EP3520157A1 - Method for producing a film stack for a battery cell - Google Patents
Method for producing a film stack for a battery cellInfo
- Publication number
- EP3520157A1 EP3520157A1 EP17768775.3A EP17768775A EP3520157A1 EP 3520157 A1 EP3520157 A1 EP 3520157A1 EP 17768775 A EP17768775 A EP 17768775A EP 3520157 A1 EP3520157 A1 EP 3520157A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- film
- separator
- laser
- defined locations
- separator film
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
-
- 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
- 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
-
- 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/431—Inorganic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/463—Separators, membranes or diaphragms characterised by their shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
Definitions
- the invention relates to a method for producing a film stack for a battery cell. State of the art
- US 2015/0202647 A shows a method for producing a battery cell in which a separator film is formed, wherein the separator film comprises a substrate made of a porous polyolefin resin film and a substrate disposed thereon
- the heat-resistant layer is on
- Battery cell comprises the following steps: a) providing a separator film with at least a first one
- a layer comprising a polyolefin, and at least one
- Ceramic layer was removed, dl) with another separator film or d2) after folding with itself
- Electrode foils to foil stacks Electrode foils to foil stacks.
- foil is a substantially flat electrode formed
- the film may have any shape in the surface, for example, square, rectangular, rounded corners, oval, circular or the like.
- the term “pocket” refers to an arrangement in which the electrode foil is sandwiched between two separator foils, which can be punctually or completely closed on one, two, three or four sides , three jobs, four jobs or even more jobs.
- the first electrode foil is provided substantially identically sized as the separator foil and positioned on this.
- the term "essentially the same size” here means that the first electrode foil covers the separator foil over a large area except for the defined locations at which the ceramic layer is or has been removed.
- the first electrode foil is designed to be smaller around an edge area on which the defined locations are located.
- a preferred mirror-symmetrical same as the separator formed further educated
- Separator foil is provided, fed to the array with the separator foil and the first electrode foil and positioned on this assembly.
- the pocket is formed, in which the first electrode foil is arranged.
- the films may be continuously provided "off the belt.”
- the pockets may be produced on the belt and singulated in further steps. According to a second embodiment, it is provided that the first
- Electrode film is formed substantially the same size as half of the separator.
- the term "essentially the same size” also means here that the first electrode foil covers over a large area half of the separator foil except for the defined locations where the ceramic layer is or has been removed.
- the first electrode foil is made smaller around an edge area
- the first electrode foil is placed on one half of the separator foil, whereupon the separator foil is folded in the middle, so that the half on which the first electrode foil is not arranged on half of the separator foil on which the By connecting the two separator film halves at locations where the ceramic layers have been removed, the pocket is formed, in which the first electrode foil is arranged Foils before folding sporadically.
- the ceramic coating is located at least on the inside of the bag.
- the bag contains the first electrode foil and, in a further step, can be built up alternately with a respective second electrode foil rapidly to form an electrode stack.
- the second electrode film is preferably not arranged in a pocket, d. h. "unpacked".
- the first layer of the separator film comprises a polyolefin, wherein preferably biaxially drawn PP (polypropylene) or PE (polyethylene) is used.
- the thickness of the first layer is preferably from 10 to 30 ⁇ .
- a second layer of the separator film comprises a ceramic, preferably Al 2 O 3 or boehmite.
- the thickness of the ceramic layer is preferably from 1 to 5 ⁇ .
- Ceramic coating by multiphoton absorption processes to evaporate which is also referred to as cold material removal.
- the laser is focused on the coated separator surface in order to remove the ceramic coating in a targeted manner.
- the laser is preferably arranged so that the first layer with the
- Polyolefin support material is not affected.
- the amount of polyolefin support material is not affected.
- a laser with a pulsed laser beam is preferably used.
- a laser is used with a pulsed laser beam with pulse widths of 80 fs to 100 ps.
- the use of ultrashort pulse laser radiation and the resulting high beam intensities on the coated separator surface evaporate the ceramic coating very effectively.
- the laser preferably has a laser power of 0.1 to 400 W.
- the laser may have an average laser power of more than 400W.
- a laser which has a laser scanning speed of 0.1 to 20 m / s. Particularly preferred is a laser is used, the one
- a laser is used, which has a focus diameter on the material surface of 5 to 100 ⁇ .
- a laser is used, which has a focus diameter on the material surface of more than 100 ⁇ .
- the laser used is preferably a laser with a wavelength between 300 nm and 1100 nm, ie. H. from the UV range to the near infrared range.
- a laser having a wavelength of 343 nm, 515 nm or 1030 to 1064 nm is particularly preferred.
- an excimer laser which preferably has a wavelength of between 100 and 300 nm, more preferably 157 nm, 193 nm or 248 nm.
- the excimer laser preferably comprises a flattop beam profile. More preferably, the
- Excimer laser on a pulse duration in the nanosecond range.
- the excimer laser is focused on the coated Separatorober Structure and there is a photochemical or photothermal material removal.
- the defined locations of the separator film of 1 mm 2 to 10 cm 2 are formed large.
- the size and shape of the defined locations is matched to the method of their connection in step d).
- the defined locations may, for example, be square, rectangular, circular, oval or linear. preferred
- Magnitudes of square locations are from 5mm x 5mm to 10mm x 10mm.
- Preferred sizes of rectangularly shaped ablated points are from 5 mm x 10 mm to 10 mm x 20 mm.
- Circular locations preferably have a radius of 1 mm to 10 mm.
- Line-shaped points are given in width by the laser beam and can be z. B. extend over lengths of 1 mm to 20 cm.
- the defined locations at which the ceramic layer is removed in step b) are preferably arranged symmetrically. In particular, they are preferably arranged mirror-symmetrically to a main axis of the separator film. The latter embodiment is to be preferred in particular in the folding technology.
- the number of defined locations per pocket is, for example, from 3 to 20, preferably 4 to 12. It can be provided to arrange 3 or 4 defined locations in the manner of an equilateral triangle or a square. It may be provided to interpolate a square or rectangle with further defined locations, for example to provide further points between the corners, so that 8 defined locations 10 are provided here.
- the defined locations are for example by means of
- Polymer ultrasonic welding, laser welding, heat sealing, thermal bonding, sewing, knurling and / or needles interconnected It may be provided to first connect some of the defined locations with each other, then insert the electrode and then connect further of the defined locations with each other.
- the defined locations are connected to one another by means of laser transmission welding. This is z. B. a diode laser radiation, wherein the defined locations, d. H. here too
- a film stack is produced as described in a first step and arranged in further steps of the film stack in a battery cell housing.
- the battery cell housing is filled with an electrolyte and sealed.
- the battery cell can be both a primary battery cell and a
- Secondary battery cell or accumulator cell which is adapted to store electrical energy and convert chemical reaction energy into electrical energy and vice versa.
- the invention is applicable to all types of cells made up of individual foils, for example lithium-ion batteries, lithium-sulfur batteries, magnesium batteries.
- the battery cell may be a lithium-ion cell, which is typically characterized by particularly high
- the intended use for the presented battery cell can be in particular in motor vehicles such as electric vehicles, hybrid vehicles and plug-in hybrid vehicles.
- a double-sided coated electrode is preferably used as a first electrode for lithium-ion cells.
- a cathode for example of the form LiNixMn y Co z 02, LiNiCoAlO 2 , LiCoO 2 , LiMn 2 04, LiFePo 4 or modifications thereof.
- anodes will be preferably used intercalation anodes, in particular graphite, carbon nanotubes or buckyballs.
- conversion anodes e.g. As Si, Sn can be used.
- the site of use of the electrode stacks produced according to the invention is, for example, stacked lithium ion pouch cells, hardcase cells, in particular prismatic hardcase cells, BEV, Nutshell cells and
- Ceramic-coated separators promises greater safety and reliability of lithium-ion cells for use, for example, in automotive applications. Ceramic-coated polyolefin separators also have advantages in terms of high-voltage stability.
- the shrinkage of the separator is avoided in the action of temperature.
- Additional materials such as adhesives or adhesive tapes.
- the invention allows, in the production of the film stack the
- the stacking process can be technically further optimized in the direction of high-speed stacking. By increasing the stack speed, cell production can be increased.
- the invention promises an increase in the volume utilization of
- Cell housing d. H. the spatial capacity of the cell. Furthermore, the invention also allows a reduction of material scrap.
- Figure 1 is a plan view of a separator sheet prepared according to the invention
- Figure 2 is a plan view of an arrangement with an inventive
- FIG. 3 shows a translucent plan view of a pocket according to the invention, in which a first electrode foil is arranged
- Figure 4 shows two steps in a manufacturing method according to the invention
- Figure 5 is a plan view of an arrangement with an inventive
- FIG. 6 shows a translucent plan view of pockets according to the invention, in which first electrode foils are arranged, in a perspective view
- FIG. 7 shows a schematic representation of a method step for
- FIG. 1 shows a separator film 4 which is prepared for use in the method according to the invention.
- the separator film 4 has a rectangular outline and comprises a first separator film half 4a and a second separator film half 4b, each of which has a square plan view by way of example.
- the first separator film half 4a and a second separator film half 4b, each of which has a square plan view by way of example.
- Separator film half 4a and the second separator film half 4b are relative to an axis y, which forms a major axis of the separator film 4,
- the separator film 4 has a first layer 6 which contains a polymer material, in particular a polyolefin film such as biaxially oriented PP, PE, etc.
- the first layer 6 is coated on one side with a ceramic, z. B. with AI2O3 or boehmite.
- the ceramic layer 8 first covers the entire first layer 6 of the separator film 4, which is not shown. Shown in FIG. 1 is the separator film 4, after a local removal of the ceramic layer 8 has taken place at defined locations 10.
- the local ablation may, for example, by means of a fiber laser, preferably pulsed laser radiation, most preferably ultrashort pulse laser radiation with pulse durations in the range of pico or
- Femtoseconds or be done by means of an excimer laser.
- the defined locations 10 at which the ceramic layer 8 has been removed are arranged symmetrically with respect to the axis y, ie. H. in that the first separator film half 4a and the second separator film half 4b
- Separator film halves 4a, 4b is due to the fact that the first Separator film half 4a during the manufacturing process of the film stack 2 on the second separator film half 4b along a fold line 12 which coincides with the axis y, is folded. In Figure 1, this is indicated by the two arrows.
- the defined locations 10 are located at the edge of the separator film 4.
- Separator film half 4a, 4b each have seven defined locations 10, which are positioned along the edge. Four defined locations 10 are arranged in the corners of the square outline and further three defined locations 10 are each arranged in the middle of one side. alternative
- Defined corners 10 located not be present or about lying in the pages defined locations 10 may not be present.
- FIG 2 shows the Separatorfolie 4 of Figure 1, wherein on the second
- the first electrode foil 14 comprises an exemplary square-shaped region with active layers 16 and a current conductor 18.
- the region with the active layers 16 is arranged centrally with respect to the second separator foil half 4b and surrounded by the defined locations 10.
- Electrode foil 14 is slightly smaller in size than the second
- FIG. 3 shows a pocket 20 which, after folding, is shown in FIG
- the pocket 20 therefore comprises two layers of the separator film 4, namely a lower layer which passes through the second separator film half 4b formed thereon, the first electrode film 14 is disposed thereon, and above, an upper layer formed by the first separator film half 4a.
- the defined locations 10 are now located in the corners of the pocket 20 and in addition there are three defined locations 10 which interpolate the corners.
- FIG. 4 shows a step in the production process of a film stack 2, wherein the pocket 20 described with reference to FIG. 3 is first processed at the defined locations 10.
- the defined locations 10 form connection points, where now the superimposed, ceramic-free areas of
- Separator 4 are present. At the defined locations 10, the respective layers are connected by means of ultrasound or other methods.
- the bag 20 is transferred to an assembly form, which is indicated by positioning guides 24.
- the positioning guides 24 are arranged so that an alternating arrangement of pockets 20 and second electrode foils 22 on each other forms the film stack 2.
- the second electrode foil 22 has approximately similar dimensions as the pocket 20, i. H. dimensions similar to the first or second separator film halves 4a, 4b in this embodiment. Only in the direction of the current collector 18 of the second electrode foil 22 remains
- Embodiment allows cycle times of 10 Hz or beyond and positioning accuracy of less than 0.5 mm between the separator and electrode films 4, 14, 22 and with respect to the electrode films 14, 22nd
- the electrode films 14, 22 are preferably coated on both sides
- unilaterally coated electrode films 14, 22 may be provided.
- the cathode foil is preferred as the first electrode foil 14 in the Pocket 20 is positioned as this is generally slightly smaller than the
- Anode foil is formed.
- the second electrode films 22 are then designed accordingly as anode foils.
- the anode foil may form the first electrode foil 14 and the cathode foil may form the second electrode foil 22.
- the separator film 4 which has been illustrated and described with reference to FIG. 1, is provided as a continuously fed film strip.
- the cutting into the individual separator foils 4 can take place, for example, after the positioning of the first electrode foil 14 or beforehand.
- the folding and cutting process can take place in a combined assembly step.
- FIG. 5 a further embodiment of the method according to the invention is shown, wherein initially a separator film 4 is provided, which, as described with reference to FIG. 1, the first layer 6 and the
- Ceramic layer 8 has (not separately shown in Figure 5), wherein the
- Ceramic layer 8 was removed at defined locations 10. Furthermore, a further separator film 40 is provided, which is formed in such a way that the defined locations 10 on depositing the further separator film 40 on the
- the method illustrated and described with reference to FIGS. 5 to 7 does not include a folding step.
- the separator film 4 and the further separator film 40 are provided as separator film webs 26, 28, an assembly having first electrode films 14 and the first one
- Separator film web 26 is provided, wherein the first electrode films 14 are positioned on the first Separatorfolienbahn 26.
- the second Separatorfolienbahn 28 is then supplied and on the arrangement with the first
- Electrode sheets 14 and the first Separatorfolienbahn 26 positioned.
- FIG. 6 shows the arrangement described with reference to FIG.
- the second separator film web 28 is
- FIG. 6 shows how connecting steps take place at the defined locations, for example by means of ultrasound or the thermal methods described above. Furthermore, it is shown that by means of a
- the pockets 20 are designed rectangular.
- Figure 7 shows the step of placing the pockets 20 in one
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Inorganic Chemistry (AREA)
- Cell Separators (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016218490.3A DE102016218490A1 (en) | 2016-09-27 | 2016-09-27 | Method for producing a film stack for a battery cell |
PCT/EP2017/073312 WO2018059971A1 (en) | 2016-09-27 | 2017-09-15 | Method for producing a film stack for a battery cell |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3520157A1 true EP3520157A1 (en) | 2019-08-07 |
Family
ID=59901527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17768775.3A Withdrawn EP3520157A1 (en) | 2016-09-27 | 2017-09-15 | Method for producing a film stack for a battery cell |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP3520157A1 (en) |
JP (1) | JP2019530177A (en) |
KR (1) | KR102404455B1 (en) |
CN (1) | CN109792018A (en) |
DE (1) | DE102016218490A1 (en) |
WO (1) | WO2018059971A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018206036A1 (en) * | 2018-04-20 | 2019-10-24 | Robert Bosch Gmbh | Method for producing a battery element for a battery cell and use |
US11171385B2 (en) * | 2018-07-12 | 2021-11-09 | GM Global Technology Operations LLC | Method of forming a separator for a lithium-ion battery |
GB2575785B (en) * | 2018-07-20 | 2021-12-22 | Dyson Technology Ltd | Stack for an energy storage device |
DE102021210275B4 (en) | 2021-09-16 | 2024-02-29 | Volkswagen Aktiengesellschaft | Process for producing a battery |
FR3141802A1 (en) * | 2022-11-04 | 2024-05-10 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Electrochemical accumulator whose separator impregnated with liquid electrolyte presents zones with differentiated thermal stability properties. |
Family Cites Families (22)
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JPH05314994A (en) * | 1992-05-12 | 1993-11-26 | Yuasa Corp | Manufacture of battery |
DE102004030619A1 (en) | 2004-06-24 | 2006-01-12 | Forschungszentrum Karlsruhe Gmbh | Method for joining workpieces made of plastic |
JP2008059966A (en) * | 2006-09-01 | 2008-03-13 | Hitachi Maxell Ltd | Nonaqueous secondary battery |
US7862627B2 (en) * | 2007-04-27 | 2011-01-04 | Front Edge Technology, Inc. | Thin film battery substrate cutting and fabrication process |
WO2008153749A1 (en) * | 2007-05-25 | 2008-12-18 | Massachusetts Institute Of Technology | Batteries and electrodes for use thereof |
CN201146222Y (en) * | 2007-12-14 | 2008-11-05 | 天津力神电池股份有限公司 | Novel lamination type lithium ion secondary battery |
JP2009289418A (en) * | 2008-05-27 | 2009-12-10 | Nec Tokin Corp | Manufacturing method of laminated secondary battery |
DE102009034674A1 (en) | 2009-07-24 | 2011-01-27 | Li-Tec Battery Gmbh | Lithium Ion Battery |
DE102010044080A1 (en) | 2010-11-17 | 2012-05-24 | Varta Microbattery Gmbh | Production process for electrodes |
CN103608967B (en) * | 2011-06-17 | 2017-05-10 | 应用材料公司 | Thin film battery fabrication with mask-less electrolyte deposition |
FR2979473B1 (en) * | 2011-08-29 | 2013-08-16 | Batscap Sa | LONG-TERM ENERGY STORAGE ASSEMBLY WITH INTERMEDIATE CONNECTION PIECE |
JP5333617B2 (en) * | 2012-02-03 | 2013-11-06 | 株式会社豊田自動織機 | Electrode storage separator, power storage device, and vehicle |
CN108054326A (en) | 2012-08-06 | 2018-05-18 | 住友化学株式会社 | The manufacturing method of the manufacturing method of separator, separator and secondary cell |
CN103094618A (en) * | 2012-12-19 | 2013-05-08 | 天津市捷威动力工业有限公司 | Bag-making type lithium ion battery and preparation method thereof |
JP6045921B2 (en) * | 2013-01-21 | 2016-12-14 | オートモーティブエナジーサプライ株式会社 | Multilayer battery and manufacturing method thereof |
JP2015015147A (en) * | 2013-07-04 | 2015-01-22 | 株式会社東芝 | Electrode forming apparatus |
DE102013224302A1 (en) | 2013-11-27 | 2015-06-11 | Robert Bosch Gmbh | Electrochemical cell and method for producing an electrochemical cell |
JP2015153579A (en) * | 2014-02-13 | 2015-08-24 | 住友電気工業株式会社 | Bag-shaped separator, manufacturing method for the same and power storage device |
WO2015145551A1 (en) * | 2014-03-24 | 2015-10-01 | 日産自動車株式会社 | Separator joining method for electrical device, and separator joining device for electrical device |
JP6427909B2 (en) * | 2014-03-24 | 2018-11-28 | 日産自動車株式会社 | Separator joining device for electrical devices |
DE102014210803A1 (en) * | 2014-06-05 | 2015-12-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Electric energy storage element, method and apparatus for its manufacture |
CN205583052U (en) * | 2016-03-18 | 2016-09-14 | 中山市众旺德新能源科技有限公司 | System pocket type lithium ion battery |
-
2016
- 2016-09-27 DE DE102016218490.3A patent/DE102016218490A1/en not_active Withdrawn
-
2017
- 2017-09-15 EP EP17768775.3A patent/EP3520157A1/en not_active Withdrawn
- 2017-09-15 CN CN201780059284.3A patent/CN109792018A/en active Pending
- 2017-09-15 KR KR1020197011817A patent/KR102404455B1/en active IP Right Grant
- 2017-09-15 WO PCT/EP2017/073312 patent/WO2018059971A1/en unknown
- 2017-09-15 JP JP2019516540A patent/JP2019530177A/en active Pending
Also Published As
Publication number | Publication date |
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JP2019530177A (en) | 2019-10-17 |
WO2018059971A1 (en) | 2018-04-05 |
CN109792018A (en) | 2019-05-21 |
DE102016218490A1 (en) | 2018-03-29 |
KR20190062466A (en) | 2019-06-05 |
KR102404455B1 (en) | 2022-06-07 |
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