WO2017169728A1 - Bloc-batterie - Google Patents

Bloc-batterie Download PDF

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Publication number
WO2017169728A1
WO2017169728A1 PCT/JP2017/010119 JP2017010119W WO2017169728A1 WO 2017169728 A1 WO2017169728 A1 WO 2017169728A1 JP 2017010119 W JP2017010119 W JP 2017010119W WO 2017169728 A1 WO2017169728 A1 WO 2017169728A1
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WO
WIPO (PCT)
Prior art keywords
case
battery
battery pack
battery cell
bus bar
Prior art date
Application number
PCT/JP2017/010119
Other languages
English (en)
Japanese (ja)
Inventor
淳史 高田
政博 川畑
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
Priority to JP2018508964A priority Critical patent/JP6859319B2/ja
Publication of WO2017169728A1 publication Critical patent/WO2017169728A1/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
    • H01M50/50—Current conducting connections for cells or batteries
    • 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
    • H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
    • 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
    • H01M10/656—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
    • 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
    • H01M50/218—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
    • H01M50/271—Lids or covers for the racks or secondary casings
    • 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
    • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • 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 in which a plurality of battery cells are stored in a fixed position of a holder case, and more particularly to a battery pack in which a middle portion of a battery cell is stored in a state of being exposed inside the holder case.
  • a device including a battery pack in which battery cells such as a lithium ion secondary battery and a nickel hydride secondary battery that can be used repeatedly are connected in multiple series and in parallel is employed.
  • battery cells such as a lithium ion secondary battery and a nickel hydride secondary battery that can be used repeatedly are connected in multiple series and in parallel.
  • lithium ion secondary batteries are frequently used in recent years because they are lightweight but have high electromotive force and high energy density.
  • the battery pack can increase the output voltage by connecting a large number of battery cells in series, and can increase the output current by connecting them in parallel.
  • the number of battery cells to be stored tends to increase.
  • battery cells generate heat when charged and discharged with a large current, it is also important to ensure heat dissipation.
  • This battery pack includes a battery holder formed with a large number of cylindrical battery storage portions in order to store a large number of battery cells.
  • This battery holder is divided into two in the middle of the battery cell, and has a structure in which the battery cell is sandwiched and held from both sides by a pair of divided cases.
  • the above battery holder is generally made of resin from the standpoint of insulation and the like, and when each of these two divided cases is injection-molded with a mold, the number of cylindrical battery storage portions As the value increases, the frictional resistance during demolding increases. For this reason, even if it was going to comprise the battery holder which accommodates many battery cells, there existed a problem that metal mold
  • a battery pack having a structure in which only the both ends are accommodated in the battery accommodating portion and the intermediate portion of the battery cell is exposed without accommodating the entire cylindrical battery cell in the battery accommodating portion.
  • a cylindrical battery storage portion that stores an end portion of a battery cell is provided on the inner surface of a pair of split cases formed by dividing the battery holder into two. Since this battery holder inserts only the edge part of a battery cell in a battery accommodating part, the intermediate part of a battery cell can be exposed and the heat dissipation characteristic of this part can be improved.
  • JP 2007-317579 A International Publication Number WO2012 / 132135
  • the battery holder 92 that holds both ends of the battery cell in the battery storage portion has one end of the battery cell 91 inserted into the battery storage portion 93 of one split case 92X (lower case in the figure).
  • the other end of the battery cell 91 is inserted into the battery housing portion 93 of the other split case 92Y (upper case in the figure) and is sandwiched from both sides.
  • the position of the other end of the battery cell 91 having one end inserted into the battery housing portion 93 of one split case 92X moves back and forth and left and right, the other end of the battery cell 91 is moved to the other split case 92Y. It is difficult to promptly guide the battery storage unit 93.
  • the battery holder can be easily assembled by making it easier to specify the orientation of the battery to be inserted when the depth of the cylindrical portion which is the battery housing portion formed in the pair of cases is increased, but the mold becomes complicated. This makes it difficult to remove the mold and increases the manufacturing cost. Furthermore, the area of the battery cell exposed inside the battery holder is also reduced, and the heat dissipation characteristics are deteriorated. On the other hand, if the battery housing is shallow, the mold structure is simplified and the mold can be easily removed. As a result, the manufacturing cost can be reduced, and the area of the battery cell exposed inside the battery holder can be increased. It becomes difficult to hold the product so as to be sandwiched between the two, and the efficiency of the assembly work is reduced.
  • the battery holder is shallow and the battery holder and the mold have a simple structure, and the battery holder of the battery holder made up of a pair of cases is quickly guided to both ends of the battery cell to make many Nipping the battery cell from both sides is a contradictory property, and both cannot be satisfied at the same time.
  • the present invention has been made in view of such a background, and one of its purposes is to make the holder case simple, simplify the structure of the mold, make it easy to remove the mold, and reduce the manufacturing cost. It is also possible to provide a battery pack in which a large number of battery cells are arranged while being positioned between a pair of cases, and both ends of the battery cells can be easily held and sandwiched from both sides by a pair of cases. Furthermore, an object of the present invention is to provide a battery pack capable of improving heat dissipation characteristics by exposing a large area of the middle part of the battery cell in the holder case while holding both ends of the battery cell with the holder case.
  • a plurality of battery cells 1 formed by closing the opening of a cylindrical, bottomed outer can 11 with a sealing plate 12.
  • a holder case 2 for holding the plurality of battery cells 1 in a parallel posture and holding the electrode terminals 13 provided at both ends of each battery cell 1 on the same surface.
  • the holder case 2 includes a first case 2X provided with a plurality of holding portions 21 for inserting and holding one end portion of the battery cell 1, and a holding portion for inserting and holding the other end portion of the battery cell 1.
  • the second case 2Y is provided with a plurality of 21 inside, and a plurality of battery cells 1 are sandwiched from both sides in the longitudinal direction by the first case 2X and the second case 2Y to hold both ends of the plurality of battery cells 1. While being held by the part 21, the intermediate part of the plurality of battery cells 1 is exposed in the holder case 2. Further, the battery pack is disposed between the holding portion 21 of the first case 2X and the holding portion 21 of the second case 2Y, and a positioning spacer 3 for holding and positioning the intermediate portions of the plurality of battery cells 1 is provided. I have.
  • both end portions of the battery cells are positioned in the first case and the second case.
  • the battery cell can be clamped from both sides in the longitudinal direction while being guided to the holding portion. For this reason, the both ends of the plurality of battery cells can be easily and easily guided to the holding portions of the first case and the second case, and the assembling work can be efficiently performed.
  • the holding portions formed in the first case and the second case can be formed shallowly, Accordingly, the first case and the second case can be manufactured easily and easily at a low cost by using a mold having a simple structure.
  • the positioning spacer 3 is a perforated plate which penetrates the battery cell 1 and opens a plurality of insertion holes 3A for holding the intermediate part of the battery cell 1,
  • the battery cell 1 can be inserted into the insertion hole 3A and positioned.
  • the battery cell can be inserted into the insertion hole opened in the perforated plate while the positioning spacer has a simple structure, so that the plurality of battery cells can be reliably positioned.
  • the holder case 2 can be formed of a thermosetting resin.
  • the first case and the second case can be easily manufactured using a thermosetting resin by making the shapes simple.
  • excellent heat resistance and chemical resistance can be realized by molding the holder case with a thermosetting resin.
  • the depth of the holding portion 21 of the first case 2X and the second case 2Y is 25% or less of the total length of the battery cell 1, and the thickness of the positioning spacer 3 is increased. Can be 10% or less of the total length of the battery cell 1.
  • the depth of the holding portion of the first case and the second case is reduced, and the thickness of the positioning spacer is reduced, so that the area where the battery cell is exposed in the holder case is widened and effective.
  • the depth of the holding part of the first case and the second case is set to 25% or less of the total length of the battery cell, and the thickness of the positioning spacer is set to 10% or less of the total length of the battery cell.
  • An area of 40% or more of the surface can be exposed to effectively dissipate heat.
  • the first case 2X and the second case 2Y are provided around the end plate portion 22 and the end plate portion 22 provided with a plurality of holding portions 21 on the inner surface.
  • the outer shape of the whole wall is substantially rectangular, and the opposing opening edges of the peripheral wall 23 are connected to each other to form a hollow portion 20 that exposes the intermediate portion of the battery cell 1 inside.
  • the positioning spacer 3 can be sandwiched between the peripheral walls 23 of the first case 2X and the second case 2Y which are opposed to each other, and can be arranged at a fixed position.
  • the first case and the second case are configured by an end surface plate portion provided with a plurality of holding portions on the inner surface and a peripheral wall formed along the periphery of the end surface plate portion, and the outer shape is substantially rectangular.
  • the outer shape is substantially rectangular.
  • At least one of the first case 2X and the second case 2Y is provided with a step recess 23A for fitting the positioning spacer 3 along the opening edge of the peripheral wall 23.
  • the positioning spacer can be placed at a fixed position by fitting the positioning spacer to the stepped recess provided along the opening edge of at least one of the first case or the second case.
  • the battery pack of the seventh embodiment it is possible to further include a pair of bus bar plates 4 arranged on the outer sides of the end face plate portions 22 of the first case 2X and the second case 2Y.
  • a plurality of battery cells 1 are arranged in the same direction and accommodated in a holder case 2, and the first case 2 ⁇ / b> X and the second case 2 ⁇ / b> Y have a connection hole 24 penetrating the bottom surface of the holding portion 21 and an end plate portion 22.
  • the electrode terminals 13 of the battery cells 1 are exposed through the connection holes 24, and the electrode terminals 13 are connected to the bus bar plate 4 so that the plurality of battery cells 1 can be connected in parallel.
  • a plurality of battery cells are arranged in the same direction and stored in the holder case, and the battery terminal electrode terminals inserted into the holding parts of the first case and the second case are connected to the connection holes opened in the end face plate part.
  • a plurality of battery cells can be easily connected in parallel by exposing and connecting this electrode terminal to a bus bar plate arranged outside the end face plate portion.
  • this battery pack arranges a pair of bus bar plates outside the end plate portions of the first case and the second case, it effectively dissipates heat conducted from both ends of the battery cells via the bus bar plate. it can.
  • the pair of bus bar plates 4 are arranged on the outer sides of the first bus bar plate 4X and the second case 2Y arranged outside the first case 2X.
  • 2 bus bar plates 4Y each bus bar plate 4 is provided with bent pieces 41, 43 bent along the peripheral wall 23 from the outer peripheral edge of the end face plate portion 22, and the tip ends of the bent pieces 41, 43 are Furthermore, the external connection parts 42 and 44 can be provided by bending.
  • the first bus bar plate 4X has a bent piece 41 arranged on the first surface 2A which is the side surface of the holder case 2 having a rectangular outer shape, and the second bus bar plate 4Y is a side surface facing the first surface 2A.
  • the bent piece 43 can be arranged on the third surface 2C.
  • the positive and negative external connection portions are arranged on the opposing side surfaces of the holder case, so that the battery pack can be safely connected while preventing harmful effects such as a short circuit.
  • the holder case 2 is fitted to guide the bent piece 41 to the first surface 2A on which the bent piece 41 of the first bus bar plate 4X is arranged.
  • a fitting recess 27 for guiding the bent piece 43 is provided on the third surface 2C on which the bent piece 43 of the second bus bar plate 4Y is disposed, and the fitting concave portion 27 is externally provided.
  • a stepped surface 28 on which the connecting portion 44 is disposed can be formed.
  • the bent pieces arranged on the first surface and the third surface of the holder case can be reliably externally connected while being guided to the fitting recesses and arranged at a fixed position.
  • the bent piece which is a metal piece, is prevented from projecting to the surface side of the holder case, effectively preventing problems such as short circuits. Can be prevented.
  • the fitting recess provided on the third surface of the holder case is provided with a stepped surface on which the external connection portion of the second bus bar plate is arranged, the external connection portion of the second bus bar plate is provided on this surface. Secure external connection.
  • the external connection portion of the first bus bar plate of the adjacent battery pack is provided on the upper surface of the external connection portion of the second bus bar plate arranged on the step surface. Arranged in a stacked state and can be securely connected.
  • FIG. 2 is a sectional view taken along line II-II of the battery pack shown in FIG.
  • FIG. 3 is a cross-sectional view of the battery pack shown in FIG. 1 taken along the line III-III. It is a disassembled perspective view of the battery pack shown in FIG. It is the disassembled perspective view which looked at the battery pack shown in FIG. 4 from the lower side. It is a disassembled perspective view of the holder case of the battery pack shown in FIG. 7A to 7D are schematic cross-sectional views showing an assembly process of the battery pack shown in FIG.
  • FIG. 3 is a partially enlarged exploded perspective view of a first bus bar plate.
  • 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 can be used as a power source for a stationary power storage facility.
  • a power storage device for a power plant, power generation facility, factory, or public facility the battery pack is charged by solar power generation or wind power generation, or at midnight. It can be applied to a power storage device that is charged with electric power and discharged when necessary.
  • a plurality of battery packs can be connected and connected in series and / or in parallel to increase the output to constitute a power storage device.
  • the power storage device can control charging / discharging of each battery pack by connecting a plurality of battery packs in a daisy chain and connecting a controller to the terminal end.
  • the battery pack of the present invention is not limited to such a power source for power storage facilities, but is also used for a street light power source that charges sunlight during the day and discharges it at night, a traffic light that is driven during a power failure, and a computer server Needless to say, the present invention can also be used for a backup power supply for a wireless base station such as a mobile phone or a mobile phone.
  • FIG. 1 is a perspective view of the battery pack
  • FIG. 2 is a cross-sectional view taken along line II-II of the battery pack of FIG. 1
  • FIG. 3 is a cross-sectional view taken along line III-III of FIG. 1
  • FIG. 5 is an exploded perspective view of the battery pack of FIG. 4 viewed from below
  • FIG. 6 is an exploded perspective view of the holder case.
  • the battery pack 10 shown in these drawings includes a plurality of battery cells 1 in which openings of a cylindrical and bottomed outer can 11 are closed with a sealing plate 12, and a plurality of battery cells 11 are parallel to each other. And a holder case 2 that holds the electrode terminals 13 provided at both ends of each battery cell 1 in a posture to be arranged on the same surface.
  • the holder case 2 includes a first case 2X provided with a plurality of holding portions 21 for inserting and holding one end portion of the battery cell 1, and a holding portion for inserting and holding the other end portion of the battery cell 1. 2nd case 2Y which provided multiple 21 inside.
  • the holder case 2 includes a first case 2X and a second case 2Y sandwiching the plurality of battery cells 1 from both sides in the longitudinal direction, holding both end portions of the plurality of battery cells 1 by the holding portions 21, and holding an intermediate portion.
  • the battery pack 10 includes a positioning spacer 3 that is disposed between the holding portion 21 of the first case 2X and the holding portion 21 of the second case 2Y and holds the middle portion of the battery cell 1 while positioning. ing.
  • the battery cell 1 is a lithium ion secondary battery that can be charged and discharged.
  • the battery cell 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.
  • a cylindrical battery is used in the battery pack of the present embodiment.
  • the present invention is not limited to this, and a square battery or a flat battery may be used.
  • the battery cell 1 stores an electrode body (not shown) in a cylindrical and bottomed outer can 11 and is filled with an electrolyte solution to open the outer can 11.
  • the part is closed with a sealing plate 12.
  • the battery cell 1 uses the bottom surface of the outer can 11 as both end surfaces and the sealing plate 12 closed in an insulating state at the opening of the outer can 11 as positive and negative electrode terminals 13.
  • the battery cell 1 shown in FIG. 6 has a metal plate formed in a disk shape having a central recess without providing a convex electrode on the sealing plate 12 while increasing the strength by using the outer can 11 as iron or an iron alloy. Is used.
  • a sealing plate 12 aluminum or an aluminum alloy can be used.
  • the battery cell 1 having this structure can reduce the strength of the aluminum sealing plate 12 relative to the iron outer can 11. For this reason, when problems such as abnormally high internal pressure occur due to overcharge or internal short circuit, etc., the aluminum sealing plate 12 is opened preferentially, and the internal gas etc. is quickly released to the outside. It can be discharged to guarantee safety.
  • the battery cell may have a structure in which a convex electrode is provided on the sealing plate. In this battery cell, a safety valve is provided on the sealing plate or the convex electrode, and when the internal pressure of the battery rises, the safety valve can be opened to exhaust the internal gas from the exhaust port.
  • the holder case 2 shown in FIGS. 2, 3, and 6 accommodates a plurality of battery cells 1 in a parallel posture.
  • the plurality of battery cells 1 are arranged in the same direction. That is, in the figure, the bottom end of the outer can 11 is positioned downward, and the end closed by the sealing plate 12 is positioned upward.
  • the holder case 2 holds the electrode terminals 13 provided at both ends of each battery cell 1 at a fixed position in a posture where they are arranged on the same surface.
  • the holder case 2 is divided into a first case 2X and a second case 2Y in the longitudinal direction of the battery cell 1 and in the middle of the thickness direction.
  • the first case 2X and the second case 2Y are each provided with a holding portion 21 for inserting and holding the end of the cylindrical battery cell 1 individually.
  • the first case 2 ⁇ / b> X and the second case 2 ⁇ / b> Y include an end surface plate portion 22 provided with a plurality of holding portions 21 into which end portions of the battery cell 1 are inserted on the inner surface, and a peripheral wall formed along the periphery of the end surface plate portion 22. 23.
  • the first case 2 ⁇ / b> X and the second case 2 ⁇ / b> Y have an overall outer shape of a substantially rectangular shape, and the opposing opening edges of the peripheral wall 23 are connected to each other.
  • maintenance part 21 is formed in the shape which can insert and hold
  • the holding portion 21 shown in the figure has a shape that follows the outer peripheral surface of the battery cell 1 and preferably has a shape that allows the outer peripheral surface of the battery cell 1 to approach or contact the outer peripheral surface of the battery cell 1 without a gap.
  • a plurality of recesses are provided inside the end face plate portion 22.
  • the plurality of holding portions 21 are formed so that the battery cell 1 inserted therein can be held in a substantially vertical posture with respect to the end face plate portion 22.
  • the holder case 2 forms a holding portion 21 having an inner cylindrical shape so that the cylindrical battery cell 1 can be accommodated.
  • these holding portions 21 join the first case 2 ⁇ / b> X and the second case 2 ⁇ / b> Y so as to sandwich the battery cell 1 from both sides, thereby connecting the plurality of battery cells 1.
  • the holder case 2 can be stored in a fixed position.
  • the holding portion is a cylindrical portion having an inner shape that follows the outer shape of the battery cell, and a plurality of the cylindrical portions can be arranged.
  • the plurality of holding portions 21 are provided in a predetermined arrangement inside the first case 2X and the second case 2Y, respectively.
  • the number of holding parts 21 formed in the holder case 2 is determined by the number of battery cells 1 to be stored.
  • the holder case 2 is provided with 66 holding portions 21 in the first case 2X and the second case 2Y, respectively.
  • the holding portions 21 of the holder case 2 shown in FIG. 6 are formed in 9 rows from the second surface 2B to the fourth surface 2D, and in each row, the holding portions 21 face the first surface 2A to the third surface 2C.
  • a total of 66 holding portions 21 are provided by arranging 7 to 8 pieces in a straight line at equal intervals. Therefore, the holder case 2 has a structure that can accommodate up to 66 battery cells 1.
  • the holding portions 21 formed over multiple rows are arranged so that the adjacent battery cells 1 are located between adjacent battery cells 1 in one row, that is, in a staggered state.
  • the battery cell 1 can be arranged in a space-saving manner
  • the depth of the holding portion 21 formed in the concave shape is 5 to 30%, preferably 10 to 25%, more preferably 15 to 25% of the length of the battery cell 1. Furthermore, by joining the first case 2X and the second case 2Y so as to sandwich the battery cell 1 from both sides, the two holding portions 21 store and hold both ends of the battery cell 1, and the battery cell. A hollow portion 20 is formed in the holder case 2 so that the intermediate portion of the battery cell is exposed in the holder case 2. Thereby, since each battery cell which the intermediate part of the battery cell 1 adjoins can be spaced apart, the cooling effect of a battery cell can be improved.
  • a connection hole 24 penetrating the bottom surface of the holding portion 21 is opened in the end face plate portion 22.
  • the end surface plate portion 22 exposes the electrode terminal 13 from the connection hole 24 opened on the outer surface in a state where the end portion of the battery cell 1 is inserted into the holding portion 21 provided inside.
  • the connection hole 24 is made smaller than the outer shape of the outer can 11 of the battery cell 1 inserted into the holding portion 21 so as to prevent passage of the battery cell 1. .
  • the end portion of the battery cell 1 inserted into the holding portion 21 can be stopped at a fixed position of the connection hole 24 without penetrating the end face plate portion 22.
  • the electrode terminal 13 of the battery cell 1 exposed from the connection hole 24 of the end face plate portion 22 is connected to the bus bar plate 4 disposed outside the end face plate portion 22 as will be described in detail later.
  • the first case 2X and the second case 2Y shown in FIG. 4 to FIG. 6 have a storage recess 25 in which the bus bar plate 4 is disposed on the outer surface of the end face plate portion 22.
  • the first case 2 ⁇ / b> X and the second case 2 ⁇ / b> Y shown in the drawing have a peripheral wall 23 provided around the end face plate part 22 protruding outside the end face plate part 22, and are formed by the protruding part and the end face plate part 22.
  • the recessed portion to be stored is used as a storage recess 25 to store the bus bar plate 4.
  • the bus bar plate 4 is disposed in the storage recess 25 and the outside of the storage recess 25 is closed by the cover member 5.
  • the holder case 2 can also have a vent opening in the peripheral wall 23 that is the side surface. Thereby, ventilation is made inside and outside the holder case 2, and the heat dissipation characteristics of the battery cell 1 stored in the holder case 2 can be further improved.
  • the first case 2X and the second case 2Y are formed by injection molding using a mold.
  • the holder case 2 is made of a member having excellent insulating properties, preferably a resin.
  • a resin thermoplastic resins such as PC (polycarbonate), PP (polypropylene), and PBT, and thermosetting resins such as unsaturated phenol resins and unsaturated polyesters can be used.
  • thermosetting resin it is formed by compression molding or injection compression molding.
  • the structure in which the holder case is molded with a thermoplastic resin can simplify the injection molding using a mold, and can reduce the manufacturing cost by using an inexpensive thermoplastic resin.
  • the holder case since the holder case may be heated to a high temperature when the battery cell is abnormal, it can be manufactured from a thermoplastic resin according to the capacity and number of battery cells used, the usage environment, and the required heat resistance. it can.
  • the structure in which the holder case 2 is molded with a thermosetting resin increases the time for injecting the molten resin into the mold during molding using the mold, and is heated and cured after the injection. Since a process is required, there is a problem that mass production cannot be efficiently performed in a short time, and a problem that the manufacturing cost is increased by using an expensive thermosetting resin.
  • the plurality of battery cells 1 are arranged at fixed positions by interposing the positioning spacer 3 between the first case 2X and the second case 2Y constituting the holder case 2, so that the first Even if the holding portions 21 formed in the case 2X and the second case 2Y are shallow, it is possible to hold the battery cells with the holding portions 21 while sandwiching both end portions from both sides. That is, by forming the holding portion 21 into which the end of the battery cell 1 is inserted shallow, the amount of resin to be used is reduced while reducing the manufacturing cost while making the mold simple structure. Can be mass-produced.
  • thermosetting resin since the holder case made of thermosetting resin has excellent heat resistance, as described above, even if it is heated to high temperature due to ignition or smoke when the above occurs, it will melt Thus, similar firing to adjacent battery cells is effectively prevented. Moreover, since the thermosetting resin is also excellent in chemical resistance, it is possible to prevent adverse effects caused by the electrolyte solution discharged from the battery cell. From the above viewpoint, here, a thermosetting resin is preferably used as the resin for manufacturing the holder case.
  • the positioning spacer 3 is disposed between the holding part 21 of the first case 2X and the holding part 21 of the second case 2Y, holds the intermediate part of the plurality of battery cells 1, and these battery cells 1 Specify the position of.
  • the positioning spacer 3 shown in FIG. 6 is a perforated plate having a plurality of insertion holes 3 ⁇ / b> A that penetrate the battery cell 1 and hold the middle part of the battery cell 1. 3 A of insertion holes opened by the positioning spacer 3 are provided in the position facing the holding
  • the insertion hole 3 ⁇ / b> A has an inner shape that comes into contact with the outer peripheral surface of the battery cell 1, so that an intermediate portion of the battery cell 1 can be held at a fixed position.
  • the positioning spacer 3 holds the middle part of the battery cell 1 inserted into the insertion hole 3 ⁇ / b> A so that the battery cell 1 can be positioned at a fixed position in the holder case 2.
  • the above battery pack 10 holds the plurality of battery cells 1 with the positioning spacer 3 and holds the both ends of the battery cell 1 from both sides between the first case 2X and the second case 2Y.
  • a large number of battery cells 1 can be easily inserted into the opposing holding portions 21 while being positioned.
  • the battery cell 1 is inserted into the insertion hole 3A of the positioning spacer 3, and the end on the insertion side is the first.
  • the battery cell 1 can be positioned and positioned in the first case 2X by being inserted into the holding portion 21 of the case 2X (see FIG. 7B).
  • This structure can hold the battery cell while positioning the battery cell substantially in the same state as the battery storage part that stores about half the length of the battery cell 1. Therefore, the opposite end portion can be quickly inserted into the opposing holding portion, and both end portions of the battery cell 1 can be held so as to be sandwiched from both sides. Thereby, the work efficiency at the time of an assembly can be improved.
  • the positioning spacer 3 can be easily inserted through the battery cell 1 by reducing its thickness, and the region exposed in the holder case 2 can be widened while holding the middle part of the battery cell 1. it can. Therefore, the thickness of the positioning spacer can be preferably 10% or less of the total length of the battery cell.
  • Such positioning spacer 3 can be made of resin or metal.
  • the above positioning spacer 3 is sandwiched between the peripheral walls 23 facing each other of the first case 2X and the second case 2Y, and is arranged in the middle of the holder case 2.
  • the holder case 2 shown in the figure is provided with a step recess 23A for fitting the positioning spacer 3 along the opening edge of the peripheral wall 23 of the first case 2X which is the lower case.
  • the positioning spacer 3 is sandwiched between the opposing peripheral walls 23 of the first case 2X and the second case 2Y in a state where the positioning spacer 3 is fitted and positioned in the stepped recess 23A of the first case 2X. Wear it and fix it in place.
  • the step recess can be provided in the second case.
  • the positioning spacer can also be fixed to the holder case by bonding or by screwing or locking structure.
  • the holder case 2 in which the plurality of battery cells 1 are housed is connected to the connection boss 29 provided at the opposing position of the first case 2X and the second case 2Y as shown in FIG. 39 is screwed to fix the first case 2X and the second case 2Y.
  • a connecting boss 29 is integrally formed on the end plate portion 22 and the peripheral wall 23.
  • the first case and the second case can be connected to each other via a connecting bolt and a nut.
  • the battery pack 10 of FIGS. 2 to 5 includes a bus bar plate 4 on the upper and lower outer sides of the holder case 2 for connecting the electrode terminals 13 at both ends of the plurality of battery cells 1 stored in the holder case 2.
  • the bus bar plate 4 is a flat metal plate that covers the outside of the end face plate portion 22, and a plurality of bus bar plates 4 are connected to connect the electrode terminals 13 of the plurality of battery cells 1 exposed from the connection holes 24 of the end face plate portion 22.
  • the through hole 40 is opened. These through holes 40 are opened at positions facing the connection holes 24 opened in the end face plate portion 22.
  • the bus bar plate 4 is electrically connected to the electrode terminals 13 of the plurality of battery cells 1 housed in the holder case 2.
  • the battery pack 10 shown in the drawing is a first bus bar plate 4X disposed on the lower surface side of the first case 2X which is the lower case of the holder case 2 and outside the end surface plate portion 22, and a first case which is an upper case.
  • a second bus bar plate 4Y disposed on the upper surface side of the two cases 2Y and outside the end surface plate portion 22 is provided.
  • These bus bar plates 4 have a shape and a size that cover the entire end surface plate portion 22, and are sized so that the electrode terminals 13 of all the battery cells 1 accommodated in the holder case 2 can be connected.
  • the bus bar plate 4 is fixed to the holder case 2 via a set screw 38 passing through the bus bar plate 4. With this structure, the bus bar plate 4 can be securely fixed to a fixed position of the holder case 2.
  • the bus bar plate 4 is connected to the battery cell 1 via the lead plate 45 as shown in FIGS.
  • the lead plate 45 shown in FIGS. 8 and 9 is a thin metal plate.
  • the lead plate 45 has a connection hole 45A at a position facing the through hole 40 of the bus bar plate 4 and is connected to the connection piece 46 at the connection hole 45A. 47 are provided.
  • the connection pieces 46 and 47 are integrally connected to the lead plate 45.
  • the lead plate 45 is fixed to the bus bar plate 4 so that the connection pieces 46 and 47 are located in the through holes 40 opened in the bus bar plate 4.
  • the bus bar plate 4 shown in FIGS. 8 and 9 is connected to three lead plates 45.
  • connection pieces 46 and 47 of the lead plate 45 are connected to the battery cell 1 by connecting the connection pieces 46 and 47 of the lead plate 45 to the electrode terminal 13 of the battery cell 1. Therefore, the connection pieces 46 and 47 are disposed at positions facing the connection terminals 13 exposed from the connection holes 24. As shown in FIG. 10, the connection pieces 46 and 47 are formed in a shape and size that are welded to the connection terminal 13 in a state where the welding rod 60 is pressed. Further, the lead plate 45 shown in FIG. 8 has a fusing part 48 formed between the opening edge of the coupling hole 45 ⁇ / b> A and the connection piece 46. The fusing part 48 shown in the drawing is a long and thin line and is formed in a crank shape.
  • the fusing part 48 is cut in a state where an overcurrent flows, so that the electrode terminal 13 of the battery cell 1 can be reliably cut off from the lead plate 45. Yes.
  • an adhesive tape as a fixing member 49 is stuck to the surface of the fusing part in order to protect the fusing part 48 formed thin.
  • This adhesive tape is a tape that is melted by heat. In a state where the fusing part 48 is melted, the adhesive tape is also melted and cut.
  • the bus bar plate 4 to which the lead plate 45 is fixed is arranged in a state of being laminated on the outer surface of the end face plate portion 22, and the connection piece 47 of the lead plate 45 is connected to the connection hole of the end face plate portion 22. 24.
  • the connection piece 47 disposed in the connection hole 24 is welded to the electrode terminal 13 of the battery cell 1.
  • the welding rod 60 is welded by pressing the connection piece 47 of the lead plate 45 to the electrode terminal 13 exposed from the connection hole 24 of the end face plate portion 22.
  • the welding rod 60 is welded while passing through the through hole 40 of the bus bar plate 4 and pressing the connection piece 47 against the electrode terminal 13 of the battery cell 1.
  • the electrode terminals 13 at both ends of the plurality of battery cells 1 housed in the holder case 2 are connected to the first bus bar plate 4X and the second bus bar plate 4Y, whereby the plurality of battery cells are connected. 1 are connected in parallel.
  • the bus bar plate 4 shown in FIGS. 4 and 5 includes bent pieces 41 and 43 bent along the peripheral wall 23 from the outer peripheral edge of the end face plate portion 22, and the distal ends of the bent pieces 41 and 43. The portions are further bent to form external connection portions 42 and 44.
  • the battery pack 10 shown in FIGS. 1 to 5 is a side surface facing the holder case 2 having a rectangular outer shape, and a bent piece 41 is disposed on the first surface 2A, and the bent piece is formed on the third surface 2C. 43 is arranged.
  • the first bus bar plate 4X has a bent piece 41 arranged along the first surface 2A of the holder case 2.
  • the bent piece 41 is formed so as to rise from the lower surface side of the first case 2X along the first surface 2A, and the front end portion is bent in the horizontal direction to form the external connection portion 42.
  • the holder case 2 has a fitting recess 26 that guides the bent piece 41 on the first surface 2A on which the bent piece 41 of the first bus bar plate 4X is disposed. Thus, by guiding the bent piece 41 to the fitting recess 26, the bent piece 41 is prevented from projecting to the surface side of the holder case 2 while the bent piece 41 is disposed at a fixed position. Yes.
  • the second bus bar plate 4Y has a bent piece 43 disposed along the third surface 2C of the holder case 2.
  • the bent piece 43 is formed so as to hang down from the upper surface side of the second case 2Y along the second surface 2C, and the distal end portion thereof is bent in the horizontal direction to form an external connection portion 44.
  • the holder case 2 has a fitting recess 27 for guiding the bent piece 43 on the third surface 2C where the bent piece 43 of the second bus bar plate 4Y is arranged. Further, a stepped surface 28 on which the external connection portion 44 is disposed is formed in the fitting recess 27.
  • the bent piece 43 and the external connection portion 44 are arranged while the bent piece 43 and the external connection portion 44 are arranged at fixed positions. Is prevented from projecting to the surface side of the holder case 2.
  • the external connection portion 44 can be reliably externally connected to the stepped surface 28.
  • the cover member 5 has a shape and a size covering the upper and lower surfaces of the holder case 2.
  • the cover member 5 shown in the figure includes a flat closing plate portion 51 that follows the outer shape of the holder case 2 and a cover portion 52 that is connected to the periphery of the closing plate portion 51.
  • the cover 52 is locked and fixed to a locking projection 31 provided on the outer peripheral surface of the holder case 2.
  • the cover 52 shown in FIGS. 2 to 5 has a locking hole as a locking portion 53 for locking the locking projection 31.
  • the cover member 5 locks the cover 52 with the holder case 2.
  • the protrusion 31 is locked in a locked state in a locked state.
  • the cover member 5 shown in FIGS. 1 to 5 includes a first cover member 5X that covers the outside on the first case 2X side, and a second cover member 5Y that covers the outside on the second case 2Y side. Yes.
  • the first cover member 5X is provided with a cover portion 52 in a state of covering the four side surfaces of the first case 2X.
  • the second cover member 5Y is provided with a cover portion 52 that faces three surfaces of the four side surfaces of the second case 2Y except the first surface 2A.
  • the second cover member 5Y is fixed to the second surface 2B to the fourth surface 2D with the above-described locking structure, and passes through the bent piece 43 of the second bus bar plate 4Y on the first surface. Open without providing cover 52 to allow
  • the above battery pack 10 is assembled in the following steps shown in FIG. (1)
  • the positioning spacer 3 is disposed in the opening of the first case 2X.
  • the positioning spacer 3 is, for example, arranged in a fitted state in a stepped recess 23A formed along the opening edge of the peripheral wall 23 of the first case 2X and fixed to a fixed position.
  • the battery cell 1 is inserted into the insertion hole 3A of the positioning spacer 3 disposed in the opening of the first case 2X, and the end on the insertion side is held by the first case 2X. Insert into part 21.
  • the first case 2 ⁇ / b> X and the second case 2 ⁇ / b> Y are connected to each other in a state where both ends of the plurality of battery cells 1 are held by the respective holding portions 21, and the plurality of battery cells 1 are accommodated inside the holder case 2. .
  • the second cover member 5Y is disposed above the second bus bar plate 4Y. Arrange and connect to the holder case 2.
  • the battery pack 10 described above stores the battery cells 1 in 65 places except for one place among the 66 holding portions 21 provided in the holder case 2. That is, the battery pack 10 has 65 battery cells 1 having a battery capacity of 4.62 Ah / cell connected in parallel via the bus bar plate 4 and has a large capacity of about 3V to 4.15V. A battery pack 10 is configured. It should be noted that the number, arrangement and connection of the battery cells 1 stored in the holder case 2 are not limited to this, and needless to say, it can be changed depending on the required voltage and output capacity.
  • the battery pack 10 described above can connect a plurality of battery packs 10 in series as shown in FIG.
  • the first bus bar plate disposed on the left side surface of the battery pack 10 positioned on the right side is connected to the external connection portion 44 of the second bus bar plate 4Y disposed on the right side surface of the battery pack 10 positioned on the left side.
  • the state which connects the 4X external connection part 42 is shown.
  • the external connection portions 42 and 44 stacked on each other are fixed to the holder case 2 by the connection screw 61 being screwed in the fitting recess 27. In this way, by connecting the external connection portions 42 and 44 facing each other in the battery packs adjacent to each other inside the fitting recess 27, connection can be made while reliably preventing unintended contact with the outside.
  • the present invention is a battery pack in which a plurality of battery cells are held in a hollow shape in a holder case, and can be suitably used as a power source for a mounting-type power storage facility or as a backup power source for various battery devices. .

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

La présente invention donne à un boîtier de support une structure simple, simplifie la structure d'un moule, et réduit le coût de fabrication. Dans la présente invention, un grand nombre d'éléments de batterie sont agencés simplement et facilement tout en étant positionnés entre une paire de boîtiers. Ce bloc-batterie comprend une pluralité d'éléments de batterie qui sont obtenus par le blocage d'une section d'ouverture d'une cartouche d'emballage extérieure dotée d'une plaque d'étanchéité, et un boîtier de support qui supporte la pluralité d'éléments de batterie selon un agencement mutuellement parallèle. Le boîtier de support comprend un premier boîtier et un second boîtier qui sont chacun pourvus d'une pluralité de sections de support sur un côté intérieur de ceux-ci, prend en sandwich la pluralité d'éléments de batterie des deux côtés dans une direction longitudinale avec le premier boîtier et le second boîtier, et supporte les deux sections d'extrémité de la pluralité d'éléments de batterie avec les sections de support, tout en ayant une structure qui expose, à l'intérieur du boîtier de support, une section intermédiaire de la pluralité d'éléments de batterie. Le bloc-batterie comprend en outre un écarteur de positionnement qui est agencé entre les sections de support du premier boîtier et les sections de support du second boîtier, et supporte et positionne la section intermédiaire de la pluralité d'éléments de batterie.
PCT/JP2017/010119 2016-03-30 2017-03-14 Bloc-batterie WO2017169728A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2018508964A JP6859319B2 (ja) 2016-03-30 2017-03-14 電池パック

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-068962 2016-03-30
JP2016068962 2016-03-30

Publications (1)

Publication Number Publication Date
WO2017169728A1 true WO2017169728A1 (fr) 2017-10-05

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110915021A (zh) * 2017-10-16 2020-03-24 株式会社Lg化学 电池模块和电池组
WO2020214383A1 (fr) * 2019-04-15 2020-10-22 Robert Bosch Gmbh Module de batterie comprenant des ensembles barres omnibus isolantes
WO2021039550A1 (fr) * 2019-08-30 2021-03-04 パナソニックＩｐマネジメント株式会社 Module de stockage électrique
WO2021039551A1 (fr) * 2019-08-30 2021-03-04 パナソニックＩｐマネジメント株式会社 Module de stockage d'énergie
WO2021107429A1 (fr) * 2019-11-25 2021-06-03 주식회사 엘지에너지솔루션 Module de batteries et bloc-batterie
JP2021529419A (ja) * 2018-06-25 2021-10-28 アルマ マター ストゥディオラム−ウニベルシタ ディ ボローニャ 電力モジュールおよびそれを組み立てるための方法
WO2021221306A1 (fr) * 2020-04-29 2021-11-04 주식회사 엘지에너지솔루션 Module de batterie et bloc-batterie le comprenant
WO2022255100A1 (fr) 2021-06-04 2022-12-08 株式会社Ｇｓユアサ Dispositif de stockage d'énergie
JP2023528041A (ja) * 2021-02-22 2023-07-03 エルジー エナジー ソリューション リミテッド バッテリーパック及びこれを含む自動車
EP4145618A4 (fr) * 2020-05-18 2023-11-08 BYD Company Limited Batterie, bloc-batterie et véhicule

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010015958A (ja) * 2008-07-07 2010-01-21 Toyota Motor Corp 蓄電モジュールおよびこの製造方法
JP2012094330A (ja) * 2010-10-26 2012-05-17 Sony Corp 電池ユニット
WO2012132135A1 (fr) * 2011-03-31 2012-10-04 三洋電機株式会社 Bloc batterie
CN203983361U (zh) * 2014-05-30 2014-12-03 合肥国轩高科动力能源股份公司 圆柱锂电池模块固定骨架
WO2015162841A1 (fr) * 2014-04-25 2015-10-29 パナソニックＩｐマネジメント株式会社 Bloc-batterie

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010015958A (ja) * 2008-07-07 2010-01-21 Toyota Motor Corp 蓄電モジュールおよびこの製造方法
JP2012094330A (ja) * 2010-10-26 2012-05-17 Sony Corp 電池ユニット
WO2012132135A1 (fr) * 2011-03-31 2012-10-04 三洋電機株式会社 Bloc batterie
WO2015162841A1 (fr) * 2014-04-25 2015-10-29 パナソニックＩｐマネジメント株式会社 Bloc-batterie
CN203983361U (zh) * 2014-05-30 2014-12-03 合肥国轩高科动力能源股份公司 圆柱锂电池模块固定骨架

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200251695A1 (en) * 2017-10-16 2020-08-06 Lg Chem, Ltd. Battery module and battery pack
JP2020528649A (ja) * 2017-10-16 2020-09-24 エルジー・ケム・リミテッド バッテリーモジュール及びバッテリーパック
US11688911B2 (en) 2017-10-16 2023-06-27 Lg Energy Solution, Ltd. Battery module and battery pack
CN110915021A (zh) * 2017-10-16 2020-03-24 株式会社Lg化学 电池模块和电池组
JP2021529419A (ja) * 2018-06-25 2021-10-28 アルマ マター ストゥディオラム−ウニベルシタ ディ ボローニャ 電力モジュールおよびそれを組み立てるための方法
WO2020214383A1 (fr) * 2019-04-15 2020-10-22 Robert Bosch Gmbh Module de batterie comprenant des ensembles barres omnibus isolantes
CN113994531A (zh) * 2019-04-15 2022-01-28 罗伯特·博世有限公司 具有绝缘汇流条组件的电池模块
CN113994536A (zh) * 2019-08-30 2022-01-28 松下知识产权经营株式会社 蓄电模块
WO2021039550A1 (fr) * 2019-08-30 2021-03-04 パナソニックＩｐマネジメント株式会社 Module de stockage électrique
WO2021039551A1 (fr) * 2019-08-30 2021-03-04 パナソニックＩｐマネジメント株式会社 Module de stockage d'énergie
EP4024420A4 (fr) * 2019-08-30 2022-11-09 Panasonic Intellectual Property Management Co., Ltd. Module de stockage électrique
JP2022523987A (ja) * 2019-11-25 2022-04-27 エルジー エナジー ソリューション リミテッド バッテリーモジュール及びバッテリーパック
CN113767514A (zh) * 2019-11-25 2021-12-07 株式会社Lg新能源 电池模块及电池组
JP7285946B2 (ja) 2019-11-25 2023-06-02 エルジー エナジー ソリューション リミテッド バッテリーモジュール及びバッテリーパック
WO2021107429A1 (fr) * 2019-11-25 2021-06-03 주식회사 엘지에너지솔루션 Module de batteries et bloc-batterie
WO2021221306A1 (fr) * 2020-04-29 2021-11-04 주식회사 엘지에너지솔루션 Module de batterie et bloc-batterie le comprenant
EP4145618A4 (fr) * 2020-05-18 2023-11-08 BYD Company Limited Batterie, bloc-batterie et véhicule
JP2023528041A (ja) * 2021-02-22 2023-07-03 エルジー エナジー ソリューション リミテッド バッテリーパック及びこれを含む自動車
WO2022255100A1 (fr) 2021-06-04 2022-12-08 株式会社Ｇｓユアサ Dispositif de stockage d'énergie

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JPWO2017169728A1 (ja) 2019-02-14

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