CN108470881A - Electromagnet pole piece, its production method, and include its battery - Google Patents
Electromagnet pole piece, its production method, and include its battery Download PDFInfo
- Publication number
- CN108470881A CN108470881A CN201810234782.3A CN201810234782A CN108470881A CN 108470881 A CN108470881 A CN 108470881A CN 201810234782 A CN201810234782 A CN 201810234782A CN 108470881 A CN108470881 A CN 108470881A
- Authority
- CN
- China
- Prior art keywords
- pole piece
- electrode layer
- substrate
- electromagnet pole
- electrode
- 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.)
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Classifications
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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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
-
- 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
- H01M10/04—Construction or manufacture in general
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- 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
-
- 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
It is higher that electromagnet pole piece, its production method and the battery comprising it provided by the present invention are designed to provide a kind of producing efficiency, and low-cost electromagnet pole piece.Electromagnet pole piece provided by the invention includes the substrate, electrode layer and membrane layer fitted closely successively.The electrode layer is printed on the substrate surface by the method for thick film screen printing；The membrane layer is sprayed at the electrode layer surface by the method for spraying.
Description
Technical field
The present invention relates to a kind of accessory battery more particularly to a kind of electromagnet pole piece, its production methods, and comprising its
Battery.
Background technology
With the rapid development of electric vehicle and automobile, electrical source of power also rapidly develops on vehicle therewith, but battery exists
But there is a problem of many in production, the battery product quality for causing market is very uneven, the capacity later cycles longevity of battery
The service life of design is not achieved in life, this has its unique production technology to have prodigious relationship in production in battery.Traditional electricity
Pond is configured with the components such as shell, upper cover, pole plate, partition board, bus-bar, pole, gap bridge protection board, terminal composition, production step
Suddenly mainly there is pole plate to weigh, packet partition board, lead parts information model and processing, welding dress group, prepare the steps such as electrolyte, injection electrolyte
Suddenly, qualifying point is up to more than 300, and production technology is complicated, process is more, the period is long, and production environment requires high, battery product quality
Consistency problem be difficult break through.In addition, the case where chemical reaction that the electrolyte of conventional batteries occurs makes inside battery is multiple
Hydridization, the difficulty of the battery production further improved.
Invention content
The technical problem to be solved in the present invention is to provide a kind of producing efficiency is higher, and low-cost Novel electric magnetic pole
Piece.
On the one hand, the present invention provides electromagnet pole piece, and electromagnet pole piece includes the substrate fitted closely successively, electrode
Layer and membrane layer.The electrode layer is printed on the substrate surface by the method for thick film screen printing；The membrane layer passes through spraying
Method be sprayed at the electrode layer surface.
Electromagnet pole piece provided by the present invention is lamination layer structure, and the electrode layer for including passes through thick film printing technique
It realizes, the membrane layer is realized by spraying technology；And thick film printing technique and spraying technology all have it is efficient, at low cost and
Feature with high accuracy, correspondingly electromagnet pole piece provided by the present invention have that producing efficiency is higher, of low cost and precision
High advantage.
Technical solution is described further below
Two of the substrate big faces are printed with electrode layer in one of the embodiments,；Or, the big face of substrate only one
It is printed with electrode layer.
The electrode layers thickness is between 4.9um~49um in one of the embodiments,.
The electrode layers thickness is between 20um~30um in one of the embodiments,.
On the other hand, the present invention provides the method for producing above-mentioned electromagnet pole piece, includes the following steps：
Print electrode slurry on the substrate, forms electrode layer；
Diaphragm slurry is sprayed in electrode layer surface, forms electrode layer.
The method of the above-mentioned electromagnet pole piece of production provided by the present invention realizes that electrode layer exists by thick film printing technique
The attachment of matrix surface realizes attachment of the membrane layer in electrode layer surface, and thick film printing technique and spraying by spraying technology
Technology all has feature efficient, at low cost and with high accuracy, correspondingly electromagnet pole piece producer provided by the present invention
Method has advantage efficient, at low cost.
Technical solution is described further below
Print electrode on the substrate in one of the embodiments, slurry print speed printing speed be 30 m/min ~ 60m/min.
The speed for spraying diaphragm slurry in the electrode layer surface in one of the embodiments, is 30 m/min ~ 60m/
min。
The electrode slurry for printing preset thickness on substrate in one of the embodiments, is completed for one-step print.
On the other hand, the present invention provides soft pack cell, and the soft-package battery is sheared by the electromagnet pole piece.
On the other hand, the present invention provides battery, and the battery includes the electromagnet pole piece.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar reference numeral.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the stereoscopic schematic diagram of the electromagnet pole piece of single side multilayer structure of the present invention；
Fig. 2 is the stereoscopic schematic diagram of the electromagnet pole piece of the two-sided multilayer structure of the present invention；
Fig. 3 is the flow chart for producing electromagnet pole piece of the present invention.
Reference numeral：
1- electromagnetism pole pieces
101- substrates
102- electrode layers
103- membrane layers
2- anode electromagnetism pole piece production systems
The first release devices of 201-
202- the first thick film screen printing devices
The first pressuring flat devices of 203-
The first spray equipments of 204-
3- negative electricity pole piece production systems
The second release devices of 301-
302- the second thick film screen printing devices
The second pressuring flat devices of 303-
The second spray equipments of 304-
4- pressing devices
5- winding devices
6- slicing devices.
Specific implementation mode
The embodiment of technical solution of the present invention is described in detail below in conjunction with attached drawing.Following embodiment is only used for
Clearly illustrate technical scheme of the present invention, therefore be only used as example, and the protection model of the present invention cannot be limited with this
It encloses.
Embodiment one
One embodiment of the present of invention provides a kind of electromagnet pole piece 1, and electromagnetism pole piece 1 includes the base for fitting closely setting successively
Piece 101, electrode layer 102 and membrane layer 103.101 one side of substrate in the embodiment of the present invention plays the work of carrying electrode layer 102
With on the other hand playing the role of obstructing electrode layer 102 side being electrically connected with other objects.Electrode layer 102 plays conductive work
With；Membrane layer 103 plays the role of 102 other side of barrier electrode layer and is electrically connected with other objects.
So-called fit closely refers to that electrode layer 102 is firmly attached to the surface of substrate 101 and cannot or be difficult and substrate 101
Separation and membrane layer 103 are firmly attached to the surface of electrode layer 102 and cannot or it is difficult to be detached with electrode layer 102.Close patch
The specific implementation of conjunction can be vacuum suction, Electrostatic Absorption or other adoptable modes.Not according to used mode
Together, the also difference of the requirement to substrate 101, electrode layer 102 and membrane layer 103.For example, if using vacuum suction side
Formula is then higher to the smoothness requirements of binding face between substrate 101, electrode layer 102 and membrane layer 103；If using quiet
The mode of Electro Sorb, then to the generation electrostatic force of binding face between substrate 101, electrode layer 102 and membrane layer 103
Performance requirement is higher.As a kind of enforceable mode, the embodiment of the present invention preferentially uses thick film printing technique and spraying technology
To realize fitting closely each other for substrate 101, electrode layer 102 and 103 three of membrane layer.Specifically, electrode layer 102 passes through thickness
The method of film printing is printed on 101 surface of substrate；Membrane layer 103 is sprayed at 102 surface of the electrode layer by the method for spraying.
In order to ensure that firmness that substrate 101, electrode layer 102 and 103 three of membrane layer combine two-by-two, substrate 101 should be chosen and electricity
The material that pole 102 material of layer are firmly combined with, membrane layer 103 should choose the material being firmly combined with 102 material of electrode layer.The present invention
Why embodiment preferably uses thick film printing technique and spraying technology, reason to be that thick film printing technique and spraying technology all have
Advantage efficient, at low cost, to improve the production efficiency for the electromagnet pole piece 1 that the embodiment of the present invention is provided, and
Reduce production cost.
It, can be only in unilateral setting 102 He of electrode layer of substrate 101 in the embodiment of the present invention as a kind of enforceable mode
Membrane layer 103 obtains electromagnetism pole piece 1 as shown in Figure 1, also can be respectively provided with electrode layer 102 and membrane layer in the bilateral of substrate 101
103 obtain electromagnetism pole piece 1 as shown in Figure 2.Either unilateral setting or bilateral setting, the setting of electrode layer 102 are preferential
It is realized using thick film printing technique, the setting of membrane layer 103 preferentially uses spraying technology to realize.
Electrode layer 102 is arranged in unilateral side and 1 production routine of electromagnetism pole piece of membrane layer 103 is：
It prints electrode slurry in 101 unilateral side of substrate（Also known as, electrocondution slurry）, form electrode layer 102.It is sprayed on 102 surface of electrode layer
Diaphragm slurry is applied, membrane layer 103 is formed.So-called electrode slurry is the slurries with ink property and conductive properties, specifically again
It is subdivided into positive conductive slurry and negative conductive slurry.If making positive electromagnetism pole piece 1, positive conductive slurry is passed through into thickness
Film printing technology, which is printed on substrate 101, forms anode electrode layer 102；If negative electricity pole piece 1 is made, by negative conductive
Slurry is printed on substrate 101 by thick film printing technique and forms negative electrode layer 102.Diaphragm slurry preferentially selects electrochemistry
It can be with the higher slurry of thermal stability.If the electrode layer 102 that thick film printing technique is formed does not have the performance solidified at once,
Then preferably carry out the spraying of membrane layer 103 again after the drying solidification of electrode layer 102, the drying of electrode layer 102 is under room temperature environment
Progress.
It can be following program A and program B that electrode layer 102 and 1 production routine of electromagnetism pole piece of membrane layer 103, which is arranged, in bilateral
Any：
Program A：It prints electrode slurry in 101 side of substrate, forms first electrode layer 102；In 102 surface spraying of first electrode layer
Diaphragm slurry forms the first membrane layer 103；It prints electrode slurry in 101 other side of substrate, forms the second electrode lay 102.In electricity
Pole 102 surface spraying diaphragm slurry of layer, form the second membrane layer 103.
Program B：It prints electrode slurry in 101 side of substrate, forms first electrode layer 102；It is printed in 101 other side of substrate
Electrode slurry forms the second electrode lay 102；In the surface spraying diaphragm slurry of first electrode layer 102, the first membrane layer is formed
103；In the surface spraying diaphragm slurry of the second electrode lay 102, the second membrane layer 103 is formed.
Program A is relative to the advantage of program B, can reduce electrode layer 102 to the full extent and expose to the open air in the external world
Time, and then reduce electrode layer 102 to the full extent and influenced by external interference.Program B exists compared to the advantage of program A
In reducing the number that substrate 101 is transported on printing equipment and spraying equipment, and then improve Novel electric of the embodiment of the present invention
The production efficiency of pole piece 1.Program A is either used still to use program B production bilateral setting electrode layers 102 and membrane layer
Electrode layer 102 and membrane layer 103 is arranged with unilateral side in 103 electromagnetism pole piece 1, the characteristic of electrode slurry and the characteristic of diaphragm slurry
Electromagnetism pole piece 1 it is identical.If the electrode layer 102 that thick film printing technique is formed does not have the performance solidified at once, preferably exist
The spraying of membrane layer 103 is carried out after the drying solidification of electrode layer 102 again, the drying of electrode layer 102 carries out under room temperature environment.
It is learnt by experiment statistics and mathematical analysis, when the electrode that the electromagnetism pole piece 1 that the embodiment of the present invention is provided includes
When 102 thickness of layer are between 4.9um~49um, the whole electric conductivity of electromagnetism pole piece 1 and electrode layer 102 are on substrate 101
Adhesive ability reach better balance state, especially when 102 thickness of electrode layer is between 20um~30um, effect is most very.
In order to enhance adhesive ability of the electrode layer 102 on substrate 101 as far as possible, preferred electrode of embodiment of the present invention layer 102 passes through list
Secondary to print, such electrode layer 102 is integral type rather than multiple field.
It is learnt by experiment statistics and mathematical analysis, the speed that the electrode slurry is printed on the substrate 101 is
When 30m/min ~ 60m/min, uniformity, continuity and the adhesive ability that electrode slurry is distributed on substrate 101 are preferable, printing speed
Degree can specifically choose 35m/min, 40m/min or 50m/min；And the diaphragm described in 102 surface spraying of the electrode layer is starched
When the speed of material is 30 m/min ~ 60m/min, uniformity, continuity and attachment that membrane layer 103 is distributed on electrode layer 102
Ability is preferable, and spraying rate can specifically choose 35m/min, 40m/min or 50m/min.
Embodiment two
The electromagnetism pole piece 1 that the embodiment of the present invention is provided can be used for the production of battery or soft pack cell, and electromagnetism pole piece 1 is used for
The preposition work of the production of battery or soft pack cell is：Electromagnetism pole piece group is made according to system as shown in Figure 3, specifically：
S01:Positive electromagnetism pole piece 1 makes.First release device 201 discharges substrate 101；Substrate 101 passes through the first thick film screen printing
Device 202, the first thick film printer is in 101 surface printing positive conductive slurry of substrate；By low temperature drying, positive conductive slurry
Electrode layer 102 is formed by curing on substrate 101；Substrate 101 is moved on into the first pressuring flat device 203, and electrode layer 102 is ground
It flattens；Substrate 101 is moved on into the first spray equipment 204, and the first spray equipment 204 is in 102 surface spraying of electrode layer
Diaphragm slurry；By low temperature drying, diaphragm slurry is formed by curing membrane layer 103 on electrode layer 102（It can repeatedly weigh if necessary
Implement spraying and the low temperature drying operation of diaphragm slurry again）, so far obtain positive electromagnetism pole piece 1；Make positive 1 mistake of electromagnetism pole piece
Involved equipment collectively forms positive electromagnetism pole piece production system 2 in journey.
S02:Negative electricity pole piece 1 makes.Second release device 301 discharges substrate 101；Substrate 101 passes through the second thick film
Printing equipment 302, the second thick film screen printing device 302 is in 101 surface printing negative conductive slurry of substrate；By low temperature drying, bear
Pole electrocondution slurry is formed by curing electrode layer 102 on substrate 101；Substrate 101 is moved on into the second pressuring flat device 303, will
Electrode layer 102 rolls smooth；Substrate 101 is moved on into the second spray equipment 304, and the second spray equipment 304 is in electrode layer
102 surface spraying diaphragm slurries；By low temperature drying, diaphragm slurry is formed by curing membrane layer 103 on electrode layer 102（Must
The spraying for implementing diaphragm slurry and low temperature drying operation can be repeated several times when wanting）, so far obtain negative electricity pole piece 1；It makes negative
Involved equipment collectively forms negative electricity pole piece production system 3 during pole electromagnetism pole piece 1.
S03：Pole piece merges.Positive electromagnetism pole piece 1 and negative electricity pole piece 1 are stacked together, and are sent into pressing device together
4, under the action of pressing device 4, positive electromagnetism pole piece 1 and negative electricity pole piece 1 are solidified as a whole, and form electromagnetism pole piece group.
Embodiment three
As described in embodiment two, electromagnetism pole piece group can be used for the production of battery or soft pack cell.Wherein：
As shown in figure 3, the production routine for cylindrical battery is：Operation is wound to electromagnetism pole piece group using winding device 5,
And the electromagnetism pole piece after winding is assembled into metal-back, then be aided with the welding sequence of lug and just obtained cylindrical battery.
Production routine for square battery is：Electromagnetism pole piece group is molded, you can obtain square battery.
As shown in figure 3, the production routine for soft pack cell is：Using slicing device 6 according to design to electromagnetism pole piece group
It is sliced, you can to obtain soft pack cell.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover in the claim of the present invention and the range of specification.
Claims (10)
1. electromagnet pole piece, which is characterized in that including the substrate, electrode layer and membrane layer fitted closely successively,
The electrode layer is printed on the substrate surface by the method for thick film screen printing；The membrane layer is sprayed by the method for spraying
It is applied to the electrode layer surface.
2. electromagnet pole piece according to claim 1, which is characterized in that two of the substrate are big, and face is printed with electricity
Pole layer；Or,
The big face of substrate only one is printed with electrode layer.
3. electromagnet pole piece according to claim 1, which is characterized in that the electrode layers thickness between 4.9um~
Between 49um.
4. electromagnet pole piece according to claim 1, which is characterized in that the electrode layers thickness is between 20um~30um
Between.
5. a kind of method producing electromagnet pole piece described in claim 1, includes the following steps：
Print electrode slurry on substrate, forms electrode layer；
Diaphragm slurry is sprayed in electrode layer surface, forms membrane layer.
6. the production method of electromagnet pole piece according to claim 5, which is characterized in that print institute on the substrate
The speed for stating electrode slurry is 30 m/min ~ 60m/min.
7. the production method of electromagnet pole piece according to claim 5, which is characterized in that sprayed in the electrode layer surface
The speed for applying the diaphragm slurry is 30 m/min ~ 60m/min.
8. the production method of electromagnet pole piece according to claim 5, which is characterized in that the electrode layer passes through single
It prints.
9. a kind of soft pack cell, which is characterized in that sheared by electromagnet pole piece described in claim 1.
10. a kind of battery, which is characterized in that include electromagnet pole piece described in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810234782.3A CN108470881A (en) | 2018-03-21 | 2018-03-21 | Electromagnet pole piece, its production method, and include its battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810234782.3A CN108470881A (en) | 2018-03-21 | 2018-03-21 | Electromagnet pole piece, its production method, and include its battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108470881A true CN108470881A (en) | 2018-08-31 |
Family
ID=63265566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810234782.3A Pending CN108470881A (en) | 2018-03-21 | 2018-03-21 | Electromagnet pole piece, its production method, and include its battery |
Country Status (1)
| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310487A (en) * | 2019-07-31 | 2021-02-02 | 广东利元亨智能装备股份有限公司 | Lamination method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101236841A (en) * | 2008-01-11 | 2008-08-06 | 上海纳晶科技有限公司 | An electric chemical super capacitor making method |
| US20140099528A1 (en) * | 2012-10-10 | 2014-04-10 | Nthdegree Technologies Worldwide, Inc. | Printed energy storage device |
| CN107665965A (en) * | 2016-07-29 | 2018-02-06 | 深圳市沃特玛电池有限公司 | A kind of lithium battery cathode pole piece and barrier film integral structure and preparation method thereof |
-
2018
- 2018-03-21 CN CN201810234782.3A patent/CN108470881A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101236841A (en) * | 2008-01-11 | 2008-08-06 | 上海纳晶科技有限公司 | An electric chemical super capacitor making method |
| US20140099528A1 (en) * | 2012-10-10 | 2014-04-10 | Nthdegree Technologies Worldwide, Inc. | Printed energy storage device |
| CN107665965A (en) * | 2016-07-29 | 2018-02-06 | 深圳市沃特玛电池有限公司 | A kind of lithium battery cathode pole piece and barrier film integral structure and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310487A (en) * | 2019-07-31 | 2021-02-02 | 广东利元亨智能装备股份有限公司 | Lamination method |
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