WO2023085726A1 - 배터리 모듈 및 이를 포함한 배터리 팩 - Google Patents
배터리 모듈 및 이를 포함한 배터리 팩 Download PDFInfo
- Publication number
- WO2023085726A1 WO2023085726A1 PCT/KR2022/017445 KR2022017445W WO2023085726A1 WO 2023085726 A1 WO2023085726 A1 WO 2023085726A1 KR 2022017445 W KR2022017445 W KR 2022017445W WO 2023085726 A1 WO2023085726 A1 WO 2023085726A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- battery
- sensing
- bus bar
- module
- battery cell
- Prior art date
Links
- 238000013022 venting Methods 0.000 claims description 52
- 230000008878 coupling Effects 0.000 claims description 48
- 238000010168 coupling process Methods 0.000 claims description 48
- 238000005859 coupling reaction Methods 0.000 claims description 48
- 230000002265 prevention Effects 0.000 description 9
- 238000007789 sealing Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- 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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/178—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for pouch or flexible bag 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
- H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch 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
- H01M50/30—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
- H01M50/50—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
- H01M50/507—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
-
- 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
- H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
-
- 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 module.
- a battery module configured to be expandable, it relates to a battery module capable of easily sensing electrical characteristics between battery modules.
- the present invention relates to the battery module as a battery pack.
- secondary batteries capable of charging and discharging have been widely used as energy sources for wireless mobile devices.
- secondary batteries are attracting attention as an energy source for electric vehicles, hybrid electric vehicles, etc., which are proposed as a solution to air pollution such as existing gasoline vehicles and diesel vehicles using fossil fuels. Therefore, the types of applications using secondary batteries are diversifying due to the advantages of secondary batteries, and it is expected that secondary batteries will be applied to more fields and products than now.
- Such a battery module or battery pack has an outer housing made of metal to protect or house a plurality of secondary batteries from external impact.
- Figure 1 (a) is a partial perspective view of a conventional general battery module 1
- Figure 1 (b) shows a connection structure of battery modules for sensing between modules of the conventional battery module.
- Such a conventional battery module has the following problems.
- the module Since the sensing line 2 is connected to the connector 3 as shown in FIG. 1 (a) and the connector 3 is connected to an external mating connector to sense the electrical characteristics of the battery module, the module It was necessary to install a connector with a complicated structure for each. In addition, a connector installed in the module and an external connector having a male-female coupling structure were separately required. Since the connector of the male and female coupling structure has a complex shape, the terminal coupling structure (male and female connector structure) for sensing the electrical characteristics of the battery module has become complicated. In addition, a connector having a complicated structure is difficult to mold, which causes an increase in manufacturing cost.
- the present invention has been made to solve the above problems, and an object of the present invention is to provide an expandable battery module in which space utilization of a battery module and a battery pack is improved by connecting battery cells in a longitudinal direction as well as in a thickness direction.
- the expandable module it is an object of the present invention to provide a battery module having a structure capable of direct sensing of the module by omitting a connector having a conventional complex male-female coupling structure.
- an object of the present invention is to provide a battery pack having a structure capable of simple direct sensing without a complicated assembly structure when sensing between a plurality of battery modules.
- two or more battery cells having leads formed at both ends in the longitudinal direction are arranged in a row to form a longitudinal unit cell, and the longitudinal unit cell is the battery.
- a battery cell assembly formed by stacking two or more rows in the thickness direction of the cell; a sensing line electrically connected to an electrode lead of a battery cell included in the battery cell assembly; And a module case surrounding and accommodating the battery cell assembly, characterized in that a sensing pin is provided at an end of the sensing line and is led out of the module case.
- the module case may have an opening at a position corresponding to the position of the sensing pin, and the sensing pin may be led out through the opening.
- the sensing line is connected to the electrode leads of all the battery cells of the battery cell assembly through at least one of a bus bar coupled to the electrode leads of the battery cells included in the battery cell assembly and a sensing member coupled to the bus bar. electrically connected
- the bus bar may be at least one of a terminal bus bar connected to an external terminal and an inter bus bar coupled to electrode leads of battery cells to electrically connect battery cells.
- the same number of columns of longitudinal unit cells are disposed on both sides of the battery cell in the longitudinal direction, and in one longitudinal unit cell or longitudinal unit cells of the longitudinal unit cells on both sides.
- the electrode leads of the battery cells facing in the longitudinal direction are coupled to the interbus bar, respectively, and the electrode leads of the battery cells facing in the longitudinal direction in the other longitudinal unit cell or the longitudinal unit cells of the longitudinal unit cells on both sides are Can be coupled to terminal busbars.
- the sensing line is connected to the inter bus bar and the terminal bus bar, respectively, and a sensing pin of the sensing line is bent upward or downward from a portion of the sensing line connecting the inter bus bar and the terminal bus bar to the module case. can be derived externally.
- the terminal bus bar includes a first terminal bus bar coupled to one electrode lead or electrode leads among electrode leads of battery cells facing each other in the longitudinal direction, and an electrode lead or electrode leads on the other side.
- the sensing pins may include a first sensing pin on the side of the first terminal bus bar and a second sensing pin on the side of the second terminal bus bar.
- a venting plate extending in the longitudinal direction of the battery cell across the front and rear ends of the module case and having a venting channel formed therein is installed between the columns of the same number of longitudinal unit cells, and the terminal A bus bar, an inter bus bar, and a sensing line may be supported on the bent plate.
- an interbus bar coupled to electrode leads derived from battery cells at the front and rear of the longitudinal unit cell is installed at the front and rear ends of the longitudinal unit cell, and the sensing line is connected to the inter bus bar. coupled and the sensing pins of the sensing line may be led out through at least one of the front end plate and the rear end plate of the module case.
- the same number of longitudinal unit cells are disposed on both sides of the battery cell in the longitudinal direction, and the same number of longitudinal unit cells are disposed across the front and rear ends of the module case between the columns of the same number of longitudinal unit cells.
- a venting plate extending in the longitudinal direction of the battery cell and having a venting channel therein may be installed, and the interbus bar and the sensing line may be supported by the venting plate.
- a battery pack as another aspect of the present invention includes a battery module stack formed by stacking a plurality of battery modules in a thickness direction of battery cells; and sensing blocks extending in the thickness direction of the battery cell and respectively coupled to sensing pins protruding to the outside of the battery module.
- a coupling groove into which the sensing pin is inserted may be formed on a coupling surface of the sensing block that faces the sensing pin.
- a battery pack includes a battery module laminate formed by stacking a plurality of battery modules in a battery cell thickness direction; and a sensing block extending in the thickness direction of the battery cell, bent upward or downward from a sensing line in the battery module, and coupled to sensing pins drawn out of the module case.
- a battery pack includes a battery module stack formed by stacking a plurality of battery modules in a thickness direction of battery cells; and a first sensing block and a second sensing block extending in the thickness direction of the battery cell and coupled to the first sensing pins and the second sensing pins of the battery module, respectively.
- Another battery pack of the present invention includes a battery module stack formed by stacking a plurality of battery modules in a thickness direction of battery cells; and a side sensing block coupled to sensing pins of a sensing line extending in the battery cell thickness direction and leading to the outside through a front end plate or a rear end plate of the module case.
- an expandable battery module in which space utilization of a battery module and a battery pack is improved by connecting battery cells in a longitudinal direction as well as in a thickness direction.
- the present invention can realize a direct sensing structure suitable for such an expandable battery module.
- the present invention can provide a battery pack having a structure capable of simple direct sensing without a complicated assembly structure when sensing between a plurality of battery modules.
- Figure 1 (a) is a partial perspective view of a conventional general battery module 1
- Figure 1 (b) shows a connection structure of battery modules for sensing between modules of the conventional battery module.
- FIG. 2 is an exploded perspective view of the battery module of the present invention.
- FIG. 3 is a perspective view illustrating the structure of a venting plate included in the battery module of FIG. 2 .
- FIG. 4 is a rear view and a front view showing a coupling structure of a terminal bus bar sensing member and an inter bus bar support block according to an embodiment of the present invention.
- FIG. 5 is a perspective view illustrating a sensing pin coupling structure of a sensing line according to an embodiment of the present invention.
- FIG. 6 is a perspective view illustrating an embodiment of a sensing pin coupling structure of a sensing line viewed from the opposite side of FIG. 5 .
- FIG. 7 is a perspective view showing a coupling structure of a battery cell, a sensing line, a sensing pin, and a battery cell assembly viewed from above.
- FIG. 8 is a perspective view illustrating an exterior of a module case to which sensing pins of the embodiment of FIG. 5 are coupled.
- FIG. 9 is a perspective view illustrating a sensing pin coupling structure of a sensing line according to another embodiment of the present invention.
- FIG. 10 is a perspective view, a front view, and a plan view showing the structure of an interbus bar sensing member according to another embodiment of the present invention.
- FIG. 11 is a perspective view illustrating a process of assembling a battery pack according to an embodiment of the present invention.
- FIG. 12 is a perspective view illustrating the battery pack according to the embodiment of FIG. 11 in more detail.
- FIG. 13 is a perspective view illustrating a battery pack according to another embodiment of the present invention.
- being disposed "on” may include the case of being disposed at the bottom as well as at the top.
- two or more battery cells having leads formed at both ends in the longitudinal direction are arranged in a line in the longitudinal direction to form a longitudinal unit cell, and the longitudinal unit cell is two in the thickness direction of the battery cell.
- a battery cell assembly formed by stacking more than ten; a sensing line electrically connected to an electrode lead of a battery cell included in the battery cell assembly; And a module case surrounding and accommodating the battery cell assembly, characterized in that a sensing pin is provided at an end of the sensing line and is led out of the module case.
- FIG. 2 is an exploded perspective view of the battery module of the present invention
- FIG. 3 is a perspective view showing the structure of a venting plate included in the battery module of FIG. 2 .
- the present invention includes a battery cell assembly 100 including longitudinal unit cells 110 and a module case 300 in which the battery cell assembly 100 is accommodated.
- leads 11 and 12 are formed at both ends and the X direction is the longitudinal direction of the battery cell 10 or module (case) based on the conventional pouch-type battery cell 10 extending long in the longitudinal direction,
- the Y direction is the thickness direction (lamination direction of the battery cells) of the battery cell 10 or the module case 300, and the Z direction is the vertical direction.
- the battery cell 10 of the present invention is intended for a battery cell (a so-called bidirectional battery cell (bidirectional pouch cell)) having electrode leads 11 and 12 formed at both ends in the longitudinal direction.
- a battery cell a so-called bidirectional battery cell (bidirectional pouch cell)
- the anode lead 11 and the cathode lead 12 are derived and formed from both ends of one battery cell 10, there is no interference between the leads, and the area of the electrode lead can be increased, and the electrode lead ( 11, 12) and the bus bar can be more easily performed.
- the battery cell assembly 100 of the present invention is a battery cell 10 in which two or more bidirectional battery cells 10 are arranged in a row in a longitudinal direction and electrode leads of the battery cells 10 facing each other in the longitudinal direction are electrically connected to each other. ) is included as the longitudinal unit cell 110.
- two battery cells 10 are connected in the longitudinal direction to form a longitudinal unit cell 110, but two or more battery cells may be connected in the longitudinal direction.
- the number of battery cells 10 connected in the longitudinal direction is not limited in principle.
- the number of battery cells 10 connected in the longitudinal direction may vary according to the size (length) of the connected battery cells 10 .
- two or more battery cells 10 having leads 11 and 12 formed at both ends in the longitudinal direction are arranged in a row, and the leads 11 and 12 at the ends of the battery cells facing each other are electrically connected to each other.
- the combination of the battery cells 10 formed by being formed will be referred to as a longitudinal unit cell 110.
- the battery cell assembly 100 included in the battery module 1000 of the present invention is formed by stacking two or more rows of the longitudinal unit cells 110 in the thickness direction (X direction) of the battery cell 10.
- the number of rows in which the longitudinal unit cells 110 are stacked also depends on the allowable space of the battery module 1000 and the battery pack, the size of the battery cell 10, and the like.
- the number of battery cells 10 in the longitudinal direction and the number of columns may be determined in consideration of required capacity of an electric device. As such, since the present invention can adjust the number of battery cells in the longitudinal direction and the number of columns of the battery cell assembly 100 accommodated in the module case 300, the degree of freedom in design is improved.
- the battery cell assembly 100 is not stacked in dozens as in the prior art, but, for example, about 2 to 4 cells in the longitudinal direction and about 2 to 6 rows in the battery cell thickness direction are stacked, the battery cell assembly 100 is more compact. can be configured.
- the battery cell assembly 100 composed of such a small number of battery cells 10 is accommodated in a separate module case 300, and the battery module 1000 including such a module case 300 is battery cell 10 ), the battery pack can be freely configured in consideration of the space in which the battery module 1000 is installed or the space in which the battery pack is installed. For example, if the battery modules 1000 are stacked in the longitudinal direction, the same effect can be achieved even if the battery cells of the longitudinal unit cells 110 are not connected longer in the longitudinal direction.
- individual battery modules can be configured more compactly.
- design freedom can be improved by stacking the battery modules 1000 as many as necessary in the thickness direction of the battery cells.
- FIG. 1 it is difficult to configure a battery pack as desired with a structure in which dozens of battery cells are stacked in one module case. That is, since the minimum units of the battery cells included in the battery modules constituting the battery pack are different, the conventional battery module 1 is inevitably reduced in design freedom.
- the battery module 1 of FIG. 1 easily propagates flames to adjacent battery cells.
- the structure of the battery module 1000 of FIG. 2 or the battery pack disclosed in FIG. 10 to be described later since a small number of battery cell assemblies 100 are separately accommodated in the battery module 1000, one battery module ( Even if ignition occurs in the battery cell 10 in the battery 1000, it is difficult for ignition to propagate to other battery modules 1000.
- the battery cell assembly 100 of the present invention is connected in the longitudinal direction and the battery cell thickness direction, and the battery cell assembly 100 made of a specific number of battery cells 10 is accommodated in each module case 300 It is a form. Therefore, since various types of battery packs can be manufactured according to the stacking (design) method of the battery module 1000 including the battery cell assembly 100, the battery module 1000 of the present invention is an expandable module. can be called
- the battery cell assembly 100 of the present invention shown in FIG. 2 is a so-called 2P4S connection structure in which two battery cells 10 are connected in the longitudinal direction and the longitudinal unit cells 110 are stacked in four rows, so that a total of 8
- the battery cell assembly 100 is composed of two battery cells 10.
- battery cell assemblies such as 2-column stacking (1P4S), 6-column stacking (3P4S), and 8-column stacking (4P4S) of even rows by varying the number of columns of longitudinal unit cells 110 connected by two in the longitudinal direction possible.
- a structure connecting three instead of two in the longitudinal direction (1P6S, 2P6S, 3P6S,,,,), a structure connecting four (1P8S, 2P8S, 3P8S,,,,) and other structures are also possible.
- it is an advantage of the present invention that the laminated structure of the longitudinal unit cell 110 and the battery cell assembly 100 can be changed in various and scalable ways according to the design request of the battery module 1000 and the battery pack described above. .
- an insulating board or an insulating sheet may be installed between the rows of the longitudinal unit cells 110 .
- a venting plate 400 is installed between the rows of the longitudinal unit cells 110 instead of an insulating plate.
- the venting plate 400 in the longitudinal direction of the battery cell 10 across the front and rear ends of the module case 300 between the rows of longitudinal unit cells 110 constituting the battery cell assembly 100. ) is extended.
- the same number of rows of longitudinal unit cells 110 are disposed on both sides of the venting plate 400 as a center.
- the venting plate 400 may perform a function of preventing heat propagation between the longitudinal unit cells 110 when a flame is generated due to overheating or ignition.
- the venting plate 400 has a hollow structure in which venting channels 411 and 416 capable of discharging gas and flame are formed.
- the venting channels 411 and 416 are composed of a longitudinal channel 411 divided into a plurality by a partition wall 410C and a width channel 416 extending from the longitudinal channel 411, such that gases or flames generated in the module are formed. can be discharged to the outside of the module.
- the venting plate 400 has a size and length sufficient to completely cover the longitudinal unit cell 110 so as to discharge gas or flame generated from the battery cell 10, particularly the electrode lead part. As shown in FIG.
- the main body 410 of the venting plate 400 is formed long enough to span the front and rear ends of the module case 300 .
- the venting plate 400 may also serve as a mounting base for installing a bus bar or electrode lead, or a support member supporting the bus bar and electrode lead, which will be described later.
- the venting plate 400 of FIG. 3 has installation holes through which various members can be installed.
- a heat propagation prevention plate 420 for supporting electrode leads of the battery cells 10 facing in the longitudinal direction and bus bars coupled thereto is disposed on the body portion ( 410) and formed vertically.
- the heat propagation prevention plate 420 serves to prevent heat from propagating between the battery cells 10 in the longitudinal direction.
- long holes 412 and 412' for coupling interbus bars are provided at the front and rear ends of the main body 410 of the venting plate 400, and long holes 413 and 413' for coupling with sensing members are provided behind the long holes 412 and 412'. are formed respectively.
- long holes 414 and 414' for ventilation having similar sizes to those for coupling the sensing member 413 and 413' are formed on the left and right sides of the heat propagation prevention plate 420 at the center of the main body 410, respectively.
- These long holes communicate with the venting channel 411 described above, so that gas or flame generated from the electrode lead can be introduced into the venting channel 411 and discharged to the outside.
- coupling holes 415 for coupling the interbus bar support block 610 are formed, respectively.
- a through hole (long hole) 421 is formed in the heat propagation prevention plate 420 to which an inter-bus bar 510 to which electrode leads facing in the longitudinal direction are coupled is coupled.
- the venting plate 400 having the above structure when the venting plate 400 having the above structure is installed between the longitudinal unit cells 110, gas and flame can be easily discharged as described above, and the bus bar and There is an advantage that the electrode lead can be easily installed.
- the venting plate 400 can perform a function of supporting the sensing line 200 and the sensing pins 210 and 210' at the ends thereof according to the present invention.
- the present invention also includes a sensing line 200 electrically connected to the electrode lead of the battery cell 10 included in the battery cell assembly 100.
- the sensing line 200 may be a sensing metal wire of a conductive line or a sensing cable having a predetermined coating on the sensing metal line.
- the sensing line 200 is flexible, and more preferably, the sensing line 200 can be bent or bent, and is a plastically deformable sensing cable that maintains its shape in a bent state. It is good to be.
- the path of the sensing line 200 connected to the electrode lead part or the bus bar or the sensing member connected thereto within the battery module can be freely changed to conform to the space within the module, so that the outside of the module case 300 can be derived with
- the sensing line 200 of the present invention is for sensing electrical characteristics of a battery module, that is, voltage, current, resistance, and the like. Therefore, the sensing line 200 may be connected to a sensing device outside the module, such as a sensing block to be described later, and ultimately be connected to a BMS, ECU, or a predetermined controller installed in the battery pack to be connected to a unit battery module or a plurality of batteries. Electrical characteristics between modules can be measured. To measure the electrical characteristics of the battery module end, the sensing line 200 needs to be electrically connected to the electrode leads of all the battery cells 10 included in the battery cell assembly 100. However, it is not necessary to directly connect the sensing line 200 to each electrode lead, and it is sufficient if it is electrically connected to the electrode lead through at least one of a bus bar coupled to the electrode lead and a sensing member coupled to the bus bar. .
- a characteristic feature of the present invention is that sensing pins 210 and 210 ′ that are led out of the module case 300 are provided at ends of the sensing line 200 . That is, like a conventional battery module, a connector of a male-female coupling structure is not installed for sensing, and the direction of the sensing line 200 connected to all battery cells 10 inside the module is changed toward the outside, and the sensing line ( Sensing pins 210 and 210' are installed at ends of 200, and the sensing pins 210 and 210' are positioned outside the module case 300. As described above, since the sensing pins 210 and 210' of the present invention have a simple pin shape rather than a connector structure, electrical coupling with an external terminal is very easy.
- the coupling structure is in the form of a very simple pin, it is very easy to sense between modules if the external connection mechanism is configured in a form that can be combined with the sensing pins 210 and 210' of several battery modules at once.
- a preferred form of an external connection mechanism coupled to the sensing pins 210 and 210' will be described later.
- the present invention includes a module case 300 that surrounds and accommodates the battery cell assembly 100 .
- the module case 300 has a rectangular parallelepiped structure elongated in the longitudinal direction to accommodate the battery cell assembly 100 unique to the present invention.
- the module case 300 is made of a combination of a C-shaped wall 310 and an I-shaped wall 320, but is not limited thereto.
- the module case 300 of the present invention includes a front end plate 330 and a rear end plate 340. The front end plate 330 and the rear end plate 340 are coupled to the C-shaped wall 310-I-shaped wall 320 assembly, respectively, to close the front and rear sides of the module.
- the module case 300 of the present invention may have openings 311 and 330S at positions corresponding to the positions of the sensing pins.
- the sensing pins may be led out of the module case 300 through the openings 311 and 330S.
- the sensing pin may be derived from a position in the middle of the unit cell 110 in the longitudinal direction, or may be derived from a position at the front or rear end. Therefore, the openings 311 and 330S of the module case 300 may be formed above or below the middle part of the module case 300 as shown in FIG. 2 or at predetermined positions of the front end plate 330 and the rear end plate 340. can
- the sensing pin can be properly led out of the module case 300, it is not necessary to form an opening.
- the sensing pins 210 and 210' are pulled out between the left and right module cases 300, placed outside the module case 300, and the left and right module cases 300 are assembled, and as a result, the sensing pins are attached to the module case 300. ) can be placed outside.
- the sensing line 200 connected to the sensing pins 210 and 210' may be damaged by being caught between the module cases 300 or a gap may be formed between the module cases 300 due to the sensing lines 200.
- the sensing line 200 needs to be electrically connected to electrode leads of all battery cells 10 of the battery cell assembly 100 through a bus bar or sensing member.
- a structure of a bus bar or the like of embodiments that can be applied to the battery module of the present invention will be looked at and a detailed structure of a sensing line and a sensing pin related thereto will be described.
- FIG. 4 is a rear view and a front view showing a coupling structure of a terminal bus bar sensing member and an inter bus bar support block according to an embodiment of the present invention
- FIG. 5 is a sensing pin coupling of a sensing line according to an embodiment of the present invention.
- a perspective view showing the structure Figure 6 is a perspective view showing an embodiment of the sensing pin coupling structure of the sensing line viewed from the opposite side of Figure 5
- Figure 7 is a perspective view of the sensing line, the sensing pin and the battery cell assembly 100 viewed from the top It is a perspective view showing the coupling structure.
- the sensing line 200 of the present invention may be electrically connected to the battery cells of the battery cell assembly 100 through a bus bar.
- the bus bar may be at least one of terminal bus bars 520 and 520 ′ connected to external terminals and inter bus bars 510 coupled to electrode leads of the battery cells 10 to electrically connect the battery cells.
- 5 to 7 show an embodiment in which the terminal bus bars 520 and 520' and the inter bus bar 210 are connected to the sensing line 200.
- FIGS. 5 to 7 Prior to the description of FIGS. 5 to 7, an example of the structure of a terminal bus bar sensing member and an inter bus bar support block for installing the terminal bus bar and the inter bus bar to the battery module of the present invention will be described with reference to FIG. 4 do.
- terminal bus bar sensing members 620 and 620' having hooks 622 and 622' into which the terminal bus bars 520 and 520' are inserted are provided.
- the terminal bus bar sensing members 620 and 620' have a sensing pin part on the front surface facing the terminal bus bar 520 and 520', and a coupling hook part into which the terminal bus bars 520 and 520' are inserted at the upper and lower ends of the sensing pin part. (622,622').
- terminal bus bars 520 and 520' are inserted into the coupling hook parts 622 and 622' and coupled, the terminal bus bars 520 and 520' come into contact with the sensing pin part, thereby contacting the terminal bus bar sensing members 620 and 620' and the terminal bus bar. (520,520') are electrically connected.
- coupling protrusions 621 and 621' coupled to the coupling hole 417 of the venting plate body 410 are formed on the upper rear surface.
- inter-bus bar support blocks 610 and 610' coupled to the coupling hole 415 of the main body 410 are formed on the lower rear side of the terminal bus bar sensing members 620 and 620'. The inter bus bar support blocks 610 and 610' more firmly fasten the terminal bus bar sensing members 620 and 620' to the venting plate 400.
- hooks 611 and 611' are formed at the upper and lower ends of the inter-bus bar support blocks 610 and 610', and the hooks 611 and 611' are inter-bus bars located on the rear side of the terminal bus bar sensing members 620 and 620' ( 510) is concluded.
- the terminal bus bar sensing members 620 and 620' of this embodiment are provided with fastening parts coupled to the bent plate 400 and the inter bus bar 510, so that the rigidity of the coupling structure of the unit cells in the longitudinal direction is higher. can improve
- the battery cell assembly 100 of the present invention has a structure in which two or more rows of longitudinal unit cells 110 are stacked, in the electrode lead of the battery cell 10 facing the longitudinal unit cell 110, as described above Likewise, both the terminal bus bars 520 and 520' and the inter bus bar 510 can be applied.
- the battery cell assembly 100 is composed of 2P4S
- the same number of columns (two columns) of longitudinal unit cells 110 may be disposed on both sides of the battery cell in the longitudinal direction.
- one row of longitudinal unit cells 110 may be disposed on both sides.
- the above-described venting plate 400 may be installed between the same number of longitudinal unit cells 110 . Electrode leads 11 and 12 of the battery cell 10 facing in the longitudinal direction in the longitudinal unit cells 110 on one side (front side in FIG. 5) based on the longitudinal direction of the battery cell 10 are interbus Each is coupled to the bar 510. In order to support the inter-bus bar 510, the inter-bus bar support blocks 610 and 610' are installed on the rear side of the inter-bus bar 510.
- Electrode leads 11 and 12 of the battery cell 10 facing each other in the longitudinal direction may be coupled to left and right sides of the interbus bar 510, respectively (see FIG. 7).
- a long hole 421 for coupling the inter-bus bar is formed in the heat propagation prevention plate 420 disposed vertically with the main body 410 of the venting plate 400 (FIG. 3 Reference), the interbus bar 510 can be coupled to the heat propagation prevention plate 420 through the long hole 421 (see FIG. 4).
- insulating elastic members 800 may be inserted into left and right sides of the heat propagation prevention plate 420.
- the venting plate 400 is not essential for coupling the electrode lead and the inter bus bar 510.
- the venting plate 400 is present, it is advantageous not only to fix the interbus bar 510 but also to support the sensing line 200, so it is preferable to have the venting plate 400.
- interbus bar support blocks 610 and 610' are integrally formed with the terminal bus bar sensing members 620 and 620' coupled to the terminal bus bars 520 and 520', the terminal bus bars 520 and 520', the venting plate 400, The coupling structure of the interbus bar 510 and the sensing line 200 can be formed more firmly. Referring to FIG. 6 , it is shown that terminal bus bar sensing members 620 and 620 ′ are coupled to the venting plate 400 on the opposite side of the venting plate 400 .
- FIG. 5 is a view from the left centering on the heat propagation prevention plate 420, but the same inter-bus bar support block 610', terminal bus bar 520', and terminal bus bar sensing member 620' on the right side as in the left side. ) is coupled to the venting plate 400.
- the terminal bus bars 520 and 520' can be easily coupled to the terminal bus bar sensing members 620 and 620' by fitting and coupling with hooks (see FIG. 6).
- FIG. 5 (a) shows the terminal bus bars 520 and 520' before coupling
- FIG. 4 (b) shows a state in which the terminal bus bars 520 and 520' are coupled to the terminal bus bar sensing members 620 and 620'.
- sealing members 700 and 700' fitted to the upper ends of the terminal bus bars 520 and 520' are shown. Fitting grooves 710 and 710' into which the heads of terminal bus bars are inserted are formed in the sealing members 700 and 700'. 6 and 7, the sealing members 700 and 700' are omitted for convenience of illustration.
- the terminal bus bars 520 and 520' are coupled to the front of the terminal bus bar sensing members 620 and 620', and the battery cell assembly 100 is connected to the front end of the terminal bus bars 520 and 520'.
- the electrode leads 11 and 12 derived from the battery cell 10 are coupled, respectively.
- the sensing line 200 passes through the portion 211 connected to the upper part of the interbus bar 510 and the long holes 414 and 414' of the venting plate 400 therefrom. It has a portion 212 extending to the opposite side of the venting plate 400 . Between the connected portion 211 and the extended portion 212, the sensing line 200 extends upward, and sensing pins 210 and 210' are formed at the end of the upwardly extended portion 213. Covering parts or reinforcing members 220 and 220' are installed at ends of the sensing pins 210 and 210'. As shown in FIG. 8 , the sensing pins 210 and 210 ′ are led out of the module case 300 .
- the sensing line 200 includes a portion 212 extending to the opposite side of the venting plate 400, a terminal bus bar contact portion 214 connected therefrom, and the terminal bus bar contact portion 214 ) to both ends of the longitudinal unit cell 110, and further includes a longitudinal sensing line 215.
- the longitudinal sensing line 215 extends in the longitudinal direction and is connected to electrode leads of the battery cell 10 at both ends of the longitudinal unit cell 110 . That is, as described above, since the sensing line 200 of the present invention is connected to electrode leads of all battery cells included in the battery cell assembly 100, the sensing pins 210 and 210' of the sensing line 200 are connected to the battery cell assembly 100. The electrical characteristics of the entire module 1000, that is, the module end may be measured.
- the sensing pins 210 and 210' are bent upward from the portion 213 of the sensing line connecting the interbus bar 510 and the terminal bus bar 620 and 620', but are bent downward. It is also possible to lead to the outside of the module case 300 .
- openings 311 and 311' through which the sensing pins 210 and 210' may pass may be formed in the upper or lower portion of the module case 300 corresponding to the positions of the sensing pins 210 and 210'.
- FIG. 8 shows that two sensing pins 210 and 210' are drawn out of the module case 300. 8, the terminal bus bars 520 and 520' described above and the sealing members 700 and 700' sealing the terminal bus bars are also exposed to the outside of the module case 300.
- the terminal bus bars 520 and 520' may be connected to external terminals.
- the sensing pins 210 and 210' are installed on either the left or right side instead of two as shown in FIG. There is no problem in sensing
- the battery cell 10 when configuring a battery pack by laminating the battery module 1000 having the same structure as in the present invention in the thickness direction of the battery cell 10, for example, the battery cell 10 to the battery cell assembly included in the battery module 1000
- the direction of electrical polarity of (100) is alternately arranged differently.
- the polarity of the electrode leads of the battery cells 10 facing each other in the longitudinal unit cell 110 also alternately changes. Therefore, in view of this case, in order to facilitate sensing at the battery pack end, as shown in FIG.
- sensing pins (second sensing pins 210') derived from the side of the two-terminal bus bar 520' may be configured in pairs.
- FIG. 9 is a perspective view showing a sensing pin coupling structure of a sensing line according to another embodiment of the present invention
- FIG. 10 is a perspective view, a front view, and a plan view showing the structure of an inter-busbar sensing member according to another embodiment of the present invention.
- the sensing line ( 200) is a structure electrically connected to the battery cells 10 at the front and rear ends of the longitudinal unit cell 110.
- an interbus bar 510 coupled to electrode leads 11 and 12 derived from the battery cells 10 at the front and rear of the longitudinal unit cell 110 is installed.
- the same number of columns of longitudinal unit cells 110 are disposed on both sides of the interbus bar 510 as a center, and the battery cell leads 11 and 12 at the ends of the unit cells 110 on both sides are bent to It is coupled to the interbus bar 510. Therefore, when the longitudinal sensing line 215 is coupled to the interbus bar 510, the sensing line 215 is electrically connected to the battery cell leads 11 and 12 at the end.
- the module When the sensing line connected to the interbus bar 510 is led outward and the sensing pin 210 at the end of the led portion 216 is led out of the module case 300, the module is in a position different from that in FIG.
- the sensing pin 210 may be positioned outside the case 300 . 9, an opening 330S through which the sensing pin 210 can pass is formed in the front end plate 330 coupled in front of the interbus bar 510 in order to lead the sensing pin 210 of the end to the outside. do.
- the sensing pin 210 having the same structure and the rear end plate 340 having an opening may be installed at the rear end of the module case 300 .
- the interbus bar ( 510) when the above-described venting plate 400 is installed between the columns of the same number of longitudinal unit cells 110, the interbus bar ( 510) can be easily installed.
- insulating elastic members 800 may be inserted into the left and right sides of the venting plate 400.
- inter-bus bar sensing member 630 may be installed at the rear end of the inter-bus bar 510 .
- the longitudinal sensing line 215 can be connected to the interbus bar 510 to sense electrical characteristics of the battery cell, sensing is possible even when connected to the interbus bar sensing member 630 .
- the interbus bar sensing member 630 of this embodiment has body portions facing each other on both sides and has a substantially U-shape in which the opposing body portions are connected to each other (see the plan view of FIG. 10).
- a first hook part 631 into which an inter-bus bar 510 can be inserted protrudes from the top and bottom of the front surface of the body part, and a plurality of sensing pins ( 632) is formed. Accordingly, the inter-bus bar 510 is inserted between the first hook parts 631 and contacts the sensing pin 632 to be electrically connected to the inter-bus bar sensing member 630 .
- the inter-bus bar sensing member 630 has second hook parts 633 on the upper and lower parts of the body.
- the second hook portion 633 is formed through the edge of the through portion of the venting plate 400 (a long hole for coupling the interbus bar sensing member ( 4134513')) is a part that is fitted (see FIG. 3).
- FIG. 11 is a perspective view illustrating a process of assembling a battery pack according to an embodiment of the present invention
- FIG. 12 is a perspective view showing the battery pack according to the embodiment of FIG. 11 in more detail.
- FIG. 11 it is shown that three battery modules 100 of the present invention are stacked in the battery cell thickness direction to form a battery module laminate 1000'.
- a pair of sensing pins 210 and 210' are protruded from the top of the module case 300.
- the sensing pins 210 and 210' of a plurality of battery modules 1000 are combined at once. can connect That is, coupling grooves 1100S into which the sensing pins 210 and 210' are inserted are formed on coupling surfaces of the sensing blocks 1100 and 1100' facing the sensing pins 210 and 210', thereby forming the sensing pins 210 and 210'.
- the sensing blocks 1100 and 1100' can be easily coupled to the sensing blocks 1100 and 1100'.
- the sensing blocks 1100 and 1100' may be separately coupled to the battery module 1000 and the module case 300 of the battery module stack 1000'. .
- a connector is formed as in the prior art or an interbus bar and a harness are installed between modules. inconvenience can be eliminated.
- the coupling of the sensing units can be completed simply by inserting the sensing blocks 1100 and 1100' from the upper part into the sensing pins 210 and 210' from the lower part.
- the sensing blocks 1100 and 1100' are, for example, conductive metal blocks, and may be connected to a BMS of a battery pack by a cable.
- the sensing blocks 1100 and 1100' are installed on the side of the upper module case 300, but when the sensing pins are bent downward from the sensing line 200 in the battery module and lead to the outside, the sensing block 1100, 1100') may be coupled to the lower part of the module case 300.
- the sensing line 200 is connected to all battery cells, both the left and right sensing blocks 1100 and 1100' are not required, but as described above, the battery modules are stacked with electrode leads having different polarities.
- the battery module 1000 includes both the first sensing block 1100 and the second sensing block 1100' respectively coupled to the first sensing pins 210 and the second sensing pins 210'. desirable.
- FIG. 13 is a perspective view illustrating a battery pack according to another embodiment of the present invention.
- the battery pack of this embodiment shows a case where three battery modules of FIG. 9 are stacked in the battery cell thickness direction.
- Another battery pack of the present invention includes a battery module laminate (1000 ′′) formed by stacking a plurality of battery modules (1000) in the battery cell thickness direction; And a side sensing block 1100' coupled to the sensing pins 210 of the sensing line extending in the thickness direction of the battery cell and leading to the outside through the front end plate 330 or the rear end plate 340 of the module case 300. ').
- the front end plate 330 or the rear end plate 340 is formed with an opening 330S through which the sensing pin 210 led out to the front or rear end in the longitudinal direction can pass.
- the sensing pin 210 is coupled to the side sensing block 1100 ′′ extending in the battery cell thickness direction from the front end plate 330 or the rear end plate 340 of the module case 300 .
Abstract
Description
Claims (15)
- 길이방향 양단에 리드가 형성된 전지셀이 길이방향으로 2개 이상 일렬로 배열되어 길이방향 단위셀을 형성하며, 상기 길이방향 단위셀이 상기 전지셀의 두께방향으로 2열 이상 적층되어 이루어진 전지셀 조립체;상기 전지셀 조립체에 포함된 전지셀의 전극 리드에 전기적으로 연결되는 센싱라인; 및상기 전지셀 조립체를 감싸며 수용하는 모듈 케이스를 포함하고,상기 센싱라인의 단부에 상기 모듈 케이스 외부로 도출되는 센싱 핀이 구비되는 배터리 모듈.
- 제1항에 있어서,상기 모듈 케이스는 상기 센싱 핀의 위치에 대응되는 위치에 개구부를 구비하여, 상기 센싱 핀이 상기 개구부를 통하여 외부로 도출되는 배터리 모듈.
- 제1항에 있어서,상기 센싱라인은 상기 전지셀 조립체에 포함된 전지셀의 전극 리드와 결합되는 버스바 및 상기 버스바에 결합되는 센싱부재 중 적어도 하나를 통하여 상기 전지셀 조립체의 모든 전지셀의 전극 리드와 전기적으로 연결되는 배터리 모듈.
- 제3항에 있어서,상기 버스바는 외부 단자와 연결되는 터미널 버스바 및 전지셀의 전극 리드들과 결합되어 전지셀들을 전기적으로 연결하는 인터버스바 중 적어도 하나인 배터리 모듈.
- 제4항에 있어서,상기 전지셀의 길이방향을 기준으로 양측에 각각 동일한 개수의 열의 길이방향 단위셀이 배치되고,상기 양측의 길이방향 단위셀 중 일측의 길이방향 단위셀 또는 길이방향 단위셀들에서 길이방향으로 대향하는 전지셀의 전극 리드는 인터버스바에 각각 결합되고,상기 양측의 길이방향 단위셀 중 타측의 길이방향 단위셀 또는 길이방향 단위셀들에서 길이방향으로 대향하는 전지셀의 전극 리드는 터미널 버스바에 결합되는 배터리 모듈.
- 제5항에 있어서,상기 센싱라인은 상기 인터버스바 및 터미널 버스바에 각각 연결되고,상기 센싱라인의 센싱 핀은 상기 인터버스바 및 터미널 버스바를 연결하는 센싱라인의 부분으로부터 상향 또는 하향으로 절곡되어 모듈 케이스 외부로 도출되는 배터리 모듈.
- 제6항에 있어서,상기 터미널 버스바는, 길이방향으로 서로 대향하는 전지셀의 전극 리드들 중 한쪽의 전극 리드 또는 전극 리드들에 결합되는 제1 터미널 버스바와, 다른 한쪽의 전극 리드 또는 전극 리드들에 결합되는 제2 터미널 버스바로 이루어지고,상기 센싱 핀은 상기 제1 터미널 버스바 측의 제1 센싱 핀과, 상기 제2 터미널 버스바 측의 제2 센싱 핀을 포함하는 배터리 모듈.
- 제6항에 있어서,상기 동일한 개수의 길이방향 단위셀의 열 사이에 상기 모듈 케이스의 전단과 후단에 걸쳐 상기 전지셀의 길이방향으로 연장 설치되고 내부에 벤팅 채널이 형성된 벤팅 플레이트가 설치되고,상기 터미널 버스바, 인터버스바 및 센싱라인은 상기 벤팅 플레이트에 지지되는 배터리 모듈.
- 제3항에 있어서,상기 길이방향 단위셀의 전단과 후단에 상기 길이방향 단위셀의 전단과 후단의 전지셀로부터 도출되는 전극 리드들에 결합되는 인터버스바가 설치되고,상기 센싱라인은 상기 인터버스바에 결합되고 상기 센싱라인의 센싱 핀은 상기 모듈 케이스의 전단부판 및 후단부판 중 적어도 하나를 통하여 외부로 도출되는 배터리 모듈.
- 제9항에 있어서,상기 전지셀의 길이방향을 기준으로 양측에 각각 동일한 개수의 열의 길이방향 단위셀이 배치되고,상기 동일한 개수의 길이방향 단위셀의 열 사이에 상기 모듈 케이스의 전단과 후단에 걸쳐 상기 전지셀의 길이방향으로 연장 설치되고 내부에 벤팅 채널이 형성된 벤팅 플레이트가 설치되고,상기 인터버스바 및 센싱 라인은 상기 벤팅 플레이트에 지지되는 배터리 모듈.
- 제1항 내지 제10항 중 어느 한 항의 배터리 모듈이 전지셀 두께방향으로 복수개 적층되어 형성되는 배터리 모듈 적층체; 및상기 전지셀 두께방향으로 연장되고, 상기 배터리 모듈의 외부로 도출된 센싱 핀들에 각각 결합되는 센싱 블록을 포함하는 배터리 팩.
- 제11항에 있어서,상기 센싱 블록의 상기 센싱 핀에 대향하는 결합면에는 상기 센싱 핀이 끼워지는 결합 홈이 형성된 배터리 팩.
- 제6항의 배터리 모듈이 전지셀 두께방향으로 복수개 적층되어 형성되는 배터리 모듈 적층체; 및상기 전지셀 두께방향으로 연장되고, 상기 배터리 모듈 내의 센싱라인으로부터 상향 또는 하향으로 절곡되어 상기 모듈 케이스 외부로 도출된 센싱 핀들에 각각 결합되는 센싱 블록을 포함하는 배터리 팩.
- 제7항의 배터리 모듈이 전지셀 두께방향으로 복수개 적층되어 형성되는 배터리 모듈 적층체; 및상기 전지셀 두께방향으로 연장되고, 상기 배터리 모듈의 제1 센싱 핀들 및 제2 센싱 핀들에 각각 결합되는 제1 센싱 블록 및 제2 센싱 블록을 포함하는 배터리 팩.
- 제9항의 배터리 모듈이 전지셀 두께방향으로 복수개 적층되어 형성되는 배터리 모듈 적층체; 및상기 전지셀 두께방향으로 연장되고 상기 모듈 케이스의 전단부판 또는 후단부판을 통하여 외부로 도출되는 센싱 라인의 센싱 핀들에 결합되는 측부 센싱 블록을 포함하는 배터리 팩.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22893146.5A EP4318788A1 (en) | 2021-11-12 | 2022-11-08 | Battery module and battery pack comprising same |
CA3219127A CA3219127A1 (en) | 2021-11-12 | 2022-11-08 | Battery module and battery pack comprising same |
CN202280033888.1A CN117337517A (zh) | 2021-11-12 | 2022-11-08 | 电池模块及包含该电池模块的电池组 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020210155933A KR102656950B1 (ko) | 2021-11-12 | 배터리 모듈 및 이를 포함한 배터리 팩 | |
KR10-2021-0155933 | 2021-11-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023085726A1 true WO2023085726A1 (ko) | 2023-05-19 |
Family
ID=86336103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2022/017445 WO2023085726A1 (ko) | 2021-11-12 | 2022-11-08 | 배터리 모듈 및 이를 포함한 배터리 팩 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP4318788A1 (ko) |
KR (1) | KR20240023398A (ko) |
CN (1) | CN117337517A (ko) |
CA (1) | CA3219127A1 (ko) |
WO (1) | WO2023085726A1 (ko) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101717197B1 (ko) * | 2014-05-22 | 2017-03-16 | 주식회사 엘지화학 | 복수의 단위셀들로 구성된 플렉서블 전지 |
KR101746127B1 (ko) * | 2013-08-23 | 2017-06-12 | 주식회사 엘지화학 | 직렬 연결 구조의 적층형 전지모듈 |
KR101747400B1 (ko) * | 2013-08-23 | 2017-06-27 | 주식회사 엘지화학 | 링 단자 가이드를 포함하는 전지모듈 |
KR102093942B1 (ko) * | 2015-09-21 | 2020-03-26 | 주식회사 엘지화학 | 전지팩의 와이어 조립 구조 및 그 조립 방법 |
KR20210042658A (ko) * | 2019-10-10 | 2021-04-20 | 주식회사 엘지화학 | 직렬연결 및 전압 센싱 방식을 개선한 배터리 팩 |
KR102259416B1 (ko) | 2017-12-14 | 2021-06-01 | 주식회사 엘지에너지솔루션 | 버스바 어셈블리를 포함하는 배터리 모듈 |
KR20210155933A (ko) | 2020-06-17 | 2021-12-24 | 아베스타 바라미안 | 맵 기반 유저 연결 플랫폼 |
-
2022
- 2022-11-08 WO PCT/KR2022/017445 patent/WO2023085726A1/ko active Application Filing
- 2022-11-08 EP EP22893146.5A patent/EP4318788A1/en active Pending
- 2022-11-08 CN CN202280033888.1A patent/CN117337517A/zh active Pending
- 2022-11-08 CA CA3219127A patent/CA3219127A1/en active Pending
-
2024
- 2024-01-30 KR KR1020240014051A patent/KR20240023398A/ko active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101746127B1 (ko) * | 2013-08-23 | 2017-06-12 | 주식회사 엘지화학 | 직렬 연결 구조의 적층형 전지모듈 |
KR101747400B1 (ko) * | 2013-08-23 | 2017-06-27 | 주식회사 엘지화학 | 링 단자 가이드를 포함하는 전지모듈 |
KR101717197B1 (ko) * | 2014-05-22 | 2017-03-16 | 주식회사 엘지화학 | 복수의 단위셀들로 구성된 플렉서블 전지 |
KR102093942B1 (ko) * | 2015-09-21 | 2020-03-26 | 주식회사 엘지화학 | 전지팩의 와이어 조립 구조 및 그 조립 방법 |
KR102259416B1 (ko) | 2017-12-14 | 2021-06-01 | 주식회사 엘지에너지솔루션 | 버스바 어셈블리를 포함하는 배터리 모듈 |
KR20210042658A (ko) * | 2019-10-10 | 2021-04-20 | 주식회사 엘지화학 | 직렬연결 및 전압 센싱 방식을 개선한 배터리 팩 |
KR20210155933A (ko) | 2020-06-17 | 2021-12-24 | 아베스타 바라미안 | 맵 기반 유저 연결 플랫폼 |
Also Published As
Publication number | Publication date |
---|---|
CN117337517A (zh) | 2024-01-02 |
EP4318788A1 (en) | 2024-02-07 |
KR20230069687A (ko) | 2023-05-19 |
KR20240023398A (ko) | 2024-02-21 |
CA3219127A1 (en) | 2023-05-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2016204470A1 (ko) | 카트리지 및 이를 포함하는 전지 모듈 | |
WO2019059538A1 (ko) | 가이드 결합 구조를 포함한 배터리 모듈 및 그것을 포함한 배터리 팩 | |
WO2021145706A1 (ko) | 방염 시트를 구비한 배터리 모듈, 이를 포함하는 배터리 랙, 및 전력 저장 시스템 | |
WO2020071642A1 (ko) | 접속 플레이트를 구비한 배터리 팩 | |
WO2021118028A1 (ko) | 인근 모듈로의 가스 이동을 방지할 수 있는 전지 모듈 | |
WO2021141345A1 (ko) | 안전성이 향상된 배터리 팩 | |
WO2018186604A1 (ko) | 배터리 팩 | |
WO2019107938A1 (ko) | 전장 어셈블리 및 상기 전장 어셈블리를 포함하는 배터리 팩 | |
WO2021075780A1 (ko) | 배터리 팩 및 전자 디바이스 및 자동차 | |
WO2020138849A1 (ko) | 내측 커버를 포함하는 배터리 모듈 | |
WO2020022678A1 (ko) | 도포 방지부가 구비된 셀 프레임을 포함하는 이차전지 팩 | |
WO2021045449A1 (ko) | 커넥터 및 배터리 관리 유닛 및 배터리 팩 | |
WO2023085726A1 (ko) | 배터리 모듈 및 이를 포함한 배터리 팩 | |
WO2022097935A1 (ko) | 전지 모듈 및 이를 포함하는 전지팩 | |
WO2021002710A1 (ko) | 접속 플레이트를 구비한 배터리 팩 및 전자 디바이스 및 자동차 | |
WO2023080742A1 (ko) | 배터리 모듈 및 이를 포함한 배터리 팩 | |
WO2023075229A1 (ko) | 배터리 모듈 및 이를 포함한 배터리 팩 | |
WO2015046635A1 (ko) | 배터리 모듈 및 이를 포함하는 중대형 배터리 모듈 | |
WO2021107517A1 (ko) | 배터리 팩, 전자 디바이스, 및 자동차 | |
WO2021049820A1 (ko) | 배터리 랙 및 이를 포함하는 전력 저장 장치 | |
WO2021221306A1 (ko) | 전지 모듈 및 이를 포함하는 전지팩 | |
WO2023085729A1 (ko) | 배터리 모듈 및 이를 포함한 배터리 팩 | |
WO2021141397A1 (ko) | 접속 플레이트를 구비한 배터리 팩, 전자 디바이스, 및 자동차 | |
WO2020145530A1 (ko) | 내부 플레이트를 포함한 배터리 모듈 | |
WO2023085732A1 (ko) | 배터리 모듈 및 이를 포함한 배터리 팩 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22893146 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2022893146 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2023568717 Country of ref document: JP |
|
ENP | Entry into the national phase |
Ref document number: 2022893146 Country of ref document: EP Effective date: 20231103 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 3219127 Country of ref document: CA |