CN220368024U - Battery cell assembly, battery and battery module - Google Patents
Battery cell assembly, battery and battery module Download PDFInfo
- Publication number
- CN220368024U CN220368024U CN202321126882.7U CN202321126882U CN220368024U CN 220368024 U CN220368024 U CN 220368024U CN 202321126882 U CN202321126882 U CN 202321126882U CN 220368024 U CN220368024 U CN 220368024U
- Authority
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- China
- Prior art keywords
- current collector
- sealing member
- battery
- cell assembly
- separator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 86
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims 1
- 238000005192 partition Methods 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003792 electrolyte Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/289—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
- H01M50/291—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 characterised by their shape
-
- 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
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- 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
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- 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
- H01M50/293—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 characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
-
- 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
- H01M50/51—Connection only in series
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to the technical field of batteries, and particularly provides a battery cell assembly, a battery and a battery module. Specifically, the battery cell assembly comprises two battery cells which are arranged in the thickness direction and are separated from each other, a partition plate arranged between the two battery cells, a conductive piece connected with the two battery cells and a sealing member, wherein the sealing member comprises a first sealing member and a second sealing member which are positioned at two sides of the partition plate, and the first sealing member and the second sealing member are respectively arranged between two ends of the conductive piece and the partition plate in the thickness direction. Through set up first sealing member and second sealing member respectively in the both sides of baffle to can seal the gap between the both ends of electrically conductive piece and the both sides face on the baffle thickness direction simultaneously, so that carry out abundant separation to the electrolyte of baffle both sides, sealed effect is better, thereby can show the quality that improves the battery.
Description
Technical Field
The utility model relates to the technical field of batteries, and particularly provides a battery cell assembly, a battery and a battery module.
Background
New energy automobiles are receiving more and more attention due to the characteristics of low noise, no pollution, high energy efficiency and the like, thereby promoting the accelerated development of the new energy automobiles. At present, a new energy automobile usually uses a battery as a power source, which provides a wide space for the application and development of lithium ion batteries.
In order to increase the energy density of the battery, some batteries have two cells mounted simultaneously in a housing, however, the sealing scheme of the battery between the two cells is poor, thereby affecting the quality of the battery.
Accordingly, there is a need in the art for a new solution to the above-mentioned problems.
Disclosure of Invention
The utility model aims to solve the technical problems, namely the problem that the sealing scheme of the existing battery for two battery cores is poor, so that the quality of the battery is affected.
In a first aspect, the present utility model provides a battery cell assembly, the battery cell assembly includes two battery cells arranged in a thickness direction and separated from each other, a separator disposed between the two battery cells, a conductive member connected to the two battery cells, and a sealing member including a first sealing member and a second sealing member disposed at both sides of the separator, the first sealing member and the second sealing member being disposed between both ends of the conductive member and the separator, respectively, in the thickness direction.
According to the sealing member provided by the utility model, the first sealing member and the second sealing member are respectively arranged on the two sides of the separator, so that gaps between the two ends of the conductive piece and the separator are sealed, the electrolyte on the two sides of the separator is effectively blocked, the sealing effect is better, and the quality of a battery can be obviously improved.
In a preferred technical solution of the above battery cell assembly, the battery cell assembly further includes a current collector connected to the conductive member and the battery cell, and the first sealing member or the second sealing member is located between the current collector and the separator.
In the preferred technical scheme of the battery cell assembly, the separator is provided with a through hole, the first sealing member comprises a first cylindrical body and a first annular sealing part, the first cylindrical body is positioned between the conductive piece and the through hole, and the first annular sealing part is positioned between the current collector and the separator; and/or the second sealing member includes a second cylindrical body located between the conductive member and the through hole, and a second annular sealing portion located between the current collector and the separator.
By such arrangement, the sealing effect can be further improved.
In the preferred technical scheme of the battery cell assembly, the current collector comprises a first current collector and a second current collector which are respectively and electrically connected with the conductive piece, the first current collector and the second current collector are respectively positioned on two sides of the partition board, the first current collector is respectively connected with one end of the conductive piece and one of the two battery cells, the second current collector is respectively connected with the other end of the conductive piece and the other battery cell of the two battery cells, the first annular sealing part is positioned between the first current collector and the partition board, and the second annular sealing part is positioned between the second current collector and the partition board.
In the preferred technical scheme of the battery cell assembly, the battery cell assembly further comprises an insulating member, and the insulating member is arranged between the first current collector and/or the second current collector and the separator.
In a preferred embodiment of the above battery cell assembly, the insulating member further includes a first insulating member, the first insulating member being located between the first current collector and the separator, and/or the insulating member further includes a second insulating member, the second insulating member being located between the second current collector and the separator.
Through the arrangement, the condition that the battery cores on two sides of the partition plate are short-circuited can be better avoided.
In the preferred technical scheme of the battery cell assembly, the number of the conductive pieces is multiple.
With such an arrangement, the current transmission speed can be increased.
In the preferred technical scheme of the battery cell assembly, the conductive member is cylindrical.
Through such setting for the intensity of electrically conductive spare is better, is difficult for taking place to warp, thereby can improve the reliability of electric core subassembly.
In the preferred technical scheme of the electrical core assembly, one of the first current collector and the second current collector is made of aluminum and the other is made of copper.
In a second aspect, the present utility model provides a battery comprising the above-described cell assembly.
In a third aspect, the present utility model provides a battery module comprising the battery described above.
Drawings
Preferred embodiments of the present utility model are described below with reference to the accompanying drawings, in which:
fig. 1 is an exploded view of a battery of the present utility model;
fig. 2 is an exploded schematic view of a separator, a first current collector, a second current collector, a first sealing member, a second sealing member, a first insulating member, and a second insulating member of the cell assembly of the present utility model;
fig. 3 is an assembled schematic view of a separator, a first current collector, a second current collector, a first sealing member, a second sealing member, a first insulating member, and a second insulating member of the cell assembly of the present utility model;
FIG. 4 is a cross-sectional view at A-A in FIG. 3;
fig. 5 is an exploded view of the sealing member of the cell assembly of the present utility model.
List of reference numerals:
11. a first housing; 12. a second housing; 2. a first cell; 3. a second cell; 4. a partition plate; 41. a through hole; 51. a first current collector; 52. a second current collector; 53. a conductive member; 61. a first sealing member; 62. a second sealing member; 611. a first cylindrical body; 612. a first annular seal; 621. a second cylindrical body; 622. a second annular seal; 71. a first insulating member; 72. and a second insulating member.
Detailed Description
Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.
It should be noted that, in the description of the present utility model, terms such as "inner", "outer", "upper", "lower", "top", "bottom", and the like, which indicate a direction or a positional relationship, are based on the direction or the positional relationship shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present utility model, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "mounted" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
Specifically, the battery module comprises a battery, the battery comprises a shell and a battery cell assembly arranged in the shell, a sealing member is arranged on the battery cell assembly, as shown in fig. 1, the battery cell assembly comprises at least two battery cells and at least one partition board 4, the partition board 4 divides the interior of the shell into a plurality of mutually independent chambers, the chambers are distributed along the thickness direction of the shell, and each chamber is internally provided with one battery cell. The thickness direction of the housing is a direction perpendicular to a surface of the housing having the largest area.
Through jointly installing a plurality of electric cores in same casing to can reduce the space that the casing occupy, and then be favorable to improving the energy density of battery.
As shown in fig. 1, the number of the partition plates 4 is one, the interior of the housing is divided into two chambers which are independent of each other, namely, the number of the chambers is two, namely, a first chamber and a second chamber, the first chamber and the second chamber are distributed along the thickness direction of the housing, the housing comprises a first housing 11 and a second housing 12 which are oppositely arranged, one side of the partition plates 4 is in sealing connection with the first housing 11 and encloses the first chamber, the other side of the partition plates 4 is in sealing connection with the second housing 12 and encloses the second chamber, the number of the electric cores is also two, namely, a first electric core 2 and a second electric core 3, and the first electric core 2 and the second electric core 3 are respectively installed in the first chamber and the second chamber.
It should be noted that the number of the chambers is not limited to two, for example, the number of the chambers may be three or five, and the number of the partition plates 4 may be two or four, which do not deviate from the principle and scope of the present utility model.
The technical scheme of the utility model is further described below by taking the number of the chambers as two as an example.
As shown in fig. 1 to 5, the cell assembly of the present utility model further includes a conductive element 53, the separator 4 is provided with a through hole 41 through which the conductive element 53 passes, the conductive element 53 passes through the through hole 41 on the separator 4 to electrically connect the cells (i.e., the first cell 2 and the second cell 3) on both sides of the separator 4, the sealing members include a first sealing member 61 and a second sealing member 62 on both sides of the separator 4, and the first sealing member 61 and the second sealing member 62 are both disposed between the conductive element 53 and the separator 4.
The first sealing member 61 and the second sealing member 62 positioned at both sides of the separator 4 simultaneously seal the gaps between both ends of the conductive member 53 and both side surfaces of the separator 4 in the thickness direction so as to achieve sufficient blocking of the electrolyte at both sides of the separator 4, and the sealing effect is better, thereby enabling significant improvement in the quality of the battery.
Among them, the first sealing member 61 and the second sealing member 62 are preferably made of a rubber material.
In practical applications, the first seal member 61 and the second seal member 62 may be configured by a seal ring, a seal cartridge, or the like, so long as the gap between the conductive member 53 and the through hole 41 in the separator 4 can be sealed by the first seal member 61 and the second seal member 62.
Preferably, as shown in fig. 1 to 4, the cell assembly of the present utility model further includes a current collector connecting the conductive piece 53 and the cell, and the first sealing member 61 or the second sealing member 62 is further between the current collector and the separator 4.
That is, both ends of the conductive member 53 are indirectly connected to the cells on both sides of the separator 4 through the current collector, and in addition, the first sealing member 61 or the second sealing member 62 can seal the gap between the current collector and the separator 4 in addition to sealing the gap between the conductive member 53 and the through hole 41, thereby achieving a better sealing effect.
Preferably, as shown in fig. 1 and 2, the current collector includes a first current collector 51 and a second current collector 52 electrically connected.
The first current collector 51 and the second current collector 52 are both located in the housing, the first current collector 51 and the second current collector 52 are located at two sides of the partition board 4, the first current collector 51 and the second current collector 52 are electrically connected with tabs of electric cores located at two sides of the partition board 4 (i.e., the first electric core 2 and the second electric core 3), the conductive piece 53 is located between the first current collector 51 and the second current collector 52, the partition board 4 is provided with a through hole 41 at a position corresponding to the conductive piece 53, the first current collector 51 electrically connects one end of the conductive piece 53 with the first electric core 2, and the second current collector 52 electrically connects the other end of the conductive piece 53 with the second electric core 3, so as to electrically connect the first electric core 2 with the second electric core 3.
The first battery cell 2 and the second battery cell 3 are electrically connected through the first current collector 51 and the second current collector 52 which are positioned in the shell and the conductive piece 53 between the first current collector 51 and the second current collector 52, so that the safety and the reliability are improved.
Illustratively, as shown in fig. 2, the first current collector 51 is located below the separator 4, the bottom surface of the first current collector 51 is electrically connected to the negative electrode tab of the first electric cell 2, the bottom end of the conductive member 53 is electrically connected to the top surface of the first current collector 51, the top end of the conductive member 53 passes through the through hole 41 on the separator 4 and is electrically connected to the second current collector 52 above the separator 4, and the top surface of the second current collector 52 is electrically connected to the positive electrode tab of the second electric cell 3, so as to electrically connect the first electric cell 2 to the second electric cell 3, such as in series or parallel.
The first current collector 51, the second current collector 52 and the conductive member 53 are all made of metal materials, for example, aluminum, copper or nickel, and in practical application, those skilled in the art can flexibly select specific materials of the first current collector 51, the second current collector 52 and the conductive member 53 according to design requirements.
It should be noted that, in practical applications, those skilled in the art may set the first current collector 51 and the second current collector 52 to have a plate-like structure, or may set the first current collector 51 and the second current collector 52 to have a block-like structure, or may set one of the first current collector 51 and the second current collector 52 to have a block-like structure, and the other to have a plate-like structure, and such modifications and changes on the specific shapes of the first current collector 51 and the second current collector 52 do not deviate from the principle and scope of the present utility model, and should be limited to the scope of the present utility model.
Preferably, one of the first current collector 51 and the second current collector 52 is an aluminum plate, and the other of the first current collector 51 and the second current collector 52 is a copper plate.
The aluminum plate is connected with the negative electrode lug of the first electric core 2, and the copper plate is electrically connected with the positive electrode lug of the second electric core 3.
Preferably, as shown in fig. 3 to 5, the first sealing member 61 includes a first cylindrical body 611 and a first annular sealing portion 612 provided on an outer wall of the first cylindrical body 611, the first cylindrical body 611 being sleeved on the conductive member 53 between the conductive member 53 and the through hole 41, the first annular sealing portion 612 being located between the first current collector 51 and one side of the separator 4.
That is, the first sealing member 61 seals the gap between the conductive element 53 and the through hole 41 by the first cylindrical body 611, seals the gap between the first current collector 51 and the separator 4 by the first annular sealing portion 612, and furthermore, the first annular sealing portion 612 also functions as insulation.
Preferably, as shown in fig. 3 to 5, the second sealing member 62 includes a second cylindrical body 621 and a second annular sealing portion 622 provided on an outer wall of the second cylindrical body 621, the second cylindrical body 621 being fitted over the conductive piece 53.
Similar to the first sealing member 61, the second sealing member 62 seals the gap between the conductive piece 53 and the through hole 41 by the second cylindrical body 621, seals the gap between the second current collector 52 and the separator 4 by the second annular sealing portion 622, and furthermore, the second annular sealing portion 622 can also function as insulation.
Illustratively, as shown in fig. 4, the first sealing member 61 and the second sealing member 62 are distributed along the vertical direction, the first sealing member 61 is located above the second sealing member 62, the first cylindrical body 611 and the second cylindrical body 621 are both sleeved on the conductive piece 53, the bottom end of the first cylindrical body 611 is sealed against the top end of the second cylindrical body 621, the upper surface of the first annular sealing portion 612 is sealed against the lower surface of the first current collector 51, the lower surface of the first annular sealing portion 612 is sealed against the upper surface of the separator 4, the upper surface of the second annular sealing portion 622 is sealed against the lower surface of the separator 4, and the lower surface of the second annular sealing portion 622 is sealed against the upper surface of the second current collector 52.
Preferably, as shown in fig. 2, the cell assembly of the present utility model further includes an insulating member disposed between the first current collector 51 and/or the second current collector 52 and the separator 4, thereby achieving insulation between the first current collector 51 and/or the second current collector 52 and the separator 4.
Further, as shown in fig. 2, the insulating member includes a first insulating member 71, and the first insulating member 71 is located between the first current collector 51 and the separator 4.
Preferably, as shown in fig. 2, the insulating member further includes a second insulating member 72, and the second insulating member 72 is located between the second current collector 52 and the separator 4.
By providing the first insulating member 71 and the second insulating member 72 between the first current collector 51 and the separator 4 and between the second current collector 52 and the separator 4, respectively, it is possible to better avoid the occurrence of a short circuit of the first cell 2 and the second cell 3.
Wherein, in the case of the completion of the installation, the conductive piece 53 is electrically connected to the second current collector 52 through the first insulating member 71, the separator 4, and the second insulating member 72 in this order. The first insulating member 71 and the second insulating member 72 are preferably made of an insulating material such as plastic or rubber.
Preferably, as shown in fig. 2, the number of the conductive members 53 is plural.
By providing a plurality of conductive members 53 to electrically connect the two cells, the current transmission speed can be increased.
Illustratively, the number of the conductive members 53 is two, the two conductive members 53 are spaced apart along the length direction of the first current collector 51, and the separator 4 is provided with one through hole 41 at each position corresponding to the two conductive members 53.
It should be noted that the number of the conductive members 53 is not limited to two, for example, the number of the conductive members 53 may be three or four, and such specific number of the conductive members 53 may be adjusted and changed without departing from the principle and scope of the present utility model, which should be limited to the protection scope of the present utility model.
In addition, it should be noted that, in practical applications, those skilled in the art may set the conductive member 53 to a plate-like structure, or may set the conductive member 53 to a columnar structure, etc., and such modifications and changes to the specific shape of the conductive member 53 do not deviate from the principle and scope of the present utility model, and should be limited to the protection scope of the present utility model.
Preferably, as shown in fig. 2, the conductive member 53 is cylindrical.
By arranging the conductive member 53 in a columnar structure, the strength is better, deformation is not easy to occur, and the reliability of the battery cell assembly is higher.
It should be noted that, in practical applications, those skilled in the art may set the conductive member 53 to a cylindrical structure, or may set the conductive member 53 to a square cylindrical structure, or may set the conductive member 53 to a triangular cylindrical structure, etc., and such flexible adjustment and modification should not deviate from the principle and scope of the present utility model and should be limited to the protection scope of the present utility model.
Of course, the present utility model preferably provides the conductive member 53 in a cylindrical structure.
Preferably, the separator 4 is an aluminum plate.
By arranging the partition plate 4 to be an aluminum plate, the weight of the battery cell assembly can be reduced, the light weight requirement can be met, and in addition, the cost can be reduced.
Those skilled in the art will appreciate that while some embodiments described herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the present application and form different embodiments. For example, in the claims of the present application, any of the claimed embodiments may be used in any combination.
Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.
Claims (10)
1. The utility model provides a battery cell assembly, its characterized in that, the battery cell assembly includes two electric cores that arrange and separate each other in the thickness direction, set up in baffle between two electric cores, with the electrically conductive piece and the sealing member that two electric cores are connected, the sealing member is including being located first sealing member and the second sealing member of baffle both sides, in the thickness direction, first sealing member with the second sealing member set up respectively in between the both ends of electrically conductive piece with the baffle.
2. The cell assembly of claim 1, further comprising a current collector connected to the electrical conductor and the cell, wherein the first sealing member or the second sealing member is between the current collector and the separator.
3. The cell assembly of claim 2, wherein the separator has a through-hole, the first sealing member comprising a first cylindrical body and a first annular seal, the first cylindrical body being located between the conductive member and the through-hole, the first annular seal being located between the current collector and the separator; and/or
The second sealing member includes a second cylindrical body located between the conductive member and the through hole, and a second annular sealing portion located between the current collector and the separator.
4. The cell assembly of claim 3, wherein the current collector comprises a first current collector and a second current collector electrically connected to the conductive member, respectively, the first current collector and the second current collector being located on two sides of the separator, respectively, the first current collector being connected to one end of the conductive member and one of the two cells, respectively, the second current collector being connected to the other end of the conductive member and the other of the two cells, respectively, the first annular seal being located between the first current collector and the separator, the second annular seal being located between the second current collector and the separator.
5. The cell assembly of claim 4, further comprising an insulating member disposed between the first current collector and/or the second current collector and the separator.
6. The cell assembly of claim 4, wherein one of the first current collector and the second current collector is aluminum and the other is copper.
7. The cell assembly of any one of claims 1 to 6, wherein the number of conductive members is a plurality.
8. The cell assembly of any one of claims 1 to 6, wherein the conductive member is cylindrical.
9. A battery characterized in that the cell assembly comprises the cell assembly of any one of claims 1 to 8.
10. A battery module, characterized in that the battery module comprises the battery according to claim 9.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221175478 | 2022-05-10 | ||
| CN2022211754784 | 2022-05-10 | ||
| CNPCT/CN2022/126415 | 2022-10-20 | ||
| PCT/CN2022/126415 WO2023216512A1 (en) | 2022-05-10 | 2022-10-20 | Battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220368024U true CN220368024U (en) | 2024-01-19 |
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| CN202321127157.1U Active CN220368099U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly, battery module and vehicle |
| CN202310530309.0A Pending CN117039290A (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery |
| CN202321131349.XU Active CN220368111U (en) | 2022-05-10 | 2023-05-10 | Battery cell |
| CN202321126367.9U Active CN220306462U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery |
| CN202321131376.7U Active CN220368012U (en) | 2022-05-10 | 2023-05-10 | Battery cell |
| CN202321131187.XU Active CN220368100U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery |
| CN202321127165.6U Active CN220774655U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly, battery and battery module |
| CN202321127204.2U Active CN220368097U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery |
| CN202321126882.7U Active CN220368024U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly, battery and battery module |
| CN202321126811.7U Active CN220527041U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery |
| CN202321131251.4U Active CN220368025U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery |
| CN202321131281.5U Active CN220368115U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery comprising same |
| CN202321127182.XU Active CN220368096U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery |
| CN202321126895.4U Active CN220368009U (en) | 2022-05-10 | 2023-05-10 | Battery cell |
| CN202310528423.XA Pending CN117458075A (en) | 2022-05-10 | 2023-05-10 | Battery cell |
| CN202321131240.6U Active CN220368114U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery |
| CN202321126856.4U Active CN220368007U (en) | 2022-05-10 | 2023-05-10 | Battery cell |
| CN202321126465.2U Active CN220324656U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321126560.2U Active CN220774630U (en) | 2022-05-10 | 2023-05-10 | Battery cell |
| CN202321127157.1U Active CN220368099U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly, battery module and vehicle |
| CN202310530309.0A Pending CN117039290A (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery |
| CN202321131349.XU Active CN220368111U (en) | 2022-05-10 | 2023-05-10 | Battery cell |
| CN202321126367.9U Active CN220306462U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery |
| CN202321131376.7U Active CN220368012U (en) | 2022-05-10 | 2023-05-10 | Battery cell |
| CN202321131187.XU Active CN220368100U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery |
| CN202321127165.6U Active CN220774655U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly, battery and battery module |
| CN202321127204.2U Active CN220368097U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321126811.7U Active CN220527041U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery |
| CN202321131251.4U Active CN220368025U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery |
| CN202321131281.5U Active CN220368115U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery comprising same |
| CN202321127182.XU Active CN220368096U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery |
| CN202321126895.4U Active CN220368009U (en) | 2022-05-10 | 2023-05-10 | Battery cell |
| CN202310528423.XA Pending CN117458075A (en) | 2022-05-10 | 2023-05-10 | Battery cell |
| CN202321131240.6U Active CN220368114U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery |
| CN202321126856.4U Active CN220368007U (en) | 2022-05-10 | 2023-05-10 | Battery cell |
| CN202321126465.2U Active CN220324656U (en) | 2022-05-10 | 2023-05-10 | Battery cell assembly and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (19) | CN220774630U (en) |
-
2023
- 2023-05-10 CN CN202321126560.2U patent/CN220774630U/en active Active
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- 2023-05-10 CN CN202310530309.0A patent/CN117039290A/en active Pending
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- 2023-05-10 CN CN202321126465.2U patent/CN220324656U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN220368115U (en) | 2024-01-19 |
| CN220306462U (en) | 2024-01-05 |
| CN220368009U (en) | 2024-01-19 |
| CN220368012U (en) | 2024-01-19 |
| CN220368099U (en) | 2024-01-19 |
| CN220368111U (en) | 2024-01-19 |
| CN220774655U (en) | 2024-04-12 |
| CN220368025U (en) | 2024-01-19 |
| CN220324656U (en) | 2024-01-09 |
| CN220368100U (en) | 2024-01-19 |
| CN220774630U (en) | 2024-04-12 |
| CN220368114U (en) | 2024-01-19 |
| CN117458075A (en) | 2024-01-26 |
| CN220368097U (en) | 2024-01-19 |
| CN220527041U (en) | 2024-02-23 |
| CN220368007U (en) | 2024-01-19 |
| CN117039290A (en) | 2023-11-10 |
| CN220368096U (en) | 2024-01-19 |
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