Environmentally Friendly Process for Battery Recycling

  • Magazine Article
  • TBMG-35796
Published January 01, 2020 by Tech Briefs Media Group in United States
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  • English

An environmentally friendly deep eutectic solvent was used to extract valuable elements from the metal oxides commonly used as cathodes in lithium-ion batteries. The solvent, made of commodity products choline chloride and ethylene glycol, extracted more than 90 percent of cobalt from powdered compounds and a smaller but still significant amount from used batteries.