WO2024057631A1 - 電池 - Google Patents

電池 Download PDF

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Publication number
WO2024057631A1
WO2024057631A1 PCT/JP2023/020513 JP2023020513W WO2024057631A1 WO 2024057631 A1 WO2024057631 A1 WO 2024057631A1 JP 2023020513 W JP2023020513 W JP 2023020513W WO 2024057631 A1 WO2024057631 A1 WO 2024057631A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
electrode
terminal
current collector
sealing plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2023/020513
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
賢治 水野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Energy Co Ltd
Original Assignee
Panasonic Energy Co Ltd
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 Panasonic Energy Co Ltd filed Critical Panasonic Energy Co Ltd
Priority to EP23864995.8A priority Critical patent/EP4589759A4/en
Priority to JP2024546707A priority patent/JPWO2024057631A1/ja
Priority to CN202380065551.3A priority patent/CN119856335A/zh
Publication of WO2024057631A1 publication Critical patent/WO2024057631A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/147—Lids or covers
    • H01M50/148—Lids or covers characterised by their shape
    • H01M50/152—Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/147—Lids or covers
    • H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
    • H01M50/167—Lids or covers characterised by the methods of assembling casings with lids by crimping
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/172—Arrangements of electric connectors penetrating the casing
    • H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
    • H01M50/179—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for cells having curved cross-section, e.g. round or elliptic
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/183—Sealing members
    • H01M50/184—Sealing members characterised by their shape or structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/183—Sealing members
    • H01M50/186—Sealing members characterised by the disposition of the sealing members
    • 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
    • H01M50/30—Arrangements for facilitating escape of gases
    • H01M50/342—Non-re-sealable arrangements
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H01M50/578—Devices or arrangements for the interruption of current in response to pressure
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/593—Spacers; Insulating plates
    • 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

Definitions

  • the present disclosure relates to batteries.
  • a battery that includes a bottomed cylindrical battery can having an opening at one end, an electrode group housed in the battery can and having a positive electrode and a negative electrode, and a sealing body that seals the opening of the battery can (for example, Patent Document 1).
  • the positive electrode and the sealing body are electrically connected, and the negative electrode and the battery can are electrically connected.
  • the battery sealing body of Patent Document 1 is composed of relatively many parts (specifically, a filter, a lower valve body, an insulating member, an upper valve body, and a cap) and has a complicated structure. Under such circumstances, one of the purposes of the present disclosure is to simplify the sealing structure.
  • the battery includes: a bottomed cylindrical battery can having an opening at one end; an electrode group housed in the battery can and having a first electrode and a second electrode;
  • the battery can includes an electrode terminal insulated from the can, and a sealing plate that seals the opening of the battery can, the electrode terminal is electrically connected to the first electrode, and the battery can is electrically connected to the second electrode. electrically connected to.
  • the sealing structure can be simplified.
  • FIG. 1 is a vertical cross-sectional view schematically showing an example of a battery according to the present disclosure.
  • FIG. 2 is a schematic perspective view showing an example of an end current collector plate.
  • the battery according to the present disclosure may be a primary battery such as a lithium primary battery, or a secondary battery such as an alkaline storage battery (nickel hydride battery, nickel cadmium battery, etc.), lithium ion secondary battery, lithium metal secondary battery, etc. It may be.
  • the category of secondary batteries also includes power storage devices (for example, lithium ion capacitors) in which at least one of a positive electrode and a negative electrode is an electrode that develops capacity through a faradaic reaction.
  • a battery according to the present disclosure includes a battery can, an electrode group, an electrode terminal, and a sealing plate.
  • the battery can is formed into a bottomed cylindrical shape with an opening at one end.
  • the battery can may have a cylindrical shape with a bottom or a rectangular cylindrical shape with a bottom, for example.
  • the battery can is made of a conductor (eg, metal).
  • the battery can is electrically connected to the second electrode of the electrode group.
  • the electrode group has a first electrode and a second electrode.
  • the electrode group may be, for example, a wound type electrode group formed by winding a first electrode and a second electrode with a separator in between.
  • the outer shape of the electrode group may be, for example, cylindrical or prismatic.
  • One of the first electrode and the second electrode is a positive electrode, and the other of the first electrode and the second electrode is a negative electrode.
  • the first electrode, the second electrode, and the separator may each be in the form of a long sheet (or a band).
  • the first electrode may include a first current collector in the form of a long sheet and a first active material layer supported on the first current collector.
  • the second electrode has a second current collector in the form of a long sheet, and may further include a second active material layer supported on the second current collector.
  • the separator may be composed of a porous sheet having ion permeability and insulation properties. Examples of porous sheets include thin films, woven fabrics, and nonwoven fabrics having micropores.
  • the first active material layer may be provided on both sides of the first current collector, or may be provided on one side of the first current collector.
  • the first current collector is a positive electrode current collector (for example, may be composed of aluminum foil or aluminum alloy foil), and the first active material layer is a positive electrode active material layer (for example, , a lithium-containing transition metal oxide).
  • the first current collector is a negative electrode current collector (for example, may be composed of copper foil or copper alloy foil), and the first active material layer is a negative electrode active material layer (for example, ) may also be provided.
  • the electrode terminal passes through the bottom of the battery can and is insulated from the battery can.
  • the electrode terminal is made of a conductor (eg, metal).
  • the electrode terminal may have a protrusion that protrudes outward from the bottom of the battery can.
  • the electrode terminals may be insulated from the battery can by a gasket.
  • the electrode terminal is electrically connected to the first electrode of the electrode group.
  • the sealing plate seals the opening of the battery can.
  • the sealing plate may have a shape corresponding to the shape of the battery can.
  • the sealing plate may be generally disk-shaped or square plate-shaped.
  • the sealing plate may be made of a conductor (for example, metal) or an insulator (for example, resin).
  • the sealing plate may be fixed to the battery can via a gasket.
  • the sealing plate may or may not be electrically connected to the battery can.
  • the sealing plate does not necessarily need to be electrically connected to each electrode of the electrode group, and has a simple structure because it is not composed of many parts. By using such a sealing plate, the battery sealing structure can be simplified. Note that the sealing plate may be electrically connected to any electrode of the electrode group.
  • the sealing plate may have an explosion-proof mechanism that operates when the internal pressure of the battery can exceeds a predetermined value.
  • the explosion-proof mechanism may be configured, for example, by a thin section formed in the sealing plate.
  • such an explosion-proof mechanism is provided on the side opposite to the sealing body that seals the opening of the battery can, that is, on the bottom side of the battery can.
  • the design for realizing an appropriate relationship between the pressure strength (or operating pressure) of the explosion-proof mechanism and the pressure strength of the sealing body may be relatively complicated.
  • the sealing plate of the present disclosure seals the opening of the battery can and has an explosion-proof mechanism. Therefore, an appropriate relationship between the pressure strength of the explosion-proof mechanism and the pressure strength of the sealing plate can be realized without requiring complicated design.
  • the battery may further include a current collector plate that is electrically connected to the second electrode and welded to the battery can.
  • the current collector plate may be welded to the battery can inside the battery can rather than the sealing plate.
  • the second electrode and the battery can are electrically connected through at least the current collector plate.
  • a battery generally includes an electrolyte (electrolytic solution) housed inside a battery can together with an electrode group.
  • an electrolyte electrolytic solution housed inside a battery can together with an electrode group.
  • the electrolyte may be accommodated in the battery can after the current collector plate is welded, and welding is not necessary in the subsequent step of attaching the sealing plate. Therefore, the problem of electrolyte leakage as described above is less likely to occur.
  • a concave portion recessed toward the inside in the radial direction of the battery can may be formed near the opening in the battery can.
  • the recessed portion may have a flat portion extending perpendicularly to the axial direction of the battery can when viewed in a longitudinal section passing through the center of the battery can.
  • the current collector plate may be welded to the flat part of the recess.
  • the recess may extend in the circumferential direction of the battery can, and preferably extends over the entire circumference of the battery can. Such a recess can be formed by so-called drawing. In the step of welding the current collector plate to the flat part of the recess, the current collector plate can be placed in surface contact with the flat part, which facilitates the welding work and improves welding quality.
  • the electrode terminal may have a first terminal portion exposed to the outside of the battery can and a second terminal portion riveted to the first terminal portion.
  • the first terminal portion may be formed, for example, in an annular or ring shape.
  • the second terminal portion may include, for example, a plate-shaped (for example, disk-shaped) base portion and a columnar portion that protrudes from the base portion and is riveted to the first terminal portion. According to this configuration, when the internal pressure of the battery increases, the electrode terminal can be made difficult to come off from the battery can.
  • the sealing plate may have an outer edge portion that is caulked and fixed by the battery can, and an inner portion that is provided closer to the center than the outer edge portion.
  • a step portion may be provided between the outer edge portion and the inner portion so that the inner portion is located outside the battery can than the outer edge portion.
  • the first electrode may be a positive electrode.
  • the second electrode may be a negative electrode.
  • the electrode terminal electrically connected to the first electrode functions as an external positive terminal
  • the battery can electrically connected to the second electrode functions as an external negative terminal.
  • the sealing plate may be composed of a single plate-like member. In this case, the battery sealing structure can be further simplified.
  • the sealing structure of the battery can be simplified by using a sealing plate with a simple structure. Furthermore, according to the present disclosure, it is possible to suppress leakage of electrolyte from the battery can.
  • the battery 10 of this embodiment is a secondary battery that can be repeatedly charged and discharged, and may be, for example, a lithium ion secondary battery or a lithium secondary battery (lithium metal secondary battery). As shown in FIG. 1, the battery 10 includes a battery can 11, an electrode group 14, a positive terminal 16, an end current collector plate 17, a negative current collector plate 19, and a sealing plate 21.
  • the battery can 11 is formed into a bottomed cylindrical shape with an opening at one end (lower end in FIG. 1).
  • the battery can 11 is made of metal.
  • a through hole 12 through which a positive electrode terminal 16 is inserted is formed in the center of the bottom of the battery can 11 .
  • the battery can 11 accommodates an electrolytic solution (not shown) together with the electrode group 14 .
  • a recess 13 is formed near the opening of the battery can 11 and is recessed toward the inside in the radial direction of the battery can 11 .
  • the recessed portion 13 has a flat portion 13a that extends perpendicularly to the axial direction of the battery can 11 when viewed in a longitudinal section passing through the center of the battery can 11 (in cross-sectional view in FIG. 1).
  • the electrode group 14 has a positive electrode 14a and a negative electrode 14b.
  • the electrode group 14 is a wound type electrode group formed by winding a positive electrode 14a and a negative electrode 14b with a separator (not shown) in between.
  • the electrode group 14 has a generally cylindrical shape as a whole. A plurality (eight in this example) of positive electrode tabs 15 made of a conductor are connected to the positive electrode 14a.
  • the positive electrode 14a is an example of a first electrode.
  • the negative electrode 14b is an example of a second electrode.
  • An insulating member 22 is arranged between the electrode group 14 and the bottom of the battery can 11 to electrically insulate both.
  • the insulating member 22 is made of, for example, insulating resin.
  • the insulating member 22 may be attached to the bottom of the battery can 11.
  • the positive electrode terminal 16 is inserted into the through hole 12 at the bottom of the battery can 11 and passes through the bottom of the battery can 11 .
  • the positive electrode terminal 16 is made of metal.
  • the positive electrode terminal 16 is insulated from the battery can 11 by a positive electrode gasket 24 made of an insulating material.
  • the positive electrode terminal 16 has a first terminal portion 16a exposed to the outside of the battery can 11, and a second terminal portion 16b riveted to the first terminal portion 16a.
  • the first terminal portion 16a and the second terminal portion 16b may be further welded (eg, laser welded).
  • the above-described positive electrode tab 15 is connected to the second terminal portion 16b by, for example, ultrasonic welding. Therefore, the positive electrode terminal 16 is electrically connected to the positive electrode 14a.
  • An insulating plate 23 is arranged between the positive electrode terminal 16 and the electrode group 14 to electrically insulate both.
  • the positive electrode terminal 16 is an example of an electrode terminal.
  • the end current collector plate 17 is made of metal, and as shown in FIG. 2 in particular, has a central portion 17a and a plurality of (four in this example) arm portions 17b extending radially outward from the central portion 17a. and has.
  • the end current collector plate 17 has a generally cross shape as a whole, but is not limited to this.
  • Each arm portion 17b is connected to the negative electrode 14b of the electrode group 14, for example, by laser welding.
  • the negative electrode current collector plate 19 is electrically connected to the end face current collector plate 17 via a metal connecting plate 18 (for example, it may be formed in a ring shape). Therefore, the negative electrode current collector plate 19 is electrically connected to the negative electrode 14b.
  • the negative electrode current collector plate 19 and the connecting plate 18 may be welded (for example, laser welded) to each other.
  • the connecting plate 18 and the end current collector plate 17 may be welded together (for example, by laser welding). Note that the negative electrode current collector plate 19 may be directly connected to the end face current collector plate 17. In this case, the communication board 18 is not necessary.
  • the negative electrode current collector plate 19 has one or more injection holes 19a for injecting electrolyte into the battery can 11.
  • the negative electrode current collector plate 19 is welded (eg, laser welded) to the flat part 13a of the battery can 11 at its outer edge.
  • the negative electrode current collector plate 19 is welded to the battery can 11 on the inside of the battery can 11 (the upper side in FIG. 1) than the sealing plate 21 . Therefore, the battery can 11 is electrically connected to the negative electrode 14b via the negative electrode current collector plate 19 and the like.
  • the negative electrode current collector plate 19 is an example of a current collector plate.
  • the sealing plate 21 seals the opening of the battery can 11.
  • the sealing plate 21 is made of metal and has a generally disk shape. Sealing plate 21 is insulated from battery can 11 by negative electrode gasket 25 . Although the sealing plate 21 of this embodiment is not electrically connected to either the positive electrode 14a or the negative electrode 14b of the electrode group 14, the present invention is not limited to this.
  • the sealing plate 21 has an explosion-proof mechanism (not shown) that is activated when the internal pressure of the battery can 11 exceeds a predetermined value.
  • the sealing plate 21 has an outer edge portion 21a that is caulked and fixed by the battery can 11, and an inner portion 21b that is provided closer to the center than the outer edge portion 21a.
  • a stepped portion 21c is provided between the outer edge portion 21a and the inner portion 21b such that the inner portion 21b is located on the outer side of the battery can 11 (lower side in FIG. 1) than the outer edge portion 21a.
  • a bottomed cylindrical battery can with an opening at one end; an electrode group housed in the battery can and having a first electrode and a second electrode; an electrode terminal penetrating the bottom of the battery can and insulated from the battery can; a sealing plate that seals the opening of the battery can; Equipped with the electrode terminal is electrically connected to the first electrode, A battery, wherein the battery can is electrically connected to the second electrode.
  • battery (Technology 6)
  • the sealing plate has an outer edge part that is caulked and fixed by the battery can, and an inner part that is provided closer to the center than the outer edge part, According to any one of techniques 1 to 5, a stepped portion is provided between the outer edge portion and the inner portion so that the inner portion is located outside the battery can than the outer edge portion. battery.
  • the first electrode is a positive electrode
  • the present disclosure can be used for batteries.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Connection Of Batteries Or Terminals (AREA)
PCT/JP2023/020513 2022-09-14 2023-06-01 電池 Ceased WO2024057631A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP23864995.8A EP4589759A4 (en) 2022-09-14 2023-06-01 Battery
JP2024546707A JPWO2024057631A1 (https=) 2022-09-14 2023-06-01
CN202380065551.3A CN119856335A (zh) 2022-09-14 2023-06-01 电池

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022-146046 2022-09-14
JP2022146046 2022-09-14

Publications (1)

Publication Number Publication Date
WO2024057631A1 true WO2024057631A1 (ja) 2024-03-21

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ID=90274468

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2023/020513 Ceased WO2024057631A1 (ja) 2022-09-14 2023-06-01 電池

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Country Link
EP (1) EP4589759A4 (https=)
JP (1) JPWO2024057631A1 (https=)
CN (1) CN119856335A (https=)
WO (1) WO2024057631A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12580282B2 (en) * 2022-02-03 2026-03-17 G.D S.P.A. Method to produce a battery for energy storage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001135358A (ja) * 1999-08-24 2001-05-18 Toyota Central Res & Dev Lab Inc 密閉二次電池
JP2021166195A (ja) 2017-03-28 2021-10-14 パナソニックＩｐマネジメント株式会社 非水電解質二次電池
US20220231345A1 (en) * 2021-01-19 2022-07-21 Lg Energy Solution, Ltd. Battery, and battery pack and vehicle including the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12347878B2 (en) * 2019-12-18 2025-07-01 Panasonic Energy Co., Ltd. Cylindrical battery
KR20220118955A (ko) * 2021-02-19 2022-08-26 주식회사 엘지에너지솔루션 배터리, 그리고 이를 포함하는 배터리 팩 및 자동차

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001135358A (ja) * 1999-08-24 2001-05-18 Toyota Central Res & Dev Lab Inc 密閉二次電池
JP2021166195A (ja) 2017-03-28 2021-10-14 パナソニックＩｐマネジメント株式会社 非水電解質二次電池
US20220231345A1 (en) * 2021-01-19 2022-07-21 Lg Energy Solution, Ltd. Battery, and battery pack and vehicle including the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4589759A4

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12580282B2 (en) * 2022-02-03 2026-03-17 G.D S.P.A. Method to produce a battery for energy storage

Also Published As

Publication number Publication date
EP4589759A1 (en) 2025-07-23
EP4589759A4 (en) 2026-01-21
JPWO2024057631A1 (https=) 2024-03-21
CN119856335A (zh) 2025-04-18

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