CN219163634U - Battery cell assembly - Google Patents
Battery cell assembly Download PDFInfo
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- CN219163634U CN219163634U CN202223466881.5U CN202223466881U CN219163634U CN 219163634 U CN219163634 U CN 219163634U CN 202223466881 U CN202223466881 U CN 202223466881U CN 219163634 U CN219163634 U CN 219163634U
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- 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
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Abstract
The utility model provides a battery cell assembly, and relates to the technical field of batteries. The battery cell assembly comprises a battery cell body and a pin structure, wherein the battery cell body is provided with a lug and a pole, the pin structure comprises a first connecting part and a second connecting part, the first connecting part is electrically connected with the pole, the second connecting part is connected with the first connecting part and is arranged at an angle, and the second connecting part is electrically connected with the lug, so that the lug and the pole are electrically connected. Further, this electric core subassembly still includes bearing structure, and bearing structure connects on the surface of second connecting portion towards electric core body side to under the prerequisite that does not hinder pin structure and utmost point ear electric connection, strengthen the structural strength of pin structure in second connecting portion department, and then strengthen whole pin structure, solve the lower problem of pin structural strength.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery cell assembly.
Background
The power battery has been widely used in various fields such as mobile phones, portable computers, electric automobiles, etc. by virtue of the advantages of high energy ratio, long storage time, more cycle times, etc., and the development and improvement of the power battery have become an important direction for power battery enterprises.
For example, in the field of electric vehicles, how to efficiently utilize limited space and improve energy density by using a power battery as a main power source of an electric vehicle is a key to meet the long-endurance requirement of a new energy electric vehicle. At present, aiming at the problems, the bare cell is placed in the shell of the battery module, and the encapsulation of the bare cell is realized by closing the shell through the top cover, so that the internal space of the shell of the battery module is saved. The positive and negative lugs of the bare cell are generally extended from two ends respectively, the top cover is provided with the pole columns, the pole columns are used for connecting pins, the top cover is arranged at the top of the bare cell, and the pins are located beside the corresponding lugs so as to be welded with the lugs, so that the electric connection between the lugs and the pole columns is realized.
However, in actual operation, because the anode and cathode pins need to be bent, most of the anode and cathode pins have relatively thin thickness, and the excessively thin anode and cathode pins have low strength, poor supporting capability and poor overcurrent capability, and cannot keep up with the current increasingly urgent requirements of fast charging and high-capacity battery cells.
Disclosure of Invention
The utility model aims to overcome the defect of lower strength of pins caused by thinner thickness of pins in the prior art, and provides a battery cell assembly.
The utility model solves the technical problems by the following technical scheme:
the utility model provides a battery cell subassembly, its is including electric core body and apron, be provided with the utmost point ear on the electric core body, be equipped with the utmost point post on the apron, battery cell subassembly is still including: the pin structure comprises a first connecting part and a second connecting part, the first connecting part is electrically connected with the pole, the second connecting part is connected with the first connecting part and is arranged in an angle, and the second connecting part is electrically connected with the pole lug; and the support structure is connected to one side of the second connecting part facing the side of the battery cell body.
In this scheme, the pin structure is including first connecting portion and the second connecting portion that are the angle setting, respectively with utmost point post and utmost point ear electric connection to carry out electric connection between utmost point ear and the utmost point post. Further, the supporting structure is connected to one side of the second connecting portion, which faces the battery core body, so that the structural strength of the pin structure at the second connecting portion is enhanced on the premise that the pin structure and the tab are not hindered from being electrically connected, the whole pin structure is further enhanced, and the problem that the structural strength of the pin is lower is solved.
Preferably, the support structure has an extension portion extending outwards from the edge of the second connection portion, and the extension portion is bent relative to the edge of the second connection portion and covers the outer surface of the tab.
In this scheme, after utmost point ear and second connecting portion electric connection, through the first extension of bearing structure bending, cover the surface at the utmost point ear to play the effect of protection to the surface of utmost point ear, especially when utmost point ear welding, can reduce the cracked risk of utmost point ear. Further, the extending part can be connected with the outer surface of the tab to strengthen the structural strength of the tab.
Preferably, the edge of the second connecting portion is an opposite edge of the second connecting portion connected to the first connecting portion.
In this scheme, first connecting portion is the angle with the second connecting portion and is connected, and bearing structure outwards extends along the opposite edge that second connecting portion and first connecting portion are connected, and the utmost point ear can be through remaining two side edges and second connecting portion electric connection of second connecting portion for overall structure is more reasonable, convenient assembling.
Preferably, the supporting structure is provided with limiting parts extending outwards from two side edges of the second connecting part respectively, and the limiting parts are bent relative to the supporting structure body and are contacted with two side edges of the second connecting part respectively.
In this scheme, buckling in bearing structure's both sides has spacing portion, spacing portion be located the both sides edge of second connecting portion and contact with the both sides edge of second connecting portion for second connecting portion is wrapped up in bearing structure's inside, produces the friction when preventing the edge of second connecting portion and pin contact and causes the pin to damage, can also play spacing fixed effect to second connecting portion simultaneously.
Preferably, the second connecting portion is provided with a first clamping portion, the supporting structure is provided with a second clamping portion, and the first clamping portion and the second clamping portion are mutually matched.
In this scheme, first joint portion and second joint portion mutually support for the connection between bearing structure and the second connecting portion is inseparabler, is difficult for not hard up, plays the effect of strengthening to the structure of whole pin.
Preferably, the first clamping part is a groove, the second clamping part is a protrusion, and the shape of the groove corresponds to that of the protrusion; or, the first clamping part is a protrusion, the second clamping part is a groove, and the groove corresponds to the protrusion in shape.
In this scheme, through the close fit between arch and the recess, realize the close connection between bearing structure and the second connecting portion, simple structure, convenient assembling.
Preferably, the first clamping part is a groove, the groove penetrates through to the edge of the second connecting part, the second clamping part is a protrusion, and the first clamping part and the second clamping part are provided with limiting structures which can limit the displacement of the supporting structure relative to the second connecting part along the penetrating direction of the groove; or, first joint portion is protruding, second joint portion is the recess, the recess link up to bearing structure's edge, first joint portion with be equipped with limit structure on the second joint portion, limit structure can restrict bearing structure is relative the second connecting portion is followed the displacement of the direction of link up of recess.
In this scheme, when the recess link up the edge that sets up at second connecting portion or bearing structure, recess and protruding cooperation back utilize to lie in limit structure on first joint portion and the second joint portion, prevent to produce between bearing structure and the second connecting portion along the link up direction of recess and remove, better fixed support structure and second connecting portion.
Preferably, the number of the supporting structures is plural, and the plurality of supporting structures are respectively connected to the surface of the second connecting portion facing the side of the battery cell body.
In this scheme, a plurality of bearing structures are connected respectively on the surface of second connecting portion towards electric core body side, under the condition that satisfies sufficient intensity, can reduce every bearing structure's size relatively, further save material.
Preferably, the width dimensions of the plurality of support structures correspond to the width dimensions of the second connection portion, and are arranged on the surface of the second connection portion facing the battery core body at intervals along the length direction of the second connection portion; or, the length dimensions of the plurality of support structures correspond to the length dimensions of the second connection portions, and are arranged on the surface, facing the battery cell body, of the second connection portions at intervals along the width direction of the second connection portions.
In this scheme, a plurality of bearing structures in length direction or width direction's size corresponds with the size of second connecting portion to set up along another direction interval, can be better satisfy save material when increasing pin structure's intensity.
Preferably, the material of the supporting structure is an insulating material.
In this scheme, the pin structure is in the course of the work, probably has external electrode to contact and causes the short circuit, through setting up insulating bearing structure, can avoid the possibility of pin structure and external electrode contact as far as possible.
The utility model has the positive progress effects that:
the battery cell assembly comprises a pin structure, wherein the pin structure comprises a first connecting part and a second connecting part which are arranged at an angle, and the first connecting part and the second connecting part are respectively electrically connected with the pole and the pole, so that the pole and the pole are electrically connected. The battery cell assembly is further provided with a supporting structure, the supporting structure is connected to the surface of the second connecting portion, facing the side of the battery cell body, so that the structural strength of the pin structure at the second connecting portion is enhanced on the premise that the pin structure and the tab are not hindered from being electrically connected, the whole pin structure is further enhanced, and the problem that the structural strength of the pin is lower is solved.
Drawings
Fig. 1 is a schematic diagram (a) of the overall structure of a battery cell assembly according to a first embodiment of the utility model.
Fig. 2 is a schematic diagram of the overall structure of a battery cell assembly according to a first embodiment of the utility model (second).
Fig. 3 is an assembly schematic diagram of a pin structure and a supporting structure according to a first embodiment of the utility model.
Fig. 4 is an assembly schematic diagram of a pin structure and a supporting structure in a second embodiment of the utility model.
Fig. 5 is an assembly schematic diagram of a pin structure and a supporting structure in a third embodiment of the present utility model.
Fig. 6 is a schematic structural diagram of a support structure in an unbent state in a cell assembly according to a fourth embodiment of the present utility model.
Fig. 7 is a schematic structural diagram of a support structure in a bent state in a battery cell assembly according to a fourth embodiment of the present utility model.
Fig. 8 is an assembly schematic diagram of a pin structure and a supporting structure in a fifth embodiment of the present utility model.
Fig. 9 is a schematic structural diagram of a support structure in a fifth embodiment of the present utility model.
Fig. 10 is an assembly schematic diagram of a pin structure and a supporting structure in a sixth embodiment of the utility model.
Fig. 11 is a schematic structural diagram of a support structure in a sixth embodiment of the present utility model.
Fig. 12 is a schematic diagram of a pin structure and a supporting structure in an unassembled state according to a seventh embodiment of the present utility model.
Fig. 13 is a schematic structural diagram of a pin structure in an eighth embodiment of the present utility model.
Fig. 14 is a schematic structural view of a support structure in an eighth embodiment of the present utility model.
Reference numerals illustrate:
First connecting portion 210
Second connecting portion 220
Limiting part 320
Groove 330
The protrusion 340
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present utility model and should not be construed as limiting the utility model, and all other embodiments, based on the embodiments of the present utility model, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore 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 a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
The embodiment provides a battery cell assembly 1, the battery cell assembly 1 includes a battery cell body 100 and a cover plate, a tab 110 is disposed on the battery cell body 100, and a pole 120 is disposed on the cover plate. The battery cell assembly 1 further comprises a pin structure and a supporting structure 300, wherein the pin structure comprises a first connecting portion 210 and a second connecting portion 220 which are arranged at an angle, the first connecting portion 210 is electrically connected with the corresponding pole 120, and the second connecting portion 220 is electrically connected with the corresponding pole lug 110. The support structure 300 is connected to a side of the second connection portion 220 facing the battery cell body 100.
Specifically, as shown in fig. 1, in this embodiment, the battery core body 100 is laterally disposed, two tabs 110 are respectively disposed on the left and right sides of the battery core body 100, two tabs 110 are respectively a positive tab and a negative tab, two posts 120 are disposed on the top surface of the battery core body 100, and the posts 120 can be fixed by disposing a cover plate on the top surface of the battery core body 100. In this embodiment, the positive electrode tab and the negative electrode tab have the same structure, and thus will be collectively described as tab 110.
In fig. 1, the first connection portion 210 of the pin structure is disposed inside the cover plate of the battery cell body 100 and electrically connected to the post 120, and the second connection portion 220 of the pin structure extends vertically downward along the sidewall of the battery cell body 100 and is connected to the tab 110, in this embodiment, an included angle between the first connection portion 210 and the second connection portion 220 is 90 degrees. Of course, in other embodiments, other angles may be set as long as the welding between the second connection portion 220 and the tab 110 can be satisfied, and the embodiment is set at a right angle, so that the structure of the battery cell body 100 can be better adapted. As shown in fig. 2, the tab 110 extends from the second connection portion 220 toward one side of the battery cell body 100, and is bent at two sides of the second connection portion 220, so that the second connection portion 220 is electrically connected to the second connection portion 220 at a side of the second connection portion 220 facing away from the battery cell body 100. The supporting structure 300 is disposed on the surface of the second connecting portion 220 facing the battery core body 100, so as to strengthen the structural strength of the lead structure at the second connecting portion 220 without obstructing the electrical connection between the lead structure and the tab 110, thereby strengthening the whole lead structure and solving the problem of lower strength of the lead structure.
Specifically, in the embodiment, the schematic diagram of the assembly position relationship of the support structure 300 relative to the second connection portion 220 is shown in fig. 3, the support structure 300 completely covers the surface of the second connection portion 220 facing the battery core body 100, and the support structure 300 reinforces the whole of the second connection portion 220, so as to better ensure the strength of the electrical connection between the second connection portion 220 and the tab 110. The connection between the support structure 300 and the second connection portion 220 may be any connection method in the prior art, such as welding, fixing, or adhering, or detachable connection.
Further, the material of the supporting structure 300 is an insulating material, because the surface of the pin structure facing the side of the battery core body 100 may be in contact with other electrodes extending from the battery core body 100 to cause short circuit during the working process, and by setting the insulating supporting structure 300, the possibility of contact between the pin structure and the external electrode can be avoided as much as possible.
Example two
In this embodiment, the structure and connection of the other elements are the same except for the differences between the support structure 300 and the first embodiment. The support structures 300 are arranged in a plurality, and the width dimension of the plurality of support structures 300 corresponds to the width dimension of the second connection portion 220, and are arranged on the surface of the second connection portion 220 facing the cell body 100 along the length direction of the second connection portion 220 at intervals.
Specifically, as shown in fig. 4, the number of the supporting structures 300 is three, the widths of the three supporting structures 300 correspond to the width dimension of the second connecting portion 220, and the three supporting structures 300 are arranged on the surface of the second connecting portion 220 facing the battery core body 100 along the length direction of the second connecting portion 220 at intervals. Of course, in other embodiments, the number of the supporting structures 300 may be set to other numbers, and the spacing between the adjacent supporting structures 300 may be adjusted according to the actual situation.
Example III
In this embodiment, the structure and connection of the other elements are the same except for the differences between the support structure 300 and the second embodiment. In this embodiment, the plurality of support structures 300 are also arranged, and the length dimension of the plurality of support structures 300 corresponds to the length dimension of the second connection portion 220, and are arranged on the surface of the second connection portion 220 facing the cell body 100 at intervals along the width direction of the second connection portion 220.
Specifically, as shown in fig. 5, the number of the supporting structures 300 is two, the lengths of the two supporting structures 300 correspond to the length dimension of the second connecting portion 220, and the two supporting structures 300 are arranged on the surface of the second connecting portion 220 facing the battery core body 100 along the width direction of the second connecting portion 220 at intervals. Of course, in other embodiments, the number of the supporting structures 300 may be set to other numbers, and the spacing between the adjacent supporting structures 300 may be adjusted according to the actual situation.
Example IV
In this embodiment, the structure and connection of the other elements are the same except for the differences between the support structure 300 and the first embodiment. In this embodiment, the support structure 300 has an extension portion 310 extending outward from the edge of the second connection portion 220, and the extension portion 310 is bent relative to the edge of the second connection portion 220 and covers the outer surface of the tab 110. Further, the edge of the second connecting portion 220 is the opposite edge of the second connecting portion 220 connected to the first connecting portion 210.
As shown in fig. 6, the support structure 300 in the cell assembly 1 is schematically shown in an unbent state, the support structure 300 is connected to the surface of the second connecting portion 220 facing the cell body 100, and extends downward along the vertical direction to form an extension portion 310, and the top end of the second connecting portion 220 in the vertical direction is connected to the first connecting portion 210.
As shown in fig. 7, the support structure 300 of the cell assembly 1 is shown in a bent state, and the extension portion 310 may be turned over upwards with the bottom end of the second connection portion 220 as an axial direction and cover the outer surface of the tab 110. During assembly, the supporting structure 300 is firstly connected to the surface of the second connecting portion 220 facing the battery core body 100, then the pin structure is connected with the battery core body 100, the tab 110 is bent from two sides of the second connecting portion 220 and connected to the surface of the second connecting portion 220 facing away from the battery core body 100, and then the extending portion 310 of the supporting structure 300 is turned upwards with the bottom end of the second connecting portion 220 to cover the outer surface of the tab 110. Through this kind of setting, with the surface play the guard action to the utmost point ear 110, especially when utmost point ear 110 welds, can reduce the cracked risk of utmost point ear 110, in addition, first extension 310 also can be connected with the surface of utmost point ear 110 to strengthen the structural strength of utmost point ear 110.
In this embodiment, the top end of the second connecting portion 220 in the vertical direction is connected to the first connecting portion 210, so the support structure 300 is selectively folded along the bottom end of the second connecting portion 220 in the vertical direction. Of course, in other embodiments, the selection may be made according to a specific structure, for example, when the tab 110 is electrically connected to the second connection portion 220 through the bottom end bending of the second connection portion 220 in the vertical direction, the support structure 300 may be selectively folded along the side edge of the second connection portion 220.
Example five
In this embodiment, the structure and connection of the other elements are the same except for the differences between the support structure 300 and the first embodiment. In this embodiment, the supporting structure 300 has limiting portions 320 extending outwards from two side edges of the second connecting portion 220, and the limiting portions 320 are bent relative to the body of the supporting structure 300 and contact with two side edges of the second connecting portion 220.
As shown in fig. 8 and 9, the supporting structure 300 is covered and connected on one surface of the second connecting portion 220 facing the battery core body 100, and on two sides of the supporting structure 300, there are limiting portions 320 extending outwards respectively, the limiting portions 320 are bent relative to the body of the supporting structure 300 and contact with two side edges of the second connecting portion 220 respectively, so that the limiting portions 320 on two sides of the supporting structure 300 can cover two side edges of the second connecting portion 220, the second connecting portion 220 is wrapped inside the supporting structure 300, and when the edges of the second connecting portion 220 contact with the pins, friction is generated to damage the pins, and meanwhile, the limiting and fixing effects on the second connecting portion 220 can be achieved.
Example six
In this embodiment, the structure and the connection manner of the other elements are the same except for the second connection portion 220 and the support structure 300, which are different from those of the first embodiment. In this embodiment, the second connecting portion 220 is provided with a first clamping portion, the supporting structure 300 is provided with a second clamping portion, and the first clamping portion and the second clamping portion are mutually matched.
Specifically, as shown in fig. 10 and 11, two grooves 330 are disposed on the second connection portion 220, two protrusions 340 are disposed on the support structure 300 corresponding to the two grooves 330, and the two protrusions 340 on the support structure 300 are correspondingly matched in the two grooves 330, so that the detachable connection between the second connection portion 220 and the support structure 300 is realized, and no looseness is generated, so that the structure of the whole pin is reinforced. Of course, in other embodiments, the first clamping portion and the second clamping portion may be configured as other structures that can be matched with each other in the prior art, so long as the supporting structure 300 can be fixed on the surface of the second connecting portion 220 facing the cell body 100. In this embodiment, the matching of the protrusion 340 and the groove 330 is simpler than other structures, the assembly is more convenient, and even if the matching mode of the protrusion 340 and the groove 330 is adopted in this embodiment, the number and the structure of the protrusion 340 and the groove 330 can be adjusted at will, and only the tight matching between the protrusion 340 and the groove 330 needs to be satisfied.
Example seven
In this embodiment, the structure and the connection manner of the other elements are the same except that the second connection portion 220 and the support structure 300 are different from those of the sixth embodiment. In this embodiment, the first clamping portion is a protrusion 340, the second clamping portion is a groove 330, and the groove 330 corresponds to the protrusion 340 in shape.
Specifically, as shown in fig. 12, the first clamping portion on the second connecting portion 220 is two protrusions 340, two grooves 330 corresponding to the two protrusions 340 are provided on the supporting structure 300, the two protrusions 340 and the two grooves 330 are matched with each other, so that the detachable connection between the second connecting portion 220 and the supporting structure 300 is realized, looseness is not generated, and the structure of the whole pin is reinforced. Likewise, the first clamping portion and the second clamping portion may be configured to be mutually matched in other structures existing in the prior art, so long as the supporting structure 300 can be fixed on the surface of the second connecting portion 220 facing the battery cell body 100. The number and configuration of the protrusions 340 and the recesses 330 can be optionally adjusted, so long as a tight fit between the two is satisfied.
Example eight
In this embodiment, the structure and the connection manner of the other elements are the same except that the second connection portion 220 and the support structure 300 are different from those of the sixth embodiment. In this embodiment, the first clamping portion is a groove 330, the groove 330 penetrates to the edge of the second connecting portion 220, the second clamping portion is a protrusion 340, and the first clamping portion and the second clamping portion are provided with a limiting structure 350, and the limiting structure 350 can limit the displacement of the supporting structure 300 relative to the second connecting portion 220 along the penetrating direction of the groove 330.
Specifically, as shown in fig. 13 and 14, the first clamping portion located on the second connecting portion 220 is a groove 330, the groove 330 penetrates through the bottom edge of the second connecting portion 220, the second clamping portion located on the supporting structure 300 is a protrusion 340, and the shape of the protrusion 340 is matched with that of the groove 330. The limiting structure 350 is further disposed on the groove 330 and the protrusion 340, the limiting structure 350 is disposed at top ends of the groove 330 and the protrusion 340, and the supporting structure 300 can be limited to displace relative to the second connecting portion 220 along a penetrating direction of the groove 330 through the matching connection between the groove 330 and the protrusion 340, so as to better fix the supporting structure 300 and the second connecting portion 220. Of course, in other embodiments, the first clamping portion may be a protrusion 340, the second clamping portion may be a groove 330, the groove 330 penetrates to the edge of the supporting structure 300, the first clamping portion and the second clamping portion are provided with a limiting structure 350, and the limiting structure 350 can limit the displacement of the supporting structure 300 relative to the second connecting portion 220 along the penetrating direction of the groove 330.
The limiting structure 350 is disposed at the top ends of the recess 330 and the protrusion 340 in this embodiment, and the supporting structure 300 and the second connecting portion 220 are limited to generate displacement by changing the shape. Of course, in other embodiments, the limiting structure 350 may be any structure existing in the prior art, and the shape and the arrangement position thereof are not limited, so long as the protrusion 340 does not displace in the through hole.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.
Claims (10)
1. The utility model provides a battery cell subassembly, its is including electric core body and apron, be provided with the utmost point ear on the electric core body, be equipped with the utmost point post on the apron, its characterized in that, battery cell subassembly still includes:
the pin structure comprises a first connecting part and a second connecting part, the first connecting part is electrically connected with the pole, the second connecting part is connected with the first connecting part and is arranged in an angle, and the second connecting part is electrically connected with the pole lug;
and the support structure is connected to one side of the second connecting part facing the side of the battery cell body.
2. The cell assembly of claim 1, wherein the support structure has an extension extending outwardly from an edge of the second connection portion, the extension being bent relative to the edge of the second connection portion and covering an outer surface of the tab.
3. The cell assembly of claim 2, wherein the edge of the second connection is an opposite edge of the second connection to the first connection.
4. The cell assembly of claim 1, wherein the support structure has a limiting portion extending outwardly from each of two side edges of the second connection portion, the limiting portion being bent with respect to the body of the support structure and being in contact with each of two side edges of the second connection portion.
5. The cell assembly of claim 1, wherein the second connection portion is provided with a first clamping portion, the support structure is provided with a second clamping portion, and the first clamping portion and the second clamping portion are mutually matched.
6. The cell assembly of claim 5, wherein the first clamping portion is a groove and the second clamping portion is a protrusion, the groove corresponding to the shape of the protrusion;
or, the first clamping part is a protrusion, the second clamping part is a groove, and the groove corresponds to the protrusion in shape.
7. The cell assembly according to claim 6, wherein the first clamping portion is a groove, the groove penetrates through to the edge of the second connecting portion, the second clamping portion is a protrusion, and limiting structures are arranged on the first clamping portion and the second clamping portion and can limit the displacement of the supporting structure relative to the second connecting portion along the penetrating direction of the groove;
or, first joint portion is protruding, second joint portion is the recess, the recess link up to bearing structure's edge, first joint portion with be equipped with limit structure on the second joint portion, limit structure can restrict bearing structure is relative the second connecting portion is followed the displacement of the direction of link up of recess.
8. The cell assembly of claim 1, wherein the number of the support structures is plural, and the plurality of the support structures are respectively connected to the surfaces of the second connection portions facing the cell body side.
9. The cell assembly according to claim 8, wherein a plurality of the support structures have a width dimension corresponding to a width dimension of the second connection portion and are disposed on a surface of the second connection portion facing the cell body side at intervals along a length direction of the second connection portion;
or, the length dimensions of the plurality of support structures correspond to the length dimensions of the second connection portions, and are arranged on the surface, facing the battery cell body, of the second connection portions at intervals along the width direction of the second connection portions.
10. The cell assembly of any of claims 1-9, wherein the material of the support structure is an insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223466881.5U CN219163634U (en) | 2022-12-23 | 2022-12-23 | Battery cell assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223466881.5U CN219163634U (en) | 2022-12-23 | 2022-12-23 | Battery cell assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219163634U true CN219163634U (en) | 2023-06-09 |
Family
ID=86620566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223466881.5U Active CN219163634U (en) | 2022-12-23 | 2022-12-23 | Battery cell assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219163634U (en) |
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2022
- 2022-12-23 CN CN202223466881.5U patent/CN219163634U/en active Active
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