CN106505206A - A kind of method that affluxion body in lithium ion batteries utter misery aluminium foil is prepared as raw material with metallurgical coke - Google Patents
A kind of method that affluxion body in lithium ion batteries utter misery aluminium foil is prepared as raw material with metallurgical coke Download PDFInfo
- Publication number
- CN106505206A CN106505206A CN201610954216.0A CN201610954216A CN106505206A CN 106505206 A CN106505206 A CN 106505206A CN 201610954216 A CN201610954216 A CN 201610954216A CN 106505206 A CN106505206 A CN 106505206A
- Authority
- CN
- China
- Prior art keywords
- metallurgical coke
- aluminium foil
- lithium ion
- ion batteries
- prepared
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/663—Selection of materials containing carbon or carbonaceous materials as conductive part, e.g. graphite, carbon fibres
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
- H01M4/667—Composites in the form of layers, e.g. coatings
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The present invention discloses a kind of method for preparing affluxion body in lithium ion batteries utter misery aluminium foil as raw material with metallurgical coke, and the bulky grain metallurgical coke of particle diameter≤3mm is first finely ground to particle diameter for 1 10 m by which；Metallurgical coke addition acid solution is carried out an acidolysis, being subsequently placed in hydrofluoric acid solution carries out secondary acidolysis, be sequentially placed in aqueous slkali, deionized water and wash, filtered；Metallurgical coke after by filtration is mixed with grinding aid carries out ultra-fine ball milling, 5 10h of Ball-milling Time, and the particle diameter to metallurgical coke is 20 50nm, dries；Close slurry；Slurry is uniformly coated on aluminium foil, that is, obtain affluxion body in lithium ion batteries utter misery aluminium foil.The present invention causes the granule of metallurgical coke to refine to greatest extent using ultra-fine ball grinding technique, increases the contact area of coke powder granule and collector；It is obviously improved the electrical property of lithium ion battery.It is an advantage of the current invention that reducing the manufacturing cost of affluxion body in lithium ion batteries utter misery aluminium foil, on the other hand the high value added utilization also for metallurgical coke opens up new way.
Description
Technical field
The invention belongs to lithium ion battery collector preparation field, and in particular to a kind of with metallurgical coke as raw material preparation
The method of affluxion body in lithium ion batteries utter misery aluminium foil.
Background technology
With energetically support and guiding of the country to new-energy automobile, new-energy automobile obtains fast development, with this phase
Contacted is the demand surge of lithium-ion-power cell, while also the performance of lithium ion battery is put forward higher requirement,
Reduces cost and raising performance are the developing goals of lithium ion battery industry in this context.And put forward one of high performance approach just
It is by increasing the contact area of collector and active particle thing and then improving turning for electronics in lithium ion battery charge and discharge process
Shifting ability and then the chemical property of lifting lithium ion battery.It is an effective side that utter misery aluminium foil technology is proved
Method, but the price of utter misery aluminium foil is up to the present still high, this is the reason for causing lithium ion battery to hold at high price
One of, therefore, on the premise of utter misery aluminium foil can be substantially improved performance of lithium ion battery, how to reduce its manufacturing cost is lithium
The problem that battery enterprise must solve.This is also that this one drops in lithium battery in the case where public subsidies policy is come down year by year
Bar approach.
And compared with lithium battery industry development trend at the top of one's power and career, biggest manufacturer iron and steel enterprise but carry over many in the past
Year dispirited, face the problems such as production capacity surplus, environmental pollution, the wasting of resources, particularly in the profit of metallurgical solid waste
Use, metallurgical coke that dirt mud, coking and the quenching process that the gas mud of such as Iron-smelting, steelmaking process are produced is produced etc.,
Although most enterprises are also utilized carrying out an interior circulation, Many times which is banked up in a large number because of effect on driving birds is not good or for
The low value-added utilization such as pave the way, cause the waste of resource and the pollution of environment.
Metallurgical coke is the solid dust produced during coking and quenching, with a large amount of productions and the yield of iron and steel
Can also roll up, its main component is carbon, and also a small amount of ash grades.The main object of the present invention is to discard metallurgy industry
Metallurgical coke carry out Physical Processing and chemical process, the utter misery aluminium foil being prepared into used by affluxion body in lithium ion batteries, both
The cost of lithium ion battery can be reduced, can solve again iron and steel enterprise environmental pollution and the wasting of resources the problems such as.
Content of the invention
It is an object of the invention to overcoming the defect that prior art is present, there is provided one kind prepares lithium with metallurgical coke as raw material
The method of ion battery collector utter misery aluminium foil.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of method for preparing affluxion body in lithium ion batteries utter misery aluminium foil as raw material with metallurgical coke, including step：
(1) the bulky grain metallurgical coke of particle diameter≤3mm is finely ground to particle diameter for 1-10 μm；
(2) acid solution is placed in 80 DEG C of water-baths, adds the metallurgical coke after fine grinding to carry out an acidolysis, stir 1-2h,
Sucking filtration, collects filter cake；Hydrofluoric acid solution is placed in 50 DEG C of water-baths, adds the filter cake after an acidolysis to carry out secondary acidolysis,
Stirring 1-2h, sucking filtration obtain quadratic acid decomposition smelting coke powder；
(3) quadratic acid decomposition smelting coke powder is sequentially placed in aqueous slkali, deionized water and is washed, filtered；
(4) by filtration after metallurgical coke mix with grinding aid and carry out ultra-fine ball milling, Ball-milling Time 5-10h, to metallurgical coke
The particle diameter of powder is 20-50nm, dries；
(5) compare metallurgical coke according to quality:Binding agent:Dispersant:Solvent=40:5:1-2:53-54, dispersant is dissolved in
Solvent, stirs, and adds step (4) metallurgical coke, disperses at a high speed, adds binding agent, and stir to obtain slurry；
(6) slurry that step (5) is obtained is uniformly coated on aluminium foil, aluminium foil is dual coating, at a temperature of 120 DEG C
Be 10-12h to be dried under alternate environments of the 0.02-0.09MPa with inflated with nitrogen in vacuum, that is, obtain affluxion body in lithium ion batteries painting
Charcoal aluminium foil.
Preferably, step (1) fine grinding is to carry out grinding using pendulum-type flour mill or entered using planetary ball mill
Row ball milling, grinding time 100-180s；Ball milling speed 350r/min, Ball-milling Time 5-6h.
Preferably, step (2) acid solution is hydrochloric acid or salpeter solution, and the acid strength is 1mol/L；The hydrogen fluorine
Acid solutions are 1mol/L.
Preferably, step (3) aqueous slkali be sodium hydroxide, potassium hydroxide, a kind of in ammonia spirit, the concentration of aqueous slkali is
0.1mol/L.
Preferably, the mill ball particle diameter of the super fine grinding of step (4) is 3mm, 5mm, 10mm, 15mm；Grinding aid is anhydrous second
The mixing of one or more in alcohol or triethanolamine, triisopropanolamine, ethylene glycol, diethylene glycol.
Preferably, described step (4) drying condition is：150 DEG C of temperature, vacuum are that 0.02-0.09MPa is protected with inflated with nitrogen
Retaining ring border alternately dries 10h.
Preferably, step (5) high speed rate of dispersion is 6000-7500r/min.Slurry close slurry can take oil system close slurry or
Person's water system close slurry, oil system close slurry with N-Methyl pyrrolidone as solvent, with Kynoar as binding agent, with polypropylene glycol for divide
Powder, first carries out conventional conjunction and starches, then carry out dispersed ultrafine, it is ensured that granule or aggregate are evenly dispersed；
Water system closes slurry, with deionized water as solvent, with sodium carboxymethyl cellulose as thickening agent, with butadiene-styrene rubber as bonding
Agent, sub- sodium silicate are dispersant, carry out conventional conjunction first and starch, then carry out dispersed ultrafine process.
Preferably, step (6) coating speed is 2-5m/min.
Preferably, step (6) aluminium foil carries out sided corona treatment or surface clean before coating, surface clean include pickling,
Alkali cleaning.
Beneficial effects of the present invention：Fine grinding mode be this invention takes so that the chain carrier in coke powder exposes
Come, be easy to follow-up acidolysis remove impurity；The impurity of different solubilities property and acid hemolysis process is divided into two steps and carries out, is successively removed, is reached
Arrive metallurgical coke chemical composition purification to greatest extent；Washed using dilute alkaline soln, remove the acid anion of remaining in coke powder；
The granule of metallurgical coke is refined to greatest extent, increase the contact surface of coke powder granule and collector
Product；The slurry preparation process first step takes conventional conjunction to starch step, and second step takes dispersed ultrafine technology starch to greatest extent
Material is uniformly dispersed；Coating process takes ultra-thin coating, and after drying, coating thickness is 2-3 μm, after having substantially no effect on lithium ion battery
The courses of processing such as the welding of continuous manufacturing process, are obviously improved the electrical property of lithium ion battery.
It is an advantage of the current invention that the manufacturing cost of affluxion body in lithium ion batteries utter misery aluminium foil is reduced, on the other hand
High value added utilization for metallurgical coke opens up new way.
Description of the drawings
Fig. 1 is the process chart that the present invention prepares affluxion body in lithium ion batteries utter misery aluminium foil with metallurgical coke as raw material；
Fig. 2 is the affluxion body in lithium ion batteries utter misery aluminium foil that the embodiment of the present invention 1 is prepared with metallurgical coke as raw material
SEM figure；
Fig. 3 be embodiment 1 prepare utter misery aluminium foil be collector prepared by iron phosphate lithium positive pole piece with normal aluminium foil
The peel strength comparison diagram of pole piece after iron phosphate lithium positive pole piece roll-in prepared by collector.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Table 1 show the chemical composition of metallurgical coke, can be seen that in metallurgical coke from the chemical composition of metallurgical coke and connects
Nearly 80% is carbon, is the charcoal source for preparing utter misery aluminium foil, and table 2 show the composition of ash in metallurgical coke, is the acid of metallurgical coke
Solution remove impurity provides foundation.
Embodiment 1
As shown in figure 1, a kind of method that affluxion body in lithium ion batteries utter misery aluminium foil is prepared as raw material with metallurgical coke, including
Following steps：
The first step, takes the metallurgical coke that 100g is shipped from iron and steel enterprise, and being put in pendulum-type flour mill carries out grinding 180s, uses
The granularity of the metallurgical coke after laser dynamics instrument test grinding, as particle diameter is still larger, needs to carry out secondary grinding, until coke powder
Particle diameter refine at 1-10 μm；
Second step, configures the dilute hydrochloric acid solution 350ml of lmol/L, is placed in 80 DEG C of water-baths, is slowly added to abundant grinding
Metallurgical coke do not stop to stir, continue 1-2h, after fully reacting, carry out sucking filtration using buchner funnel, filtrate can be carried out
To prepare other chemical reagent, filter cake carries out quadratic acid solution after collecting to purification；The dilute hydrofluoric acid solution 700ml of configuration lmol/L,
It is placed in 50 DEG C of water-baths, is slowly added to the metallurgical coke filter cake after first time acidolysis, do not stop to stir, continues 1-2h,
After fully reacting, sucking filtration is carried out using buchner funnel, filtrate can equally carry out purification and prepare the chemical reagent such as hexafluosilicic acid.Two
The equation difference of secondary acidolysis dominant response is as follows：
First time acidolysis：Al2O3+ 6HCl=2AlCl3+3H20 (1)
CaO+2HCl=CaCl2+H2O (2)
MgO+2HCl=MgCl2+H2O (3)
FeO+2HCl=FeCl2+H2O (4)
Fe+2HCl=FeCl2+H2↑ (5)
Second acidolysis：SiO2+ 6HF=H2SiF6+2H2O (6)
3rd step：Configuration concentration is the dilute NaOH solution of 0.1mol/L, and the metallurgical coke after acidolysis twice is put into
Do not stop to stir in dilute NaOH solution, filtered again, then again metallurgical coke is put in deionized water and is stirred,
Finally filter and obtain the pure coke of chemical composition.
4th step, the metallurgical coke for obtaining is added in ball grinder, dehydrated alcohol grinding aid is added, and ball milling 5h, using SEM
The appearance of observation metallurgical coke and the particle diameter of measuring and calculating metallurgical coke, until the particle diameter of metallurgical coke is in 20-50nm；
5th step, by the metallurgical coke after ultra-fine ball milling in 150 DEG C of temperature, vacuum is 0.02-0.09MPa and fill
Nitrogen environmental protection alternately dries 10h, removes the volatile components such as the grinding aid of coke surface；
6th step, according to mass ratio：M (coke):M (binding agent PVDF):M (dispersant):M (solvent NMP)=40:5:2:
53 by prepared smelter coke even slurry, and preparation process is as follows：First dispersant is equably dissolved in solvent NMP, and
Stir, and carry out froth breaking under vacuum, finally prepared metallurgical coke is uniformly added into, stir standby
With；
7th step, above-mentioned prepared slurry is transferred in vertical shearing fine dispersion machine carries out high speed dispersion, turns
Speed is 7000r/min, and slurry crossed 4 times in dispersion machine high speed, is completely dispersed the aggregate in slurry, then according to above-mentioned
Ratio adds binding agent PVDF, then with churned mechanically mode mix homogeneously in dispersion machine, then by prepared slurry
Sieving for standby after vacuum froth breaking；
Prepared slurry is uniformly coated in surface on the aluminium foil of sided corona treatment, coating speed 5m/ by the 8th step
Min, one side repaste the second face after being painted with, and prepare the aluminium foil of dual coating charcoal, and dual coating will be prepared after completing
Utter misery aluminium foil drying time 10h under the alternate environment that vacuum is 0.02-0.09MPa and inflated with nitrogen at a temperature of 120 DEG C, i.e.,
Prepare the utter misery aluminium foil that can be used for used by affluxion body in lithium ion batteries.
Fig. 2 is the affluxion body in lithium ion batteries utter misery aluminium foil that the embodiment of the present invention 1 is prepared with metallurgical coke as raw material
SEM figures, as can be seen from Figure 2 the coke of prepared subparticle be evenly dispersed in aluminium foil surface, soilless sticking and dew paper tinsel
Phenomenon.
Fig. 3 be embodiment 1 prepare utter misery aluminium foil be collector prepared by iron phosphate lithium positive pole piece with normal aluminium foil
The peel strength contrast of pole piece after iron phosphate lithium positive pole piece roll-in prepared by collector, wherein only current collector aluminum foil is not
With other materials are just the same with course of processing parameter.It can be seen that being collector using utter misery aluminium foil from comparison diagram
It is the prepared iron phosphate lithium positive pole piece of collector that iron phosphate lithium positive pole piece peel strength is substantially better than using normal aluminium foil
Peel strength, and stronger peel strength shows that positive active particles etc. are stronger with the adhesion of collector, the internal resistance of cell is lower,
The chemical property of battery such as high rate performance, cycle performance etc. all can be more excellent.
Embodiment 2
The first step, takes the metallurgical coke that 100g is shipped from iron and steel enterprise, and being put in planetary ball mill carries out ball milling 5h, ball
Mill speed 350r/min, the granularity of the metallurgical coke that is tested after grinding with laser particle analyzer, as particle diameter is still larger, need to carry out
Secondary ball milling, until the particle diameter of coke powder is at 1-10 μm；
Second step, configures dilute HNO3 solution 350ml of lmol/L, is placed in 80 DEG C of water-baths, is slowly added to abundant ball milling
Metallurgical coke do not stop to stir, continue 1-2h, after fully reacting, carry out sucking filtration using buchner funnel, filtrate can be carried out
To prepare other chemical reagent, filter cake carries out quadratic acid solution after collecting to purification；The dilute hydrofluoric acid solution 700ml of configuration lmol/L,
It is placed in 50 DEG C of water-baths, is slowly added to the metallurgical coke filter cake after first time acidolysis, do not stop to stir, continues 1-2h,
After fully reacting, sucking filtration is carried out using buchner funnel, filtrate can equally carry out purification and prepare the chemical reagent such as hexafluosilicic acid.Two
The equation difference of secondary acidolysis dominant response is as follows：
First time acidolysis：Al2O3+6HNO3==2Al (NO3)3+3H20 (1)
CaO+2HNO3=Ca (NO3)2+H2O (2)
MgO+2HNO3=Mg (NO3)2+H2O (3)
FeO+2HNO3=Fe (NO3)2+H2O (4)
Fe+2HNO3=Fe (NO3)2+H2↑ (5)
Second acidolysis：SiO2+ 6HF=H2SiF6+2H2O (6)
3rd step, configuration concentration are the dilute ammonia solution of 0.1mol/L, and the metallurgical coke after acidolysis twice is put into
Do not stop to stir in dilute ammonia solution, filtered again, then again metallurgical coke is put in deionized water and is stirred,
Finally filter and obtain the pure coke of chemical composition.
4th step, the metallurgical coke for obtaining is added in ball grinder, grinding aid triisopropanolamine, ethylene glycol, ball milling is added
10h, observes the appearance of metallurgical coke and the particle diameter of measuring and calculating metallurgical coke, until the particle diameter of metallurgical coke is in 20- using SEM
50nm；
5th step, by the metallurgical coke after ultra-fine ball milling in 150 DEG C of temperature, vacuum 0.02-0.09MPa and nitrogen charging
Gas shielded environment alternately dries 10h, removes the volatile components such as the grinding aid of coke surface；
6th step, according to mass ratio：M (coke)：M (binding agents：SBR)：M (dispersants：NaSiO3)：M (solvents：Ion
Water)：M (thickening agents：CMC)=40:5:1:53:1, by prepared smelter coke even slurry, preparation process is as follows：First will
Dispersant NaSiO3, thickening agent CMC be equably dissolved in solvent deionized water, stir, and disappeared under vacuum
Prepared metallurgical coke is finally uniformly added into by bubble, standby after stirring；
7th step, above-mentioned prepared slurry is transferred in vertical shearing fine dispersion machine carries out high speed dispersion, turns
Speed is 6500r/min, and slurry crossed 4 times in dispersion machine high speed, is completely dispersed the aggregate in slurry, then according to above-mentioned
Ratio adds binding agent SBR in dispersion machine with churned mechanically mode mix homogeneously, and then prepared slurry vacuum disappears
Sieving for standby after bubble；
8th step, after being uniformly coated in prepared slurry surface through peracid treatment and alkali process and clean and dry
Aluminium foil on, coating speed 2m/min, one side be painted with after repaste the second face, prepare the aluminium foil of dual coating charcoal, two-sided painting
Cover after completing by prepared utter misery aluminium foil at a temperature of 120 DEG C in the friendship that vacuum is 0.02-0.09MPa and inflated with nitrogen
For drying time 12h under environment, that is, prepare the utter misery aluminium foil that can be used for used by affluxion body in lithium ion batteries.
The chemical composition of 1 coke powder of table
| Coke powder | Fixed carbon | Moisture | Ash | Volatile matters | Sulphur content |
| Weight/% | 78.52 | 2.56 | 14.67 | 3.45 | 0.8 |
The content of each ash composition in 2 coke powder of table
| Composition | T.Fe | SiO2 | Al2O3 | CaO | MgO | K2O | Na2O | Other |
| Content/% | 5.30 | 45.68 | 31.59 | 3.49 | 0.76 | 0.51 | 0.41 | 12.26 |
Claims (9)
1. a kind of method that affluxion body in lithium ion batteries utter misery aluminium foil is prepared as raw material with metallurgical coke, it is characterised in that include
Following steps：
（1）The bulky grain metallurgical coke of particle diameter≤3mm is finely ground to particle diameter for 1-10 m；
（2）Acid solution is placed in 80 DEG C of water-baths, adds the metallurgical coke after fine grinding to carry out an acidolysis, stir 1-2h, sucking filtration,
Collect filter cake；Hydrofluoric acid solution is placed in 50 DEG C of water-baths, is added the filter cake after an acidolysis to carry out secondary acidolysis, is stirred 1-
2h, sucking filtration obtain quadratic acid decomposition smelting coke powder；
（3）Quadratic acid decomposition smelting coke powder is sequentially placed in aqueous slkali, deionized water and is washed, filtered；
（4）Metallurgical coke after by filtration is mixed with grinding aid carries out ultra-fine ball milling, and Ball-milling Time 5-10h, to metallurgical coke
Particle diameter is 20-50nm, dries；
（5）Compare metallurgical coke according to quality:Binding agent:Dispersant:Solvent=40:5:1-2:Dispersant is dissolved in solvent by 53-54,
Stir, add step（4）Metallurgical coke, disperses at a high speed, adds binding agent, and stir to obtain slurry；
（6）By step（5）The slurry for obtaining is uniformly coated on aluminium foil, and aluminium foil is dual coating, true at a temperature of 120 DEG C
Reciprocal of duty cycle is 0.02-0.09MPa and drying 10-12h under the alternate environment of inflated with nitrogen, that is, obtain affluxion body in lithium ion batteries utter misery aluminum
Paper tinsel.
2. the method that affluxion body in lithium ion batteries utter misery aluminium foil is prepared as raw material with metallurgical coke according to claim 1,
Characterized in that, step（1）The fine grinding is to carry out grinding using pendulum-type flour mill or carry out ball using planetary ball mill
Mill, grinding time 100-180s；Ball milling speed 350r/min, Ball-milling Time 5-6h.
3. the method that affluxion body in lithium ion batteries utter misery aluminium foil is prepared as raw material with metallurgical coke according to claim 1,
Characterized in that, step（2）The acid solution is hydrochloric acid or salpeter solution, and the acid strength is 1mol/L；The Fluohydric acid. is molten
Liquid concentration is 1mol/L.
4. the method that affluxion body in lithium ion batteries utter misery aluminium foil is prepared as raw material with metallurgical coke according to claim 1,
Characterized in that, step（3）Aqueous slkali is sodium hydroxide, potassium hydroxide, a kind of in ammonia spirit, and the concentration of aqueous slkali is
0.1mol/L.
5. the method that affluxion body in lithium ion batteries utter misery aluminium foil is prepared as raw material with metallurgical coke according to claim 1,
Characterized in that, step（4）The mill ball particle diameter of super fine grinding is 3mm, 5mm, 10mm, 15mm；Grinding aid be dehydrated alcohol or
The mixing of one or more in person's triethanolamine, triisopropanolamine, ethylene glycol, diethylene glycol.
6. the method that affluxion body in lithium ion batteries utter misery aluminium foil is prepared as raw material with metallurgical coke according to claim 1,
Characterized in that, the step（4）Drying condition is：150 DEG C of temperature, vacuum are 0.02-0.09MPa and inflated with nitrogen protection ring
Border alternately dries 10h.
7. the method that affluxion body in lithium ion batteries utter misery aluminium foil is prepared as raw material with metallurgical coke according to claim 1,
Characterized in that, step（5）High speed rate of dispersion is 6000-7500r/min.
8. the method that affluxion body in lithium ion batteries utter misery aluminium foil is prepared as raw material with metallurgical coke according to claim 1,
Characterized in that, step（6）Coating speed is 2-5m/min.
9. the method that affluxion body in lithium ion batteries utter misery aluminium foil is prepared as raw material with metallurgical coke according to claim 1,
Characterized in that, the step（6）Aluminium foil carries out sided corona treatment or surface clean before coating, surface clean include pickling,
Alkali cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610954216.0A CN106505206A (en) | 2016-10-27 | 2016-10-27 | A kind of method that affluxion body in lithium ion batteries utter misery aluminium foil is prepared as raw material with metallurgical coke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610954216.0A CN106505206A (en) | 2016-10-27 | 2016-10-27 | A kind of method that affluxion body in lithium ion batteries utter misery aluminium foil is prepared as raw material with metallurgical coke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106505206A true CN106505206A (en) | 2017-03-15 |
Family
ID=58321229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610954216.0A Pending CN106505206A (en) | 2016-10-27 | 2016-10-27 | A kind of method that affluxion body in lithium ion batteries utter misery aluminium foil is prepared as raw material with metallurgical coke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106505206A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681160A (en) * | 2017-09-21 | 2018-02-09 | 合肥国轩高科动力能源有限公司 | A kind of preparation method of utter misery aluminium foil |
| CN112077144A (en) * | 2020-07-13 | 2020-12-15 | 乳源东阳光优艾希杰精箔有限公司 | Method for manufacturing aluminum alloy coating composite foil based on laser texturing method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361095A (en) * | 2011-10-24 | 2012-02-22 | 奇瑞汽车股份有限公司 | Lithium ion battery with high specific power and preparation method for same |
| CN103066243A (en) * | 2012-12-06 | 2013-04-24 | 中南大学 | Coke powder-based cathode material of lithium ion power battery and preparation method thereof |
-
2016
- 2016-10-27 CN CN201610954216.0A patent/CN106505206A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361095A (en) * | 2011-10-24 | 2012-02-22 | 奇瑞汽车股份有限公司 | Lithium ion battery with high specific power and preparation method for same |
| CN103066243A (en) * | 2012-12-06 | 2013-04-24 | 中南大学 | Coke powder-based cathode material of lithium ion power battery and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681160A (en) * | 2017-09-21 | 2018-02-09 | 合肥国轩高科动力能源有限公司 | A kind of preparation method of utter misery aluminium foil |
| CN112077144A (en) * | 2020-07-13 | 2020-12-15 | 乳源东阳光优艾希杰精箔有限公司 | Method for manufacturing aluminum alloy coating composite foil based on laser texturing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106711456B (en) | passivated metal lithium-carbon framework composite material, preparation method and application thereof | |
| CN103579596B (en) | The preparation method of lithium ion battery negative material | |
| CN109755500A (en) | A kind of silicon oxygen composite negative pole material and preparation method thereof | |
| CN105355877B (en) | A kind of graphene metal oxide composite cathode material and preparation method thereof | |
| CN103579616A (en) | Graphene coated lead powder composite material and application thereof | |
| CN104979542B (en) | A kind of modified lithium titanate composite material and preparation method and application | |
| CN103035881B (en) | Preparation method of graphene-silicon composite material | |
| CN102694152A (en) | Cathode active material and preparation method and lithium ion battery thereof | |
| CN110021747B (en) | Method for preparing lithium iron phosphate positive electrode material by taking acid-washed iron oxide red as raw material | |
| CN109148875A (en) | A kind of nickelic positive electrode and preparation method thereof | |
| CN102983317A (en) | Silicon-based composite material and preparation method thereof, silicon-carbon composite material and lithium ion battery | |
| CN110854379B (en) | Silicon-carbon composite negative electrode material and preparation method thereof, negative electrode plate and lithium ion battery | |
| CN111224187A (en) | Method for directly repairing and regenerating waste lithium iron phosphate battery positive electrode material | |
| CN103165876A (en) | A preparation method and applications of a lithium battery material with high rate performance | |
| CN104577113B (en) | A kind of graphene coated lithium ferric manganese phosphate positive electrode and preparation method thereof | |
| CN104767003B (en) | Accumulator plate smear operation lead mud deepens treatment for reuse method | |
| CN101275256B (en) | Method for preparing metal, alloy, metallic oxide and alloy oxide composite power by epitaxial cathode electrochemical codeposition technology | |
| CN108899545A (en) | A kind of mesoporous core-shell structure surface cladding lithium electricity tertiary cathode material and preparation method thereof | |
| CN106505206A (en) | A kind of method that affluxion body in lithium ion batteries utter misery aluminium foil is prepared as raw material with metallurgical coke | |
| CN113683071A (en) | Preparation method of high-rate lithium iron phosphate | |
| CN104302671B (en) | Electrode composition binding agent and the secondary cell containing the binding agent | |
| CN111204744B (en) | Graphene nano-material compound for lithium ion battery electrode and preparation method thereof | |
| CN106848192A (en) | Layered porous iron oxide electrode material and preparation method thereof, lithium ion cell electrode piece and preparation method thereof and lithium ion battery | |
| CN109378458A (en) | It is a kind of to utilize the clay standby anode material of lithium-ion battery ZnS/C-SnO of tin2Method | |
| CN102583297A (en) | Method for recycling lithium ion battery cathode material lithium iron phosphate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | 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: 20170315 |
|
| RJ01 | Rejection of invention patent application after publication |