CN220138642U - Output electrode structure and battery - Google Patents
Output electrode structure and battery Download PDFInfo
- Publication number
- CN220138642U CN220138642U CN202321726364.9U CN202321726364U CN220138642U CN 220138642 U CN220138642 U CN 220138642U CN 202321726364 U CN202321726364 U CN 202321726364U CN 220138642 U CN220138642 U CN 220138642U
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- shell
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- 238000007789 sealing Methods 0.000 claims description 46
- 239000011229 interlayer Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to the technical field of new energy, in particular to an output electrode structure and a battery, wherein the output electrode structure comprises: the first conducting part is connected with the pole group of the battery; the second conducting part is arranged on the first conducting part, and the second conducting part and the first conducting part are of an integrated structure; the battery comprises a shell, the pole group is encapsulated in the shell, and the second conducting part is fixed on the shell. The output electrode structure provided by the utility model simplifies the complexity of the battery output structure, reduces the production cost, integrates the function of a current collector and the function of a pole column, and reduces the difficulty of the output electrode structure in the assembly process of the output electrode structure, a pole group and a pole group shell, so that the assembly efficiency of the output electrode structure and the pole group can be effectively improved, the production efficiency of the whole battery is further improved, the processing flow required to be connected is obviously reduced, and the yield of the battery can be effectively improved.
Description
Technical Field
The utility model relates to the technical field of new energy, in particular to an output electrode structure and a battery.
Background
At present, with the increasing maturity of lithium ion battery technology, the battery is widely applied to the electric automobile as a novel power battery, and the requirements on the service performance and the safety are increasingly raised. When the current battery is assembled, the current collector is usually required to be connected with the conductive aluminum block and then welded with the pole group, then the pole group is connected with the shell, and after the pole group is put into the shell, the current inside the battery is led out to the outside through welding the pole post and the conductive aluminum block, so that the assembling and connecting process is complex, the number of related parts is large, the cost is high, the production process is complex, the connecting process is many, and the yield is influenced.
Disclosure of Invention
The utility model aims to provide an output electrode structure and a battery, which solve the technical problems of high number of parts, complex production procedures, influence on cost and product yield in the existing battery output electrode external connection process in the prior art to a certain extent.
The utility model provides an output pole structure, comprising: a first conduction part connected with the electrode group of the battery;
the second conduction part is arranged on the first conduction part, and the second conduction part and the first conduction part have an integrated structure;
the battery comprises a shell, the pole group is encapsulated in the shell, and the second conducting part is fixed on the shell.
In the above technical solution, further, the first conducting portion has a sheet structure or a flat plate structure, the shape of the first conducting portion is adapted to the end surface shape of the pole group, one side surface of the first conducting portion is connected with the pole group, and the second conducting portion is disposed on one side surface of the first conducting portion, which is away from the pole group.
In any of the above embodiments, further, the second conducting portion includes:
the support part is arranged on the first conduction part, and the support part and the first conduction part are of an integrated structure;
the connecting portion is arranged on the supporting portion and is used for being connected with the shell.
In any of the above technical solutions, further, the housing is cylindrical, the pole group is disposed in the housing, a sealing cover is disposed at an end of the housing, a mounting hole is formed in the sealing cover, and the second conducting portion penetrates through the mounting hole.
In any of the above technical solutions, further, the cover is provided with a limiting groove, the limiting groove surrounds the mounting hole, and the connecting portion is riveted to the limiting groove.
In any of the above solutions, further, the output electrode structure further includes:
the fixing rib is arranged on the second conducting part, and the connecting part is flush with the fixing rib after the connecting part is riveted to the sealing cover;
the support rib, the support rib set up in the second switches on the portion, the support rib encircles the supporting part sets up, the support rib is located the supporting part with the hookup location of first switches on the portion.
In any of the foregoing solutions, further, the output electrode structure further includes a first insulating seal, and the first insulating seal includes:
the first sealing part is arranged in the limit groove;
a second sealing part having an integrated structure with the first sealing part, the second sealing part being provided on an inner wall surface of the cover;
and a limiting interlayer is formed between the second sealing part and the first sealing part, and the limiting groove is limited in the limiting interlayer.
In any of the above technical solutions, further, the output electrode structure further includes a second insulating seal member, where the second insulating seal member is sleeved on the supporting portion, and the second insulating seal member and the first insulating seal member are abutted against each other;
the second insulating sealing piece is provided with a notch part, and the shape of the notch part is matched with the shape of the supporting rib.
In any of the above technical solutions, further, the first conducting portion is circular, and the second conducting portion and the first conducting portion are coaxially disposed;
and/or the electrode group is cylindrical, the end part of the electrode group is provided with an electrode lug, and the first conducting part covers the end part of the electrode group and is connected with the electrode lug.
The utility model also provides a battery, which comprises the output electrode structure in any one of the above technical schemes, so that the battery has all the beneficial technical effects of the output electrode structure, and the details are not repeated here.
Compared with the prior art, the utility model has the beneficial effects that:
the output electrode structure provided by the utility model comprises: the first conducting part is connected with the pole group of the battery; the second conducting part is arranged on the first conducting part, and the second conducting part and the first conducting part are of an integrated structure; the battery comprises a shell, the pole group is encapsulated in the shell, and the second conducting part is fixed on the shell.
The output electrode structure provided by the utility model simplifies the complexity of the battery output structure, reduces the production cost, integrates the functions of the current collector and the electrode column, and reduces the difficulty and complexity of the assembly process of the output electrode structure with the electrode group and the electrode group shell, thereby effectively improving the assembly efficiency of the output electrode structure and the electrode group, further improving the production efficiency of the whole battery, obviously reducing the processing flow required to be connected, effectively reducing the risk of unqualified connection quality and improving the yield of the battery.
The battery provided by the utility model comprises the output electrode structure, so that the time consumption for assembling the battery can be effectively reduced, the production efficiency of the battery can be obviously improved, and the safety of the battery can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an output electrode structure according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a front view of an output pole structure according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of an output electrode structure according to an embodiment of the present utility model;
FIG. 4 is a cross-sectional view of an output pole structure according to another embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a battery according to an embodiment of the present utility model;
fig. 6 is another view of a battery according to an embodiment of the present utility model;
FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;
fig. 8 is an enlarged schematic view of the structure of fig. 7 at a.
Reference numerals:
1-first conducting part, 2-second conducting part, 201-connecting part, 202-supporting part, 203-fixing rib, 3-supporting rib, 4-pole group, 5-shell, 6-sealing cover, 601-limit groove, 7-first insulating sealing piece, 701-first sealing part, 702-second sealing part, 703-limit interlayer and 8-second insulating sealing piece.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.
The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
An output electrode structure and a battery according to an embodiment of the present utility model are described below with reference to fig. 1 to 8.
Referring to fig. 1 to 8, the embodiment of the present utility model provides an output pole structure, which includes a first conducting portion 1 and a second conducting portion 2, wherein the first conducting portion 1 and the second conducting portion 2 have an integral structure, preferably, the first conducting portion 1 and the second conducting portion 2 are processed by integrally stamping with conductive materials, the first conducting portion 1 is used for being connected with a pole group 4, and the connection manner may be, but is not limited to, welding, so that the first conducting portion 1 and the pole group 4 are conducted, and thus, the current of the pole group 4 can be transferred to the first conducting portion 1 and the second conducting portion 2, so that the pole group 4 can supply power to the outside through the output pole structure, the pole group 4 is packaged in a housing 5, after the connection of the first conducting portion 1 and the pole group 4 is completed and the pole group 4 is in a housing, a part of the second conducting portion 2 is located outside the housing 5 so as to supply power to the outside, and the second conducting portion 2 is connected and kept fixed with the housing 5, so as to ensure stability of the output pole structure relative to the housing 5 and smooth connection between the first conducting portion 1 and the pole group 4, so that smooth connection strength between the first conducting portion 1 and the pole group 4 can be ensured.
Further, the first conducting part 1 has a sheet structure or a flat plate structure, the pole group 4 has an output end, the shape of the first conducting part 1 is the same as or adapted to the shape of the output end of the pole group 4, one side surface of the first conducting part 1 is attached to the output end of the pole group 4, the output end of the pole group 4 is provided with a pole lug, the first conducting part 1 is connected with the pole lug, and the connection mode can be welding.
Further, the second conducting part 2 has a cylindrical structure, the second conducting part 2 is disposed on a side surface of the first conducting part 1 facing away from the pole group 4, preferably, the second conducting part 2 is disposed at a central position of the first conducting part 1, and the second conducting part 2 is disposed coaxially with the first conducting part 1.
Further, in the state shown in fig. 2, the second conductive portion 2 is formed with a connection portion 201 and a supporting portion 202 from top to bottom along the height direction of the second conductive portion 2, and it is noted that the connection portion 201 and the supporting portion 202 have an integral structure, the connection portion 201 is provided in the first conductive portion 1, and the connection portion 201 and the first conductive portion 1 have an integral structure as well, and the connection portion 201 is used for connection with the housing 5 described above.
The fixing rib 203 is disposed inside the cylindrical structure of the second conducting portion 2, and the edge of the fixing rib 203 is connected with the inner wall surface of the second conducting portion 2, preferably, the fixing rib 203 and the second conducting portion 2 are integrally processed, and have an integral structure, preferably, after the connecting portion 201 is connected with the housing 5, the connecting portion 201 is kept flush with the fixing rib 203.
Further, the casing 5 has a tubular structure, and the end of the casing 5 is provided with the closing cap 6, the closing cap 6 is provided with the mounting hole, the shape of mounting hole and the shape looks adaptation of second portion 2 that switches on, the second portion 2 that switches on can wear to locate the mounting hole, concretely speaking, supporting part 202 wears to locate in the mounting hole, connecting portion 201 extends to the outside of closing cap 6, make connecting portion 201 take place deformation through beating connecting portion 201, make connecting portion 201 and the surface laminating of closing cap 6 and fix with the riveted mode, connecting portion 201 are riveted and are spacing each other with closing cap 6 behind closing cap 6, thereby make closing cap 6 and second portion 2 all be in fixed state, can not produce the displacement.
Preferably, a limit groove 601 is formed on the sealing cover 6, the limit groove 601 sinks relatively to the surface of the sealing cover 6 to form a groove body structure, the limit groove 601 and the sealing cover 6 form a step structure, the limit groove 601 surrounds a mounting hole, or the mounting hole is located in the center of the limit groove 601, the connecting portion 201 is knocked to deform the connecting portion 201 and rivet the connecting portion after the sealing cover 6, the connecting portion 201 in a flattened state is just located in the limit groove 601, at the moment, the connecting portion 201 and the fixing ribs 203 form a flat plate structure together, on one hand, fixation with the sealing cover 6 is achieved, and on the other hand, the connecting portion 201 and the fixing ribs 203 are jointly used as a pole post of the output pole structure for external power supply.
Further, the supporting portion 202 is formed with a supporting rib 3, the supporting rib 3 is disposed at the bottom end of the supporting portion 202 and located between the connecting portion 201 and the first conducting portion 1, the supporting rib 3 is annular, the supporting rib 3 is disposed around the supporting portion 202, and it should be noted that the supporting rib 3 and the supporting portion 202 are integrally formed. The supporting rib 3 not only can strengthen the structural strength of the second conducting part 2, but also can strengthen the structural strength between the second conducting part 2 and the first conducting part 1, and deformation or damage between the connecting part 201 and the first conducting part 1 caused by external force when the connecting part 201 is riveted is avoided.
The first conducting part 1 preferably has a circular sheet-like or plate-like structure, and the pole group 4 is also cylindrical, that is to say, the present output pole structure is particularly suitable for cylindrical batteries, although the present output pole structure is not limited to use in cylindrical batteries.
Further, the output electrode structure further comprises a first insulating sealing member 7, wherein the first insulating sealing member 7 is arranged between the second conducting part 2 and the sealing cover 6 so as to perform insulating sealing function on the second conducting part 2 and the sealing cover 6. The first insulating seal 7 comprises a first seal part 701 and a second seal part 702 which are of integrated structures, the first seal part 701 is embedded in the limit groove 601, the first seal part 701 can separate the connecting part 201 of the sealing cover 6, which is in a flat state after riveting, from the connecting part 201, the sealing cover 6 is prevented from being contacted with the connecting part 201, the second seal part 702 is in a sheet shape, the second seal part 702 is attached and fixed with the inner wall surface of the sealing cover 6, a limit interlayer 703 is formed between the first seal part 701 and the second seal part 702, the limit groove 601 is clamped in the limit interlayer 703, the limit interlayer 703 and the second seal part 702 can separate the supporting part 202 from the sealing cover 6, the short circuit is prevented from being caused by contact between the supporting part 202 and the sealing cover 6, and therefore, the first insulating seal 7 can effectively seal a gap between the second conducting part 2 and the sealing cover 6, and insulation and sealing effects between the two are ensured.
Further, this output pole structure still includes second insulating seal 8, second insulating seal 8 has annular structure, second insulating seal 8 cover locates the supporting part 202 of second portion 2 that switches on, preferably, the second sealing part 702 and the second insulating seal 8 butt of first insulating seal 7, make second insulating seal 8 not only play insulating seal's effect, further strengthen insulating effect and sealed effect between this output pole structure and the closing cap 6, can also play the effect of bearing first insulating seal 7, ensure the stability of first insulating seal 7, reduce the risk that first insulating seal 7 and second insulating seal 8 take place to loosen, shift even drop, thereby the security of the battery that uses this output pole structure has been improved.
Preferably, the second insulating sealing member 8 is formed with a notch, and the shape of the notch is adapted to the shape of the supporting rib 3, so that the second insulating sealing member 8 can be fully attached to the supporting portion 202 of the second conducting portion 2, and stability of the second insulating sealing member 8 relative to the second conducting portion 2 is enhanced.
When the output pole structure is assembled, the first conducting part 1 is connected with the pole group 4, the pole group 4 is installed in the shell 5, the second conducting part 2 is penetrated into the installation hole of the sealing cover 6, and then the connecting part 201 is riveted on the sealing cover 6, so that the output pole structure and the pole group 4 are assembled.
In summary, the output electrode structure provided by the utility model simplifies the complexity of the battery output structure, reduces the production cost, integrates the function of a current collector and the function of a pole column, and reduces the difficulty and complexity of the assembly process of the output electrode structure with a pole group and a pole group shell, thereby effectively improving the assembly efficiency of the output electrode structure and the pole group, further improving the production efficiency of the whole battery, obviously reducing the processing flow required to be connected, effectively reducing the risk of unqualified connection quality, and improving the yield of the battery.
The embodiment of the utility model also provides a battery, which comprises the output electrode structure in any one of the embodiments, so that the battery has all the beneficial technical effects of the output electrode structure, and the description is omitted here.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. An output pole structure, comprising:
a first conduction part connected with the electrode group of the battery;
the second conduction part is arranged on the first conduction part, and the second conduction part and the first conduction part have an integrated structure;
the battery comprises a shell, the pole group is encapsulated in the shell, and the second conducting part is fixed on the shell.
2. The output pole structure according to claim 1, wherein the first conducting portion has a sheet structure or a flat plate structure, a shape of the first conducting portion is adapted to an end surface shape of the pole group, a side surface of the first conducting portion is connected to the pole group, and the second conducting portion is disposed on a side surface of the first conducting portion facing away from the pole group.
3. The output pole structure of claim 1, wherein the second conducting portion comprises:
the support part is arranged on the first conduction part, and the support part and the first conduction part are of an integrated structure;
the connecting portion is arranged on the supporting portion and is used for being connected with the shell.
4. The output pole structure according to claim 3, wherein the housing is cylindrical, the pole group is disposed in the housing, a cover is disposed at an end of the housing, a mounting hole is formed in the cover, and the second conducting portion is disposed through the mounting hole.
5. The output pole structure of claim 4, wherein the cover is provided with a limit groove, the limit groove is disposed around the mounting hole, and the connection portion is riveted to the limit groove.
6. The output pole structure of claim 5, further comprising:
the fixing rib is arranged on the second conducting part, and the connecting part is flush with the fixing rib after the connecting part is riveted to the sealing cover;
and/or, the support rib set up in the second switches on the portion, the support rib encircles the supporting part sets up, the support rib is located the supporting part with the hookup location of first switches on the portion.
7. The output pole structure of claim 6, further comprising a first insulating seal comprising:
the first sealing part is arranged in the limit groove;
a second sealing part having an integrated structure with the first sealing part, the second sealing part being provided on an inner wall surface of the cover;
and a limiting interlayer is formed between the second sealing part and the first sealing part, and the limiting groove is limited in the limiting interlayer.
8. The output pole structure of claim 7, further comprising a second insulating seal, the second insulating seal being nested in the support, the second insulating seal abutting the first insulating seal;
the second insulating sealing piece is provided with a notch part, and the shape of the notch part is matched with the shape of the supporting rib.
9. The output pole structure according to any one of claims 2 to 8, characterized in that the first conduction portion is circular, and the second conduction portion is coaxially disposed with the first conduction portion;
and/or the electrode group is cylindrical, the end part of the electrode group is provided with an electrode lug, and the first conducting part covers the end part of the electrode group and is connected with the electrode lug.
10. A battery comprising the output electrode structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321726364.9U CN220138642U (en) | 2023-07-03 | 2023-07-03 | Output electrode structure and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321726364.9U CN220138642U (en) | 2023-07-03 | 2023-07-03 | Output electrode structure and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220138642U true CN220138642U (en) | 2023-12-05 |
Family
ID=88964382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321726364.9U Active CN220138642U (en) | 2023-07-03 | 2023-07-03 | Output electrode structure and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220138642U (en) |
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2023
- 2023-07-03 CN CN202321726364.9U patent/CN220138642U/en active Active
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