The development of new energy vehicles began with the original intention of depleting petrochemical energy and reducing environmental pollution. It is a far-sighted move. However, if the problem of recycling and disposal of used batteries is not solved, resulting in environmental pollution, it will be divorced from the initial development of new energy vehicles. . I have to say that from the current domestic situation, the near worries have already appeared.
Lead-acid batteries were the mainstream of power batteries 13 years ago, and the battery industry is now very different. It is not difficult to find that with the widespread use of electric bicycles, electric vehicles, mobile phones, Ipads and other products, lithium-ion batteries have increased year by year, and mercury-containing batteries have withdrawn from the civilian market. The types and quantities of waste batteries have occurred more than a decade ago. a huge change, environmental risks can not be ignored, such as lead-acid battery recycling process of waste dumped at random acid, spent lithium-ion batteries burst into flames and so on.
Large battery recycling space
Especially the rapid development of new energy vehicles has made the power lithium battery industry develop rapidly. According to the investigation of Phoenix Motors, the warranty period for electric vehicle batteries currently on sale in the market is generally 5-8 years / 10-15 million kilometers. Conventionally, the normal decay life of a battery is also theoretically set at this node. According to the widely circulated saying in the industry, 80% is generally used as a node for attenuating battery capacity and cruising range.
According to expert analysis, by 2018, China's power lithium battery waste recycling market will take shape, the cumulative scrap will exceed 170,000 tons, and the recovery market scale created by recycling metals such as cobalt, nickel, manganese, lithium, iron and aluminum. It will exceed 5.3 billion yuan and will exceed 10 billion yuan by 2020.
According to the China Automotive Technology and Research Center, by 2020, the cumulative scrap of power batteries for pure electric (including plug-in) passenger cars and hybrid passenger cars in China will reach 12-170,000 tons. According to data provided by Wu Feng, a professor of energy and environmental materials at Beijing Institute of Technology, the global waste lithium battery is expected to reach 25 billion in 2020.
"Worry" of waste battery recycling
The market space is large, and the blue ocean is expanding rapidly, which is rare in the world. However, there is no clear responsibility for the recycling of used batteries in China, and the recycling system is also very imperfect. A large number of used batteries flow into informal channels, causing environmental threats. At the same time, informal recycling companies have cost advantages because they do not adopt environmental protection measures, which also makes formal recycling enterprises face the embarrassing situation of insufficient used battery materials.
What is the worry about used batteries? Industry analysts believe that in addition to increasing R & D investment, breaking through the technical bottleneck of waste power battery disposal, and finding a viable path that is both environmentally friendly and economical, we must also focus on the article on recycling:
On the one hand, we must first explore the technical standards for unified batteries, and lay the foundation for large-scale unified recycling in the future; on the other hand, we must introduce policies and regulations to give appropriate subsidies to recycling enterprises while clarifying the main body of battery recycling and related responsibilities. Strengthen supervision of private battery dismantling activities and strictly control the flow of batteries into informal channels.
Zhang Tianren, chairman of Tianneng Group, also proposed that “improving key technologies such as dismantling, reorganizing, testing and life prediction of used lithium batteries, improving technology maturity and safety of production processes, as well as automation level and recycling efficiency. Recycling of power lithium batteries is economically viable and safe.
"In addition to the government's attention, the recycling of used batteries requires the masses to enhance their awareness of environmental protection." Wang Jian, senior engineer of the dispatching center of Sichuan Electric Power Company, believes that the government should vigorously promote the use of newspapers, television and other media to raise the public's recognition of the two sides of the battery. Know, enhance the consciousness of the masses not to throw batteries at random.
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