 3.3 million tons/year. This is a much larger amount than existing decommissioned power batteries.At the same time, various countries around the world are also laying out their own lithium battery recycling industry.