WO2017130260A1 - Bloc de batterie - Google Patents

Bloc de batterie Download PDF

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Publication number
WO2017130260A1
WO2017130260A1 PCT/JP2016/005174 JP2016005174W WO2017130260A1 WO 2017130260 A1 WO2017130260 A1 WO 2017130260A1 JP 2016005174 W JP2016005174 W JP 2016005174W WO 2017130260 A1 WO2017130260 A1 WO 2017130260A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
cylindrical
battery pack
holder
air layer
Prior art date
Application number
PCT/JP2016/005174
Other languages
English (en)
Japanese (ja)
Inventor
中野　雅也
米田　晴彦
稲岡　修
Original Assignee
三洋電機株式会社
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 三洋電機株式会社 filed Critical 三洋電機株式会社
Publication of WO2017130260A1 publication Critical patent/WO2017130260A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/623—Portable devices, e.g. mobile telephones, cameras or pacemakers
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/623—Portable devices, e.g. mobile telephones, cameras or pacemakers
    • H01M10/6235—Power tools
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/643—Cylindrical cells
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/651—Means for temperature control structurally associated with the cells characterised by parameters specified by a numeric value or mathematical formula, e.g. ratios, sizes or concentrations
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6562—Gases with free flow by convection only
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
    • 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 invention relates to a battery pack including a plurality of cylindrical batteries, which can reliably prevent thermal runaway of one cylindrical battery from inducing thermal runaway of other cylindrical batteries in proximity.
  • the present invention relates to a battery pack that can surely prevent similar burning even in an abnormal state in which the battery bursts from the side.
  • Secondary batteries may cause thermal runaway due to various causes such as internal short circuit or overcharge. For example, when a lithium ion secondary battery runs out of heat, the battery temperature may rapidly increase to 300 ° C. to 400 ° C. or higher. In the case of a battery pack including a plurality of secondary batteries, if one of the secondary batteries causes a thermal runaway and induces a thermal runaway of the adjacent secondary battery, the energy of the thermal runaway occurs due to the thermal runaway of many secondary batteries. There is a harmful effect that becomes extremely large. This adverse effect prevents thermal runaway to adjacent secondary batteries by arranging partition walls made of resin or the like around the secondary battery or providing an air layer around the secondary battery.
  • the structure in which an air layer is provided is advantageous in that it has high heat insulation from the viewpoint of heat conduction. is there.
  • the side surface of the outer can may be torn and an abnormal state may occur in which a direct flame is generated. It is more effective to provide an obstruction.
  • An important object of the present invention is to provide a battery pack that can effectively suppress the adverse effects caused by the rupture of the outer can while effectively preventing induction of thermal runaway of the cylindrical battery.
  • the battery pack of the present invention includes a plurality of cylindrical batteries 1 and a battery holder 2 for arranging the plurality of cylindrical batteries 1 in a parallel posture.
  • the battery holder 2 includes a battery storage portion 3 having a plurality of insertion portions 4 for storing a plurality of cylindrical batteries 1, and the battery storage portion 3 is a partition wall that forms the insertion portions 4 between adjacent cylindrical batteries 1.
  • a longitudinal groove 6 extending in the longitudinal direction of the cylindrical battery 1 is provided on the inner surface of the insertion portion 4, and an air layer 7 is formed between the longitudinal groove 6 and the outer peripheral surface of the cylindrical battery 1.
  • an air layer 7 is disposed between the opposing surfaces of the cylindrical batteries 1 adjacent to each other.
  • the battery pack accommodates a plurality of cylindrical batteries in the insertion holes of the battery holder, and forms partition walls between adjacent cylindrical batteries, along the surface of the cylindrical battery. Any cylindrical shape while effectively blocking the heat transfer of the overheated cylindrical battery by the air layer and suppressing heat conduction between adjacent cylindrical batteries.
  • the partition provided between the adjacent cylindrical batteries can suppress adverse effects such as similar firing on the adjacent cylindrical battery. .
  • the air layer 7 can be disposed between the centers of the adjacent cylindrical batteries 1. With the above configuration, thermal runaway can be suppressed by avoiding heat conduction at the shortest distance between adjacent cylindrical batteries to increase the heat conduction distance.
  • the battery holder 2 is arranged in such a manner that the air layer 7 formed along the surface of each cylindrical battery 1 is opposed between the opposed surfaces of the adjacent cylindrical batteries 1. be able to. With the above-described configuration, the heat conduction between the adjacent cylindrical batteries can be effectively suppressed by arranging the air layers formed on the surfaces of the adjacent cylindrical batteries in an opposing posture.
  • the opposing air layer 7 can be arranged in a state of being displaced in the outer peripheral direction of the cylindrical battery 1. With the above configuration, it is possible to efficiently cover a wide area between the opposed cylindrical batteries with two air layers and suppress heat conduction.
  • the air layer 7 formed along the surface of each cylindrical battery 1 can be disposed between the opposing surfaces of the cylindrical batteries 1 adjacent to each other in an overlapping state.
  • the battery pack of the present invention can be provided with a plurality of air layers 7 along the outer periphery of the cylindrical battery 1 in a cross-sectional view of the battery holder 2.
  • the battery holder 2 includes the insertion hole 8 along the outer peripheral surface of the cylindrical battery 1 inside the insertion portion 4, and the cylindrical battery 1 can be accommodated in the insertion hole 8.
  • the battery holder 42 has a plurality of insertion portions 4 arranged in multiple rows and columns, and the gap 18 can be formed between the four insertion portions 4 arranged in the vertical and horizontal directions.
  • the battery holder 62 includes a holding groove 68 along the outer peripheral surface of the cylindrical battery 1 inside the insertion portion 64, and the cylindrical battery 1 can be stored in the holding groove 68.
  • the battery holder 2 can form a valley 14 between the adjacent insertion portions 4, and a part of the valley 14 can be disposed between the opposing surfaces of the adjacent cylindrical batteries 1. .
  • the above configuration has a feature that heat conduction between the cylindrical batteries in this portion can be suppressed by allowing a valley to enter between adjacent cylindrical batteries.
  • the cylindrical battery 1 closes the opening portion of the cylindrical and bottomed outer can 11 with the sealing plate 12, and the insertion portion 4 is the end of the cylindrical battery 1 on the sealing plate 12 side.
  • the air layer 7 can be formed in a region facing the part.
  • the opening width of the air layer 7 formed along the outer peripheral surface of the cylindrical battery 1 can be set to 1/20 to 1/3 of the entire outer periphery of the cylindrical battery 1.
  • the battery holder 2 allows the total length of the air layer 7 to be 30% or more of the total length of the cylindrical battery 1.
  • the battery holder 2 can open both ends of the air layer 7 to both end surfaces of the insertion portion 4.
  • FIG. 1 is a schematic exploded perspective view of a battery pack according to an embodiment of the present invention. It is a vertical cross-sectional view of the battery holder of the battery pack shown in FIG.
  • FIG. 3 is a cross-sectional view of the battery holder shown in FIG. 2 taken along the line III-III. It is a horizontal sectional view which shows the battery holder of the battery pack concerning the other Example of this invention.
  • FIG. 5 is a cross-sectional view taken along line VV of the battery holder shown in FIG.
  • FIG. 5 is a cross-sectional view of the battery holder shown in FIG. 4 taken along the line VI-VI. It is a decomposition
  • FIG. 8 is a cross-sectional view of the battery pack shown in FIG. 7 taken along line VIII-VIII. It is a vertical cross-sectional view which shows the battery holder of the battery pack concerning the other Example of this invention. It is a vertical cross-sectional view which shows the battery holder of the battery pack concerning the other Example of this invention. It is a vertical cross-sectional view which shows the battery holder of the battery pack concerning the other Example of this invention. It is a vertical cross-sectional view which shows the battery holder of the battery pack concerning the other Example of this invention.
  • each element constituting the present invention may be configured such that a plurality of elements are configured by the same member and the plurality of elements are shared by one member. It can also be realized by sharing.
  • the battery pack of the present invention is mainly used as a power source for power.
  • This battery pack is used as a power source for an electric device driven by a motor such as an electric tool, an electric assist bicycle, an electric motorcycle, an electric wheelchair, an electric tricycle, and an electric cart.
  • a motor such as an electric tool, an electric assist bicycle, an electric motorcycle, an electric wheelchair, an electric tricycle, and an electric cart.
  • the present invention does not specify the use of the battery pack, and various electric devices used indoors and outdoors such as electric devices other than electric devices such as cleaners, wireless devices, lighting devices, digital cameras, and video cameras. It can be used as a power source for equipment.
  • FIG. 1 is a perspective view of a battery pack
  • FIG. 2 is a transverse sectional view in which a cylindrical battery is accommodated in the battery holder
  • FIG. 3 is a horizontal sectional view of the battery holder in FIG.
  • the thickness of the battery holder 2 is exaggerated in order to make the shape and configuration easy to understand. That is, in an actual battery pack, the ratio of the thickness of the battery holder to the radius of the cylindrical battery is smaller than the ratio shown in these drawings.
  • the battery pack shown in FIGS. 1 to 3 includes a plurality of cylindrical batteries 1 and a battery holder 2 that holds the plurality of cylindrical batteries 1 in a fixed position in parallel with each other. Further, the battery pack shown in FIG. 1 stores a plurality of cylindrical batteries 1 held by a battery holder 2 in an outer case 10.
  • cylindrical battery 1 In the cylindrical battery 1, an electrode body is accommodated in a cylindrical and bottomed outer can 11, and an electrolyte is filled to close an opening of the outer can 11 with a sealing plate 12.
  • the cylindrical battery 1 uses positive and negative electrode terminals for the bottom surface of the outer can 11 that is both end surfaces and the convex electrode provided at the center of the sealing plate 12.
  • the cylindrical battery 1 is a lithium ion secondary battery that can be charged and discharged.
  • the cylindrical battery is not limited to a lithium ion secondary battery, and may be a battery that can be charged and discharged, such as a nickel metal hydride battery or a nickel cadmium battery.
  • the battery holder 2 is formed into a predetermined shape by a resin such as a thermoplastic resin which is an insulating material.
  • the battery holder 2 can be preferably made of a resin excellent in flame retardancy.
  • a resin for example, PC (polycarbonate) or PP (polypropylene) can be used.
  • the battery holder 2 has a structure in which a plurality of cylindrical batteries 1 are arranged in a parallel posture as shown in FIGS.
  • the battery holder 2 includes a battery housing part 3 having a plurality of insertion parts 4 for housing the cylindrical battery 1.
  • the insertion portion 4 shown in the drawing has an insertion hole 8 through which the cylindrical battery 1 is inserted inside and is opened through both surfaces of the battery storage portion 3.
  • the insertion hole 8 has an inner shape along the outer peripheral surface of the cylindrical battery 1.
  • the battery holder 2 shown in FIGS. 1 to 3 has a shape in which two insertion portions 4 are arranged side by side in a parallel posture so that two cylindrical batteries 1 can be accommodated.
  • the battery holder 2 shown in the drawing has a cylindrical shape in the insertion portion 4, and is formed in a shape having a shape of approximately 8 in cross-sectional view by connecting two cylinders.
  • Each insertion portion 4 is formed by an outer peripheral wall 9 constituting an outer peripheral surface of the battery holder 2 and a partition wall 5 disposed between the adjacent cylindrical batteries 1. That is, in this battery holder 2, the outer peripheral wall 9 and the partition wall 5 are integrally formed to form the insertion portion 4, and the partition wall 5 is disposed between two cylindrical batteries 1 disposed adjacent to each other. Yes.
  • the outer peripheral wall 9 and the partition wall 5 are formed to have substantially the same thickness.
  • the battery holder 2 shown in FIG. 2 has a valley 14 formed between adjacent insertion portions 4, and the valley 14 is provided so as to cut into the partition wall 5.
  • This structure saves the resin in the valleys, thereby reducing the amount of resin used and reducing the manufacturing cost.
  • heat conduction in this portion can be suppressed by allowing the valley 14 to enter between the adjacent cylindrical batteries 1.
  • the battery holder can be formed in such a shape that the valley formed between the adjacent insertion portions is shallow so that the valley does not enter between the adjacent cylindrical batteries.
  • the battery holder can also make the outer peripheral surface which opposes between insertion parts into substantially planar shape, without forming a valley between adjacent insertion parts. In this case, a through-hole can be provided between adjacent insertion portions to suppress heat conduction in this portion.
  • the battery holder 2 shown in FIGS. 1 to 3 has a longitudinal groove 6 extending in the longitudinal direction of the cylindrical battery 1 on the inner surface of the insertion portion 4. As shown in FIGS. 2 and 3, the battery holder 2 forms an air layer 7 between the longitudinal groove 6 formed on the inner surface of the insertion portion 4 and the outer peripheral surface of the cylindrical battery 1.
  • the battery holder 2 shown in FIGS. 1 and 2 is provided with four longitudinal grooves 6 at equal intervals in each insertion portion 4. As shown in FIG. 2, each vertical groove 6 is formed along an arc of the outer peripheral surface of the cylindrical battery 1, and the bottom surface of the vertical groove 6 is a curved surface along the outer peripheral surface of the cylindrical battery 1. .
  • the battery holder 2 is located between the opposing surfaces of the cylindrical batteries 1 adjacent to each other, and at least one air layer 7 is disposed.
  • the facing surfaces of the cylindrical batteries 1 adjacent to each other means between two common tangents parallel to the center line connecting the centers of the two cylindrical batteries 1 adjacent to each other in a cross-sectional view. It is an opposing curved surface, and means a semi-cylindrical curved surface.
  • an air layer 7 formed along the surface of each cylindrical battery 1 is disposed between the opposed surfaces of adjacent cylindrical batteries 1.
  • the battery holder 2 shown in the drawing is arranged in a state where the opposed air layers 7 are displaced along the outer periphery of the cylindrical battery 1, and a wide area between the opposed cylindrical batteries 1 is arranged in the two air layers 7.
  • the structure is covered with
  • the two air layers 7 facing each other are arranged in a state of overlapping each other on a line connecting the centers of the adjacent cylindrical batteries 1. This avoids heat conduction at the shortest distance between the adjacent cylindrical batteries 1 so that the heat conduction path is non-linear as shown by the arrow in FIG.
  • the partition walls 5 arranged between the cylindrical batteries 1 adjacent to each other serve as a heat conduction path when any one of the cylindrical batteries 1 is overheated and undergoes thermal runaway.
  • the arrows in FIG. 2 indicate the heat conduction paths when the left cylindrical battery 1 is overheated.
  • heat conduction is performed so as to sew between the opposing air layers 7, thereby making the heat conduction direction non-linear and increasing the heat conduction distance. be able to.
  • the heat conduction direction can be made non-linear by increasing the heat conduction distance by conducting heat conduction so as to avoid the facing air layer 7. Therefore, as described above, the structure in which the opposing air layers 7 are displaced along the outer periphery of the cylindrical battery 1 and overlaps each other on the line connecting the centers of the adjacent cylindrical batteries 1 is linear heat. By avoiding conduction, heat conduction between the adjacent cylindrical batteries 1 can be effectively suppressed.
  • each insertion portion 4 four rows of air layers 7 formed in each insertion portion 4 are arranged in a point-symmetric manner with the midpoint of a line segment connecting the centers of adjacent cylindrical batteries 1 as the center of symmetry. Yes. Thereby, the two air layers 7 arrange
  • the opening width of the longitudinal groove 6 is set to about 1/8 of the outer periphery of the cylindrical battery 1.
  • four vertical grooves 6 are provided on the inner surface of the insertion portion 4, so that the region of the air layer 7 formed along the outer periphery of the cylindrical battery 1 can be reduced to about the outer peripheral surface of the cylindrical battery 1. 1/2.
  • the structure in which the ratio of the air layer 7 formed on the inner surface of the insertion portion 4 is increased suppresses the heat conduction between the adjacent cylindrical batteries 1, and the heat conduction of the cylindrical battery 1 during heat generation is suppressed. It can be effectively prevented.
  • the width of the air layer 7 formed along the outer periphery of the cylindrical battery 1, that is, the opening width of the longitudinal groove 6, can be made smaller or larger than 1/8 of the outer periphery of the cylindrical battery 1. it can.
  • the opening width of the air layer 7, that is, the opening width of the longitudinal groove 6, is disposed so as to face the number of the air layers 7 formed on the inner surface of the insertion portion 4 or between the adjacent cylindrical batteries 1.
  • it can be changed to 1/20 to 1/3, preferably 1/12 to 1/4 of the outer circumference of the cylindrical battery 1.
  • the opening width of each air layer 2 is set to 1/20 to 1/6 of the outer periphery of the cylindrical battery 1. be able to.
  • the opening width of the air layer 2 is preferably 1/8 to 1/3 of the outer periphery of the cylindrical battery 1, preferably Can be from 1/6 to 1/4.
  • the battery holder 2 is configured so that the thickness of the partition wall 5 and the depth of the vertical groove 6 disposed between the opposing surfaces of the adjacent cylindrical batteries 1 are the same as the number, arrangement, and interval of the vertical grooves 6 (air layer 7). Further, it is determined so as to be an optimum value in consideration of the type and capacity of the cylindrical battery 1 to be used and the material of the resin to be used. For example, a lithium ion secondary battery having a capacity of 4 Ah is used as the cylindrical battery 1, and the battery holder 2 is formed of polycarbonate, and is disposed between adjacent cylindrical batteries 1 as shown in FIG.
  • the entire partition wall 5 has a thickness of 2 mm, By setting the depth of the groove 6 to 0.5 mm, heat conduction can be suppressed in an ideal state.
  • the battery holder may have a partition wall thickness of 0.5 to 3.5 mm and a vertical groove depth of 0.1 to 1.3 mm.
  • the battery holder 2 shown in FIGS. 1 and 3 has four longitudinal grooves 6 extending to both ends of the insertion portion 4 and opened.
  • This structure can suppress heat conduction throughout the cylindrical battery 1.
  • the longitudinal grooves 6 can be partially provided in the longitudinal direction of the insertion portion 4, as will be described later in detail.
  • the vertical groove can be divided into a plurality of pieces.
  • the total length of the longitudinal grooves formed in the insertion portion 4 of the battery holder 2 in the longitudinal direction can be 30% or more, preferably 50% or more of the total length of the cylindrical battery 1.
  • two cylindrical batteries 1 are inserted in the opposite directions into the two insertion portions 4 which are the battery storage portions 3.
  • Two cylindrical batteries 1 inserted in opposite directions are connected in series via a lead plate 15.
  • output lead plates 15A are connected to both ends of the two cylindrical batteries 1 connected in series.
  • the battery holder 2 to which the cylindrical battery 1 stored in the battery storage unit 3 is connected by the lead plate 15 is stored in the outer case 10 to form a battery pack.
  • An exterior case 10 shown in FIG. 1 houses a battery holder 2 in which a plurality of cylindrical batteries 1 are arranged at fixed positions.
  • the exterior case 10 shown in the drawing is divided into a main body case 10A and a lid case 10B, and a storage portion for storing the battery holder 2 is formed inside.
  • a main body case 10 ⁇ / b> A shown in FIG. 1 has a box shape having a depth that can accommodate almost the entire battery holder 2.
  • the outer case 10 is connected by ultrasonic welding or bonding the end surfaces of the peripheral walls provided in the main body case 10A and the lid case 10B.
  • the main body case and the lid case can be connected by screwing into a boss provided in the other case with a set screw penetrating the one case.
  • the exterior case can store a circuit board in addition to the battery holder 2.
  • An electronic component such as a protection circuit can be mounted on the circuit board.
  • the protection circuit can include a detection circuit that detects the voltage, remaining capacity, temperature, and the like of each cylindrical battery, and a switching element that is switched on and off by battery data detected by the detection circuit.
  • the battery pack which accommodates a circuit board can also fix the output connector connected to the circuit board to an exterior case.
  • the output connector has an output terminal and a signal terminal, is charged / discharged through the output terminal, and can communicate with a device set through the signal terminal.
  • the battery pack may have a structure in which connection terminals made up of output terminals and signal terminals are fixed to a circuit board without providing an output connector, and these connection terminals are exposed from the bottom case to be externally connected. it can.
  • the battery holder 22 shown in FIGS. 4 to 6 includes a battery storage portion 23 having a shape in which three insertion portions 4 are arranged in a horizontal row in parallel postures so as to store three cylindrical batteries 1. .
  • the battery holder 22 shown in the figure has a cylindrical shape in the insertion portion 4 and is formed into a shape formed by connecting three cylinders.
  • the outer peripheral wall 9 and the partition wall 25 are integrally formed to form the insertion portion 4, and the partition wall 25 is disposed between the three cylindrical batteries 1 disposed adjacent to each other.
  • the battery holder 22 shown in FIG. 4 to FIG. 6 has an air layer 27 only on the outer peripheral surface of one of the opposed cylindrical batteries 1 between the opposed surfaces of the adjacent cylindrical batteries 1. Is provided.
  • the battery holder 22 shown in the figure is an inner surface of the insertion portion 4, and a vertical groove 26 is provided only at an end portion on the side where the sealing plate 12 of the cylindrical battery 1 is disposed to form an air layer 27.
  • the battery holder 22 is disposed on both sides of the end portion on the sealing plate 12 side of the cylindrical battery 1 housed in the intermediate insertion portion 4 among the three insertion portions 4.
  • a vertical groove 26 is provided on the inner surface of the partition wall 25 to form an air layer 27.
  • the cylindrical battery 1 accommodated in the insertion portions 4 on both sides of the three insertion portions 4 is used.
  • a vertical groove 26 is provided on the inner surface of the partition wall 5 facing the end of the sealing plate 12 side to form an air layer 27.
  • the battery holder 22 shown in FIGS. 5 and 6 has an opening width of the longitudinal groove 26 (air layer 27) set to about 1/6 of the outer periphery of the cylindrical battery 1.
  • the battery holder 22 forms the air layer 27 by providing the vertical groove 26 only in the partition wall 25 facing the one cylindrical battery 1 among the cylindrical batteries 1 adjacent to each other. Therefore, there is a feature that heat conduction can be suppressed between the adjacent cylindrical batteries 1 while simplifying the structure.
  • This battery holder 22 also avoids rapid heat conduction by making the heat conduction path non-linear when any one of the cylindrical batteries 1 is overheated and undergoes thermal runaway.
  • the opening width of the longitudinal groove 26 is set to about 1/6 of the outer peripheral surface of the end of the cylindrical battery 1, and a wide region between the opposed cylindrical batteries 1 is formed as a single air layer 7.
  • the structure is covered with
  • the battery holder 22 shown in the figure has a structure in which an air layer 27 is provided only at an end portion facing the sealing plate 12 of the cylindrical battery 1.
  • the battery holder 22 has a structure having an air layer 27 up to an intermediate portion of the insertion portion 4 with the entire length of the longitudinal groove 26 formed in the insertion portion 4 being about 1 ⁇ 2 of the entire insertion portion 4. It is said.
  • the battery holder 22 includes a partition wall 25 arranged opposite to both sides of the lower end portion in the drawing with respect to the insertion portion 4 arranged in the middle of the three insertion portions 4.
  • a longitudinal groove 26 is provided on the inner surface. The vertical groove 26 is formed to extend from the lower opening end to the middle of the insertion portion 4 in FIG.
  • the insertion portions 4 arranged on both sides of the three insertion portions 4 are vertically grooved 26 on the inner surface of the partition wall 25 arranged opposite to the center side of the upper end portion in the drawing. Is provided.
  • the vertical groove 26 is formed to extend from the upper opening end to the middle of the insertion portion 4 in FIG.
  • the structure in which the air layer 27 is provided only on one of the opposed cylindrical batteries 1 has a feature that the mold for manufacturing the battery holder 22 can be simplified and manufactured at low cost.
  • the battery holder 22 shown in the figure has a structure in which the air layer 27 is provided only in a region facing the end of the cylindrical battery 1 housed in the insertion portion 4 on the sealing plate 12 side.
  • the cylindrical battery 1 is provided with an exhaust port in a sealing plate 12 provided with a convex electrode, and a safety valve is provided at the exhaust port. In the cylindrical battery 1, when the internal pressure of the battery rises due to overcharge, internal short circuit or the like, the safety valve is opened and the internal gas is exhausted from the exhaust port to ensure safety.
  • the battery holder 22 can more effectively suppress the adverse effects caused by the thermal runaway by providing the air layer 27 on the inner surface facing the end on the sealing plate 12 side.
  • the battery holder 32 shown in FIG. 7 and FIG. 8 is constituted by a pair of holder units 32A divided in the middle.
  • the battery holder 32 shown in FIG. 7 and FIG. 8 has opening windows 34 a that expose electrode terminals at both ends of the cylindrical battery 1 at both ends of the battery storage portion 33 through which the cylindrical battery 1 is inserted and held.
  • the lead plate 15 and the output lead plate 15A can be connected to the electrode terminals of the cylindrical battery 1 exposed from the opening window 34a.
  • the battery holder 32 has recesses 31 in which the lead plate 15 and the output lead plate 15A are disposed at both end faces.
  • the positioning convex part 34b which positions the end surface of the cylindrical battery 1 protrudes inward in both end surfaces.
  • the length of the insertion portion 34 formed in each holder unit 32 ⁇ / b> A is approximately half of the entire length of the cylindrical battery 1 so that the entire cylindrical battery 1 can be covered with the insertion portion 34. It is a length.
  • the pair of holder units 32 ⁇ / b> A are attached from both ends of the cylindrical battery 1 and are connected to each other, and cover the entire cylindrical battery 1 with the pair of insertion portions 34. In this way, the structure in which the entire cylindrical battery 1 is covered with the insertion portion 34 can effectively prevent similar burning between adjacent cylindrical batteries 1.
  • the battery holder 32 shown in the figure is provided with a row of vertical grooves 36 on the inner surface of the insertion portion 34 forming the holder unit 32A, and an air layer 37 is formed between the outer peripheral surfaces of the cylindrical batteries 1. Yes.
  • air layers 37 are provided on both surfaces of a partition wall 35 formed between adjacent cylindrical batteries 1.
  • the battery holder 32 is configured such that an air layer 37 formed along the surface of each cylindrical battery 1 is disposed between the opposed surfaces of adjacent cylindrical batteries 1 so as to face each other. Yes.
  • the illustrated battery holder 32 is arranged in a state where the opposed air layers 37 are displaced along the outer periphery of the cylindrical battery 1, and a wide area between the opposed cylindrical batteries 1 is arranged in two air layers 7.
  • the structure is covered with Further, the two air layers 37 facing each other are arranged in a state of overlapping each other on a line connecting the centers of the adjacent cylindrical batteries 1. This avoids heat conduction at the shortest distance between adjacent cylindrical batteries 1 so that the heat conduction path is non-linear.
  • the battery holder 32 shown in FIG. 7 extends the two vertical grooves 36 from the intermediate opening of the holder unit 32 ⁇ / b> A to both ends of the battery storage portion 33 without extending to both ends of the insertion portion 34. .
  • the inner surface of the insertion portion 34 is shaped along the outer peripheral surface of the end portion of the cylindrical battery 1. This structure can suppress heat conduction over almost the entire central portion of the cylindrical battery 1.
  • the inner surface of the insertion portion 34 approach the outer peripheral surface of the cylindrical battery 1, it is possible to effectively prevent similar firing between adjacent cylindrical batteries 1.
  • the battery holder 32 described above is in a state in which the end of the cylindrical battery 1 is inserted and held in the insertion portion 34 of each holder unit 32A, that is, both end portions of the cylindrical battery 1 in the insertion hole 8 in the opposite insertion portion 34.
  • the pair of holder units 32A are connected in a state where the cylindrical battery 1 is inserted to hold the cylindrical battery 1 in place.
  • the pair of holder units 32 ⁇ / b> A are connected and fixed by screwing a set screw 17 in a state where the connecting portions 16 provided in the valleys 14 of the insertion portion 34 are in contact with each other.
  • the pair of holder units can be coupled by a locking structure, or can be coupled by bonding, or can be coupled by combining these.
  • the battery holder of the above embodiment has a structure in which two to three cylindrical batteries 1 are stored side by side.
  • the battery pack includes a plurality of cylindrical batteries 1 arranged in multiple stages and multiple rows. It can also be set as the structure arrange
  • a battery holder 42 shown in FIG. 9 includes a battery storage portion 43 having a shape in which a plurality of insertion portions 4 are arranged vertically and horizontally, and ten cylindrical batteries 1 are arranged in two rows and five rows in the battery storage portion 43. is doing.
  • the battery holder 42 shown in FIG. 9 is provided with two rows of vertical grooves 6 in the insertion portions 4 arranged at the left and right ends in the figure, and is formed on the inner surface of the partition wall 5 arranged between the opposed cylindrical batteries 1. An air layer 7 is formed. Further, in the drawing, the insertion portion 4 disposed in the middle except for the left and right ends is provided with three rows of vertical grooves 6, and an air layer 7 is provided on the inner surface of the partition wall 5 disposed between the opposed cylindrical batteries 1. Forming.
  • the battery holder 42 shown in the figure is similar to the battery holder shown in FIG. 2 described above, with the opening width of each longitudinal groove 6 and each air layer 7 being about 1/8 of the outer periphery of the cylindrical battery 1. Longitudinal grooves and air layers are arranged at a pitch of 90 degrees.
  • a battery holder 42 shown in FIG. 9 has air layers 7 formed along the surface of each cylindrical battery 1 facing each other on both surfaces of a partition wall 5 arranged between adjacent cylindrical batteries 1. ing.
  • the battery holder 42 in the figure is arranged in a state where the opposed air layers 7 are displaced along the outer periphery of the cylindrical battery 1, and a wide area between the opposed cylindrical batteries 1 is arranged in the two air layers 7.
  • the structure is covered with Furthermore, the two air layers 7 facing each other are arranged in a state of overlapping each other on a line connecting the centers of the adjacent cylindrical batteries 1. This avoids heat conduction at the shortest distance between adjacent cylindrical batteries 1 so that the heat conduction path is non-linear.
  • the battery holder 42 shown in the figure forms a gap 18 between the four insertion portions 4, and the cylindrical holder 1 disposed between the four insertion portions 4 at diagonal positions. Heat conduction is suppressed by the gap 18.
  • the gap 18 thereby, not only the heat conduction of the cylindrical batteries 1 that are adjacent in the vertical and horizontal directions but also the feature that can effectively suppress the heat conduction between the cylindrical batteries 1 that are adjacent in the oblique direction can be realized. This is particularly effective in a structure in which a large number of cylindrical batteries 1 are arranged vertically and horizontally and arranged in a matrix as shown in FIG.
  • the battery holder 52 may have a structure in which a plurality of cylindrical batteries 1 are inserted into the insertion portion 54 and arranged in a stacked state.
  • the battery holder 52 includes a battery storage portion 53 formed by connecting a plurality of insertion portions 54 so that a plurality of cylindrical batteries 1 can be stored in a stacked state, and the cylindrical battery 1 is provided in the battery storage portion 53.
  • the cylindrical battery 1 arranged in each stage is arranged in the valley of the cylindrical battery 1 in the opposite stage.
  • the battery holder 52 shown in FIG. 10 has 15 cylindrical batteries 1 arranged in three rows and five rows. Since this battery holder 52 can arrange many cylindrical batteries 1 close to each other, the outer shape of the battery holder 52 can be reduced to accommodate many cylindrical batteries 1.
  • the battery holder 52 shown in FIG. 10 is provided with the air layer 57 only on the outer peripheral surface of one of the opposed cylindrical batteries 1 between the opposed surfaces of the adjacent cylindrical batteries 1.
  • one to three vertical grooves 56 are provided in each insertion portion 54 and an air layer 57 is provided between the outer peripheral surface of the cylindrical battery 1.
  • the longitudinal groove 56 and the air layer 57 formed in the insertion portion 54 disposed in the middle stage are provided at equal intervals on three sides of the insertion portion 54.
  • the insertion portion 54 shown in the figure is provided with three longitudinal grooves 56 at equal intervals of 120 degrees.
  • the insertion portions 54 located at both ends of the upper and lower stages, that is, at the four corners, are formed with a single vertical groove 56 and an air layer 57, and the cylindrical battery 1 adjacent to the vertical groove 56 and the air layer 57 is formed. Is provided on the inner surface of the partition wall 55 disposed between the two. Furthermore, the longitudinal groove 56 and the air layer 57 formed in the insertion portion 54 provided in the intermediate portion excluding both ends of the upper stage and the lower stage are formed on the inner surface of the partition wall 55 disposed between the adjacent cylindrical batteries 1. Is provided. *
  • the battery holder 52 shown in FIG. 10 has an opening width of the longitudinal groove 56 (air layer 57) of about 1/6 of the outer periphery of the cylindrical battery 1.
  • the vertical groove 56 is provided only in the partition wall 55 facing the one cylindrical battery 1 to form an air layer 57.
  • an air layer 57 is disposed between the opposing surfaces of the cylindrical battery 1 so that the heat conduction path between the adjacent cylindrical batteries 1 is non-linear. Therefore, even in the state where any one of the cylindrical batteries 1 is overheated to cause thermal runaway, it is possible to effectively suppress the adverse effects caused by thermal runaway.
  • the insertion portion 4 is an insertion hole along the outer peripheral surface of the cylindrical battery 1.
  • the structure for holding the cylindrical battery 1 is not specified as an insertion hole, but can be a holding groove.
  • a battery holder 62 shown in FIG. 11 includes a battery housing 63 formed by forming a peripheral wall 69A around the bottom plate 69 in a direction perpendicular to the bottom plate 69 and forming a box shape opening upward.
  • the battery storage part 63 includes a plurality of insertion parts 64 that guide the cylindrical battery 1 and hold it in place on the same horizontal plane.
  • the 11 includes a holding groove 68 along the outer peripheral surface of the cylindrical battery 1 inside the insertion part 64, and the cylindrical battery 1 is stored in the holding groove 68.
  • the bottom plate 69 is formed into a corrugated shape having a holding groove 68 having a shape along the surface of the cylindrical battery 1. The bottom plate 69 is in close contact with the lower half of the cylindrical battery 1 to place the cylindrical battery 1 in a thermally coupled state.
  • the holding groove 68 of the bottom plate 69 is formed in a shape along the surface of a region about 1 ⁇ 2 of the outer peripheral surface of the cylindrical battery 1.
  • the corrugated bottom plate 69 includes a partition wall 65 disposed between the holding grooves 68 and between the adjacent cylindrical batteries 1.
  • the partition wall 65 is formed to have a protruding height that is lower than the diameter of the cylindrical battery 1 disposed in the holding groove 68 and ideally the same height as the upper end surface of the cylindrical battery 1 as shown in FIG. Is done.
  • the height of the partition wall protruding from the bottom plate can be made lower than the upper end surface of the cylindrical battery.
  • the height of the peripheral wall 69A is substantially equal to the height of the cylindrical battery 1, in other words, the upper end of the peripheral wall 69A is arranged in the same plane as the upper end of the cylindrical battery 1, and the cylinder is formed inside the peripheral wall 69A.
  • a battery 1 is disposed.
  • a battery holder can also make a surrounding wall lower than the upper surface of a cylindrical battery.
  • the battery holder 62 is closed at the upper opening by the lid plate 70 in a state where the cylindrical battery 1 is housed in the plurality of holding grooves 68.
  • the lid plate 70 shown in the figure is fixed to the upper end surfaces of the partition wall 65 and the peripheral wall 69A by adhesion or welding.
  • the battery holder 62 shown in FIG. 11 is provided with a longitudinal groove 66 extending in the longitudinal direction of the cylindrical battery 1 on the inner surface of the insertion portion 64, and between the longitudinal groove 66 and the outer peripheral surface of the cylindrical battery 1.
  • An air layer 67 is formed.
  • a battery holder 62 shown in FIG. 11 is provided with longitudinal grooves 66 on both surfaces of a partition wall 65 disposed between adjacent cylindrical batteries 1, and an air layer is formed between the cylindrical battery 1 on both sides of the partition wall 65. 67 is formed.
  • an air layer 67 formed along the surface of each cylindrical battery 1 is disposed so as to face each other between the facing surfaces of the adjacent cylindrical batteries 1.
  • the first vertical groove 66A formed on the left side of the partition wall 65 has a shape along the inner surface of the holding groove 68.
  • the first air layer 67A having a shape along the arc of the outer peripheral surface of the cylindrical battery 1 is formed.
  • the second vertical groove 66B formed on the right side of the partition wall 65 in FIG. 11 has an arc shape along the inner surface of the holding groove 68 at the lower portion and a planar shape along the inner surface of the partition wall 65 at the upper portion.
  • a second air layer 67B is formed along.
  • the battery holder 62 in the figure is arranged in a state where the first air layer 67A and the second air layer 67B facing each other are displaced in the vertical direction, and a wide area between the facing cylindrical batteries 1 is 2 in size.
  • the structure is covered with two air layers 67. Furthermore, the two air layers 67 facing each other are arranged so as to overlap each other. This avoids heat conduction at the shortest distance between adjacent cylindrical batteries 1 so that the heat conduction path is non-linear.
  • the battery pack of the present invention has a structure including a plurality of cylindrical batteries, and can be used safely by preventing thermal runaway of the cylindrical batteries.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

La présente invention permet d'empêcher efficacement le déclenchement d'un emballement thermique dans une batterie cylindrique, tout en supprimant efficacement les effets négatifs d'une rupture dans une cartouche externe. Ce bloc de batterie comprend une pluralité batteries cylindriques (1) et un support de batterie (2) dans lequel la pluralité de batteries cylindriques (1) est positionnée selon un agencement parallèle. Le support de batterie (2) comporte une section de stockage de batterie (3) qui comprend une pluralité de sections d'insertion (4) dans laquelle la pluralité de batteries cylindriques (1) est stockée. Dans la section de stockage de batterie (3), des cloisons de séparation (5) qui forment les sections d'insertion (4) sont positionnées entre des batteries cylindriques (1) voisines, des rainures longitudinales (6) qui s'étendent dans la direction longitudinale des batteries cylindriques (1) sont formées sur les surfaces internes des sections d'insertion (4), des couches d'air (7) sont formées entre les rainures longitudinales (6) et les surfaces circonférentielles extérieures des batteries cylindriques (1), et une couche d'air (7) est positionnée entre des surfaces opposées de batteries cylindriques voisines (1).
PCT/JP2016/005174 2016-01-28 2016-12-19 Bloc de batterie WO2017130260A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016014857A JP2019053816A (ja) 2016-01-28 2016-01-28 電池パック
JP2016-014857 2016-01-28

Publications (1)

Publication Number Publication Date
WO2017130260A1 true WO2017130260A1 (fr) 2017-08-03

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WO (1) WO2017130260A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019091628A (ja) * 2017-11-15 2019-06-13 スカッドエレクトロニクスジャパン株式会社 リチウムイオン電池モジュール
JP2019134044A (ja) * 2018-01-30 2019-08-08 トヨタ自動車株式会社 コンデンサモジュール
WO2020130029A1 (fr) * 2018-12-20 2020-06-25 Ｎｓウエスト株式会社 Casque et système de charge
JP2020100909A (ja) * 2018-12-20 2020-07-02 Ｎｓウエスト株式会社 ヘルメット
CN112020783A (zh) * 2018-04-25 2020-12-01 三洋电机株式会社 电池组
JPWO2019189280A1 (ja) * 2018-03-27 2021-04-01 パナソニックＩｐマネジメント株式会社 蓄電モジュール
WO2023176298A1 (fr) * 2022-03-18 2023-09-21 パナソニックエナジー株式会社 Bloc-batterie
EP4191774A4 (fr) * 2020-07-31 2024-05-01 Panasonic Ip Man Co Ltd Bloc-batterie et boîtier de batterie

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220001225A (ko) * 2020-06-29 2022-01-05 주식회사 엘지에너지솔루션 연쇄발화를 방지하는 전지 모듈 제조방법
JP7089076B1 (ja) * 2021-02-01 2022-06-21 イビデン株式会社 組電池及び電池パック
WO2023176227A1 (fr) * 2022-03-18 2023-09-21 パナソニックエナジー株式会社 Bloc-batterie et son procédé de fabrication

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003109674A (ja) * 2001-09-28 2003-04-11 Sanyo Electric Co Ltd 電源装置
JP2005285454A (ja) * 2004-03-29 2005-10-13 Sanyo Electric Co Ltd 電源装置
JP2008277243A (ja) * 2007-04-27 2008-11-13 Samsung Sdi Co Ltd 電池モジュール
JP2008311130A (ja) * 2007-06-15 2008-12-25 Hitachi Vehicle Energy Ltd 電源装置及びその冷却方法
WO2014132649A1 (fr) * 2013-02-27 2014-09-04 三洋電機株式会社 Module de batteries

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003109674A (ja) * 2001-09-28 2003-04-11 Sanyo Electric Co Ltd 電源装置
JP2005285454A (ja) * 2004-03-29 2005-10-13 Sanyo Electric Co Ltd 電源装置
JP2008277243A (ja) * 2007-04-27 2008-11-13 Samsung Sdi Co Ltd 電池モジュール
JP2008311130A (ja) * 2007-06-15 2008-12-25 Hitachi Vehicle Energy Ltd 電源装置及びその冷却方法
WO2014132649A1 (fr) * 2013-02-27 2014-09-04 三洋電機株式会社 Module de batteries

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7010671B2 (ja) 2017-11-15 2022-01-26 スカッドエレクトロニクスジャパン株式会社 リチウムイオン電池モジュール
JP2019091628A (ja) * 2017-11-15 2019-06-13 スカッドエレクトロニクスジャパン株式会社 リチウムイオン電池モジュール
JP2019134044A (ja) * 2018-01-30 2019-08-08 トヨタ自動車株式会社 コンデンサモジュール
JP7325014B2 (ja) 2018-03-27 2023-08-14 パナソニックＩｐマネジメント株式会社 蓄電モジュール
JPWO2019189280A1 (ja) * 2018-03-27 2021-04-01 パナソニックＩｐマネジメント株式会社 蓄電モジュール
US11682810B2 (en) 2018-03-27 2023-06-20 Panasonic Intellectual Property Management Co., Ltd. Power storage module
CN112020783A (zh) * 2018-04-25 2020-12-01 三洋电机株式会社 电池组
CN112020783B (zh) * 2018-04-25 2023-01-03 三洋电机株式会社 电池组
JP2020100909A (ja) * 2018-12-20 2020-07-02 Ｎｓウエスト株式会社 ヘルメット
US20210307444A1 (en) * 2018-12-20 2021-10-07 Ns West Inc. Helmet and charging system
JP7251968B2 (ja) 2018-12-20 2023-04-04 Ｎｓウエスト株式会社 ヘルメット
CN113365523A (zh) * 2018-12-20 2021-09-07 Ns西日本株式会社 头盔和充电系统
WO2020130029A1 (fr) * 2018-12-20 2020-06-25 Ｎｓウエスト株式会社 Casque et système de charge
EP4191774A4 (fr) * 2020-07-31 2024-05-01 Panasonic Ip Man Co Ltd Bloc-batterie et boîtier de batterie
WO2023176298A1 (fr) * 2022-03-18 2023-09-21 パナソニックエナジー株式会社 Bloc-batterie

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