WO2015022226A1 - Fixation thermique d'accumulateurs thermiques électrochimiques empilés ou pliés - Google Patents

Fixation thermique d'accumulateurs thermiques électrochimiques empilés ou pliés Download PDF

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Publication number
WO2015022226A1
WO2015022226A1 PCT/EP2014/066762 EP2014066762W WO2015022226A1 WO 2015022226 A1 WO2015022226 A1 WO 2015022226A1 EP 2014066762 W EP2014066762 W EP 2014066762W WO 2015022226 A1 WO2015022226 A1 WO 2015022226A1
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WO
WIPO (PCT)
Prior art keywords
electrode
electrode layer
separator
stack
electrochemical energy
Prior art date
Application number
PCT/EP2014/066762
Other languages
German (de)
English (en)
Inventor
Stefan Pfeiffer
Thomas Kretschmar
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
Publication of WO2015022226A1 publication Critical patent/WO2015022226A1/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
    • H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like 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
    • B23K1/00—Soldering, e.g. brazing, or unsoldering
    • B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
    • B23K1/0016—Brazing of electronic components
    • 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
    • B23K1/00—Soldering, e.g. brazing, or unsoldering
    • B23K1/005—Soldering by means of radiant energy
    • B23K1/0056—Soldering by means of radiant energy soldering by means of beams, e.g. lasers, E.B.
    • 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
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B23K26/24—Seam welding
    • 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
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • 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
    • H01M10/045—Cells or batteries with folded plate-like electrodes
    • 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
    • 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
    • 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
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/36—Electric or electronic devices
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys
    • B23K2103/05—Stainless steel
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/08—Non-ferrous metals or alloys
    • B23K2103/10—Aluminium or alloys thereof
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/08—Non-ferrous metals or alloys
    • B23K2103/12—Copper or alloys thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0436—Small-sized flat cells or batteries for portable equipment
    • 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 present invention relates to a method for producing an electrode stack for an electrochemical energy store, to an energy store which uses an electrode stack produced by such a method, and to the use of the energy store in an electronic component.
  • Electrochemical energy stores for example lithium batteries
  • stratification for this type of batteries can only be made by stacking or folding. Both stacking and folding, after arranging a layer, such as electrode layer or separator, they must be mechanically fixed and held down to prevent slipping, falling apart or springing of the electrode stack. As a result, the cycle times for depositing a layer take well over 1 second during production.
  • the subject matter of the present invention is a method for producing an electrode stack for an electrochemical energy store.
  • the electrode stack comprises at least one separator and at least two electrode layers, the electrode layers each having a first polarity or a second polarity.
  • the term electrode stack here refers to a device which in particular serves to receive and deliver energy.
  • the electrode stack has at least three layers, including at least one first electrode layer of a first polarity, a second electrode layer of a second polarity, and a separator arranged between these electrode layers.
  • the layers of the electrode stack are formed thin-walled.
  • a layer of the electrode stack is preferably formed as an electrode layer or separator.
  • the electrode stack extends in a main stacking direction that is perpendicular to the surfaces of a layer that contact adjacent layers.
  • electrode layer here refers to a device which serves to deliver and / or absorb, in particular, electrical energy.
  • An electrode layer supplied electrical energy is first converted into chemical energy and stored as chemical energy.
  • an electrode layer is thin-walled.
  • the electrode layers may comprise a metal, for example from the group consisting of aluminum, copper, nickel, gold, stainless steel or a metal alloy of the aforementioned metals.
  • separator refers to a device which in particular two electrode layers spaced apart.
  • a separator separates two electrode layers of different polarity.
  • a separator temporarily receives an electrolyte. loading
  • a separator absorbs lithium ions at least temporarily.
  • a separator acts essentially as an insulator with respect to electrons.
  • a separator is thin-walled and plate-shaped.
  • the geometry of a separator preferably corresponds to the shape of an adjacent electrode layer.
  • the lengths of the boundary edges of a separator are longer than the corresponding, in particular parallel, boundary edges of adjacent electrode layers.
  • materials for the separator can mainly microporous plastics and nonwovens made of glass fiber or polyethylene or composite films such as polyethylene and
  • the term polarity of an electrode layer describes that this electrode layer 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 layer is connected either to the positive pole or the negative pole of the superordinate voltage source and has either a first or a second polarity.
  • An electrode layer of the first polarity is preferably formed as an anode, an electrode layer of the second polarity preferably as a cathode.
  • anode refers to the electrode layer which is negatively charged in the charged state.
  • arranging denotes a process in which a separator or an electrode layer is supplied to the higher-order electrode stack.
  • a separator or an electrode layer is supplied to the electrode stack so that the boundary edges of the individual layers are arranged substantially parallel to one another.
  • a separator or an electrode layer is supplied to the electrode stack in such a way that the supplied layer is the adjacent layer in the
  • the term fixing here means that the unintentional displacement of the electrode stack or one of its layers can take place only after overcoming a resistance.
  • the method for producing the electrode stack can be effected by means of stacking or folding.
  • the separator In the production by stacking individually cut electrode layers are stacked, while the separator can be unrolled continuously, the separator is disposed between the electrode layers and also covers the electrode layers.
  • the separator can be arranged as a winding on a Abrollisme. As soon as a first electrode layer and a second electrode layer have been stacked on top of one another, the two layers and the separator are fixed by way of thermal heating in such a way that the layers are connected to one another.
  • the top layer unwinding unit may hold down the other layers in which the unwinding unit is at a lower level than the electrode stack. This can be achieved in that the unwinding point of the winding of the unwinding unit is lower than the electrode stack. As a result, it is also possible to ensure contact of the layers with one another. Thus, a fixation of the individual layers before the thermal heating can be made possible in a simple manner without requiring expensive mechanical auxiliary clamping devices. As a result, the method can accelerate the production of electrode stacks, since it is no longer necessary to wait for the mechanical fixation to be pivoted in and out.
  • an electrode layer with separator is produced on a belt.
  • the electrode layer may consist of a plurality of cut electrode layers, which are spaced from each other on the separator. It is also possible that the electrode layers and the separator are continuously unrolled.
  • the electrode layers and the separator are each arranged as a winding on a Abrollisme.
  • folding a certain length of a coil of a first electrode layer is unrolled and provided, on the first electrode layer, the separator and the second electrode layer are arranged. After thermal heating for fixing the layers, the first electrode layer is folded over the manufactured electrode stack, and the separator and the second electrode are applied to the first electrode layer Folded electrode layer, then the uppermost layer consisting of the uppermost first and second electrode layer and the separator is heated thermally.
  • first and second electrode layers and separator are again folded over and thermally fixed. This folding process is repeated until an electrode stack with the desired number of electrode layers is formed.
  • the folding is realized in such a way that the unwinding unit is rolled with the reel with the respective electrode layer or the separator to another position, so that the respective layer correspondingly covers the other layers. Further, it may be possible that only the separator is folded at the fold edges, when the band consists of a plurality of cut electrode layers, which are spaced from each other on the separator. Furthermore, it is possible that the first and / or the second electrode stack can either be unrolled continuously or can consist of a plurality of electrode layers which are arranged at a distance from one another on a separator.
  • the top layer unwinding unit may hold down the other layers in which the unwinding unit is at a lower level than the electrode stack. This can be realized in such a way that the rolling point of the winding with the respective layer is lower than the electrode stack, whereby a contact of the layers with one another can be ensured.
  • a fixation of the individual layers before the thermal heating can be made possible in a simple manner without requiring expensive mechanical auxiliary clamping devices.
  • the method can accelerate the production of electrode stacks, since it is no longer necessary to wait for the mechanical fixation to be pivoted in and out.
  • the electrode layers are bonded together by the method by the thermal heating, soldered, fused or welded. In this way can be dispensed with additional adhesive, such as adhesive.
  • the thermal heating takes place selectively by means of a focused laser beam.
  • the electrode layers are simultaneously contacted electrically by the thermal heating. This can be dispensed with a further step. Furthermore, material for contacting the electrode layers can be saved with each other.
  • the two electrode layers clearly fixed to each other, the total number of punctiform heating define a folding edge, and the first electrode layer or the second electrode layer on the thermal Connection points can be folded back. In this way can be formed on a simple folding edge, whereby a folding of the electrode layers is facilitated. As a result, the production of the electrode stack can be accelerated by folding.
  • the invention furthermore relates to an electrochemical energy storage device, in particular a lithium battery, having at least one electrode stack produced by the previously described method.
  • an electrochemical energy storage device in particular a lithium battery, having at least one electrode stack produced by the previously described method.
  • the production time of the energy storage can be reduced.
  • the total weight of the energy storage can be reduced, whereby costs can be saved during transport of the energy storage.
  • the energy store is designed as a stacked cell, in particular as a coffee-bag cell or pouch cell, prismatic cell, or as a cylindrical cell, in particular a flat-wound cell.
  • stack cell may in this case describe an energy store in which the energy cells can be stacked on top of each other and are also called cofeece bag cells or pouch cells form.
  • the stacked cells may have a rectangular or trapezoidal shape.
  • prismatic cell may in this case describe an energy cell with polygonal cells, wherein the electrode layers may have a flat-wound anode-separator-cathode arrangement.
  • cylindrical see cell can describe an energy storage with band-shaped electrode layers.
  • the electrode layers may have the shape of a flat band due to their flat embodiment and due to their film-like design.
  • the electrode layers can be wound into a winding, wherein at least one separator can be arranged in the energy store during winding.
  • the winding in the cylindrical cell is wound cylindrical and not as flat as in a flat winding cell. Furthermore, it is possible that the energy store can be produced by a Z-folding method. In the Z-folding method, the electrode layers are folded in contrast to a prismatic cell. As a result, the energy store can be produced in manifold ways, whereby an energy store according to the invention can be used in various areas. Furthermore, the energy n
  • the invention further provides for the use of the electrochemical energy store with at least one electrode stack produced in the previously described method in motor vehicle applications, other electromobility, in particular in ships, two-wheeled vehicles, aircraft, stationary energy storage devices, power tools, entertainment electronics and / or household electronic electronics.
  • the term other electric mobility here describes any type of vehicles and means of locomotion, which can use the chemically generated electrical energy of the energy storage.
  • the motor vehicle applications, other electromobility, in particular ships, two-wheelers, aircraft, stationary energy storage devices, power tools, entertainment electronics and / or household electronic electronics may represent electronic components that can use the chemically generated electrical energy of the energy storage.
  • FIG. 1 shows an isometric view of an arrangement for a method for producing a folded electrode stack
  • FIG. 2 is an isometric view of the arrangement of FIG. 1 during insertion of a first thermal connection point
  • FIG. 3 shows an isometric view of the arrangement from FIG. 1 during the introduction of a second thermal connection point
  • FIG. 4 shows an isometric view of the arrangement from FIG. 1 in which an electrode layer has been folded back over the two thermally introduced connection points.
  • Fig. 1 shows an arrangement for a method for producing an electric denstapels 10 for an electrochemical energy storage, such as a lithium battery.
  • the electrode stack 10 comprises at least one separator 12 and at least two electrode layers 14, 16.
  • the electrode layer 14 of first polarity is arranged together with a separator 12 as a winding on a first unwinding unit 18.
  • the electrode layer 14 is arranged on the separator 12, wherein the separator 12 comprises a multiplicity of electrode layers 14, which are cut to size and are arranged at a distance from one another on the separator.
  • the electrode layer 16 is folded over the separator 12 in order to produce an electrode stack 10.
  • the electrode layer 16 is located as a winding on the unwinding unit 20.
  • the unwinding unit 20 is located in FIG. 1 at a lower level than the electrode stack 10 in order to fix the separator 12 and the electrode layers 14, 16. This is realized in that the unwinding point of the unwinding unit 20 is lower than the electrode stack 10.
  • the electrode layers 14 and 16 have different polarities. Furthermore, it can be seen that the unwinding unit 20 has a 4 o'clock position and that the unwinding unit 18 has a 7 o'clock position.
  • FIG. 2 shows how the two electrode layers 14, 16 of the electrode stack 10 are fixed by means of a focused laser beam from a laser 22 by thermal heating.
  • the thermal Heating takes place selectively by means of a focused laser beam from the laser 22.
  • the thermal heating causes the electrode layers 14, 16 to be contacted with one another electrically at the same time.
  • Fig. 3 it can be seen that in the electrode stack 10 by means of a further selective thermal heating by the laser 22, the two electrode layers 14, 16 are fixed to each other clearly. Furthermore, a fold is defined by the further selective heating.
  • the electrode layer 16 is folded back over the two thermal connection points via the defined folding edge. This can be seen in Fig. 4 that the Abrollmaschine 20 has been moved from the 4 o'clock position to the 11 o'clock position. As a result, the electrode layer 12 is the uppermost layer of the electrode stack 10.
  • An electrochemical energy store can use electrode stacks that are designed as prismatic cells or as a flat winding cell, wherein the electrode layers and the at least one separator are welded together by thermal heating. This is not shown.
  • energy storage can be used in motor vehicle applications, other electromobility, in particular in ships, two-wheelers, aircraft and the like, stationary energy storage devices, electric tools, entertainment electronics and / or household electronic electronics.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Secondary Cells (AREA)
  • Plasma & Fusion (AREA)

Abstract

L'invention concerne un procédé permettant de produire une pile d'électrodes (10) pour un accumulateur d'énergie électrochimique. La pile d'électrodes (10) comprend au moins un séparateur (12) et au moins deux couches d'électrodes (14, 6), les couches d'électrodes (14, 16) présentant respectivement une première polarité ou une seconde polarité. Selon le procédé, une première couche d'électrodes (14), la couche d'électrodes (14) présentant une première polarité, un séparateur (12) sur la première couche d'électrodes (14), et une deuxième couche d'électrodes (16) sur le séparateur (12), la couche d'électrodes (16) présentant une seconde polarité, étant superposés. La couche d'électrodes (14) est fixée à la couche d'électrodes (16) à l'aide d'un chauffage thermique. De cette manière, le procédé de production d'une pile d'électrodes (10) peut être accéléré.
PCT/EP2014/066762 2013-08-15 2014-08-05 Fixation thermique d'accumulateurs thermiques électrochimiques empilés ou pliés WO2015022226A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013216238.3 2013-08-15
DE102013216238.3A DE102013216238A1 (de) 2013-08-15 2013-08-15 Thermisches Fixieren von gestapelten oder gefalteten elektrochemischen Energiespeichern

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Publication Number Publication Date
WO2015022226A1 true WO2015022226A1 (fr) 2015-02-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3401978A1 (fr) * 2017-05-09 2018-11-14 Lithium Energy and Power GmbH & Co. KG Procédé de fabrication d'un ensemble d'électrode pour un élément de batterie et élément de batterie

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10944096B2 (en) 2018-04-10 2021-03-09 GM Global Technology Operations LLC Method of manufacturing a lithium metal negative electrode

Citations (3)

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Publication number Priority date Publication date Assignee Title
JP2002343342A (ja) * 2001-05-22 2002-11-29 Matsushita Electric Ind Co Ltd 二次電池電極とその製造方法
WO2012020480A1 (fr) * 2010-08-11 2012-02-16 日本自働精機株式会社 Dispositif et procédé d'empilement de plaques d'électrodes positives et négatives
EP2518812A2 (fr) * 2011-04-26 2012-10-31 EaglePicher Technologies, LLC Procédé de formation de composant électrochimique solide encapsulé

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002343342A (ja) * 2001-05-22 2002-11-29 Matsushita Electric Ind Co Ltd 二次電池電極とその製造方法
WO2012020480A1 (fr) * 2010-08-11 2012-02-16 日本自働精機株式会社 Dispositif et procédé d'empilement de plaques d'électrodes positives et négatives
EP2518812A2 (fr) * 2011-04-26 2012-10-31 EaglePicher Technologies, LLC Procédé de formation de composant électrochimique solide encapsulé

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3401978A1 (fr) * 2017-05-09 2018-11-14 Lithium Energy and Power GmbH & Co. KG Procédé de fabrication d'un ensemble d'électrode pour un élément de batterie et élément de batterie
WO2018206186A1 (fr) * 2017-05-09 2018-11-15 Robert Bosch Gmbh Procédé de production d'un ensemble d'électrodes pour un élément de batterie et élément de batterie
CN110679006A (zh) * 2017-05-09 2020-01-10 罗伯特·博世有限公司 用于制造电池单元用电极组件的方法和电池单元
CN110679006B (zh) * 2017-05-09 2022-08-12 罗伯特·博世有限公司 用于制造电池单元用电极组件的方法和电池单元

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