EP 4041926 A1 20220817 - METHOD FOR RECYCLING LI-ION BATTERIES
Title (en)
METHOD FOR RECYCLING LI-ION BATTERIES
Title (de)
VERFAHREN ZUM WIEDERVERWERTEN VON LI-IONEN-BATTERIEN
Title (fr)
PROCEDE DE RECYCLAGE DES BATTERIES LI-ION
Publication
Application
Priority
- FR 1911251 A 20191010
- FR 2020051737 W 20201005
Abstract (en)
[origin: CA3156827A1] Disclosed is a method for recycling a battery comprising the following steps: a) dissolving a piece of battery waste, for example an electrode, comprising lithium and a metal chosen from cobalt and manganese, whereby a solution to be treated containing lithium ions and ions of the metal is formed; b) adding a peroxomonosulfate salt to the solution to be treated, the solution to be treated being regulated at a pH of between 1 and 4 when the metal is cobalt or at a pH of between 0.1 and 2.5 when the metal is manganese, whereby the ions of the metal are selectively precipitated in the form of metal oxyhydroxide; and c) separating the lithium ions from the solution to be treated. Advantageously, the solution also comprises nickel ions.
IPC 8 full level
C22B 3/44 (2006.01); C22B 3/00 (2006.01); C22B 7/00 (2006.01); C22B 26/12 (2006.01); C22B 47/00 (2006.01)
CPC (source: CN EP KR US)
C22B 3/44 (2013.01 - EP KR); C22B 7/006 (2013.01 - CN US); C22B 7/007 (2013.01 - EP KR); C22B 23/0461 (2013.01 - CN EP KR US); C22B 26/12 (2013.01 - CN EP KR US); C22B 47/00 (2013.01 - CN EP KR US); H01M 10/54 (2013.01 - CN US); Y02P 10/20 (2015.11 - EP); Y02W 30/84 (2015.05 - EP)
Citation (search report)
See references of WO 2021069822A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
FR 3102008 A1 20210416; FR 3102008 B1 20210924; CA 3156827 A1 20210415; CN 114585756 A 20220603; EP 4041926 A1 20220817; JP 2022552492 A 20221216; KR 20220079922 A 20220614; US 2022411896 A1 20221229; WO 2021069822 A1 20210415
DOCDB simple family (application)
FR 1911251 A 20191010; CA 3156827 A 20201005; CN 202080071531 A 20201005; EP 20796631 A 20201005; FR 2020051737 W 20201005; JP 2022521458 A 20201005; KR 20227015318 A 20201005; US 202017754586 A 20201005