Hydrometallurgical Treatment of Spent Lithium-Ion Batteries: A study of optimal conditions for the leaching

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dc.contributor.authorWendy, Zhou
dc.contributor.departmentChalmers tekniska högskola / Institutionen för kemi och kemitekniksv
dc.contributor.departmentChalmers University of Technology / Department of Chemistry and Chemical Engineeringen
dc.date.accessioned2019-07-03T14:58:57Z
dc.date.available2019-07-03T14:58:57Z
dc.date.issued2018
dc.description.abstractThe interest of recycling lithium-ion batteries to recover valuable metals has traditionally been focused on economic benefit. Nowadays, the interest has shifted towards a more global perspective on waste disposal because of issues from both environmental impacts and resource supply. The current recycling processes are designed to operate with small lithium-ion batteries from portable electronic devices [1], and do not satisfy the new requirement in environment and recycling efficiency for larger, more advanced lithium-ion batteries from electric vehicles and plug-in hybrid electric vehicles. Therefore, recycling processes must be developed to accommodate an increasing amount of vehicle lithium-ion batteries, that are expected to enter the waste stream in the near future. Leaching is an essential step for effective recovery of metals from spent lithium-ion batteries during hydrometallurgical treatment. The objective of the present work was to determine the optimal leaching conditions for recovery of metals from spent lithium-ion batteries. The leaching was carried out by using hydrochloric acid. Effects of different concentrations, temperatures, reaction times and solid-to-liquid ratios were examined. With optimal leaching conditions found to be 1 M hydrochloric acid, 60 min leaching time, at 40oC with solid to liquid ratio of 1/20 g/ml.
dc.identifier.urihttps://hdl.handle.net/20.500.12380/256504
dc.language.isoeng
dc.setspec.uppsokPhysicsChemistryMaths
dc.subjectKemi
dc.subjectKemiteknik
dc.subjectChemical Sciences
dc.subjectChemical Engineering
dc.titleHydrometallurgical Treatment of Spent Lithium-Ion Batteries: A study of optimal conditions for the leaching
dc.type.degreeExamensarbete på grundnivåsv
dc.type.uppsokM
local.programmeKemiteknik 180 hp (högskoleingenjör)
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