CN219163536U - Cover plate structure of battery cell - Google Patents
Cover plate structure of battery cell Download PDFInfo
- Publication number
- CN219163536U CN219163536U CN202223467300.XU CN202223467300U CN219163536U CN 219163536 U CN219163536 U CN 219163536U CN 202223467300 U CN202223467300 U CN 202223467300U CN 219163536 U CN219163536 U CN 219163536U
- Authority
- CN
- China
- Prior art keywords
- plastic
- positive electrode
- negative electrode
- aluminum sheet
- lower plastic
- 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
Images
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
The utility model relates to a battery cell cover plate structure, which comprises a light aluminum sheet, anode lower plastic, cathode lower plastic, an anode column and a cathode column; two opposite ends of the aluminum sheet are respectively provided with a abdication hole; the anode lower plastic and the cathode lower plastic are both arranged below the aluminum sheet; one end of the lower plastic of the positive electrode, which is far away from the lower plastic of the negative electrode, is provided with a yielding hole; one end of the negative electrode lower plastic, which is far away from the positive electrode lower plastic, is provided with a yielding hole; the top end of the positive pole sequentially passes through the abdication hole on the plastic body below the positive pole and one of the abdication holes of the aluminum sheet and extends to the upper part of the top surface of the aluminum sheet; the top end of the negative pole column sequentially passes through the abdication hole on the negative pole lower plastic body and the other abdication hole of the aluminum sheet and then extends to the upper part of the top surface of the aluminum sheet; and one end of the plastic under the anode and one end of the plastic under the cathode are detachably connected.
Description
Technical Field
The utility model relates to the technical field of battery cell cover plates, in particular to a battery cell cover plate structure.
Background
The battery cell cover plate with the positive and negative electrode posts arranged on the same side of the battery cell is generally assembled by a light aluminum sheet, plastic on the positive electrode, plastic on the negative electrode, the positive electrode post, the negative electrode post, a positive electrode riveting block, a negative electrode riveting block, plastic under the positive electrode, plastic under the negative electrode and the like. The horizontal section of the battery core is of a square structure, and the length of the horizontal section is usually longer and can reach 300mm, so that the length of a plastic integral body under the positive electrode, which is formed by plastic under the positive electrode and plastic under the negative electrode, needs to reach 300mm. In order to ensure that the plastic under the anode and the cathode does not shrink or deform in the injection molding process, the plastic under the anode and the plastic under the cathode can be respectively injected. When the cell cover plate is formed, the adjacent ends of the plastic under the positive electrode and the plastic under the negative electrode are subjected to the action of gravity, the adjacent ends of the plastic under the positive electrode and the plastic under the negative electrode droop, and the adjacent ends are not contacted with the aluminum sheet, so that the process of the hot melt polyester film is interfered.
Disclosure of Invention
In order to solve the problem that when the battery cell cover plate is formed, adjacent ends of the plastic under the positive electrode and the plastic under the negative electrode are easy to sag under the action of gravity and interfere the process of hot melting the polyester film, the utility model provides a battery cell cover plate structure.
The utility model provides a battery cell cover plate structure for realizing the purpose, which comprises the following components:
aluminum sheet, plastic under positive electrode, plastic under negative electrode, positive electrode column and negative electrode column;
two opposite ends of the aluminum sheet are respectively provided with a abdication hole;
the anode lower plastic and the cathode lower plastic are both arranged below the aluminum sheet;
one end of the lower plastic of the positive electrode, which is far away from the lower plastic of the negative electrode, is provided with a yielding hole;
one end of the negative electrode lower plastic, which is far away from the positive electrode lower plastic, is provided with a yielding hole;
the top end of the positive pole sequentially passes through the abdication hole on the plastic body below the positive pole and one of the abdication holes of the aluminum sheet and extends to the upper part of the top surface of the aluminum sheet;
the top end of the negative pole column sequentially passes through the abdication hole on the negative pole lower plastic body and the other abdication hole of the aluminum sheet and then extends to the upper part of the top surface of the aluminum sheet;
and one end of the plastic under the anode and one end of the plastic under the cathode are detachably connected.
In some embodiments, a clamping block is arranged at one end of the plastic under the positive electrode, and a clamping groove matched with the clamping block is arranged at one end of the plastic under the negative electrode.
In some embodiments, the bottom surface of the plastic under the positive electrode is provided with a first reinforcing part, and the bottom surface of the plastic under the negative electrode is provided with a second reinforcing part.
In some embodiments, the first reinforcement includes a plurality of first ribs; the first reinforcing ribs are distributed along the length direction of the plastic under the anode;
the second reinforcing part comprises a plurality of second reinforcing ribs; the second reinforcing ribs are distributed along the length direction of the plastic under the negative electrode.
In some embodiments, a first buffer groove is formed at one end of the lower positive electrode plastic, which is far away from the lower negative electrode plastic;
a plurality of electrolyte discharge holes are formed in the bottom of the first buffer tank.
In some embodiments, a second buffer groove is formed at one end of the lower negative electrode plastic, which is far away from the lower positive electrode plastic;
the bottom of the second buffer tank is provided with a plurality of electrolyte discharge holes.
In some of the specific embodiments, an explosion-proof valve mounting hole is formed in the middle of the aluminum sheet;
correspondingly, one end of the lower plastic of the positive electrode, which is close to the lower plastic of the negative electrode, is provided with a plurality of pressure relief holes;
the explosion-proof valve also comprises an explosion-proof valve and an explosion-proof valve protection sheet;
the explosion-proof valve is arranged in the explosion-proof valve mounting hole;
the explosion-proof valve protection sheet is attached to the top surface of the explosion-proof valve.
In some embodiments, the top surfaces of the two opposite ends of the aluminum sheet are respectively provided with a containing groove;
the device also comprises plastic on the positive electrode, plastic on the negative electrode, a positive electrode riveting block and a negative electrode riveting block;
the plastic on the positive electrode is arranged in one of the accommodating grooves, and the middle part of the positive electrode is provided with a yielding hole;
the plastic on the cathode is arranged in the other accommodating groove, and the middle part of the cathode is provided with a abdication hole;
the top end of the positive pole sequentially passes through the abdication hole on the plastic under the positive pole and one abdication Kong Ji hole on the plastic on the positive pole of the photo-aluminum sheet and then extends to the upper part of the top surface of the plastic on the positive pole;
the top end of the negative pole post sequentially passes through the abdication hole on the negative pole lower plastic, the other abdication hole of the aluminum sheet and the abdication hole on the negative pole upper plastic and then extends to the upper part of the top surface of the negative pole upper plastic;
the positive electrode riveting block is riveted with the top end of the positive electrode post;
the negative electrode riveting block is riveted with the top end of the negative electrode column.
In some embodiments, the device further comprises a positive electrode sealing ring and a negative electrode sealing ring;
the positive electrode sealing ring is sleeved on the positive electrode post;
the negative electrode sealing ring is sleeved on the negative electrode column.
In some embodiments, the method further comprises a positive electrode ceramic post and a negative electrode ceramic post;
the aluminum sheet, the plastic on the positive electrode and the plastic under the positive electrode are provided with first positioning holes matched with the positive electrode ceramic columns;
the aluminum sheet, the plastic on the negative electrode and the plastic under the negative electrode are provided with second positioning holes matched with the ceramic posts of the negative electrode.
The utility model has the beneficial effects that: the battery core cover plate structure is characterized in that one end of the plastic under the positive electrode is detachably connected with one end of the plastic under the negative electrode. Because the adjacent ends of the plastic under the positive electrode and the plastic under the negative electrode are connected, a certain supporting effect is achieved. The adjacent ends of the plastic under the positive electrode and the plastic under the negative electrode are not easy to sag under the action of gravity, so that the interference to the process of hot melting the polyester film is reduced, and the process of hot melting the polyester film can be smoothly carried out. The hot-melt polyester film is prevented from being lapped on the shell, the welding efficiency of the battery cell shell and the battery cell cover plate is guaranteed, and the production takt, the qualification rate of products and the safety performance of the battery cell are improved.
Drawings
FIG. 1 is a schematic view of a cell cover structure according to some embodiments of the present utility model;
FIG. 2 is a schematic diagram of a combination of embodiments of the plastic under the positive electrode and the plastic under the negative electrode in the cell cover structure shown in FIG. 1;
FIG. 3 is a schematic view of some embodiments of the plastic under the positive electrode in the battery cell cover structure shown in FIG. 1;
FIG. 4 is a schematic view of the combined structure of the anode lower plastic and the cathode lower plastic shown in FIG. 2 from another view angle.
110, plastic under the positive electrode in the drawing; 111. a clamping block; 112. a first reinforcing part; 113. a first buffer tank; 1131. an electrolyte discharge hole; 114. a pressure relief hole; 120. plastic under the negative electrode; 121. a second reinforcing part; 122. a second buffer tank; 200. a polished aluminum sheet; 210. a receiving groove; 211. a relief hole; 220. an explosion-proof valve mounting hole; 310. plastic cement is arranged on the anode; 320. plastic is arranged on the negative electrode; 410. a positive electrode post; 420. a negative electrode column; 510. a positive electrode riveting block; 520. a negative electrode riveting block; 600. an explosion-proof valve; 700. an explosion-proof valve protection sheet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "top," "bottom," "inner," "outer," "axis," "circumferential," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model or simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying 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.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," "engaged," "hinged," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1, 2, 3 and 4, as some embodiments of the present utility model, a battery cell cover structure includes a photo-aluminum sheet 200, an anode lower plastic 110, a cathode lower plastic 120, an anode post 410 and a cathode post 420. Wherein, two opposite ends of the photo-aluminum sheet 200 are respectively provided with a relief hole 211. The anode lower plastic 110 and the cathode lower plastic 120 are both disposed below the aluminum sheet 200. One end of the anode lower plastic 110, which is far away from the cathode lower plastic 120, is provided with a relief hole 211. One end of the negative electrode lower plastic 120, which is far away from the positive electrode lower plastic 110, is provided with a relief hole 211. The top end of the positive electrode column 410 sequentially passes through the relief hole 211 on the lower plastic 110 of the positive electrode and one of the relief holes 211 of the aluminum sheet 200, and then extends to above the top surface of the aluminum sheet 200. The top end of the negative pole post 420 sequentially passes through the relief hole 211 on the negative pole lower plastic 120 and the other relief hole 211 of the aluminum sheet 200 and then extends to the upper part of the top surface of the aluminum sheet 200. One end of the anode lower plastic 110 and one end of the cathode lower plastic 120 are detachably connected.
In such embodiments, the under-anode plastic 110 is disposed between the lower portion of the anode post 410 and the aluminum sheet 200, and can isolate the lower portion of the anode post 410 from the aluminum sheet 200. The negative electrode lower plastic 120 is disposed between the lower portion of the negative electrode post 420 and the photo-aluminum sheet 200, and can isolate the lower portion of the negative electrode post 420 from the photo-aluminum sheet 200. The adjacent ends of the plastic 110 under the positive electrode and the plastic 120 under the negative electrode can be detachably connected, so that the plastic 110 under the positive electrode and the plastic 120 under the negative electrode can be conveniently detached, replaced and installed for use, and the adjacent ends of the plastic 110 under the positive electrode and the plastic 120 under the negative electrode mutually play a certain supporting role, so that the adjacent ends of the plastic under the positive electrode and the plastic under the negative electrode are not easy to sag under the action of gravity, the plastic can be well attached to the middle of the bottom surface of the aluminum sheet 200, the interference to the hot melting polyester film process is reduced, and the hot melting polyester film process can be smoothly carried out. The hot-melt polyester film is prevented from being lapped on the shell, the welding efficiency of the battery cell shell and the battery cell cover plate is guaranteed, and the production takt, the qualification rate of products and the safety performance of the battery cell are improved.
In some applications, a clamping block 111 is disposed at one end of the lower positive electrode plastic 110, and a clamping groove adapted to the clamping block 111 is disposed at one end of the lower negative electrode plastic 120. The adjacent ends of the plastic 110 under the positive electrode and the plastic 120 under the negative electrode are connected in a clamping manner, so that the connection stability is effectively improved.
In other embodiments, the adjacent ends of the anode lower plastic 110 and the cathode lower plastic 120 are connected by screwing or other means.
In still other applications, a clamping block 111 is provided at one end of the negative electrode lower plastic 120, and a clamping groove adapted to the clamping block 111 is provided at one end of the positive electrode lower plastic 110. The material of the clamping block 111 is the same as that of the negative electrode lower plastic 120.
In some embodiments of the present utility model, the bottom surface of the plastic 110 under the positive electrode is provided with a first reinforcing portion 112. The first reinforcement 112 can enhance the rigidity and strength of the lower positive electrode plastic 110. The bottom surface of the negative electrode lower plastic 120 is provided with a second reinforcing part 121. The second reinforcement 121 can reinforce the rigidity and strength of the negative electrode lower plastic 120. In the whole, the adjacent ends of the plastic under the positive electrode and the plastic under the negative electrode are not easy to sag under the action of gravity.
In some applications, the first reinforcing portion 112 includes a plurality of first reinforcing ribs, wherein the first reinforcing ribs are distributed along the body length direction of the lower positive electrode plastic 110, and two ends of each first reinforcing rib extend along the body width direction of the lower positive electrode plastic 110. The second reinforcing part 121 includes a plurality of second reinforcing ribs, which are distributed along the body length direction of the negative electrode lower plastic 120, and both ends of each second reinforcing rib extend along the body width direction of the negative electrode lower plastic 120, respectively. Meanwhile, the arrangement positions of the first reinforcing ribs and the second reinforcing ribs should avoid other structures and hole sites of the traditional anode lower plastic and the traditional cathode lower plastic.
In other applications, the first reinforcing portion 112 is generally "rice" shaped, "cross" shaped, or other configuration, and the second reinforcing portion 121 is generally "rice" shaped, "cross" shaped, or other configuration.
In some embodiments of the present utility model, a first buffer slot 113 is disposed at an end of the anode lower plastic 110 away from the cathode lower plastic 120, and a plurality of electrolyte discharge holes 1131 are formed at the bottom of the first buffer slot 113. The end of the negative electrode lower plastic 120, which is far away from the positive electrode lower plastic 110, is provided with a second buffer groove 122, and a plurality of electrolyte discharge holes 1131 are formed in the bottom of the second buffer groove 122. Thus, the electrolyte remaining in the first buffer tank 113 and/or the second buffer tank 122 is discharged in time. And the residual electrolyte is prevented from influencing the voltage of the cell edge.
In some embodiments of the present utility model, an explosion-proof valve mounting hole 220 is opened at the middle of the photo-aluminum sheet 200. Correspondingly, a sinking groove is respectively arranged at one end of the anode lower plastic 110 close to the cathode lower plastic 120 and one end of the cathode lower plastic 120 close to the anode lower plastic 110, and a plurality of pressure release holes 114 are respectively arranged in the sinking grooves. The cell cover plate structure further includes an explosion-proof valve 600 and an explosion-proof valve protection sheet 700, the explosion-proof valve 600 is installed in the explosion-proof valve installation hole 220, and the explosion-proof valve protection sheet 700 is attached to the top surface of the explosion-proof valve 600.
In some embodiments of the present utility model, the top surfaces of the opposite ends of the aluminum flake 200 are respectively provided with a receiving groove 210. The cell cover structure further includes a positive plastic 310, a negative plastic 320, a positive rivet 510, and a negative rivet 520. The plastic 310 on the positive electrode is disposed in one of the accommodating grooves 210, and a relief hole 211 is formed in the middle of the plastic. The plastic 320 on the negative electrode is disposed in the other accommodating groove 210, and a relief hole 211 is formed in the middle of the negative electrode. The top end of the positive electrode column 410 sequentially passes through the relief hole 211 on the lower plastic 110 of the positive electrode, one of the relief holes 211 of the aluminum sheet 200 and the relief hole 211 on the plastic 310 of the positive electrode, and then extends to the upper side of the top surface of the plastic 310 of the positive electrode. The top end of the negative pole post 420 sequentially passes through the relief hole 211 on the negative pole lower plastic 120, the other relief hole 211 of the aluminum sheet 200 and the relief hole 211 on the negative pole upper plastic 320, and then extends to the upper part of the top surface of the negative pole upper plastic 320. The positive electrode rivet block 510 is riveted to the top end of the positive electrode column 410, and the negative electrode rivet block 520 is riveted to the top end of the negative electrode column 420.
In some embodiments of the utility model, the cell cover structure further comprises a positive electrode sealing ring, a negative electrode sealing ring, a positive electrode ceramic column and a negative electrode ceramic column. Wherein, positive pole seal ring is sleeved on the positive pole post, and negative pole seal ring is sleeved on the negative pole post. The aluminum sheet, the plastic on the positive electrode and the plastic under the positive electrode are provided with first positioning holes matched with the positive electrode ceramic columns. The aluminum sheet, the plastic on the negative electrode and the plastic under the negative electrode are provided with second positioning holes matched with the ceramic posts of the negative electrode.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "examples," "particular examples," "one particular embodiment," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The present utility model is not limited to the above preferred embodiments, and any person skilled in the art, within the scope of the present utility model, may apply to the present utility model, and equivalents and modifications thereof are intended to be included in the scope of the present utility model.
Claims (10)
1. A cell cover structure, comprising:
aluminum sheet, plastic under positive electrode, plastic under negative electrode, positive electrode column and negative electrode column;
two opposite ends of the aluminum sheet are respectively provided with a abdication hole;
the anode lower plastic and the cathode lower plastic are both arranged below the aluminum sheet;
one end of the lower plastic of the anode, which is far away from the lower plastic of the cathode, is provided with the abdication hole;
one end of the negative electrode lower plastic, which is far away from the positive electrode lower plastic, is provided with the abdication hole;
the top end of the positive pole sequentially passes through the abdication hole on the positive pole lower plastic body and one of the abdication holes of the aluminum sheet and then extends to the upper part of the top surface of the aluminum sheet;
the top end of the negative pole column sequentially passes through the abdication hole on the negative pole lower plastic body and the other abdication hole of the aluminum sheet and then extends to the upper part of the top surface of the aluminum sheet;
and one end of the plastic under the anode and one end of the plastic under the cathode are detachably connected.
2. The battery cell cover plate structure according to claim 1, wherein one end of the lower plastic of the positive electrode is provided with a clamping block, and one end of the lower plastic of the negative electrode is provided with a clamping groove matched with the clamping block.
3. The battery cell cover plate structure according to claim 1 or 2, wherein a first reinforcing portion is arranged on the bottom surface of the plastic under the positive electrode, and a second reinforcing portion is arranged on the bottom surface of the plastic under the negative electrode.
4. The cell cover structure of claim 3, wherein the first reinforcement portion comprises a plurality of first reinforcement ribs; the first reinforcing ribs are distributed along the length direction of the plastic under the positive electrode;
the second reinforcing part comprises a plurality of second reinforcing ribs; the second reinforcing ribs are distributed along the length direction of the plastic under the negative electrode.
5. The battery cell cover plate structure according to claim 1 or 2, wherein a first buffer groove is formed at one end of the lower positive electrode plastic, which is far away from the lower negative electrode plastic;
a plurality of electrolyte discharge holes are formed in the bottom of the first buffer tank.
6. The battery cell cover plate structure according to claim 1 or 2, wherein a second buffer groove is arranged at one end of the negative electrode lower plastic, which is far away from the positive electrode lower plastic;
and a plurality of electrolyte discharge holes are formed in the bottom of the second buffer tank.
7. The cell cover plate structure according to claim 1 or 2, wherein an explosion-proof valve mounting hole is formed in the middle of the optical aluminum sheet;
correspondingly, one end of the anode lower plastic close to the cathode lower plastic is provided with a plurality of pressure relief holes;
the explosion-proof valve also comprises an explosion-proof valve and an explosion-proof valve protection sheet;
the explosion-proof valve is arranged in the explosion-proof valve mounting hole;
the explosion-proof valve protection sheet is attached to the top surface of the explosion-proof valve.
8. The cell cover plate structure according to claim 1 or 2, wherein the top surfaces of the opposite ends of the aluminum sheet are respectively provided with a containing groove;
the device also comprises plastic on the positive electrode, plastic on the negative electrode, a positive electrode riveting block and a negative electrode riveting block;
the positive electrode is arranged in one of the accommodating grooves by plastic, and the middle part of the positive electrode is provided with the abdication hole;
the negative electrode is arranged in the other accommodating groove by plastic, and the middle part of the negative electrode is provided with one abdication hole;
the top end of the positive pole sequentially passes through the abdication hole on the positive pole lower plastic body, one of the abdication holes of the aluminum sheet and the abdication hole on the positive pole upper plastic body and then extends to the upper part of the top surface of the positive pole upper plastic body;
the top end of the negative pole post sequentially passes through the abdication hole on the negative pole lower plastic, the other abdication hole of the aluminum sheet and the abdication hole on the negative pole upper plastic and then extends to the upper part of the top surface of the negative pole upper plastic;
the positive electrode riveting block is riveted with the top end of the positive electrode post;
the negative electrode riveting block is riveted with the top end of the negative electrode column.
9. The cell cover structure of claim 8, further comprising a positive seal ring and a negative seal ring;
the positive electrode sealing ring is sleeved on the positive electrode post;
the negative electrode sealing ring is sleeved on the negative electrode column.
10. The cell cover structure of claim 8, further comprising a positive ceramic post and a negative ceramic post;
the aluminum sheet, the plastic on the positive electrode and the plastic under the positive electrode are provided with first positioning holes matched with the positive electrode ceramic columns;
the aluminum sheet, the plastic on the negative electrode and the plastic under the negative electrode are provided with second positioning holes matched with the ceramic posts of the negative electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223467300.XU CN219163536U (en) | 2022-12-23 | 2022-12-23 | Cover plate structure of battery cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223467300.XU CN219163536U (en) | 2022-12-23 | 2022-12-23 | Cover plate structure of battery cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219163536U true CN219163536U (en) | 2023-06-09 |
Family
ID=86616995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223467300.XU Active CN219163536U (en) | 2022-12-23 | 2022-12-23 | Cover plate structure of battery cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219163536U (en) |
-
2022
- 2022-12-23 CN CN202223467300.XU patent/CN219163536U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100928120B1 (en) | Secondary battery | |
| CN105870375B (en) | Power battery top cap and power battery | |
| KR100846972B1 (en) | Hardcase for secondary battery and secondary battery using it | |
| CN210325871U (en) | Lithium ion power battery cover plate and power battery | |
| CN212485426U (en) | Battery top cap and battery cell | |
| CN209183611U (en) | Battery modules | |
| CN114024082B (en) | Battery, battery module and battery pack | |
| CN116365129B (en) | End cover assembly, energy storage device and electric equipment | |
| CN217062312U (en) | Battery cover plate assembly and battery | |
| CN215869579U (en) | Novel extremely simple cover plate structure of square battery | |
| CN219163536U (en) | Cover plate structure of battery cell | |
| CN215418343U (en) | Battery top cap | |
| CN212571138U (en) | Single battery and power battery | |
| CN210576041U (en) | Power battery cover plate and power battery | |
| CN211629142U (en) | Battery cover plate device | |
| CN210576085U (en) | Battery pack | |
| CN218957887U (en) | Battery module structure | |
| CN218299997U (en) | Cover plate assembly and battery | |
| CN115621631B (en) | End cover assembly, battery cell, energy storage device and electric equipment | |
| CN110828720A (en) | Battery cover plate | |
| US20110151319A1 (en) | Secondary battery with enhanced structure | |
| CN219286621U (en) | Battery cell | |
| CN214625325U (en) | Liquid protection sheet structure is annotated in lithium cell notes liquid hole | |
| CN220291030U (en) | Battery cover plate and battery | |
| CN220963539U (en) | Battery cell cover plate and battery cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |