[raw material prices rise, lithium electrification of electric light vehicles meets challenges? The transition period of the "new national standard" in many places will end in 2022-2023, and according to institutional analysis, the demand for larger replacement may begin to be released intensively from 2022, which will promote the rapid growth of demand for lithium batteries for electric bicycles. As the largest owner of electric bicycles in the world, the number of electric bicycles in China has exceeded 350 million, and the annual sales in recent years has been maintained at about 30 million.