-Is it feasible to recycle polymer lithium batteries?

Is it feasible to recycle polymer lithium batteries?
author:enerbyte source:本站 click292 Release date: 2023-11-20 09:17:54
abstract:
Is it feasible to recycle polymer lithium-ion batteries? One is that a large number of polymer lithium-ion batteries will reach their retirement period in the coming years. It is expected that in 2015, the cumulative scrap of polymer lithium-ion batteries will be around 20000 to 40000 tons. By...

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Is it feasible to recycle polymer lithium-ion batteries? One is that a large number of polymer lithium-ion batteries will reach their retirement period in the coming years. It is expected that in 2015, the cumulative scrap of polymer lithium-ion batteries will be around 20000 to 40000 tons. By around 2020, the cumulative scrap of polymer lithium-ion batteries for pure electric (including plug-in) passenger cars and hybrid passenger cars in China will reach a scale of 120000 to 170000 tons.

The second is the recyclability of polymer lithium-ion batteries after recycling. The high price of polymer lithium-ion batteries is directly related to the high value of important elements in them. Nowadays, polymer lithium-ion batteries can be divided into two types: nickel hydrogen polymer lithium-ion batteries are important recycling objects for nickel, cobalt, and rare earth elements, and the recycling technology and process have become mature; Copper, aluminum, nickel, and cobalt are important recycling objects in power lithium-ion batteries. At present, among various cathode materials for lithium-ion batteries, the ternary system has the highest recycling value, while lithium iron phosphate and lithium manganese oxide cathode materials have lower recycling value, and the recycling process cost of lithium-ion batteries is relatively high.

The third issue is environmental protection. As polymer lithium-ion batteries, lithium-ion batteries and nickel hydrogen batteries do not contain toxic heavy metal elements such as mercury, cadmium, and lead. However, their positive and negative electrode materials, electrolyte solutions, and other substances still have a significant impact on the environment.

The fourth is economic issues. Unlike current dry batteries, once they meet environmental standards, they no longer need to be recycled because of their low price and low utilization value after recycling. Lithium ion batteries used for polymer lithium-ion batteries are different from nickel hydrogen batteries. For example, power lithium-ion batteries have a lifespan of about 20 years, but are only used for automotive power for 3-5 years. Due to the significant reduction in the range of electric vehicles when their capacity decays below 80% of their initial capacity, these batteries still have significant value in terms of energy storage systems.

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