WO2020148834A1 - Batterie d'accumulateurs au plomb - Google Patents

Batterie d'accumulateurs au plomb Download PDF

Info

Publication number
WO2020148834A1
WO2020148834A1 PCT/JP2019/001112 JP2019001112W WO2020148834A1 WO 2020148834 A1 WO2020148834 A1 WO 2020148834A1 JP 2019001112 W JP2019001112 W JP 2019001112W WO 2020148834 A1 WO2020148834 A1 WO 2020148834A1
Authority
WO
WIPO (PCT)
Prior art keywords
lattice
positive electrode
negative electrode
grid
bones
Prior art date
Application number
PCT/JP2019/001112
Other languages
English (en)
Japanese (ja)
Inventor
佳孝 小笠原
徹也 木村
賢二 苅谷
Original Assignee
日立化成株式会社
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 日立化成株式会社 filed Critical 日立化成株式会社
Priority to PCT/JP2019/001112 priority Critical patent/WO2020148834A1/fr
Publication of WO2020148834A1 publication Critical patent/WO2020148834A1/fr

Links

Images

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
    • H01M10/06—Lead-acid accumulators
    • H01M10/12—Construction or manufacture
    • 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 lead storage battery.
  • the lead-acid battery includes an electrode group and a case that houses the electrode group and the electrolytic solution (for example, see Patent Document 1).
  • the electrode group has a structure in which positive electrodes and negative electrodes are alternately stacked with separators in between.
  • valve-regulated lead-acid batteries are used for uninterruptible power supplies and power storage applications. Further, in recent years, the valve-regulated lead-acid battery is also used for cycle applications such as for electric vehicles. For such a cycle application, higher output is required. In order to increase the output, the number of electrodes in the battery case is increased by reducing the thickness of the electrodes and the thickness of the separator.
  • battery case formation In the manufacturing process of a control valve type lead storage battery, battery case formation is performed. In battery case formation, a direct current is passed after injecting an electrolytic solution into an unformed battery. In the battery case formation, in order to permeate the electrolytic solution into the electrode plate, the electrolytic solution is injected and then left for a predetermined time. When this standing time becomes long, the unactivated active material and the electrolytic solution (dilute sulfuric acid) react with each other, so that lead sulfate (PbSO 4 ) increases and the specific gravity of the electrolytic solution decreases.
  • PbSO 4 lead sulfate
  • One aspect of the present invention is to provide a lead storage battery capable of suppressing the occurrence of a penetration short circuit.
  • a lead-acid battery includes a positive electrode having a positive electrode grid and an electrode material held by the positive electrode grid, and a negative electrode having a negative electrode grid and an electrode material held by the negative electrode grid.
  • the positive electrode grid body has a positive electrode grid portion composed of a plurality of grid bones, and the positive electrode grid body includes a separator disposed between the positive electrode and the negative electrode, and a case containing the positive electrode, the negative electrode, the separator, and the electrolytic solution.
  • the negative electrode grid body has a negative electrode grid portion composed of a plurality of grid bones, and the positive electrode grid portion and the negative electrode grid portion of the negative electrode grid portion are seen from the direction in which the positive electrode, the negative electrode, and the separator are stacked.
  • the intersection of the lattice bones of one of the positive electrode lattice portion and the negative electrode lattice portion is located in the opening formed by the other lattice bone of the positive electrode lattice portion and the negative electrode lattice portion.
  • an opening in which an intersection of one of the positive grid and the negative grid is formed by the other grid of the positive grid and the negative grid is formed by the other grid of the positive grid and the negative grid. Located in the department. Therefore, in the lead storage battery, it is possible to reduce the portion where the lattice bone of the positive electrode lattice portion and the lattice bone of the negative electrode lattice portion overlap each other, and secure the distance between the lattice bone of the positive electrode lattice portion and the lattice bone of the negative electrode lattice portion. it can. Therefore, in the lead storage battery, even when a conductive portion is formed in the separator, it is possible to prevent the positive electrode and the negative electrode from being electrically connected by the conductive portion. As a result, in the lead storage battery, it is possible to prevent the occurrence of the penetration short circuit.
  • the intersecting portion may be located in the opening in the region including the central portion of each of the positive electrode lattice portion and the negative electrode lattice portion.
  • the specific gravity of sulfuric acid is likely to decrease when the electrolytic solution is poured into the case containing the positive electrode, the negative electrode, and the separator. Therefore, in the lead storage battery, the occurrence of the permeation short circuit can be effectively prevented by positioning the intersecting portion in the opening in the region including the central portion of each of the positive electrode grid portion and the negative electrode grid portion.
  • the intersection may be located in the center of the opening.
  • the positive electrode lattice portion is a plurality of first lattice bones that extend along the first direction and are arranged at a predetermined interval in the second direction intersecting the first direction.
  • a plurality of second lattice bones extending along the second direction and arranged at a predetermined interval in the first direction, and the negative electrode lattice portion in the first direction.
  • a plurality of third lattice bones extending along the second direction and arranged at a predetermined interval in the second direction, and extending along the second direction and having a predetermined interval in the first direction.
  • a plurality of fourth lattice bones arranged apart from each other.
  • the first lattice bone and the third lattice bone do not overlap and the second lattice bone and the fourth lattice bone do not overlap by locating the intersecting portion at the opening. Therefore, in the lead storage battery, it is possible to prevent the occurrence of an infiltration short circuit.
  • the distance between the positive electrode and the negative electrode arranged via the separator may be 2.0 mm or less. As described above, when the distance between the positive electrode and the negative electrode is short, the configuration in which the intersection is located in the opening is particularly effective.
  • the thickness of the separator may be 2.0 mm or less. As described above, when the thickness of the separator is thin, the configuration in which the intersecting portion is located in the opening is particularly effective.
  • the case may be provided with a control valve.
  • a valve-regulated lead-acid battery having a control valve an infiltration short circuit may occur. Therefore, in the control valve type lead-acid battery, the configuration in which the intersection is located at the opening is particularly effective.
  • FIG. 1 is an exploded perspective view showing a lead storage battery according to one embodiment.
  • FIG. 2 is a plan view of the positive electrode grid body.
  • FIG. 3 is a plan view of the negative electrode grid body.
  • FIG. 4 is a plan view of a state in which the positive electrode grid body and the negative electrode grid body are stacked.
  • FIG. 5 is a figure which expands and shows a part of positive electrode grid body and negative electrode grid body of FIG.
  • the lead storage battery 1 includes a case 2 having an open top surface, a lid 3 that closes the opening of the case 2, and an electrode group 4.
  • the lead storage battery 1 is a control valve type lead storage battery. In the description of the lead storage battery 1, the direction in which the lid 3 is located is referred to as “up” for convenience.
  • the case 2 and the lid 3 are made of, for example, polypropylene (PP), ABS and polyphenylene ether (PPE).
  • the lid 3 is provided with a positive electrode terminal 5, a negative electrode terminal 6, and a control valve 7 for discharging excess gas to the outside of the case 2.
  • the electrode group 4 and an electrolytic solution such as dilute sulfuric acid are contained.
  • the electrode group 4 includes a positive electrode 9, a negative electrode 10, and a separator 11 arranged between the positive electrode 9 and the negative electrode 10.
  • the electrode group 4 has a structure in which the positive electrodes 9 and the negative electrodes 10 are alternately stacked with the separators 11 in between.
  • the distance between the positive electrode 9 and the negative electrode 10 is 2.0 mm or less when the positive electrode 9, the negative electrode 10 and the separator 11 are stacked and housed in the case 2.
  • the positive electrode 9 and the negative electrode 10 are arranged so that their main surfaces are perpendicular to the opening surface of the case 2.
  • the ears 23 of the positive electrode grid bodies 12 of the plurality of positive electrodes 9 are integrally welded to each other by the positive electrode strap 16.
  • the ears 33 of the negative electrode grids 14 of the plurality of negative electrodes 10 are integrally welded by the negative electrode strap 17.
  • the positive electrode strap 16 is connected to the positive electrode terminal 5 via the positive electrode column 18.
  • the negative electrode strap 17 is connected to the negative electrode terminal 6 via the negative electrode column 19.
  • the positive electrode 9 includes a positive electrode grid body 12 and a positive electrode material (electrode material) 13 filled in the positive electrode grid body 12.
  • the positive electrode grid body 12 is a grid body used for the positive electrode 9 of the lead storage battery 1.
  • the positive electrode grid 12 is made of, for example, a lead alloy containing lead as a main component.
  • the lead alloy may contain one or more elements of antimony, tin, calcium and aluminum as a component other than lead.
  • the lead alloy may further contain, for example, at least one of bismuth and silver.
  • the positive electrode grid body 12 includes a frame body 21, a grid portion (positive electrode grid portion) 22, an ear portion 23, and a convex portion 24.
  • the directions (X direction, Y direction) defined in FIG. 2 are used for description.
  • the X direction corresponds to the first direction described in the claims.
  • the Y direction corresponds to the second direction intersecting the first direction described in the claims.
  • the frame 21 defines an internal space 12a for holding the positive electrode material 13.
  • the frame body 21 is a rectangular frame.
  • the frame body 21 includes a frame bone 25a, a frame bone 25b, a frame bone 25c, and a frame bone 25d.
  • the frame bone 25a is an elongated columnar member that is located above the frame body 21 and extends along the X direction.
  • the frame bone 25b is a long columnar member located below the frame body 21 and extending along the X direction.
  • the frame bones 25a and 25b are arranged to face each other in the Y direction, and extend substantially parallel to each other along the X direction.
  • Each of the frame bones 25a and 25b has, for example, a hexagonal prism shape. That is, the cross-sectional shape of the frame bone 25a that intersects the X direction and the cross-sectional shape of the frame bone 25b that intersects the X direction are hexagons.
  • the frame bone 25c is a long columnar member located on the side of the frame body 21 and extending along the Y direction.
  • the frame bone 25c connects one end of the frame bone 25a and one end of the frame bone 25b.
  • the frame bone 25d is a long columnar member that is located on the side portion of the frame body 21 and extends along the Y direction.
  • the frame bone 25d connects the other end of the frame bone 25a and the other end of the frame bone 25b.
  • the frame bones 25c and 25d are arranged to face each other in the X direction and extend substantially parallel to each other along the Y direction.
  • Each of the frame bones 25c and 25d has, for example, a hexagonal prism shape. That is, the cross-sectional shape of the frame bone 25c that intersects the Y direction and the cross-sectional shape of the frame bone 25d that intersects the Y direction are hexagons.
  • the lattice portion 22 is provided in the internal space 12a and holds the positive electrode material 13.
  • the lattice part 22 includes a plurality of lattice bones (first lattice bones) 26 and a plurality of lattice bones (second lattice bones) 27.
  • Each of the plurality of lattice bones 26 is a long columnar member extending along the X direction.
  • Each of the plurality of lattice bones 26 is arranged at a predetermined interval in the Y direction.
  • Each of the plurality of lattice bones 27 is a long columnar member extending along the Y direction.
  • Each of the plurality of lattice bones 27 is arranged at a predetermined interval in the X direction.
  • the plurality of lattice bones 26 and the plurality of lattice bones 27 intersect each other and are arranged so as to form a lattice.
  • Each of the lattice bones 26 and 27 has, for example, a hexagonal prism shape. That is, the cross-sectional shape of the lattice bone 26 that intersects the X direction and the cross-sectional shape of the lattice bone 27 that intersects the Y direction are hexagons.
  • the ear portion 23 is a member for collecting current provided on the frame body 21.
  • the ear portion 23 has a rectangular plate shape. Specifically, the ear portion 23 is provided on the frame bone 25a and protrudes upward from the frame bone 25a (on the side opposite to the frame bone 25b).
  • the convex portion 24 is a plate-shaped member provided on the frame body 21. Specifically, the convex portion 24 is provided on the frame bone 25b and projects downward from the frame bone 25b (on the side opposite to the frame bone 25a). In this embodiment, two convex portions 24 are provided. The two convex portions 24 are arranged side by side in the X direction.
  • the positive electrode material 13 contains a positive electrode active material, an additive, and the like.
  • the positive electrode active material include lead dioxide.
  • the additives include carbon materials and reinforcing short fibers.
  • the negative electrode 10 has a negative electrode grid body 14 and a negative electrode material (electrode material) 15 filled in the negative electrode grid body 14.
  • the negative electrode grid body 14 is a grid body used for the negative electrode 10 of the lead storage battery 1.
  • the negative electrode grid 14 is made of, for example, a lead alloy containing lead as a main component.
  • the lead alloy may contain one or more elements of antimony, tin, calcium and aluminum as a component other than lead.
  • the lead alloy may further contain, for example, at least one of bismuth and silver.
  • the negative electrode grid body 14 includes a frame body 31, a grid portion (negative electrode grid portion) 32, an ear portion 33, and a convex portion 34.
  • the directions (X direction, Y direction) defined in FIG. 3 are used for description.
  • the X direction corresponds to the first direction described in the claims.
  • the Y direction corresponds to the second direction intersecting the first direction described in the claims.
  • the frame 31 defines an internal space 14a for holding the negative electrode material 15.
  • the frame body 31 is a rectangular frame.
  • the frame body 31 includes a frame bone 35a, a frame bone 35b, a frame bone 35c, and a frame bone 35d.
  • the frame bone 35a is a long columnar member that is located above the frame body 31 and extends along the X direction.
  • the frame bone 35b is a long columnar member located below the frame body 31 and extending along the X direction.
  • the frame bones 35a and 35b are arranged to face each other in the Y direction and extend substantially parallel to each other along the X direction.
  • Each of the frame bones 35a and 35b has, for example, a hexagonal prism shape. That is, the cross-sectional shape of the frame bone 35a that intersects the X direction and the cross-sectional shape of the frame bone 35b that intersects the X direction are hexagons.
  • the frame bone 35c is a long columnar member that is located on the side of the frame body 31 and extends along the Y direction.
  • the frame bone 35c connects one end of the frame bone 35a and one end of the frame bone 35b.
  • the frame bone 35d is a long columnar member that is located on a side portion of the frame body 31 and extends along the Y direction.
  • the frame bone 35d connects the other end of the frame bone 35a and the other end of the frame bone 35b.
  • the frame bones 35c and 35d are arranged to face each other in the X direction and extend substantially parallel to each other along the Y direction.
  • Each of the frame bones 35c and 35d has, for example, a hexagonal prism shape. That is, the cross-sectional shape of the frame bone 35c that intersects the Y direction and the cross-sectional shape of the frame bone 35d that intersects the Y direction are hexagons.
  • the lattice portion 32 is provided in the internal space 14a and holds the negative electrode material 15.
  • the lattice portion 32 includes a plurality of lattice bones (third lattice bones) 36 and a plurality of lattice bones (fourth lattice bones) 37.
  • Each of the plurality of lattice bones 36 is a long columnar member extending along the X direction.
  • Each of the plurality of lattice bones 36 is arranged at a predetermined interval in the Y direction.
  • Each of the plurality of lattice bones 37 is a long columnar member extending along the Y direction.
  • Each of the plurality of lattice bones 37 is arranged at a predetermined interval in the X direction.
  • the plurality of lattice bones 36 and the plurality of lattice bones 37 intersect each other and are arranged so as to form a lattice.
  • Each of the lattice bones 36 and 37 has, for example, a hexagonal prism shape. That is, the cross-sectional shape of the lattice bone 36 that intersects the X direction and the cross-sectional shape of the lattice bone 37 that intersects the Y direction are hexagons.
  • the ear portion 33 is a member for collecting current provided on the frame body 31.
  • the ear portion 33 has a rectangular plate shape. Specifically, the ear portion 33 is provided on the frame bone 35a and projects from the frame bone 35a upward (to the side opposite to the frame bone 35b).
  • the convex portion 34 is a plate-shaped member provided on the frame body 31. Specifically, the convex portion 34 is provided on the frame bone 35b and projects downward from the frame bone 35b (on the side opposite to the frame bone 35a). In this embodiment, two convex portions 34 are provided. The two convex portions 34 are arranged side by side in the X direction.
  • the negative electrode material 15 contains a negative electrode active material, an additive, and the like.
  • the negative electrode active material include spongy lead.
  • the additive include barium sulfate, carbon materials, reinforcing short fibers, and the like.
  • the separator 11 is, for example, an electrolytic solution holder (retainer) that holds an electrolytic solution such as dilute sulfuric acid.
  • the separator 11 holds the electrolytic solution and allows sulfate ions and hydrogen ions (protons) to permeate while blocking electrical contact between the positive electrode 9 and the negative electrode 10.
  • the separator 11 has a plate shape, but may have a bag shape capable of enclosing the positive electrode 9, for example.
  • the thickness of each separator 11 is arbitrarily set and is, for example, 0.5 mm to 2.0 mm.
  • FIG. 4 shows a state in which the positive electrode grid body 12 and the negative electrode grid body 14 are stacked.
  • FIG. 5 is an enlarged view showing a part of the positive electrode grid body 12 and the negative electrode grid body 14 shown in FIG. In FIGS. 4 and 5, the direction in which the positive electrode grid body 12 and the negative electrode grid body 14 are stacked coincides with the direction in which the positive electrode 9, the negative electrode 10, and the separator 11 are stacked.
  • the intersections C11 and C12 of one lattice bone of the lattice portion 22 and the lattice portion 32 include the lattice portion 22 and the lattice portion 32. It is located in the openings O1 and O2 formed by the other lattice bone.
  • the area A is an area including the central portions of the lattice portion 22 and the lattice portion 32.
  • the intersection portions C11 and C12 of one lattice bone of the lattice portion 22 and the lattice portion 32 are the lattice portion 22 and the lattice portion. It is located in the openings O1 and O2 formed by the other lattice bone of 32.
  • the intersection portion C11 of the lattice bones 26 and the lattice bones 27 of the lattice portion 22 of the positive electrode 9 is the opening O1 formed by the lattice bones 36 and the lattice bones 37 of the lattice portion 32 of the negative electrode 10. Is located in.
  • the intersecting portion C11 is located at the central portion C21 of the opening O1.
  • the intersection portion C12 of the lattice bone 36 and the lattice bone 37 of the lattice portion 32 of the negative electrode 10 is located in the opening O2 formed by the lattice bones 26 and 27 of the lattice portion 22 of the positive electrode 9.
  • the intersecting portion C12 is located at the central portion C22 of the opening O2.
  • the central portions C21 and C22 may include not only the exact center but also surrounding areas including the center.
  • the intersecting portion C11 of the lattice portion 22 and the intersecting portion C12 of the lattice portion 32 do not overlap with each other when viewed from the direction in which the positive electrode 9, the negative electrode 10, and the separator 11 are stacked. That is, in the lead storage battery 1, the grid bones 26 of the grid portion 22 and the grid bones 36 of the grid portion 32 do not overlap with each other when viewed from the direction in which the positive electrode 9, the negative electrode 10, and the separator 11 are stacked.
  • the lattice bones 27 of the lattice portion 22 and the lattice bones 37 of the lattice portion 32 do not overlap each other when viewed from the direction in which the positive electrode 9, the negative electrode 10, and the separator 11 are stacked.
  • one of the lattice portions 22 of the positive electrode lattice body 12 and the lattice portion 32 of the negative electrode lattice body 14 has the intersection portion C11, C12 of the lattice bones, which is the lattice portion. It is located in the openings O1 and O2 formed by the lattice bone of the other 22 and the lattice portion 32.
  • the portion where the lattice bones 26 and 27 of the lattice portion 22 and the lattice bones 36 and 37 of the lattice portion 32 overlap can be reduced, and the lattice bones 26 and 27 of the lattice portion 22 and the lattice portion 32 can be reduced.
  • the distance between the lattice bones 36 and 37 can be secured (the distance can be lengthened). Therefore, in the lead storage battery 1, even when the conductive portion (PbSO 4 ) is formed in the separator 11, it is possible to suppress the conduction between the positive electrode 9 and the negative electrode 10 by the conductive portion. As a result, in the lead storage battery 1, it is possible to prevent the occurrence of an infiltration short circuit.
  • the intersecting portions C11 and C12 form the openings O1 and O2. positioned.
  • the electrolytic solution is poured into the case 2 in which the positive electrode 9, the negative electrode 10, and the separator 11 are housed.
  • the specific gravity of sulfuric acid tends to decrease. That is, in the area A, the permeation short circuit is likely to occur.
  • the intersections C11, C12 should be located in the openings O1, O2 in the region A including the central portions of the grid portion 22 of the positive electrode grid body 12 and the grid portion 32 of the negative electrode grid body 14, respectively. This can effectively prevent the occurrence of an infiltration short circuit.
  • the intersections C11, C12 are located at the central portions C21, C22 of the openings O1, O2.
  • the lattice portion 22 of the positive electrode lattice body 12 has a plurality of lattice bones 26 and a plurality of lattice bones 27.
  • the lattice portion 32 of the negative electrode lattice body 14 may include a plurality of lattice bones 36 and a plurality of lattice bones 37.
  • the lattice bones 26 and the lattice bones 36 do not overlap, and the lattice bones 27 and the lattice bones 37 do not overlap. Therefore, in the lead storage battery 1, it is possible to prevent the occurrence of an infiltration short circuit.
  • the distance between the positive electrode 9 and the negative electrode 10 which are arranged via the separator 11 in the case 2 is 2.0 mm or less.
  • the thickness of the separator 11 is 2.0 mm or less.
  • the lead storage battery 1 is a control valve type lead storage battery as an example.
  • the lead storage battery may be a vented lead storage battery.
  • the intersections C11 and C12 of one lattice bone of the lattice section 22 and the lattice section 32 are the lattice section 22 and the lattice section.
  • the form positioned in the openings O1 and O2 formed by the other lattice bone of 32 has been described as an example.
  • the intersections C11 and C12 of one lattice bone of the lattice portion 22 and the lattice portion 32 are formed by the other lattice bone of the lattice portion 22 and the lattice portion 32. It may be located at O1 and O2.
  • the crossing portion C11 is located at the central portion C21 of the opening O1
  • the crossing portion C12 is located at the central portion C22 of the opening O2.
  • the intersections C11 and C12 may be located at least in the openings O1 and O2.
  • the lattice portion 22 is composed of the linear lattice bones 26 and 27, and the lattice portion 32 is composed of the linear lattice bones 36 and 37. ..
  • the structure of the lattice part is not limited to this.
  • the lattice part may be manufactured by, for example, an expanding method.
  • the present invention may appropriately combine the contents described as the above-mentioned embodiment and other modifications.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cell Electrode Carriers And Collectors (AREA)

Abstract

La présente invention porte sur une batterie d'accumulateurs au plomb (1), dans laquelle un corps de grille positive (12) comporte une partie de grille (22) composée d'une pluralité d'os de grille (26, 27), et un corps de grille négative (14) comporte une partie de grille (32) composée d'une pluralité d'os de grille (36, 37), observées dans la direction dans laquelle une électrode positive (9), une électrode négative (10), et un séparateur (11) sont empilés, dans au moins une partie d'une région A des parties de grille (22 et 32), les intersections (C11, C12) des os de grille de l'une ou l'autre des parties de grille (22 et 32) étant situées dans des ouvertures (O1, O2) formées par les os de grille de l'autre desdites parties de grille (22 et 32).
PCT/JP2019/001112 2019-01-16 2019-01-16 Batterie d'accumulateurs au plomb WO2020148834A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/001112 WO2020148834A1 (fr) 2019-01-16 2019-01-16 Batterie d'accumulateurs au plomb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/001112 WO2020148834A1 (fr) 2019-01-16 2019-01-16 Batterie d'accumulateurs au plomb

Publications (1)

Publication Number Publication Date
WO2020148834A1 true WO2020148834A1 (fr) 2020-07-23

Family

ID=71614165

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/001112 WO2020148834A1 (fr) 2019-01-16 2019-01-16 Batterie d'accumulateurs au plomb

Country Status (1)

Country Link
WO (1) WO2020148834A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007184114A (ja) * 2005-12-29 2007-07-19 Furukawa Battery Co Ltd:The 制御弁式鉛蓄電池

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007184114A (ja) * 2005-12-29 2007-07-19 Furukawa Battery Co Ltd:The 制御弁式鉛蓄電池

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
YOSHINO, AKIRA: "Viewpoint of Battery Technology", SEN-ITO KOGYO, vol. 66, no. 1, 2010, pages 2 - 3 *

Similar Documents

Publication Publication Date Title
JP6638795B2 (ja) 鉛蓄電池及びその製造方法
KR20180129115A (ko) 원통형 셀 연결 분리형 버스바와 이를 이용한 배터리 모듈 및 제조 방법
CN105990598B (zh) 蓄电元件
US6780540B2 (en) Element sleeve for a battery
JP2009516325A (ja) 区画された電解質を有するリチウム２次電池
JP2016085912A (ja) 蓄電素子
WO2017159299A1 (fr) Accumulateur au plomb
WO2020148834A1 (fr) Batterie d'accumulateurs au plomb
WO2019225620A1 (fr) Accumulateur au plomb
JP3245022B2 (ja) 鉛蓄電池及びその製造方法
JP6997325B2 (ja) 電池モジュールおよび電池パック
WO2022230902A1 (fr) Batterie assemblée, procédé de fabrication d'une batterie assemblée, et dispositif de fabrication d'une batterie assemblée
KR102451931B1 (ko) 납축전지의 극판 성장에 따른 쇼트를 방지하기 위한 이종 합성수지 재질로 형성된 쇼트 방지 장치
WO2022123643A1 (fr) Batterie de stockage au plomb-acide, sangle, composant de sangle, moule pour production de sangle et procédé de production de sangle
JP6999430B2 (ja) 鉛蓄電池
JP2022169203A (ja) 組電池
JPH0532939Y2 (fr)
WO2021049036A1 (fr) Batterie de stockage au plomb
JPH1140133A (ja) 鉛蓄電池
WO2021049037A1 (fr) Batterie au plomb-acide
JPWO2019224946A1 (ja) 格子体及び鉛蓄電池
JPS635861B2 (fr)
JP2677137B2 (ja) 薄形密閉式蓄電池
JP2022138346A (ja) 電極群、蓄電池、組電池、電動車及び電極群の製造方法
JP2022169202A (ja) 組電池

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19910354

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 12-10-2021)

NENP Non-entry into the national phase

Ref country code: JP

122 Ep: pct application non-entry in european phase

Ref document number: 19910354

Country of ref document: EP

Kind code of ref document: A1