CN214336871U - Battery tab and battery - Google Patents
Battery tab and battery Download PDFInfo
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- CN214336871U CN214336871U CN202120602352.XU CN202120602352U CN214336871U CN 214336871 U CN214336871 U CN 214336871U CN 202120602352 U CN202120602352 U CN 202120602352U CN 214336871 U CN214336871 U CN 214336871U
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- layer
- battery
- heat dissipation
- signal shielding
- tab
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model belongs to the battery field and discloses a battery tab and a battery, wherein, the battery tab comprises a metal layer, a first signal shielding layer, a first heat dissipation layer, a second signal shielding layer and a tab glue layer; the metal level is including rubberizing district and non-rubberizing district, first signal shielding layer first heat dissipation layer the non-rubberizing district of metal level the second heat dissipation layer with the second signal shielding layer is range upon range of the setting in proper order, the utmost point ear glue film sets up the rubberizing district of metal level for fix the battery utmost point ear on the battery. The utility model discloses a set up signal shielding layer on utmost point ear, can shield the electromagnetic field that produces on the utmost point ear to reduce the interference of battery utmost point ear to the antenna on the mainboard, and then reduce the end sound of making an uproar on the electronic equipment, not only avoid causing the influence to electronic equipment's use, can improve user's use moreover and experience. In addition, the heat dissipation performance of the pole lug can be improved by arranging the heat dissipation layer on the pole lug.
Description
Technical Field
The utility model relates to a battery field indicates a battery tab and battery especially.
Background
Lithium ion batteries have been widely used as rechargeable power sources in various electronic products, such as smartwatches, smartbands, smartphones, tablet computers, and the like.
Along with the miniaturization requirement of electronic equipment, electronic components inside the electronic equipment are arranged more and more compactly, and batteries are also attached to a mainboard. In the use process of the electronic equipment, the battery is tightly attached to the mainboard, and the electronic equipment can generate large noise, so that the use performance of the electronic equipment is influenced, and the use experience of a user is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a battery tab and battery can reduce electronic equipment's the end sound of making an uproar, improves electronic equipment's performance and user's use and experiences.
The utility model provides a technical scheme as follows:
on one hand, the battery tab comprises a metal layer, a first signal shielding layer, a first heat dissipation layer, a second signal shielding layer and a tab glue layer;
the metal level is including rubberizing district and non-rubberizing district, first signal shielding layer first heat dissipation layer the non-rubberizing district of metal level the second heat dissipation layer with the second signal shielding layer is range upon range of the setting in proper order, the utmost point ear glue film sets up the rubberizing district of metal level for fix the battery utmost point ear on the battery.
Further preferably, the first signal shielding layer is a conductive cloth or a metal grid;
the second signal shielding layer is made of conductive cloth or a metal grid mesh.
Further preferably, the conductive cloth comprises a conductive cloth layer and a graphite layer, and the graphite layer is deposited on the conductive cloth layer.
Further preferably, the aperture of the mesh on the metal grid is less than 0.5-1 mm.
Further preferably, the first heat dissipation layer is made of graphite, copper foil or graphene;
the second heat dissipation layer is made of graphite, copper foil or graphene.
Further preferably, the thicknesses of the first signal shielding layer, the second signal shielding layer, the first heat dissipation layer and the second heat dissipation layer are respectively 0.01-0.02 mm;
the thickness of the metal layer is 0.07-0.1 mm.
Further preferably, the non-rubberized region comprises a first face and a second face which are oppositely arranged;
the first heat dissipation layer is coated on the first surface of the non-adhesive area, and the first signal shielding layer is coated on the first heat dissipation layer;
the second heat dissipation layer is coated on the second surface of the non-rubberized area, and the second signal shielding layer is coated on the second heat dissipation layer.
Further preferably, the first signal shielding layer, the first heat dissipation layer, the metal layer, the second heat dissipation layer and the second signal shielding layer are connected by an adhesive layer.
Further preferably, the thickness of the glue layer is 0.002-0.01 mm.
On the other hand, the battery comprises a battery body and the battery tab, wherein the battery tab is fixed on the battery body through tab glue.
The technical effects of the utility model reside in that: through set up signal shielding layer on utmost point ear, can shield the electromagnetic field that produces on the utmost point ear to reduce the interference of battery utmost point ear to the antenna on the mainboard, and then reduce the noise at the end sound on the electronic equipment, not only avoid causing the influence to electronic equipment's use, can improve user's use moreover and experience. In addition, because the tab belongs to the largest heating area of the battery during working, the tab can be quickly cooled by arranging the heat dissipation layer on the tab, and the heat dissipation performance of the tab is improved.
Drawings
The invention will be described in further detail with reference to the following drawings and embodiments:
fig. 1 is a cross-sectional view of a battery tab of the present invention;
fig. 2 is a top view of the metal layer of the present invention.
The reference numbers illustrate:
10. a metal layer; 11. a non-rubberized region; 12. a gluing area; 20. a first signal shielding layer; 30. a first heat dissipation layer; 40. a second heat dissipation layer; 50. a second signal shielding layer; 60. and a tab glue layer.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 creative efforts.
For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
As shown in fig. 1 and fig. 2, the present invention provides a specific embodiment of a battery tab, which includes a metal layer 10, a first signal shielding layer 20, a first heat dissipation layer 30, a second heat dissipation layer 40, a second signal shielding layer 50, and a tab glue layer 60; the metal layer 10 comprises a non-rubberizing area 11 and a rubberizing area 12, the first signal shielding layer 20, the first heat dissipation layer 30, the non-rubberizing area 11 of the metal layer 10, the second heat dissipation layer 40 and the second signal shielding layer 50 are sequentially stacked, and the tab glue layer 60 is arranged in the rubberizing area 12 of the metal layer 10 and used for fixing a battery tab on a battery.
Specifically, the metal layer 10 is a current channel of the battery tab, that is, the metal layer 10 is a tab body of the battery tab, and the metal layer 10 may be a copper strip, a nickel strip, an aluminum strip, a copper nickel plating strip or a copper nickel strip. The metal level 10 is including rubberizing district 12 and non-rubberizing district 11, and the region outside rubberizing district 12 on metal level 10 is non-rubberizing district 11, and rubberizing district 12 coats has utmost point ear to glue, and battery tab passes through utmost point ear to glue to be fixed on the battery. The tab glue is preferably made of PP or PE as a packaging fusion material.
The upper surface and the lower surface of the non-rubberizing area 11 of the metal layer 10 are covered with heat dissipation layers, and the heat dissipation layers can play a role in heat dissipation so as to rapidly conduct out heat generated when the metal layer 10 is electrified. The heat dissipation layer is covered with the signal shielding layer, and the signal shielding layer can play a role in signal shielding.
The inventor discovers at research and development in-process, when the mainboard is hugged closely to the battery among the electronic equipment, can produce the end sound of making an uproar, and the reason that produces the end noise sound is because there is the antenna on the mainboard, can produce the electromagnetic field when the battery has the electric current to pass through, and is the biggest at battery utmost point ear department electric current, therefore, the electromagnetic field that battery utmost point ear department produced is also stronger, and the strong electromagnetic field that battery utmost point ear department produced can produce the interference action and cause the end noise sound to the antenna on the mainboard, the utility model discloses a set up signal shielding layer on the metal level 10 of utmost point ear, can shield the electromagnetic field that produces on the metal level 10 to reduce the battery utmost point ear to the interference of antenna on the mainboard, reduce the end sound of making an uproar on the electronic equipment, avoid influencing electronic equipment's performance, and improve user's use experience. In addition, because the tab belongs to the maximum heating area when the battery works, the tab can be quickly cooled by arranging the heat dissipation layer on the metal layer 10.
Preferably, the first heat dissipation layer 30 is made of graphite, copper foil or graphene; the second heat dissipation layer 40 is made of graphite, copper foil or graphene.
The thicknesses of the first signal shielding layer 20, the second signal shielding layer 50, the first heat dissipation layer 30 and the second heat dissipation layer 40 are 0.01-0.02mm respectively; the thickness of the metal layer 10 is 0.07-0.1 mm. The signal shielding layer and the heat dissipation layer are controlled to be in the thickness, so that the battery tab has good heat dissipation performance and signal shielding performance, and good bending performance of the battery tab can be guaranteed.
In one embodiment, the heat dissipation layer and the signal shielding layer are disposed on the metal layer 10 by coating. Specifically, the non-rubberized region 11 comprises a first face and a second face which are oppositely arranged; the first heat dissipation layer 30 is coated on the first surface of the non-adhesive region 11, and the first signal shielding layer 20 is coated on the first heat dissipation layer 30; the second heat dissipation layer 40 is coated on the second side of the non-rubberized region 11, and the second signal shielding layer 50 is coated on the second heat dissipation layer 40. For example, the non-rubberized regions 11 on the upper and lower surfaces of the aluminum sheet are coated with a layer of graphite to form a heat dissipation layer, and then a shielding layer is coated on the surface of the heat dissipation layer to form a signal shielding layer.
In another embodiment, the heat dissipation layer and the signal shielding layer are fixed on the metal layer 10 by gluing, i.e. the first signal shielding layer 20, the first heat dissipation layer 30, the metal layer 10, the second heat dissipation layer 40 and the second signal shielding layer 50 are connected by a glue layer. The thickness of the glue layer is 0.002-0.01mm, the thickness of the glue layer can ensure the normal connection among the heat dissipation layers, the signal shielding layers and the metal layer 10, and can prevent glue overflow when the battery tab is bent. In this embodiment, the first signal shielding layer 20 is a conductive cloth or a metal grid, and the second signal shielding layer 50 is a conductive cloth or a metal grid. When the conductive cloth or the metal grid mesh is grounded through the conducting wire, the conductive cloth or the metal grid mesh can play a role in signal shielding.
The conductive cloth comprises a conductive cloth layer and a graphite layer, and the graphite layer is deposited on the conductive cloth layer. The conductive fabric layer is a conductive fabric cloth, which generally uses a fabric cloth (usually a polyester fabric) as a base material, and is formed into a conductive fabric cloth by applying a metal plating layer to make the fabric cloth have a metal characteristic, and the conductive fabric cloth can be generally divided into: nickel plating conductive cloth, gold plating conductive cloth, carbon plating conductive cloth or aluminum foil fiber composite cloth, etc.
The graphite layer is formed by mixing graphite and conductive adhesive, the conductive adhesive is an adhesive with certain conductive performance after being cured or dried, matrix resin and conductive particles are generally used as main components, and the conductive particles are combined together through the bonding effect of the matrix resin to form a conductive path. The conductive adhesive used in this embodiment is an existing conductive adhesive material.
During molding, after the graphite and the conductive glue solution are fully and uniformly mixed, the graphite slurry is deposited on the conductive cloth layer in a deposition mode to form a graphite layer. The matrix resin of the conductive adhesive is an adhesive, after the graphite layer is deposited on the conductive cloth layer, the graphite can be fixed on the conductive cloth layer through the conductive adhesive, the graphite deposited on the conductive cloth layer is integrated with the conductive cloth layer, and the graphite is not easy to slide due to the constraint of grids on the conductive cloth, so that the problem that the graphite layer in the conventional conductive cloth is easy to slide and is separated from the conductive cloth layer due to the layered structure of the graphite layer in the conventional conductive cloth can be solved, and the service performance of the conductive cloth is improved. When the conductive cloth is used as the signal shielding layer, the conductive cloth layer can achieve the electromagnetic shielding effect, and the graphite layer in the conductive cloth can also play a role in heat dissipation so as to further improve the heat dissipation performance of the battery tab.
The metal grid mesh comprises a plurality of horizontal metal strips and a plurality of vertical metal strips, the horizontal metal strips and the vertical metal strips are perpendicular to each other and are formed with a plurality of rectangular meshes, and the aperture of each mesh is smaller than 0.5-1 mm.
The utility model also provides a battery, including battery body and the battery utmost point ear in the above-mentioned embodiment, battery utmost point ear glues the encapsulation through utmost point ear on battery body. The outer surface of the battery body is wrapped with conductive cloth which can be used for shielding electromagnetic signals and playing a role in heat conduction, and the battery pasted with the conductive cloth is fixed on the whole machine through a double-faced adhesive tape.
In this embodiment, the conductive cloth wrapping the battery body includes a conductive cloth layer and a graphite layer, and the graphite layer is deposited on the conductive cloth layer. Among the current electrically conductive cloth, electrically conductive cloth includes electrically conductive cloth layer, conductive adhesive layer and graphite layer, and the graphite layer bonds together through electrically conductive adhesive layer and electrically conductive cloth layer, falls the in-process at electronic equipment, and the impact force is great, and the graphite layer is fixed on electrically conductive cloth layer through electrically conductive adhesive layer, and the graphite layer is laminated structure, and graphite easily slides, leads to the graphite layer can separate with conductive cloth layer, and then leads to the battery to paste insecure with the complete machine, and the battery frequently strikes the battery compartment, causes the inside short circuit of battery to generate heat easily. Through depositing graphite on the electrically conductive cloth layer, graphite and electrically conductive cloth fuse into an organic whole, and because net check constraint on the electrically conductive cloth, graphite is difficult for sliding, can solve the complete machine and fall the problem that in-process graphite and electrically conductive cloth layer layering.
In this embodiment, the battery tab having the signal shielding and heat dissipating functions is provided on the battery, so that the heat dissipating function and the signal shielding function of the battery can be improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A battery tab is characterized by comprising a metal layer, a first signal shielding layer, a first heat dissipation layer, a second signal shielding layer and a tab glue layer;
the metal level is including rubberizing district and non-rubberizing district, first signal shielding layer first heat dissipation layer the non-rubberizing district of metal level the second heat dissipation layer with the second signal shielding layer is range upon range of the setting in proper order, the utmost point ear glue film sets up the rubberizing district of metal level for fix the battery utmost point ear on the battery.
2. The battery tab as claimed in claim 1,
the first signal shielding layer is conductive cloth or a metal grid mesh;
the second signal shielding layer is made of conductive cloth or a metal grid mesh.
3. The battery tab as claimed in claim 2, wherein the conductive cloth comprises a conductive cloth layer and a graphite layer, the graphite layer being deposited on the conductive cloth layer.
4. A battery tab as claimed in claim 2, wherein the mesh of the metal grid has a pore size of less than 0.5-1 mm.
5. The battery tab as claimed in claim 1,
the first heat dissipation layer is made of graphite, copper foil or graphene;
the second heat dissipation layer is made of graphite, copper foil or graphene.
6. The battery tab as claimed in claim 1,
the thicknesses of the first signal shielding layer, the second signal shielding layer, the first heat dissipation layer and the second heat dissipation layer are respectively 0.01-0.02 mm;
the thickness of the metal layer is 0.07-0.1 mm.
7. The battery tab as claimed in claim 1,
the non-rubberizing area comprises a first surface and a second surface which are oppositely arranged;
the first heat dissipation layer is coated on the first surface of the non-adhesive area, and the first signal shielding layer is coated on the first heat dissipation layer;
the second heat dissipation layer is coated on the second surface of the non-rubberized area, and the second signal shielding layer is coated on the second heat dissipation layer.
8. The battery tab as claimed in claim 1, wherein the first signal shielding layer, the first heat dissipation layer, the metal layer, the second heat dissipation layer and the second signal shielding layer are connected by a glue layer.
9. The battery tab as claimed in claim 8, wherein the adhesive layer has a thickness of 0.002-0.01 mm.
10. A battery comprising a battery body and the battery tab of any one of claims 1-9, wherein the battery tab is secured to the battery body by tab glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120602352.XU CN214336871U (en) | 2021-03-24 | 2021-03-24 | Battery tab and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120602352.XU CN214336871U (en) | 2021-03-24 | 2021-03-24 | Battery tab and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214336871U true CN214336871U (en) | 2021-10-01 |
Family
ID=77889758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120602352.XU Active CN214336871U (en) | 2021-03-24 | 2021-03-24 | Battery tab and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214336871U (en) |
-
2021
- 2021-03-24 CN CN202120602352.XU patent/CN214336871U/en active Active
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