2018
DOI: 10.21577/0100-4042.20170207
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Lixiviação Ácida De Baterias Íon-Lítio

Abstract: publicado na web em 22/02/2018 ACIDIC LEACHING OF Li-ION BATTERIES. This paper describes a route for recovering cobalt and lithium from spent Li-ion batteries via acidic leaching. Sulfuric, hydrochloric, hydrofluoric and formic acids were used as leachants. Hydrogen peroxide was added as reductant, except for formic acid since it is itself a reductant. Experiments were run at [25][26][27][28][29][30][31][32][33][34][35][36][37][38][39][40] o C for 1-3 h. Under the best optimal conditions, the leaching efficien… Show more

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Cited by 4 publications
(6 citation statements)
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References 22 publications
(70 reference statements)
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“…The extraction order Zn(II) + Fe(II) -Mn(II) -Co(II) under increasing pH found in this work is the same reported in the literature in sulfate (Ritcey and Ashbrook, 1984) and fluoride media (Silva et al, 2018). This result is in line with the weak ligand character of the formate anion (Lurie, 1978).…”
Section: Solvent Extraction Of Zn(ii) Fe(ii) Mn(ii) and Co(ii)supporting
confidence: 91%
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“…The extraction order Zn(II) + Fe(II) -Mn(II) -Co(II) under increasing pH found in this work is the same reported in the literature in sulfate (Ritcey and Ashbrook, 1984) and fluoride media (Silva et al, 2018). This result is in line with the weak ligand character of the formate anion (Lurie, 1978).…”
Section: Solvent Extraction Of Zn(ii) Fe(ii) Mn(ii) and Co(ii)supporting
confidence: 91%
“…The results are shown in Figure 2 and 3 for nickel, lanthanium and iron, the most abundant metals in the electroactive components (Table 1). An increase in the temperature greatly improved leaching of nickel and lanthanium, attaining ~100 wt.% at 40°C after 3 h. A similar effect was observed in some studies involving leaching of Zn-C and Li-ion batteries in the presence of organic acids (Ibiapina et al, 2018;Silva et al, 2018;Musariri et al, 2019). The other REEs behaved as lanthanium.…”
Section: Effects Of Temperature and Timesupporting
confidence: 75%
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“…24 Novas e promissoras aplicações do manganês no setor de energia portátil estão nas pilhas de uso único Li/MnO 2 , 25 e em especial nas baterias de íon-lítio, onde substitui parte do cobalto no catodo LiCoO 2 . 26 O dióxido é utilizado como pigmento cerâmico (fabricação de telhas, tijolos e objetos de tonalidade negra, acinzentada e marrom, de belo efeito decorativo), 8 na manufatura de tintas (acelerador da formação de película da tinta e do verniz) e vidros de coloração verde, rósea ou púrpura.…”
Section: Empregos Do Manganêsunclassified