US20120164490A1 - Battery module - Google Patents

Battery module Download PDF

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Publication number
US20120164490A1
US20120164490A1 US13/394,272 US201013394272A US2012164490A1 US 20120164490 A1 US20120164490 A1 US 20120164490A1 US 201013394272 A US201013394272 A US 201013394272A US 2012164490 A1 US2012164490 A1 US 2012164490A1
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Prior art keywords
space
cells
gas
case
released
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US13/394,272
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English (en)
Inventor
Toshiki Itoi
Shunsuke Yasui
Hiroshi Takasaki
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Panasonic Intellectual Property Management Co Ltd
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Panasonic Corp
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Assigned to PANASONIC CORPORATION reassignment PANASONIC CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TAKASAKI, HIROSHI, ITOI, TOSHIKI, YASUI, SHUNSUKE
Publication of US20120164490A1 publication Critical patent/US20120164490A1/en
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. reassignment PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PANASONIC CORPORATION
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. reassignment PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. CORRECTIVE ASSIGNMENT TO CORRECT THE ERRONEOUSLY FILED APPLICATION NUMBERS 13/384239, 13/498734, 14/116681 AND 14/301144 PREVIOUSLY RECORDED ON REEL 034194 FRAME 0143. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Assignors: PANASONIC CORPORATION
Abandoned legal-status Critical Current

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    • 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
    • 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
    • H01M10/64—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
    • H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
    • 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
    • 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
    • H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
    • 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
    • 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
    • H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
    • 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
    • H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
    • H01M50/358—External gas exhaust passages located on the battery cover or case
    • 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
    • H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
    • H01M50/367—Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems
    • 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
    • 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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • 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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/505—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising a single busbar
    • 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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • H01M50/512—Connection only in parallel
    • 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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/521—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the material
    • H01M50/522—Inorganic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present disclosure relates to battery modules in each of which a plurality of batteries are housed in a case, and more particularly to a battery module including a release mechanism for releasing a gas from a battery to outside the case with safety.
  • Battery packs in each of which a plurality of batteries are housed in a case so as to output a predetermined voltage and have a predetermined capacity are widely used as power sources for various equipment and vehicles.
  • This module technique enables reduction in size and weight of battery modules by enhancing performance of batteries housed in battery modules, and therefore, has advantages such as improved workability in packaging battery packs and high flexibility in installing battery modules in limited space of vehicles or the like.
  • Patent Document 1 shows a power source device including a release mechanism in which a case housing a plurality of batteries is divided by a partition into a battery space housing the batteries and a release space through which a high-temperature gas from the batteries is released and in which openings of safety valves of the batteries communicate with an exhaust room.
  • This configuration of the release mechanism allows a high-temperature gas from the safety valves of the batteries to flow into the exhaust space while preventing the high-temperature gas from flowing into the battery space, and to be released to outside the case through an outlet of the case. In this manner, it is possible to prevent adjacent batteries from being exposed to a high-temperature gas from an abnormal battery, thereby reducing a harmful influence on normal batteries.
  • the release mechanism shown in Patent Document 1 provides a hermetically sealed structure with the exhaust space, thereby preventing a gas which has flown into the release space through an opening of a battery from flowing into the battery space again. For this reason, this release mechanism is advantageous in preventing a secondary degradation of normal batteries.
  • a gas which has flown into the exhaust space can be at a high temperature of 1000° C. or more in some cases, and might react with oxygen to cause combustion.
  • the exhaust space is exposed to a high temperature, and the batteries housed in the battery space still have the possibility of being affected by the high temperature.
  • the present disclosure employs a configuration in which a case housing a plurality of cells is divided by a partition into two spaces: a housing space housing the cells and an exhaust duct for releasing a gas from the cells and in which the exhaust duct is further divided by a partition into two spaces. Openings through which a gas generated in the cells is released communicate with a first space, and the first space communicates with a second space through a through hole formed in the partition.
  • a gas from the vents of the cells is adiabatically expanded in the first space to have its temperature reduced to a temperature at which the gas does not cause combustion, and then is adiabatically expanded in the second space to have its temperature reduced to a temperature a temperature at which no significant problems occur even when the gas is released to outside the case. Accordingly, a high-temperature gas from an abnormal battery can be released to outside the case with safety without an influence on other normal batteries. As a result, a safe battery module can be achieved.
  • the volume of the first space is adjusted such that when a gas at a high temperature released from the vent of the cell to the first space by adiabatic expansion is released from the first space to the second space, this gas has a temperature equal to or lower than a temperature at which the gas does not cause combustion.
  • the volume of the second space is adjusted such that when a gas released from the first space to the second space by adiabatic expansion is released from the second space to outside the case, this gas has a temperature equal to or lower than a temperature at which no significant problems occur even when the gas is released to outside the case.
  • a battery module in an aspect of the present disclosure is a battery module in which a plurality of cells are arranged and housed in a case. Each of the cells has a vent through which a gas generated in the cell is released to outside the cell.
  • the case is divided, by a flat plate provided at same sides of the cells, into a housing space housing the cells and an exhaust duct for releasing a gas from the vents of the cells to outside the case.
  • Each of the vents of the cells communicates with the exhaust duct through an opening formed in the flat plate.
  • the exhaust duct is divided into a first space and a second space by a partition provided between the flat plate and an external plate or a bottom of the case. The first space communicates with the second space through a through hole formed in the partition. A gas from the vents of the cells is released to the first space through the opening formed in the flat plate, is guided to the second space through the through hole formed in the partition, and then is released to outside the case.
  • the flat plate separating the housing space and the exhaust duct from each other is a circuit board, and the circuit board includes a connection plate on which at least electrodes of the cells at one side are connected in parallel.
  • the flat plate separating the housing space and the exhaust duct from each other may be a metal bus bar on which at least electrodes of the cells at one side are connected in parallel.
  • the flat plate provided to the same sides of the cells can additionally have a function of electrically connecting the cells, as well as a function of separating the housing space and the exhaust duct from each other. As a result, the size of the battery module can be reduced.
  • a high-temperature gas from an abnormal battery can be released to outside a case without an influence on other normal batteries.
  • a battery module with a high degree of safety can be obtained.
  • FIG. 1 is a cross-sectional view schematically illustrating a configuration of a battery for use in a battery module according to a first embodiment of the present disclosure.
  • FIG. 2 is a cross-sectional view schematically illustrating a configuration of the battery module of the first embodiment.
  • FIG. 3 is an enlarged cross-sectional view illustrating a portion near an end of a cell to which a flat plate is provided.
  • FIG. 4 is a partial cross-sectional view showing a positional relationship between the cell and the flat plate in a case where a vent of the cell is formed in a side of a projection of a positive electrode terminal.
  • FIGS. 5( a )- 5 ( c ) are partial cross-sectional views each showing a path of a gas released from vents of cells.
  • FIG. 6 is a cross-sectional view schematically illustrating a configuration of a battery module 200 according to a variation of the first embodiment.
  • FIGS. 7( a ) and 7 ( b ) are views illustrating a connection structure among electrodes of cells
  • FIG. 7( a ) is a disassembled perspective view
  • FIG. 7( b ) is an enlarged cross-sectional view illustrating a portion near positive electrode terminals of the cells.
  • FIG. 8 is a perspective view illustrating a battery assembly according to a second embodiment of the present disclosure.
  • FIG. 9 is a disassembled perspective view illustrating the battery assembly of the second embodiment.
  • FIGS. 10( a ) and 10 ( b ) are enlarged views illustrating a region XA and a region XB, respectively, shown in FIG. 9 .
  • FIG. 11 shows plan views illustrating a negative electrode bus bar, an insulating plate, and a positive electrode bus bar, respectively, constituting a connection group.
  • FIG. 12 is a partial cross-sectional view in which adjacent cells are connected in parallel.
  • FIG. 13 is a perspective view illustrating a configuration of a group of battery assemblies in each of which cells are connected in parallel.
  • FIG. 14 is a partial cross-sectional view illustrating a connection structure between two cells and taken along the line XIV-XIV in FIG. 13 .
  • FIG. 15 is a disassembled perspective view illustrating a battery module according to a specific example of the present disclosure.
  • FIG. 16 is a perspective view illustrating the battery module of the specific example.
  • FIGS. 17( a ) and 17 ( b ) show a structure of a partition
  • FIG. 17( a ) is a perspective view
  • FIG. 17( b ) is a plan view.
  • FIGS. 18( a ) and 18 ( b ) show a structure of an intermediate panel, FIG. 18( a ) is a perspective view, and FIG. 18( b ) is a plan view.
  • FIG. 19 is a cross-sectional view taken along the direction in which the battery assemblies of a battery module are connected in series.
  • FIG. 20 is a cross-sectional view schematically illustrating a configuration of a battery module according to a third embodiment.
  • FIG. 21 is a plan view illustrating a variation of the battery module of the third embodiment.
  • FIG. 22 is a perspective view illustrating a configuration of a battery pack in which a plurality of battery modules are arranged in parallel.
  • FIG. 23( a ) is a cross-sectional perspective view illustrating a configuration of a battery module
  • FIG. 23( b ) is a partial cross-sectional view of the battery module.
  • FIG. 24 is a perspective view in which a first exhaust duct and a second exhaust duct are in contact with one battery module.
  • FIG. 25 is a disassembled perspective view illustrating the structure shown in FIG. 24 .
  • FIG. 1 is a cross-sectional view schematically illustrating a configuration of a battery 100 to be used in a battery module according to a first embodiment of the present disclosure.
  • a battery to be used in the battery module of the present disclosure may be a battery which can be used alone as a power source for mobile electronic equipment such as a laptop computer (and a battery to be used in a battery module will be referred to as a “cell” hereinafter).
  • a battery to be used in a battery module will be referred to as a “cell” hereinafter.
  • high-performance general-purpose battery can be used as a cell of a battery module, and thus, performance of the battery module can be more easily enhanced at lower cost.
  • a cylindrical lithium ion secondary battery as illustrated in FIG. 1 may be employed, for example.
  • This lithium ion secondary battery has a general structure, and has a safety mechanism which releases gas to outside the battery when the pressure in the battery increases due to occurrence of, for example, an internal short circuit.
  • the structure of the cell 100 will be specifically described with reference to FIG. 1 .
  • an electrode group 4 in which a positive electrode 1 and a negative electrode 2 are wound with a separator 3 interposed therebetween is housed in a battery case 7 together with a nonaqueous electrolyte. Insulating plates 9 and 10 are respectively placed on the top and bottom of the electrode group 4 .
  • the positive electrode 1 is joined to a filter 12 with a positive electrode lead 5 interposed therebetween.
  • the negative electrode 2 is joined to the bottom of the battery case 7 also serving as a negative electrode terminal, with a negative electrode lead 6 interposed therebetween.
  • the filter 12 is connected to an inner cap 13 which has a projection joined to a metal safety valve 14 .
  • the valve 14 is connected to a terminal plate 8 also serving as a positive electrode terminal.
  • the terminal plate 8 , the valve 14 , the inner cap 13 , and the filter 12 serve as a unit, and seal an opening of the battery case 7 with a gasket 11 interposed therebetween.
  • the safety mechanism for releasing a gas generated in the cell 100 to the outside is not limited to the structure illustrated in FIG. 1 , and may have other structures.
  • FIG. 2 is a cross-sectional view schematically illustrating a structure of a battery module 200 according to this embodiment.
  • each of the cells 100 includes the vent 8 a for releasing a gas generated in the cell 100 to outside the cell 100 .
  • the case 20 is divided into a housing space 50 housing a plurality of cells 100 and an exhaust duct 60 for releasing a gas from the vents 8 a of the cells 100 to outside the case 20 , by a flat plate 30 disposed at the same sides (toward the positive electrode terminals 8 in this embodiment) of the cells 100 .
  • the vents 8 a of the cells 100 communicate with the exhaust duct 60 through openings 30 a formed in the flat plate 30 .
  • the exhaust duct 60 is divided, by a partition 40 placed between the flat plate 30 and an external plate (lid) 21 of the case 20 , into a first space 61 defined between the partition 40 and the flat plate 30 and a second space 62 defined between the partition 40 and the external plate 21 of the case 20 .
  • the first space 61 communicates with the second space 62 through a through hole 40 a formed in the partition 40 .
  • the exhaust duct thus configured allows a gas from the vents 8 a of the cells 100 to be released to the first space 61 through the openings 30 a formed in the flat plate 30 , guided to the second space 62 through the through holes 40 a in the partition 40 , and then released to outside the case 20 through a release outlet 22 provided in the case 20 .
  • the flat plate 30 is in close contact with the same sides (i.e., toward the positive electrode terminals 8 in this embodiment) of the cells 100 , and thus, the housing space 50 is hermetically sealed by the flat plate 30 . Accordingly, a gas released to the first space 61 from the vents 8 a of the cells 100 through the openings 30 a of the flat plate 30 does not return to the housing space 50 again.
  • FIG. 3 is an enlarged cross-sectional view illustrating a portion near an end of a cell 100 to which the flat plate 30 is provided.
  • a shoulder 7 a of the battery case 7 and the flat plate 30 are in close contact with each other with the elastic member 31 interposed therebetween. Accordingly, a gas released from the vent 8 a formed in the projection of the positive electrode terminal 8 does not return to the housing space again because the housing space of the cell 100 is hermetically sealed by the flat plate 30 .
  • the elastic member 31 may be adhesive. In this case, the cell 100 can be held by the flat plate 30 .
  • the flat plate 30 may be in direct contact with the shoulder 7 a of the battery case 7 with the elastic member 31 not interposed therebetween.
  • FIG. 4 is a partial cross-sectional view showing a positional relationship between the cell 100 and the flat plate 30 in a case where a vent 8 a of the cell 100 is formed in a side of the projection of the positive electrode terminal 8 .
  • the opening 30 a formed in the flat plate 30 has a ring shape, and thus, the battery case 7 and the flat plate 30 can be in close contact with each other even on a flat portion of the projection of the positive electrode terminal 8 .
  • This configuration allows the elastic member to be adhesive, thereby further enhancing the function of holding the cell 100 .
  • the “flat plate 30 ” herein is not necessarily flat, and may be a plate having unevenness according to the shape of the battery case 7 , for example, as long as the plate is flat as a whole.
  • the state of being “hermetically sealed” herein does not necessarily mean a state of being completely sealed, and includes a sealed state in which a negligible amount of gas returns from the exhaust duct 60 to the housing space 50 .
  • a gas released from the vents 8 a of the cells 100 to the exhaust duct 60 is adiabatically expanded in the exhaust duct 60 , thereby causing a decrease in temperature of the gas.
  • the gas released from the vents 8 a of the cells 100 can be at a temperature of 1000° C. or more in some cases, if the temperature of the adiabatically expanded gas does not decrease to a temperature at which the gas does not react with oxygen, the gas might react with ambient oxygen to cause combustion.
  • the gas temperature decrease due to adiabatic expansion depends on the capacity of the exhaust duct. Since the gas released to the exhaust duct is released to outside the case 20 while pushing oxygen in the exhaust duct out, the amount of a gas which reacts with oxygen to cause combustion during adiabatic expansion depends on the volume of the exhaust duct (i.e., the amount of oxygen). Accordingly, to prevent a gas released from the vents 8 a of the cells 100 from reacting with oxygen to continuously cause combustion, it is necessary to cause adiabatic expansion in an exhaust duct whose volume is as small as possible so as to reduce the gas temperature to a temperature at which the gas does not react with oxygen. To satisfy this necessity, the volume of the exhaust duct needs to be controlled near the vents 8 a of the cells 100 through which a high-temperature gas is released.
  • the first space 61 of the present disclosure is provided to achieve the control described above.
  • the volume of the first space 61 is adjusted such that when a gas at a high temperature released from the vent 8 a of the cell 100 to the first space 61 by adiabatic expansion is released from the first space 61 to the second space 62 , this gas has a temperature equal to or lower than a temperature at which the gas does not react with oxygen.
  • the volume of the first space 61 can be appropriately adjusted in consideration of performance of the cells 100 to be used, the type of an electrolyte (i.e., the type of a gas to be generated).
  • the volume of the first space 61 for achieving the temperature described above may be obtained through a simulation using a model of adiabatic expansion, or may be obtained through various experiments. Specifically, as an example of a simple experiment, the vent 8 a of the cell 100 is formed to have a space having a certain volume, and a release outlet from this space to the atmosphere is provided. Then, a nail is driven in the battery case 7 of the cell 100 to cause an internal short circuit as a simulation, resulting in gushing of a high-temperature gas from the vent 8 a . By selecting the volume of the space, the gas otherwise gushing from the release outlet with a spark and fire can be changed into smoke in a state in which fire has been extinguished. In this manner, the volume of the first space 61 can be determined.
  • the first space 61 communicates with the second space 62 through the through holes 40 a formed in the partition 40 . Accordingly, the location of the through holes 40 a affects a path through which a high-temperature gas from the vents 8 a of the cells 100 flows from the first space 61 to the second space 62 . In view of this, the volume of the first space 61 may be further adjusted in consideration of the location of the through holes 40 a.
  • the space 61 is not open but closed in the lateral direction in FIG. 5( a ). Accordingly, as illustrated in FIG. 5( a ), in a case where the through holes 40 a are arranged at the same pitch as the cells 100 , a path through which a high-temperature gas from the vents 8 a of the cells 100 flows from the first space 61 to the second space 62 is a path indicated by arrows in most part.
  • the first space 61 is expected to be substantially controlled by a space in the range indicated by A.
  • a path through which a high-temperature gas from the vents 8 a of the cells 100 flows from the first space 61 to the second space 62 is a path indicated by arrows in most part.
  • the first space 61 is expected to be substantially controlled by a space in the range indicated by B.
  • the location of the through holes 40 a can substantially control the volume of the first space 61 .
  • the volume of the first space 61 may be controlled by further dividing the first space into a plurality of subspaces 63 by side walls 41 .
  • the control of the first space 61 is not strictly defined. Effective advantages of the present disclosure can be achieved by dividing the exhaust duct 60 into the first space 61 and the second space 62 to adjust the volume of the first space 61 communicating with the vents 8 a of the cells 100 .
  • the volume of the second space 62 is adjusted such that when a gas released from the first space 61 to the second space 62 by adiabatic expansion is released from the second space 62 to outside the case 20 , the gas has a temperature equal to or lower than a temperature at which no significant problems occur even when the gas is released to outside the case. Since the gas released from the space 61 to the second space 62 is changed to be at a temperature at which the gas does not react with oxygen in the first space 61 , the possibility of combustion of the gas is eliminated in the second space 62 .
  • each of the external plate 21 and the partition 40 may be made of a material having a high thermal conductivity, such as aluminium or iron. In this case, an advantage of a temperature decrease by conduction of heat can be achieved in addition to an advantage of a temperature decrease by adiabatic expansion.
  • the exhaust duct 60 is divided into the first space 61 and the second space 62 .
  • the exhaust duct 60 may be divided into three or more spaces by a plurality of partitions.
  • the second space 62 is not necessarily formed between the partition 40 and the case 20 .
  • the second space 62 may be placed between the partition 40 and a second partition provided between the partition 40 and the external plate 21 .
  • the space formed between the second partition and the external plate may be a flow path through which a refrigerant flows. This configuration can more efficiently reduce the temperature of a gas in the second space 62 .
  • the vents 8 a of the cells 100 are formed in projections (flat portions or sides) of the positive electrode terminals 8 , but may be formed in the bottoms of the battery case 7 serving as the negative electrode terminals.
  • the flat plate 30 is provided toward the negative electrode terminals of the cells 100
  • the exhaust duct 60 is formed between the flat plate 30 and the bottom of the case 20 .
  • the vents 8 a formed in the bottoms of the battery cases 7 communicate with the exhaust duct 60 through the openings 30 a formed in the flat plate 30 .
  • the exhaust duct 60 is separated from the housing space 50 by a plate disposed at the same sides (i.e., toward the positive electrode terminals or the negative electrode terminals) of the cells 100 .
  • This configuration is obtained by arranging the cells 100 in the case 20 with the polarities of the cells 100 oriented in the same direction.
  • FIG. 6 is a cross-sectional view schematically illustrating a configuration of the battery module 200 according to a variation of the first embodiment. As illustrated in FIG. 6 , this variation is different from the first embodiment in that the cells 100 are arranged with their polarities alternately oriented in opposite directions.
  • the cells 100 are housed in the case 20 in such a manner that the positions of the positive electrode terminals 8 alternate between the top and the bottom, specifically, the positive electrode terminal 8 of the cell 100 a is positioned at the top and the positive electrode terminal 8 of the cell 100 b adjacent to the cell 100 a is positioned at the bottom.
  • the vents 8 a from which a gas generated in the cells 100 is released are formed in the projections of the positive electrode terminals 8 .
  • the flat plate 30 separating the housing space 50 and the exhaust duct 60 is disposed at each end of each of the cells 100 , resulting in that the exhaust duct 60 is formed as two exhaust ducts 60 a and 60 b respectively located at the bottom and the top of the case 20 and sandwiching the housing space 50 .
  • Each of the vents 8 a of the cells 100 communicates with one of the exhaust ducts 60 a and 60 b through the opening 30 a formed in the flat plate 30 .
  • the exhaust duct 60 a at the top of the case 20 is divided, by a partition 40 placed between the flat plate 30 and the external plate 21 of the case 20 , into a first space 61 a formed between the partition 40 and the flat plate 30 and a second space 62 a formed between the partition 40 and the external plate 21 of the case 20 .
  • the first space 61 a communicates with the second space 62 a through the through holes 40 a formed in the partition 40 .
  • the exhaust duct 60 b at the bottom of the case 20 is divided, by a partition 40 placed between the flat plate 30 and the bottom 23 of the case 20 , into a first space 61 b formed between the partition 40 and the flat plate 30 and a second space 62 b formed between the partition 40 and the bottom 23 of the case 20 .
  • the first space 61 b communicates with the second space 62 b through the through holes 40 a formed in the partition 40 .
  • a gas is released from the vents 8 a of the cells 100 to the first space 61 a , 61 b through the openings 30 a formed in the flat plate 30 , is guided to the second space 62 a , 62 b through the through holes 40 a formed in the partition 40 , and then is released to outside the case 20 through the release outlet 22 provided in the case 20 .
  • connection plate can be advantageously formed to be in the shape of a simple plate in connecting the cells 100 in series.
  • the housing space 50 housing the cells 100 and the exhaust duct 60 for releasing a gas from the vents 8 a of the cells 100 are separated from each other by the flat plate 30 .
  • the flat plate 30 may have a function of electrically connecting the electrodes of the cells 100 .
  • FIGS. 7( a ) and 7 ( b ) are views illustrating a connection structure among the electrodes of the cells 100 connected in a line (hereinafter referred to as a “battery assembly”). Specifically, FIG. 7( a ) is a disassembled perspective view, and FIG. 7( b ) is an enlarged cross-sectional view illustrating a portion near positive electrode terminals 8 of the cells 100 .
  • a positive electrode connection plate 70 and a negative electrode connection plate 73 are formed on the surface of a circuit board 30 , and openings 70 a are formed in the positive electrode connection plate 70 .
  • openings 30 a are formed in the circuit board 30 .
  • Negative electrode terminals of the cells 100 i.e., the bottoms of the battery cases
  • are connected in parallel by a negative electrode bus bar 81 and are connected to the negative electrode connection plate 73 on the circuit board 30 through a conductive part 72 extending from the negative electrode bus bar 81 .
  • the cells 100 are connected in parallel by the positive electrode connection plate 70 and the negative electrode connection plate 73 formed on the circuit board 30 .
  • projections of positive electrode terminals 8 of the cells 100 are inserted in the openings 30 a of the circuit board 30 to be connected to the positive electrode connection plate 70 formed on the circuit board 30 .
  • the circuit board 30 is brought into contact with the battery cases with an elastic member 31 interposed therebetween.
  • the vents 8 a of the cells 100 communicate with an exhaust duct (not shown) through the openings 70 a of the positive electrode connection plate 70 .
  • a gas from the vents 8 a of the cells 100 is released to the exhaust duct through openings 30 a formed in the circuit board 30 .
  • the circuit board 30 hermetically seals a housing space (not shown) for the cells 100 , the gas released to the exhaust duct does not return to the housing space again.
  • the flat plate 30 having the function of electrically connecting the electrodes of the cells 100 is not necessarily a circuit board made of an insulating member, and may be a connection plate made of a metal member (hereinafter referred to as a “metal bus bar”).
  • connection structure among the electrodes of the cells 100 using a metal bus bar will be described hereinafter with reference to FIGS. 8-14 .
  • FIG. 8 is a perspective view illustrating a battery assembly 300 according to this embodiment.
  • FIG. 9 is a disassembled perspective view illustrating the battery assembly 300 .
  • the battery cases of the cells 100 are exposed in this embodiment. Accordingly, in the cells 100 , not only the bottom surfaces of the battery cases but also side surfaces and top surfaces thereof can serve as negative electrode terminals.
  • the positive electrode bus bar 83 and the negative electrode bus bar 81 connecting the positive electrodes and the negative electrodes of the cells 100 in parallel are in contact with the battery cases with the insulating plate 82 interposed between of the battery case and the bus bars 83 and 81 at the side of the positive electrode terminals of the cells 100 .
  • the positive electrode terminals 8 of the cells 100 are connected to the positive electrode bus bar 83 through positive electrode connection strips 84 .
  • connection group 85 including the negative electrode bus bar 81 , the insulating plate 82 , the positive electrode bus bar 83 , and the connection strips 84 is locally placed at the side of the positive electrode terminals 8 of the cells 100 , thereby further reducing the size of the battery assembly 300 .
  • the negative electrode bus bar 81 and the positive electrode bus bar 83 have specific shapes, which will be described later.
  • FIGS. 10( a ) and 10 ( b ) are enlarged views illustrating a region XA and a region XB, respectively, shown in FIG. 9 .
  • FIG. 11 shows plan views illustrating the negative electrode bus bar 81 , the insulating plate 82 , and the positive electrode bus bar 83 , respectively, constituting the connection group 85 .
  • FIG. 12 is a partial cross-sectional view in which adjacent cells 100 are connected in parallel.
  • the negative electrode bus bar 81 is, for example, a nickel plate having a thickness of 0.2 mm, and is configured to be in contact with the battery cases (i.e., the negative electrode terminals) of the cells 100 constituting the battery assembly 300 . As illustrated in FIG. 10( a ), this negative electrode bus bar 81 has a stepped portion 81 b extending along the longitudinal direction, and through holes 81 a and negative electrode connection strips 81 c are arranged to be spaced from one another along the longitudinal direction. As illustrated in FIG. 12 , when the negative electrode bus bar 81 is brought into contact with the battery cases, the positive electrode terminals 8 of the cells 100 are exposed in the through holes 81 a .
  • the negative electrode connection strips 81 c are welded to the outer peripheries of the battery cases to be fixed to the battery cases.
  • the bottoms (i.e., the negative electrode terminals) of the battery cases of the cells 100 may be connected in parallel by another metal bus bar 88 . In this case, the cells 100 can also be fixed.
  • the positive electrode bus bar 83 is, for example, a copper plate having a thickness of about 1 mm, and is provided on the negative electrode bus bar 81 with the insulating plate 82 interposed therebetween. As illustrated in FIG. 11 , the positive electrode bus bar 83 and the insulating plate 82 respectively have through holes 83 a and 82 a .
  • the through holes 83 a are spaced from one another along the longitudinal direction, and the through holes 82 a are also spaced from one another along the longitudinal direction.
  • the through holes 81 a , 82 a , and 83 a of the negative electrode bus bar 81 , the insulating plate 82 , and the positive electrode bus bar 83 communicate with one another. In this manner, as illustrated in FIG. 12 , the positive electrode terminals 8 of the cells 100 are exposed in the through holes 81 a , 82 a , and 83 a.
  • Each of the positive electrode connection strips 84 is, for example, a nickel plate having a thickness of 0.2 mm, and as illustrated in FIG. 10( b ), has a first connection strip 84 a , a second connection strip 84 b , and a stepped portion 84 c .
  • the first connection strip 84 a and the second connection strip 84 b sandwich the stepped portion 84 c , and have different heights.
  • the first connection strips 84 a are connected to the positive electrode terminals 8 of the cells 100
  • the second connection strips 84 b are connected to the upper surface of the positive electrode bus bar 83 . In this manner, the positive electrode terminals 8 of the cells 100 are connected to the positive electrode bus bar 83 through the positive electrode connection strips 84 .
  • connection structure among the electrodes in a case where a plurality of battery assemblies 300 illustrated in FIG. 8 are arranged to form a group of the battery assemblies will be described.
  • FIG. 13 is a perspective view illustrating a configuration of a group of four battery assemblies 300 in each of which 10 cells 100 are connected in parallel.
  • FIG. 14 is a partial cross-sectional view illustrating a connection structure between two cells 100 and taken along the line XIV-XIV in FIG. 13 .
  • the negative electrode bus bar 81 and the positive electrode bus bar 83 are in contact with the battery cases 7 of the cells 100 with the insulating plate 82 interposed therebetween.
  • an end 83 b of the positive electrode bus bar 83 in the lateral direction and the stepped portion 81 b of the negative electrode bus bar 81 in the lateral direction project in opposite directions with respect to a center line L connecting the centers of the through holes 83 a , 82 a , and 81 a . Accordingly, in adjacent cells 100 A and 100 B illustrated in FIG.
  • FIG. 15 is a disassembled perspective view illustrating a battery module of this specific example.
  • FIG. 16 is a perspective view illustrating the battery module.
  • a temperature adjustment unit 90 As illustrated in FIG. 15 , a temperature adjustment unit 90 , a battery assembly group 400 , a resin intermediate panel 93 , and a metal (e.g., aluminium) partition 40 are housed in a resin case 20 .
  • the top of the case 20 is covered with a metal (e.g., aluminium) external plate (lid) 21 .
  • the front of the case 20 is covered with a resin front panel 94 .
  • the battery assembly group 400 seven battery assemblies 300 each including 20 parallel-connected cells 100 are connected in series.
  • the cells 100 are series-parallel connected, i.e., connected in series in some places and in parallel in other places, by the connection group 85 illustrated in FIG. 9 .
  • a positive electrode terminal 87 of the battery assembly group 400 is connected to one of the positive electrode bus bars 83 constituting the battery assemblies 300 (see FIG. 12 ), and are connected to a positive electrode terminal 96 for external connection provided on the front panel 94 .
  • a negative electrode terminal 86 of the battery assembly group 400 is connected to one of the negative electrode bus bars constituting the battery assemblies 300 (see FIG. 12 ), and are connected to a negative electrode terminal 95 for external connection provided on the front panel 94 .
  • FIGS. 17( a ) and 17 ( b ) show a structure of the partition 40 .
  • FIG. 17( a ) is a perspective view
  • FIG. 17( b ) is a plan view.
  • the partition 40 is made of, for example, aluminium.
  • a plurality of through holes 40 a are formed at positions corresponding to the positive electrode terminals 8 of the cells 100 .
  • projections 40 b are arranged in two lines.
  • FIGS. 18( a ) and 18 ( b ) show a structure of the intermediate panel 93 .
  • FIG. 18( a ) is a perspective view
  • FIG. 18( b ) is a plan view.
  • the intermediate panel 93 is made of, for example, a resin, and is partitioned into four hollow portions 93 a along the parallel connection of the battery assemblies 300 , as illustrated in FIGS. 18 ( a ) and 18 ( b ).
  • the temperature adjustment unit 90 has holding portions 90 a in which the cells 100 constituting the battery assembly group 400 are inserted to be held.
  • a flow path though which a fluid flows is formed among the holding portions 90 a , 90 a , . . . .
  • inlet and outlet tubes 91 and 92 for supplying a fluid to the flow path are connected to the front panel 94 of the temperature adjustment unit 90 , and are inserted in through holes 98 and 99 formed in the front panel 94 .
  • FIG. 19 is a cross-sectional view taken along the direction in which the battery assemblies 300 of battery modules are connected in series.
  • the cells 100 are housed in the holding portions 90 a of the temperature adjustment unit 90 , and have their temperatures adjusted by the fluid flowing in a flow path 97 .
  • the case 20 is partitioned, by the connection group 85 provided on the positive electrode terminals 8 of the cells 100 , into a housing space housing the cells 100 and an exhaust duct 60 for releasing a gas from the vents 8 a of the cells 100 to outside the case 20 .
  • the vents 8 a of the cells 100 communicate with the exhaust duct 60 through the through holes 83 a , 82 a , and 81 a of the negative electrode bus bar 81 , the insulating plate 82 , and the positive electrode bus bar 83 constituting the connection group 85 .
  • the exhaust duct 60 is divided into a first space 61 and a second space 62 by a partition 40 provided between the connection group 85 and the external plate 21 of the case 20 .
  • the first space 61 communicates with the second space 62 through the through holes 40 a formed in the partition 40 .
  • the first space 61 is divided into a plurality of subspaces by hollow portions 93 a formed in the intermediate panel 93 .
  • a gas from the vents 8 a of the cells 100 is released to the first space 61 (i.e., the subspaces) through the through holes 83 a , 82 a , and 81 a of the connection group 85 , and is guided to the second space 62 through the through holes 40 a formed in the partition 40 , and then is released to outside the case 20 through the release outlet 22 formed in the front panel 94 .
  • the exhaust duct 60 is divided into the first space 61 and the second space 62 by the partition 40 , a gas released from the first space 61 to the second space 62 has a temperature equal to or lower than a temperature at which the gas does not react with oxygen, and thus, the possibility of combustion of a gas is eliminated in the second space 62 .
  • the second space 62 does not need to have a volume as small as possible for adiabatic expansion, and is allowed to have a relatively large volume as compared to the first space.
  • an exhaust space corresponding to the second space 62 does not need to be provided in the case 20 housing a plurality of cells 100 .
  • a battery module according to this embodiment employs a configuration in which a first exhaust space (corresponding to the first space 61 ) defined by a flat plate 30 placed at the same sides of the cells 100 is provided in a case 20 and a second exhaust space (corresponding to the second space 62 ) communicating with the first exhaust space is provided to be in contact with the case 20 .
  • the volume of the first exhaust space is adjusted such that when a gas released from vent 8 a of the cell 100 to the first exhaust space by adiabatic expansion is released from the first exhaust space to the second exhaust space, this gas has a temperature equal to or lower than a temperature at which the gas does not react with oxygen.
  • FIG. 20 is a cross-sectional view schematically illustrating a configuration of a battery module 200 according to this embodiment.
  • a plurality of cells 100 are arranged and housed in a case 20 .
  • the cells 100 have vents 8 a through which a gas generated in the cells 100 is released to outside the cells 100 .
  • the case 20 is divided, by a flat plate 30 provided at the same sides of the cells 100 , into a housing space 50 housing the cells 100 and a first exhaust space 61 c from which a gas from the vents 8 a of the cells 100 is released to outside the case 20 through a release outlet 22 provided in the case 20 .
  • the vents 8 a of the cells 100 communicate with the first exhaust space 61 c through openings 30 a formed in the flat plate 30 .
  • an exhaust duct 65 including a second exhaust space 62 c having an aperture 66 a communicating with the release outlet 22 is in contact with the case 20 .
  • a gas from the vents 8 a of the cells 100 is released to the first exhaust space 61 c through the openings 30 a formed in the flat plate 30 , is guided to the second exhaust space 62 c through the aperture 66 a , and then is released to outside the case 20 through a release outlet 66 b formed in the exhaust duct 65 .
  • the case 20 and the exhaust duct 65 may be formed as an integrated unit.
  • the battery module 200 includes the housing space 50 , the first exhaust space 61 c , and the exhaust duct 65 .
  • FIG. 21 is a plan view illustrating a variation of the battery module shown in FIG. 20 .
  • a plurality of (four in FIG. 21 ) of battery modules 200 in each of which a plurality of cells 100 are aligned are arranged in parallel.
  • an exhaust duct 65 including apertures 66 a communicating with the respective release outlets 22 of the battery modules 200 may be provided to be in contact with the cases 20 of the battery modules 200 .
  • the exhaust duct 65 shared by the battery modules 200 can increase the substantial volume ratio of the exhaust duct 65 to the exhaust spaces 61 c of the battery modules 200 .
  • a temperature decrease due to adiabatic expansion of a gas released from the first exhaust space 61 c to the second exhaust space 62 c can be facilitated.
  • FIG. 22 is a perspective view illustrating a configuration of a battery pack in which a plurality of (four in FIG. 22 ) battery modules 200 including series-parallel connected cells 100 housed in the case 20 as shown in FIG. 15 are arranged in parallel.
  • the battery modules 200 are in contact with the exhaust ducts 65 including the second exhaust spaces 62 c .
  • the first exhaust ducts 65 are in contact with second exhaust ducts 67 including third exhaust spaces 67 c.
  • FIG. 23( a ) is a cross-sectional perspective view illustrating a configuration of the battery module 200 .
  • FIG. 23( b ) is a partial cross-sectional view of the battery module 200 .
  • FIG. 24 is a perspective view in which the first exhaust duct 65 and the second exhaust duct 67 are in contact with one battery module 200 .
  • FIG. 25 is a disassembled perspective view illustrating the structure shown in FIG. 24 .
  • the first exhaust duct 65 has a plurality of apertures 66 a communicating with the first exhaust space 61 c of the battery module 200
  • the second exhaust duct 67 has a plurality of apertures 68 a communicating with the release outlet 66 b of each of the first exhaust ducts 65 .
  • a gas from the vents 8 a of the cells 100 is released to the first exhaust space 61 c , is guided to the second exhaust space 62 c through the apertures 66 a , and then is released to the outside through a release outlet 68 b provided in the second exhaust duct 67 .
  • the cells 100 are lithium ion secondary batteries, but may be other secondary batteries (e.g., nickel-metal hydride batteries).
  • the present disclosure is useful for power sources for driving automobiles, electric motorcycles, and electric play equipment, for example.

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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)
  • Inorganic Chemistry (AREA)
  • Battery Mounting, Suspending (AREA)
  • Gas Exhaust Devices For Batteries (AREA)
  • Connection Of Batteries Or Terminals (AREA)
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Cited By (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130130070A1 (en) * 2011-11-23 2013-05-23 Denso Corporation Battery unit
US20140255750A1 (en) * 2013-03-11 2014-09-11 Atieva, Inc. Z-Shaped Bus Bar for a Battery Pack
US20140255748A1 (en) * 2013-03-11 2014-09-11 Atieva, Inc. Bus bar for battery packs
TWI462375B (zh) * 2013-02-08 2014-11-21 Simplo Technology Co Ltd 具有電路板與電池裝置間之電連接結構的電池模組
DE102013209391A1 (de) * 2013-05-22 2014-11-27 Robert Bosch Gmbh Batteriezellenverbund
US8927136B2 (en) 2011-06-23 2015-01-06 Samsung Sdi Co., Ltd. Battery cover insulator system for fluid communication with battery vents
US20150037630A1 (en) * 2012-04-18 2015-02-05 Huawei Technologies Co., Ltd. Storage battery cabinet and storage battery system
US20150125720A1 (en) * 2012-08-09 2015-05-07 Sanyo Electric Co., Ltd. Power source device, electric vehicle provided with same, and electricity storage device
US20150155543A1 (en) * 2012-04-06 2015-06-04 Ferrari S.P.A. System for the storage of electric energy for a vehicle with electric propulsion and having cylindrical chemical batteries connected to each other in parallel and in series by means of u-shaped rigid connection elements
US20150155535A1 (en) * 2012-07-02 2015-06-04 Panasonic Intellectual Property Management Co., Ltd. Sealed secondary battery
US20150214525A1 (en) * 2014-01-29 2015-07-30 Samsung Sdi Co., Ltd. Battery module
US20150280189A1 (en) * 2014-03-31 2015-10-01 Gs Yuasa International Ltd. Energy storage apparatus
US9231237B2 (en) 2010-08-06 2016-01-05 Panasonic Intellectual Property Management Co., Ltd. Cell module
US20160093857A1 (en) * 2014-09-30 2016-03-31 Johnson Control Technology Company Battery module vent system and method
US20160093930A1 (en) * 2014-09-25 2016-03-31 Atieva, Inc. Battery Pack with Segmented, Electrically Isolated Heat Sink
US20160093931A1 (en) * 2014-09-25 2016-03-31 Atieva, Inc. Battery Pack with Segmented, Electrically Isolated Heat Sink
CN105531846A (zh) * 2013-10-31 2016-04-27 松下知识产权经营株式会社 电池模块
US20160141573A1 (en) * 2013-03-29 2016-05-19 Sanyo Electric Co., Ltd. Battery pack
US20160149192A1 (en) * 2013-08-08 2016-05-26 Panasonic Intellectual Property Management Co., Ltd. Battery unit
WO2016128837A1 (en) * 2015-02-09 2016-08-18 Acculogic Corporation Method and device for testing the connections of batteries
US20170025660A1 (en) * 2015-07-22 2017-01-26 Vitzrocell Co. Ltd. Battery assembly using printed circuit board substrate including bus bar
US9584126B2 (en) 2013-03-15 2017-02-28 Atieva, Inc. Bias circuit for a switched capacitor level shifter
US10074846B2 (en) * 2016-09-16 2018-09-11 Nio Usa, Inc. Battery module including a weldless busbar having an integrated fusible link
CN108604653A (zh) * 2016-01-26 2018-09-28 三洋电机株式会社 电池组
US10283743B2 (en) 2014-02-20 2019-05-07 Toyota Jidosha Kabushiki Kaisha Battery module
US20190198843A1 (en) * 2016-09-13 2019-06-27 Pellenc Device for electrically interconnecting battery elements, and battery of accumulators provided with such a device
CN110021725A (zh) * 2013-11-26 2019-07-16 日产自动车株式会社 电池组
CN110100325A (zh) * 2016-12-27 2019-08-06 松下知识产权经营株式会社 电池模块
US10388927B2 (en) * 2013-08-08 2019-08-20 Panasonic Intellectual Property Management Co., Ltd. Battery unit
US10446813B2 (en) 2017-09-27 2019-10-15 Lg Chem, Ltd. Battery module, and battery pack and vehicle including the same
CN111164793A (zh) * 2017-09-26 2020-05-15 株式会社丰田自动织机 蓄电模块
DE202019101373U1 (de) * 2019-03-11 2020-06-15 Hoppecke Batterien Gmbh & Co. Kg Batteriegestell
US10707462B1 (en) * 2019-08-28 2020-07-07 Manaflex, Llc Intracellular device for lithium ion batteries
US20200243823A1 (en) * 2019-01-24 2020-07-30 Tdk Corporation Battery pack
CN111584791A (zh) * 2020-06-22 2020-08-25 昆山宝创新能源科技有限公司 电池模组
US20210020977A1 (en) * 2018-04-06 2021-01-21 Sanyo Electric Co., Ltd. Battery
CN112688019A (zh) * 2020-12-25 2021-04-20 中国第一汽车股份有限公司 一种动力电池热流泄放装置及动力电池热流泄放方法
CN113273026A (zh) * 2019-12-17 2021-08-17 株式会社Lg化学 电池模块和包括该电池模块的电池组
US11158901B2 (en) 2017-02-16 2021-10-26 Lg Chem, Ltd. Lithium secondary battery pack including thermal expansion tape fixing pouch type battery cells and method of manufacturing same
CN113574727A (zh) * 2019-03-19 2021-10-29 三洋电机株式会社 电池模块
US20210359360A1 (en) * 2020-05-12 2021-11-18 Mahle International Gmbh Accumulator
US20210359374A1 (en) * 2020-05-12 2021-11-18 Samsung Sdi Co., Ltd. Battery system and vehicle including the battery system
US20220013854A1 (en) * 2020-07-10 2022-01-13 Contemporary Amperex Technology Co., Limited Battery, power consumption device, method and device for preparing a battery
US20220013849A1 (en) * 2020-07-10 2022-01-13 Contemporary Amperex Technology Co., Limited Battery, and related device, preparation method and preparation apparatus thereof
DE102020120042A1 (de) 2020-07-29 2022-02-03 Audi Aktiengesellschaft Batterie und Kraftfahrzeug mit Batterie
US11247572B2 (en) 2016-12-05 2022-02-15 Samsung Sdi Co., Ltd. Removable battery component carrier, battery system including removable battery component carrier, and vehicle including battery system
US20220059884A1 (en) * 2020-08-20 2022-02-24 Dr. Ing. H.C. F. Porsche Aktiengesellschaft High-voltage battery, method for producing same and motor vehicle having a battery of this type
US20220069411A1 (en) * 2019-01-25 2022-03-03 Sanyo Electric Co., Ltd. Battery pack
US11355804B2 (en) 2016-12-05 2022-06-07 Samsung Sdi Co., Ltd. Removable battery component carrier, battery system including removable battery component carriers and vehicle including the battery system
US11362397B2 (en) * 2019-05-20 2022-06-14 Audi Ag Energy storage device, motor vehicle, and housing cover assembly
US11394079B2 (en) * 2018-11-13 2022-07-19 Rivian Ip Holdings, Llc Battery cell pack thermal runaway mitigation
US11600877B2 (en) * 2016-06-20 2023-03-07 Commeo Gmbh Accumulator module having optimized heat dissipation
US20230117874A1 (en) * 2020-03-31 2023-04-20 Sanyo Electric Co., Ltd. Power supply device, and vehicle and electrical storage device each equipped with same
EP4213285A1 (en) * 2022-01-12 2023-07-19 SK On Co., Ltd. Battery device
US11751328B1 (en) 2022-02-22 2023-09-05 Cellink Corporation Flexible interconnect circuits and methods of fabrication thereof
US11791577B2 (en) 2020-10-02 2023-10-17 Cellink Corporation Forming connections to flexible interconnect circuits
US11791518B2 (en) 2020-07-10 2023-10-17 Contemporary Amperex Technology Co., Limited Battery, power consumption device, method and device for preparing a battery
US11876312B2 (en) 2020-10-02 2024-01-16 Cellink Corporation Methods and systems for terminal-free circuit connectors and flexible multilayered interconnect circuits
US11888180B2 (en) 2021-03-24 2024-01-30 Cellink Corporation Multilayered flexible battery interconnects and methods of fabricating thereof
US11894580B2 (en) 2014-09-10 2024-02-06 Cellink Corporation Battery interconnects
US11901555B2 (en) 2021-07-30 2024-02-13 Contemporary Amperex Technology Co., Limited Battery module, battery pack, and electric apparatus
US11916250B2 (en) 2021-01-13 2024-02-27 Ford Global Technologies, Llc Battery pack including vent gas passageway
US11950377B1 (en) 2022-04-15 2024-04-02 Cellink Corporation Flexible interconnect circuits for battery packs
US11967725B2 (en) 2020-07-10 2024-04-23 Contemporary Amperex Technology Co., Limited Case of battery, battery, power consumption device, and method and device for preparing battery
US11979976B2 (en) 2017-07-13 2024-05-07 Cellink Corporation Methods of forming interconnect circuits
US11990592B2 (en) 2020-11-17 2024-05-21 Contemporary Amperex Technology Co., Limited Battery, apparatus using battery, and manufacturing method and manufacturing device of battery

Families Citing this family (133)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102484235A (zh) 2010-07-30 2012-05-30 松下电器产业株式会社 电池模块
JP2014170613A (ja) * 2011-06-28 2014-09-18 Panasonic Corp 電池モジュール
WO2013018283A1 (ja) * 2011-07-29 2013-02-07 パナソニック株式会社 電池パック
JP6004282B2 (ja) 2011-07-29 2016-10-05 パナソニックＩｐマネジメント株式会社 電池モジュール
JP2014197452A (ja) * 2011-08-03 2014-10-16 パナソニック株式会社 電池モジュール
CN103931020B (zh) 2011-11-11 2016-08-17 松下知识产权经营株式会社 电池组
DE102012200869A1 (de) * 2012-01-23 2013-07-25 Robert Bosch Gmbh Batterie und Kraftfahrzeug
DE102012206483A1 (de) * 2012-04-19 2013-10-24 Robert Bosch Gmbh Akkumulatoreinheit
JP5942579B2 (ja) * 2012-05-11 2016-06-29 株式会社デンソー 電池ユニット
KR101936572B1 (ko) * 2012-07-26 2019-01-09 에스케이이노베이션 주식회사 밀폐형 배터리 모듈
WO2014038184A1 (ja) * 2012-09-05 2014-03-13 パナソニック株式会社 電池モジュール
US9034497B2 (en) * 2012-09-25 2015-05-19 Lg Chem, Ltd. Vehicle battery pack container
JP6136168B2 (ja) * 2012-09-28 2017-05-31 株式会社Ｇｓユアサ 組電池
WO2014065110A1 (ja) * 2012-10-25 2014-05-01 日産自動車株式会社 電池モジュールのガス排出構造
JP5761164B2 (ja) * 2012-11-30 2015-08-12 トヨタ自動車株式会社 組電池
JP2013253991A (ja) 2012-11-30 2013-12-19 Gs Yuasa Corp 蓄電素子の劣化後容量推定装置、劣化後容量推定方法及び蓄電システム
JP6279834B2 (ja) * 2013-02-20 2018-02-14 ホーチキ株式会社 蓄電装置及びそれを使用する移動体又は施設
US20160049626A1 (en) * 2013-03-29 2016-02-18 Sanyo Electric Co., Ltd. Cell block
CN103311462A (zh) * 2013-05-22 2013-09-18 南京双登科技发展研究院有限公司 方形锂离子电池壳体结构
KR101312102B1 (ko) 2013-07-12 2013-09-25 국방과학연구소 리튬 이차 전지
DE102013216071A1 (de) * 2013-08-14 2015-02-19 Robert Bosch Gmbh Galvanisches System umfassend eine Mehrzahl von galvanischen Zellen und eine Entgasungseinrichtung
KR101526513B1 (ko) * 2013-12-30 2015-06-11 (주)에스제이신소재 권취형 이차전지 전극 조립체가 직렬 및/또는 병렬로 연결된 일체형 이차전지
DE102014201165A1 (de) 2014-01-23 2015-08-06 Robert Bosch Gmbh Batterie-Pack mit Luftkühlung
DE102014201484A1 (de) * 2014-01-28 2015-07-30 Robert Bosch Gmbh Batteriesystem mit einer Mehrzahl von Batteriezellen und einem Batteriemanagementsystem
JP6299513B2 (ja) 2014-07-31 2018-03-28 株式会社Ｇｓユアサ 電源パック
CN104134772B (zh) * 2014-08-16 2017-02-01 江苏华锋新能源科技有限公司 一种动力电池充电气体收集装置
DE102014012568B4 (de) * 2014-08-29 2023-03-02 Stöbich Technology Gmbh Akkumulatorvorrichtung
US9825343B2 (en) 2014-09-30 2017-11-21 Johnson Controls Technology Company Battery module passive thermal management features and positioning
US10720683B2 (en) 2014-09-30 2020-07-21 Cps Technology Holdings Llc Battery module thermal management features for internal flow
US10658717B2 (en) 2014-09-30 2020-05-19 Cps Technology Holdings Llc Battery module active thermal management features and positioning
CN104362399B (zh) * 2014-11-12 2017-08-15 江苏索尔新能源科技股份有限公司 一种防爆式电池组
US20160218338A1 (en) * 2015-01-22 2016-07-28 Ford Global Technologies, Llc Battery pack venting assembly and method
KR101657394B1 (ko) * 2015-02-03 2016-09-13 삼성에스디아이 주식회사 배터리 모듈
CN107615567A (zh) 2015-02-18 2018-01-19 Ttb控股有限公司 具有冷却系统的锂离子电池模块
US10511002B2 (en) * 2015-02-25 2019-12-17 Panasonic Intellectual Property Management Co., Ltd. Battery module
EP3266056B1 (en) 2015-03-06 2020-07-15 Sterling PBES Energy Solutions Ltd. Battery module with thermal runaway and gas exhaust management system
JP2017010778A (ja) * 2015-06-22 2017-01-12 カルソニックカンセイ株式会社 組電池及び電源装置
JP6606907B2 (ja) * 2015-07-30 2019-11-20 株式会社Ｇｓユアサ 蓄電装置
DE102015121107A1 (de) * 2015-12-03 2017-06-08 Airbus Defence and Space GmbH Elektrische Energiespeichervorrichtung
KR102471222B1 (ko) * 2016-04-08 2022-11-28 엘에스머트리얼즈 주식회사 울트라 캐패시터 모듈 및 인쇄회로기판 모듈
JP6350592B2 (ja) 2016-05-24 2018-07-04 トヨタ自動車株式会社 車載用電池モジュール
WO2018023050A1 (en) * 2016-07-29 2018-02-01 Crynamt Management Llc High-density battery pack
WO2018022964A1 (en) 2016-07-29 2018-02-01 Crynamt Management Llc Battery packs having structural members for improving thermal management
US11757149B1 (en) 2016-09-20 2023-09-12 Apple Inc. Battery liquid quench system and methods of manufacture thereof
JP6855211B2 (ja) * 2016-10-26 2021-04-07 三洋電機株式会社 電源装置
JP6967746B2 (ja) * 2016-11-30 2021-11-17 パナソニックＩｐマネジメント株式会社 電池モジュール
US10923788B1 (en) 2016-11-30 2021-02-16 Apple Inc. Directed quench systems and components
EP3331055B1 (en) * 2016-12-05 2020-09-16 Samsung SDI Co., Ltd. Battery system including removable battery component carriers
CN106711385A (zh) * 2017-01-17 2017-05-24 华霆（合肥）动力技术有限公司 一种电池模组及动力系统
EP3574538B1 (en) 2017-01-27 2024-03-06 CPS Technology Holdings LLC Battery housing
US11870092B1 (en) 2017-02-01 2024-01-09 Apple Inc. On-board vent gas abatement
CN108735927A (zh) * 2017-04-21 2018-11-02 上海蔚来汽车有限公司 通用单元以及电池模组
US11936032B2 (en) 2017-06-09 2024-03-19 Cps Technology Holdings Llc Absorbent glass mat battery
EP3635805B1 (en) 2017-06-09 2023-09-06 CPS Technology Holdings LLC Lead-acid battery
JP7174707B2 (ja) * 2017-09-29 2022-11-17 三洋電機株式会社 電源装置
DE102017218578A1 (de) * 2017-10-18 2019-04-18 Bayerische Motoren Werke Aktiengesellschaft Speichereinrichtung zum Speichern von elektrischer Energie, insbesondere für ein Kraftfahrzeug
TWM559515U (zh) * 2017-12-05 2018-05-01 財團法人工業技術研究院 電池匯流排
KR102248229B1 (ko) 2018-01-15 2021-05-03 주식회사 엘지화학 가스 배출 구조가 형성된 배터리 모듈
US11469471B1 (en) 2018-02-02 2022-10-11 Apple Inc. Battery pack heat dispensing systems
JP7320758B2 (ja) * 2018-04-06 2023-08-04 パナソニックＩｐマネジメント株式会社 電池モジュール
CN108550751B (zh) * 2018-06-07 2020-12-01 安徽风驰新能源科技股份有限公司 一种户外电力储存锂电池电箱
DE102018210151A1 (de) * 2018-06-21 2019-12-24 Bayerische Motoren Werke Aktiengesellschaft Fahrzeug mit einem Hochvoltspeicher
DE102018210152A1 (de) 2018-06-21 2019-12-24 Bayerische Motoren Werke Aktiengesellschaft Fahrzeug mit einem Hochvoltspeicher
IT201800006642A1 (it) * 2018-06-25 2019-12-25 Modulo di alimentazione elettrica e metodo per assemblarlo
CN112567564B (zh) * 2018-08-23 2024-01-09 松下知识产权经营株式会社 电池模块
DE102018125446A1 (de) * 2018-10-15 2020-04-16 Webasto SE Batteriegehäuse mit Funkenfalle
KR102497913B1 (ko) 2018-12-12 2023-02-09 주식회사 엘지에너지솔루션 전지셀의 보관 케이스 및 이를 포함하는 보관 장치
US10950833B2 (en) 2018-12-28 2021-03-16 Caterpillar Inc. Battery packaging assembly with safety features to reduce thermal propagation
CN111384328A (zh) * 2018-12-29 2020-07-07 比亚迪股份有限公司 电池托盘、动力电池包及车辆
US20220126666A1 (en) 2019-01-09 2022-04-28 Byd Company Limited Power battery pack and electric vehicle
EP3916866A4 (en) * 2019-01-25 2022-03-23 SANYO Electric Co., Ltd. BATTERY PACK
JP7233020B2 (ja) * 2019-01-31 2023-03-06 パナソニックＩｐマネジメント株式会社 蓄電池モジュール
CN111668410B (zh) * 2019-03-08 2021-12-07 比亚迪股份有限公司 动力电池包及车辆
CN111668409B (zh) * 2019-03-08 2021-12-07 比亚迪股份有限公司 电池托盘、动力电池包及车辆
CN111668406B (zh) * 2019-03-08 2021-12-07 比亚迪股份有限公司 电池托盘、动力电池包及车辆
CN111668408B (zh) * 2019-03-08 2022-03-15 比亚迪股份有限公司 电池托盘、动力电池包以及车辆
WO2020188948A1 (ja) * 2019-03-19 2020-09-24 三洋電機株式会社 電池モジュール
US20220158294A1 (en) * 2019-03-22 2022-05-19 Sanyo Electric Co., Ltd. Battery module
WO2020194966A1 (ja) * 2019-03-22 2020-10-01 三洋電機株式会社 電池モジュール
CN110148692A (zh) * 2019-05-10 2019-08-20 北京新能源汽车股份有限公司 电池模组及具有其的车辆
CN112310519B (zh) * 2019-07-25 2022-05-13 比亚迪股份有限公司 电池托盘、动力电池包及车辆
CN112366400B (zh) * 2019-07-25 2022-06-14 比亚迪股份有限公司 电池托盘、动力电池包及车辆
WO2021024664A1 (ja) * 2019-08-06 2021-02-11 日本碍子株式会社 電池モジュール
AT522337B1 (de) * 2019-09-05 2020-10-15 Kreisel Electric Gmbh & Co Kg Vorrichtung mit mehreren, bezüglich einer Fügeachse parallel zueinander angeordneten Batteriezellen
GB2604289B (en) * 2019-09-30 2023-11-29 Oberon Tech Inc Apparatus and method for connecting electrical components
CN112331992B (zh) * 2019-11-08 2021-12-03 宁德时代新能源科技股份有限公司 电池包及装置
JP7417725B2 (ja) * 2019-11-19 2024-01-18 寧徳時代新能源科技股▲分▼有限公司 電池パック及び輸送機器
EP4068474A1 (en) * 2019-11-27 2022-10-05 Kyocera Corporation Electrochemical cell
EP4071900A4 (en) * 2019-12-03 2023-05-31 SANYO Electric Co., Ltd. BATTERY PACK
KR20210070078A (ko) * 2019-12-04 2021-06-14 주식회사 엘지에너지솔루션 배터리 모듈 및 배터리 팩
JP7437676B2 (ja) 2019-12-10 2024-02-26 パナソニックＩｐマネジメント株式会社 電動工具用電池パック、及び電動工具
JP7437675B2 (ja) 2019-12-10 2024-02-26 パナソニックＩｐマネジメント株式会社 電動工具用電池パック、及び電動工具
KR20210103090A (ko) 2020-02-13 2021-08-23 주식회사 엘지에너지솔루션 레일형 소켓이 구비된 전지 모듈 및 이를 포함하는 전지 팩
US20210288374A1 (en) * 2020-03-16 2021-09-16 Volvo Car Corporation Cover for a battery module
EP4131612A4 (en) * 2020-03-31 2023-10-04 SANYO Electric Co., Ltd. POWER SUPPLY DEVICE AND VEHICLE AND POWER STORAGE DEVICE THEREOF
KR20210127320A (ko) * 2020-04-14 2021-10-22 주식회사 엘지에너지솔루션 전지 팩 및 이를 포함하는 디바이스
KR20210133537A (ko) * 2020-04-29 2021-11-08 주식회사 엘지에너지솔루션 전지팩 및 이를 포함하는 디바이스
KR102665192B1 (ko) * 2020-04-29 2024-05-09 주식회사 엘지에너지솔루션 전지 팩 및 이를 포함하는 디바이스
KR20210133534A (ko) * 2020-04-29 2021-11-08 주식회사 엘지에너지솔루션 전지팩 및 이를 포함하는 디바이스
KR20210144463A (ko) * 2020-05-22 2021-11-30 주식회사 엘지에너지솔루션 배터리 모듈, 그것을 포함하는 배터리 팩, 및 자동차
CN115917852A (zh) * 2020-06-29 2023-04-04 Tvs电机股份有限公司 电池模块的排气系统
CN113871789A (zh) * 2020-06-30 2021-12-31 福特全球技术公司 用于电气化车辆的电池组通风组件及系统
CN114069124A (zh) * 2020-07-30 2022-02-18 哲弗智能系统（上海）有限公司 电池箱、电池组件和供电装置
KR20220026928A (ko) * 2020-08-26 2022-03-07 주식회사 엘지에너지솔루션 배터리 모듈, 이를 포함하는 배터리 팩 및 자동차
GB2598349A (en) * 2020-08-27 2022-03-02 Jaguar Land Rover Ltd Battery module
GB2598350A (en) * 2020-08-27 2022-03-02 Jaguar Land Rover Ltd Battery module
US11764431B2 (en) 2020-10-22 2023-09-19 Apple Inc. Battery pack structures and systems
JPWO2022118880A1 (ja) * 2020-12-02 2022-06-09
KR20220080623A (ko) * 2020-12-07 2022-06-14 주식회사 엘지에너지솔루션 배터리 모듈, 배터리 팩, 및 자동차
KR20220100451A (ko) * 2021-01-08 2022-07-15 주식회사 엘지에너지솔루션 배터리 모듈, 이를 포함하는 배터리 팩 및 자동차
KR20220101320A (ko) * 2021-01-11 2022-07-19 주식회사 엘지에너지솔루션 배터리 모듈, 배터리 팩, 및 자동차
CN112652851B (zh) * 2021-01-18 2022-03-15 中国第一汽车股份有限公司 一种可延缓热失控的电池上箱体总成及电池总成
KR20220105027A (ko) * 2021-01-19 2022-07-26 주식회사 엘지에너지솔루션 화재 방지 성능이 향상된 배터리 팩
DE102021000684A1 (de) * 2021-02-10 2021-03-25 Daimler Ag Energiespeicher für ein Kraftfahrzeug, insbesondere für einen Kraftwagen
KR20220118063A (ko) * 2021-02-18 2022-08-25 에스케이온 주식회사 배터리 팩
JPWO2022210136A1 (ja) 2021-03-31 2022-10-06
EP4087044A1 (en) * 2021-05-04 2022-11-09 Rimac Automobiles Ltd. Cell holder
US20220416359A1 (en) * 2021-06-24 2022-12-29 Rivian Ip Holdings, Llc Directional venting cover for a battery system
EP4175022A1 (en) * 2021-10-28 2023-05-03 Samsung SDI Co., Ltd. Battery system and vehicle including the battery system
DE102021214245A1 (de) 2021-12-13 2023-06-15 Audi Aktiengesellschaft Abdeckelement in Sandwichbauweise mit aufschmelzbarer Zwischenlage für ein Batteriegehäuse, Batteriegehäuse und Kraftfahrzeug
US20230192369A1 (en) * 2021-12-16 2023-06-22 Underwriters Laboratories Inc. Container for Holding Batteries or Cells
CN216720195U (zh) * 2022-01-07 2022-06-10 宁德时代新能源科技股份有限公司 电池模块、电池及用电装置
CN217182360U (zh) * 2022-02-24 2022-08-12 宁德时代新能源科技股份有限公司 用于储能装置的排烟系统、储能装置以及用电装置
WO2023162910A1 (ja) * 2022-02-28 2023-08-31 パナソニックＩｐマネジメント株式会社 蓄電モジュール
WO2023162909A1 (ja) * 2022-02-28 2023-08-31 パナソニックＩｐマネジメント株式会社 蓄電モジュール
KR20230149535A (ko) * 2022-04-20 2023-10-27 주식회사 엘지에너지솔루션 전지 모듈 및 이를 포함하는 전지 팩
EP4287370A1 (en) * 2022-05-31 2023-12-06 EnerSys Delaware Inc. Battery and venting arrangement
SE2250902A1 (en) * 2022-07-13 2024-01-14 Northvolt Ab Top lid venting battery module
WO2024036536A1 (zh) * 2022-08-17 2024-02-22 宁德时代新能源科技股份有限公司 排放组件、箱体、电池和用电装置
WO2024065718A1 (zh) * 2022-09-30 2024-04-04 宁德时代新能源科技股份有限公司 电池和用电设备
CN116802909A (zh) * 2022-10-14 2023-09-22 宁德时代新能源科技股份有限公司 电池和用电装置
CN115360471B (zh) * 2022-10-24 2023-03-24 惠州亿纬锂能股份有限公司 电池总成
CN117219954B (zh) * 2023-11-07 2024-04-16 宁德时代新能源科技股份有限公司 电池箱体、电池及用电装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009110167A1 (ja) * 2008-03-04 2009-09-11 パナソニック株式会社 電池モジュールおよびそれらを用いた電池パック

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3567669B2 (ja) * 1997-03-12 2004-09-22 トヨタ自動車株式会社 電池モジュール
US6455186B1 (en) * 1998-03-05 2002-09-24 Black & Decker Inc. Battery cooling system
JP5147151B2 (ja) * 2001-07-26 2013-02-20 パナソニック株式会社 制御弁式鉛蓄電池
JP2004178909A (ja) * 2002-11-26 2004-06-24 Matsushita Electric Ind Co Ltd 密閉式二次電池
JP4810797B2 (ja) * 2004-05-06 2011-11-09 トヨタ自動車株式会社 電池モジュールと組電池
DE102006015664A1 (de) * 2005-04-04 2007-01-25 Hitachi Koki Co., Ltd. Batteriepack und kabelloses elektrisches Werkzeug, das dieses aufweist
JP2007027011A (ja) * 2005-07-20 2007-02-01 Sanyo Electric Co Ltd 電源装置
JP5088688B2 (ja) * 2005-09-30 2012-12-05 Ｔｄｋラムダ株式会社 電池パック
KR20090081386A (ko) 2006-10-13 2009-07-28 파나소닉 주식회사 전지 팩 및 전지 탑재 기기
JP2008117756A (ja) * 2006-10-13 2008-05-22 Matsushita Electric Ind Co Ltd 電池パック、及び電池搭載機器
JP2008269989A (ja) * 2007-04-20 2008-11-06 Toyota Motor Corp 蓄電ユニット
US8399112B2 (en) * 2009-07-17 2013-03-19 Panasonic Corporation Battery module and battery pack using the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009110167A1 (ja) * 2008-03-04 2009-09-11 パナソニック株式会社 電池モジュールおよびそれらを用いた電池パック
US20100266880A1 (en) * 2008-03-04 2010-10-21 Panasonic Corporation Battery module and battery pack using said battery module

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP 2007-027011-Translation *

Cited By (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9231237B2 (en) 2010-08-06 2016-01-05 Panasonic Intellectual Property Management Co., Ltd. Cell module
US8927136B2 (en) 2011-06-23 2015-01-06 Samsung Sdi Co., Ltd. Battery cover insulator system for fluid communication with battery vents
US20130130070A1 (en) * 2011-11-23 2013-05-23 Denso Corporation Battery unit
US9034496B2 (en) * 2011-11-23 2015-05-19 Denso Corporation Battery unit
US9893339B2 (en) * 2012-04-06 2018-02-13 Ferrari S.P.A. System for the storage of electric energy for a vehicle with electric propulsion and having cylindrical chemical batteries connected to each other in parallel and in series by means of U-shaped rigid connection elements
US20150155543A1 (en) * 2012-04-06 2015-06-04 Ferrari S.P.A. System for the storage of electric energy for a vehicle with electric propulsion and having cylindrical chemical batteries connected to each other in parallel and in series by means of u-shaped rigid connection elements
US20150037630A1 (en) * 2012-04-18 2015-02-05 Huawei Technologies Co., Ltd. Storage battery cabinet and storage battery system
US20150155535A1 (en) * 2012-07-02 2015-06-04 Panasonic Intellectual Property Management Co., Ltd. Sealed secondary battery
US20150125720A1 (en) * 2012-08-09 2015-05-07 Sanyo Electric Co., Ltd. Power source device, electric vehicle provided with same, and electricity storage device
TWI462375B (zh) * 2013-02-08 2014-11-21 Simplo Technology Co Ltd 具有電路板與電池裝置間之電連接結構的電池模組
US9966584B2 (en) * 2013-03-11 2018-05-08 Atieva, Inc. Bus bar for battery packs
US20140255748A1 (en) * 2013-03-11 2014-09-11 Atieva, Inc. Bus bar for battery packs
US20180261823A1 (en) * 2013-03-11 2018-09-13 Atieva, Inc. Bus bars for battery packs
US20140255750A1 (en) * 2013-03-11 2014-09-11 Atieva, Inc. Z-Shaped Bus Bar for a Battery Pack
US11289772B2 (en) * 2013-03-11 2022-03-29 Atieva, Inc. Bus bars for battery packs
US10637110B1 (en) 2013-03-11 2020-04-28 Atieva, Inc. Bus bar for battery packs
US11715842B2 (en) 2013-03-11 2023-08-01 Atieva, Inc. Bus bar for battery packs
US9490465B2 (en) * 2013-03-11 2016-11-08 Atieva, Inc. Z-shaped bus bar for a battery pack
US11664522B2 (en) 2013-03-11 2023-05-30 Atieva, Inc. Bus bars for battery packs
US9584126B2 (en) 2013-03-15 2017-02-28 Atieva, Inc. Bias circuit for a switched capacitor level shifter
US20160141573A1 (en) * 2013-03-29 2016-05-19 Sanyo Electric Co., Ltd. Battery pack
US9985259B2 (en) * 2013-03-29 2018-05-29 Sanyo Electric Co., Ltd. Battery pack
US11050105B2 (en) 2013-05-22 2021-06-29 Robert Bosch Gmbh Battery cell assembly
DE102013209391A1 (de) * 2013-05-22 2014-11-27 Robert Bosch Gmbh Batteriezellenverbund
JPWO2015019570A1 (ja) * 2013-08-08 2017-03-02 パナソニックＩｐマネジメント株式会社 電池ユニット
US20160149192A1 (en) * 2013-08-08 2016-05-26 Panasonic Intellectual Property Management Co., Ltd. Battery unit
US10388927B2 (en) * 2013-08-08 2019-08-20 Panasonic Intellectual Property Management Co., Ltd. Battery unit
CN105531846A (zh) * 2013-10-31 2016-04-27 松下知识产权经营株式会社 电池模块
US20160204404A1 (en) * 2013-10-31 2016-07-14 Panasonic Intellectual Property Managment Co., Ltd. Battery module
US10644287B2 (en) * 2013-10-31 2020-05-05 Panasonic Intellectual Property Management Co., Ltd. Battery module
US20180269448A1 (en) * 2013-10-31 2018-09-20 Panasonic Intellectual Property Management Co., Ltd. Battery module
US10003055B2 (en) * 2013-10-31 2018-06-19 Panasonic Intellectual Property Management Co., Ltd. Battery module
CN110021725A (zh) * 2013-11-26 2019-07-16 日产自动车株式会社 电池组
US9876205B2 (en) * 2014-01-29 2018-01-23 Samsung Sdi Co., Ltd. Battery module
US20150214525A1 (en) * 2014-01-29 2015-07-30 Samsung Sdi Co., Ltd. Battery module
US10283743B2 (en) 2014-02-20 2019-05-07 Toyota Jidosha Kabushiki Kaisha Battery module
US20150280189A1 (en) * 2014-03-31 2015-10-01 Gs Yuasa International Ltd. Energy storage apparatus
US10290845B2 (en) * 2014-03-31 2019-05-14 Gs Yuasa International Ltd. Energy storage apparatus
US11362394B2 (en) * 2014-03-31 2022-06-14 Gs Yuasa International Ltd. Energy storage apparatus
US11894580B2 (en) 2014-09-10 2024-02-06 Cellink Corporation Battery interconnects
US9397376B2 (en) * 2014-09-25 2016-07-19 Atieva, Inc. Battery pack with segmented, electrically isolated heat sink
US9397375B2 (en) * 2014-09-25 2016-07-19 Atieva, Inc. Battery pack with segmented, electrically isolated heat sink
US20160093931A1 (en) * 2014-09-25 2016-03-31 Atieva, Inc. Battery Pack with Segmented, Electrically Isolated Heat Sink
US20160093930A1 (en) * 2014-09-25 2016-03-31 Atieva, Inc. Battery Pack with Segmented, Electrically Isolated Heat Sink
US9614210B2 (en) * 2014-09-30 2017-04-04 Johnson Controls Technology Company Battery module vent system and method
US20160093857A1 (en) * 2014-09-30 2016-03-31 Johnson Control Technology Company Battery module vent system and method
WO2016128837A1 (en) * 2015-02-09 2016-08-18 Acculogic Corporation Method and device for testing the connections of batteries
US10151789B2 (en) 2015-02-09 2018-12-11 Acculogic Corporation Method and device for testing the connections of batteries
US20170025660A1 (en) * 2015-07-22 2017-01-26 Vitzrocell Co. Ltd. Battery assembly using printed circuit board substrate including bus bar
CN108604653A (zh) * 2016-01-26 2018-09-28 三洋电机株式会社 电池组
US11063317B2 (en) * 2016-01-26 2021-07-13 Sanyo Electric Co., Ltd. Battery pack
US11600877B2 (en) * 2016-06-20 2023-03-07 Commeo Gmbh Accumulator module having optimized heat dissipation
US11387524B2 (en) * 2016-09-13 2022-07-12 Pellenc Device for electrically interconnecting battery elements, and battery of accumulators provided with such a device
US20190198843A1 (en) * 2016-09-13 2019-06-27 Pellenc Device for electrically interconnecting battery elements, and battery of accumulators provided with such a device
US10074846B2 (en) * 2016-09-16 2018-09-11 Nio Usa, Inc. Battery module including a weldless busbar having an integrated fusible link
US11247572B2 (en) 2016-12-05 2022-02-15 Samsung Sdi Co., Ltd. Removable battery component carrier, battery system including removable battery component carrier, and vehicle including battery system
US11355804B2 (en) 2016-12-05 2022-06-07 Samsung Sdi Co., Ltd. Removable battery component carrier, battery system including removable battery component carriers and vehicle including the battery system
CN110100325A (zh) * 2016-12-27 2019-08-06 松下知识产权经营株式会社 电池模块
US11437682B2 (en) 2016-12-27 2022-09-06 Panasonic Intellectual Property Management Co., Ltd. Battery module comprising an exhaust duct isolated from a cooling duct
US11158901B2 (en) 2017-02-16 2021-10-26 Lg Chem, Ltd. Lithium secondary battery pack including thermal expansion tape fixing pouch type battery cells and method of manufacturing same
US11979976B2 (en) 2017-07-13 2024-05-07 Cellink Corporation Methods of forming interconnect circuits
CN111164793A (zh) * 2017-09-26 2020-05-15 株式会社丰田自动织机 蓄电模块
US10446813B2 (en) 2017-09-27 2019-10-15 Lg Chem, Ltd. Battery module, and battery pack and vehicle including the same
US20210020977A1 (en) * 2018-04-06 2021-01-21 Sanyo Electric Co., Ltd. Battery
US11881550B2 (en) * 2018-04-06 2024-01-23 Panasonic Energy Co., Ltd. Battery
US11394079B2 (en) * 2018-11-13 2022-07-19 Rivian Ip Holdings, Llc Battery cell pack thermal runaway mitigation
US20220376352A1 (en) * 2018-11-13 2022-11-24 Rivian Ip Holdings, Llc Battery cell pack thermal runaway mitigation
US20200243823A1 (en) * 2019-01-24 2020-07-30 Tdk Corporation Battery pack
US20220069411A1 (en) * 2019-01-25 2022-03-03 Sanyo Electric Co., Ltd. Battery pack
EP3709383A1 (de) 2019-03-11 2020-09-16 HOPPECKE Batterien GmbH & Co. KG. Batteriegestell
DE202019101373U1 (de) * 2019-03-11 2020-06-15 Hoppecke Batterien Gmbh & Co. Kg Batteriegestell
CN113574727A (zh) * 2019-03-19 2021-10-29 三洋电机株式会社 电池模块
US11362397B2 (en) * 2019-05-20 2022-06-14 Audi Ag Energy storage device, motor vehicle, and housing cover assembly
US11251491B2 (en) 2019-08-28 2022-02-15 Manaflex, Llc Method to prevent or minimize thermal runaway events in lithium ion batteries
WO2021041585A1 (en) * 2019-08-28 2021-03-04 Manaflex, Llc Intracellular device for lithium ion batteries
US10707462B1 (en) * 2019-08-28 2020-07-07 Manaflex, Llc Intracellular device for lithium ion batteries
CN114270587A (zh) * 2019-08-28 2022-04-01 神连科技有限公司 锂离子电池的单元内装置
CN113273026A (zh) * 2019-12-17 2021-08-17 株式会社Lg化学 电池模块和包括该电池模块的电池组
US11990638B2 (en) 2019-12-17 2024-05-21 Lg Energy Solution, Ltd. Battery module and battery pack including the same
US20230117874A1 (en) * 2020-03-31 2023-04-20 Sanyo Electric Co., Ltd. Power supply device, and vehicle and electrical storage device each equipped with same
US20210359374A1 (en) * 2020-05-12 2021-11-18 Samsung Sdi Co., Ltd. Battery system and vehicle including the battery system
US20210359360A1 (en) * 2020-05-12 2021-11-18 Mahle International Gmbh Accumulator
CN111584791A (zh) * 2020-06-22 2020-08-25 昆山宝创新能源科技有限公司 电池模组
US11791518B2 (en) 2020-07-10 2023-10-17 Contemporary Amperex Technology Co., Limited Battery, power consumption device, method and device for preparing a battery
US20220013849A1 (en) * 2020-07-10 2022-01-13 Contemporary Amperex Technology Co., Limited Battery, and related device, preparation method and preparation apparatus thereof
US11967725B2 (en) 2020-07-10 2024-04-23 Contemporary Amperex Technology Co., Limited Case of battery, battery, power consumption device, and method and device for preparing battery
US20220013854A1 (en) * 2020-07-10 2022-01-13 Contemporary Amperex Technology Co., Limited Battery, power consumption device, method and device for preparing a battery
US11955654B2 (en) * 2020-07-10 2024-04-09 Contemporary Amperex Technology Co., Limited Battery, and related device, preparation method and preparation apparatus thereof
DE102020120042A1 (de) 2020-07-29 2022-02-03 Audi Aktiengesellschaft Batterie und Kraftfahrzeug mit Batterie
US20220059884A1 (en) * 2020-08-20 2022-02-24 Dr. Ing. H.C. F. Porsche Aktiengesellschaft High-voltage battery, method for producing same and motor vehicle having a battery of this type
US11909021B2 (en) * 2020-08-20 2024-02-20 Dr. Ing. H.C. F. Porsche Aktiengesellschaft High-voltage battery, method for producing same and motor vehicle having a battery of this type
US11876312B2 (en) 2020-10-02 2024-01-16 Cellink Corporation Methods and systems for terminal-free circuit connectors and flexible multilayered interconnect circuits
US11791577B2 (en) 2020-10-02 2023-10-17 Cellink Corporation Forming connections to flexible interconnect circuits
US11990592B2 (en) 2020-11-17 2024-05-21 Contemporary Amperex Technology Co., Limited Battery, apparatus using battery, and manufacturing method and manufacturing device of battery
CN112688019A (zh) * 2020-12-25 2021-04-20 中国第一汽车股份有限公司 一种动力电池热流泄放装置及动力电池热流泄放方法
US11916250B2 (en) 2021-01-13 2024-02-27 Ford Global Technologies, Llc Battery pack including vent gas passageway
US11888180B2 (en) 2021-03-24 2024-01-30 Cellink Corporation Multilayered flexible battery interconnects and methods of fabricating thereof
US11901555B2 (en) 2021-07-30 2024-02-13 Contemporary Amperex Technology Co., Limited Battery module, battery pack, and electric apparatus
EP4213285A1 (en) * 2022-01-12 2023-07-19 SK On Co., Ltd. Battery device
US11751328B1 (en) 2022-02-22 2023-09-05 Cellink Corporation Flexible interconnect circuits and methods of fabrication thereof
US11950377B1 (en) 2022-04-15 2024-04-02 Cellink Corporation Flexible interconnect circuits for battery packs

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