CN108370057A - Electrode assembly manufacturing method and the electrochemical appliance for applying the electrode assembly manufactured by the manufacturing method - Google Patents
Electrode assembly manufacturing method and the electrochemical appliance for applying the electrode assembly manufactured by the manufacturing method Download PDFInfo
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- CN108370057A CN108370057A CN201680071443.7A CN201680071443A CN108370057A CN 108370057 A CN108370057 A CN 108370057A CN 201680071443 A CN201680071443 A CN 201680071443A CN 108370057 A CN108370057 A CN 108370057A
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- Prior art keywords
- electrode assembly
- laser
- diaphragm
- manufacturing
- cutting
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0583—Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
-
- 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
-
- 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
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- 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
The present invention relates to manufacture the method for electrode assembly and include the electrochemical appliance of the electrode assembly manufactured by the manufacturing method, and according to the present invention, exists and can simply and economically be manufactured containing the electrode assembly with the diaphragm of desired shape by using laser.
Description
Technical field
This specification requires the Korean Patent Application No. 10-2015- submitted in Korean Intellectual Property Office on December 9th, 2015
0174803 priority and right, and be by reference incorporated herein entire contents.
The electrode assembly that the present invention relates to the methods and applications for manufacturing electrode assembly to be manufactured by the method
Electrochemical appliance.
Background technology
With the development of technology and the increase to mobile device demand, to high-energy density and high working voltage and
The secondary cell, particularly lithium secondary battery of excellent storage and life characteristic, there are the demands of rapid growth.
It is formed in general, lithium secondary battery is sealed in the structure in battery case with electrode assembly and electrolyte.The secondary electricity of lithium
Pond can usually be classified into cylindrical battery, prismatic battery, pouch-shaped battery etc. according to shape, and according to the class of electrolyte
Type is classified into lithium ion battery, lithium ion polymer battery, lithium polymer battery etc..Since nearest mobile device tends to small-sized
The trend of change, to thin prismatic battery and pouch-shaped battery, there are ever-increasing demands, and especially to being easy to change shape
Shape and there are high interest for the small pouch-shaped battery of weight.
In recent years, the demand to the mobile device of various different designs is increasing, therefore the shape of battery unit is also required to
It is changed.Therefore, the various types of battery unit of exploitation has been attempted, such as has been introduced in a part for battery unit
The battery unit of curved shape.
Invention content
[technical problem]
In order to mass produce a variety of different battery units, it is necessary to solve some technical barriers, one of them is related to inserting
Enter the processing of diaphragm between the electrodes.
In the related art, the diaphragm for including as the component of secondary cell is usually cut by manufacturing mold
To obtain desired shape.However, the time needed for manufacture mold is long, therefore the limitation in existence time, and there is such as mould
The problem of tool abrasion.In addition, when the thickness of diaphragm is also reduced to make the small battery of thickness, diaphragm is being cut by mold
When, the diaphragm is not to be cut but be extended.
It is an object of the present invention to provide the method for manufacturing the electrode assembly with new laminar structure, the sides
Method can be cut into the diaphragm with desired shape to solve phase by having the electrode assembly of laminar structure with laser cutting
The problems in pass field.
It is a further object to provide the electrochemistry dresses comprising the electrode assembly manufactured by the manufacturing method
It sets.
[technical solution]
In order to realize the purpose, the present invention is provided to manufacture the method for electrode assembly, the electrode assembly has it
In the structure that is laminated of multiple element cells including the positive electrode, the negative electrode and the separator, the method includes being wrapped by using laser
The diaphragm being contained in the electrode assembly cuts into desired shape.
In addition, the present invention provides electrochemical appliance, wherein being housed in by the electrode assembly that the manufacturing method manufactures
In shell.
[advantageous effect]
According to the present invention, exist can simply and economically be manufactured by using laser containing with desired shape every
The effect of the electrode assembly of film.
Description of the drawings
Fig. 1 is to show that notched electrode is supplied to diaphragm table in the method for manufacturing electrode assembly of the present invention
Schematic diagram on face and the step of winding supplied electrode.
Fig. 2 be show the present invention by using laser cutting diaphragm the step of schematic diagram.
Fig. 3 and 4 is the full face and side photo for the electrode assembly of comparative example 1 cut through respectively.
Figures 5 and 6 are the full face and side photo for the electrode assembly of comparative example 2 cut through respectively.
Fig. 7 is the photo of the 11th layer for the electrode assembly of embodiment 1 cut through (engineer's scale is 500 μm).
Fig. 8 is the photo of the 11th layer for the electrode assembly of embodiment 6 cut through (engineer's scale is 500 μm).
Fig. 9 and 10 is the full face and side photo for the electrode assembly of embodiment 1 cut through respectively.
Figure 11 and 12 is the full face and side photo for the electrode assembly of embodiment 6 cut through respectively.
Specific implementation mode
As the electricity for manufacturing the structure being laminated with the plurality of element cell including the positive electrode, the negative electrode and the separator
The method of pole component, the present invention relates to the methods for manufacturing electrode assembly, and the method includes will including by using laser
The step of diaphragm in the electrode assembly cuts into desired shape.
In the example of the present invention, the knot being laminated with the plurality of element cell including the positive electrode, the negative electrode and the separator
The electrode assembly of structure can be the structure for including the positive electrode, the negative electrode and the separator, and be not particularly limited.That is, in this hair
In bright, the electrode assembly can be cathode wherein as single electrode and anode in the case where diaphragm is placed in therebetween alternately
The electrode assembly for the type that the type of lamination or in which multiple element cells are laminated in the case where diaphragm is placed in therebetween (stacks
Type electrode assembly) or in which the structure surrounded by the plate diaphragm of long size of single electrode or element cell (stack folded form electricity
Pole component).
In this case, element cell means a unit cell structure comprising anode, cathode and is placed in described
Diaphragm between positive electrode and negative electrode.Element cell may include at least one anode, at least one cathode and at least one diaphragm,
And the number of the positive electrode, the negative electrode and the separator to constituting an element cell or arrangement are not particularly limited.For example, in unit electricity
Chi Zhong is configured in such as element cell of anode/diaphragm/cathode/diaphragm/positive or negative pole/diaphragm/anode/diaphragm/cathode
Electrode on two surfaces of outermost portion can be with polarity having the same, or configuration is in such as anode/diaphragm/cathode or just
Electrode on two surfaces of the outermost portion of the element cell of pole/diaphragm/cathode/diaphragm/anode/diaphragm/cathode can have
There is opposite polarity.
In the present invention, stacked electrode layered product includes：The electrode layered product manufactured by conventional method, wherein will just
Pole, diaphragm and cathode are sequentially laminated one by one；With pass through following methods (commonly known as " lamination and stacking method ")
The electrode layered product of manufacture, wherein manufacture has sequence laminar structure such as cathode/diaphragm/anode/diaphragm or anode/diaphragm/negative
The basic unit is then laminated by the basic unit of pole/diaphragm in the case where diaphragm is placed in therebetween.In this case,
The basic unit may include more than two anodes and cathode, an and surface of the outmost surface of the basic unit
It can be made of diaphragm, and another surface can be made of electrode.
By the electrode layered product of the lamination and stacking method manufacture, the electrode layered product specifically comes
Say be not only be made of basic unit described above, and can by will have the electrode structure of different structure and/or every
Film mixes to use with the basic unit.For example, can be by by the electrode layered product of the lamination and stacking method manufacture
It is configured to following types：It is used for by the electrode structure or diaphragm of diaphragm/anode/diaphragm or diaphragm/cathode/diaphragm construction most upper
Layer segment or lowest level part, and another part includes the basic unit.It is manufactured by the lamination and stacking method
Electrode layered product in the case of, the sum of positive number and cathode number for including in entire electrode layered product and diaphragm number
It can be configured to outermost portion mutually the same, and that diaphragm is added to the electrode layered product, as a result, diaphragm number
It can be configured to bigger than the sum of positive number and cathode number by 1.
Meanwhile in the present invention, term " stack and fold " refers to following method：By single electrode and/or wherein at least one
The electrode layered product that a anode, at least one diaphragm and at least one cathode are laminated configures on the plate diaphragm of long size,
Then the method folded, and method for folding is not particularly limited, method for folding are understood to cover institute capable
The concept of well known various method for folding in domain, for example, by plate diaphragm fold zig zag method (be referred to as Z-folded type or
Accordion type)；The electrode that wherein at least one cathode and at least one anode are laminated in the case where diaphragm is placed in therebetween
Then method that layered product configuration is wound on a surface of plate diaphragm；Or single electrode is alternately arranged in plate diaphragm
The method for then winding plate diaphragm on two surfaces.
In addition, in the present invention, term " diaphragm " is used as covering the single blade profile diaphragm for being cut into predetermined size and length
The term of both plate diaphragms of size.
In the example of the present invention, electrode assembly is most preferably to stack folding-typed electrode assembly, but not limited to this.Fig. 1 is
It shows, when electrode assembly is to stack folded form, to supply notched electrode in the method for the manufacture electrode assembly of the present invention
Schematic diagram on to membrane surface and the step of winding supplied electrode.
In the example of the present invention, laminated-type element cell is preferably full battery (full cell) or double cell (bi-
Cell), but not limited to this.
The structure of full cell or bicell as element cell is not particularly limited, and can be used known complete
Battery or double cell.Preferably, the laminar structure or anode that full cell or bicell can be with anode/diaphragm/cathode/every
The laminar structure of film/cathode/diaphragm/anode/diaphragm/cathode.
The number of element cell such as full cell or bicell can be determined by various different factors, for example, such as each
The desired capacity of the structure of the element cell of full cell or bicell and the battery finally manufactured, and preferably can be 6
To 30.
To the range of diaphragm, anode and cathode included in electrode assembly there is no limit, if the diaphragm, anode and
Cathode is known or commercially available common diaphragm, common anode and common cathode.For example, cathode can be by with negative electrode active
Material such as lithium metal, lithium alloy, carbon, petroleum coke, activated carbon, graphite, silicon compound, tin compound, titanium compound contain it
At least one of alloy coating cathode current collection made of copper, nickel, aluminium or alloy containing at least one of they
Device and formed.In addition, anode can be by with positive electrode active materials such as lithium manganese oxide, lithium and cobalt oxides, lithium nickel oxide, phosphorus
Sour iron lithium or the coating of compound containing at least one of they and mixture are for example by aluminium, nickel, copper or containing in them
Anode current collector made of the alloy of at least one and formed.In this case, in the anode for constituting element cell and
The area of coating electrode active material can be identical or different on cathode.In addition, electrode active material can be coated on current collection
On two surfaces of device, or it can be coated on the only one surface of current-collector to form lug etc..
Meanwhile diaphragm can be the multi-layer thin with microcellular structure manufactured by such as polyethylene, polypropylene or combinations thereof
Film or for the thin polymer film of solid polymer electrolyte or gel-type polymer electrolyte such as polyvinylidene fluoride, polycyclic
Oxidative ethane, polyacrylonitrile or polyvinylidene fluoride-hexafluoropropylene copolymer.
Next, will be explained in that the diaphragm included in electrode assembly is cut into desired shape by using laser
The step of.
As described above, in order to mass produce a variety of different battery units, various diaphragms of different shapes are needed.Such as
In the case of cutting diaphragm by manufacturing mold like that in related field, have the shortcomings that above-mentioned and described in order to solve
Disadvantage, in the present invention, the step of carrying out that diaphragm is cut into desired shape by using laser.It is cut when by using laser
When cutting diaphragm, by making up the shortcomings that manufacturing mold in the related art, the saving of time and process costs may be implemented.
Frequency, pulse width, output power and the cutting speed of laser can need to be adjusted to suitable according to user
Range.However, in order to achieve the object of the present invention, preferably the pulse width of laser, output power and minimally processed vegetables are arrived
Following ranges, but it is not limited to following ranges.
In another example of the present invention, the frequency of laser be preferably 20kHz to 70kHz, more preferably 20kHz extremely
50kHz, but not limited to this.
When the frequency of laser is less than 20kHz, cannot adequately be cut.When the frequency of laser is higher than 70kHz,
The pollution for being carbonized and causing cutting section occurs during cutting.It is therefore preferable that being cut by laser with the frequency of the range.
It, cannot be by enough heats when the pulse width of laser is 10ns or less in another example of the present invention
It is transmitted to substrate.When the pulse width of laser is 100ns or more, cutting section is contaminated due to heat affecting, laser
Pulse width be preferably 10ns to 100ns, but not limited to this.It is highly preferred that the pulse width of laser is 25ns to 90ns.
In the example of the present invention, the cutting speed of laser is preferably 400mm/s to 6000mm/s, but not limited to this.
When the cutting speed of laser is less than 400mm/s, heat affecting is maximized and diaphragm retracts.When the cutting of laser
When speed is higher than 6000mm/s, cannot adequately it be cut.It is cut it is therefore preferable that carrying out laser with the cutting speed of the range
It cuts.
In another example of the present invention, the process speed by the laser of the formula calculating represented by following formula 1 is excellent
It is selected as 20mm/s to 300mm/s, but not limited to this.
[formula 1]
Process speed=laser cutting speed/laser cutting number.
When the process speed in the step of by using laser cutting diaphragm is less than 20mm/s, the work for producing product
Sequence time lengthening, thus reduces business efficiency, and when process speed is higher than 300mm/s, cutting may be insufficient.It is therefore preferable that
It is cut by laser with the process speed of the range.
The present invention another example in, most preferably within the scope of 20kHz to 50kHz laser frequency, 10ns extremely
Laser cutting speed within the scope of laser pulse width and 400mm/s to 6000mm/s within the scope of 100ns carry out by using
The step of being cut by laser diaphragm is to realize the effect of the present invention, but the step of by using laser cutting diaphragm is without being limited thereto.
In the example of the present invention, most preferably with the laser cutting speed and 20mm/ within the scope of 400mm/s to 6000mm/s
Laser process speed within the scope of s to 300mm/s carry out by using the step of laser cutting diaphragm to realize the effect of the present invention
Fruit, but the step of by using laser cutting diaphragm is without being limited thereto.
In another example of the present invention, preferably carried out in the folded battery that wherein element cell is laminated by making
The step of with laser cutting diaphragm, this is because the reduction effect of process time and process costs is excellent, but not limited to this.
In addition, the present invention relates to electrochemical appliance, the electrode assembly manufactured by the above-mentioned manufacture method is applied.
The electrode assembly of the present invention can be applied to generate the electricity of electric power by the electrochemical reaction between positive electrode and negative electrode
Chemical devices.The representative example of electrochemical appliance can be ultracapacitorUltra-capacitorSecondary cell, fuel cell, electrolysis unit, electrochemical reactor etc., and the present invention's
In example, electrochemical appliance is preferably secondary cell, but not limited to this.
Lithium secondary battery has been used as power supply for medium-sized and large-scale plant and midget plant recently.However, in order to make lithium
Secondary cell is as power supply for medium-sized and large-scale plant, it is preferable to use the secondary cell of the present invention is as an element cell shape
At battery module.Battery pack including battery module can be used as power supply to be used for electric tool；Selected from by electric vehicle (EV), mixed
Close the electric vehicle in the group that power vehicle (HEV) and plug-in hybrid-power automobile (PHEV) are constituted；Electric bicycle；It is electronic
Motorcycle；Electric golf cart；Motor wagon and electric commercial vehicle etc..
Hereinafter, the present invention will be described in more detail using non-limiting embodiment.The reality of the following public present invention
It applies example to be merely illustrative, and the scope of the present invention is not limited to the above embodiments.The scope of the present invention is by the right that is appended
Claim shows and includes all changes fallen within the meaning and scope for being equal to described claims.In addition, under
In the embodiment and comparative example in face, unless otherwise specified, indicate that " % " and " number " of content is in mass.
Embodiment
Embodiment 1 to 5. is included in the diaphragm in electrode assembly by laser cutting
By (being manufactured by VGEN companies, VGEN-ISP- using laser cutting device under conditions of being shown in the following Table 1
1-40-50) cutting is manufactured for manufacturing the diaphragm (being manufactured by LG Chemical Ltd.) of electrode assembly with desired shape
Diaphragm, the diaphragm be coated with Al on two surfaces of polyethylene2O3The security enhancement diaphragm (SRS) of layer.
It takes pictures to a front surface and a side surface of the cross section of the electrode assembly cut according to embodiment 1, and is shown in Fig. 9
In 10.
Embodiment 6 and 7. is included in the diaphragm in electrode assembly by laser cutting
By being cut using laser cutting device (being manufactured by IPG companies, YLP-2000) under conditions of being shown in the following Table 1
Diaphragm (being manufactured by LG Chemical Ltd.) is cut to manufacture the diaphragm with desired shape, the diaphragm is the two of polyethylene
It is coated with Al on a surface2O3The security enhancement diaphragm (SRS) of layer.
A front surface and a side surface of the cross section of the electrode assembly cut according to embodiment 6 is taken pictures, and is shown in figure
In 11 and 12.
Comparative example 1 and 2. is included in the diaphragm in electrode assembly by laser cutting
By using laser cutting device (being manufactured by SPI companies, G4) cutting to be used under conditions of being shown in the following Table 1
The diaphragm (being manufactured by LG Chemical Ltd.) of electrode assembly is manufactured to manufacture the diaphragm with desired shape, the diaphragm is
It is coated with Al on two surfaces of polyethylene2O3The security enhancement diaphragm (SRS) of layer.The diaphragm cut according to comparative example 1 and 2
The photo of cross section be shown in Fig. 3 (comparative example 1, front), Fig. 4 (comparative example 1, side), Fig. 5 (comparative example 2, front) and Fig. 6
In (comparative example 2, side).
Table 1
Cutting degree, diaphragm to embodiment 1 to 7 and comparative example 1 and 2 diaphragm being included in the electrode assembly of cutting
Carbonizing degree and diaphragm whether shrink and visually observed and be compared to each other, the results are shown below in Table 2.
Table 2
| Number | Whether cutting | Whether carbonization | The contraction of diaphragm |
| Embodiment 1 | O | X | X |
| Embodiment 2 | O | X | X |
| Embodiment 3 | O | X | X |
| Embodiment 4 | O | X | X |
| Embodiment 5 | O | X | X |
| Embodiment 6 | O | X | X |
| Embodiment 7 | O | X | X |
| Comparative example 1 | O | O | O |
| Comparative example 2 | O | O | O |
It can be seen that compared with comparative example 1 and 2, when carrying out the laser cutting of diaphragm under conditions of embodiment 1 to 6,
The effect of the present invention can be realized by cutting diaphragm under conditions of no carbonization or contraction.
Claims (13)
1. a kind of method for manufacturing electrode assembly, it includes the positive electrode, the negative electrode and the separator that the electrode assembly, which has plurality of,
The structure that is laminated of element cell, the method includes：
Diaphragm included in the electrode assembly is cut by desired shape by using laser.
2. the method for manufacturing electrode assembly of claim 1, wherein
The element cell is full cell or bicell.
3. the method for manufacturing electrode assembly of claim 1, wherein
The electrode assembly is stacked or stacking folding-typed electrode assembly.
4. the method for manufacturing electrode assembly of claim 1, wherein
The frequency of the laser is in the range of 20kHz to 70kHz.
5. the method for manufacturing electrode assembly of claim 1, wherein
The frequency of the laser is in the range of 20kHz to 50kHz.
6. the method for manufacturing electrode assembly of claim 1, wherein
The pulse width of the laser is in the range of 10ns to 100ns.
7. the method for manufacturing electrode assembly of claim 1, wherein
The cutting speed of the laser is in the range of 400mm/s to 6000mm/s.
8. the method for manufacturing electrode assembly of claim 1, wherein
The process speed of the laser is in the range of 20mm/s to 300mm/s, and the process speed passes through by chemical formula 1
Represented formula calculates：
[chemical formula 1]
Process speed=laser cutting speed/laser cutting number.
9. the method for manufacturing electrode assembly of claim 1, wherein
Extremely with the laser frequency within the scope of 20kHz to 50kHz, the laser pulse width within the scope of 10ns to 100ns and 400mm/s
Laser cutting speed within the scope of 6000mm/s carries out the cutting of the diaphragm carried out by using the laser.
10. the method for manufacturing electrode assembly of claim 1, wherein
With the laser process within the scope of the laser cutting speed and 20mm/s to 300mm/s within the scope of 400mm/s to 6000mm/s
Speed carries out the cutting of the diaphragm carried out by using the laser.
11. the method for manufacturing electrode assembly of claim 1, wherein
The cutting of the diaphragm carried out by using the laser is carried out after being laminated the element cell.
12. a kind of electrochemical appliance, it includes the electrode groups that the manufacturing method by any one of claim 1 to 11 manufactures
Part.
13. the electrochemical appliance of claim 12, wherein the electrochemical appliance is secondary cell.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2015-0174803 | 2015-12-09 | ||
| KR1020150174803A KR102008392B1 (en) | 2015-12-09 | 2015-12-09 | A method for manufacturing electrode assembly and a electrode assembly manufactured by the method applied electrochemical device |
| PCT/KR2016/013897 WO2017099406A1 (en) | 2015-12-09 | 2016-11-29 | Electrode assembly manufacturing method, and electrochemical device to which electrode assembly manufactured by manufacturing method is applied |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108370057A true CN108370057A (en) | 2018-08-03 |
| CN108370057B CN108370057B (en) | 2021-06-25 |
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| CN201680071443.7A Active CN108370057B (en) | 2015-12-09 | 2016-11-29 | Electrode assembly manufacturing method and electrochemical device using electrode assembly manufactured by the manufacturing method |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR102008392B1 (en) |
| CN (1) | CN108370057B (en) |
| WO (1) | WO2017099406A1 (en) |
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| US11171385B2 (en) * | 2018-07-12 | 2021-11-09 | GM Global Technology Operations LLC | Method of forming a separator for a lithium-ion battery |
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| ARNOLD, CB; PIQUE, A: ""Laser direct-write of alkaline microbatteries"", 《MATERIALS RESEARCH SOCIETY SYMPOSIUM PROCEEDINGS》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20170068063A (en) | 2017-06-19 |
| CN108370057B (en) | 2021-06-25 |
| KR102008392B1 (en) | 2019-08-13 |
| WO2017099406A1 (en) | 2017-06-15 |
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