CN112458287A - Recovery processing technology of waste lithium ion battery - Google Patents

Recovery processing technology of waste lithium ion battery Download PDF

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Publication number
CN112458287A
CN112458287A CN202011161721.2A CN202011161721A CN112458287A CN 112458287 A CN112458287 A CN 112458287A CN 202011161721 A CN202011161721 A CN 202011161721A CN 112458287 A CN112458287 A CN 112458287A
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China
Prior art keywords
blowing furnace
lithium ion
oxygen
enriched air
waste lithium
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CN202011161721.2A
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Chinese (zh)
Inventor
黄林波
杨先锋
钟发平
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NATIONAL ENGINEERING RESEARCH OF ADVANCED ENERGY STORAGE MATERIALS
National Engineering Research Center of Advanced Energy Storage Materials Shenzhen Co Ltd
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NATIONAL ENGINEERING RESEARCH OF ADVANCED ENERGY STORAGE MATERIALS
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Priority to CN202011161721.2A priority Critical patent/CN112458287A/en
Publication of CN112458287A publication Critical patent/CN112458287A/en
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00—Working 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
    • C22B7/001—Dry processes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00—Obtaining copper
    • C22B15/0026—Pyrometallurgy
    • C22B15/0028—Smelting or converting
    • C22B15/003—Bath smelting or converting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00—Obtaining copper
    • C22B15/0026—Pyrometallurgy
    • C22B15/0056—Scrap treating
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/02—Obtaining nickel or cobalt by dry processes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/54—Reclaiming serviceable parts of waste accumulators
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/84—Recycling of batteries or fuel cells

Abstract

The invention provides a recovery processing technology of waste lithium ion batteries, which comprises the steps of firstly adding the waste lithium ion batteries, crushed coal, quartz stone, limestone and ferrous sulfide into a bottom-blowing furnace which is started and is in a heat preservation state according to a certain mass ratio, simultaneously filling oxygen-enriched air into the bottom-blowing furnace, keeping the oxidizing atmosphere in the bottom-blowing furnace and continuously heating until all materials added into the bottom-blowing furnace are completely melted and various metal elements are oxidized to generate a molten pool; adding crushed coal into the bottom-blowing furnace, filling oxygen-enriched air into the bottom-blowing furnace, keeping the bottom-blowing furnace in a deep reducing atmosphere until nickel, cobalt and copper in the molten pool form coarse nickel-cobalt-copper alloy, entering a furnace hearth, extruding and collecting the coarse nickel-cobalt-copper alloy from a siphon port, and forming lithium slag by the other metal elements in an oxide form to float upwards and enter a slag layer; and finally, adding crushed coal into the bottom-blowing furnace and charging oxygen-enriched air until the temperature in the bottom-blowing furnace reaches 1450-1650 ℃, discharging lithium slag from a slag outlet, and performing water quenching, cooling and collecting. The method has the advantages of simple and novel process, little pollution and high safety.

Description

Recovery processing technology of waste lithium ion battery
Technical Field
The invention relates to a recovery treatment process of waste lithium ion batteries.
Background
The development of electric vehicles and power batteries is promoted by the environmental pollution and the petroleum energy crisis. With the rapid development of domestic electric vehicles, the usage amount of power batteries is gradually increased. However, the power batteries have a certain service life and need to be replaced after being used for a period of time, and the heavy metals of nickel and cobalt, and electrolyte solutions such as acid and alkali contained in the power batteries for automobiles all have great threats to the natural environment and human health. On the other hand, the waste power battery also contains a large amount of valuable metals such as nickel, cobalt and the like with high recycling value. Therefore, from the viewpoint of resource saving and environmental protection, the recycling of the waste power batteries should keep pace with the popularization and application of the electric vehicles. At present, domestic and foreign enterprises and researchers mainly conduct research on recycling of consumer civil batteries, and the research on recycling of power batteries involves a small amount. Meanwhile, the whole process of the pyrometallurgical recovery treatment research has high energy consumption, low efficiency, the generation of oxysulfide and nitric oxide, large pollution, the waste and non-recovery of furnace body smoke dust, large corrosivity to the furnace body and the furnace bottom in the smelting process and low safety.
Disclosure of Invention
The invention aims to provide a recycling treatment process of waste lithium ion batteries, which is simple and novel in process, higher in safety and lower in pollution.
The invention is realized by the following scheme:
a process for recovering and treating waste lithium ion batteries comprises the following steps,
(a) firstly, adding waste lithium ion batteries, crushed coal, quartz stone, limestone and ferrous sulfide into a bottom-blowing furnace which is started and is in a heat preservation state according to a certain mass ratio, simultaneously filling oxygen-enriched air into the bottom-blowing furnace, keeping the oxidizing atmosphere in the bottom-blowing furnace and continuously heating until all materials added into the bottom-blowing furnace are completely melted and various metal elements are oxidized to generate a molten pool; the mass ratio of the waste lithium ion battery to the crushed coal to the quartz stone to the limestone to the ferrous sulfide is 60-85: 3-15: 1-5: 1-5: 5 to 15. In order to ensure that the temperature in the bottom blowing furnace is continuously raised in an oxidizing atmosphere, the amount of the charged oxygen-enriched air is 1600-2500 m3The peroxide coefficient alpha is controlled to be 0.7-0.8; generally, the bottom blowing furnace is continuously heated to over 1450 ℃, so that the aim of completely melting all materials can be fulfilled. In practice, for convenience of operationConsidering the working efficiency, generally, the time of the step is controlled to be 30-80 min, so that the aims of completely melting all materials and oxidizing various metal elements to generate a molten pool can be fulfilled; the addition of ferrous sulfide is beneficial to regulating the peroxide coefficient, the addition of crushed coal can be reduced, the deep reducing atmosphere generated by excessive coal in the oxidation stage is prevented, and the sulfur element can provide enough combustion heat to enable the materials to generate a molten pool;
(b) adding crushed coal into the bottom-blowing furnace, filling oxygen-enriched air into the bottom-blowing furnace, keeping the bottom-blowing furnace in a deep reducing atmosphere until nickel, cobalt and copper in the molten pool form coarse nickel-cobalt-copper alloy, entering a furnace hearth, extruding and collecting the coarse nickel-cobalt-copper alloy from a siphon port, and forming lithium slag by the other metal elements in an oxide form to float upwards and enter a slag layer; in order to ensure that the bottom-blowing furnace provides deep reducing atmosphere and heat in time, the amount of the charged oxygen-enriched air is 1400-1800 m3Controlling the peroxide coefficient alpha to be 0.2-0.4, and adjusting the addition of the crushed coal according to the requirement to control the peroxide coefficient alpha to be 0.2-0.4; in actual operation, in order to facilitate operation and consider working efficiency, the time of the step is generally controlled within 30-60 min;
(c) and finally, adding crushed coal into the bottom-blowing furnace and charging oxygen-enriched air until the temperature in the bottom-blowing furnace reaches 1450-1650 ℃, discharging lithium slag from a slag outlet, and performing water quenching, cooling and collecting. In order to ensure that the temperature in the bottom-blowing furnace meets the requirement, the amount of the charged oxygen-enriched air is 1500-2300 m3The peroxide coefficient alpha is controlled to be 0.6-0.7, and the addition amount of the crushed coal is adjusted according to the requirement so as to control the peroxide coefficient alpha to be 0.6-0.7. In practical operation, the time of the step is generally controlled within 10-30 min for convenience of operation and consideration of working efficiency.
Further, the mass content of oxygen in the oxygen-enriched air is 40-80%, and the mass content of oxygen can be selected according to specific requirements.
In the steps (a), (b) and (c), the electrolyte in the waste lithium ion battery can be combusted and pyrolyzed, and decomposed gas enters a tail gas treatment device to be discharged after reaching the standard, so that the harm of HF and the like to the environment is reduced; organic matters such as diaphragms in the waste lithium ion batteries are combusted at high temperature to supply heat, smoke and dust are generated, and the smoke and dust rise to the top of the furnace and flow out to a boiler to be cooled and then are collected by a dust collection device.
In the present invention, the peroxide coefficient α is the ratio of the mass of oxygen actually supplied to burn 1kg of fuel to the theoretical mass of oxygen required to completely burn 1kg of fuel; for example, a mass of oxygen completely combusted with carbon is 1, and an oxygen peroxide coefficient α of 0.7 means that the value of the mass of oxygen actually supplied to combust 1kg of carbon/the theoretical mass of oxygen required to completely combust 1kg of fuel is equal to 0.7.
The step (a) is defined as an oxidation temperature rise period, the waste lithium ion battery, limestone, quartz stone and ferrous sulfide are respectively fed through a belt, the consumption of crushed coal and oxygen-enriched air is regulated and controlled through central control, organic matters such as diaphragms and plastics in the crushed coal, the ferrous sulfide and the waste lithium ion battery react with the oxygen-enriched air to generate heat supply for a furnace body, and various metal elements such as nickel, cobalt, iron, lithium, manganese, aluminum and the like in the waste lithium ion battery start to react with oxygen to form a molten pool.
And (b) defining the step (b) as a reduction period, wherein the raw materials are not fed at the moment, and the amount of the crushed coal and the oxygen-enriched air are added only through central control, so that the furnace body can generate heat supply and simultaneously generate deep reduction atmosphere. The nickel, cobalt and copper in oxidation state are reduced to produce crude nickel-cobalt-copper alloy, and iron and most of lithium, manganese and aluminum still form lithium slag with quartz stone and limestone in oxide form to enter a slag layer. And at the end of the reduction period, continuously generating the coarse nickel-cobalt-copper alloy which is extruded out of the furnace through a siphon port of the bottom blowing furnace. The coarse nickel-cobalt-copper alloy can be subsequently used as a nickel-cobalt-copper raw material for further smelting, and the lithium slag can be further purified through high-pressure wet smelting.
And (c) during slag discharging, raw materials are not fed at the moment, the use amount of crushed coal and oxygen-enriched air is only controlled and regulated through central control, the furnace temperature is raised to 1450-1650 ℃, lithium slag is discharged from a slag port of the bottom blowing furnace and is quenched with water for cooling, and lithium can be further recovered from the lithium slag.
The recovery processing technology of the waste lithium ion battery utilizes the characteristic of melting bath smelting of the bottom blowing furnace, does not need to break and disassemble the shell of the waste lithium ion battery, and charges oxygen-enriched air from the air port of the bottom blowing furnace, so that the stirring force is large, and the energy utilization rate is high. The bottom blowing furnace has stable blowing, less splashing, high metal yield, low consumption of oxygen, lime and the like and less smoke and dust. The recovery processing technology of the waste lithium ion battery has the advantages of harmless treatment of the electrolyte, high production efficiency of molten pool smelting, low energy consumption, suitability for large-scale treatment of the waste lithium ion battery and realization of separation of nickel, cobalt and copper from iron and lithium, aluminum and manganese; the recovery processing technology of the waste lithium ion battery has simple and novel process route, the generated smoke dust can be collected and processed by a dust collection device through a boiler, and the products are crude nickel-cobalt-copper alloy and lithium slag. The coarse nickel-cobalt-copper alloy can be used as a raw material for further smelting and purification, lithium can be further recovered from lithium slag, and the recovered nickel, cobalt and copper have high purity and high value.
Detailed Description
The present invention will be further described with reference to the following examples, but the present invention is not limited to the description of the examples.
Example 1
A process for recovering and treating waste lithium ion batteries comprises the following steps,
(a) firstly, waste lithium ion batteries, crushed coal, quartz stone, limestone and ferrous sulfide are mixed according to the mass ratio of 68: 12: 3: 3: 14 is added into a bottom blowing furnace which is started and is in a heat preservation state, and at the same time, 2000m of oxygen-enriched air with the oxygen content of 80 percent is filled into the bottom blowing furnace3Controlling the peroxide coefficient alpha to be 0.78, keeping the oxidizing atmosphere in the bottom-blowing furnace, and continuously heating to 1450 ℃ until all materials added into the bottom-blowing furnace are completely melted and various metal elements are oxidized to generate a molten pool; the whole process of the step is controlled to be 40 min;
(b) then, crushed coal is metered into the bottom blowing furnace through a belt and oxygen-enriched air 1550m with the oxygen content of 80 percent is charged into the bottom blowing furnace3Controlling the peroxide coefficient alpha to be 0.4, adjusting the adding amount of crushed coal according to the requirement to control the peroxide coefficient alpha to be 0.4, keeping the deep reducing atmosphere in the bottom blowing furnace until nickel, cobalt and copper in the molten pool form coarse nickel-cobalt-copper alloy, entering the furnace cylinder, extruding and collecting the coarse nickel-cobalt-copper alloy from a siphon port, forming lithium slag by other metal elements in an oxide form, and floating the lithium slag into a slag layer, wherein the whole process of the step is controlled to be 35 min;
(c) finally, crushed coal is metered into the bottom blowing furnace through a belt and oxygen-enriched air with the oxygen content of 80 percent is charged for 1600m3And controlling the peroxide coefficient alpha to be 0.7, and adjusting the adding amount of the crushed coal according to the requirement to control the peroxide coefficient alpha to be 0.7 until the temperature in the bottom-blowing furnace reaches 1550 ℃, discharging the lithium slag from a slag outlet, performing water quenching, cooling and collecting, wherein the whole process of the step is controlled to be 10 min.
Raising the smoke generated in the steps (a), (b) and (c) to the top of the furnace, flowing out to the boiler, cooling, and collecting by a recovery device.
The crude nickel-cobalt-copper alloy product is detected, the composition of the crude nickel-cobalt-copper alloy product mainly comprises Ni, NiO, Co, CoO, Cu and CuO, and the content of each metal element is shown in Table 1.
TABLE 1 content of each metal element in crude Ni-Co-Cu alloy
Element name Ni Co Cu
Content (%) 25 28 20
The lithium slag product was examined and the contents of each composition are shown in table 2.
TABLE 2 lithium slag composition content
Name of composition Li2O NiO Co3O4 SiO2 FeO CaO MnO2 Al2O3
Content (%) 8 2 0.5 22 17 21 9 8
Example 2
The steps of a recovery processing technology of waste lithium ion batteries are basically the same as those of the recovery processing technology of the waste lithium ion batteries in embodiment 1, and the difference is that:
1. in the step (a), the waste lithium ion battery, the crushed coal, the quartz stone and the limestone are usedThe mass ratio of the ferrous sulfide is 70: 10: 4: 4: 12, the oxygen content in the oxygen-enriched air is 70 percent by mass, and the volume of the oxygen-enriched air is controlled to 2200m3Controlling the peroxide coefficient alpha to be 0.8, continuously heating the bottom blowing furnace to 1550 ℃, and controlling the whole process of the step to be 65 min;
2. in the step (b), the oxygen content of the charged oxygen-enriched air is 70 percent by mass, and the volume of the charged oxygen-enriched air is controlled to be 1600m3Controlling the peroxide coefficient alpha to be 0.35, and adjusting the adding amount of the crushed coal according to the requirement to meet the requirement that the peroxide coefficient alpha is controlled to be 0.35, wherein the whole process of the step is controlled to be 40 min;
3. in the step (c), the oxygen content of the charged oxygen-enriched air is 70% by mass, and the volume of the charged oxygen-enriched air is controlled to be 1700m3The peroxide coefficient alpha is controlled to be 0.65, the adding amount of the crushed coal is adjusted according to the requirement, so that the peroxide coefficient alpha is controlled to be 0.65, the temperature in the bottom blowing furnace reaches 1650 ℃, and the whole process of the step is controlled to be 20 min.
The product nickel matte is detected, the composition of the product nickel matte is Ni, NiO, Co, CoO, Cu and CuO, and the content of each metal element is shown in Table 1.
TABLE 3 content of each metal element in the crude Ni-Co-Cu alloy
Element name Ni Co Cu
Content (%) 20 25 6
The lithium slag product was examined and the contents of each composition are shown in table 4.
TABLE 4 lithium slag composition content
Name of composition Li2O NiO Co3O4 SiO2 FeO CaO MnO2 Al2O3
Content (%) 11 0.1 0.5 25 28 18 2 1.2
Example 3
The steps of a recovery processing technology of waste lithium ion batteries are basically the same as those of the recovery processing technology of the waste lithium ion batteries in embodiment 1, and the difference is that:
1. in the step (a), the mass ratio of the waste lithium ion battery, the crushed coal, the quartz stone, the limestone and the ferrous sulfide is 78: 8: 2: 2: 10, the oxygen content in the charged oxygen-enriched air is 55 percent by mass, and the volume of the charged oxygen-enriched air is controlled to be 1800m3Controlling the peroxide coefficient alpha to be 0.7, continuously heating the bottom blowing furnace to 1600 ℃, and controlling the whole process of the step to be 80 min;
2. in the step (b), the oxygen content of the charged oxygen-enriched air is 55 percent by mass, and the volume of the charged oxygen-enriched air is controlled to 1550m3Controlling the peroxide coefficient alpha to be 0.25, and adjusting the adding amount of the crushed coal according to the requirement to meet the requirement that the peroxide coefficient alpha is controlled to be 0.25, wherein the whole process of the step is controlled to be 50 min;
3. in the step (c), the oxygen content of the charged oxygen-enriched air is 55% by mass, and the volume of the charged oxygen-enriched air is controlled to be 2000m3The peroxide coefficient alpha is controlled to be 0.60, the addition amount of the crushed coal is adjusted according to the requirement, so that the peroxide coefficient alpha is controlled to be 0.60, the temperature in the bottom blowing furnace reaches 1450 ℃, and the whole process of the step is controlled to be 30 min.
The product nickel matte is detected, the composition of the product nickel matte is Ni, NiO, Co, CoO, Cu and CuO, and the content of each metal element is shown in Table 5.
TABLE 5 content of each metal element in the crude Ni-Co-Cu alloy
Element name Ni Co Cu
Content (%) 29 27 9
The lithium slag product was examined and the contents of each composition are shown in table 4.
TABLE 6 lithium slag composition content
Name of composition Li2O NiO Co3O4 SiO2 FeO CaO MnO2 Al2O3
Content (%) 9 3 1.5 25 16 20 7 6

Claims (6)

1. A recovery processing technology of waste lithium ion batteries is characterized in that: the method comprises the following steps of (1),
(a) firstly, adding waste lithium ion batteries, crushed coal, quartz stone, limestone and ferrous sulfide into a bottom-blowing furnace which is started and is in a heat preservation state according to a certain mass ratio, simultaneously filling oxygen-enriched air into the bottom-blowing furnace, keeping the oxidizing atmosphere in the bottom-blowing furnace and continuously heating until all materials added into the bottom-blowing furnace are completely melted and various metal elements are oxidized to generate a molten pool;
(b) adding crushed coal into the bottom-blowing furnace, filling oxygen-enriched air into the bottom-blowing furnace, keeping the bottom-blowing furnace in a deep reducing atmosphere until nickel, cobalt and copper in the molten pool form coarse nickel-cobalt-copper alloy, entering a furnace hearth, extruding and collecting the coarse nickel-cobalt-copper alloy from a siphon port, and forming lithium slag by the other metal elements in an oxide form to float upwards and enter a slag layer;
(c) and finally, adding crushed coal into the bottom-blowing furnace and charging oxygen-enriched air until the temperature in the bottom-blowing furnace reaches 1450-1650 ℃, discharging lithium slag from a slag outlet, and performing water quenching, cooling and collecting.
2. The recovery processing process of the waste lithium ion battery according to claim 1, characterized in that: in the step (a), the mass ratio of the waste lithium ion battery, the crushed coal, the quartz stone, the limestone and the ferrous sulfide is 60-85: 3-15: 1-5: 1-5: 5 to 15.
3. The recovery processing process of the waste lithium ion battery according to claim 2, characterized in that: in the step (a), the amount of the charged oxygen-enriched air is 1600-2500 m3And controlling the peroxide coefficient alpha to be 0.7-0.8, and continuously heating the bottom blowing furnace to be above 1450 ℃.
4. The recovery processing process of the waste lithium ion battery according to claim 1, characterized in that: in the step (b), the amount of the charged oxygen-enriched air is 1400-1800 m3The peroxide coefficient alpha is controlled to be 0.2-0.4.
5. The recovery processing process of the waste lithium ion battery according to claim 1, characterized in that: in the step (c), the amount of the charged oxygen-enriched air is 1500-2300 m3The peroxide coefficient alpha is controlled to be 0.6-0.7.
6. The recovery processing process of the waste lithium ion battery according to any one of claims 1 to 5, characterized in that: the mass content of oxygen in the oxygen-enriched air is 40-80%.
CN202011161721.2A 2020-10-27 2020-10-27 Recovery processing technology of waste lithium ion battery Pending CN112458287A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN106756042A (en) * 2016-12-19 2017-05-31 先进储能材料国家工程研究中心有限责任公司 A kind of recovery processing technique of waste nickel hydrogen battery
CN107177736A (en) * 2017-05-27 2017-09-19 先进储能材料国家工程研究中心有限责任公司 A kind of recovery processing technique of the old and useless battery of nickel and cobalt containing
CN109825710A (en) * 2019-02-20 2019-05-31 先进储能材料国家工程研究中心有限责任公司 The recovery processing technique of the waste lithium cell of nickel and cobalt containing manganese
WO2020104164A1 (en) * 2018-11-23 2020-05-28 Umicore Process for the recovery of lithium
CN211771488U (en) * 2020-02-07 2020-10-27 中国恩菲工程技术有限公司 Recovery system of waste lithium ion battery black powder

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120240729A1 (en) * 2009-09-25 2012-09-27 Karel Verscheure Process for the Valorization of Metals from Li-Ion Batteries
CN106756042A (en) * 2016-12-19 2017-05-31 先进储能材料国家工程研究中心有限责任公司 A kind of recovery processing technique of waste nickel hydrogen battery
CN107177736A (en) * 2017-05-27 2017-09-19 先进储能材料国家工程研究中心有限责任公司 A kind of recovery processing technique of the old and useless battery of nickel and cobalt containing
WO2020104164A1 (en) * 2018-11-23 2020-05-28 Umicore Process for the recovery of lithium
CN109825710A (en) * 2019-02-20 2019-05-31 先进储能材料国家工程研究中心有限责任公司 The recovery processing technique of the waste lithium cell of nickel and cobalt containing manganese
CN211771488U (en) * 2020-02-07 2020-10-27 中国恩菲工程技术有限公司 Recovery system of waste lithium ion battery black powder

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