WO2022091926A1 - 電池収容トレイ - Google Patents

電池収容トレイ Download PDF

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Publication number
WO2022091926A1
WO2022091926A1 PCT/JP2021/038896 JP2021038896W WO2022091926A1 WO 2022091926 A1 WO2022091926 A1 WO 2022091926A1 JP 2021038896 W JP2021038896 W JP 2021038896W WO 2022091926 A1 WO2022091926 A1 WO 2022091926A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
accommodating
batteries
tray
permanent magnet
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/JP2021/038896
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
淳史 太田
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to CN202180069798.3A priority Critical patent/CN116325319A/zh
Priority to JP2022559067A priority patent/JP7780445B2/ja
Priority to US18/032,428 priority patent/US20230395914A1/en
Publication of WO2022091926A1 publication Critical patent/WO2022091926A1/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
    • H01M50/20—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
    • 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
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • 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
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/227—Organic material
    • 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
    • H01M50/256—Carrying devices, e.g. belts
    • 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
    • H01M50/383—Flame arresting or ignition-preventing means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
    • H01M50/543—Terminals
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/548—Terminals characterised by the disposition of the terminals on the cells on opposite sides of the cell
    • 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

  • This disclosure relates to a battery storage tray.
  • This battery storage tray includes a partition body having a plurality of partitioned storage portions and an outer frame body arranged so as to surround the periphery of the partition body so that a plurality of batteries can be stored at the same time. It has become.
  • batteries have been used as a power source for electric vehicles (EVs) and large power storage equipment, and research and development to increase their capacities are progressing.
  • EVs electric vehicles
  • high-capacity battery if the battery heats up abnormally and the internal pressure inside the battery becomes excessively high, a part of the sealing plate or the bottom of the battery breaks and the high temperature gas is generated. It has a structure that enhances safety by discharging (venting) the air to the outside.
  • the plurality of battery storage trays can be moved at the same time. , Efficiently transports a large number of batteries.
  • an object of the present disclosure is to accommodate a plurality of batteries in a state where a plurality of batteries are densely accommodated, and even if one battery abnormally generates heat in a stacked state, the influence of the abnormal heat generation is less likely to affect other batteries. To provide a tray.
  • the battery accommodating tray according to the present disclosure is in the thickness direction of the bottom plate so as to surround the bottom plate supporting the plurality of batteries and the mounting surface of the plurality of batteries on the upper surface from the outer edge portion of the upper surface of the bottom plate. It is provided with a side wall extending and defining a battery accommodating space for accommodating a plurality of batteries in combination with the bottom plate, and a plate-shaped permanent magnet fixed to at least a part of the bottom surface of the bottom plate.
  • the battery storage tray According to the battery storage tray according to the present disclosure, even if a certain battery abnormally generates heat in a state where a plurality of batteries are densely stored and stacked, the influence of the abnormal heat generation extends to other batteries. It can be difficult.
  • FIG. 3 is a schematic cross-sectional view taken along the line AA of FIG. 2 of a battery storage tray in which a cylindrical battery is stored in each storage portion.
  • (A) is a schematic diagram showing a state in which the battery accommodating trays of Example 1 are stacked in three stages
  • (b) is a schematic diagram showing a state in which the battery accommodating trays of Example 2 are stacked in three stages.
  • (c) is a schematic diagram which shows the state which the battery accommodating tray of a comparative example was stacked in three stages. It is a schematic diagram explaining the process leading to the burning in the test in which the battery accommodating trays stacked in three stages of the comparative example forcibly ignite the trigger battery. It is a schematic diagram explaining the process that the flame of the trigger battery was extinguished without leading to the burning in the test in which the battery accommodating trays stacked in three stages of the embodiment forcibly ignited the trigger battery.
  • the battery insertion side in the height direction may be expressed as the upper side and the upper side in the height direction
  • the battery receiving side in the height direction may be expressed as the lower side and the lower side in the height direction.
  • the X direction is the row direction of the accommodating portions 15 arranged in a matrix
  • the Y direction is the column direction of the accommodating portions 15 arranged in a matrix
  • the Z direction is the row direction of the battery accommodating tray 1.
  • the X, Y, and Z directions are orthogonal to each other.
  • the accommodating portion may have a shape suitable for accommodating a square battery, and the battery accommodating tray may accommodate a square battery.
  • the accommodating portion may have a shape capable of accommodating both a cylindrical battery and a square battery, and the battery accommodating tray is a battery of both a cylindrical battery and a square battery. May be accommodated.
  • the battery accommodating tray of the present disclosure does not have to have a plurality of partitioned accommodating portions, and may have a structure in which adjacent batteries can come into contact with each other. Further, among the components described below, the components not described in the independent claim indicating the highest level concept are arbitrary components and are not essential components.
  • FIG. 1 is a side view of the battery accommodating tray 1 according to the embodiment of the present disclosure
  • FIG. 2 is a view of the battery accommodating tray 1 when viewed from above in the thickness direction (corresponding to the Z direction) of the bottom plate 65. It is a partially enlarged plan view, and is an enlarged plan view explaining the structure of the accommodating part 15 of the cylindrical battery 10 (see FIG. 3) in a battery accommodating space 5.
  • the battery accommodating tray 1 has a substantially rectangular shape in a plan view when viewed from above in the Z direction, but the shape of the battery accommodating tray in a plan view is not limited to a rectangle and may be any shape. ..
  • the battery storage tray 1 is made of a resin material such as polyimide, polyphenylene ether, polyphenylene sulfide, or polycarbonate, but may be made of a metal material such as stainless steel.
  • the battery accommodating tray 1 includes a plate-shaped mounting portion 20 for supporting a cylindrical battery (hereinafter, simply referred to as a battery) 10 and a side wall 60.
  • the side wall 60 extends from the substantially rectangular outer edge portion of the upper surface 31 (see FIG. 2) of the mounting portion 20 to the entire circumference (may be substantially the entire circumference) of the mounting surface 32 (see FIG. 2) of the battery 10 on the upper surface 31. It extends in the Z direction so as to surround it.
  • the side wall 60 defines a battery accommodating space 5 for accommodating a plurality of batteries 10 together with the mounting portion 20.
  • the side wall 60 has a plurality of window portions 61 arranged at intervals in the circumferential direction thereof.
  • Each window portion 61 penetrates the side wall 60 in a direction orthogonal to the Z direction.
  • the window portion 61 is, for example, in a state of accommodating the battery 10 when the material cost of the battery accommodating tray 1 is reduced, the weight of the battery accommodating tray 1 is reduced, and the battery accommodating tray 1 is stacked to transport a large number of batteries 10. Is provided to confirm from the side.
  • the battery accommodating tray of the present disclosure does not have to have a window portion.
  • the battery accommodating space 5 has a plurality of accommodating portions 15 each accommodating the battery 10 and being arranged at intervals from each other.
  • the plurality of accommodating portions 15 are arranged in a matrix as described above, and each accommodating portion 15 has four battery support portions 16 arranged at intervals.
  • the four battery support portions 16 are protrusions protruding upward in the Z direction from the upper surface 31.
  • the battery support portion 16 supports the movement of the battery 10 in the X direction and the movement in the Y direction by supporting four locations located at substantially equal intervals in the circumferential direction on the side surface of the battery 10 housed in the storage portion 15. do.
  • the battery storage tray 1 has a through hole (cylindrical hole) 37 extending in the Z direction at the center of the bottom of each storage unit 15. The through hole 37 is provided for inserting a terminal for charging the battery 10 housed in the battery housing tray 1, and the battery 10 can be charged in a state of being housed in the battery housing tray 1. ing.
  • the structure of the accommodating portion is not limited to the structure described with reference to FIG. 2, and may be any structure as long as the movement of the battery can be restricted.
  • the battery accommodating tray may not have a plurality of partitioned accommodating portions, and may have a structure that allows adjacent batteries to come into contact with each other in the battery accommodating space. Further, the battery accommodating tray may not have a through hole in the mounting portion, and may have a structure in which the battery 10 accommodated in the battery accommodating tray 1 cannot be charged.
  • FIG. 3 is a schematic cross-sectional view taken along the line AA of FIG. 2 in the battery storage tray 1 in which the battery 10 is stored in each storage unit 15.
  • the battery accommodating tray 1 includes a main body 25, a plate-shaped permanent magnet 35, and an insulating resin 45.
  • the main body 25 has a side wall 60 (see FIG. 1) and a bottom plate 65, and is integrally formed by, for example, injection molding.
  • the mounting portion 20 includes a bottom plate 65 of the main body 25, a permanent magnet 35, and an insulating resin 45.
  • the shapes of the permanent magnet 35 and the insulating resin 45 in a plan view are substantially the same as the shapes of the bottom plate 65 in a plan view.
  • the upper surface of the permanent magnet 35 is fixed to the entire surface of the bottom surface 65a of the bottom plate 65 with a fixing means, for example, an adhesive, and the insulating resin 45 is provided so as to cover the entire surface of the bottom surface 35a of the permanent magnet 35.
  • the insulating resin 45 is preferably composed of a resin having excellent heat resistance such as PTFE (polytetrafluoroethylene).
  • the bottom plate 65, the permanent magnet 35, and the insulating resin 45 have through holes 65b, 35b, 45a having the same cross section as the cross section of the through hole 37.
  • the through hole 65b, the through hole 35b, and the through hole 45a are stacked in the Z direction in that order from above.
  • the through hole 65b, the through hole 35b, and the through hole 45a together form the through hole 37.
  • the permanent magnet 35 has an accommodating overlapping portion 35c that overlaps at least a part of the accommodating portion 15 when viewed from the Z direction with respect to each of the plurality of accommodating portions 15.
  • the inventor of the present application stacks the battery accommodating trays accommodating the largest batteries that can be accommodated in three stages in three stages, and intentionally ignites one of the batteries contained in the battery accommodating tray in the middle stage to vent.
  • the range affected by the battery is investigated with three different battery accommodating trays, specifically, the battery accommodating tray of Example 1, the battery accommodating tray of Example 2, and the battery accommodating tray of Comparative Example. Therefore, a burning test was conducted on each of these three battery accommodating trays.
  • Battery storage tray of Example 1 As the battery accommodating tray 1 of the first embodiment, the battery accommodating tray 1 described in detail with reference to FIGS. 1 to 3 was used, and the battery accommodating tray 1 was stacked in three stages as shown in FIG. 4 (a). The test was done with a thing.
  • Battery storage tray of Example 2 As the battery accommodating tray of Example 2, a battery accommodating tray 101 is used, which differs from the battery accommodating tray 1 of Example 1 only in that the permanent magnet 135 is not coated with the insulating resin, and is shown in FIG. 4 (b). As described above, the test was conducted using the battery storage trays 101 stacked in three stages.
  • a battery accommodating tray 201 is used, which differs from the battery accommodating tray 1 of the first embodiment only in that a permanent magnet and an insulating resin are not provided, and as shown in FIG. 4 (c). The test was conducted using the battery storage tray 201 stacked in three stages.
  • the batteries used in the burning test were prepared as follows.
  • Lithium nickelate (LiNi 0.88 Co 0.09 Al 0.03 O 2 ) containing cobalt and aluminum was used as the positive electrode active material. Then, 100 parts by mass of the positive electrode active material, 1 part by mass of acetylene black as a conductive agent, and 0.9 part by mass of polyvinylidene fluoride (PVDF) as a binder in the solvent of N-methylpyrrolidone (NMP). To prepare a positive electrode slurry. This positive electrode slurry was uniformly applied to both surfaces of an aluminum foil having a thickness of 15 ⁇ m. Next, the coating film was heat-treated at a temperature of 100 to 150 ° C.
  • the compressed electrode plate was brought into contact with a roll heated to 200 ° C. for 5 seconds to perform heat treatment, and cut into a thickness of 0.144 mm, a width of 62.6 mm, and a length of 861 mm to prepare a positive electrode plate.
  • the negative electrode active material graphite powder was mixed in an amount of 95 parts by mass and Si oxide was mixed in an amount of 5 parts by mass. Then, 100 parts by mass of the negative electrode active material, 1 part by mass of CMC as a thickener, and 1 part by mass of styrene-butadiene rubber as a binder were dispersed in water to prepare a negative electrode slurry.
  • This negative electrode slurry was applied to both sides of a negative electrode current collector of a copper foil having a thickness of 8 ⁇ m to form a negative electrode coated portion. Then, after the coating film was dried, it was compressed by a roll press machine so as to have a thickness of 0.160 mm. Further, the compressed electrode plate was cut into a width of 64.2 mm and a length of 959 mm to prepare a negative electrode plate.
  • a non-aqueous electrolyte solution was applied to the inside of the battery case, and the open end of the battery case was crimped to the sealing plate via a gasket to prepare a non-aqueous electrolyte secondary battery.
  • the capacity of the battery was 4200 mAh.
  • the above batteries were stored in each battery storage tray, and each battery storage tray was stacked in three stages.
  • a NiCr wire was wound around one of the batteries housed in the middle battery storage tray in the three-stage structure, a large current was applied to the NiCr wire, and the battery was forcibly ignited by resistance heat generation.
  • the battery forcibly ignited is referred to as a trigger battery.
  • the trigger battery is a battery of reference numeral 10T shown by diagonal lines in FIGS. 4A to 4C. In the test, after igniting the trigger battery 10T, follow-up observation was performed to confirm whether the flame of the trigger battery was extinguished or the batteries around the trigger battery were burnt.
  • the flame of the trigger battery 10T continues to hit the battery storage tray 101b in the middle stage, and further, the high temperature trigger battery 10T keeps in contact with the battery storage tray 101b in the middle stage, and as a result, as shown in FIG. 5 (b).
  • the battery storage tray 101b in the middle stage burned.
  • the battery storage tray 101b in the middle stage melts, and as shown in FIG. 5C, the trigger battery 10T falls to the battery storage tray 101c in the lower stage through the melting portion of the battery storage tray 101b in the middle stage by its own weight.
  • a plurality of batteries 10F housed in the lower battery storage tray 101c have been burnt.
  • the flame of the trigger battery 10T was extinguished by the progress shown in FIG. Specifically, when the trigger battery 10T engraved on the bottom of the can ignites and the bottom of the can vents, the trigger battery 10T pops out upward in the Z direction as shown in FIG. 6A, and the upper battery storage tray 1a Was attracted to the permanent magnet 35 of. Then, as shown in FIG. 6B, the trigger battery 10T was maintained in a state of being lifted from the upper surface 31b of the battery storage tray 1b in the middle stage.
  • the bottom side of the trigger battery 10T from which the flame was ejected at the highest temperature did not contact any of the battery housing trays 1a, 1b, 1c, and the temperature of the battery 10K around the trigger battery 10T rose. None of the batteries 10K ignited. After that, the flame of the trigger battery 10T was extinguished, and the fire did not occur.
  • the ignited trigger battery 10T is attracted to the bottom of the battery storage tray 1a in the upper stage by the permanent magnet 35 installed at the bottom, and the battery storage tray 1b in the middle stage is burned and melted.
  • the fall of the trigger battery 10T to the lower battery storage tray 1c was suppressed, and as a result, burning did not occur and the time until the fire was extinguished was short.
  • Example 2 in which only the permanent magnet 135 (see FIG. 4B) was arranged on the bottom side of the battery accommodating tray 101 and the bottom side of the permanent magnet 135 was not covered with the insulating resin, no burning occurred. rice field.
  • the heat loss of the battery accommodating tray 101 after the test was more severe than that of Example 1, and a plurality of batteries in the battery accommodating tray 101 were vented. This is because when the surrounding batteries jumped up due to the impact when the trigger battery 10T ignited and was attracted to the bottom of the battery storage tray 101 in the upper stage, a short circuit occurred on the sealed body side of the battery via the permanent magnet 135. It is presumed that the short-circuited battery vented and the electrolyte leaked out, increasing the momentum of the fire.
  • the battery storage trays with the permanent magnets of the present disclosure arranged at the bottom are used to store the batteries in the battery storage trays. It was confirmed that even if any of the batteries in the battery heats up abnormally, the influence of the abnormal heat generation can be suppressed from affecting the other batteries.
  • the magnetic force of the permanent magnets is such that the batteries accommodated in the battery accommodating trays in the lower stage with respect to the stacked battery accommodating trays. It must be set so that it cannot be attracted to the permanent magnet installed in the battery storage tray one step above it. Further, in the battery accommodating tray of each specification, the magnetic force of the permanent magnet needs to be set to such that the battery protruding upward due to ignition can be attracted by the magnet of the battery accommodating tray one step above the battery.
  • the battery accommodating tray 1 of the present disclosure has a thickness of the bottom plate 65 so as to surround the bottom plate 65 that supports the plurality of batteries 10 and the mounting surface 32 of the plurality of batteries 10 on the upper surface 31 from the outer edge portion of the upper surface 31 of the bottom plate 65.
  • a side wall 60 extending in the vertical direction and defining a battery accommodating space 5 for accommodating a plurality of batteries 10 together with the bottom plate 65, and a plate-shaped permanent fixed to at least a part of the bottom surface 65a of the bottom plate 65.
  • a magnet 35 is provided.
  • the bottom of a temporary battery 10 is vented and the battery 10 is on the upper side. Even if it jumps up, the battery 10 can be attracted by the permanent magnet 35 of the battery accommodating tray 1 located on the upper side. Therefore, it is possible to greatly reduce the influence of the high-temperature gas ejected from the lower side of the battery 10 on the battery accommodating tray 1 and other batteries 10, and it is possible to greatly improve the safety of the battery 10 during transportation and the like.
  • the insulating resin 45 that covers at least a part of the bottom surface 35a of the permanent magnet 35 may be provided.
  • the surrounding batteries 10 are affected by the impact of the vent at the bottom of the can bottom of a certain battery 10. Can be prevented from causing a short circuit on the sealing body side of the battery 10 via the permanent magnet 35 even if the battery jumps up and is attracted to the bottom of the battery storage tray 1 in the upper stage. Therefore, it is possible to prevent the short-circuited battery from venting and the electrolytic solution from leaking out, thereby increasing the momentum of the fire, and further improving the safety.
  • a plurality of accommodating portions 15 each accommodating the battery 10 and arranged at intervals from each other may be provided in the battery accommodating space 5.
  • the storage position of the battery 10 in the battery storage tray 1 can be positioned. Therefore, the fixed position of the permanent magnet 35 that can effectively attract the battery 10 can be easily specified.
  • the permanent magnet 35 may have an accommodating overlapping portion 35c that overlaps at least a part of the accommodating portion 15 when viewed from the thickness direction with respect to each of the plurality of accommodating portions 15.
  • the battery 10 when the can bottom of the battery 10 is vented and the battery 10 jumps up, the battery 10 can be reliably adsorbed by the accommodating overlapping portion 35c of the permanent magnet 35, and the safety can be further improved. can.
  • the permanent magnet 35 may be fixed to a region including all of the portions of the bottom surface 35a that overlap the plurality of accommodating portions 15 in the thickness direction. Then, the battery accommodating tray 1 may include an insulating resin 45 that covers all of the bottom surface 35a of the permanent magnet 35.
  • the permanent magnet 35 can surely adsorb the battery 10 and also surely prevent a short circuit of another battery 10 that jumps up due to the impact of the jumping up. It can be done, and the safety can be perfect.
  • the permanent magnet 35 is fixed to the entire surface of the bottom surface 65a of the bottom plate 65, and the entire surface of the bottom surface 35a of the permanent magnet 35 is covered with the insulating resin 45.
  • the magnet may be fixed only to a part of the bottom surface of the bottom plate, or only a part of the bottom surface of the magnet may be covered with an insulating resin. Alternatively, it is not necessary to cover the bottom surface of the magnet with an insulating resin.
  • the permanent magnet 35 has the accommodating overlapping portion 35c which overlaps with at least a part of the accommodating portion 15 when viewed from the thickness direction of the bottom plate 65 with respect to each of the plurality of accommodating portions 15 has been described.
  • the permanent magnet does not have to have an accommodating overlapping portion that overlaps at least a part of the accommodating portion when viewed from the thickness direction of the bottom plate with respect to each of the plurality of accommodating portions.
  • the trigger battery 10T forcibly ignited was a cylindrical battery with a stamp for venting on the bottom of the can.
  • FIG. 4A is shown.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)
PCT/JP2021/038896 2020-10-28 2021-10-21 電池収容トレイ Ceased WO2022091926A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202180069798.3A CN116325319A (zh) 2020-10-28 2021-10-21 电池收容托盘
JP2022559067A JP7780445B2 (ja) 2020-10-28 2021-10-21 電池収容トレイ
US18/032,428 US20230395914A1 (en) 2020-10-28 2021-10-21 Battery storage tray

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Application Number Priority Date Filing Date Title
JP2020-180472 2020-10-28
JP2020180472 2020-10-28

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Publication Number Publication Date
WO2022091926A1 true WO2022091926A1 (ja) 2022-05-05

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PCT/JP2021/038896 Ceased WO2022091926A1 (ja) 2020-10-28 2021-10-21 電池収容トレイ

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JP (1) JP7780445B2 (https=)
CN (1) CN116325319A (https=)
WO (1) WO2022091926A1 (https=)

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Publication number Priority date Publication date Assignee Title
KR20230073625A (ko) * 2021-11-19 2023-05-26 주식회사 엘지에너지솔루션 전지 트레이 및 이를 이용한 전지의 제조방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08185844A (ja) * 1995-01-05 1996-07-16 Matsushita Electric Ind Co Ltd 電池搬送治具
JP2017098115A (ja) * 2015-11-25 2017-06-01 トヨタ自動車株式会社 電池ユニット
WO2017145796A1 (ja) * 2016-02-23 2017-08-31 三洋電機株式会社 電池収容トレー及び電池梱包材

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022087504A1 (en) * 2020-10-23 2022-04-28 Tools Aviation, Llc Battery caddy having magnetic retaining feature

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08185844A (ja) * 1995-01-05 1996-07-16 Matsushita Electric Ind Co Ltd 電池搬送治具
JP2017098115A (ja) * 2015-11-25 2017-06-01 トヨタ自動車株式会社 電池ユニット
WO2017145796A1 (ja) * 2016-02-23 2017-08-31 三洋電機株式会社 電池収容トレー及び電池梱包材

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JP7780445B2 (ja) 2025-12-04
US20230395914A1 (en) 2023-12-07
CN116325319A (zh) 2023-06-23
JPWO2022091926A1 (https=) 2022-05-05

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