902030 polymer battery.Strengthen the research and development of advanced lithium battery recycling technologies

　　"Now that electric vehicles are developing so fast, the issue of lithium battery recycling has been put on the agenda." On March 5, the "Power Lithium Battery Recycling" decision-making consultation salon jointly sponsored by the Beijing Association for Science and Technology and the Documentation and Information Center of the Chinese Academy of Sciences was held in Beijing Greenland Center held. Fei Weiyang, academician of the Chinese Academy of Sciences and professor of the Department of Chemical Engineering of Tsinghua University, pointed out that power lithium battery recycling is related to environmental pollution and must be paid high attention at the national level.

　　Fei Weiyang said that the key technologies of "pure electric drive" have made rapid progress in recent years, and the core technology of electric vehicles represented by lithium-ion power batteries has made major breakthroughs. However, the large-scale application of lithium batteries will also lead to the production of a huge number of retired lithium-ion batteries. . "Discarding retired lithium batteries at will not only causes environmental pollution, but also causes a waste of resources, which is unsustainable development."

　　"From the perspective of recycling battery materials, what we are doing now is relatively extensive." Fei Weiyang gave an example. There are many recycling companies now, which are small in scale and have very simple recycling methods, resulting in low effective resource recovery rate and serious pollution. . Therefore, it is necessary to strengthen the research and development of advanced lithium battery recycling technologies to achieve safe and efficient dismantling and integrated recycling of valuable metals, and to avoid secondary pollution.

　　"Really doing a good job in recycling lithium batteries requires a good combination of chemistry, chemical industry, technology, equipment, control, management and other aspects." He suggested that some large battery factories should take the lead in dismantling different types of lithium batteries. Conduct systematic research on decomposition, extraction and other processes.

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