WO2019052819A1 - Procédé de fabrication d'un agencement d'électrodes, agencement d'électrodes et élément de batterie comprenant au moins un agencement d'électrodes - Google Patents

Procédé de fabrication d'un agencement d'électrodes, agencement d'électrodes et élément de batterie comprenant au moins un agencement d'électrodes Download PDF

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Publication number
WO2019052819A1
WO2019052819A1 PCT/EP2018/073303 EP2018073303W WO2019052819A1 WO 2019052819 A1 WO2019052819 A1 WO 2019052819A1 EP 2018073303 W EP2018073303 W EP 2018073303W WO 2019052819 A1 WO2019052819 A1 WO 2019052819A1
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WO
WIPO (PCT)
Prior art keywords
adhesive
application
separator film
electrode unit
active material
Prior art date
Application number
PCT/EP2018/073303
Other languages
German (de)
English (en)
Inventor
Johannes Proell
Andreas RINGK
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to KR1020207010139A priority Critical patent/KR102616553B1/ko
Priority to CN201880058901.2A priority patent/CN111095647B/zh
Publication of WO2019052819A1 publication Critical patent/WO2019052819A1/fr

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Classifications

    • 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
    • H01M10/0436—Small-sized flat cells or batteries for portable equipment
    • 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
    • H01M4/0407—Methods of deposition of the material by coating on an electrolyte layer
    • 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
    • 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 an electrode arrangement in which a first separator film is provided, an electrode unit is placed on the first separator film, a second separator film is placed on the free side of the electrode unit and the two separator films are connected to each other by means of an adhesive or a polymer , Further aspects of the invention relate to an electrode arrangement produced according to this method and to a battery cell which comprises at least one such electrode arrangement.
  • Electrical energy can be stored using batteries. In the process, chemical reaction energy is converted into electrical energy in the battery.
  • a primary battery can only be discharged once. The discharge is irreversible and the primary battery can not be recharged.
  • secondary batteries which are also referred to as accumulators, are rechargeable. The following is the general
  • the term battery is used for both primary and secondary batteries.
  • lithium-ion batteries are known, which are characterized by a high energy density.
  • the lithium-ion battery essentially comprises a cathode, an anode, a separator arranged between the anode and cathode, and an ion-conducting electrolyte.
  • the separator has the task of electrically separating anode and cathode from each other, with an ion conduction through the separator is made possible.
  • US 2015/0140394 A1 discloses a method for producing a battery, in which a surface is formed on the surface of a conductive substrate
  • a frame region is defined on which at least partially an adhesive is applied, wherein an area surrounded by the frame area inner region remains substantially free of adhesive.
  • a cathode material is applied to this inner region.
  • a cathode current collector is
  • the cathode material On the cathode material is a
  • Electrolytic material applied which is electrically insulating, but is conductive for ions.
  • An anode material is then applied to the electrolyte material, wherein a cathode current collector is electrically conductively connected to the anode material and projects beyond the substrate.
  • the substrate is folded together with the layers arranged thereon, wherein the resulting battery is sealed with the applied adhesive.
  • a device for the continuous production of battery cells in which a separator material is unwound from a roll, a surface of the separator is coated with an adhesive, an electrode plate is placed on the separator and by means of heat bonding between the separator and the electrode plate is produced.
  • a method for producing an electrode arrangement comprises, in a first step, providing a first
  • a first application of an adhesive takes place according to a first predetermined application pattern on the first Separatorfolie, wherein a first adhesive application is formed.
  • the adhesive is then at least partially cured. This is followed by providing an electrode unit and placing the electrode unit on the first separator film, wherein the
  • Electrode unit comprises a first active material layer, a current collector and a second active material layer.
  • the electrode unit is placed on the first separator film such that the first active material layer directly adjoins the first separator film. This is followed by a second application of the adhesive according to a predetermined second order pattern, wherein a second
  • Adhesive application arises, which at least partially on the first
  • Adhesive application rests.
  • the first order pattern and the second order pattern are selected identically.
  • the second application is
  • Laying electrode unit wherein the second separator film is connected by means of the applied during the first and the second application adhesive with the first separator film.
  • Adhesive application in each case directly after application, preferably correspond to the thickness of the first or the second active material layer of the electrode unit or are preferably selected to be slightly thicker. Therefore, it is preferred that the thickness of the first adhesive application be in the range of 80% to 120% of the first application before performing the steps subsequent to the first application
  • Thickness of the first active material layer is located. It is also preferred that the thickness of the second adhesive application be within the range of 80% to 120% of the thickness of the second active material layer prior to the execution of the steps subsequent to the second application. Particularly preferred for the first adhesive application and / or for the second adhesive application is a thickness in the range from 100% to 120% of the thickness of the first and second active material layers, respectively.
  • the first application and / or the second application of the adhesive can each take place in the form of one layer or in the form of several layers.
  • the same application pattern is used, so that the individual layers of a
  • Adhesive coating on top of each other. If the application takes place in the form of several layers, after the application of each of the layers, at least partial curing of the previously applied layers of the adhesive can take place. Furthermore, it is conceivable such a
  • Intermediate curing only to be carried out when two or more layers have been applied. For example, such intermediate curing may occur every two to five layers.
  • the application pattern used to apply the adhesive preferably comprises one or more continuous adhesive lines.
  • the application pattern used may comprise individual adhesive dots which are arranged, for example, along a straight line.
  • an outer region is defined on the first separator film which is provided for a connection between the first separator film and the second separator film.
  • the inner region is preferably designed to be continuous.
  • the inner region may, for example, be rectangular, with the outer region at least partially enclosing the inner region.
  • the inner region is preferably as a contiguous strip-shaped region on which the first separator film represents
  • the outer region can not be configured contiguously and executed in the form of two strips are each adjacent to a side of the inner region, so that seen along the width of the material web, a first outer region, the inner region and a second outer region are arranged.
  • each of the first and the second outer region in each case one or more continuous adhesive lines are applied, wherein the adhesive lines extend along a transport direction of the material web, wherein each of the first and the second outer region each comprise at least one continuous adhesive line.
  • the adhesive lines extend along a transport direction of the material web, wherein each of the first and the second outer region each comprise at least one continuous adhesive line.
  • glue dots can be arranged in particular along a line, which line preferably extends in the transport direction of the material web.
  • the first and the second outer region each comprise at least one line along which individual adhesive dots are applied.
  • the one or more continuous adhesive line preferably has a thickness which is in the range from 10 ⁇ m to 400 ⁇ m.
  • a ratio of width to thickness is preferably in the range of 0.5: 1 to 2: 1.
  • the thickness of the adhesive is in this case indicated along a direction which runs perpendicular to the surface of the first separator film and corresponds to the stacking direction during the production of the electrode arrangement.
  • the width of a continuous adhesive line is indicated along a direction which is perpendicular to the thickness and perpendicular to the direction of the line along which the adhesive is applied.
  • the adhesive points When applying the adhesive in the form of individual adhesive dots, the adhesive points preferably have a thickness which is in the range of 10 ⁇ to 400 ⁇ . A diameter of such adhesive point is preferably in the range of 10 ⁇ to 400 ⁇ . The diameter of a
  • Adhesive point is related to a plane that corresponds to the level of the first separator.
  • a ratio of diameter to thickness is preferably in the range of 0.5: 1 to 2: 1.
  • the electrode unit preferably further includes a Ableitfähnchen connected to the current collector, which protrudes beyond the first Separatorfolie after laying on the first separator and optionally at least partially rests on the applied by the first adhesive application adhesive. About the Ableitfähnchen an electrical contacting of the electrode unit is possible.
  • the adhesive applied in the previous steps is preferably completely cured.
  • the applied adhesive is preferably a polymer.
  • the applied adhesive is preferably a by means of electromagnetic radiation, in particular UV radiation curable adhesive.
  • UV radiation is in particular electromagnetic radiation having a wavelength in the range from about 200 nm to 380 nm.
  • adhesives which cure by means of UV radiation are acrylates, such as, for example, Vitralit®
  • an adhesive may be used which is cured by the action of heat.
  • Hotmelt adhesives which are processed in a heated state and cure by cooling.
  • Hotmelt adhesives based on olefins such as polyethylene (PE) or polypropylene (PP).
  • a suitable hotmelt adhesive is, for example, Technomelt® AS4206 from Henkel.
  • the application of the adhesive takes place in the case of a job in the form of continuous lines of adhesive, preferably with a dispenser, is continuously discharged from the adhesive.
  • an applicator head which can selectively deliver individual drops of adhesive on request.
  • Application heads are also referred to as jet dispensers or jetties.
  • the electrode unit used for producing the electrode arrangement is preferably an electrode unit which is suitable for producing a lithium-ion battery. This is in particular a suitable as a cathode or anode of a lithium-ion battery
  • An electrode unit designed as an anode preferably comprises a current conductor, which consists for example of copper, and a lithium-containing active material for the first active material layer and / or for the second active material layer.
  • a current conductor which consists for example of copper
  • a lithium-containing active material for the first active material layer and / or for the second active material layer.
  • metallic lithium is used as
  • Active materials of the anode are pure lithium as well as graphite, silicon and modified graphite.
  • the current conductor is preferably made of aluminum and the first
  • Active material layer and / or the second active material layer comprise a cathode material, which can reversibly intercalate lithium ions and re-store.
  • suitable active materials of the cathode are in particular metal oxides such.
  • B NCA Nickel Cobalt Aluminum Oxide
  • NCM Nickel Cobalt Manganese Oxide
  • the Separatorfolie is designed so that it acts electrically insulating, but is permeable to lithium ions.
  • Suitable materials for the separator film include porous plastic films, for example based on polyethylene or polypropylene. Also suitable are, in particular, polyethylene-coated or polypropylene-coated ceramic films.
  • a liquid electrolyte which contains, for example, the lithium-conductive salt lithium hexa-fluorophosphate (LiPF6) dissolved in organic solvents.
  • LiPF6 lithium hexa-fluorophosphate
  • the invention further relates to an electrode assembly which has been produced by one of the described methods. Depending on the selection of
  • Electrode unit the electrode assembly is a recorded in a separator pocket cathode or anode for a battery cell.
  • the electrode assembly can be combined into a galvanic element by combining an electrode assembly containing a cathode as an electrode unit with an anode and an electrolyte and accommodating it in a housing. It is also possible to combine an electrode arrangement, which contains an anode as the electrode unit, with a cathode and an electrolyte and to receive them in a housing.
  • electrode stacks can be produced in which one of the described electrode arrangements, which have an electrode unit enclosed between the separator foils, is stacked alternately with in each case one further electrode.
  • the electrode unit arranged between the two separator foils is designed as a cathode, so that the electrode arrangement is stacked alternately with anodes and in another
  • Embodiment is taken in each case between two Separatorfolien an anode as the electrode unit, so that the electrode assembly is stacked alternately with a cathode.
  • Another aspect of the invention relates to a battery cell, which comprises at least one of the described electrode arrangement.
  • Electrode arrangement can be combined in particular with other electrodes as well as with an electrolyte.
  • the battery cells can be used in particular in connection with electric vehicles, in particular with hybrid vehicles, or else for electrically driven tools. Advantages of the invention
  • Separator foils is included.
  • the two Separatorfolien be glued together, so that a separator pocket is created.
  • the separator used for the connection of the two separator films should be applied in such a way that the thickness of the adhesive has a thickness of the thickness between the two separator films
  • Adhesive application for example in the form of a continuous adhesive line or
  • Adhesive bead or in the form of adhesive drops is the glue line or bead at least as wide as the glue line or bead is thick. In the usual order of adhesive drops applies accordingly that a diameter of the adhesive drop is at least as large as its thickness. To achieve the desired thickness of the adhesive application is thus comparatively much
  • Adhesive are applied, wherein preferably in each case the same application pattern is used and the at least two adhesive layers are at least partially superposed. In the preferred ideal case, the respective individual layers of the adhesive are superposed without an offset. Since before the second application made at least partial curing of the first adhesive application was, there is no bleeding of the first adhesive application, the first
  • Adhesive application is dimensionally stable. If in each case a layer of adhesive is applied during the first application of adhesive and during the second application of adhesive, a total of two layers of adhesive are applied, and in this way a total thickness of the adhesive can be achieved which is substantially greater than that
  • Width of a continuous glue line or as the diameter of an adhesive point For example, with a total of two layers, a ratio of thickness to width or thickness to diameter of 2: 1 can be achieved.
  • each case several layers of the adhesive are applied during the first application and / or during the second application.
  • the ratio between thickness and width or thickness and diameter can be further improved, so that a glue application with a large thickness at relatively small width or
  • Diameter is achieved.
  • attainable thicknesses in the range of 10 ⁇ to 400 ⁇ at widths and diameters of 10 ⁇ to 400 ⁇ .
  • achievable ratios of thickness to width of an adhesive line or thickness to the diameter of an adhesive point are for example in the range of 0.5: 1 to 10: 1.
  • Adhesive amount is applied as a single layer, the amount of adhesive required for an adhesive application thickness can be significantly reduced, whereby in a battery cell more space for active material is available and thus advantageously the power density of a corresponding battery cell is improved.
  • the adhesive may also be used to seal the electrode unit at the edges of the adhesive
  • Electrode unit done.
  • the applied adhesive serves as
  • Sealing material which otherwise would have to be arranged separately on the edges of the electrode unit.
  • the behavior of a battery cell, which contains the electrode assembly can be improved, as this, for example, the lithium plating, at which arranges metallic lithium above the active material of the electrode, prevented or at least reduced.
  • an adhesive line continuous adhesive line can reduce migration of particles through the cell, thereby further increasing the reliability of a battery cell. Another advantage can be seen in the fact that the adhesive seam gives the electrode assembly additional stability.
  • Figure 1 is a schematic perspective view of a first
  • Figure 2 is a schematic representation of the top of the first
  • FIG. 3 is a schematic sectional view of a first embodiment of the electrode arrangement
  • FIG. 4 shows a schematic sectional illustration of a second embodiment of the electrode arrangement
  • Figure 5 is a schematic perspective view of a second
  • Figure 6 is a schematic representation of the top of the second
  • Figure 1 shows a first embodiment of the method according to the invention schematically, wherein Figure 1 is a perspective view.
  • a first separator film 12 is transported along a transport direction 40.
  • the first separator sheet 12 is provided in the form of a continuous material which is received, for example, on a roll and unwound for processing.
  • Separator film 12 is divided in the first embodiment variant shown in Figure 1 into three strip-shaped regions, along the width of the first Separatorfolie 12, ie along a direction perpendicular to the transport direction 40, the first Separatorfolie 12 in this order, a first outer region 52, an inner Area 54 and second outer area 56 has.
  • the first outer region 52 and the second outer region 56 represent areas in which an adhesive application will take place.
  • the inner region 54 remains free of adhesive.
  • two first dispensers 30 are provided, via which a continuous adhesive line 48 is applied in each case in the first outer region 52 and in the second outer region 56.
  • a first light source 32 is arranged both for the first outer region 52 and for the second outer region 56.
  • UV light is emitted, which is suitable for partially curing the applied adhesive.
  • the respective adhesive lines 48 are partially cured, so that the adhesive lines are dimensionally stable.
  • dimensional stability is understood to mean that the continuous adhesive lines 48 applied by the first dispensers 30 do not run, ie that the ratio between the thickness of the adhesive line 48 and the width of the adhesive line 48 does not change.
  • the partially cured adhesive is not fully cured so that it can bond to a subsequently applied adhesive line 48.
  • the by the first dispenser 30 applied continuous adhesive lines 48 represent the first adhesive application 16.
  • Adhesive lines 48, an electrode unit 20 is placed on the inner region 54 of the first Separatorfolie 12.
  • the electrode unit 20 has a first active material layer 22, a current conductor 24 and a second one
  • the electrode unit 20 further comprises an arrester tab 28 which is electrically connected to the current conductor 24 of FIG. 1
  • Electrode unit 20 is connected.
  • the Ableiterfähnchen 28 protrudes beyond the first Separatorfolie 12 and thus lies on the means of the first
  • Dispenser 30 applied adhesive line 48 and the first adhesive application 16 on.
  • Electrode unit 20 completely within the inner region 54 on the first Separatorfolie 12, so that the first active material layer 22 of the
  • Electrode unit 20 is directly connected to the first Separatorfolie 12.
  • a second application of adhesive takes place.
  • the second application is again such that continuous adhesive lines 48 are dispensed, forming a second adhesive application 18.
  • the second adhesive application 18 takes place according to the same pattern as for the first
  • Adhesive application 16 so that the continuous adhesive lines 48 delivered by the second dispensers 31 lie directly on the continuous adhesive lines 48 emitted by the first dispensers 30. Only at the point at which the Ab qualifyingdähnchen 28 rests on the first adhesive application 16 or on the output by the first dispenser 30 adhesive line 48, the second adhesive application 18 takes place on the Ableitfumblenchen 28th
  • a partial curing of the adhesive follows again, in which connection both for the first outer region 52 and for the second outer region 56 in each case a second light source 33 is provided.
  • the second light sources 33 emit UV light, which is suitable for partially curing the applied adhesive.
  • the continuous adhesive lines 48 applied by the second dispensers 31 are dimensionally stable, but may intermesh with the underlying continuous adhesive lines 48 and with a subsequently applied second
  • a second separator film 14 is provided and using a deflection roller 38 on the electrode unit 20 and on the in the first outer region 52 and in the second outer region 56 adhesive application 16, 18th launched.
  • a connection between the first separator film 12 and the second separator film 14 is provided by the first adhesive application 16 and the second adhesive application 18.
  • the second separator film 14 is preferably provided in the form of a continuous material, which may for example be present wound on a roll and is unrolled for processing.
  • the electrode assembly 10 obtained in this way can be combined with further electrode assemblies for further processing into a galvanic element, for which purpose the electrode assembly 10 produced is subdivided, for example, into individual pieces, each comprising a single electrode unit 20 embedded between two separator sheets 12, 14 or the like
  • Electrode assembly 10 may be folded along fold lines which are each between two electrode units 20.
  • a third light source 34 can be seen in the transport direction 40 for both the first outer region 52 and the second outer region 56 be arranged, which emits UV light, which is set up for complete curing of the adhesive.
  • thermosetting adhesive instead of the light sources 32, 33, 34 each have a thermosetting adhesive
  • FIG. 2 shows the production method of the first embodiment variant shown schematically in FIG. 1 in a representation from above. In the representation in FIG. 2, it is clear that in the illustrated embodiment, both the first adhesive application 16 by the first dispenser 30 and the second adhesive application 18 by the second dispenser 31 according to the same
  • Application pattern takes place, so that the continuous adhesive lines 48 applied by the respective dispensers 30, 31 lie on one another.
  • the applied adhesive lines 48 are in the first outer region 52 and the second outer region 56.
  • the inner region 54 which lies between the first outer region 52 and the second outer region 56, remains free of adhesive.
  • the electrode unit 20 is apart from their
  • FIG. 3 shows a sectional view of an electrode arrangement 10 according to a first embodiment.
  • the representation of FIG. 3 is not complete, only a part of the electrode arrangement 10 is illustrated which comprises the first outer region 52 and a part of the inner region 54.
  • the illustration in Figure 3 can be seen that the electrode unit
  • a first adhesive application 16 can be seen, which has a thickness d and a width b.
  • the thickness d which is identical to a thickness of the first active material layer 22, is slightly smaller than the width b.
  • the electrode unit may deviate from a thickness existing directly after the application.
  • an adhesive application with a thickness which is greater than the thickness of an active material layer is carried out by further adhesive jobs and / or by placing the second
  • Separator foil 14 a deformation of the adhesive, which is characterized by a
  • Adhesive application 16, 18 to the total thickness electrode unit 20 adapts.
  • the Ableiterfähnchen 28 of the electrode unit 20 protrudes over the first
  • Separator 12 and is in the sectional view in Figure 3 on the first adhesive application 16.
  • the second adhesive application 18 is placed, wherein a thickness d of the second adhesive application 18 again corresponds to the thickness of the second active material layer 26.
  • the second separator film 14 is in direct communication with the second one
  • FIG. 4 shows a second embodiment of the invention
  • Electrode assembly 10 Compared with the first embodiment of the electrode assembly 10 described with reference to Figure 3 is in the second
  • the first adhesive application 16 and the second adhesive application 18 each in the form of a first layer 42 and a second layer 43 executed. Due to the multi-layer application of the adhesive, the first Adhesive application 16 or the second adhesive application 18 has a total thickness D, which is composed of the thicknesses d of the individual layers 42, 43. The total thickness D is substantially greater than the width b of the first adhesive application 16 and of the second adhesive application 18. The information regarding the thicknesses of the individual layers 42, 43, the total thickness D and the width b of the first
  • Adhesive application 16 or second adhesive application 18 in each case relate to the state after the second separator film 14 has been applied.
  • Figure 5 shows a second embodiment of the method in a schematic perspective view.
  • first application heads 44 is made on the first Separatorfolie 12 both in the first outer region 52 and in the second outer region 56 of the first adhesive application 16, wherein the Adhesive is dispensed in the form of a pattern, which comprises along a line arranged adhesive dots 50 so.
  • a first partial curing follows after the first application, whereby first light sources 32 are again used for this purpose.
  • the electrode unit 20 is placed on the first Separatorfolie 12, wherein again the first active material layer 22 completely rests in the inner region 54 and is directly in communication with the first Separatorfolie 12.
  • the Ableiterfähnchen 28 again protrudes beyond the first Separatorfolie 12 and may optionally on one or more of the
  • Adhesive dots 50 of the first adhesive application 16 rest.
  • the application of the electrode unit 20 is followed by a second application of adhesive, which is effected by means of second application heads 46. Also for the second application, the same job pattern is used, so that the
  • Adhesive dots 50 of the second adhesive application 18 are applied congruently with the adhesive dots 50 of the first adhesive application 16 and thus lie on this. This is followed by a second partial curing of the adhesive, for which second light sources 33 are used again. it is followed by the laying on of the second separator film 14, wherein the second separator film 14 again by means of the deflection roller 38 to the second
  • Active material layer 26 of the electrode unit 20 and the adhesive present in the first outer region 52 and the second outer region 56 is pressed.
  • FIG. 6 shows the second embodiment of the production method in a schematic view from above.
  • the glue dots 50 are respectively applied in the first outer region 52 and in the second outer region 56, so that the inner region 54 remains free of adhesive.
  • the electrode unit 20 lies apart from its Ableitfähnchen 28 completely in the inner region 54 on the first

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  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
  • Cell Separators (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un agencement d'électrodes (10). Le procédé consiste, dans une première étape, à la fourniture un premier film séparateur (12). Ensuite, une première application d'un adhésif, selon un premier motif d'application prédéterminé, est effectuée sur le premier film séparateur (12), une première application d'adhésif (16) étant obtenue. L'adhésif est ensuite au moins partiellement durci. Ensuite, une fourniture d'une unité d'électrode (20) et un placement de l'unité d'électrode (20) sur le premier film séparateur (12) sont effectués, l'unité d'électrode (20) comportant une première couche de matériau actif (22), un collecteur de courant (24) et une deuxième couche de matériau actif (26). L'unité d'électrode (20) est placée sur le premier film séparateur (12) de telle sorte que la première couche de matériau actif (22) est directement adjacente au premier film séparateur. Ensuite, une deuxième application de l'adhésif, selon un deuxième motif d'application prédéterminé, est effectuée, une deuxième application d'adhésif (18) étant obtenue, qui, au moins partiellement, est placée sur la première application d'adhésif (16). L'adhésif appliqué lors de la deuxième application est au moins partiellement durci. Ensuite, un deuxième film séparateur (14) est fourni et placé sur le côté libre de l'unité d'électrodes (20), le deuxième film séparateur (14) étant raccordé au premier film séparateur (12) au moyen de l'adhésif appliqué lors de la première et de la deuxième applications. L'invention concernent en outre un agencement d'électrodes (10) fabriqué selon ledit procédé et un élément de batterie, qui comprend un tel agencement d'électrodes.
PCT/EP2018/073303 2017-09-12 2018-08-30 Procédé de fabrication d'un agencement d'électrodes, agencement d'électrodes et élément de batterie comprenant au moins un agencement d'électrodes WO2019052819A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020207010139A KR102616553B1 (ko) 2017-09-12 2018-08-30 전극 어셈블리 제조 방법, 전극 어셈블리, 그리고 하나 이상의 전극 어셈블리를 포함한 배터리 셀
CN201880058901.2A CN111095647B (zh) 2017-09-12 2018-08-30 电极装置及其制造方法和包括电极装置的电池组电池

Applications Claiming Priority (2)

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DE102017216101.9 2017-09-12
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113632274A (zh) * 2019-12-10 2021-11-09 株式会社Lg新能源 单元电池以及制造该单元电池的方法和设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040079533A (ko) 2003-03-07 2004-09-16 에프원 주식회사 와인딩 타입의 셀 스태킹머신
WO2007013077A2 (fr) * 2005-07-27 2007-02-01 Cellergy Ltd. Dispositif de stockage d'energie electrochimique multicouche et procede de fabrication
US7951480B1 (en) * 2003-10-29 2011-05-31 Quallion Llc Separator bag for use in electrochemcial cell
US20150140394A1 (en) 2013-11-13 2015-05-21 R.R. Donnelley & Sons Company Battery
US20160351939A1 (en) * 2014-01-27 2016-12-01 The Penn State Research Foundation Sandwich Panels with Battery Cores

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006054308A1 (de) * 2006-11-17 2008-05-21 Dieter Teckhaus Elektrodenanordnung für eine Batterie oder Sekundärbatterie
JP5586044B2 (ja) * 2010-02-10 2014-09-10 Ｎｅｃエナジーデバイス株式会社 積層型二次電池
DE102012212887A1 (de) * 2012-07-23 2014-01-23 Dürr Systems GmbH Akkumulator mit galvanischen Zellen
JP6163847B2 (ja) * 2013-04-17 2017-07-19 三菱自動車工業株式会社 二次電池
JP6694246B2 (ja) * 2014-08-18 2020-05-13 昭和電工パッケージング株式会社 薄型蓄電デバイス及びその製造方法
DE102015218533A1 (de) * 2015-09-28 2017-03-30 Robert Bosch Gmbh Verfahren zur Herstellung eines Elektrodenverbundes
DE102016218496A1 (de) * 2016-09-27 2018-03-29 Robert Bosch Gmbh Verfahren zur Herstellung einer Elektrodeneinheit für eine Batteriezelle und Elektrodeneinheit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040079533A (ko) 2003-03-07 2004-09-16 에프원 주식회사 와인딩 타입의 셀 스태킹머신
US7951480B1 (en) * 2003-10-29 2011-05-31 Quallion Llc Separator bag for use in electrochemcial cell
WO2007013077A2 (fr) * 2005-07-27 2007-02-01 Cellergy Ltd. Dispositif de stockage d'energie electrochimique multicouche et procede de fabrication
US20150140394A1 (en) 2013-11-13 2015-05-21 R.R. Donnelley & Sons Company Battery
US20160351939A1 (en) * 2014-01-27 2016-12-01 The Penn State Research Foundation Sandwich Panels with Battery Cores

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113632274A (zh) * 2019-12-10 2021-11-09 株式会社Lg新能源 单元电池以及制造该单元电池的方法和设备

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CN111095647B (zh) 2023-10-31

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