Recuperação de cobalto e de lítio de baterias íon-lítio usadas Recovery of cobalt and lithium fromspent Li-ion batteries
<abstract language="eng">The "active mass" (cathode + anode + electrolyte) of spent Li-ion batteries was submitted to one of the following procedures: (a) it was calcined (500 ºC) and submitted to extraction with water to recover lithium salts. The residual solid was treate...
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Sociedade Brasileira de Química
2007-08-01
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doaj-07b69aa1709743909eaa6cd7cf753afc2020-11-25T00:06:19ZengSociedade Brasileira de QuímicaQuímica Nova0100-40421678-70642007-08-01304995100010.1590/S0100-40422007000400040Recuperação de cobalto e de lítio de baterias íon-lítio usadas Recovery of cobalt and lithium fromspent Li-ion batteriesNatália Giovanini BusnardoJéssica Frontino PaulinoJulio Carlos Afonso<abstract language="eng">The "active mass" (cathode + anode + electrolyte) of spent Li-ion batteries was submitted to one of the following procedures: (a) it was calcined (500 ºC) and submitted to extraction with water to recover lithium salts. The residual solid was treated with sulfuric acid containing hydrogen peroxide. Cobalt was recovered as sulfate; (b) the "active mass" was treated with potassium hydrogen sulfate (500 ºC) and dissolved in water. Cobalt was precipitated together with copper after addition of sodium hydroxide. Lithium was partially recovered as lithium fluoride. Co-processing of other battery components (aluminum and copper foils) affected negatively the behavior of the recovery procedures. Previous segregation of battery components is essential for an efficient and economical processing of the "active mass".http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422007000400040spent Li-ion batteriesmetal recoverycobalt |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Natália Giovanini Busnardo Jéssica Frontino Paulino Julio Carlos Afonso |
spellingShingle |
Natália Giovanini Busnardo Jéssica Frontino Paulino Julio Carlos Afonso Recuperação de cobalto e de lítio de baterias íon-lítio usadas Recovery of cobalt and lithium fromspent Li-ion batteries Química Nova spent Li-ion batteries metal recovery cobalt |
author_facet |
Natália Giovanini Busnardo Jéssica Frontino Paulino Julio Carlos Afonso |
author_sort |
Natália Giovanini Busnardo |
title |
Recuperação de cobalto e de lítio de baterias íon-lítio usadas Recovery of cobalt and lithium fromspent Li-ion batteries |
title_short |
Recuperação de cobalto e de lítio de baterias íon-lítio usadas Recovery of cobalt and lithium fromspent Li-ion batteries |
title_full |
Recuperação de cobalto e de lítio de baterias íon-lítio usadas Recovery of cobalt and lithium fromspent Li-ion batteries |
title_fullStr |
Recuperação de cobalto e de lítio de baterias íon-lítio usadas Recovery of cobalt and lithium fromspent Li-ion batteries |
title_full_unstemmed |
Recuperação de cobalto e de lítio de baterias íon-lítio usadas Recovery of cobalt and lithium fromspent Li-ion batteries |
title_sort |
recuperação de cobalto e de lítio de baterias íon-lítio usadas recovery of cobalt and lithium fromspent li-ion batteries |
publisher |
Sociedade Brasileira de Química |
series |
Química Nova |
issn |
0100-4042 1678-7064 |
publishDate |
2007-08-01 |
description |
<abstract language="eng">The "active mass" (cathode + anode + electrolyte) of spent Li-ion batteries was submitted to one of the following procedures: (a) it was calcined (500 ºC) and submitted to extraction with water to recover lithium salts. The residual solid was treated with sulfuric acid containing hydrogen peroxide. Cobalt was recovered as sulfate; (b) the "active mass" was treated with potassium hydrogen sulfate (500 ºC) and dissolved in water. Cobalt was precipitated together with copper after addition of sodium hydroxide. Lithium was partially recovered as lithium fluoride. Co-processing of other battery components (aluminum and copper foils) affected negatively the behavior of the recovery procedures. Previous segregation of battery components is essential for an efficient and economical processing of the "active mass". |
topic |
spent Li-ion batteries metal recovery cobalt |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422007000400040 |
work_keys_str_mv |
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