CN223093080U - A cylindrical battery with positive and negative electrodes at one end - Google Patents
A cylindrical battery with positive and negative electrodes at one end Download PDFInfo
- Publication number
- CN223093080U CN223093080U CN202323304707.5U CN202323304707U CN223093080U CN 223093080 U CN223093080 U CN 223093080U CN 202323304707 U CN202323304707 U CN 202323304707U CN 223093080 U CN223093080 U CN 223093080U
- Authority
- CN
- China
- Prior art keywords
- positive electrode
- current collecting
- negative electrode
- collecting disc
- electrode current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
本实用新型涉及一种正负极位于一端的圆柱电池，包括负极集流盘、正极集流盘、负极极耳、正极极耳和裸电芯，还包括绝缘胶套；所述负极极耳和正极极耳均设置在裸电芯的同一端，所述负极集流盘与负极极耳焊接，所述正极集流盘与正极极耳焊接；所述绝缘胶套套装在裸电芯的端部，绝缘胶套内设有负极集流盘限位槽和正极集流盘限位槽，且负极集流盘限位槽和正极集流盘限位槽之间具有绝缘阻断筋，所述负极集流盘位于负极集流盘限位槽中，所述正极集流盘位于正极集流盘限位槽中。
The utility model relates to a cylindrical battery with positive and negative electrodes located at one end, comprising a negative electrode collector plate, a positive electrode collector plate, a negative electrode tab, a positive electrode tab and a bare battery cell, and also comprising an insulating rubber sleeve; the negative electrode tab and the positive electrode tab are both arranged at the same end of the bare battery cell, the negative electrode collector plate is welded to the negative electrode tab, and the positive electrode collector plate is welded to the positive electrode tab; the insulating rubber sleeve is sleeved on the end of the bare battery cell, a negative electrode collector plate limiting groove and a positive electrode collector plate limiting groove are arranged in the insulating rubber sleeve, and an insulating blocking rib is provided between the negative electrode collector plate limiting groove and the positive electrode collector plate limiting groove, the negative electrode collector plate is located in the negative electrode collector plate limiting groove, and the positive electrode collector plate is located in the positive electrode collector plate limiting groove.
Description
Technical Field
The utility model relates to the technical field of lithium ion batteries, in particular to a cylindrical battery with a positive electrode and a negative electrode at one end.
Background
The lithium ion battery is a widely applied rechargeable battery technology, has higher energy density, longer cycle life, smaller self-discharge rate and lower operation and maintenance cost, and is widely applied to the fields of electronic products, electric automobiles, aerospace and the like.
The cylindrical battery is the most common lithium ion battery, and a typical cylindrical battery structure comprises a positive electrode, a negative electrode, a diaphragm, a shell and the like, wherein the insulation of the positive electrode and the negative electrode of the cylindrical battery is realized through two-end lead-out. However, in the existing positive and negative electrode insulation mode of the cylindrical battery, the positive and negative electrode current collecting plates can greatly occupy the inner space at two ends of the cylindrical battery, and greatly reduce the overall space utilization rate inside the cylindrical battery, so that the capacity of the cylindrical battery is greatly reduced, and meanwhile, the way of electronic circulation between the positive electrode and the negative electrode of the cylindrical battery becomes very tedious, the internal resistance of the battery output process is greatly increased, and the output power of the cylindrical battery is reduced.
Disclosure of utility model
In view of the above-mentioned drawbacks of the prior art, the present utility model is to provide a cylindrical battery with positive and negative electrodes at one end, which can make electrons flow at one end of the cylindrical battery, effectively reduce the electron transmission path, further reduce the internal resistance of the battery in the output process, save the internal space of the cylindrical battery, reduce the weight of the structural member, increase the overall energy density of the battery, and reduce the production cost of the structural member.
The utility model provides a cylindrical battery with a positive electrode and a negative electrode at one end, which comprises a negative electrode current collecting disc, a positive electrode current collecting disc, a negative electrode tab, a positive electrode tab and a bare cell, and further comprises an insulating rubber sleeve, wherein the negative electrode tab and the positive electrode tab are arranged at the same end of the bare cell, the negative electrode current collecting disc is welded with the negative electrode tab, the positive electrode current collecting disc is welded with the positive electrode tab, the insulating rubber sleeve is sleeved at the end part of the bare cell, a negative electrode current collecting disc limit groove and a positive electrode current collecting disc limit groove are arranged in the insulating rubber sleeve, insulation blocking ribs are arranged between the negative electrode current collecting disc limit groove and the positive electrode current collecting disc limit groove, the negative electrode current collecting disc is positioned in the negative electrode current collecting disc limit groove, and the positive electrode current collecting disc is positioned in the positive electrode current collecting disc limit groove.
Further, the solar cell battery further comprises a pole and a top cover, wherein the pole is arranged on the top cover, the top cover is pressed on the insulating rubber sleeve, a fan-shaped pit and a top cover hole are formed in the top cover, the fan-shaped pit is welded with the negative electrode current collecting disc, and the pole is welded with the positive electrode current collecting disc through the top cover hole.
Further, the battery pack also comprises an outer steel shell, wherein the bare cell is positioned in the outer steel shell, and the outer steel shell is welded and fixed with the top cover.
Further, the pole is provided with an inner hole, and the pole further comprises a pole inner sealing assembly, wherein the pole inner sealing assembly comprises a sealing cover and a sealing glue nail, the sealing glue nail is arranged at the welding position of the positive electrode current collecting disc and the pole, and the sealing cover is fixedly arranged in the pole inner hole and compresses the sealing glue nail.
Further, the battery pack also comprises a bottom cover, wherein the bottom cover is arranged at one end of the bare cell far away from the insulating rubber sleeve.
Further, the insulating rubber sleeve is made of natural rubber.
As described above, the cylindrical battery with the positive and negative electrodes at one end according to the present utility model has the following advantages:
1. Through set up insulating gum cover between anodal mass flow dish and negative pole mass flow dish, separate anodal mass flow dish and negative pole mass flow dish, ensure the stability of installation and isolation, can effectively save the inside space of cylinder battery, reduce structure weight to promote the holistic energy density of battery, reduce structure manufacturing cost.
2. Through setting up anodal mass flow dish and negative pole mass flow dish in one end, make the electron flow in the one end of outer steel casing, can effectively reduce electron transmission path, and then reduce the internal resistance of battery output process, promote the availability factor of battery.
Drawings
Fig. 1 is a schematic structural view of a cylindrical battery with positive and negative electrodes at one end according to the present utility model.
Fig. 2 is a schematic structural view of an inner surface of an insulation rubber sleeve according to the present utility model.
Fig. 3 is a schematic structural view of the outer surface of the insulating rubber sleeve in the present utility model.
Fig. 4 is a schematic structural view of the top cover and the pole in the present utility model.
Description of the reference numerals
1. Pole inner seal assembly
101. Sealing cover
102. Sealant nail
2. Pole post
3. Top cover
301. Sector pit
302. Top cover hole
4. Insulating rubber sleeve
401. Limiting groove of negative electrode current collecting disc
402. Insulation blocking rib
403. Limiting groove of positive electrode current collecting disc
404. Negative electrode connection through hole
405. Positive electrode connection through hole
5. Negative electrode current collecting disc
6. Positive electrode current collecting plate
7. Negative electrode tab
8. Positive electrode tab
9. Bare cell
10. Outer steel shell
11. Bottom cover
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or scope thereof. Also, the terms such as "upper", "lower", "left", "right", "middle", etc. are used herein for convenience of description, but are not to be construed as limiting the scope of the utility model, and the relative changes or modifications are not to be construed as essential to the scope of the utility model.
Referring to fig. 1 to 3, the utility model provides a cylindrical battery with a positive electrode and a negative electrode at one end, which comprises a negative electrode current collecting disc 5, a positive electrode current collecting disc 6, a negative electrode tab 7, a positive electrode tab 8 and a bare cell 9, and further comprises an insulating rubber sleeve 4, wherein the negative electrode tab 7 and the positive electrode tab 8 are arranged at the same end of the bare cell 9, the negative electrode tab 7 and the positive electrode tab 8 are preferably arranged in two non-adjacent fan-shaped areas on the end face of the bare cell 9 respectively, the bottom of the negative electrode current collecting disc 5 is welded with the negative electrode tab 7, the bottom of the positive electrode current collecting disc 6 is welded with the positive electrode tab 8, the insulating rubber sleeve 4 is sleeved at the end of the bare cell 9, a negative electrode current collecting disc limiting groove 401 and a positive electrode current collecting disc limiting groove 403 are arranged in the insulating rubber sleeve 4, a negative electrode connecting through hole 404 is formed in the negative electrode current collecting disc limiting groove 401, an insulating blocking rib 402 is arranged between the negative electrode current collecting disc limiting groove 403 and the positive electrode current collecting disc limiting groove 401, the negative electrode current collecting disc 5 is positioned in the negative electrode current collecting disc limiting groove 401, and the positive electrode current collecting disc is connected with the positive electrode side through the positive electrode current collecting disc 6 through the positive electrode connecting structure through the positive electrode connecting disc 404, and the positive electrode current collecting disc 6 is connected with the positive electrode through the positive electrode structure through the positive electrode connecting disc through the positive electrode plate limiting groove.
The basic working principle of the cylindrical battery with the anode and the cathode at one end is that firstly, the anode lug 7 and the cathode lug 8 are arranged at the same end of a bare cell 9, then the bottom of a cathode current collecting disc 6 is welded with the anode lug 8, after the cathode current collecting disc 5 is properly placed, the bottom of the cathode current collecting disc 5 is welded with the anode lug 7, then an insulating rubber sleeve 4 is used for pressing the cathode current collecting disc 5 and the anode current collecting disc 6, the cathode current collecting disc 5 is positioned in a cathode current collecting disc limiting groove 401 of the insulating rubber sleeve 4, the anode current collecting disc 6 is positioned in an anode current collecting disc limiting groove 403 of the insulating rubber sleeve 4, an insulating blocking rib 402 is arranged between the cathode current collecting disc limiting groove 401 and the anode current collecting disc limiting groove 403, finally, the anode and the cathode are arranged at the same end of the cylindrical battery in the whole structure, the internal space of the cylindrical battery can be effectively saved, one end of the electronic cylindrical battery can flow, the electronic transmission path can be effectively reduced, the whole energy density of the cylindrical battery can be effectively improved, and the production cost of a structural member can be reduced.
Referring to fig. 1 to 4, the present utility model is further described in the following by way of an embodiment:
In this embodiment, see fig. 1 and fig. 4, as the preferred design, still include utmost point post 2 and top cap 3, utmost point post setting is on top cap 3, top cap 3 compresses tightly on insulating gum cover 4, can strengthen insulating gum cover 4 parcel fixed effect on bare cell 9, fan-shaped pit 301 and top cap hole 302 have been seted up on top cap 3, fan-shaped pit 301 passes through negative pole connecting through-hole 404 and welds with negative pole current collecting tray 5, can further fix the position of negative pole current collecting tray 5, utmost point post 2 passes through top cap hole 302 and positive pole connecting through-hole 405 and welds with positive pole current collecting tray 6, can further fix the position of positive pole current collecting tray 6, can also strengthen the conducting effect of electric current.
In this embodiment, referring to fig. 1, as a preferred design, the battery further includes an outer steel shell 10, the bare cell 9 is located in the outer steel shell 10, and the outer steel shell 10 is welded and fixed with the top cover 3, so that stability and safety of the cylindrical battery structure can be improved.
In this embodiment, referring to fig. 1, as a preferred design, the pole 2 has an inner hole, the inner hole facilitates welding the pole 2 and the positive current collecting plate 6, and the pole inner sealing assembly 1 is further included, the pole inner sealing assembly 1 includes a sealing cover 101 and a sealing glue nail 102, the sealing glue nail 102 is disposed at a welding position between the positive current collecting plate 6 and the pole 2, the sealing cover 1 is fixedly disposed in the inner hole of the pole 2, and compresses the sealing glue nail 102, the pole inner sealing assembly 101 can seal a cylindrical battery, and alkaline liquor is prevented from leaking and penetrating outwards.
In this embodiment, referring to fig. 1, as a preferred design, a bottom cover 11 is further included, and the bottom cover 11 is disposed at an end of the bare cell 9 remote from the insulation cover 4, so that the bottom of the cylindrical battery can be protected from damage in the external environment, such as water and dust.
In this embodiment, referring to fig. 2 and 3, as a preferred design, the insulating rubber sleeve 4 is made of natural rubber, and has good elasticity, high strength, good insulation, small deformation in use, and convenient processing.
From the above, the cylindrical battery with the anode and the cathode at one end has the following beneficial effects:
1. Through set up insulating gum cover between anodal mass flow dish and negative pole mass flow dish, separate anodal mass flow dish and negative pole mass flow dish, ensure the stability of installation and isolation, can effectively save the inside space of cylinder battery, reduce structure weight to promote the holistic energy density of battery, reduce structure manufacturing cost.
2. Through setting up anodal mass flow dish and negative pole mass flow dish in one end, make the electron flow in the one end of outer steel casing, can effectively reduce electron transmission path, and then reduce the internal resistance of battery output process, promote the availability factor of battery.
In summary, the present utility model effectively overcomes the disadvantages of the prior art and has high industrial utility value.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (6)
1. The cylindrical battery with the positive electrode and the negative electrode at one end comprises a negative electrode current collecting disc (5), a positive electrode current collecting disc (6), a negative electrode tab (7), a positive electrode tab (8) and a bare cell (9), and is characterized by further comprising an insulating rubber sleeve (4), wherein the negative electrode tab (7) and the positive electrode tab (8) are arranged at the same end of the bare cell (9), the negative electrode current collecting disc (5) is welded with the negative electrode tab (7), the positive electrode current collecting disc (6) is welded with the positive electrode tab (8), the insulating rubber sleeve (4) is sleeved at the end part of the bare cell (9), a negative electrode current collecting disc limiting groove (401) and a positive electrode current collecting disc limiting groove (403) are formed in the insulating rubber sleeve (4), an insulating blocking rib (402) is arranged between the negative electrode current collecting disc limiting groove (401) and the positive electrode current collecting disc limiting groove (403), and the positive electrode current collecting disc (6) is positioned in the positive electrode current collecting disc limiting groove (403).
2. The cylindrical battery with the positive and negative electrodes at one end according to claim 1, further comprising a pole column (2) and a top cover (3), wherein the pole column (2) is arranged on the top cover (3), the top cover (3) is pressed on the insulating rubber sleeve (4), a fan-shaped pit (301) and a top cover hole (302) are formed in the top cover (3), the fan-shaped pit (301) is welded with the negative electrode current collecting disc (5), and the pole column (2) is welded with the positive electrode current collecting disc (6) through the top cover hole (302).
3. The cylindrical battery with the anode and the cathode at one end according to claim 2, further comprising an outer steel shell (10), wherein the bare cell (9) is positioned in the outer steel shell (10), and the outer steel shell (10) is welded and fixed with the top cover (3).
4. A cylindrical battery with a positive electrode and a negative electrode at one end according to claim 2 or 3, wherein the pole column (2) is provided with an inner hole and further comprises a pole column inner sealing component (1), the pole column inner sealing component (1) comprises a sealing cover (101) and a sealing glue nail (102), the sealing glue nail (102) is arranged at a welding position of the positive electrode current collecting disc (6) and the pole column (2), and the sealing cover (101) is fixedly arranged in the inner hole of the pole column (2) and compresses the sealing glue nail (102).
5. The cylindrical battery with the positive and negative electrodes at one end according to claim 1, further comprising a bottom cover (11), wherein the bottom cover (11) is arranged at one end of the bare cell (9) far away from the insulating rubber sleeve (4).
6. The cylindrical battery with the anode and the cathode at one end according to claim 1, wherein the insulating rubber sleeve (4) is made of natural rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323304707.5U CN223093080U (en) | 2023-12-05 | 2023-12-05 | A cylindrical battery with positive and negative electrodes at one end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323304707.5U CN223093080U (en) | 2023-12-05 | 2023-12-05 | A cylindrical battery with positive and negative electrodes at one end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223093080U true CN223093080U (en) | 2025-07-11 |
Family
ID=96294362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323304707.5U Active CN223093080U (en) | 2023-12-05 | 2023-12-05 | A cylindrical battery with positive and negative electrodes at one end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223093080U (en) |
-
2023
- 2023-12-05 CN CN202323304707.5U patent/CN223093080U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204947019U (en) | A kind of full lug column lithium ion battery | |
| WO2023226190A1 (en) | Battery assembly, battery, and electric vehicle | |
| CN223245865U (en) | Battery assembly, battery and electric vehicle | |
| US20240243300A1 (en) | Positive current collector plate and cylindrical battery | |
| CN101771165A (en) | Cylindrical lithium-ion power battery and preparation method thereof | |
| WO2023173655A1 (en) | Battery structure assembly, battery, and electric vehicle | |
| CN223093080U (en) | A cylindrical battery with positive and negative electrodes at one end | |
| WO2023173656A1 (en) | Battery structure assembly, battery, and electric vehicle | |
| WO2023011232A1 (en) | Cylindrical battery having anti-vibration and impact resistance effects | |
| CN202034444U (en) | Lithium ion power battery | |
| CN219717024U (en) | Cylindrical battery and battery pack comprising same | |
| KR20250000117U (en) | Cylindrical lithium battery cap sealing structure with built-in bms board | |
| CN217485674U (en) | Cylindrical battery | |
| CN218160462U (en) | High-energy lithium-ion battery | |
| CN218887261U (en) | Battery with a battery cell | |
| CN206401408U (en) | A cylindrical lithium battery | |
| CN113054200B (en) | Bipolar grid for lead-acid storage battery formed by compounding frame and lead wire | |
| CN211700344U (en) | A lithium battery cover plate with reference pole structure | |
| CN209592152U (en) | A kind of composite lithium ion battery of high life | |
| CN209709087U (en) | A laminated battery | |
| CN222300808U (en) | Sodium-electricity steel shell large cylinder high-multiplying power battery | |
| CN209561568U (en) | 1 to No. 7 solid lithium ion rechargeable battery | |
| CN220209078U (en) | Cylindrical battery | |
| CN208539023U (en) | a cylindrical battery | |
| CN206490103U (en) | A kind of electrode lead-out structure of dynamic lithium battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |