WO2018110001A1 - Procédé de production de corps d'électrode - Google Patents

Procédé de production de corps d'électrode Download PDF

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Publication number
WO2018110001A1
WO2018110001A1 PCT/JP2017/032345 JP2017032345W WO2018110001A1 WO 2018110001 A1 WO2018110001 A1 WO 2018110001A1 JP 2017032345 W JP2017032345 W JP 2017032345W WO 2018110001 A1 WO2018110001 A1 WO 2018110001A1
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WO
WIPO (PCT)
Prior art keywords
separator
positive electrode
bonded
negative electrode
electrode
Prior art date
Application number
PCT/JP2017/032345
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English (en)
Japanese (ja)
Inventor
上川英康
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株式会社村田製作所
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Filing date
Publication date
Application filed by 株式会社村田製作所 filed Critical 株式会社村田製作所
Publication of WO2018110001A1 publication Critical patent/WO2018110001A1/fr

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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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to a method for manufacturing an electrode body of a battery.
  • an electrode body of a battery an electrode body having a structure in which a plurality of positive electrodes and negative electrodes are alternately stacked with a separator interposed therebetween is known.
  • Patent Document 1 discloses a method in which a long separator material, a long positive electrode material, a long separator material, and a long negative electrode material are laminated in this order, and then predetermined.
  • the method of manufacturing an electrode body is described by cut
  • the present invention solves the above-described problem, and is an electrode body that can suppress the occurrence of positional deviation between the time when the separator material on which the electrode is placed is cut and before the separator material is conveyed to the pickup position.
  • An object is to provide a manufacturing method.
  • the method for producing the electrode body of the present invention comprises: A method for producing an electrode body comprising a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode, Adhering the positive electrode to the long first separator material; In the first working position, in a form surrounding the region to be a first separator for one element to which the positive electrode is bonded, while leaving an uncut portion in part based on the position of the positive electrode, Cutting the separator material, and The first separator material into which the first separator material is cut so that the region serving as the first separator for one element to which the positive electrode is bonded is located at a second work position different from the first work position.
  • a conveying step In the second working position, the region to be the first separator for one element to which the positive electrode is bonded is picked up, the uncut portion is cut, and the positive electrode is bonded from the first separator material. Separating the first separator for one element; A step of transporting the separated first separator for one element to which the positive electrode is bonded to a lamination stage; Adhering the negative electrode to the long second separator material; In a third working position, in a mode of surrounding the region serving as a second separator for one element to which the negative electrode is adhered, leaving an uncut portion in part based on the position of the negative electrode, Cutting the separator material, and The second separator material into which the second separator material is cut so that the region serving as the second separator for one element to which the negative electrode is bonded is located at a fourth work position different from the third work position.
  • a conveying step In the fourth work position, the region to be the second separator for one element to which the negative electrode is bonded is picked up, the uncut portion is cut, and the negative electrode is bonded from the second separator material. Separating the second separator for one element; Transporting the separated second separator for one element to which the negative electrode is bonded to the stacking stage; Laminating the first separator for one element to which the positive electrode is bonded and the second separator for one element to which the negative electrode is bonded in the stacking stage; It is characterized by having.
  • the notch of the first separator material does not cause a position shift of the region serving as the first separator for one element to which the positive electrode is bonded when the first separator material having the notch is conveyed, And when the area to be the first separator for one element to which the positive electrode is bonded is picked up, the uncut portion is cut in a mode,
  • the notch of the second separator material does not cause a positional shift of the region serving as the second separator for one element to which the negative electrode is bonded when the second separator material with the notch is conveyed. And when the area
  • the shape of the positive electrode and the shape of the negative electrode may be non-rectangular shapes.
  • the first separator material in the first working position, the first separator material is cut and conveyed to the second working position while leaving an uncut portion in part, and in the second working position, the positive electrode is Since the region that becomes the first separator for one element that has been bonded is picked up and the uncut portion is cut, the occurrence of misalignment when the region that becomes the first separator for one element to which the positive electrode is bonded is conveyed Can be suppressed.
  • the second separator material is cut while leaving an uncut portion in part, and conveyed to the fourth work position, and the negative electrode is adhered to the fourth work position.
  • the region to be the second separator for the element Since the region to be the second separator for the element is picked up and the uncut portion is cut, the occurrence of misalignment when the region to be the second separator for one element to which the negative electrode is bonded is conveyed is suppressed. be able to. Thereby, the electrode body which suppressed the position shift between a positive electrode and a negative electrode can be manufactured.
  • FIG. 1 It is sectional drawing which shows the structure of an electrode body. It is a side view for demonstrating each process in the manufacturing method of the electrode body in 1st Embodiment. It is a top view for demonstrating the method of making a notch in a 1st separator material. It is a figure for demonstrating the method to adhere
  • the structure of the electrode body will be briefly described, and then the method for manufacturing the electrode body will be described.
  • the electrode body 10 has a structure in which a plurality of first separators 11, positive electrodes 12, second separators 13, and negative electrodes 14 are sequentially laminated, and is used for a battery such as a lithium ion battery. .
  • the positive electrode 12 includes a positive electrode current collector made of a metal foil such as aluminum, and a positive electrode active material formed on both surfaces of the positive electrode current collector.
  • the positive electrode located on the outermost side may be configured such that the positive electrode active material is formed only on one surface of the positive electrode current collector.
  • the negative electrode 14 includes a negative electrode current collector made of a metal foil such as copper, and a negative electrode active material formed on both surfaces of the negative electrode current collector.
  • the negative electrode located on the outermost side may be configured such that the negative electrode active material is formed only on one surface of the negative electrode current collector.
  • first separator 11 and the second separator 13 those made of the same material can be used, and for example, the first separator 11 and the second separator 13 can be constituted by a microporous thin film made of polypropylene having excellent insulating properties.
  • FIG. 2 is a side view for explaining each step in the method of manufacturing the electrode body 10 in the first embodiment.
  • symbol of 11A is attached
  • symbol 11 is attached
  • the long first separator material 11 ⁇ / b> A is wound in a roll shape at the separator unwinding portion 21, unwound from the separator unwinding portion 21, and sent out in one direction.
  • the first separator material 11A is transported in one direction by stacking the long first separator material 11A on the long PET film and transporting the long PET film in one direction. To do.
  • the positive electrode 12 is placed on the long first separator material 11A, and the positive electrode 12 is bonded to the first separator material 11A.
  • the positive electrode 12 prepared in advance is placed at a predetermined distance H from one end S in the width direction of the long first separator material 11A.
  • one end S in the width direction of the first separator material 11A is the end on the side from which the positive electrode tab 12A protrudes when the positive electrode 12 is bonded, as shown in FIG.
  • the positive electrode 12 is attached to the first positive electrode 12 by the thermocompression bonding method in which the heater 12 is sandwiched between the upper part and the lower part of the positive electrode 12 placed on the first separator material 11A and heated and pressurized. Adhere to the separator material 11A.
  • the positive electrode tab 12A protrudes outside the one end S of the first separator material 11A.
  • the method of adhering the positive electrode 12 to the first separator material 11A is not limited to thermocompression bonding, and may be adhered by a method other than thermocompression bonding.
  • the cutting mechanism unit 23 cuts the first separator material 11A while leaving an uncut portion in part based on the position of the positive electrode 12.
  • the cutting mechanism unit 23 includes a camera (not shown), images the first separator material 11A including the positive electrode 12 by the camera, and based on the captured image, according to the position of the positive electrode 12, A cut 31 is made in the first separator material 11A by the cutting blade 23a.
  • a cut 31 is made in the first separator material 11A at positions along the outer periphery of the positive electrode 12 other than the side where the positive electrode tab 12A is provided. .
  • the cuts 31 are made so that the uncut portion 35 that is not cut is left so that the entire periphery of the positive electrode 12 is not cut off. That is, the cut 31 is a cut portion with respect to the uncut portion 35 described above.
  • FIG. 3 shows an example in which three uncut portions 35 are formed.
  • the notch 31 does not cause a positional shift between the region surrounded by the notch 31 and the other region when the first separator material 11A into which the notch 31 is put is conveyed in a later step. And when picking up the area
  • the cutting blade 23a with which the cutting mechanism part 23 is provided has a shape corresponding to the cut 31 which is a cutting part of FIG.
  • the uncut part 35 may be less than three places, and may be four or more places. It is preferable that the number of uncut portions 35 is small so that the uncut portion 35 can be easily cut when the uncut portion 35 is separated or separated in a later step, and the uncut portion along the length direction of the notch 31 is preferable.
  • the length of 35 is preferably shorter. However, when the number of uncut portions 35 is reduced and when the length of the uncut portions 35 is shortened, the first separator 11 is later transferred during the transport of the first separator material 11A into which the cuts 31 are made. There is a possibility that a position shift occurs in the region. For this reason, the number and length of the uncut portions 35 are appropriately set in consideration of easiness of cutting and prevention of misalignment when the first separator material 11A including the cuts 31 is conveyed. There is a need.
  • the shape of the positive electrode 12 is not limited to the shape shown in FIG.
  • the shape of the positive electrode 12 may be a non-rectangular shape or a rectangular shape.
  • the first separator material 11A is conveyed in the direction of arrow Y1 in FIG. That is, the portion of the first separator material 11A where the notch 31 is made at the first work position T1, that is, the region that becomes the first separator 11 for one element to which the positive electrode 12 is bonded is the first work. It is transported to a second work position T2 different from the position T1.
  • the positive electrode transport head 24 picks up an area to be the first separator 11 for one element to which the positive electrode 12 is adhered, and cuts the uncut portion 35. That is, the positive electrode transport head 24 adsorbs a region to be the first separator 11 for one element to which the positive electrode 12 is adhered, and the positive electrode transport head 24 is lifted to cut the uncut portion 35. Then, the first separator 11 for one element to which the positive electrode 12 is bonded is separated from the first separator material 11A. Thereby, the 1st separator 11 which the positive electrode 12 adhere
  • the first separator 11 picked up by the positive electrode conveying head 24 is conveyed to the lamination stage 25, the positive electrode 12 is recognized by a camera (not shown), the position and orientation are corrected, and the lamination is performed. Place on stage 25.
  • the first separator 11 and the positive electrode 12 placed on the stacking stage 25 are necessary until the second separator 13 for one element, to which the negative electrode 14 is bonded, is stacked on the first separator 11 and the positive electrode 12 in the next step. Accordingly, the laminated claw 27 is pressed from above.
  • the first separator material 11A in a state where the first separator 11 for one element to which the positive electrode 12 is bonded is picked up and separated by the positive electrode transport head 24 at the second work position T2. Show.
  • the first separator material 11A is cut while leaving the uncut portion 35 in a part based on the position of the positive electrode 12 at the first work position T1.
  • 31 is inserted, and the first separator material 11A into which the cut 31 has been made is conveyed from the first work position T1 to the second work position T2.
  • a region to be the first separator 11 for one element to which the positive electrode 12 is bonded is picked up, and the uncut portion 35 is cut by raising the positive electrode transport head 24,
  • the first separator 11 for one element is separated from the first separator material 11A. Thereafter, the separated first separator 11 for one element is conveyed to the stacking stage 25.
  • warping may occur.
  • the positive electrode in which the warp has occurred is suppressed in the state of being bonded to the first separator material 11A, but when the first separator material 11A is cut, the positive electrode 12 does not leave an uncut portion.
  • the warpage that has been suppressed is returned, and a positional shift is likely to occur when transporting from the first work position T1 to the second work position T2.
  • the uncut portion 35 is left so that the region that becomes the first separator 11 after cutting is not yet formed. Since it is connected to the first separator material 11 ⁇ / b> A via the cut portion 35, it is possible to suppress the occurrence of misalignment.
  • the notch 31 of the first separator material 11 ⁇ / b> A has a positional deviation of the region that becomes the first separator 11 for one element to which the positive electrode 12 is bonded when the first separator material 11 ⁇ / b> A with the notch is conveyed. This is performed in such a manner that the uncut portion 35 is cut when picking up the region that does not occur and becomes the first separator 11 for one element to which the positive electrode 12 is bonded. It is possible to effectively suppress the occurrence of positional deviation in the region that becomes the separator 11.
  • the shape of the positive electrode 12 in the present embodiment is a non-rectangular shape, but even in this case, the occurrence of misalignment of the region that becomes the first separator 11 after cutting is suppressed. Can do.
  • a step of making a cut 31 in the first separator material 11A, and a step of picking up a region to be the first separator 11 for one element to which the positive electrode 12 is bonded and separating it from the first separator material 11A Since it is performed at a different position, the efficiency of the manufacturing process can be improved.
  • the step of making the cut 31 in the first separator material 11A and the step of picking up the first separator 11 for one element to which the positive electrode 12 is bonded and separating it from the first separator material 11A are performed at the same position.
  • the cutting mechanism unit 23 and the positive electrode transport head 24 work at the same position, and work efficiency is reduced.
  • the cutting mechanism unit 23 performs the cutting operation at the first work position T1, and the positive electrode transport head 24 cuts the uncut portion 35 at the second work position T2. Since the pickup work of the first separator 11 for one element is performed, the work efficiency can be improved.
  • the first separator 11 to which the positive electrode 12 is bonded is picked up by the positive electrode transport head 24, the first separator material 11A is collected.
  • the negative electrode 14 is placed on a long second separator material (not shown), and the negative electrode 14 is bonded to the second separator material.
  • the negative electrode 14 is bonded to a position on the second separator material at a predetermined distance from one end in the width direction.
  • the one end in the width direction of the second separator material is the end on the side from which the negative electrode tab protrudes when the negative electrode 14 is bonded.
  • the second separator material is cut based on the position of the negative electrode 14 while leaving an uncut portion in part.
  • the method of cutting the second separator material is the same as the method of cutting the first separator material.
  • the second separator material is also conveyed in one direction.
  • the portion of the second separator material that is cut at the third work position, that is, the region that becomes the second separator 13 for one element to which the negative electrode 14 is bonded is different from the third work position. It is conveyed to the work position.
  • the negative electrode transport head 26 picks up an area to be the second separator 13 for one element to which the negative electrode 14 is bonded, and cuts the uncut portion. That is, the negative electrode transport head 26 adsorbs a region to be the second separator 13 for one element to which the negative electrode 14 is adhered, and lifts the negative electrode transport head 26 to cut an uncut portion.
  • the second separator 13 for one element to which the negative electrode 14 is bonded is separated from the second separator material. Thereby, the 2nd separator 13 which the negative electrode 14 adhere
  • the second separator 13 picked up by the negative electrode transport head 26 is transported to the stacking stage 25, and the second separator 13 is aligned with the position between the positive electrode 12 and the negative electrode 14. Is laminated on the first separator 11, more specifically, on the positive electrode 12 adhered on the first separator 11.
  • the alignment between the positive electrode 12 and the negative electrode 14 is performed, for example, by detecting the position of the positive electrode 12 on the stacking stage 25 and aligning the detected position of the positive electrode 12 with the position of the negative electrode 14 after stacking.
  • the laminated second separator 13 and negative electrode 14 are pressed from above by the laminating claws 27 as needed until the first separator 11 to which the positive electrode 12 is bonded is laminated on the next step.
  • the second separator material is cut based on the position of the negative electrode 14, the cut is made while leaving the uncut portion, so that the second separator material with the cut is used as the third separator material.
  • the cut is made while leaving the uncut portion, so that the second separator material with the cut is used as the third separator material.
  • the notch of the second separator material does not cause a position shift of the region to be the second separator 13 for one element to which the negative electrode 14 is adhered when the second separator material with the notch is conveyed.
  • the uncut portion is cut when picking up the region to be the second separator 13 for one element to which the negative electrode 14 is bonded, the second separator 13 for one element after cutting It is possible to effectively suppress the occurrence of positional deviation in the region.
  • the step of cutting the second separator material and the step of picking up the region to be the second separator 13 for one element to which the negative electrode 14 is bonded and separating it from the second separator material are performed at different positions. Therefore, the efficiency of the manufacturing process can be improved.
  • the first separator material 11A with the cuts is cut when transported from the first work position T1 to the second work position T2.
  • the occurrence of displacement of the first separator 11 for one element to which the positive electrode 12 is bonded can be suppressed.
  • the second separator material into which the cut has been made is transported from the third work position to the fourth work position, the second separator 13 corresponding to one element to which the negative electrode 14 is bonded is obtained by cutting. The occurrence of misalignment can be suppressed.
  • the alignment between the positive electrode 12 and the negative electrode 14 is performed. Since it performs, the position shift between the positive electrode 12 and the negative electrode 14 of the electrode body 10 manufactured can be suppressed more effectively.
  • the first separator 11 to which the positive electrode 12 is bonded is transferred to the stacking stage 25 by the positive electrode transfer head 24, and the first separator 11 is aligned while the position between the positive electrode 12 and the negative electrode 14 is adjusted.
  • the separator 11 is laminated on the second separator 13, more specifically, on the negative electrode 14 bonded on the second separator 13.
  • the laminated first separator 11 and the positive electrode 12 are pressed from above by the laminating claws 27 until the second separator 13 to which the negative electrode 14 is bonded is laminated on the first separator 11 and the positive electrode 12 as necessary.
  • the stacking of the second separator 13 to which the negative electrode 14 is bonded and the first separator 11 to which the positive electrode 12 is bonded is repeatedly performed until the number of stacked layers of the positive electrode 12 and the negative electrode 14 reaches a predetermined number.
  • first separator 11, the positive electrode 12, the second separator 13, and the negative electrode 14 that are stacked in plurality are bonded together.
  • first separator 11, the positive electrode 12, the second separator 13, and the negative electrode 14 are bonded together.
  • thermocompression bonding head 40 containing a heater from above the laminated body in which the first separator 11, the positive electrode 12, the second separator 13, and the negative electrode 14 are laminated.
  • the entire first separator 11, positive electrode 12, second separator 13 and negative electrode 14 are thermocompression bonded.
  • the heater may be incorporated not only in the thermocompression bonding head 40 but also in the lamination stage 25, or may be incorporated only in the lamination stage 25 without being incorporated in the thermocompression bonding head 40.
  • the electrode body 10 is manufactured by the above process.
  • the first separator 11, the positive electrode 12, the second separator 13, and the negative electrode 14 constituting the electrode body 10 are all laminated and then bonded together.
  • the laminated first separator 11, positive electrode 12, second separator 13, and negative electrode 14 may be bonded together.
  • thermocompression bonding head 40 can be omitted.
  • the manufactured electrode body 10 may have any structure as long as it includes a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode.
  • all the positive electrodes stacked may not have the same shape, and all the negative electrodes stacked may not have the same shape.
  • the positive electrode and the negative electrode positioned in the lower layer in the stacking direction may be smaller in size than the positive electrode and the negative electrode positioned in the upper layer and may have a step in the stacking direction.

Abstract

L'invention concerne la suppression de l'apparition d'un décalage de position jusqu'à ce qu'un matériau de séparateur portant une électrode, après avoir été coupé, ait été transporté vers une position de collecte. Ce procédé de production de corps d'électrode comprend : une étape consistant à mettre à adhérer une électrode positive (12) sur un premier long matériau de séparateur (11A) ; une étape consistant à réaliser des incisions dans un premier matériau de séparateur, tout en laissant une section non découpée, qui entourent une région sur laquelle a été mise à adhérer l'électrode positive (12) qui est destinée à être le premier séparateur (11) pour un élément ; une étape consistant à transporter le premier matériau de séparateur (11A) de manière à positionner, en une seconde position de travail (T2), la région destinée à être le premier séparateur (11) sur laquelle a été mise à adhérer l'électrode positive (12) ; une étape consistant à collecter, au niveau de la seconde position de travail (T2), la région qui est destinée à être le premier séparateur (11), à découper la section non découpée, et à séparer le premier séparateur (11) sur lequel a été mise à adhérer l'électrode positive (12) ; et une étape consistant à transporter vers un étage de stratification (25) le premier séparateur (11) sur lequel a été mise à adhérer l'électrode positive (12). Ces étapes sont également réalisées sur un second matériau de séparateur et une électrode négative (14).
PCT/JP2017/032345 2016-12-15 2017-09-07 Procédé de production de corps d'électrode WO2018110001A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-243342 2016-12-15
JP2016243342A JP2020047359A (ja) 2016-12-15 2016-12-15 電極体の製造方法

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WO2018110001A1 true WO2018110001A1 (fr) 2018-06-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020161287A (ja) * 2019-03-26 2020-10-01 株式会社豊田自動織機 セパレータ付き電極製造装置、及びセパレータ付き電極製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012192981A (ja) * 2012-05-02 2012-10-11 Nippon Film Co Ltd 自治体指定ゴミ袋用ロール状袋体の包装構造
JP2014118193A (ja) * 2012-12-18 2014-06-30 Sekisui Giken:Kk 容器連接体
JP2015191870A (ja) * 2014-03-28 2015-11-02 日本電気株式会社 蓄電デバイスの製造方法および前記蓄電デバイス用の電極要素製造装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012192981A (ja) * 2012-05-02 2012-10-11 Nippon Film Co Ltd 自治体指定ゴミ袋用ロール状袋体の包装構造
JP2014118193A (ja) * 2012-12-18 2014-06-30 Sekisui Giken:Kk 容器連接体
JP2015191870A (ja) * 2014-03-28 2015-11-02 日本電気株式会社 蓄電デバイスの製造方法および前記蓄電デバイス用の電極要素製造装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020161287A (ja) * 2019-03-26 2020-10-01 株式会社豊田自動織機 セパレータ付き電極製造装置、及びセパレータ付き電極製造方法
JP7103291B2 (ja) 2019-03-26 2022-07-20 株式会社豊田自動織機 セパレータ付き電極製造装置、及びセパレータ付き電極製造方法

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