CN110265624A - The preparation method of lithium ion battery anode glue size - Google Patents
The preparation method of lithium ion battery anode glue size Download PDFInfo
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- CN110265624A CN110265624A CN201910605106.7A CN201910605106A CN110265624A CN 110265624 A CN110265624 A CN 110265624A CN 201910605106 A CN201910605106 A CN 201910605106A CN 110265624 A CN110265624 A CN 110265624A
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- lithium ion
- ion battery
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- battery anode
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- 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
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- 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
- H01M10/058—Construction or manufacture
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- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
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- 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
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- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The present invention provides a kind of preparation methods of lithium ion battery anode glue size, comprising the following steps: S1, is mixed and stirred for dispersing by positive electrode active materials, conductive agent and bonding agent, obtains mixture；S2, solvent is divided at least two parts, and pours into the mixture and stirs in batches, obtain thick slurry material；S3, by the thick slurry material high-speed stirred, obtain smart slurry material.The preparation method of lithium ion battery anode glue size of the invention is first tentatively mixed positive electrode active materials, conductive agent and bonding agent using pulping process technology step by step.Then solvent is added portionwise slightly to be mixed, thick slurry material is obtained.It is mixed finally, thick slurry material is carried out essence, obtains smart slurry material.By using the mixed pulping process step by step of first thick mixed rear essence, the efficiency of mixing is effectively improved, whole mixing time is shortened.The preparation method can effectively improve the dispersing uniformity of Li-ion positive electrode slurry simultaneously, to effectively promote the cycle life of lithium ion battery.
Description
Technical field
The present invention relates to technical field of lithium-ion battery, more particularly to a kind of system of lithium ion battery anode glue size
Preparation Method.
Background technique
Heart of the lithium ion battery as electric car, development play key effect to the performance of electric car.Currently,
As new-energy automobile industry development is quick, the manufacturing cost of lithium ion battery how is reduced, extends the circulation of lithium ion battery
Service life has become the bottleneck for restricting new energy production capacity promotion and popularization.
The manufacture craft of lithium ion battery generally includes four slurrying, film, assembly, chemical conversion steps.Slurry as source
Material preparation, the quality for being homogenized stirring technique play conclusive effect to the performance of subsequent film and final finished battery.Mesh
Before, in existing lithium ion battery anode glue size preparation method, mixing time is too long, and slurry dispersion obtained is not uniform enough, if
Standby utilization rate is low, causes manually higher with equipment cost.Therefore, how existing homogenate technique is changed, to be promoted just
The efficiency of pole slurry preparation reduces lithium ion battery manufacturing cost, and optimizes the cycle performance of lithium ion battery, is worth deeply grinding
Study carefully.
Summary of the invention
It is an object of the present invention to solve the lithium ion battery anode glue size prepared in the prior art, mixing time mistake
Long, slurry dispersion obtained is not uniform enough, and utilization rate of equipment and installations is low, cause manually with the higher problem of equipment cost.
A further object of the present invention is to will be by using the preparation side of the lithium ion battery anode glue size of the application
Method promotes the cycle life of lithium ion battery.
Particularly, the present invention provides a kind of preparation methods of lithium ion battery anode glue size, comprising the following steps:
S1, positive electrode active materials, conductive agent and bonding agent are mixed and stirred for dispersing, obtain mixture；
S2, solvent is divided at least two parts, and pours into the mixture and stirs in batches, obtain thick slurry material；
S3, by the thick slurry material high-speed stirred, obtain smart slurry material.
Further, in step sl, the positive electrode active materials, the conductive agent and the bonding agent use double-planet
Blender is mixed and stirred for dispersing.
Further, in step sl, the revolving speed of the dispersion paddle of the double planetary mixer is 10-50 revs/min, dispersion impeller
Revolving speed be 0-50 revs/min.
Further, in step sl, the mixing time of the double planetary mixer is 0.8-1.2h.
Further, in step s 2, the solvent is divided into two parts, and is poured into the mixture and stirred in two batches.
Further, step S2 includes following sub-step:
The solvent that first parts by weight is 10%-30% is poured into S21, the mixture obtained in S1 and is stirred
It mixes, the revolving speed of the dispersion paddle is 10-50 revs/min, and the revolving speed of the dispersion impeller is 0-50 revs/min；
S22, after the completion of step S21, pour into the solvent of second batch remaining weight part and stir, obtain described thick mixed
The revolving speed of slurry, the dispersion paddle is 10-50 revs/min, and the revolving speed of the dispersion impeller is 1000-2000 revs/min.
Further, the mixing time of step S21 and step S22 are respectively 0.8-1.2h.
Further, in step s3, the thick slurry material is carried out smart mixed using high velocity dispersators, obtains smart slurry
Material.
Further, the revolving speed of the high velocity dispersators is 2000-4000 revs/min, mixing time 0.8-1.2h.
Further, the preparation method of the lithium ion battery anode glue size is further comprising the steps of:
The slurry that whether slurry viscosity of the essence slurry material and fineness reach qualified obtained in S4, testing procedure S3 is viscous
Degree and fineness；
Then slurrying terminates for S5, the slurry viscosity for the smart slurry material tested in step s 4 and fineness qualification, unqualified
Then return step S3 continues to stir.
The preparation method of lithium ion battery anode glue size of the invention, using pulping process technology step by step, firstly, will
Positive electrode active materials, conductive agent and bonding agent are mixed and stirred for dispersing, and obtain mixture.Then, solvent is divided at least two parts,
And pour into the mixture and stir in batches, obtain thick slurry material.Finally, it is mixed to be obtained essence for the thick slurry material high-speed stirred
Slurry.The preparation method of lithium ion battery anode glue size of the invention, using pulping process technology step by step, solid material
(positive electrode active materials, conductive agent and bonding agent) is first tentatively mixed.Then solvent is added portionwise slightly to be mixed, is slightly mixed
Slurry.Mixed finally, thick slurry material is carried out essence, obtain smart slurry material --- lithium ion battery anode glue size.By using first thick
The mixed pulping process step by step of essence, effectively improves the efficiency of mixing, shortens whole mixing time after mixed.Simultaneously by adopting
With the mixed preparation method of first thick mixed rear essence, the dispersing uniformity of Li-ion positive electrode slurry can effectively improve, to effectively be promoted
The cycle life of lithium ion battery.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the preparation flow figure of the preparation method of lithium ion battery anode glue size according to an embodiment of the present invention；
Fig. 2 is the cyclic curve of the lithium ion battery of lithium ion battery anode glue size preparation according to an embodiment of the present invention
Figure.
Specific embodiment
The preparation method of the lithium ion battery anode glue size of the embodiment of the present invention, comprising the following steps:
S1, positive electrode active materials, conductive agent and bonding agent are mixed and stirred for dispersing, obtain mixture；
S2, solvent is divided at least two parts, and pours into the mixture and stirs in batches, obtain thick slurry material；
S3, by the thick slurry material high-speed stirred, obtain smart slurry material.
That is, in the preparation method of the lithium ion battery anode glue size of the embodiment of the present invention, being used referring to Fig. 1
Pulping process technology step by step.It is possible, firstly, to positive electrode active materials, conductive agent and bonding agent are mixed and stirred for dispersing, just
Pole active material, conductive agent and bonding agent are respectively solid material, are easy to be stirred.By to positive electrode active materials, conduction
Agent and bonding agent are first tentatively mixed, and the efficiency for improving subsequent mixing is conducive to, and shorten the whole preparation time of technique.
Positive electrode active materials, conductive agent and bonding agent put into mixed process can preferably environment temperature be 20 DEG C -30 DEG C, it is relatively wet
The conditionity for spending RH≤20% carries out, and guarantees the Performance optimization of positive electrode active materials, conductive agent and bonding agent, is conducive to improve
The overall performance of pulp of lithium ion battery.
Then, solvent is added into the mixture of positive electrode active materials, conductive agent and bonding agent, solvent is segmented at least
Two parts, and be added portionwise in mixture and stir, obtain thick slurry material.That is, the solvent of the application is not disposable
It is added in the mixture of positive electrode active materials, conductive agent and bonding agent, and is divided into and is added at least twice, every a batch is added molten
All mixture is stirred after agent.Method by the way that solvent is added portionwise, can guarantee solvent and positive electrode active materials, conduction
The mixture of agent and bonding agent is more fully mixed, and slurry dispersion is more uniform, improves what Li-ion positive electrode slurry was mixed
Efficiency.
Finally, thick slurry material is carried out high-speed stirred, smart slurry material, that is, lithium ion battery anode glue size are obtained.
It should be noted that the application's is mainly to provide a kind of pulping process step by step, the positive-active of the application
Material can be one or more kinds of mixtures such as cobalt acid lithium, nickle cobalt lithium manganate, LiMn2O4, nickel cobalt aluminium.Conductive agent can be
One of conductive black, acetylene black or electrically conductive graphite are a variety of.Bonding agent can be polyvinylidene fluoride (PVDF), polytetrafluoro
Ethylene or butylbenzene.Solvent is N-Methyl pyrrolidone, N,N-dimethylformamide, N, N- diethylformamide or tetrahydrofuran.
The preparation method of lithium ion battery anode glue size of the invention as a result, using pulping process technology step by step, Gu
Body raw material (positive electrode active materials, conductive agent and bonding agent) is first tentatively mixed.Then solvent is added portionwise slightly to be mixed, obtains
To thick slurry material.Mixed finally, thick slurry material is carried out essence, obtain smart slurry material --- lithium ion battery anode glue size.By adopting
With the mixed pulping process step by step of first thick mixed rear essence, the efficiency of mixing is effectively improved, whole mixing time is shortened.Simultaneously
By using the mixed preparation method of first thick mixed rear essence, the dispersing uniformity of Li-ion positive electrode slurry can effectively improve, to have
Effect promotes the cycle life of lithium ion battery.
According to one embodiment of present invention, in step sl, positive electrode active materials, conductive agent and bonding agent use duplicate rows
Star blender is mixed and stirred for dispersing.That is, positive electrode active materials, conductive agent and bonding agent can successively put into double-planet
It is mixed in blender, the initial mixture dispersed.Double planetary mixer can carry out rotation and revolution simultaneously,
Double planetary mixer is particularly suitable for the stirring of viscous body raw material, and material mixes sufficiently after double planetary mixer stirs, and dispersion is equal
It is even, be conducive to the stirring efficiency for improving Li-ion positive electrode slurry, guarantee the dispersing uniformity of Li-ion positive electrode slurry, thus effectively
Promote the cycle life of lithium ion battery.
According to a preferred embodiment of the present invention, in step sl, the revolving speed of the dispersion paddle of double planetary mixer is 10-
50 revs/min, the revolving speed of dispersion impeller is 0-50 revs/min.The mixing time of double planetary mixer is 0.8-1.2h.In other words, originally
In preliminary mixed process, positive electrode active materials, conductive agent and bonding agent stir the Li-ion positive electrode slurry of application in double-planet
The revolving speed stirred in machine is that the revolving speed of dispersion paddle is 10-50 revs/min, and the revolving speed of dispersion impeller is 0-50 revs/min.Mixing time is
0.8-1.2h.After first the positive electrode active materials of solid material, conductive agent and bonding agent are stirred in double planetary mixer
The available uniform initial mixture of dispersion mixing, is conducive to the efficiency for improving subsequent mixing, shortens the entirety of technique
Preparation time, also just can be improved utilization rate of equipment and installations, reduce manually and equipment cost.
In certain specific embodiments of the invention, step S2, to the mixed of positive electrode active materials, conductive agent and bonding agent
It closes in object and solvent is added, solvent is segmented into two parts, pours into the mixture of positive electrode active materials, conductive agent and bonding agent in two batches
Middle stirring.Every a batch is all stirred mixture after solvent is added.Method by the way that solvent is added portionwise, can guarantee solvent
It is more fully mixed with the mixture of positive electrode active materials, conductive agent and bonding agent, slurry dispersion is more uniform, improves lithium ion
The efficiency that anode sizing agent is mixed.Preferably, the parts by weight of first solvent poured into are 10%-30%, by 10%-30%
The solvent of parts by weight first pours into the mixture of positive electrode active materials, conductive agent and bonding agent, meanwhile, in double planetary mixer
The revolving speed for dispersing paddle is 10-50 revs/min, and the revolving speed of dispersion impeller continuess to mix stirring under conditions of being 0-50 revs/min.Stir 0.8-
After 1.2h, the solvent of second batch remaining weight part is poured into the mixed slurry of above-mentioned stirring, meanwhile, in point of double planetary mixer
The revolving speed for dissipating paddle is 10-50 revs/min, and the revolving speed of dispersion impeller is 1000-2000 revs/min.Continue after stirring 0.8-1.2h, obtains thick
Slurry material.Method by the way that solvent is added into double planetary mixer in two batches, can guarantee solvent and positive electrode active materials, lead
The mixture of electric agent and bonding agent is more fully mixed, and slurry dispersion is more uniform, is improved Li-ion positive electrode slurry and is mixed
Efficiency.
According to a preferred embodiment of the present invention, in step s3, thick slurry material is carried out using high velocity dispersators
Essence is mixed, obtains smart slurry material.That is, the present invention is transferred to height after obtaining thick slurry material by the way that stirring solvent is added portionwise
In fast dispersator, the mixed processing of further essence is carried out to above-mentioned thick slurry material.In the mixed treatment process of essence, high velocity dispersators
Revolving speed be 2000-4000 revs/min, mixing time 0.8-1.2h.By can be with after the high-speed stirred of high velocity dispersators
Obtain the lithium ion battery anode glue size of the application.The preparation method of lithium ion battery anode glue size of the invention, by using
Pulping process technology step by step, solid material (positive electrode active materials, conductive agent and bonding agent) are first tentatively mixed.Then
Solvent is added portionwise slightly to be mixed, thick slurry material is obtained.Mixed finally, thick slurry material is carried out essence, obtain smart slurry material --- lithium
Ion battery anode sizing agent.By using the mixed pulping process step by step of first thick mixed rear essence, the efficiency of mixing is effectively improved,
Shorten whole mixing time.Entire mixing time about in 3.2-4h, mixing time in the prior art all in 4h or more, by
This as it can be seen that lithium ion battery anode glue size of the invention preparation method, substantially reduce mixing time.Simultaneously by using elder generation
The mixed preparation method of essence, can effectively improve the dispersing uniformity of Li-ion positive electrode slurry after thick mixed, thus effectively promoted lithium from
The cycle life of sub- battery.
In certain specific embodiments of the invention, the preparation method of lithium ion battery anode glue size further includes following step
It is rapid:
The slurry that whether slurry viscosity of the essence slurry material and fineness reach qualified obtained in S4, testing procedure S3 is viscous
Degree and fineness；
Then slurrying terminates for S5, the slurry viscosity for the smart slurry material tested in step s 4 and fineness qualification, unqualified
Then return step S3 continues to stir.
That is, the preparation method of lithium ion battery anode glue size of the invention, after the completion of smart slurry material, Ke Yixian
The slurry viscosity and fineness of smart slurry material are measured, if the slurry viscosity of the smart slurry material of test and fineness are qualified,
Complete the preparation of lithium ion battery anode glue size.If the result of test is unqualified, can be by smart slurry material in high speed dispersion
Continue the mixed processing of essence in blender, until the smart slurry material of test is qualified, guarantees every a collection of lithium ion battery of preparation just
Pole slurry can be with good performance, guarantees that performance of lithium ion battery is excellent.
Referring to fig. 2, the lithium ion battery anode glue size prepared by the preparation method of the embodiment of the present invention, the lithium finally prepared
The cycle-index of ion battery can reach 3000 circles or more, and can also be maintained at when being recycled to 3000 circle 0.8 with
On.It follows that the lithium ion battery that the preparation method of lithium ion battery anode glue size is prepared according to embodiments of the present invention
Positive electrode has excellent battery performance.
To sum up, the preparation method of lithium ion battery anode glue size of the invention, using pulping process skill step by step
Art, solid material (positive electrode active materials, conductive agent and bonding agent) are first tentatively mixed.Then solvent is added portionwise to carry out slightly
It is mixed, obtain thick slurry material.Mixed finally, thick slurry material is carried out essence, obtain smart slurry material --- lithium ion battery anode glue size.It is logical
The step by step pulping process mixed using first thick mixed rear essence is crossed, the efficiency of mixing is effectively improved, shortens whole mixing time.
Preparation method mixed by using first thick mixed rear essence simultaneously, can effectively improve the dispersing uniformity of Li-ion positive electrode slurry, from
And effectively promote the cycle life of lithium ion battery.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (10)
1. a kind of preparation method of lithium ion battery anode glue size, which comprises the following steps:
S1, positive electrode active materials, conductive agent and bonding agent are mixed and stirred for dispersing, obtain mixture；
S2, solvent is divided at least two parts, and pours into the mixture and stirs in batches, obtain thick slurry material；
S3, by the thick slurry material high-speed stirred, obtain smart slurry material.
2. the preparation method of lithium ion battery anode glue size according to claim 1, which is characterized in that
In step sl, the positive electrode active materials, the conductive agent and the bonding agent are mixed simultaneously using double planetary mixer
It is dispersed with stirring.
3. the preparation method of lithium ion battery anode glue size according to claim 2, which is characterized in that
In step sl, the revolving speed of the dispersion paddle of the double planetary mixer is 10-50 revs/min, and the revolving speed of dispersion impeller is 0-50
Rev/min.
4. the preparation method of lithium ion battery anode glue size according to claim 2, which is characterized in that
In step sl, the mixing time of the double planetary mixer is 0.8-1.2h.
5. the preparation method of lithium ion battery anode glue size according to claim 2, which is characterized in that in step s 2,
The solvent is divided into two parts, and is poured into the mixture and stirred in two batches.
6. the preparation method of lithium ion battery anode glue size according to claim 5, which is characterized in that step S2 include with
Lower sub-step:
In S21, the mixture obtained in S1, pours into the solvent that first parts by weight is 10%-30% and stirs,
The revolving speed of the dispersion paddle is 10-50 revs/min, and the revolving speed of the dispersion impeller is 0-50 revs/min；
S22, after the completion of step S21, pour into the solvent of second batch remaining weight part and stir, obtain the thick slurry
The revolving speed of material, the dispersion paddle is 10-50 revs/min, and the revolving speed of the dispersion impeller is 1000-2000 revs/min.
7. the preparation method of lithium ion battery anode glue size according to claim 6, which is characterized in that
The mixing time of step S21 and step S22 are respectively 0.8-1.2h.
8. the preparation method of lithium ion battery anode glue size according to claim 1, which is characterized in that
In step s3, the thick slurry material is carried out smart mixed using high velocity dispersators, obtains smart slurry material.
9. the preparation method of lithium ion battery anode glue size according to claim 8, which is characterized in that
The revolving speed of the high velocity dispersators is 2000-4000 revs/min, mixing time 0.8-1.2h.
10. the preparation method of lithium ion battery anode glue size according to claim 1, which is characterized in that further include following
Step:
The slurry viscosity of the essence slurry material and fineness obtained in S4, testing procedure S3 whether reach qualified slurry viscosity and
Fineness；
Then slurrying terminates for S5, the slurry viscosity for the smart slurry material tested in step s 4 and fineness qualification, unqualified, returns
Step S3 is returned to continue to stir.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111632509A (en) * | 2020-05-21 | 2020-09-08 | 桑顿新能源科技(长沙)有限公司 | Homogenizing method of lithium ion battery anode slurry |
| CN111816844A (en) * | 2020-08-21 | 2020-10-23 | 安瑞创新(厦门)能源有限公司 | Positive lithium iron phosphate material slurry and pulping method thereof |
| CN114725310A (en) * | 2022-04-11 | 2022-07-08 | 湖南钠方新能源科技有限责任公司 | Positive electrode slurry and preparation method thereof, positive plate and secondary battery |
| CN115050949A (en) * | 2022-08-11 | 2022-09-13 | 楚能新能源股份有限公司 | Positive electrode slurry, preparation method thereof and lithium ion battery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105561858A (en) * | 2015-12-17 | 2016-05-11 | 中天储能科技有限公司 | Control system for automatically adjusting viscosity of lithium battery slurry |
| CN107895776A (en) * | 2017-11-28 | 2018-04-10 | 山西长征动力科技有限公司 | A kind of preparation method of efficiently pulp of lithium ion battery |
| CN109638247A (en) * | 2018-12-10 | 2019-04-16 | 江苏天鹏电源有限公司 | A kind of pulping process of nickelic ternary lithium battery |
-
2019
- 2019-07-05 CN CN201910605106.7A patent/CN110265624A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105561858A (en) * | 2015-12-17 | 2016-05-11 | 中天储能科技有限公司 | Control system for automatically adjusting viscosity of lithium battery slurry |
| CN107895776A (en) * | 2017-11-28 | 2018-04-10 | 山西长征动力科技有限公司 | A kind of preparation method of efficiently pulp of lithium ion battery |
| CN109638247A (en) * | 2018-12-10 | 2019-04-16 | 江苏天鹏电源有限公司 | A kind of pulping process of nickelic ternary lithium battery |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111632509A (en) * | 2020-05-21 | 2020-09-08 | 桑顿新能源科技(长沙)有限公司 | Homogenizing method of lithium ion battery anode slurry |
| CN111816844A (en) * | 2020-08-21 | 2020-10-23 | 安瑞创新(厦门)能源有限公司 | Positive lithium iron phosphate material slurry and pulping method thereof |
| CN114725310A (en) * | 2022-04-11 | 2022-07-08 | 湖南钠方新能源科技有限责任公司 | Positive electrode slurry and preparation method thereof, positive plate and secondary battery |
| CN115050949A (en) * | 2022-08-11 | 2022-09-13 | 楚能新能源股份有限公司 | Positive electrode slurry, preparation method thereof and lithium ion battery |
| CN115050949B (en) * | 2022-08-11 | 2022-11-04 | 楚能新能源股份有限公司 | Positive electrode slurry, preparation method thereof and lithium ion battery |
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