CN218039730U - Battery and electronic equipment - Google Patents
Battery and electronic equipment Download PDFInfo
- Publication number
- CN218039730U CN218039730U CN202222393916.0U CN202222393916U CN218039730U CN 218039730 U CN218039730 U CN 218039730U CN 202222393916 U CN202222393916 U CN 202222393916U CN 218039730 U CN218039730 U CN 218039730U
- Authority
- CN
- China
- Prior art keywords
- battery
- tab
- adhesive layer
- utmost point
- point ear
- 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
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a battery and electronic equipment, the battery includes electric core, first utmost point ear, second utmost point ear and first bonding piece, the second utmost point ear is connected with electric core, the first utmost point ear includes connecting portion, the first utmost point ear is connected with the second utmost point ear through connecting portion; the first bonding piece comprises a first surface and a second surface, the first surface is provided with viscosity, a first area of the second surface is provided with viscosity, the first bonding piece extends from the first side surface of the battery cell to a part covering the second lug, the first surface of the first bonding piece is bonded with the battery cell and the second lug, and the first area of the second surface of the first bonding piece is bonded with the connecting part. First bonding piece supports the second utmost point ear, reduces the second utmost point ear and receives to drag the too big and cracked condition of power to first surface and the first region at first bonding piece all have viscidity, make first bonding piece can fix the connecting portion of first utmost point ear, reduce the first utmost point ear and kick-back and lead to the circumstances such as desoldering, positioning deviation, promoted the yields of battery.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a battery and electronic equipment.
Background
With the increasing requirement on the rate performance of the battery, a plurality of layers of soft tabs are generally arranged on an electrode plate, and the soft tabs and the hard tabs are connected in a switching manner through ultrasonic welding, laser welding, resistance welding and the like, so that the charge-discharge rate is improved. However, the soft tab and hard tab transition areas take up more space within the battery, resulting in a smaller battery design capacity.
In the prior art, although some enterprises have designed the structure of the tab to bend the hard tab so as to save the internal space of the battery, the hard tab has a large thickness and is seriously rebounded after being bent; and the conditions of hard lug and soft lug off-welding and positioning deviation are easy to occur in the rebounding process, so that the yield of the battery is low.
It can be seen that the problem of low yield exists in the battery among the prior art.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a battery and electronic equipment to solve the lower problem of battery yields among the prior art.
The embodiment of the utility model provides a battery, including electric core, first utmost point ear, second utmost point ear and first bonding piece, the second utmost point ear with electric core is connected, first utmost point ear includes connecting portion, first utmost point ear pass through connecting portion with the second utmost point ear is connected;
the first bonding piece comprises a first surface and a second surface, the first surface is provided with viscosity, a first area of the second surface is provided with viscosity, the first bonding piece extends from the first side surface of the battery cell to a part covering the second tab, the first surface of the first bonding piece is bonded with the battery cell and the second tab, and a first area of the second surface of the first bonding piece is bonded with the connecting part.
Optionally, the first adhesive member includes a first adhesive layer and a second adhesive layer, the first surface of the first adhesive layer has adhesiveness, the first surface and the second surface of the second adhesive layer both have adhesiveness, the first adhesive layer extends from the first side surface of the battery cell to a portion covering the second tab, the first surface of the second adhesive layer is adhered to the first adhesive layer, and the second surface of the second adhesive layer is adhered to the connecting portion.
Optionally, the first tab includes the connecting portion and an extending portion, the connecting portion is disposed opposite to the end surface of the battery core, and the extending portion extends from the connecting portion toward a direction away from the end surface.
Optionally, the length covered by the first adhesive member on the first side surface of the battery cell is at least 1 mm.
Optionally, the battery further includes a second adhesive member, the second adhesive member extends from a second side surface of the battery cell to a surface of the connection portion, the surface being away from the battery cell, and the second side surface and the first side surface are two opposite side surfaces of the battery cell.
Optionally, the width of the first bonding piece is greater than the width of the first tab.
Optionally, the width of the second adhesive piece is greater than the width of the first tab.
Optionally, the battery further includes a casing, the casing is provided with an accommodating cavity, the battery cell is disposed in the accommodating cavity, and the extending portion passes through the sealing edge of the casing from the accommodating cavity and extends to the outside of the casing;
and the extension part is provided with tab glue and is fixed with the sealed edge through the tab glue.
Optionally, the connecting portion is a welding position of the first tab and the second tab.
Optionally, the coverage area of the second surface of the second adhesive layer on the connection portion is smaller than the area of the connection portion.
Optionally, the coverage area of the second adhesive member on the connecting portion is greater than or equal to the area of the connecting portion.
Optionally, the battery cell includes an electrode sheet, at least one second tab is disposed on the electrode sheet, and the electrode sheet is wound or stacked.
The embodiment of the utility model provides an electronic equipment is still provided, including foretell battery.
In the embodiment of the utility model, the first tab can be connected with the second tab by bending the connecting part, so as to improve the space utilization rate; first bonding piece can extend to covering second utmost point ear from the electric core to carry out supporting role to the second utmost point ear, reduce the second utmost point ear and receive the too big and cracked condition of pulling power, and first region on the first surface of first bonding piece and second surface all has viscidity, make first bonding piece can fix the connecting portion of first utmost point ear, reduce first utmost point ear resilience and lead to taking off the condition of welding, positioning deviation etc, promoted the yields of battery.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a battery provided by an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
The terms "first," "second," and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be understood that the structures so used are interchangeable under appropriate circumstances such that embodiments of the invention can be practiced in sequences other than those illustrated or described herein, and the terms "first," "second," and the like are generally used herein in a generic sense without limitation to the number of terms, e.g., the first term can be one, or more than one.
The embodiment of the utility model provides a battery, as shown in fig. 1, including electric core 10, first utmost point ear 20, second utmost point ear 30 and first bonding piece 40, second utmost point ear 30 with electric core 10 is connected, first utmost point ear 20 includes connecting portion 201, first utmost point ear 20 passes through connecting portion 201 and is connected with second utmost point ear 30;
the first adhesive member 40 includes a first surface and a second surface, the first surface has adhesiveness, a first area of the second surface has adhesiveness, the first adhesive member 40 extends from the first side surface of the battery cell 10 to a portion covering the second tab 30, the first surface of the first adhesive member 40 is adhered to the battery cell 10 and the second tab 30, and the first area of the second surface of the first adhesive member 40 is adhered to the connection portion 201.
In this embodiment, the first tab 20 may be connected to the second tab 30 by a bending connection portion 201, so as to improve space utilization; first bonding piece 40 can extend to cover second utmost point ear 30 from electric core 10 to carry out supporting role to second utmost point ear 30, reduce second utmost point ear 30 and receive the too big and cracked condition of pulling power, and first region on the first surface of first bonding piece 40 and second surface all has viscidity, make first bonding piece 40 can fix the connecting portion 201 of first utmost point ear 20, reduce first utmost point ear 20 and kick-back and lead to the condition such as sealing off, positioning deviation, the yields of battery has been promoted.
Wherein, connecting portion 201 can be the welding position of first utmost point ear 20 and second utmost point ear 30, and first utmost point ear 20 can be hard utmost point ear, and second utmost point ear 30 can be soft utmost point ear, and soft utmost point ear bending characteristic is better, and hard utmost point ear can be through the terminal surface of soft utmost point ear setting at electric core 10 to in the position to hard utmost point ear is adjusted. The soft lug and the hard lug can be fixed by ultrasonic welding, laser welding, resistance welding and the like.
Wherein, the portion of the second tab 30 covered with the first adhesive 40 may be a portion of the second tab 30 not welded to the connection part 201 such that the first area of the second surface of the first adhesive 40 faces the connection part 201.
It should be noted that both the first surface and the second surface of the first adhesive member 40 may have adhesiveness, and the same technical effect can be achieved, which is not described herein again.
In some optional embodiments, the first adhesive member 40 may include a first adhesive layer 401 and a second adhesive layer 402, a first surface of the first adhesive layer 401 has adhesiveness, a first surface and a second surface of the second adhesive layer 402 both have adhesiveness, the first adhesive layer 401 extends from the first side surface of the battery cell 10 to a portion covering the second electrode tab 30, a first surface of the second adhesive layer 402 is adhered to the first adhesive layer 401, and a second surface of the second adhesive layer 402 is adhered to the connecting portion 201.
Specifically, a first surface of the first adhesive layer 401, that is, a surface of the first adhesive layer 401 facing the second electrode tab 30 has adhesiveness, and the first adhesive layer 401 may extend from the first side surface of the battery cell 10 to a portion covering the second electrode tab 30 to support the second electrode tab 30; the first surface and the second surface of the second adhesive layer 402 both have viscosity, for example, the first surface and the second surface may be hot melt adhesive, double faced adhesive tape, etc., the first surface of the second adhesive layer 402 is adhered to the second surface of the first adhesive layer 401, and the second surface of the second adhesive layer 402 is adhered to the connecting portion 201, so that the connecting portion 201 may be fixed on the first adhesive layer 401 through the second adhesive layer 402, in this way, the first adhesive member 40 may fix the connecting portion 201 of the first tab 20, reduce the situations of desoldering, positioning deviation, etc. caused by the rebounding of the first tab 20, and improve the yield of the battery.
Wherein the portion of the second electrode tab 30 covered with the first adhesive layer 401 may be a portion of the second electrode tab 30 that is not welded to the connection part 201 such that the first region of the second surface of the first adhesive layer 401 faces the connection part 201.
The second adhesive layer 402 may be disposed between the first adhesive layer 401 and the connection portion 201 after the first adhesive layer 401 is fixed, so that the thickness of the second adhesive layer 402 is adjusted according to the gap between the connection portion 201 and the battery cell 10, and the fixing effect on the first tab 20 is improved.
In other alternative embodiments, the first adhesive member 40 may be a unitary structure. First surface of first bonding piece 40 is towards electric core 10 and second utmost point ear 30 position, the first region of first bonding piece 40 second surface is towards the position at connecting portion 201 place, make first bonding piece 40 can extend to covering second utmost point ear 30 from electric core 10, in order to carry out the supporting role to second utmost point ear 30, it is too big and cracked condition to reduce second utmost point ear 30 to receive the power of dragging, and simultaneously, first bonding piece 40 can be fixed to connecting portion 201 of first utmost point ear 20, it leads to the desoldering to reduce the resilience of first utmost point ear 20, the condition such as positioning deviation, the yields of battery has been promoted.
Optionally, the first tab 20 includes the connection portion 201 and an extension portion 202, where the connection portion 201 is disposed opposite to an end surface of the battery cell 10, and the extension portion 202 extends from the connection portion 201 toward a direction away from the end surface.
In this embodiment, the connection portion 201 and the extension portion 202 may be bent, and the connection portion 201 is connected to the battery cell 10 through the second tab 30, so as to improve the space utilization rate; the second tab 30 may be disposed on an end surface of the electrical core 10, a first surface of the first adhesive layer 401 faces a side surface of the electrical core 10 and an end surface of the electrical core 10 where the second tab 30 is located, a first area of a second surface of the first adhesive layer 401 faces a position where the connecting portion 201 is located, the second adhesive layer 402 may be a hot melt adhesive, the second adhesive layer 402 may be disposed in the first area in a dispensing manner, so that the connecting portion 201 is disposed opposite to the end surface of the electrical core, and the connecting portion 201 is parallel to the end surface of the electrical core 10, so as to improve stability of the first tab 20 fixed on the electrical core 10 and the second tab 30 through the first adhesive member 40, and further improve a yield of the battery.
Optionally, the battery further includes a casing, the casing is provided with an accommodating cavity, the battery cell 10 is disposed in the accommodating cavity, and the extending portion 202 passes through the sealing edge of the casing from the accommodating cavity and extends to the outside of the casing;
the extension part 202 is provided with tab glue 203, and the extension part 202 is fixed with the sealed edge through the tab glue 203.
In this embodiment, the casing can be the plastic-aluminum membrane, can form the hole cave with the plastic-aluminum membrane through stamping process, places electric core in the hole cave to buckle the plastic-aluminum membrane, make the plastic-aluminum membrane after buckling cooperate and form the casing. Place the matched with plastic-aluminum membrane junction between upper cover and low head, the banding of casing is formed in the heating pressurization effect through the head, and simultaneously, be provided with utmost point ear gum 203 on extension 202, make utmost point ear gum 203 set up in the banding position, at head heating pressurization's in-process, extension 202 of first utmost point ear 20 is fixed with banding hot melt through utmost point ear gum 203, the constraint effect to first utmost point ear 20 has been strengthened, it leads to the desoldering to reduce first utmost point ear 20 resilience, the condition such as positioning deviation, the yields of battery has been promoted.
Optionally, the length of the first adhesive member 40 covered on the first side surface of the battery cell 10 is at least 1 mm.
In this embodiment, first bonding piece 40 extends to cover second utmost point ear 30 from the first side of electric core 10, and the length that first bonding piece 40 covered on the first side of electric core 10 is 1 millimeter at least, in order to increase, frictional force between first bonding piece 40 and the electric core 10, thereby promote first bonding piece 40 to the fixed effect of first utmost point ear 20, reduce the first utmost point ear 20 and kick-back and lead to the circumstances such as desoldering, positioning deviation, promoted the yields of battery.
Optionally, the battery further includes a second adhesive member 50, where the second adhesive member 50 extends from a second side surface of the battery cell 10 to a surface of the connection portion 201 facing away from the battery cell 10, and the second side surface and the first side surface may be two opposite side surfaces of the battery cell 10.
In this embodiment, the first side surface and the second side surface may be two opposite side surfaces on the battery cell 10, and the end surface of the battery cell 10 is located between the first side surface and the second side surface. The first bonding piece 40 extends from the first side surface of the battery cell 10 to cover the second tab 30, a first surface of the first bonding piece 40 is bonded to the battery cell 10 and the second tab 30, and a first area of a second surface of the first bonding piece 40 is bonded to a surface of the connection portion 201 facing the battery cell 10, so as to fix the first tab 20 and support the second tab 30; the second adhesive member 50 extends from the second side surface of the battery cell 10 to a surface of the connecting portion 201 away from the battery cell 10, so as to further fix the first tab 20, and reduce the situations of desoldering, positioning deviation and the like caused by the rebounding after the first tab 20 is bent.
Moreover, the joint of the first tab 20 and the second tab 30 usually has a welding mark, that is, the connecting portion 201 is formed with a welding mark, and the second adhesive member 50 extends from the second side surface of the battery cell 10 to a surface of the connecting portion 201 away from the battery cell 10, so that the welding mark can be covered by the second adhesive member 50, the condition that the battery short circuit corrosion is caused by the contact between the welding mark burr and the aluminum-plastic film is prevented, and the yield of the battery is improved.
Optionally, the width of the first adhesive member 40 is greater than the width of the first tab 20.
In this embodiment, the first adhesive member 40 may include a first adhesive layer 401 and a second adhesive layer 402, and the color of the first adhesive layer 401 may be green, tan, blue, or golden yellow according to the raw material selected during preparation; the thickness of the first adhesive layer 401 may be 0.005mm to 0.2mm, the width may be 25mm to 80mm, and the width of the first adhesive layer 401 is greater than that of the first tab 20 to enhance the fixing effect; the size of the first adhesive layer 401 covering the upper surface of the battery cell 10 is greater than or equal to 1mm; the first adhesive layer 401 is used to support the second tab 30, so as to prevent the second tab 30 from being broken due to excessive pulling force when the first tab 20 is fixed. The color of the second adhesive layer 402 is white or transparent and colorless according to raw materials selected during preparation, the thickness of the second adhesive layer 402 can be 0.005mm to 1mm, the height of the second adhesive layer 402 in the height direction of the battery cell 10 can be 1mm to 10mm, the second adhesive layer 402 covers the surface of the connecting part 201 facing the battery cell, the connecting part 201 of the first tab 20 is connected with the first adhesive layer 401, the situation of rebounding after the first tab 20 is bent is prevented, and therefore the yield of the battery is improved.
Wherein, the width of the first tab 20 is 20mm to 60mm, and the thickness of the first tab may be 0.1mm to 1mm; the width of the second pole ear 30 may be 20mm to 60mm, the thickness of the single layer second pole ear 30 may be 0.004mm to 0.02mm, and the width of the first and second pole ears 20 and 30 may be the same.
Optionally, the width of the second adhesive member 50 is greater than the width of the first tab 20.
In this embodiment, the color of the second adhesive member 50 may be green, tan, blue, or golden yellow according to the raw material selected during the preparation, the thickness of the second adhesive member 50 may be 0.005mm to 0.2mm, the width of the second adhesive member 50 may be 25mm to 80mm, and the width of the second adhesive member 50 is greater than the width of the first tab 20, so as to enhance the fixing effect of the second adhesive member 50 on the first tab 20.
Optionally, the coverage area of the second surface of the second adhesive layer 402 on the connection portion 201 is smaller than the area of the connection portion 201.
In this embodiment, the first surface of the first adhesive layer 401 faces one side surface of the battery cell 10 and the end surface of the battery cell 10 where the second tab 30 is located, the first area of the second surface of the first adhesive layer 401 faces the position where the connection portion 201 is located, the second adhesive layer 402 may be a plurality of adhesive layers formed in a dispensing manner, the plurality of second adhesive layers 402 are disposed at intervals between the connection portion 201 and the first adhesive layer 401, so that the coverage area of the second surface of the second adhesive layer 402 on the connection portion 201 is smaller than the area of the connection portion 201, thereby reducing the cost for disposing the second adhesive layer 402, improving the connection stability between the first tab 20 and the first adhesive layer 401, and simultaneously, enlarging the heat dissipation area at the welding position of the connection portion 201, reducing the heat accumulation during the use of the battery, and improving the safety of the battery.
Optionally, the coverage area of the second adhesive member 50 on the connection portion 201 is greater than or equal to the area of the connection portion 201, so that the second adhesive member 50 completely covers the welding mark on the connection portion 201 in the height direction of the battery cell, and the second adhesive member functions to prevent a welding mark burr from contacting the aluminum-plastic film, which causes short-circuit corrosion of the battery cell 10, and improves the safety of the battery.
Optionally, the cell includes an electrode sheet, at least one of the second pole ears 30 is disposed on the electrode sheet, and the electrode sheet is wound or laminated.
The electrode plates are wound or laminated to form the battery core 10, and according to the design requirement of the battery, 30 to 120 layers of the second electrode tabs 30 may be disposed on the battery core 10, and the thickness of the single-layer second electrode tab 30 may be 0.004mm to 0.02mm, so as to improve the capacity density and the charge-discharge rate of the battery.
The embodiment of the utility model provides an electronic equipment is still provided, including foretell battery.
The electronic device may be a notebook computer, a smart phone, or the like, and is not limited herein. The implementation manner of the embodiment of the battery is also suitable for the embodiment of the electronic device, and can achieve the same technical effect, which is not described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one of 8230, and" comprising 8230does not exclude the presence of additional like elements in a process, method, article, or apparatus comprising the element. Furthermore, it should be noted that the scope of the methods and apparatus of the embodiments of the present invention is not limited to performing functions in the order discussed, but may include performing functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
The above description is for illustrative purposes only and is not intended to be limiting, and the present invention is not limited to the above embodiments, and many modifications may be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (12)
1. A battery is characterized by comprising an electric core, a first lug, a second lug and a first bonding piece, wherein the second lug is connected with the electric core, the first lug comprises a connecting part, and the first lug is connected with the second lug through the connecting part;
the first bonding piece comprises a first surface and a second surface, the first surface is provided with viscosity, a first area of the second surface is provided with viscosity, the first bonding piece extends from the first side surface of the battery cell to a part covering the second tab, the first surface of the first bonding piece is bonded with the battery cell and the second tab, and a first area of the second surface of the first bonding piece is bonded with the connecting part.
2. The battery of claim 1, wherein the first adhesive member comprises a first adhesive layer and a second adhesive layer, wherein the first adhesive layer has adhesive properties on a first surface thereof, and the second adhesive layer has adhesive properties on both a first surface and a second surface thereof, the first adhesive layer extends from the first side surface of the battery cell to a portion covering the second tab, the first surface of the second adhesive layer is adhered to the first adhesive layer, and the second surface of the second adhesive layer is adhered to the connecting portion.
3. The battery of claim 1, wherein the first tab comprises the connecting portion and an extending portion, the connecting portion is disposed opposite to an end surface of the battery cell, and the extending portion extends from the connecting portion toward a direction away from the end surface.
4. The battery of claim 1, wherein the first adhesive covers at least 1mm of the first side of the cell.
5. The battery of claim 1, further comprising a second adhesive extending from a second side of the cell to a surface of the connecting portion facing away from the cell, wherein the second side and the first side are opposite surfaces of the cell.
6. The battery of claim 1, wherein the first adhesive member has a width greater than a width of the first tab.
7. The battery of claim 5, wherein the second adhesive member has a width greater than that of the first tab.
8. The battery of claim 3, further comprising a housing, wherein the housing is provided with a receiving cavity, the battery cell is disposed in the receiving cavity, and the extension portion extends from the receiving cavity to the outside of the housing through a sealing edge of the housing;
and the extension part is provided with tab glue and is fixed with the sealed edge through the tab glue.
9. The battery of claim 1, wherein the connection is a weld location of the first tab and the second tab.
10. The battery according to claim 2, wherein a coverage area of the second surface of the second adhesive layer on the connection part is smaller than an area of the connection part.
11. The battery according to claim 5, wherein the second adhesive member covers an area of the connection part which is greater than or equal to an area of the connection part.
12. An electronic device characterized by comprising the battery according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222393916.0U CN218039730U (en) | 2022-09-08 | 2022-09-08 | Battery and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222393916.0U CN218039730U (en) | 2022-09-08 | 2022-09-08 | Battery and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218039730U true CN218039730U (en) | 2022-12-13 |
Family
ID=84352522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222393916.0U Active CN218039730U (en) | 2022-09-08 | 2022-09-08 | Battery and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218039730U (en) |
-
2022
- 2022-09-08 CN CN202222393916.0U patent/CN218039730U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3588620B1 (en) | Secondary battery and electrode plate thereof | |
| WO2023036267A1 (en) | Battery electrode plate, battery, and method for manufacturing battery electrode plate | |
| EP3726620A1 (en) | Battery and battery pack having same, and electric vehicle | |
| CN110808377A (en) | Battery cell, battery and electronic equipment | |
| CN212810486U (en) | Pole chip lead-out sheet and battery core | |
| WO2023088434A1 (en) | Plate and battery | |
| CN209401760U (en) | Secondary cell and its tab component | |
| CN218039730U (en) | Battery and electronic equipment | |
| CN110091049B (en) | Pressure welding method for battery pack connecting piece | |
| CN115312989B (en) | Battery connecting sheet, assembling method thereof, battery pack and electric equipment | |
| CN217641490U (en) | Battery protection board and battery | |
| EP2312594A1 (en) | Ptc device and electric device containing same | |
| CN114914639A (en) | Battery and electronic equipment | |
| CN215418273U (en) | But fast assembly's laminate polymer battery that makes an uproar falls | |
| CN214957265U (en) | Naked electric core of many utmost points ear, many utmost point ear battery | |
| CN115548154A (en) | Photovoltaic module | |
| CN210744059U (en) | Tab and busbar connection structure and battery module | |
| CN211605266U (en) | Welding-free sticking type assembling structure of lithium battery electrode | |
| CN218039398U (en) | Polymer battery | |
| CN217485675U (en) | Battery and electronic equipment | |
| CN220341463U (en) | Single battery, battery and electric equipment | |
| CN210506178U (en) | Multifunctional film structure and have its utmost point ear | |
| CN216958432U (en) | Battery and electronic device | |
| CN218731677U (en) | Battery cell and lithium ion battery | |
| CN221239767U (en) | Battery cell, battery and electricity utilization device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |