CN109449523A - A kind of comprehensive recovering process of waste and old lithium ion battery - Google Patents

A kind of comprehensive recovering process of waste and old lithium ion battery Download PDF

Info

Publication number
CN109449523A
CN109449523A CN201811286786.2A CN201811286786A CN109449523A CN 109449523 A CN109449523 A CN 109449523A CN 201811286786 A CN201811286786 A CN 201811286786A CN 109449523 A CN109449523 A CN 109449523A
Authority
CN
China
Prior art keywords
waste
sulfuric acid
lithium ion
ion battery
organic phases
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811286786.2A
Other languages
Chinese (zh)
Other versions
CN109449523B (en
Inventor
高洁
王光辉
肇巍
王梦
王蒙蒙
谢宇充
徐燕
何霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianqi Lithium Resources Recycling Technology Research And Development (jiangsu) Co Ltd
Original Assignee
Tianqi Lithium Resources Recycling Technology Research And Development (jiangsu) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianqi Lithium Resources Recycling Technology Research And Development (jiangsu) Co Ltd filed Critical Tianqi Lithium Resources Recycling Technology Research And Development (jiangsu) Co Ltd
Priority to CN201811286786.2A priority Critical patent/CN109449523B/en
Publication of CN109449523A publication Critical patent/CN109449523A/en
Application granted granted Critical
Publication of CN109449523B publication Critical patent/CN109449523B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/54Reclaiming serviceable parts of waste accumulators
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00Obtaining nickel or cobalt
    • C22B23/04Obtaining nickel or cobalt by wet processes
    • C22B23/0407Leaching processes
    • C22B23/0415Leaching processes with acids or salt solutions except ammonium salts solutions
    • C22B23/043Sulfurated acids or salts thereof
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B26/00Obtaining alkali, alkaline earth metals or magnesium
    • C22B26/10Obtaining alkali metals
    • C22B26/12Obtaining lithium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/26Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/38Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
    • C22B3/384Pentavalent phosphorus oxyacids, esters thereof
    • C22B3/3842Phosphinic acid, e.g. H2P(O)(OH)
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/26Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/38Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
    • C22B3/384Pentavalent phosphorus oxyacids, esters thereof
    • C22B3/3844Phosphonic acid, e.g. H2P(O)(OH)2
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B47/00Obtaining manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/006Wet processes
    • C22B7/007Wet processes by acid leaching
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/84Recycling of batteries or fuel cells

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The present invention provides a kind of waste and old lithium ion battery comprehensive recovering process, comprising: leaches ternary waste lithium cell battery core powder for the first time with sulfuric acid and potassium permanganate, obtains the first leachate and the first leached mud;With sodium carbonate to the first leachate sinker, lithium carbonate is obtained;The first leached mud is leached with hydrogen peroxide and sulfuric acid selective reduction, obtains the second leachate and the second leached mud;The pH to 4.2-4.5 for adjusting the second leachate extracts the second leachate with P204, obtains P204 raffinate and P204 load organic phases;P204 load organic phases are stripped with sulfuric acid, manganese sulfate is made in evaporative crystallization;The pH value of P204 raffinate is adjusted to 4.5-5, P204 raffinate is extracted with C272, obtains C272 extract liquor and C272 load organic phases;Cobalt sulfate solution is obtained to C727 load organic oppositing back-extraction with sulfuric acid, battery grade cobalt sulfate is made in evaporative crystallization;The pH value for adjusting C272 raffinate is 5-5.5, extracts to obtain P507 load organic phases with P507 to C272 extract liquor, P507 load organic phases are stripped to obtain nickel sulfate solution through sulfuric acid, and evaporative crystallization obtains nickel sulfate.

Description

A kind of comprehensive recovering process of waste and old lithium ion battery
Technical field
The invention belongs to waste and old lithium ion battery comprehensive recovering process, and it is comprehensive to be more particularly to a kind of waste and old lithium ion battery Recovery method.
Background technique
Cobaltous sulfate is mainly used for lithium battery, is in addition also used to plating, ceramic glaze and paint drier, production face containing cobalt Material, catalyst, analytical reagent, feed addictive, tire adhesive and other cobalt products;Nickel sulfate is mainly used for lithium battery, electricity Plating and catalyst industry;Lithium carbonate is mainly used for lithium battery, is also used to prepare catalyst, semiconductor, ceramics, the electricity of chemical reaction Depending on, medicine and atomic energy industry.
In recent years, under the support of national policy, new energy industry is developed rapidly, but the following waste and old lithium Ion battery is scrapped also will be more and more, containing there are many toxic organic solvents and rare metal in waste and old lithium ion battery, if It is not disposed, environment will be caused great harm, so waste and old lithium ion battery comprehensive reutilization is extremely urgent.
According to the difference of extraction process in removal process, the recycling of waste and old lithium ion battery mainly includes dry method and wet Method and bioanalysis.Dry recovery mainly includes mechanical sorting method and high temperature pyrolytic cracking (HTP).It is primarily referred to as not passing through the media such as solution, It is directly realized by the recycling of material or valuable metal.Dry recovery has many advantages, such as that process flow is short, easy to operate;But recycling is directed to Property is not strong.Hydrometallurgic recovery is relayed in solution mainly using acid-base solution as medium, by metal ion from electrode material, is then passed through Chemical precipitation, ion exchange perhaps the means such as extraction by metal ion in the form of metal salt or metal oxide from solution In extract.Wet recycling process Technical comparing is complicated, but recovery rate of valuable metals is high, is that current old and useless battery recycles Prevailing technology.Bioanalysis mainly utilizes the leaching of microorganism, converts soluble compounds for useful constituent in system, obtains valuable The solution of metal, realization target components and impurity composition efficiently separate.Bioanalysis is low with cost recovery, pollution is small, can weigh The advantages that utilizing again, but Period Process is longer, metal recovery rate is low.Although the existing documents such as patent and periodical are open or report Waste and old lithium ion battery method of comprehensive utilization, but process flow is longer, and especially lithium recovery process is longer, and concentration is low, cannot Direct sinker prepares lithium carbonate product.
Patent CN1301337C discloses a kind of method that nickel sulfate is recycled from ni-mh, nickel-cadmium cell.This method is first After ni-mh, nickel-cadmium cell are leached, pH to 4.5-5.0 is adjusted, by P204 abstraction impurity removal, raffinate is nickel sulfate solution.But Research is not made to the extraction and separation of high concentration nickel cobalt manganese.
Based on the technology of existing patent disclosure, it can not achieve and efficiently preferentially mention lithium by raw material of waste and old lithium ion battery, together When prepare nickel cobalt manganese sulfate product technique.
Summary of the invention
The object of the present invention is to provide a kind of simple process, the waste and old lithium ion batteries being easy to realize industrial production to integrate back Receiving method.
According to an aspect of the invention, there is provided a kind of waste and old lithium ion battery comprehensive recovering process, comprising:
Ternary waste lithium cell battery core powder is leached for the first time with sulfuric acid and potassium permanganate, obtains the first leachate and the first leaching It slags tap;
With sodium carbonate to the first leachate sinker, lithium carbonate is obtained;
First leached mud is leached with hydrogen peroxide and sulfuric acid selective reduction, obtains the second leachate and the second leached mud;
The pH to 4.2-4.5 for adjusting second leachate extracts second leachate through 10-15 grades with P204, Obtain P204 raffinate and P204 load organic phases;
The P204 load organic phases are stripped with sulfuric acid, manganese sulfate is made in evaporative crystallization;
The pH value of the P204 raffinate is adjusted to 4.5-5, the P204 raffinate is extracted through 14-18 grades with C272, Obtain C272 extract liquor and C272 load organic phases;
Cobalt sulfate solution is obtained to the C727 load organic oppositing back-extraction with sulfuric acid, battery grade cobalt sulfate is made in evaporative crystallization;
Adjust C272 raffinate pH value be 5-5.5, to the C272 extract liquor with P507 extract P507 load it is organic Phase, the P507 load organic phases are stripped to obtain nickel sulfate solution through sulfuric acid, and evaporative crystallization obtains nickel sulfate.
In some embodiments, the temperature of first leaching step is 50 DEG C -100 DEG C.
In some embodiments, the mass ratio of the potassium permanganate and ternary waste lithium cell battery core powder is 0.2- 1.2:1.
In some embodiments, the extraction time of the ternary waste lithium cell battery core powder is 2h-12h.
In some embodiments, the temperature that the selective reduction is leached is 30 DEG C -100 DEG C.
In some embodiments, used sulphuric acid is reason when carrying out reducing leaching to first leached mud 0.9-1.1 times of stoichiometric, used hydrogen peroxide additional amount is theoretical amount when carrying out reducing leaching to first leached mud 1.1-1.4 again.
In some embodiments, the concentration of the P204 is 20%-35%.
In some embodiments, the P204 load organic phases are selectively stripped with sulfuric acid, the outlet of control manganese sulfate Acidity is 10g/L sulfuric acid.
In some embodiments, the concentration of the C272 is 20%-35%.
In some embodiments, cobalt sulfate solution is stripped to obtain with sulfuric acid to the C727 load organic phases, controls sulfuric acid Cobalt exports pH=3.5.
It has the advantage that: the present invention is by after waste and old lithium ion battery Selectively leaching, leachate passes through sinker, obtains electricity Pond level lithium carbonate;Leached mud is leached by selective reduction, leaches terminal pH control in 4.2-4.5, leachate uses two sections points The technique for evaporating extraction is used as the impurity such as extractant extracting copper, iron, manganese using di-(2-ethylhexyl)phosphoric acid ester (P204) first, When being just stripped, using selective back extraction, pure manganese sulfate solution is obtained, by evaporative crystallization, obtains the production of LITHIUM BATTERY manganese sulfate Product;P204 raffinate extracts cobalt using C272, is stripped, obtains pure cobalt sulfate solution, by evaporative crystallization, obtains electricity Pond grade cobaltous sulfate product;C272 raffinate is pure nickel sulfate solution, by evaporative crystallization, obtains LITHIUM BATTERY nickel sulfate and produces Product.
The present invention is raw material using waste and old lithium ion battery, and selectivity preferentially mentions lithium first, and leached mud uses selectivity also Original leaches, and then uses extracting process, obtains the sulfate of LITHIUM BATTERY nickel cobalt manganese.The engineering process is simple, easily realizes industrialization Production, not only solves the problem of lithium high concentration enriching and recovering, and realize waste and old lithium ion battery harmlessness disposing, valuable Metal obtains effective recycling.Using process conditions provided by the invention and technological parameter, it can be achieved that efficiently preferentially mention lithium and Prepare LITHIUM BATTERY nickel cobalt manganese sulfate product.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of waste and old lithium ion battery comprehensive recovering process of an embodiment of the present invention;
Fig. 2 is a kind of waste and old lithium ion battery comprehensive recovering process old and useless battery at different temperatures of an embodiment of the present invention Leaching effect schematic diagram;
Fig. 3 is that a kind of waste and old lithium ion battery comprehensive recovering process of an embodiment of the present invention is waste and old with ternary in potassium permanganate The leaching effect schematic diagram of lithium battery electric core powder different quality ratio;
Fig. 4 be an embodiment of the present invention a kind of waste and old lithium ion battery comprehensive recovering process under different time old and useless battery Leaching effect schematic diagram.
Specific embodiment
As shown in Figure 1, a kind of waste and old lithium ion battery comprehensive recovering process, comprising: leach three with sulfuric acid and potassium permanganate The first of first waste lithium cell battery core powder is leached, and the first leachate and the first leached mud are obtained.The temperature of first leaching step is 50℃-100℃.The mass ratio of potassium permanganate and ternary waste lithium cell battery core powder is 0.2-1.2:1.Ternary waste lithium cell The extraction time of battery core powder is 2h-12h.With sodium carbonate to the first leachate sinker, lithium carbonate is obtained.It is selected with hydrogen peroxide and sulfuric acid The second of the first leached mud of selecting property reducing leaching is leached, and the second leachate and the second leached mud are obtained.Second temperature leached is 30 ℃-100℃.Used sulphuric acid is 0.9-1.1 times of theoretical amount when carrying out reducing leaching to leached mud, to leaching Slag carries out 1.1-1.4 times that used hydrogen peroxide additional amount when reducing leaching is theoretical amount.Adjust the pH of the second leachate extremely 4.2-4.5 extracts the second leachate through 10-15 grades with P204, obtains P204 raffinate and P204 load organic phases.P204's Concentration is 20%-35%.P204 load organic phases are selectively stripped with sulfuric acid, it is 10g/L sulphur that control manganese sulfate, which goes out mouth acidity, Acid.P204 load organic phases are stripped with sulfuric acid, manganese sulfate is made in evaporative crystallization.The pH value of P204 raffinate is adjusted to 4.5-5, P204 raffinate is extracted through 14-18 grades with C272, obtains C272 extract liquor and C272 load organic phases.The concentration of C272 is 20%-35%.Cobalt sulfate solution is stripped to obtain with sulfuric acid to C727 load organic phases, control cobaltous sulfate exports pH=3.5.Use sulfuric acid Cobalt sulfate solution is obtained to C727 load organic oppositing back-extraction, battery grade cobalt sulfate is made in evaporative crystallization.Adjust the pH of C272 raffinate Value is 5-5.5, extracts to obtain P507 load organic phases with P507 to C272 extract liquor, P507 load organic phases are stripped to obtain sulphur through sulfuric acid Sour nickel solution, evaporative crystallization obtain nickel sulfate.Theoretical amount in the present invention is obtained for the molar ratio according to chemical equation Amount.
In the following, based on following embodiments and the present invention will be described in detail.Following embodiments is of the invention for illustrating Example, the scope of protection of present invention proper right claim is limited, and is not limited to lifted embodiment.
Embodiment one
Ternary waste lithium cell powder 50g is taken, 4mol/L sulfuric acid is added, 10g additive potassium permanganate (KMnO is added4), At 20 °C, after being stirred to react 2h, filtering obtains the mixing of filtrate sulfur acid nickel, cobaltous sulfate, manganese sulfate and lithium sulfate Solution and leached mud, leaching effect are as shown in Figure 1,2 and 3.Filtrate pH ≈ 5.5 is adjusted, is cleaned, it is molten containing lithium to obtain high concentration Liquid carries out sinker technique using sodium carbonate to lithium-containing solution, obtains pure lithium carbonate product.
Leached mud uses sulfuric acid and hydrogen peroxide reducing leaching, and sulfuric acid is 1.1 times of theoretical amount, and hydrogen peroxide is theoretical amount 1.4 Times, under the conditions of 60 DEG C, obtain the sulfur acid nickel of high concentration, the mixed solution of cobaltous sulfate and manganese sulfate, wherein nickel: 65g/L, Cobalt: 25g/L, manganese: 37g/L.Adjust nickel and cobalt containing manganese solution pH ≈ 4.5, use concentration for 30% di-(2-ethylhexyl)phosphoric acid Ester (P204) abstraction impurity removal, extraction series are 14 grades, after nickel soap, are extracted, remove the impurity such as copper, zinc, calcium, magnesium, iron, manganese. P204 raffinate is the sulfuric acid nickel and cobalt solution that 10mg/L is respectively less than containing copper, zinc, calcium, magnesium, iron, iron, manganese, and P204 load is organic Mutually in stripping section, selective back extraction is carried out using 2mol/L sulfuric acid, control manganese sulfate goes out mouth acidity 10g/L sulfuric acid, can get pure Net manganese sulfate solution can get manganese sulfate product by evaporative crystallization.
For P204 extract liquor, pH value ≈ 5 is extracted using 25% double-(2,4,4- trimethyl) amyl phosphonic acids (C272) Cobalt, extraction series are 18 grades, obtain containing copper, zinc, calcium, magnesium, iron, manganese, the equal < 10mg/L of cobalt nickel sulfate solution, C272 is negative Organic phase is carried in stripping section, is stripped using 2mol/l sulfuric acid, control cobaltous sulfate exports pH=3.5, after selectively back extraction, obtains To the solution for containing only cobaltous sulfate, cobalt sulfate solution passes through evaporative crystallization, battery grade cobalt sulfate can be made.
For C272 raffinate, pH ≈ 5.5, extract liquor passes through 2- ethylhexyl phosphoric acid single 2-ethyl hexyl ester (P507) Extraction of nickel, load organic phases obtain the solution for containing only nickel sulfate after back extraction, and by evaporative crystallization, nickel sulfate product is made.
Embodiment two
Ternary waste lithium cell battery core powder 50g is taken, 4mol/L sulfuric acid is added, 30g additive KMnO is added4, at 50 DEG C Under the conditions of, after being stirred to react 4h, filtering obtains the solution and leached mud containing nickel cobalt lithium, and leaching effect is shown in Fig. 1,2 and 3, adjustment Filtrate pH ≈ 5-5.5, cleans, and obtains high concentration lithium-containing solution, then carries out sinker work to lithium-containing solution using sodium carbonate Skill obtains lithium carbonate product.
Leached mud uses sulfuric acid and hydrogen peroxide reducing leaching, and sulfuric acid is 1.05 times of theoretical amount, and hydrogen peroxide is theoretical amount Under the conditions of 1.3 times, 60 DEG C, the lithium-containing solution of high concentration is obtained, wherein nickel: 61.75g/L, cobalt: 23.75g/L, manganese: 35.15g/ L.The pH ≈ 4.5 for adjusting lithium-containing solution, using 30% P204 abstraction impurity removal, extracting series is 12 grades, after nickel soap, is extracted It takes, removes the impurity such as copper, zinc, calcium, magnesium, iron, manganese.P204 raffinate is to be respectively less than 10mg/L containing copper, zinc, calcium, magnesium, iron, manganese Sulfuric acid nickel and cobalt solution.P204 load organic phases carry out selective back extraction in stripping section, using 2mol/L sulfuric acid, control manganese sulfate Mouth acidity 10g/L sulfuric acid out can get pure manganese sulfate solution, by evaporative crystallization, can get manganese sulfate product.
For P204 raffinate, pH ≈ 5 extracts cobalt using 35% C272, and extraction series is 16 grades, obtain containing copper, The nickel sulfate solution of the equal < 10mg/L of zinc, calcium, magnesium, iron, manganese, cobalt, C272 load organic phases are in stripping section, using 2mol/L sulphur Acid back extraction, control cobaltous sulfate export pH=3.5, after selectively back extraction, obtain the solution for containing only cobaltous sulfate, cobalt sulfate solution By evaporative crystallization, battery grade cobalt sulfate can be made.
For C272 raffinate, pH ≈ 5.5, extract liquor passes through P507 extraction of nickel, and load organic phases obtain after back extraction Nickel sulfate product is made by evaporative crystallization in the solution for containing only nickel sulfate.
Embodiment three
Ternary waste lithium cell battery core powder 50g is taken, 4mol/L sulfuric acid is added, additive KMnO is added440g, at 80 DEG C Under the conditions of, after being stirred to react 12h, filtering obtains the solution (leaching effect is shown in Fig. 1,2,3) containing nickel lithium manganese, adjusts filtrate pH ≈ 5-5.5, cleans, and obtains high concentration lithium-containing solution, then carries out sinker technique, obtains lithium carbonate product
Leached mud uses sulfuric acid and hydrogen peroxide reducing leaching, and sulfuric acid is 0.95 times of theoretical amount, and hydrogen peroxide is theoretical amount Under the conditions of 1.1 times, 60 DEG C, the solution of the nickel and cobalt containing manganese of high concentration is obtained, nickel: 55.25g/L, cobalt: 21.25g/L, manganese: 31.45g/L adjusts pH value of solution ≈ 4.5, and after nickel soap, using 25%P204 abstraction impurity removal, extracting series is 12 grades, remove copper, The impurity such as zinc, calcium, magnesium, iron, manganese, P204 raffinate are the sulfuric acid nickel cobalt that 10mg/L is respectively less than containing copper, zinc, calcium, magnesium, iron, manganese Solution, P204 load organic phases carry out selective back extraction in stripping section, using 2mol/L sulfuric acid, and control manganese sulfate goes out mouth acidity 10g/L sulfuric acid can get pure manganese sulfate solution, by evaporative crystallization, can get manganese sulfate product.
For P204 raffinate, pH ≈ 5 extracts cobalt using 25%C272, and extraction series is 14 grades, obtain containing copper, zinc, The nickel sulfate solution of the equal < 10mg/L of calcium, magnesium, iron, manganese, cobalt, C272 load organic phases are anti-using 2mol/L sulfuric acid in stripping section Extraction, control cobaltous sulfate exports pH=3.5, after selectively back extraction, obtains the solution for containing only cobaltous sulfate, cobalt sulfate solution passes through Battery grade cobalt sulfate can be made in evaporative crystallization.
For C272 raffinate, pH ≈ 5.5, extract liquor passes through P507 extraction of nickel, and load organic phases obtain after back extraction Nickel sulfate product is made by evaporative crystallization in the solution for containing only nickel sulfate.
Case study on implementation four
Ternary waste lithium cell battery core powder 50g is taken, 4mol/L sulfuric acid is added, additive KMnO is added460g, at 90 DEG C Under the conditions of, after being stirred to react 8h, filtering obtains the solution (leaching effect is shown in Fig. 1,2,3) containing lithium, adjusts filtrate pH ≈ 5- 5.5, it cleans, obtains high concentration lithium-containing solution, then carry out sinker technique, obtain lithium carbonate product.
Leached mud uses sulfuric acid and hydrogen peroxide reducing leaching, and sulfuric acid is 1.05 times of theoretical amount, and hydrogen peroxide is theoretical amount Under the conditions of 1.3 times, 60 DEG C, the solution of the nickel and cobalt containing manganese of high concentration is obtained, nickel: 55.25g/L, cobalt: 20g/L, manganese: 31.45g/ L adjusts pH value of solution ≈ 4.5, and after nickel soap, using 20%P204 abstraction impurity removal, extracting series is 10 grades, remove copper, zinc, calcium, magnesium, The impurity such as iron, manganese, P204 raffinate are the sulfuric acid nickel and cobalt solution that 10mg/L is respectively less than containing copper, zinc, calcium, magnesium, iron, manganese, P204 Load organic phases carry out selective back extraction in stripping section, using 2mol/L sulfuric acid, and control manganese sulfate goes out mouth acidity 10g/l sulfuric acid, It can get pure manganese sulfate solution, by evaporative crystallization, can get manganese sulfate product.
For P204 raffinate, pH ≈ 5 extracts cobalt using 20%C272, and extraction series is 16 grades, obtain containing copper, zinc, The nickel sulfate solution of the equal < 10mg/L of calcium, magnesium, iron, manganese, cobalt, C272 load organic phases are anti-using 2mol/L sulfuric acid in stripping section Extraction, control cobaltous sulfate exports pH=3.5, after selectively back extraction, obtains the solution for containing only cobaltous sulfate, cobalt sulfate solution passes through Battery grade cobalt sulfate can be made in evaporative crystallization.
For C272 raffinate, pH ≈ 5.5, extract liquor passes through P507 extraction of nickel, and load organic phases obtain after back extraction Nickel sulfate product is made by evaporative crystallization in the solution for containing only nickel sulfate.
Case study on implementation five
Ternary waste lithium cell battery core powder 50g is taken, 4mol/L sulfuric acid is added, additive KMnO is added450g, 100 Under the conditions of DEG C, after being stirred to react 8h, filtering obtains the solution (leaching effect is shown in Fig. 1,2,3) containing lithium, adjusts filtrate pH ≈ 5-5.5 cleans, and obtains high concentration lithium-containing solution, then carries out sinker technique, obtains lithium carbonate product.
Leached mud uses sulfuric acid and hydrogen peroxide reducing leaching, and sulfuric acid is 0.9 times of theoretical amount, and hydrogen peroxide is theoretical amount Under the conditions of 1.1 times, 60 DEG C, the solution of the nickel and cobalt containing manganese of high concentration is obtained, nickel: 48.75g/L, cobalt: 18.75g/L, manganese: 27.75g/L adjusts pH value of solution ≈ 4.5, and after nickel soap, using 20%P204 abstraction impurity removal, extracting series is 10 grades, remove copper, The impurity such as zinc, calcium, magnesium, iron, manganese, P204 raffinate are the sulfuric acid nickel cobalt that 10mg/L is respectively less than containing copper, zinc, calcium, magnesium, iron, manganese Solution, P204 load organic phases carry out selective back extraction in stripping section, using 2mol/L sulfuric acid, and control manganese sulfate goes out mouth acidity 10g/L sulfuric acid can get pure manganese sulfate solution, by evaporative crystallization, can get manganese sulfate product.
For P204 raffinate, pH ≈ 5 extracts cobalt using 20%C272, and extraction series is 14 grades, obtain containing copper, zinc, The nickel sulfate solution of the equal < 10mg/L of calcium, magnesium, iron, manganese, cobalt, C272 load organic phases are anti-using 2mol/L sulfuric acid in stripping section Extraction, control cobaltous sulfate exports pH=3.5, after selectively back extraction, obtains the solution for containing only cobaltous sulfate, cobalt sulfate solution passes through Battery grade cobalt sulfate can be made in evaporative crystallization.
For C272 raffinate, pH ≈ 5.5, extract liquor passes through P507 extraction of nickel, and load organic phases obtain after back extraction Nickel sulfate product is made by evaporative crystallization in the solution for containing only nickel sulfate.
Embodiment six
Ternary waste lithium cell battery core powder 50g is taken, 4mol/L sulfuric acid is added, 20g additive potassium permanganate is added (KMnO4), respectively under conditions of 20 DEG C, 50 DEG C, 80 DEG C, 90 DEG C and 100 DEG C, after being stirred to react 12h, filtering is leached Slag and leachate.Leaching effect is as shown in Fig. 2, as shown in Figure 2, under conditions of 20-100 DEG C, nickel cobalt manganese lithium all has preferably Leaching rate, better effect under conditions of 80-100 DEG C.
Embodiment seven
Take ternary waste lithium cell battery core powder 50g, 4mol/L sulfuric acid be added, be separately added into 10g, 20g, 30g, 40g and Additive potassium permanganate (the KMnO of 50g4), under conditions of 100 DEG C, it is stirred to react 12h, filters, obtains leached mud and leaching Liquid.Leaching effect is as shown in figure 3, from the figure 3, it may be seen that the mass ratio in potassium permanganate and ternary waste lithium cell battery core powder is Under conditions of 0.2-1.2:1, nickel cobalt manganese lithium all has preferable leaching rate.
Embodiment eight
Ternary waste lithium cell battery core powder 50g is taken, 4mol/L sulfuric acid is added, 20g additive potassium permanganate is added (KMnO4), under conditions of 100 DEG C, the time being stirred to react is respectively 2h, 6h, 8h, 10h, 12h, filtering, obtains leached mud And leachate.Leaching effect is as shown in figure 4, as shown in Figure 4, under conditions of mixing time is 2-12h, nickel cobalt manganese lithium all have compared with Good leaching rate, better effect under conditions of 6-12h.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, it is not taking off Under the premise of from concept of the invention, various modifications and improvements can be made, these belong to protection model of the invention It encloses.

Claims (10)

1. a kind of waste and old lithium ion battery comprehensive recovering process characterized by comprising
Ternary waste lithium cell battery core powder is leached for the first time with sulfuric acid and potassium permanganate, is obtained the first leachate and first and is leached Slag;
With sodium carbonate to the first leachate sinker, lithium carbonate is obtained;
First leached mud is leached with hydrogen peroxide and sulfuric acid selective reduction, obtains the second leachate and the second leached mud;
The pH to 4.2-4.5 for adjusting second leachate extracts second leachate through 10-15 grades with P204, obtains P204 raffinate and P204 load organic phases;
The P204 load organic phases are stripped with sulfuric acid, manganese sulfate is made in evaporative crystallization;
The pH value of the P204 raffinate is adjusted to 4.5-5, the P204 raffinate is extracted through 14-18 grades with C272, is obtained C272 extract liquor and C272 load organic phases;
Cobalt sulfate solution is obtained to the C727 load organic oppositing back-extraction with sulfuric acid, battery grade cobalt sulfate is made in evaporative crystallization;
The pH value for adjusting C272 raffinate is 5-5.5, extracts to obtain P507 load organic phases, institute with P507 to the C272 extract liquor It states P507 load organic phases and is stripped to obtain nickel sulfate solution through sulfuric acid, evaporative crystallization obtains nickel sulfate.
2. waste and old lithium ion battery comprehensive recovering process according to claim 1, which is characterized in that described first leaches step Rapid temperature is 50 DEG C -100 DEG C.
3. waste and old lithium ion battery comprehensive recovering process according to claim 1, which is characterized in that the potassium permanganate with The mass ratio of ternary waste lithium cell battery core powder is 0.2-1.2:1.
4. waste and old lithium ion battery comprehensive recovering process according to claim 1, which is characterized in that the waste and old lithium of ternary The extraction time of battery battery core powder is 2h-12h.
5. waste and old lithium ion battery comprehensive recovering process according to claim 1, which is characterized in that the selective reduction leaching Temperature out is 30 DEG C -100 DEG C.
6. waste and old lithium ion battery comprehensive recovering process according to claim 1, which is characterized in that leached to described first Slag carries out 0.9-1.1 times that used sulphuric acid when reducing leaching is theoretical amount, goes back to first leached mud Used hydrogen peroxide additional amount is 1.1-1.4 times of theoretical amount when original leaching.
7. waste and old lithium ion battery comprehensive recovering process according to claim 1, which is characterized in that the concentration of the P204 For 20%-35%.
8. waste and old lithium ion battery comprehensive recovering process according to claim 1, which is characterized in that loaded to the P204 Organic phase is selectively stripped with sulfuric acid, and it is 10g/L sulfuric acid that control manganese sulfate, which goes out mouth acidity,.
9. waste and old lithium ion battery comprehensive recovering process according to claim 1, which is characterized in that the concentration of the C272 For 20%-35%.
10. waste and old lithium ion battery comprehensive recovering process according to claim 1, which is characterized in that negative to the C727 It carries organic phase and is stripped to obtain cobalt sulfate solution with sulfuric acid, control cobaltous sulfate exports pH=3.5.
CN201811286786.2A 2018-10-31 2018-10-31 Comprehensive recovery method for waste lithium ion battery Active CN109449523B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811286786.2A CN109449523B (en) 2018-10-31 2018-10-31 Comprehensive recovery method for waste lithium ion battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811286786.2A CN109449523B (en) 2018-10-31 2018-10-31 Comprehensive recovery method for waste lithium ion battery

Publications (2)

Publication Number Publication Date
CN109449523A true CN109449523A (en) 2019-03-08
CN109449523B CN109449523B (en) 2021-09-10

Family

ID=65549695

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811286786.2A Active CN109449523B (en) 2018-10-31 2018-10-31 Comprehensive recovery method for waste lithium ion battery

Country Status (1)

Country Link
CN (1) CN109449523B (en)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109761251A (en) * 2019-04-11 2019-05-17 天齐锂业资源循环技术研发(江苏)有限公司 A method of lithium hydroxide is prepared using waste and old lithium ion battery
CN109761250A (en) * 2019-04-11 2019-05-17 天齐锂业资源循环技术研发(江苏)有限公司 A method of lithium ion sieve is prepared using waste and old lithium ion battery
CN110205491A (en) * 2019-06-25 2019-09-06 中南大学 A kind of metal lithium simple substance and the preparation method and application thereof
CN110828926A (en) * 2019-09-26 2020-02-21 北京矿冶科技集团有限公司 Method for cooperatively recovering metal and graphite from anode and cathode materials of waste lithium ion battery
CN110828927A (en) * 2019-10-18 2020-02-21 广西银亿新材料有限公司 Method for comprehensively recovering waste lithium ion batteries
CN112079391A (en) * 2020-07-31 2020-12-15 浙江天能新材料有限公司 Method for preparing battery-grade manganese sulfate
CN112342390A (en) * 2020-10-26 2021-02-09 宁波互邦新材料有限公司 Extraction separation technology of ternary leaching solution and ternary positive electrode material recovery process based on extraction separation technology
CN112981112A (en) * 2021-02-07 2021-06-18 余姚市鑫和电池材料有限公司 Method for preparing high-purity cobalt sulfate solution from waste ternary lithium battery cathode material
WO2021134517A1 (en) * 2019-12-30 2021-07-08 荆门市格林美新材料有限公司 Method for comprehensive extraction of metals from spent lithium-ion batteries
WO2021134515A1 (en) * 2019-12-30 2021-07-08 荆门市格林美新材料有限公司 Battery-level ni-co-mn mixed solution and preparation method for battery-level mn solution
CN113104897A (en) * 2021-04-12 2021-07-13 浙江天能新材料有限公司 Method for preparing battery-grade manganese sulfate by separating nickel, cobalt, lithium and manganese from battery black powder
CN113122725A (en) * 2021-04-09 2021-07-16 上海电气集团股份有限公司 Method for improving metal recovery rate and purity of waste lithium battery
CN113174486A (en) * 2021-03-31 2021-07-27 广东邦普循环科技有限公司 Method for recovering valuable metals of waste lithium ion batteries
CN113735179A (en) * 2021-08-24 2021-12-03 广西锰华新能源科技发展有限公司 Method for preparing high-purity ferric sulfate by using ferro-manganese
WO2022000881A1 (en) 2020-06-28 2022-01-06 北京博萃循环科技有限公司 Carboxylic acid compound, and preparation method therefor and application thereof
CN114956420A (en) * 2022-05-13 2022-08-30 湖南金源新材料循环利用有限公司 Comprehensive recovery process for sodium-lithium-containing metallurgical wastewater
CN115215368A (en) * 2022-04-27 2022-10-21 华南理工大学 Method for regenerating raw materials of waste cadmium-nickel battery based on solvent extraction
EP4282997A3 (en) * 2022-05-27 2024-02-14 II-VI Delaware, Inc. Streamlined lithium-ion battery waste recycling
EP4286547A4 (en) * 2022-04-19 2024-03-27 Ecopro Mat Co Ltd Solvent extraction method for separation and recovery of nickel, cobalt, manganese, and zinc

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1154159A (en) * 1997-06-04 1999-02-26 Japan Energy Corp Method to recover and reproduce cobalt, nickel or manganese and lithium from battery positive electrode scrap material and material for battery positive electrode
CN101383440A (en) * 2007-11-16 2009-03-11 佛山市邦普镍钴技术有限公司 Method for recycling and preparing superfine nickel powder from nickel-hydrogen cell
JP2012200653A (en) * 2011-03-24 2012-10-22 Jx Nippon Mining & Metals Corp Lithium adsorbent and method of manufacturing the same
CN105441682A (en) * 2014-09-18 2016-03-30 朝阳科技大学 Method for recovering valuable metals
CN108193050A (en) * 2017-11-27 2018-06-22 中国人民解放军陆军防化学院 Metal material recovery method in a kind of waste and old ternary power battery
CN108232351A (en) * 2018-01-29 2018-06-29 长沙理工大学 A kind of comprehensive recovering process of discarded ternary lithium-ion-power cell
CN108390120A (en) * 2017-12-11 2018-08-10 中国科学院过程工程研究所 A kind of method of lithium in selective recovery waste lithium ion cell anode material

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1154159A (en) * 1997-06-04 1999-02-26 Japan Energy Corp Method to recover and reproduce cobalt, nickel or manganese and lithium from battery positive electrode scrap material and material for battery positive electrode
CN101383440A (en) * 2007-11-16 2009-03-11 佛山市邦普镍钴技术有限公司 Method for recycling and preparing superfine nickel powder from nickel-hydrogen cell
JP2012200653A (en) * 2011-03-24 2012-10-22 Jx Nippon Mining & Metals Corp Lithium adsorbent and method of manufacturing the same
CN105441682A (en) * 2014-09-18 2016-03-30 朝阳科技大学 Method for recovering valuable metals
CN108193050A (en) * 2017-11-27 2018-06-22 中国人民解放军陆军防化学院 Metal material recovery method in a kind of waste and old ternary power battery
CN108390120A (en) * 2017-12-11 2018-08-10 中国科学院过程工程研究所 A kind of method of lithium in selective recovery waste lithium ion cell anode material
CN108232351A (en) * 2018-01-29 2018-06-29 长沙理工大学 A kind of comprehensive recovering process of discarded ternary lithium-ion-power cell

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王红梅: "《废电池处理处置现状及管理对策研究》", 30 April 2013 *

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109761251A (en) * 2019-04-11 2019-05-17 天齐锂业资源循环技术研发(江苏)有限公司 A method of lithium hydroxide is prepared using waste and old lithium ion battery
CN109761250A (en) * 2019-04-11 2019-05-17 天齐锂业资源循环技术研发(江苏)有限公司 A method of lithium ion sieve is prepared using waste and old lithium ion battery
CN110205491A (en) * 2019-06-25 2019-09-06 中南大学 A kind of metal lithium simple substance and the preparation method and application thereof
CN110828926A (en) * 2019-09-26 2020-02-21 北京矿冶科技集团有限公司 Method for cooperatively recovering metal and graphite from anode and cathode materials of waste lithium ion battery
CN110828926B (en) * 2019-09-26 2022-05-17 矿冶科技集团有限公司 Method for cooperatively recovering metal and graphite from anode and cathode materials of waste lithium ion battery
CN110828927A (en) * 2019-10-18 2020-02-21 广西银亿新材料有限公司 Method for comprehensively recovering waste lithium ion batteries
WO2021134517A1 (en) * 2019-12-30 2021-07-08 荆门市格林美新材料有限公司 Method for comprehensive extraction of metals from spent lithium-ion batteries
US20220384868A1 (en) * 2019-12-30 2022-12-01 Jingmen Gem Co., Ltd Battery-level ni-co-mn mixed solution and preparation method for battery-level mn solution
WO2021134515A1 (en) * 2019-12-30 2021-07-08 荆门市格林美新材料有限公司 Battery-level ni-co-mn mixed solution and preparation method for battery-level mn solution
EP4087015A4 (en) * 2019-12-30 2024-02-14 Jingmen Gem Co Ltd Battery-level ni-co-mn mixed solution and preparation method for battery-level mn solution
US11695170B2 (en) * 2019-12-30 2023-07-04 Jingmen Gem Co., Ltd Battery-level Ni—Co—Mn mixed solution and preparation method for battery-level Mn solution
JP7283720B2 (en) 2019-12-30 2023-05-30 ▲荊▼▲門▼市格林美新材料有限公司 Method for preparing battery grade Ni-Co-Mn mixture and battery grade Mn solution
JP2023502146A (en) * 2019-12-30 2023-01-20 ▲荊▼▲門▼市格林美新材料有限公司 Method for preparing battery grade Ni-Co-Mn mixture and battery grade Mn solution
WO2022000881A1 (en) 2020-06-28 2022-01-06 北京博萃循环科技有限公司 Carboxylic acid compound, and preparation method therefor and application thereof
CN112079391A (en) * 2020-07-31 2020-12-15 浙江天能新材料有限公司 Method for preparing battery-grade manganese sulfate
CN112342390A (en) * 2020-10-26 2021-02-09 宁波互邦新材料有限公司 Extraction separation technology of ternary leaching solution and ternary positive electrode material recovery process based on extraction separation technology
CN112981112A (en) * 2021-02-07 2021-06-18 余姚市鑫和电池材料有限公司 Method for preparing high-purity cobalt sulfate solution from waste ternary lithium battery cathode material
WO2022206066A1 (en) * 2021-03-31 2022-10-06 广东邦普循环科技有限公司 Method for recovering valuable metals from waste lithium-ion batteries
CN113174486A (en) * 2021-03-31 2021-07-27 广东邦普循环科技有限公司 Method for recovering valuable metals of waste lithium ion batteries
CN113122725A (en) * 2021-04-09 2021-07-16 上海电气集团股份有限公司 Method for improving metal recovery rate and purity of waste lithium battery
CN113104897A (en) * 2021-04-12 2021-07-13 浙江天能新材料有限公司 Method for preparing battery-grade manganese sulfate by separating nickel, cobalt, lithium and manganese from battery black powder
CN113735179A (en) * 2021-08-24 2021-12-03 广西锰华新能源科技发展有限公司 Method for preparing high-purity ferric sulfate by using ferro-manganese
EP4286547A4 (en) * 2022-04-19 2024-03-27 Ecopro Mat Co Ltd Solvent extraction method for separation and recovery of nickel, cobalt, manganese, and zinc
CN115215368A (en) * 2022-04-27 2022-10-21 华南理工大学 Method for regenerating raw materials of waste cadmium-nickel battery based on solvent extraction
CN115215368B (en) * 2022-04-27 2023-05-30 华南理工大学 Method for regenerating raw materials of waste cadmium nickel battery based on solvent extraction
CN114956420A (en) * 2022-05-13 2022-08-30 湖南金源新材料循环利用有限公司 Comprehensive recovery process for sodium-lithium-containing metallurgical wastewater
CN114956420B (en) * 2022-05-13 2024-02-02 湖南金源新材料循环利用有限公司 Comprehensive recovery process for sodium-lithium-containing metallurgical wastewater
EP4282997A3 (en) * 2022-05-27 2024-02-14 II-VI Delaware, Inc. Streamlined lithium-ion battery waste recycling

Also Published As

Publication number Publication date
CN109449523B (en) 2021-09-10

Similar Documents

Publication Publication Date Title
CN109449523A (en) A kind of comprehensive recovering process of waste and old lithium ion battery
Arshad et al. A comprehensive review of the advancement in recycling the anode and electrolyte from spent lithium ion batteries
Innocenzi et al. A review of the processes and lab-scale techniques for the treatment of spent rechargeable NiMH batteries
CN107267759B (en) A kind of comprehensive recovering process of anode material for lithium-ion batteries
CN107196004B (en) A method of recycling valuable metal from applying waste lithium ionic power battery
Zheng et al. Leaching procedure and kinetic studies of cobalt in cathode materials from spent lithium ion batteries using organic citric acid as leachant
JP6314814B2 (en) Method for recovering valuable metals from waste lithium-ion batteries
CN104466292B (en) The method of Call Provision lithium metal from the used Li ion cell of lithium cobaltate cathode material
CN110343864B (en) Method for recovering lithium and cobalt in waste electrode material by microwave roasting assistance
CN107666022A (en) Lithium, the recovery method of nickel cobalt manganese in a kind of discarded tertiary cathode material
CN108384955A (en) A method of from selectively carrying lithium in waste material containing lithium battery
KR101497921B1 (en) Recycling methdo of ncm type cathode active material from waste lithium ion battery and ncm type cathode active material recycled by the same
CN106684489A (en) Method for recycling valuable metal from waste polybasic lithium ion batteries
CN102030375A (en) Method for preparing lithium cobaltate by directly using failed lithium ion battery
CA3136878A1 (en) Process for the preparation of battery precursors
EP3269832B1 (en) Method of recycling and processing waste battery
KR20170061206A (en) Collection method of precursor material using disposed lithum-ion battery
CN108486378A (en) A kind of processing method of the leachate of waste material containing lithium electrode
CN109179359A (en) A method of extracting lithium and ferric phosphate from LiFePO4 waste material
EP4324949A1 (en) Method for recovering valuable metals from spent lithium-ion batteries
CN105907983A (en) Method of extracting lithium from furnace slag generated from pyrogenic process recovery of lithium battery
CN105322247A (en) Method for preparing lithium cobaltate by directly using spent lithium ion batteries
CN109536728A (en) A method of recycling nickel cobalt from battery electrode material leachate
CN114132909A (en) Method for recycling pure metal salt from retired manganese iron phosphate lithium battery waste
CN109609761A (en) A kind of recovery method of waste and old lithium ion battery

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant