CN108281725A - A method of dismantling waste lithium ion - Google Patents
A method of dismantling waste lithium ion Download PDFInfo
- Publication number
- CN108281725A CN108281725A CN201710010734.1A CN201710010734A CN108281725A CN 108281725 A CN108281725 A CN 108281725A CN 201710010734 A CN201710010734 A CN 201710010734A CN 108281725 A CN108281725 A CN 108281725A
- Authority
- CN
- China
- Prior art keywords
- dismantling
- lithium ion
- liquid
- waste lithium
- method described
- 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.)
- Pending
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 39
- 239000002699 waste material Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000012545 processing Methods 0.000 claims abstract description 7
- 229920003023 plastic Polymers 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 11
- 238000007885 magnetic separation Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 5
- 239000000706 filtrate Substances 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 238000004880 explosion Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 10
- 238000004064 recycling Methods 0.000 description 9
- 239000003792 electrolyte Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000012805 post-processing Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical group [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000010793 electronic waste Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- -1 using to treated Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of methods of dismantling waste lithium ion, and the method is that waste lithium ion is put into device for disassembling, so that waste lithium ion is in liquid and carries out dismantling processing.It is disassembled by the present invention in that waste lithium ion is in liquid; so that waste lithium ion and air insulated; to solve the problems, such as that waste lithium ion is also easy to produce burning or explosion during dismantling; not only have the advantages that dismantling is safe and reliable; and there is no disposal of pollutants during entire dismantling; it is suitble to scale processing, there is apparent practicability.
Description
Technical field
The present invention is to be related to a kind of method of dismantling waste lithium ion, belongs to energy environment protection technical field.
Background technology
With the rapid development of the national economy, living standards of the people greatly improve, in recent years mobile communications industry and
Electric vehicle industry shows fast development trend, the recycling of thing followed waste and old lithium ion battery and its accessory and environment
Pollution problem is increasingly subject to various circles of society and the extensive concern of the public.Currently, waste and old lithium ion battery and lithium ion battery production
The waste product generated in the process has become the important component of electronic waste, if dealt with improperly, will necessarily give human health and
Ecological environment brings potential threat and pollution；If being subject to scientific and reasonable recycling, recycling, can become give up into
Treasured brings huge economic benefit and social benefit to human society.Therefore, the recycling of lithium ion battery waste is studied
Problem gradually causes the attention of countries in the world especially developed country, becomes the hot issue and communication row of electronic waste processing
Industry and electric vehicle industry realize a key subjects of Faced In Sustainable Development.
And the recycling of waste lithium ion is needed to face the dismantling problem to waste lithium ion, due to useless
Abandoning lithium ion battery, there is also remaining electric energy, during dismantling, are easy to happen positive electrode and negative electrode and touch, cause the inside every
The case where film, electrolyte burning are even exploded, so that how effective and safe dismantling waste lithium ion becomes this field urgency
The problem that need to be solved.
Invention content
In view of the above-mentioned problems existing in the prior art and demand, the object of the present invention is to provide one kind can disassemble safely it is discarded
The method of lithium ion battery.
To achieve the above object, the present invention adopts the following technical scheme that：
A method of waste lithium ion being disassembled, including waste lithium ion and device for disassembling, the method are
Waste lithium ion is put into device for disassembling, so that waste lithium ion is in liquid and carries out dismantling processing.
It is disassembled by the present invention in that waste lithium ion is in liquid, so that waste lithium ion and air
Isolation, can not be ignited when to make positive electrode and negative electrode touch because not having oxygen presence diaphragm or electrolyte burn or quick-fried
It is fried.
The method of dismantling has very much, and dismantling of the present invention is preferably broken, because breaking method yield is big, efficient, at
This is low, is suitble to scale operation.
Preferably, after dismantling, be filtered, after gained filter residue is cleaned, is dried, then by pneumatic concentration into
The separating treatment of row plastic diaphragms and anode, negative material.Because the proportion of plastic shell, diaphragm is lighter than anode, cathode, therefore
It can be detached by pneumatic concentration.
Preferably, it after dismantling, is filtered, magnetic separation separation is carried out to gained filter residue.Because when discarded lithium ion
When the shell of battery is ferrous material, can directly it be isolated by carrying out magnetic separation to filter residue.
Preferably, after dismantling, using proportion principle, the plastics in liquid is made to float on liquid surface to be divided
From.Because the proportion of plastics such as plastic shell or diaphragm is less than liquid, therefore can be by making the plastics in liquid float on liquid table
Face is isolated.
Preferably, after dismantling, using proportion principle, make plastics and anode in liquid float on liquid surface to
It is detached.Because positive electrode and negative electrode mix, the difficulty of post-processing will be increased, first separate positive electrode and negative electrode, it can be greatly
Simplify post-processing workload, reduces separation costs.
Preferably, to treated, liquid carries out magnetic separation separation, then filters.Because if discarded lithium-ion electric
The shell in pond is ferrous material, using to treated, liquid progress magnetic separation processing can be isolated, to reduce post-processing
Workload.
Preferably, multi_layer extraction is carried out to the filtrate being obtained by filtration.Since filtrate is by media fluid and electrolysis
Matter liquid forms, and the two can be made to detach by the method for multi_layer extraction, electrolytic liquid therein is recycled.
Preferably, the filter residue being obtained by filtration is placed again into liquid, is detached again using proportion principle.
It, can by being detached again using proportion principle because filtering the mixture that obtained filter residue is still anode, cathode etc.
To be further separated to mixture, in order to post-processing.
Preferably, gas hood is installed in the upper surface of described device for disassembling, to collect the gas that dismantling is discharged in the process.
Because during dismantling, electrolyte can decompose generation gas, be collected the gas of generation by gas hood, then recycling is sharp
With can not only reduce the pollution to air, while recycling degree can be improved.
Compared with prior art, the present invention has the advantages that：
1) safety：Since during dismantling, waste lithium ion is in liquid always, is not contacted with oxygen,
So will not occur to burn or explode, securely and reliably；
2) environmentally friendly：Due to there is no disposal of pollutants during entire dismantling, it not can cause environmental pollution, there is ring
Protect advantage；
3) recycling degree is high：All compositions can be recycled, recycling degree is high.
Description of the drawings
Fig. 1 is a kind of equipment schematic diagram for dismantling waste lithium ion that embodiment 1 provides；
Fig. 2 is a kind of process flow chart for dismantling waste lithium ion that embodiment 2 provides.
Figure label is schematically as follows：1, broken container；2, gas hood；3, exhaust pipe；4, breaker；5, lithium-ion electric is discarded
Pond；6, liquid；7, waste lithium ion fragment.
Specific implementation mode
Technical scheme of the present invention is further elaborated with reference to embodiment and attached drawing：
Embodiment 1
Referring to Fig.1 shown in, it is provided in this embodiment it is a kind of dismantling waste lithium ion equipment can be：
A closing is constituted when gas hood 2 is arranged in the top of broken container 1, and gas hood 2 is combined with broken container 1 to hold
Device.Exhaust pipe 3 is installed in the top of gas hood 2, to be connected with retracting device.Breaker is installed in the inside of broken container 1
4, breaker 4 is immersed in liquid 6.After waste lithium ion 5 is put into broken container 1, lithium-ion electric is discarded
Pond 5 sinks in liquid 6 device 4 that is broken and is broken into waste lithium ion fragment 7.Waste lithium ion when due to being crushed
5 are immersed in liquid 6, without oxygen, so will not occur to burn or explode.Cause electrolyte in shattering process, which will produce, to be waved
Hair, therefore the gas to volatilize collects retracting device (being not drawn into this figure) by exhaust pipe 3.
Embodiment 2
With reference to shown in Fig. 2, a kind of technical process of dismantling waste lithium ion provided in this embodiment is as follows：It will pass through
Broken waste lithium ion fragment 7 is from 1 inner releasing of broken container, by differential-density saparation by shell and diaphragm from liquid
It is sorted out in 6.Since than the light specific gravities of other materials, (shell herein refers to plastic material, irony to the proportion of shell and diaphragm
Shell is detached by following magnetic separation), it is possible to therefrom separate.Residue after separation shell and diaphragm is carried out again
Solid-liquor separation respectively obtains liquid and solid.Magnetic separation is carried out after obtained solid is cleaned and dried again, respectively obtains iron
Matter shell and positive and negative pole material.Liquid is subjected to Liquid liquid Separation, respectively obtains media fluid and electrolytic liquid；Liquid liquid herein
Separation is to carry out multi_layer extraction using liquid separation method；Because media fluid is generally adopted by water-soluble material, and electrolyte solution
Body is non-water-soluble, so the two can carry out liquid separation separation.
It is it is necessary to described herein finally：Above example is served only for making technical scheme of the present invention further detailed
Ground illustrates, should not be understood as limiting the scope of the invention, those skilled in the art's the above according to the present invention
Some the nonessential modifications and adaptations made all belong to the scope of protection of the present invention.
Claims (10)
1. a kind of method of dismantling waste lithium ion, including waste lithium ion and device for disassembling, it is characterized in that：It is described
Method is that waste lithium ion is put into device for disassembling, so that waste lithium ion is in liquid and carries out dismantling processing.
2. according to the method described in claim 1, it is characterized in that：The dismantling is broken.
3. according to the method described in claim 1, it is characterized in that：It after dismantling, is filtered, gained filter residue is cleaned, is done
After dry, then pass through the separating treatment of pneumatic concentration progress plastic diaphragms and anode, negative material.
4. according to the method described in claim 3, it is characterized in that：It after dismantling, is filtered, carries out magnetic separation point again to gained filter residue
From processing.
5. according to the method described in claim 1, it is characterized in that：After dismantling, using proportion principle, the plastics in liquid is made to float on
Liquid surface is to be detached.
6. according to the method described in claim 1, it is characterized in that：After dismantling, using proportion principle, make plastics in liquid and just
Pole floats on liquid surface to be detached.
7. according to the method described in claim 1 or 5 or 6, it is characterized in that：To treated, liquid carries out magnetic separation separation, then
Filtering.
8. according to the method described in claim 7, it is characterized in that：Multi_layer extraction is carried out to the filtrate being obtained by filtration；By what is obtained
Filter residue is placed again into liquid, carries out further separating treatment using proportion principle again.
9. method according to claim 3 or 4, it is characterized in that：Multi_layer extraction is carried out to the filtrate being obtained by filtration.
10. according to the method described in claim 1, it is characterized in that：Gas hood is installed in the upper surface of described device for disassembling, is torn open with collecting
The gas discharged in solution preocess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710010734.1A CN108281725A (en) | 2017-01-06 | 2017-01-06 | A method of dismantling waste lithium ion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710010734.1A CN108281725A (en) | 2017-01-06 | 2017-01-06 | A method of dismantling waste lithium ion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108281725A true CN108281725A (en) | 2018-07-13 |
Family
ID=62800946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710010734.1A Pending CN108281725A (en) | 2017-01-06 | 2017-01-06 | A method of dismantling waste lithium ion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108281725A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879009A (en) * | 2018-06-27 | 2018-11-23 | 湘潭大学 | A kind of oxygen-impermeable crack method of scrap lithium ion battery water proof |
| CN111232475A (en) * | 2020-03-18 | 2020-06-05 | 浦江次方环保科技有限公司 | Waste battery recovery device |
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|---|---|---|---|---|
| CN102637921A (en) * | 2012-04-19 | 2012-08-15 | 西南科技大学 | Novel high-efficient comprehensive utilization method for recycling waste lithium-ion battery |
| CN104409792A (en) * | 2014-11-21 | 2015-03-11 | 四川长虹格润再生资源有限责任公司 | Waste lithium battery resource recycling method and application of product |
| CN104577249A (en) * | 2015-01-14 | 2015-04-29 | 上海交通大学 | Method for recycling waste lithium cobalt oxide lithium ion battery |
| CN205282606U (en) * | 2015-11-24 | 2016-06-01 | 国联汽车动力电池研究院有限责任公司 | Highly pressurised liquid cutting system |
| CN105811040A (en) * | 2016-05-16 | 2016-07-27 | 哈尔滨巴特瑞资源再生科技有限公司 | Method for smashing, detaching and recycling lithium battery |
-
2017
- 2017-01-06 CN CN201710010734.1A patent/CN108281725A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637921A (en) * | 2012-04-19 | 2012-08-15 | 西南科技大学 | Novel high-efficient comprehensive utilization method for recycling waste lithium-ion battery |
| CN104409792A (en) * | 2014-11-21 | 2015-03-11 | 四川长虹格润再生资源有限责任公司 | Waste lithium battery resource recycling method and application of product |
| CN104577249A (en) * | 2015-01-14 | 2015-04-29 | 上海交通大学 | Method for recycling waste lithium cobalt oxide lithium ion battery |
| CN205282606U (en) * | 2015-11-24 | 2016-06-01 | 国联汽车动力电池研究院有限责任公司 | Highly pressurised liquid cutting system |
| CN105811040A (en) * | 2016-05-16 | 2016-07-27 | 哈尔滨巴特瑞资源再生科技有限公司 | Method for smashing, detaching and recycling lithium battery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879009A (en) * | 2018-06-27 | 2018-11-23 | 湘潭大学 | A kind of oxygen-impermeable crack method of scrap lithium ion battery water proof |
| CN111232475A (en) * | 2020-03-18 | 2020-06-05 | 浦江次方环保科技有限公司 | Waste battery recovery device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180713 |
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| RJ01 | Rejection of invention patent application after publication |