From：CTECHI GROUP Limited Release time：2019-01-11
Overview：According to reports, data released by the Electric Power Research Institute show that manufacturers are removing valuable elements from batteries that are worth recycling as they reduce the cost of producing lithium-ion batteries as much as possible. But it also makes recycling more difficult and less cost-effective.
According to reports, data released by the Electric Power Research Institute show that manufacturers are removing valuable elements from batteries that are worth recycling as they reduce the cost of producing lithium-ion batteries as much as possible. But it also makes recycling more difficult and less cost-effective.
At the end of last year, the American Electric Power Research Institute released a report assessing the "end-of-life" cost of batteries. Last week, Ben Kaun, the agency's energy storage project manager, told the Illinois Business Council that a lack of recycling would increase the "end-of-life" cost of lithium-ion batteries. Currently, in lead acid, I think 98% of the materials can be recycled and converted into new lead-acid batteries. This is almost a completely closed cycle system, and lithium ion is not. The content of high-value materials is different. At present, many innovations in lithium-ion batteries are actually aimed at removing the remaining high-value materials (such as cobalt) from the system.
According to the Royal Chemistry Society, the cost of cobalt jumped from $32,500 in early 2017 to $81,000 in March. Cobalt is the cathode material of batteries. Battery manufacturers have redesigned batteries to reduce cobalt content. In May, Elon Musk, Tesla's chief executive, said the company had almost eliminated cobalt from batteries used in cars and fixed batteries. This makes batteries cheaper, but may also be too cheap to recycle.
Cohen said that without valuable recycling materials, recyclers would not have the power to recycle used batteries. "Lithium-ion batteries have not yet developed the same recycling infrastructure as lead-acid batteries," he said. Here's an important question to study, and how recycling infrastructure will emerge. Part of the problem is expanding the scale of recycling. The other part is understanding the motivation for infrastructure development and how you can upgrade or at least maintain high-quality battery materials that can be remanufactured like lead acid.
In the absence of a recycling market, battery owners even have to pay for disposal costs rather than get incentives for recycling. But scholars are studying this issue, including Yan Wang, a professor at Worcester Institute of Technology in Massachusetts and founder of Batteryresourcescers, one of the nine recycling companies listed on the EPRI website. "At present, most lithium-ion batteries are sent to landfills," he said. If they are reused, only the metal in the battery can be recycled.
Battery Resources has developed a process for recycling cathode materials, including cobalt, aluminium, copper, plastics, graphite, methanol and other chemicals used in the recycling process, Wang said. We need to produce these batteries at a low enough cost, which will make it more meaningful for battery manufacturers to buy recycled materials instead of mining new materials.
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