Il recupero delle batterie al Litio: global policy


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Last Updated 7 Agosto 2018
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  • La novità del veicolo elettrico non deve abbagliare rispetto al fatto che l'uso delle batterie al litio è massivo ed esiste da anni, dunque la filiera del riuso, riciclo e smaltimento è ben rodata.

 

  • Recycling of used lithium batteries has primarily focused on extracting active metal cobalt (Co) and lithium (Li). The price of cobalt is higher than the price of others metals. The price of Co and Li has increased due to production of electric and hybrid car. The used Li battery is the source of Li and Co and the optimal way of extract these metals from this waste are important. Hydrometallurgical method is used to recover Co and Li in laboratory scale with 48.8 Wh battery. Calcination on Co, Li and Cu extraction at 700°C was performed to remove organic compounds. Material after calcination was leached in different concentration of HCl and H 2 SO 4 without and with hydrogen peroxide (H 2 O 2) reducing agent. Experiment was conducted on recycling of 48.8 Wh battery and found that the recycling cathode 41 wt% and 8.5 wt% of the cell cathode and anode, which are 48.8% and 23.4% of the cathode and anode cell material price, respectively.

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