WO2011020545A1 - Verfahren zum herstellen eines elektrodenstapels - Google Patents
Verfahren zum herstellen eines elektrodenstapels Download PDFInfo
- Publication number
- WO2011020545A1 WO2011020545A1 PCT/EP2010/004648 EP2010004648W WO2011020545A1 WO 2011020545 A1 WO2011020545 A1 WO 2011020545A1 EP 2010004648 W EP2010004648 W EP 2010004648W WO 2011020545 A1 WO2011020545 A1 WO 2011020545A1
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- WO
- WIPO (PCT)
- Prior art keywords
- electrode
- electrode stack
- separator
- stack
- layers
- Prior art date
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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
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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
- H01M10/04—Construction or manufacture in general
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
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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
- H01M10/04—Construction or manufacture in general
- H01M10/0459—Cells or batteries with folded separator between plate-like electrodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
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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
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
- Y10T29/49115—Electric battery cell making including coating or impregnating
Definitions
- the present invention relates to a method for producing an electrode stack, an electrode stack produced by this method, an electrochemical energy storage device with at least one of these electrode stacks and a battery having at least one of these electrochemical energy storage devices.
- the invention will be described in the context of lithium-ion batteries. The invention can also be used regardless of the design of the battery.
- Electrochemical energy storage devices are known from the prior art whose actual charge capacity falls short of the calculated charging capacity already after production. Furthermore, electrochemical energy storage devices are known whose charge capacity decreases during operation.
- DE 19943 961 A1 discloses a flat cell of the type mentioned in the introduction, in which the separator has a larger area than the cathode and the anode.
- the known flat cell has housing parts, in which the cathode or the anode are introduced. The housing parts are connected together by a sealing material to complete the cell.
- Claim 9 describes an electrode stack, which is produced by a method according to the invention.
- Claim 12 describes an electrochemical energy storage device with at least one of these electrode stacks.
- Claim 13 describes a battery having at least one electrochemical energy storage device with an electrode stack according to the invention.
- An inventive method makes the production of an electrode stack with three or more layers for an electrochemical energy storage device.
- the electrode stack has one or more separator layers.
- the electrode stack has two or more electrode plates each having a first polarity or a second polarity.
- a separator layer is arranged by means of a guide device, in particular on an electrode plate.
- An electrode plate of the first polarity is arranged in particular on the separator layer.
- a layer of the electrode stack, in particular this first polarity electrode plate, is fixed by means of a first holding device.
- the individual steps preferably take place in the named or alphabetical order according to claim 1c, particularly preferably several times in succession.
- An electrode stack in the sense of the present invention is to be understood as an apparatus which serves in particular for the absorption and release of energy.
- the electrode stack has at least three layers, including at least one electrode of a first polarity, an electrode of a second polarity, and a separator arranged between these electrodes.
- the layers of the electrode stack are formed thin-walled. loading Particularly preferably, the individual layers of the electrode stack are rectangular.
- a layer of the electrode stack is preferably designed as an electrode plate or separator layer.
- the electrode stack extends in a main stacking direction which is perpendicular to the surfaces of a layer which contact adjacent layers.
- an electrode plate is understood to mean a device which serves to deliver and / or absorb, in particular, electrical energy. Electrical energy supplied to an electrode plate is first converted into chemical energy and stored as chemical energy. Preferably, ions are temporarily supplied to an electrode plate, which are stored in interstices. Before releasing electrical energy, the stored chemical energy is first converted into electrical energy in an electrode plate. Also, an electrode plate is provided to temporarily record and / or deliver electrons. Preferably, an electrode plate is thin-walled and substantially rectangular, with the electrode plate having four boundary edges.
- a separator or a separator layer in the sense of the invention means a device which in particular separates two electrode plates from one another.
- one separator layer separates two electrode plates of different polarity.
- a separator layer temporarily takes up an electrolyte.
- a separator layer absorbs lithium ions at least temporarily.
- a separator layer acts essentially as an insulator with respect to electrons.
- a Separatorlage is thin-walled and plate-shaped. The geometry of a separator layer preferably corresponds to the shape of an adjacent electrode plate. Particularly preferably, the lengths of the boundary edges of a separator layer are longer than the corresponding, in particular parallel, boundary edges of adjacent electrode plates.
- the polarity of an electrode plate in the sense of the invention means that this electrode plate is electrically connected to either the positive pole or the negative pole of an electrical voltage source which is superordinate to the electrode stack.
- An electrode plate is connected to either the positive pole or the negative pole of the parent voltage source and has either a first or a second polarity.
- An electrode plate of the first polarity is preferably formed as an anode, an electrode plate of the second polarity preferably as a cathode.
- the term "anode” here refers to the electrode which is negatively charged in the charged state.
- the term arranging in the sense of the invention means a process in which a separator layer or an electrode plate is supplied to the higher-order electrode stack.
- a separator layer or an electrode plate is supplied to the electrode stack such that the boundary edges of the individual layers are arranged substantially parallel to one another.
- a separator layer or an electrode plate is supplied to the electrode stack in such a way that the supplied layer contacts the adjacent layer substantially over the entire area.
- a guide device is to be understood as a device which temporarily holds a position to be supplied to the electrode stack in a form-fitting and / or non-positive manner, feeds this layer to the electrode stack and arranges it on a layer of the electrode stack.
- the guide device is provided to release a layer according to their arrangement in the electrode stack.
- a guide device is designed as a gripping device.
- a guide device is automated, in particular for increasing the repeatability.
- a guide device is computer-controlled.
- a guide means comprises a pair of rollers between which a separator layer is temporarily located. Particularly preferably, the distance of the roller pair is variable.
- Fixing in the sense of the invention means that the unintentional displacement of the electrode stack or one of its layers can only take place after overcoming a resistance.
- the fixing serves, in particular, for an automated guide device or feed device to be able to properly feed a separator layer to the electrode stack.
- an automated guide device or feed device to be able to properly feed a separator layer to the electrode stack.
- a holding device is to be understood as meaning a device which serves in particular for fixing a position of the stack or of the entire stack.
- the holding device temporarily exerts a force on a layer of the electrode stack or the entire electrode stack.
- the holding device is automated.
- the holding device is provided for cooperation with the guide device.
- the holding device is adapted to the shape of a layer of the electrode stack.
- the holding device is designed such that the force acting on a layer of the electrode stack during a fixing process is adapted to the surface pressure which can be borne by this layer.
- the holding device is provided to fix an electrode plate.
- the holding device is provided to temporarily exert a force on an electrode plate.
- the width of a holding device is adapted to the width of a layer of the electrode stack, in particular to an electrode plate.
- an electrode plate extends at least partially beyond the adjacent separator layers.
- the so-called creepage distance ie the distance between the live parts, is extended by a separator layer preferably extending over adjacent electrode plates.
- electric currents between the boundary edges of two electrode plates of different polarity so-called parasitic currents, are reduced by the separator layer located therebetween. Currents between boundary edges of electrode plates of different polarity lead in particular to a reduction of the energy stored in the electrode stack.
- the method for producing the electrode stack in particular five or more layers.
- the manufacturing process further steps, which are additionally performed the above steps.
- a separator layer is arranged by means of the guide device, in particular on one of these electrode plates.
- an electrode plate of the second polarity is arranged in particular on the separator layer.
- a layer of the electrode stack, in particular the electrode plate of the second polarity is fixed by means of a second holding device.
- the first or second holding device is removed from the electrode stack.
- the holding device is removed, which is located between two layers in the interior of the electrode stack.
- steps d) to g) are performed in alphabetical order and following step c).
- one of the two holding devices is removed only when the other of the two holding devices fixes a position of the electrode stack.
- both holding devices are simultaneously involved in fixing at the same time.
- at least one holding device is constantly involved in fixing a layer of the electrode stack.
- the position of the electrode stack or the fixed position of the electrode stack is always maintained during production.
- one or both of these first or second holding devices at times exert a normal force on at least one of the electrode plates, the normal force acting perpendicular to a surface of one of the electrode plates.
- an electrode plate of the first polarity is then placed in a separator layer, thereafter an electrode plate of the second polarity, thereafter a further separator layer in the electrode stack.
- the result is a sequence of separator layer in the electrode stack - electrode plate of the first polarity - separator layer - electrode plate of the second polarity.
- the guide device exerts a tensile force on the separator layer at least during steps a) and d).
- a tensile force is used in particular to improve the contact of the separator layer and the adjacent electrode plate that is as full as possible over the entire surface.
- the tensile force exerted on the separator layer by the guide device is dimensioned so that the separator layer is not stretched as far as possible.
- these one or more electrode plates during steps b) or e) are supplied to the electrode stack with a direction vector which runs parallel to a position of the electrode stack.
- Direction vector supplied which is arranged perpendicular to the main stacking direction of the electrode stack.
- these are fed one or more electrode plates from the side.
- electrode plates of different polarity are guided to the electrode stack from different sides.
- the electrode stack is displaced by a predetermined distance along the main stacking direction.
- the feeding of the next layer can advantageously take place along the same motion vector.
- a holding device in particular during the displacement of the electrode stack exert a force on a layer, in particular an electrode plate.
- this receiving device is preferably height-adjustable. After arranging a position of the electrode stack, the receiving device is displaced by a predetermined path, in particular lowered. This predetermined path particularly preferably corresponds to the wall thickness of the separator layer just introduced.
- These one or both holding devices are preferably associated with this receiving device. Especially preferred These one or both holding devices are connected to this receiving device.
- the separator layer is advantageously arranged during steps a) and / or d) by deflecting the previously applied separator layer through the guide device.
- the separator layer does not terminate in the vicinity of a boundary edge of the adjacent electrode plate, but extends significantly beyond this boundary edge, wherein the separator layer is dimensioned substantially at least twice as large as an adjacent electrode plate.
- the separator material forming the separator layer is strip-shaped, wherein the surface of the separator material is dimensioned at least as large as twice the surface of an electrode plate.
- the separator material extends in a band shape along a main extension direction and has a predetermined width. This predetermined width substantially corresponds to the length or width of the adjacent, substantially rectangular electrode plate.
- the separator material has a plurality of substantially rectangular separator regions, which are provided to act in each case as a separator layer.
- the separator material is preferably supplied to the electrode stack such that a first separator region as a first separator layer and an adjacent second separator region form a second separator layer. These first and second separator regions adjoin one another along a deflection region. This deflection region protrudes between two adjacent electrode plates and abuts against the latter substantially along a boundary edge of an adjacent electrode plate.
- the band-shaped separator material is angled out of the plane of the previously arranged separator layer and brought around the boundary edge of the subsequently arranged electrode plate for engagement with the still free surface of this electrode plate.
- the band-shaped separator material is separated only after completion of the E- lektrodenstapels.
- the guide means exercises During the deflection, a tensile force on the Separatorlage or the separator material. While this pulling force is exerted, the first or the second holding device exerts a normal force on the previously arranged electrode plate. In particular, an undesired displacement of a layer of the electrode stack is prevented.
- the separator layer or the separator material is deflected around this first or second holding device.
- this first or second holding device terminates substantially flush with the boundary edge of the separator material facing the boundary edge of the previously arranged electrode plate.
- the separator layer or the separator material is supplied with a first fluid stream before or during its arrangement in the electrode stack.
- the first fluid stream preferably flows along the separator layer or the separator material.
- this fluid stream is used for evaporation of a solvent, the supply of a solvent and / or the supply of heat energy.
- the fluid stream is loaded with an electrolyte.
- this electrolyte has lithium ions.
- the fluid stream comprises a solvent, a gas of predetermined temperature and / or particles.
- the fluid stream is preferably in the form of a charged solvent mist, which is directed onto a surface of the separator material or the separator layer at a predetermined substantially right angle.
- a separator layer is unwound from a first storage device and fed to the electrode stack.
- a first storage device in the sense of the invention means a device from which the separator material is received and can be dispensed.
- the guide device is arranged between the electrode stack and the first storage device along the separator material.
- the first storage device has a drive, which serves in particular to limit the tensile force on the separator layer or the separator material together with the guide device.
- the drives of the coupling device and the first storage device coupled.
- the first storage device or the guide device is associated with a separating device. This is intended to cut off the separator material in particular after completion of an electrode stack.
- an electrode plate is removed before or during its arrangement in the electrode stack of a second storage device, in particular unwound and in particular separated a separating device.
- a second storage device is to be understood as meaning a storage device corresponding to a first storage device, wherein a second storage device is provided to receive and deliver electrode material.
- the separation of an electrode plate preferably takes place before it is arranged in the electrode stack by means of a separating device which separates individual electrode plates from the electrode material.
- isolated electrode plates are held on a storage surface as a stack for feeding.
- this bearing surface is height adjustable in stacking devices.
- the bearing surface is raised by a predetermined distance after removal of an electrode plate.
- this predetermined path corresponds to the wall thickness of the electrode plate.
- this bearing surface is lowered by this predetermined path before supplying an electrode plate.
- the delivery of the materials for the electrode plates of different polarities preferably takes place from two different second storage devices.
- an electrode stack produced according to the invention is transferred into a drying device, which draws solvent from the electrode stack.
- an electrode stack is transferred after its production in an enclosure.
- an electrode stack produced by a method according to the invention has five or more substantially rectangular layers. These include two or more separator layers. These two or more separator layers are arranged between each two electrode plates of different polarity.
- the electrode stack is characterized in that these two or more separator layers extend in regions over respectively adjacent electrode plates.
- these two or more separator layers extend circumferentially over respectively adjacent electrode plates. This serves in particular to extend the creepage distances and thus to reduce electrical currents between boundary edges of electrode plates of different polarity.
- the electrode stack is characterized in that these two or more separator layers are integrally formed. These two or more separator layers are connected by means of a deflection region. A deflection region extends essentially along the entire length of a boundary edge of the electrode plate encompassed by these separator layers. With this completely encompassed boundary edge no leakage currents can be exchanged.
- These two or more separator layers preferably extend in regions of 0.01 mm to 10 mm, preferably by 1 mm to 3 mm, at least over an adjacent electrode plate. Particularly preferably, these two or more separator layers extend circumferentially over the respectively adjacent electrode plates.
- a separator or one or more separator layers is preferably used which is not or only poorly electron-conducting, and which consists of an at least partially permeable carrier.
- the carrier is preferably coated on at least one side with an inorganic material see.
- an organic material is used, which is preferably designed as a non-woven fabric.
- the organic material which preferably comprises a polymer and particularly preferably a polyethylene terephthalate (PET), is coated with an inorganic, preferably ion-conducting material, which is more preferably ion-conducting in a temperature range from -40.degree. C. to 200.degree.
- the inorganic material preferably comprises at least one compound from the group of oxides, phosphates, sulfates, titanates, silicates, aluminosilicates with at least one of the elements Zr, Al, Li, particularly preferably zirconium oxide.
- the inorganic, ion-conducting material preferably has particles with a maximum diameter of less than 100 nm. Such a separator is marketed, for example, under the trade name "Separion" by Evonik AG in Germany.
- At least one electrode of the electrode stack comprises a compound having the formula LiMPO 4 , where M is at least one transition metal cation of the first row of the Periodic Table of the Elements.
- the transition metal cation is preferably selected from the group consisting of Mn, Fe, Ni and Ti or a combination of these elements.
- the compound preferably has an olivine structure, preferably parent olivine.
- an electrochemical energy storage device according to the invention has one or more electrode stacks, which are produced by methods according to the invention.
- an electrochemical energy storage device according to the invention has an enclosure. This is intended to surround this one or more electrode stacks.
- the envelope is provided to bias the layers of an electrode stack according to the invention against each other.
- the sheath preferably exerts a normal force on the surfaces of the various layers of an electrode stack according to the invention and forces these layers together.
- the envelope is formed as a composite film.
- a battery has two or more electrochemical energy storage devices with one or more electrode stacks, which are produced by a method according to the invention. Preferably, these several electrochemical energy storage devices are connected to one another by means of series connection and / or parallel connection.
- FIG. 1 shows schematically a method according to the invention for producing an electrode stack at a first time
- FIG. 2 shows schematically the state of the method of Figure 1 at a later date
- FIG. 3 shows schematically the preparation of an electrode stack according to another method of the invention.
- FIG. 1 shows schematically the production of an electrode stack according to a method according to the invention. The electrode stack and the other devices are shown neglecting actual dimensions and distances. Shown is the method at a first time.
- the electrode stack 1 Shown is an electrode stack 1, which is produced on a lifting table 23.
- the electrode stack 1 has a plurality of separator layers 2, 2a, a plurality of electrodes 3, 3a of the first polarity and a plurality of electrodes 4, 4a of the second polarity. Electrode plates 4, 4a of the second polarity are held ready for feeding on the bearing surface 21 and supplied to the electrode stack 1 by means of a feeding device, not shown. The provision of the electrode plates 3, 3a of the second polarity is not shown.
- the separator material 2b is unwound from the separator roller 8a and fed to the electrode stack 1 by guide means 5 with guide rollers.
- the last-supplied separator layer 2 is covered by an electrode plate 3 of the first polarity.
- the step of fixing a layer of the electrode stack 1, in particular the electrode plate 3 by means of a holding device 6 is performed.
- the guide device 5 has just started to arrange the separator layer 2 on the electrode plate 3. After the guide rollers of the guide means 5 are rolled as a predetermined path along the Separatormateri-, the rollers are blocked or their distance from each other is reduced. Subsequently, the guide device 5 deposits the next separator layer 2b. In this case, the guide device 5 exerts a tensile force on this next separator layer or the separator material 2b. By means of the hold-6 is prevented that this tensile force breaks the electrode stack 1. The unwinding of the future separator layer 2b from the separator roller 8a takes place in coordination with its movement with the movement of the guide rollers 5. Before reaching the guide device 5, the separator material 2b is sprayed with an electrolyte mist 7.
- FIG. 2 shows the method of FIG. 1 at a later time.
- the electrode plate 4a of the second polarity was placed on the electrode stack 1.
- a normal force is applied to the electrode plate 4 a by the second holding device 6 a.
- the guide device 5 will arrange the next separator layer 2b on the electrode stack.
- the separator layer 2b becomes the separator layer 2a diverted.
- the first holding device 6 is pulled out of the electrode stack.
- the lift table 23 had been lowered by a distance corresponding to substantially the summed wall thicknesses of the separator layer 2a and the electrode plate 4a.
- FIG. 3 shows schematically the arrangement of the electrode plates, here 3d in the electrode stack 1, which is stacked on the lifting table 23. Not shown are the supply of the electrode plates of the second polarity and the supply of the separator layers. It is expedient and inventive to provide the supply of the second polarity electrode plates from the other side of the electrode stack (see dashed electrode plate plus gripper).
- the plate material 3a is unwound from the electrode roller 8a.
- the gripper 22 performs an electrode plate 3c to the lifting table 23 and the electrode stack 1 to.
- the heights of the bearing surface 21 and the table 23 are advantageously chosen so that the path of the gripper 22 has no component in the main stacking direction of the electrode stack 1.
- the hold-down 6 currently exerts a force perpendicular to the surface of the electrode plate 3d in the direction of the surface of the lift table 23. After removal of the electrode plate 3b from the bearing surface 21, it is raised in accordance with the wall thickness of the electrode plate 3b. After depositing the electrode plate 3d, the lifting table 23 is lowered according to the wall thickness of the electrode plate 3d.
- the movements of the devices 8a, 9, 21, 22, 6 and 23 are controlled by a superordinate controller.
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- Inorganic Chemistry (AREA)
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Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112012003776A BR112012003776A2 (pt) | 2009-08-17 | 2010-07-29 | método para produzir uma pilha de eletrodos, pilha de eletrodo, aparato de armazenamento de energia eletroquímica, bateria |
EP10741916A EP2467893A1 (de) | 2009-08-17 | 2010-07-29 | Verfahren zum herstellen eines elektrodenstapels |
JP2012525059A JP2013502671A (ja) | 2009-08-17 | 2010-07-29 | 電極スタックを製造する方法 |
US13/390,548 US20120208066A1 (en) | 2009-08-17 | 2010-07-29 | Method for the production of an electrode stack |
CN2010800363221A CN102576896A (zh) | 2009-08-17 | 2010-07-29 | 制造电极堆栈的方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009037727A DE102009037727A1 (de) | 2009-08-17 | 2009-08-17 | Verfahren zum Herstellen eines Elektrodenstapels |
DE102009037727.1 | 2009-08-17 |
Publications (1)
Publication Number | Publication Date |
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WO2011020545A1 true WO2011020545A1 (de) | 2011-02-24 |
Family
ID=43058062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/004648 WO2011020545A1 (de) | 2009-08-17 | 2010-07-29 | Verfahren zum herstellen eines elektrodenstapels |
Country Status (8)
Country | Link |
---|---|
US (1) | US20120208066A1 (de) |
EP (1) | EP2467893A1 (de) |
JP (1) | JP2013502671A (de) |
KR (1) | KR20120055650A (de) |
CN (1) | CN102576896A (de) |
BR (1) | BR112012003776A2 (de) |
DE (1) | DE102009037727A1 (de) |
WO (1) | WO2011020545A1 (de) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012000872A1 (de) | 2012-01-18 | 2013-07-18 | Li-Tec Battery Gmbh | Elektrochemische Energiespeichereinrichtung, Batterie mit zumindest zwei dieser elektrochemischen Energiespeichereinrichtungen, sowie Verfahren zum Betrieb dieser elektrochemischen Energiespeichereinrichtung |
WO2013107614A1 (de) | 2012-01-18 | 2013-07-25 | Li-Tec Battery Gmbh | Batterie mit zumindest zwei elektrochemischen energiewandlern sowie verfahren zum betrieb dieser batterie |
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US11322804B2 (en) | 2018-12-27 | 2022-05-03 | Sion Power Corporation | Isolatable electrodes and associated articles and methods |
US11637353B2 (en) | 2018-12-27 | 2023-04-25 | Sion Power Corporation | Electrodes, heaters, sensors, and associated articles and methods |
KR102430866B1 (ko) * | 2019-01-17 | 2022-08-10 | 주식회사 엘지에너지솔루션 | 전극 조립체 제조장치와, 이를 통해 제조된 전극 조립체 및 이차전지 |
CN114551958B (zh) * | 2022-04-21 | 2022-07-01 | 国家电投集团氢能科技发展有限公司 | 电堆叠片堆叠压装系统 |
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Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102012000872A1 (de) | 2012-01-18 | 2013-07-18 | Li-Tec Battery Gmbh | Elektrochemische Energiespeichereinrichtung, Batterie mit zumindest zwei dieser elektrochemischen Energiespeichereinrichtungen, sowie Verfahren zum Betrieb dieser elektrochemischen Energiespeichereinrichtung |
WO2013107614A1 (de) | 2012-01-18 | 2013-07-25 | Li-Tec Battery Gmbh | Batterie mit zumindest zwei elektrochemischen energiewandlern sowie verfahren zum betrieb dieser batterie |
WO2013107612A1 (de) | 2012-01-18 | 2013-07-25 | Li-Tec Battery Gmbh | Elektrochemische energiespeichereinrichtung, batterie mit zumindest zwei dieser elektrochemischen energiespeichereinrichtungen, sowie verfahren zum betrieb dieser elektrochemischen energiespeichereinrichtung |
WO2013110461A2 (de) | 2012-01-26 | 2013-08-01 | Li-Tec Battery Gmbh | Elektrochemische energiewandlereinrichtung mit einem zellgehäuse, batterie mit zumindest zwei dieser elektrochemischen energiewandlereinrichtungen und verfahren zum herstellen einer elektrochemischen energiewandlereinrichtung |
DE102012001440A1 (de) | 2012-01-26 | 2013-08-01 | Li-Tec Battery Gmbh | Elektrochemische Energiewandlereinrichtung mit einem Zellgehäuse, Batterie mit zumindest zwei dieser elektrochemischen Energiewandlereinrichtungen und Verfahren zum Herstellen einer elektrochemischen Energiewandlereinrichtung. |
WO2013110468A2 (de) | 2012-01-26 | 2013-08-01 | Li-Tec Battery Gmbh | Elektrochemische energiewandlereinrichtung mit einem zellgehäuse, batterie mit zumindest zwei dieser elektrochemischen energiewandlereinrichtungen sowie verfahren zum herstellen einer elektrochemischen energiewandlereinrichtung |
DE102012002051A1 (de) | 2012-02-02 | 2013-08-08 | Li-Tec Battery Gmbh | Elektrochemische Energiewandlereinrichtung mit einem Zellgehäuse, Batterie mit zumindest zwei dieser elektrochemischen Energiewandlereinrichtungen sowie Verfahren zum Herstellen einer elektrochemischen Energiewandlereinrichtung |
WO2013139463A1 (de) | 2012-03-21 | 2013-09-26 | Li-Tec Battery Gmbh | Wandlerzelle mit einem zellgehäuse, batterie mit zumindest zwei dieser wandlerzellen und verfahren zum herstellen einer wandlerzelle |
DE102012005788A1 (de) | 2012-03-21 | 2013-09-26 | Li-Tec Battery Gmbh | Wandlerzelle mit einem Zellgehäuse, Batterie mit zumindest zwei dieser Wandlerzellen und Verfahren zum Herstellen einer Wandlerzelle |
DE102012006202A1 (de) | 2012-03-27 | 2013-10-02 | Li-Tec Battery Gmbh | Batterie mit zumindest zwei elektrochemischen Energiewandlern sowie Verfahren zum Betrieb dieser Batterie |
DE102012012065A1 (de) | 2012-06-15 | 2013-12-19 | Li-Tec Battery Gmbh | Elektrochemische Energiewandlereinrichtung mit einem Zellgehäuse, Batterie mit zumindest zwei dieser elektrochemischen Energiewandlereinrichtungen und Verfahren zum Herstellen einer elektrochemischen Energiewandlereinrichtung |
DE102012012790A1 (de) | 2012-06-20 | 2013-12-24 | Li-Tec Battery Gmbh | Wandlerzelle mit einem Zellgehäuse, Batterie mit zumindest zwei dieser Wandlerzellen und Verfahren zum Herstellen einer Wandlerzelle |
WO2013189593A1 (de) | 2012-06-20 | 2013-12-27 | Li-Tec Battery Gmbh | Wandlerzelle mit einem zellgehäuse, batterie mit zumindest zwei dieser wandlerzellen und verfahren zum herstellen einer wandlerzelle |
WO2014026730A2 (de) | 2012-08-13 | 2014-02-20 | Li-Tec Battery Gmbh | Wandlerzelle mit einem zellgehäuse, batterie mit wenigstens zwei dieser wandlerzellen und verfahren zum herstellen einer wandlerzelle |
DE102012016022A1 (de) | 2012-08-13 | 2014-03-13 | Li-Tec Battery Gmbh | Wandlerzelle mit einem Zellgehäuse, Batterie mit wenigstens zwei dieser Wandlerzellen und Verfahren zum Herstellen einer Wandlerzelle |
DE102012020791A1 (de) | 2012-10-23 | 2014-04-24 | Li-Tec Battery Gmbh | Rahmen für eine Energiespeichereinrichtung, Batteriezelle mit dem Rahmen und der Energiespeichereinrichtung, Batterie mit zwei dieser Batteriezellen sowie Verfahren zur Herstellung des Rahmens |
DE102012020799A1 (de) | 2012-10-23 | 2014-04-24 | Li-Tec Battery Gmbh | Energiespeichereinrichtung, Batterie mit zwei dieser Energiespeichereinrichtungen, sowie Verfahren zum Verschalten dieser Energiespeichereinrichtungen |
WO2014063793A1 (de) | 2012-10-23 | 2014-05-01 | Li-Tec Battery Gmbh | Rahmen für eine energiespeichereinrichtung, batteriezelle mit dem rahmen und der energiespeichereinrichtung, batterie mit zwei dieser batteriezellen sowie verfahren zur herstellung des rahmens |
WO2014063789A2 (de) | 2012-10-23 | 2014-05-01 | Li-Tec Battery Gmbh | Energiespeichereinrichtung, batterie mit zwei dieser energiespeichereinrichtungen, sowie verfahren zum verschalten dieser energiespeichereinrichtungen |
US9246185B2 (en) | 2013-03-14 | 2016-01-26 | Sion Power Corporation | Electrochemical cell having a folded electrode and separator, battery including the same, and method of forming same |
DE102013005840A1 (de) | 2013-04-04 | 2014-10-09 | Li-Tec Battery Gmbh | Elektrochemische Energiewandlereinrichtung mit einem Zellgehäuse, Batterie mit zumindest zwei dieser elektrochemischen Energiewandlereinrichtungen und Verfahren zum Herstellen einer elektrochemischen Energiewandlereinrichtung |
DE102013011685A1 (de) | 2013-07-12 | 2015-01-15 | Daimler Ag | Energiespeichereinrichtung mit zwei Stromableitern und Verfahren zum Herstellen der Energiespeichereinrichtung |
Also Published As
Publication number | Publication date |
---|---|
CN102576896A (zh) | 2012-07-11 |
BR112012003776A2 (pt) | 2016-04-12 |
DE102009037727A1 (de) | 2011-02-24 |
JP2013502671A (ja) | 2013-01-24 |
KR20120055650A (ko) | 2012-05-31 |
US20120208066A1 (en) | 2012-08-16 |
EP2467893A1 (de) | 2012-06-27 |
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