Method for efficiently extracting nickel, cobalt, manganese and lithium metals from waste batteries
The invention discloses a method for efficiently extracting nickel, cobalt, manganese and lithium metals from waste batteries, which comprises the following steps: adding a mixture of ternary battery powder and TBP-HNO3-H2O2 into a supercritical extraction kettle, introducing carbon dioxide into the...
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| creator | LUO YUEHONG LIU HAO |
| description | The invention discloses a method for efficiently extracting nickel, cobalt, manganese and lithium metals from waste batteries, which comprises the following steps: adding a mixture of ternary battery powder and TBP-HNO3-H2O2 into a supercritical extraction kettle, introducing carbon dioxide into the extraction kettle, adjusting the pressure and temperature to enable the carbon dioxide to reach a supercritical state, and fully contacting the carbon dioxide with the ternary battery powder, static extraction is kept for 10-20 min, and then dynamic supercritical extraction is carried out. According to the method for efficiently extracting the nickel, cobalt, manganese and lithium metals of the waste batteries, the nickel, cobalt, manganese and lithium metals are directly extracted from the ternary battery powder by adopting an extraction method in which supercritical carbon dioxide cooperates with the composite solvent; the extraction efficiency of Li, Ni, Mn and Co can be improved, and most of Ni, Co, Mn and Li |
| format | Patent |
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According to the method for efficiently extracting the nickel, cobalt, manganese and lithium metals of the waste batteries, the nickel, cobalt, manganese and lithium metals are directly extracted from the ternary battery powder by adopting an extraction method in which supercritical carbon dioxide cooperates with the composite solvent; the extraction efficiency of Li, Ni, Mn and Co can be improved, and most of Ni, Co, Mn and Li</description><language>chi ; eng</language><subject>BASIC ELECTRIC ELEMENTS ; CHEMISTRY ; ELECTRICITY ; FERROUS OR NON-FERROUS ALLOYS ; METALLURGY ; PRETREATMENT OF RAW MATERIALS ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY ; PRODUCTION AND REFINING OF METALS ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20231219&DB=EPODOC&CC=CN&NR=117254150A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20231219&DB=EPODOC&CC=CN&NR=117254150A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LUO YUEHONG</creatorcontrib><creatorcontrib>LIU HAO</creatorcontrib><title>Method for efficiently extracting nickel, cobalt, manganese and lithium metals from waste batteries</title><description>The invention discloses a method for efficiently extracting nickel, cobalt, manganese and lithium metals from waste batteries, which comprises the following steps: adding a mixture of ternary battery powder and TBP-HNO3-H2O2 into a supercritical extraction kettle, introducing carbon dioxide into the extraction kettle, adjusting the pressure and temperature to enable the carbon dioxide to reach a supercritical state, and fully contacting the carbon dioxide with the ternary battery powder, static extraction is kept for 10-20 min, and then dynamic supercritical extraction is carried out. 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According to the method for efficiently extracting the nickel, cobalt, manganese and lithium metals of the waste batteries, the nickel, cobalt, manganese and lithium metals are directly extracted from the ternary battery powder by adopting an extraction method in which supercritical carbon dioxide cooperates with the composite solvent; the extraction efficiency of Li, Ni, Mn and Co can be improved, and most of Ni, Co, Mn and Li</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRICITY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Method for efficiently extracting nickel, cobalt, manganese and lithium metals from waste batteries |
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