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In recent years, with the rapid development of new energy auto industry, the dynamic lithium-ion battery industry has also positively expanded, and there is a growing problem behind the expansion - how is the power lithium-ion battery recycled? According to estimates, 2018 motivation Lithium-ion battery will enter large scale scrap period. In 2016, my country's new energy vehicle sales reached 517,000, 2017 market sales expected 70-800,000 vehicles. According to the use of the power lithium ion battery 5 to 8 years, in 2020, my country's automobile power lithium-ion battery accumulated waste will reach 200,000 tons, with the promotion of new energy vehicles, the power recovery pressure will also be More.
At the end of the "my country Electric Vehicle Power Lithium Ion Battery Series Technology Salon", the National 863 Electric Vehicle Major Special Power Lithium Ion Battery Testing Center Wang Zi Winter Tonghua Electric China.com describes the difficulty of recycling of dynamic lithium-ion battery. "Due to the recycling company's recycled battery form, size, specifications, packages, etc.
, it is difficult to achieve large-scale batch dismantling. Express. Prince Dong believes that realization of scale dismantling is one of the low-cost tradder.
He said that the dynamic lithium-ion battery can be used in theory to carry out the tradder, but there is no successful case, the problem is in the product structure design of the power lithium-ion battery. Waste car power lithium-ion battery is important to battery packs and modules. Since the current recycling technical conditions are not yet mature, research on recovery treatment is still in its infancy, so when processing dismantling dynamic lithium ion battery packs and modules, the battery monomer can be separated by cutting, but in this process It is very easy to cause self-ignition or even explosion of batteries, and have a major murder to personnel and equipment safety.
"Franc"! Simple two words, is the talk content of Taiwan's technical personnel's technical personnel's technical personnel left, the deepest word of my country's network. According to relevant personnel, Taiwan plastic batteries are based on lithium iron phosphate ion batteries, with relevant certification, can landfill treatment. The lack of recycling technology causes the industry to deal with lithium-ion batteries, especially the lithium iron phosphate ion battery, and only smash, landfill.
In communicating with the company, China's my country network learned that many domestic companies are in the same way in lithium battery. Double Group technical personnel said that the current double also attempts to recover lithium-ion batteries. The recovered battery needs to be disassembled, screening, etc.
The artificial fee, purchase fees, and restructuring fees are compressed by the compressed company's profitable space. In the face of huge workload, the company has some powerful. Compared to the simple treatment of lithium iron phosphate ion batteries, the method of the three-dimensional ion battery is slightly diversely.
Treatment method of EU lithium-ion battery recovery: fire method metallurgy-wet separation purification, pyrolysis-wet purification, crushing - pyrolysis - distillation - fire mitallurgy, etc., by the above method, the recovery of cobalt, nickel, Copper, zinc, mercury, etc., and use it as a raw material multiple times.
Domestic numerous lithium-electric recovery companies use roast (pyrolysis) pretreatment - mechanical dismantling, physical sorting - wet smelting process for recovery treatment. On a global scale, major companies regarding the recovery of the ternary batteries are according to different materials, choose different processing methods. And which method is recycled, what material must be recovered, the recovery rate does not have a clear treatment standard.
According to the battery, China's my country network, currently my country's lithium-electric recycling is generally dominated by lithium battery. Since the company is fully understood by the battery, it is also better to recover the battery. However, the recovery process technology of the waste battery is complicated, the process is relatively long, and there is no mature dismantling equipment in the industry, so the dynamic lithium-ion battery scale is still a certain bottleneck.
Taking Taishuang materials as an example, it screened the recovered lithium iron phosphate ion battery, and the battery could not be used to end the "process" in the form of "landfill", which can be installed in Taiwan's self-produced cleaning. Machine or solar cell. But in general, the profit margin of the ladder is not obvious.
Prince winter analysis, in the manufacturing process, many companies use laser welding and other processes to connect the battery in order to improve the battery of the battery pack, and firmly secure the battery. Although the battery pack reliability is improved, the difficulty of adding battery ladder is added. When the dismantling process is cumbersome, it also hinders the re-use of the waste power lithium-ion battery.
Within a global scale, the recycling of power lithium-ion batteries has just started, but due to the rapid development of new energy automotive industries, the recycling work is already at a critical juncture. Battery my country Network believes that in order to better achieve the "low pollution, low energy" recycling and ladder utilization, the dynamic lithium-ion battery production company should have forward-looking in battery product structure, easy to renewal And screening, and should be more effort in battery materials, and reduce the adverse effects caused in the environment during the later dismantling process.
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