CN212659645U - Battery module and battery module - Google Patents

Battery module and battery module Download PDF

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Publication number
CN212659645U
CN212659645U CN202020867249.3U CN202020867249U CN212659645U CN 212659645 U CN212659645 U CN 212659645U CN 202020867249 U CN202020867249 U CN 202020867249U CN 212659645 U CN212659645 U CN 212659645U
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battery
battery module
modules
module
tabs
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尹相柱
黄小杰
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Huizhou Xinminghai Technology Co ltd
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Huizhou Xinminghai Technology Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model relates to a battery energy technical field provides a battery module and battery module, and battery module includes a plurality of battery module. The battery module comprises a support, two battery cores and two bus bars, wherein the two battery cores and the two bus bars are respectively arranged on the support. Every electric core includes electric core body and two utmost point ears, every two of electric core the utmost point ear connect respectively in the one end of electric core body, one of them the busbar with every one of electric core the utmost point ear welding, another the busbar with every electric core another the utmost point ear welding, two the busbar forms respectively battery module's positive pole and negative pole. The lug is connected with the bus bar in a welding mode, so that the lug is prevented from being punched to form local stress and local temperature rise, the overcurrent capacity of the lug is greatly improved, and the use safety of the battery module is improved.

Description

Battery module and battery module
[ technical field ] A method for producing a semiconductor device
The utility model relates to a battery energy technical field, in particular to battery module and battery module.
[ background of the invention ]
In recent years, lithium batteries are widely used, especially in the field of power supplies. Traditional battery module can set up the screw hole on battery support, and the utmost point ear department of electric core is beaten the mounting hole again, utilizes screw fixed utmost point ear and battery support. However, holes punched at the tabs of the battery core can form local stress, so that the stress of the whole tabs is uneven, the overcurrent capacity of the tabs is seriously damaged, the internal resistance of the tabs is increased, the local easy temperature rise of the battery module in a working state is caused, and the use safety of the battery module is influenced.
[ Utility model ] content
In order to solve the technical problem, the embodiment of the utility model provides a battery module and battery module can improve utmost point ear overcurrent's ability, increases the security that battery module used.
The embodiment of the utility model provides a solve its technical problem and adopt following technical scheme:
in a first aspect, a battery module is provided, including:
a support:
the two battery cells are respectively arranged on the bracket, each battery cell comprises a battery cell body and two tabs, the two tabs of each battery cell are respectively connected to one end of the battery cell body, one tab is arranged on the first side, and the other tab is arranged on the second side;
and the two bus bars are respectively arranged at one end of the support, one of the bus bars is welded with one of the tabs on the first side of each battery cell, and the other bus bar is welded with one of the tabs on the second side of each battery cell, so that the two bus bars respectively form the positive pole and the negative pole of the battery module.
Optionally, two holding grooves are respectively formed in two opposite surfaces of the support, and the two battery cell bodies are respectively held in the two holding grooves.
Optionally, one end of the support is provided with two mounting grooves, one of the mounting grooves is arranged between the tabs on the first sides of the two battery cells, and the other mounting groove is arranged between the tabs on the second sides of the two battery cells;
each bus bar is arranged in one corresponding mounting groove.
In a second aspect, a battery module is provided, including:
the battery module of any one of the above claims, wherein the number of the battery modules is multiple, and the multiple battery modules comprise a first battery module and a second battery module;
the anode of the first battery module is arranged at the first side, and the cathode of the first battery module is arranged at the second side;
the negative electrode of the second battery module is arranged at the first side, and the positive electrode of the second battery module is arranged at the second side;
wherein the first battery module is electrically connected with the second battery module.
Optionally, the battery module comprises at least two first battery assemblies and at least two second battery assemblies, wherein the at least two first battery assemblies and the at least two second battery assemblies are alternately arranged;
each first battery assembly comprises two first battery modules which are abutted;
each second battery assembly comprises two second battery modules which are abutted.
Optionally, the battery module further comprises a parallel busbar and a series busbar;
the number of the parallel busbars is two, one of the parallel busbars is arranged on one first battery assembly at one end, and the other parallel busbar is arranged on one second battery assembly at the other end;
the number of the serial buses is at least three, and a corresponding one of the serial buses is connected between every adjacent one of the first battery modules and one of the second battery modules.
Optionally, the battery module further comprises heat insulation cotton, and one heat insulation cotton is arranged between every two adjacent battery modules.
Optionally, the battery module further comprises an inter-electrode separator, and one inter-electrode separator is arranged between every two adjacent first battery packs and every two adjacent second battery packs.
Optionally, the battery module further includes two epoxy plates, one of the epoxy plates abuts against the cell body of the first battery module at one end, and the other of the epoxy plates abuts against the cell body of the second battery module at the other end.
Optionally, the battery module further comprises a fixing plate and a fixing member;
the number of the fixing plates is two, the fixing plates are respectively arranged at two ends of the battery module, and the first battery assembly and the second battery assembly are arranged between the two fixing plates;
the fixing member fixes the first battery pack, the second battery pack, and the two fixing plates.
Compared with the prior art, in the embodiment of the utility model, the busbar fixed mounting in on the support, every two of electricity core utmost point ear pass through welded mode respectively with two the busbar is firmly connected, two the busbar forms respectively battery module's positive pole and negative pole can avoid punching on the utmost point ear and form local atress, local intensification, improved greatly utmost point ear overcurrent's ability to the security that battery module used has been improved.
[ description of the drawings ]
One or more embodiments are illustrated in drawings corresponding to, and not limiting to, the embodiments, in which elements having the same reference number designation may be represented as similar elements, unless specifically noted, the drawings in the figures are not to scale.
Fig. 1 is a schematic structural diagram of a battery module according to an embodiment of the present invention;
fig. 2 is an exploded view of the battery module shown in fig. 1;
fig. 3 is a structural view of a bracket of the battery module shown in fig. 1;
fig. 4 is a schematic structural diagram of a battery module according to another embodiment of the present invention;
fig. 5 is a schematic structural view of a battery module according to another embodiment of the present invention;
fig. 6 is an exploded view of the battery module shown in fig. 5;
fig. 7 is a schematic structural view of a battery module and a bus bar of the battery module shown in fig. 5;
fig. 8 is an exploded view of the battery module shown in fig. 5 from another perspective, with some components omitted;
fig. 9 is a schematic structural view of a fixing member of the battery module shown in fig. 5.
[ detailed description ] embodiments
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "inner", "outer", "bottom", and the like as used herein are used in the description to indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to 3, one embodiment of the present invention provides a battery module, i.e. a first battery module 10a, including a support 11a, a battery cell 12 and a bus bar 13. The battery cell 12 and the bus bar 13 are respectively mounted on the bracket 11a, and the battery cell 12 and the bus bar 13 are connected.
Support 11a adopts the fire-retardant material of plastic, support 11a is equipped with anodal sign and negative pole sign along first direction, anodal sign with the negative pole sign is located respectively the relative both sides of support 11a, wherein, anodal sign is located first side F1, the negative pole sign is located second side F1. The support 11a is provided with two accommodating grooves 110, the two accommodating grooves 110 are respectively arranged on two opposite surfaces of the support 11a, and the accommodating grooves 110 are used for accommodating the battery cells 12. The support 11a is further provided with a mounting groove 112, the mounting groove 112 extends from one end of the support 11a to the other end, wherein the extending direction of the mounting groove 112 is a second direction, and the second direction is perpendicular to the first direction. The quantity of mounting groove 112 is two, two mounting groove 112 is followed first direction distributes, two mounting groove 112 includes first mounting groove and second mounting groove, wherein first mounting groove is located and is close to one side that positive pole was marked, the second mounting groove is located and is close to one side that the negative pole was marked. The bracket 11a is further provided with a mounting hole 114, the mounting hole 114 extends from the mounting groove 112 to a direction away from the mounting groove 112, wherein an axial direction of the mounting hole 114 is a second direction. The number of the mounting grooves 112 is at least two, at least one mounting hole 114 is arranged in each mounting groove 112, and the mounting hole 114 is used for being assembled and positioned with the bus bar 13. The support 11a is further provided with six first through holes 116, the first through holes 116 penetrate through two surfaces of the support 11a, wherein the axis direction of the first through holes 116 is a third direction, and the third direction is perpendicular to the first direction and the second direction respectively. It is understood that the number of the first through holes 116 may be increased or decreased according to actual requirements, for example, four or eight, and it is only necessary that the number of the first through holes 116 is at least one. The bracket 11a is provided with two clamping blocks 118 at one end of the mounting groove 110, and the two clamping blocks 118 are respectively arranged at two opposite sides of the bracket 11 a.
The number of the battery cells 12 is two, the two battery cells are respectively arranged in the two accommodating grooves 110, and the battery cells 12 are used for power storage and power supply. Each of the battery cells 12 includes a cell body 120 and two tabs 122, where the two tabs 122 are respectively connected to one end of the cell body 120, and the two tabs 122 include a positive tab and a negative tab. The cell body 120 of each cell 12 is installed in a corresponding one of the accommodating grooves 110, two tabs 122 of each cell 12 are disposed at one end facing the mounting groove 112, and each tab 122 corresponds to one of the mounting grooves 112. The position of the positive lug of each battery cell 12 corresponds to the position of the first mounting groove, and the first mounting groove is located between the positive lugs of the two battery cells 12. The position of the negative electrode tab of each battery cell 12 corresponds to the position of the second mounting groove, and the second mounting groove is located between the two negative electrode tabs of the battery cells 12.
The number of the bus bars 13 is two, two bus bars 13 are respectively installed in the two installation grooves 112, and each bus bar 13 corresponds to one installation groove 122. Each tab 122 of each cell 12 is welded to a corresponding bus bar 13, so that the two bus bars 13 form a positive electrode and a negative electrode of the first battery module 10a, respectively. Specifically, one of the bus bars 13 is disposed in the first mounting groove, one of the bus bars 13 is located between the two positive lugs, and one of the bus bars 13 is welded to the positive lugs of the two battery cells 12, respectively, so that one of the bus bars 13 forms a positive electrode of the first battery module 10 a; the other bus bar 13 is disposed in the second mounting groove, the other bus bar 13 is located between the two negative electrode tabs, the other bus bar 13 is welded to the negative electrode tabs of the two battery cells 12, and the other bus bar 13 forms a negative electrode of the first battery module 10 a. The bus bars 13 are rectangular blocks, each bus bar 13 is provided with at least one positioning through hole, and each positioning through hole corresponds to one mounting hole 114. Preferably, the bus bar 13 with utmost point ear 122 all adopts the copper material, can strengthen electric conductive property, and, the bus bar 13 with adopt laser spot welding's welding mode between the utmost point ear 122, can improve greatly utmost point ear 122 overcurrent's ability to the security performance that the reinforcing battery module used under abominable occasion.
The first battery module 10a further includes fasteners 14, and each of the fasteners 14 corresponds to one of the mounting holes 114 and one of the positioning through holes. One end of each of the fasteners 14 passes through a corresponding one of the positioning through holes and is locked in a corresponding one of the mounting holes 114, so that the bus bar 13 is fixed to the bracket 11 a. Wherein the mounting hole 114 is in threaded connection with the fastener 14. It is understood that the mounting hole 114 and the fastening member 14 may be connected by other means, such as pin joint, riveting, bonding, etc., only by fixing the bus bar 13 to the bracket 11 a.
Referring to fig. 4, another embodiment of the present invention further provides a battery module, i.e. a second battery module 10b, which is different from the first battery module 10a shown in fig. 1 to 3 in that: the second battery module 10b includes a bracket 11b, the bracket 11b is used to replace the bracket 11a of the first battery module 10a, and the setting direction of the positive pole mark and the negative pole mark of the bracket 11b is opposite to the setting direction of the positive pole mark and the negative pole mark of the bracket 11 a. Specifically, the bracket 11b is provided with a positive mark and a negative mark along a first direction, wherein the negative mark is located on the first side F1, and the positive mark is located on the second side F2. Correspondingly, the negative electrode of the second battery module 10b is disposed on the first side F1, and the positive electrode of the second battery module 10b is disposed on the second side F2. Other technical contents of the second battery module 10b are basically the same as those of the first battery module 10a, and are not described herein again.
Compared with the prior art, the embodiment of the utility model provides an in bus bar 13 fixed mounting in on the support, utmost point ear 122 through the welded mode with bus bar 13 firmly connects, avoids punch and form local atress, local intensification on utmost point ear 122, improved greatly utmost point ear 122 overcurrent's ability to the security that battery module used has been improved.
Referring to fig. 5 and 6, another embodiment of the present invention further provides a battery module 900, which includes a plurality of battery modules, wherein the plurality of battery modules include the first battery module 10a and the second battery module 10b, and the first battery module 10a and the second battery module 10b are electrically connected to each other.
The battery module 900 includes a first battery assembly 100a and a second battery assembly 100b, and the first battery assembly 100a and the second battery assembly 100b are electrically connected to each other. The first battery assembly 100a includes two first battery modules 10a, the two first battery modules 10a are arranged in a third direction, and the two first battery modules 10a are abutted against each other and electrically connected. The first through holes 116 of the two first battery modules 10a communicate, and each of the first through holes 116 of each of the first battery modules 10a corresponds to one of the first through holes 116 of the other battery module 10 a. The second battery assembly 100b includes two second battery modules 10b, the two second battery modules 10b are arranged along a third direction, and the two second battery modules 10b are mutually abutted and electrically connected. The first through holes 116 of the two second battery modules 10b communicate, and each of the first through holes 116 of each of the second battery modules 10b corresponds to one of the first through holes 116 of the other battery module 10 a.
The number of the first cell assemblies 100a and the number of the second cell assemblies 100b are two, and the two first cell assemblies 100a and the two second cell assemblies 100b are alternately arranged in sequence along a third direction. The first through holes 116 of each first battery assembly 100a are respectively communicated with the corresponding first through holes 116 of each second battery assembly 100 b. It can be understood that the number of the first battery assembly 100a and the second battery assembly 100b can be set according to actual requirements, for example, three or four battery assemblies can be set respectively, and the number of the first battery assembly 100a and the number of the second battery assembly 100b are only required to be the same.
Referring to fig. 6 and 7, the battery module 900 further includes a bus bar 200, and the bus bar 200 includes a parallel bus bar 21 and a serial bus bar 22. The parallel busbars 21 and the serial busbars 22 are both metal strip-shaped sheets, such as copper bars, flat steel bars, and the like. Wherein the length of the series bus bar 22 is greater than the length of the parallel bus bar 21.
The number of the parallel busbars 21 is two, the two parallel busbars 21 are respectively arranged on the first battery assembly 100a and the second battery assembly 100b at two ends, one of the parallel busbars 21 is arranged on one of the first battery assembly 100a at one end, and the other of the parallel busbars 21 is arranged on one of the second battery assembly 100b at the other end. One of the parallel busbars 21 is disposed on the first side F1 of the first battery assembly 100a at one end, and one of the parallel busbars 21 is connected to the bus bars 13 of the two first battery modules 10a at the positive electrode. The other parallel bus bar 21 is provided on the first side F1 of the second battery assembly 100b at the other end, and the other parallel bus bar 21 is connected to the bus bar 13 of the two second battery modules 10b at the negative electrode.
The number of the serial bus bars 22 is three, and one serial bus bar 22 is connected between each adjacent one of the first battery modules 100a and one of the second battery modules 100 b. One of the series bus bars 22 is provided on the first side F1, one of the series bus bars 22 connects one of the first battery modules 100a and one of the second battery modules 100b located in the middle, and one of the series bus bars 22 connects two of the bus bars 13 of the first battery module 100a located at the positive electrode and two of the bus bars 13 of the second battery module 100b located at the negative electrode, respectively. Two other serial bus bars 22 are provided on the second side F1, each serial bus bar 22 of the two other serial bus bars 22 is respectively connected to one of the first battery assembly 100a and one of the second battery assembly 100b, and each serial bus bar 22 is respectively connected to two bus bars 13 of the first battery assembly 100a located at the negative electrode and two bus bars 13 of the second battery assembly 100b located at the positive electrode. It is understood that the number of the serial bus bars 22 may be set according to the number of the first battery assembly 100a and the second battery assembly 100b, for example, four or five, and only one serial bus bar 22 is required to be arranged between each adjacent first battery assembly 100a and second battery assembly 100 b.
Referring to fig. 6 and 8, the battery module 900 further includes heat insulation cotton 300, and one heat insulation cotton 300 is disposed between each two adjacent battery modules. Specifically, one heat insulation cotton 300 is disposed between two first battery modules 10a of each first battery assembly 100a, one heat insulation cotton 300 is disposed between two second battery modules 10b of each second battery assembly 100b, and one heat insulation cotton 300 is disposed between each adjacent one of the first battery assemblies 100a and one of the second battery assemblies 100 b. The heat insulation cotton 300 is made of fireproof insulation materials, has the characteristics of high temperature resistance, difficult combustion, low heat conductivity coefficient and the like, and can ensure the assembly safety and the working safety of the battery module 900.
The battery module 900 further includes an inter-electrode separator 400, and one inter-electrode separator 400 is disposed between each adjacent one of the first battery packs 100a and one of the second battery packs 100 b. Specifically, the number of the inter-electrode spacers 400 is three, wherein one of the inter-electrode spacers 400 is provided on the second side F1, wherein one of the inter-electrode spacers 400 is located between two of the series busbars 22 on the second side F1, wherein one of the inter-electrode spacers 400 is provided between one of the first cell assemblies 100a and one of the second cell assemblies 100b in the middle; two more inter-electrode separators 400 are provided on the first side F1, two more inter-electrode separators 400 are provided on both ends of one of the series busbars 22 on the first side F1, and each of the two more inter-electrode separators 400 is provided between a corresponding one of the first cell assemblies 100a and a corresponding one of the second cell assemblies 100 b. The inter-electrode separator 400 may be made of a polyolefin material including Polyethylene (PE), polypropylene (PP), etc. for preventing a short circuit between the positive electrode and the negative electrode of the battery module. It is to be understood that the number of the inter-electrode separators 400 may be set according to actual requirements, for example, four or five, and only one inter-electrode separator 400 is required to be disposed between each adjacent first battery assembly 100a and second battery assembly 100 b.
The battery module 900 further includes two epoxy plates 500, the two epoxy plates 500 are distributed along a third direction, the two epoxy plates 500 are respectively disposed on two end surfaces of the battery module 900, one of the epoxy plates 500 abuts against the cell body 120 of the first battery module 10a at one end, and the other epoxy plate 500 abuts against the cell body 120 of the second battery module 10b at the other end. The epoxy plate 500 is made of an insulating material, has stable electrical performance in a high-humidity environment, and can ensure local safety of the battery cells at two ends. Six second through holes 51 are formed in each epoxy plate 500, and each second through hole 51 of each epoxy plate 500 is respectively communicated with one first through hole 116 of each battery module. It can be understood that the number of the second through holes 51 of each epoxy plate 500 can be set according to actual requirements, for example, four or eight, and it is only necessary that the number of the second through holes 51 of each epoxy plate 500 corresponds to the number of the first through holes 116 of each battery module.
Referring to fig. 6 and 9, the battery module 900 further includes a fixing assembly 600, and the fixing assembly 600 includes a fixing plate 61 and a fixing member 62. The number of the fixing plates 61 is two, two fixing plates 61 are respectively disposed at two ends of the battery module 900, the first battery assembly 100a and the second battery assembly 100b are both disposed between the fixing plates 61, and the fixing member 62 is used for fixing the first battery assembly 100a, the second battery assembly 100b and the two fixing plates 61. The two fixing plates 61 respectively abut against the two epoxy plates 500, and each fixing plate 61 respectively corresponds to one epoxy plate 500. Each fixing plate 61 is provided with six third through holes 610, and each third through hole 610 is communicated with a corresponding first through hole 116 on each battery module. The number of the fixing members 62 is six, and each fixing member 62 passes through one third through hole 610 corresponding to each fixing plate 61, one second through hole 51 corresponding to each epoxy plate 500, and one first through hole 116 corresponding to each battery module, so as to lock and fix the fixing plate 61, the epoxy plate 500, the first battery pack 100a, and the second battery pack 100 b. It can be understood that the number of the third through holes 610 of each fixing plate 61 can be set according to actual requirements, for example, four or eight, and it is only necessary that the number of the third through holes 610 of each fixing plate 61 corresponds to the number of the first through holes 116 of each battery module.
The battery module 900 further includes electrode protection covers 700, and each of the battery modules is provided with a corresponding one of the electrode protection covers 700. Each of the electrode protection covers 700 is disposed on a corresponding one of the supports 11a or the corresponding one of the supports 11b, and the electrode protection cover 700 is disposed at one end of the support 11a or the support 11b, where the mounting groove 112 is disposed. Two ends of each electrode protection cover 700 are respectively provided with a clamping groove 71, two clamping grooves 71 of each electrode protection cover 700 are respectively clamped on two clamping blocks 118 of the corresponding bracket 11a or the corresponding bracket 11b, and each clamping groove 71 is respectively corresponding to one clamping block 118. The electrode protective cover 700 is used for protecting the tab 122, so that dust is prevented from entering the battery module, and the safety performance and the service life of the battery module are improved.
Compared with the prior art, in the embodiment of the present invention, firstly, one heat insulation cotton 300 is disposed between every two adjacent battery modules, so that the influence on the adjacent battery module can be reduced when one battery module generates heat suddenly or catches fire, and the use safety of the product is greatly improved; next, one inter-electrode separator 400 is disposed between each adjacent one of the first battery packs 100a and one of the second battery packs 100b, so that short circuits between electrodes of the battery modules can be prevented; thirdly, the epoxy plates 500 are arranged at the two ends of the battery module 900, so that the local safety of the battery cells of the battery modules at the two ends can be ensured, and the working safety of the battery module is improved.
In addition, the first battery pack 100a and the second battery pack 100b are alternately stacked, the two fixing plates 61 are respectively arranged at two ends of the battery module 900, the two fixing plates 61 respectively fix and clamp the first battery pack 100a and the second battery pack 100b, and the fixing members 62 are used for locking the two fixing plates 61, so that the whole battery module is integrated and is not easy to loosen, the overall shock resistance of the battery module is greatly improved, and the use safety is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A battery module, comprising:
a support:
the two battery cells are respectively arranged on the bracket, each battery cell comprises a battery cell body and two tabs, the two tabs of each battery cell are respectively connected to one end of the battery cell body, one tab is arranged on the first side, and the other tab is arranged on the second side;
and the two bus bars are respectively arranged at one end of the support, one of the bus bars is welded with one of the tabs on the first side of each battery cell, and the other bus bar is welded with one of the tabs on the second side of each battery cell, so that the two bus bars respectively form the positive pole and the negative pole of the battery module.
2. The battery module of claim 1, wherein a receiving groove is formed on each of two opposite surfaces of the bracket, and the two cell bodies are received in the two receiving grooves respectively.
3. The battery module of claim 1 or 2, wherein one end of the bracket is provided with two mounting grooves, one of the mounting grooves is arranged between the tabs on the first side of the two battery cells, and the other mounting groove is arranged between the tabs on the second side of the two battery cells;
each bus bar is arranged in one corresponding mounting groove.
4. A battery module, comprising:
the battery module of any one of claims 1-3, the number of battery modules being a plurality, the plurality of battery modules comprising a first battery module and a second battery module;
the anode of the first battery module is arranged at the first side, and the cathode of the first battery module is arranged at the second side;
the negative electrode of the second battery module is arranged at the first side, and the positive electrode of the second battery module is arranged at the second side;
wherein the first battery module is electrically connected with the second battery module.
5. The battery module according to claim 4, wherein the battery module comprises at least two first battery modules and at least two second battery modules, the at least two first battery modules and the at least two second battery modules being alternately arranged;
each first battery assembly comprises two first battery modules which are abutted;
each second battery assembly comprises two second battery modules which are abutted.
6. The battery module according to claim 5, further comprising a parallel bus bar and a series bus bar;
the number of the parallel busbars is two, one of the parallel busbars is arranged on one first battery assembly at one end, and the other parallel busbar is arranged on one second battery assembly at the other end;
the number of the serial buses is at least three, and a corresponding one of the serial buses is connected between every adjacent one of the first battery modules and one of the second battery modules.
7. The battery module according to claim 5, further comprising heat insulation cotton, wherein one heat insulation cotton is arranged between every two adjacent battery modules.
8. The battery module according to claim 5, further comprising an inter-electrode separator, one inter-electrode separator being provided between each adjacent one of the first battery modules and one of the second battery modules.
9. The battery module of claim 5, further comprising two epoxy plates, wherein one of the epoxy plates abuts the cell body of the first battery module at one end and the other of the epoxy plates abuts the cell body of the second battery module at the other end.
10. The battery module according to any one of claims 5 to 9, wherein the battery module further comprises a fixing plate and a fixing member;
the number of the fixing plates is two, the fixing plates are respectively arranged at two ends of the battery module, and the first battery assembly and the second battery assembly are arranged between the two fixing plates;
the fixing member fixes the first battery pack, the second battery pack, and the two fixing plates.
CN202020867249.3U 2020-05-21 2020-05-21 Battery module and battery module Active CN212659645U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114552103A (en) * 2022-04-26 2022-05-27 南通龙海电子科技有限公司 Lithium titanate battery assembling structure
CN117117424A (en) * 2023-10-20 2023-11-24 珠海科创储能科技有限公司 Cell module

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114552103A (en) * 2022-04-26 2022-05-27 南通龙海电子科技有限公司 Lithium titanate battery assembling structure
CN114552103B (en) * 2022-04-26 2022-06-24 南通龙海电子科技有限公司 Lithium titanate battery package assembly
CN117117424A (en) * 2023-10-20 2023-11-24 珠海科创储能科技有限公司 Cell module
CN117117424B (en) * 2023-10-20 2024-01-23 珠海科创储能科技有限公司 Cell module

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