A team from the Beijing University of Chemical Technology has used a formic acid-hydrogen peroxide system for selective leaching of lithium ions from spent lithium iron phosphate batteries. A paper on their process was published in the Journal of Power Sources. The team achieved optimal leaching conditions by single-factor optimization: formic acid concentration of 0.8 mol/L, solid–liquid ratio of 50 g/L, initial hydrogen peroxide volume fraction of 8%, temperature of, Read More
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