CN116759761A - Battery and electronic equipment - Google Patents
Battery and electronic equipment Download PDFInfo
- Publication number
- CN116759761A CN116759761A CN202310801477.9A CN202310801477A CN116759761A CN 116759761 A CN116759761 A CN 116759761A CN 202310801477 A CN202310801477 A CN 202310801477A CN 116759761 A CN116759761 A CN 116759761A
- Authority
- CN
- China
- Prior art keywords
- conductive
- battery
- conductive layer
- protection plate
- battery protection
- 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.)
- Pending
Links
- 238000003466 welding Methods 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 7
- 239000002390 adhesive tape Substances 0.000 claims description 4
- 239000012943 hotmelt Substances 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 23
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 210000004027 cell Anatomy 0.000 description 29
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 16
- 229910052759 nickel Inorganic materials 0.000 description 8
- 239000011449 brick Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 210000005069 ears Anatomy 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000004927 fusion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/172—Arrangements of electric connectors penetrating the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
-
- 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 invention provides a battery and electronic equipment, wherein the battery comprises a battery core, a battery protection plate and a connecting piece; the battery cell comprises a first electrode lug and a second electrode lug which are opposite in polarity; the battery protection board is provided with a conductive part, a first circuit and a second circuit, the conductive part comprises a first conductive part and a second conductive part, the first conductive part is connected with a first tab, the second conductive part is connected with a second tab, one end of a connecting piece is connected with the first conductive part, the other end of the connecting piece is connected with the second conductive part, and the second tab is connected with the first circuit, the first conductive part and the first tab through the second conductive part and the connecting piece to form a first connecting loop; the second lug is connected with the first lug through the first conductive part, the second conductive part and the second circuit to form a second connection loop. The invention reduces the welding times of the electrode lugs of the battery core, reduces the welding difficulty of the electrode lugs and the battery protection plate and the bending difficulty of the battery protection plate, is easier to install, and is beneficial to improving the capacity of the battery.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a battery and electronic equipment.
Background
Since the material of the lithium battery itself determines that it cannot be overcharged, overdischarged, overcurrent, short-circuited and ultra-high temperature charged and discharged, the lithium battery is generally provided with a battery protection plate for monitoring and protection. As fast charging technology becomes more popular, the overcurrent requirements for batteries and battery protection boards become higher. For higher overcurrent protection effect, the size of the battery protection board is correspondingly larger. However, the larger the size occupied by the battery protection board, the smaller the capacity of the battery will be, and the cruising ability of the electronic device will be affected.
At present, the current capacity of the battery protection plate is improved by adopting a three-pole ear cell or a pole ear transfer welding connecting piece shunt structure, but the three-pole ear cell structure improves the bending difficulty of the battery protection plate, the pole ear transfer welding connecting piece structure improves the welding requirement, the welding reliability is reduced, and the installation difficulty of the battery protection plate is increased.
Disclosure of Invention
The invention solves the problem of high installation difficulty of the traditional battery protection plate.
In order to solve the above problems, a first aspect of the present invention provides a battery, including a battery cell, a battery protection plate, and a connection member;
the battery cell comprises a first tab and a second tab with opposite polarities;
The battery protection plate is provided with a conductive part, a first circuit and a second circuit, the conductive part comprises a first conductive part and a second conductive part, the first conductive part is connected with the first tab, the second conductive part is connected with the second tab, one end of the connecting piece is connected with the first conductive part, the other end of the connecting piece is connected with the second conductive part, and the second tab is connected with the first circuit, the first conductive part and the first tab through the second conductive part and the connecting piece to form a first connecting loop; the second lug and the first lug are connected through the first conductive part, the second conductive part and the second circuit to form a second connection loop.
Further, the first conductive part comprises a first conductive sheet and a first conductive layer, the first conductive sheet is electrically connected with the first conductive layer, and the first tab is electrically connected with the first conductive layer through the first conductive sheet;
and/or, the second conductive part comprises a second conductive sheet and a second conductive layer, the second conductive sheet is electrically connected with the second conductive layer, and the second lug is electrically connected with the second conductive layer through the second conductive sheet.
Further, the first conductive sheet and the first conductive layer are connected by welding or hot melting;
and/or the second conductive sheet and the second conductive layer are connected by welding or hot melting.
Further, the circuit board further comprises a third circuit and a fourth circuit, and the first conductive sheet and the first conductive layer are connected through the third circuit;
and/or the second conductive sheet and the second conductive layer are connected through the fourth circuit.
Further, the second tab is connected with the first tab through the second conductive sheet, the second conductive layer, the connecting piece, the first conductive layer, the first circuit, the first conductive sheet and the first tab to form a first connection loop;
the second lug is connected with the first lug through the first conducting strip, the second circuit, the second conducting strip and the first lug to form a second connection loop.
Further, the connecting piece comprises a first connecting end, a second connecting end and a connecting part, wherein the first connecting end and the second connecting end are connected through the connecting part, the first conducting layer and the first connecting end are connected through welding, and the second conducting layer and the second connecting end are connected through welding.
Further, an electronic component is further arranged on the battery protection plate and connected with the first circuit and/or the second circuit, the electronic component is arranged between the first conductive layer and the second conductive layer, the electronic component is positioned between the battery protection plate and the connecting portion, and an insulating layer is arranged between the connecting portion and the electronic component.
Further, along the thickness direction of the battery protection plate, at least part of the connecting portion protrudes from the first connecting end and the second connecting end, and a distance between the protruding portion of the connecting portion and the battery protection plate is larger than the thickness of the electronic component protruding from the battery protection plate.
Further, the battery protection plate includes a first side surface and a second side surface that are disposed opposite to each other in a thickness direction, the first conductive sheet and the second conductive sheet are both disposed on the first side surface, and the electronic component is disposed on the first side surface, or the electronic component is disposed on the second side surface.
Further, the electronic component and the second conductive layer are both arranged on the second side surface, the second conductive layer and the second conductive sheet are oppositely arranged, and the distance between each position of the connecting part and the battery protection board is equal.
Further, the electronic component and the second conductive layer are both arranged on the surface of the first side, the second conductive layer is connected with the second conductive sheet, the first conductive sheet is arranged between the first conductive layer and the second conductive layer, and the electronic component is arranged between the first conductive layer and the first conductive sheet.
Further, the connecting portion includes first connecting portion and second connecting portion, first connecting portion with the second connecting portion forms step-shaped connecting portion, electronic components is located battery protection shield with between the first connecting portion, first conducting strip is located battery protection shield with between the second connecting portion, first connecting portion with interval between the battery protection shield is greater than the second connecting portion with interval between the battery protection shield.
Further, the electronic components are arranged on the second side surface, and the distances between the positions of the connecting parts and the battery protection plate are equal;
the second conductive part is arranged on the first side surface, the second conductive layer is connected with the second conductive sheet, and the second connecting end is bent to the second conductive layer and is electrically connected with the second conductive layer;
And/or the first conductive part is arranged on the first side surface, the first conductive layer is connected with the first conductive sheet, and the first connecting end is bent to the first conductive layer and is electrically connected with the first conductive layer.
Further, a first notch is formed in the edge of the battery protection plate, and the bent part of the first connecting end and/or the second connecting end is contained in the first notch.
Further, the two connecting ends and the connecting part form a U-shaped connecting piece, and the U-shaped connecting piece is a flexible connecting piece.
Further, the battery cell further comprises a top sealing edge, the first tab and the second tab extend from the top sealing edge, and the U-shaped connecting piece extends in a direction away from the top sealing edge.
Further, at least part of the connecting portion is bent towards the top sealing edge, a second notch is formed in the edge of the battery protection plate, and the bent portions of the connecting portion are respectively contained in the two second notches.
Further, the connecting part is fixedly connected with the top edge of the battery cell through double faced adhesive tape or gummed paper or glue.
Further, the battery protection board further comprises at least two connectors, and the connectors are respectively arranged at two ends of the battery protection board along the width direction of the battery protection board and are respectively electrically connected with the first connection loop and the second connection loop.
A second aspect of the invention provides an electronic device comprising a battery as claimed in any of the first aspects.
According to the battery and the electronic equipment, the connecting piece is arranged, and the conductive part connected with the connecting piece is arranged on the battery protection plate, so that compared with a three-pole ear battery cell, the number of times of welding the battery cell electrode ear is reduced, the welding difficulty of the electrode ear and the battery protection plate is reduced, the bending difficulty of the battery protection plate is reduced, and the battery protection plate is convenient to install; in addition, be connected with the utmost point ear through electrically conductive portion to and be connected connecting piece and battery protection board through electrically conductive portion, not only be favorable to improving battery welding's reliability, improve production efficiency, and the second ear is connected with first circuit, first electrically conductive portion and first utmost point ear through second electrically conductive portion, connecting piece, form first connecting loop, second ear and first utmost point ear are connected through first electrically conductive portion, second electrically conductive portion and second circuit, form the second connecting loop, battery protection board and electric core form parallelly connected double loop, can reduce battery protection board's single loop current size, improve battery protection board's overcurrent ability, and reduce battery protection board's size, can promote the holding size of battery, promote the capacity of battery.
Drawings
Fig. 1 is a schematic view of a battery according to an embodiment of the present invention;
fig. 2 is a schematic view showing a first connection of a battery protection plate and a connection member provided in an embodiment of the present invention;
fig. 3 is a schematic view showing a second connection of a battery protection plate and a connection member provided in an embodiment of the present invention;
fig. 4 is a schematic view showing a third connection of a battery protection plate and a connection member provided in an embodiment of the present invention;
fig. 5 is a fourth connection schematic diagram of a battery protection plate and a connection member provided in an embodiment of the present invention;
FIG. 6 is a first schematic view illustrating bending of the connecting member of FIG. 5;
fig. 7 is a schematic view of a second structure of the bending of the connecting piece in fig. 5.
Reference numerals illustrate:
10-an electric core; 11-a body portion; 12-top seal; 13-electrode lugs; 20-a battery protection plate; 21-a first conductive sheet; 22-a second conductive sheet; 23-a first conductive layer; 24-a second conductive layer; 25-electronic components; 26-a first gap; a 27-connector; 28-a second gap; 30-connecting piece; 31-connecting ends; 32-connection.
Detailed Description
The technical scheme of the invention is clearly and thoroughly described below with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. 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 of the described features. Furthermore, in the description of the present invention, the meaning of "at least one" means one or more, unless specifically defined otherwise.
In the description of the present specification, the term "on the basis of the above-described embodiment" means that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one preferred embodiment or preferred example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same implementations or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
As shown in fig. 1, the present embodiment provides a battery including a battery cell 10, a battery protection plate 20, and a connection member 30, wherein:
the battery cell 10 comprises a battery cell body, a shell and a tab 13, wherein the shell comprises a main body part 11, a side sealing edge and a top sealing edge 12, the main body part 11 is used for wrapping the battery cell body, the side sealing edge and the top sealing edge 12 extend from the main body part 11, the top sealing edge 12 extends from the top surface of the main body part 11, and the side sealing edge extends from the side surface of the main body part 11; two utmost point ears 13 all are connected with the electric core body, and two utmost point ears 13 all extend to the outside of casing from top edge 12, and two utmost point ears 13 can all set up the one end at electric core 10 to the connection of two utmost point ears 13. For convenience of description, the two tabs 13 are a first tab and a second tab, the polarities of the first tab and the second tab are opposite, the specific polarities of the first tab and the second tab are not limited in this embodiment, the first tab may be a positive tab, and the second tab is a negative tab; alternatively, the first tab may be a negative tab, and the second tab may be a positive tab.
The battery protection board 20 may be connected to the first tab and the second tab, and connected to an electronic component of the electronic device, so as to implement the switching of the battery cell 10. The battery protection plate 20 may protect the battery cell 10. The battery protection plate 20 is provided with a conductive part, a first circuit and a second circuit, the conductive part may be disposed on the surface of the battery protection plate 20, and the first circuit and the second circuit may be disposed inside the battery protection plate 20 in an embedded manner. The conductive part comprises a first conductive part and a second conductive part, the first conductive part is connected with the first tab, and the second conductive part is connected with the second tab. The connecting piece 30 comprises two connecting ends 31 and connecting parts 32, the connecting parts 32 are connected with the two connecting ends 31, one connecting end 31 is connected with the first conductive part, the other connecting end 31 is connected with the second conductive part, and the second lug is connected with the first circuit, the first conductive part and the first lug through the second conductive part and the connecting piece to form a first connecting loop; the second lug is connected with the first lug through the first conductive part, the second conductive part and the second circuit to form a second connection loop. The first connection loop and the second connection loop may form two parallel current loops, i.e., the battery protection plate 20 and the battery cell 10 form a parallel double loop.
In the embodiment, the connecting piece is arranged, and the conductive part connected with the connecting piece is arranged on the battery protection plate, so that compared with a three-pole ear cell, the number of times of welding the electrode ear of the cell is reduced, the welding difficulty of the electrode ear and the battery protection plate is reduced, and the bending difficulty of the battery protection plate is reduced; in addition, be connected with the utmost point ear through electrically conductive portion to and be connected connecting piece and battery protection board through electrically conductive portion, not only be favorable to improving battery welding's reliability, improve production efficiency, and the second ear is connected with first circuit, first electrically conductive portion and first utmost point ear through second electrically conductive portion, connecting piece, form first connecting loop, second ear and first utmost point ear are connected through first electrically conductive portion, second electrically conductive portion and second circuit, form the second connecting loop, battery protection board and electric core form parallelly connected double loop, can reduce battery protection board's single loop current size, improve battery protection board's overcurrent ability, and reduce battery protection board's size, can promote the holding size of battery, promote the capacity of battery.
The first conductive part comprises a first conductive sheet 21 and a first conductive layer 23, the first conductive sheet 21 is electrically connected with the first conductive layer 23, and the first tab is electrically connected with the first conductive layer 23 through the first conductive sheet 21; the second conductive portion includes a second conductive sheet 22 and a second conductive layer 24, the second conductive sheet 22 is electrically connected to the second conductive layer 24, and the second tab is electrically connected to the second conductive layer 24 through the second conductive sheet 22.
In this embodiment, the first tab is electrically connected to the first conductive sheet 21, the first conductive sheet 21 is electrically connected to the first conductive layer 23, the second tab is electrically connected to the second conductive sheet 22, the second conductive sheet 22 is electrically connected to the second conductive layer 24, and the connecting piece 30 is electrically connected to the first conductive layer 23 and the second conductive layer 24 respectively, so that the second tab, the second conductive sheet 22, the second conductive layer 24, the connecting piece 30, the first conductive layer 23, the first circuit, the first conductive sheet 21 and the first tab form a first connection loop; the second tab, the second conductive sheet 22, the second circuit, the first conductive sheet 21, and the first tab form a second connection loop. By forming two current loops, the current can be split, reducing the single loop current level of the battery protection plate 20.
In this embodiment, the first conductive sheet 21 and the first conductive layer 23 may be connected by welding or hot melting, so as to realize electrical connection between the first conductive sheet 21 and the first conductive layer 23; a third circuit may be further disposed in the battery protection plate 20, and the first conductive sheet 21 and the first conductive layer 23 may be connected through the third circuit, so that electrical connection between the first conductive sheet 21 and the first conductive layer 23 is achieved. As an alternative embodiment, if the first conductive sheet 21 and the first conductive layer 23 are located on the same side surface of the battery protection plate 20, the first conductive sheet 21 and the first conductive layer 23 may be connected by welding or hot melting; if the first conductive sheet 21 and the first conductive layer 23 are respectively located at both side surfaces of the battery protection plate 20, the first conductive sheet 21 and the first conductive layer 23 may be connected through a third circuit.
The second conductive sheet 22 and the second conductive layer 24 may be electrically connected to each other by welding or hot melting, so as to realize electrical connection between the second conductive sheet 22 and the second conductive layer 24; a fourth circuit may be further disposed in the battery protection plate 20, and the second conductive sheet 22 and the second conductive layer 24 may be connected through the fourth circuit, so that electrical connection between the second conductive sheet 22 and the second conductive layer 24 is achieved. As an alternative embodiment, if the second conductive sheet 22 and the second conductive layer 24 are located on the same side surface of the battery protection plate 20, the second conductive sheet 22 and the second conductive layer 24 may be connected by welding or heat fusion; if the second conductive sheet 22 and the second conductive layer 24 are respectively located at both side surfaces of the battery protection plate 20, the second conductive sheet 22 and the second conductive layer 24 may be connected through a fourth circuit.
It should be noted that the third circuit may be a part of the first circuit, and the fourth circuit may be a part of the second circuit.
In this embodiment, the first conductive layer 23 and the second conductive layer 24 may be provided with bonding pads or nickel bricks, the two first conductive layers 23 and the second conductive layer 24 may be provided with bonding pads, the first conductive layer 23 and the second conductive layer 24 may be provided with nickel bricks, the first conductive layer 23 and the second conductive layer 24 may be provided with nickel plates, and the second conductive layer 24 may be provided with nickel bricks. The first conductive layer 23 and one connection terminal 31 may be welded to the pad by soldering, or welded to the nickel brick by spot welding or laser welding, and the second conductive layer 24 and the other connection terminal may be welded to the pad by soldering, or welded to the nickel brick by spot welding or laser welding, thereby achieving electrical connection between the connection terminal 31 and the conductive layer, and electrically connecting the connection member 30 and the battery protection plate 20.
In this embodiment, the battery protection board 20 is conductive except for the conductive layer, the conductive sheet, the electronic component and other components disposed thereon, and the circuits (such as the first circuit, the second circuit, the third circuit and the fourth circuit) embedded in the battery protection board 20 are used to realize the electrical connection between some components on the battery protection board 20, and the battery protection board 20 itself may be made of an insulating material, for example, the battery protection board 20 body may be made of a plastic material or a flame retardant resin.
As an alternative embodiment, the thickness of the connecting member 30 is 0.05mm to 0.3mm, and the width of the connecting member 30 is 2mm to 6mm, so that the connecting member 30 can meet the requirement of overcurrent capability, and the oversized connecting member 30 can be avoided, and the energy density of the battery is prevented from being influenced.
In this embodiment, the thickness refers to a dimension along the z-axis direction in fig. 4, the width refers to a dimension along the x-axis direction in fig. 4, and the length refers to the y-axis direction in fig. 4.
In this embodiment, the connecting member 30 may be a metal connecting member, for example, the connecting member 30 may be made of metal such as nickel, copper, or an alloy material, the connecting member 30 may be a flexible connecting member, for example, the connecting member 30 may be made of FPC. In this embodiment, the conductive member is made of metal, for example, the conductive member may be made of metal such as nickel, copper, or an alloy thereof.
As an alternative embodiment, the connecting piece 30 is in a straight sheet shape, and the connecting portion 32 and the two connecting ends 31 are located on the same plane, the connecting portion 32 of the connecting piece 30 may be tightly attached to the battery protection board, that is, the connecting portion 32 may contact with the battery protection board, and the connecting portion 32 may also be bonded to the battery protection board 20 by double-sided adhesive or gummed paper or glue, so as to improve the connection stability of the connecting portion 32 and the battery protection board 20.
As shown in fig. 2 to 4, the battery protection plate 20 is further provided with a plurality of electronic components 25, and the number of the electronic components 25 may be plural, and the electronic components 25 are independently disposed and insulated from each other. The electronic component 25 is electrically connected with the first circuit and/or the second circuit, that is, the electronic component 25 may be electrically connected with only the first circuit, the electronic component 25 may be electrically connected with only the second circuit, or a part of the electronic component 25 is electrically connected with the first circuit, and another part of the electronic component 25 is electrically connected with the second circuit. The electronic component 25 is connected to which circuit, and can be set by those skilled in the art according to the actual situation.
As an alternative embodiment, the electronic component 25 is disposed between the first conductive layer 23 and the second conductive layer 24, and the electronic component 25 is disposed between the battery protection plate 20 and the connection portion 32 of the connection member 30, and an insulating layer is disposed between the connection portion 32 and the electronic component 25 to prevent the connection portion 32 from being in contact with the electronic component 25 to cause a short circuit. The surface of the connection portion 32 near the electronic component 25 may be covered with an insulating layer, or the surface of the connection portion 32 may be covered with an insulating layer, or the surface of the electronic component 25 may be covered with an insulating layer. As an alternative embodiment, the insulating layer may be an insulating glue or an insulating paper. It should be noted that, the connection terminal 31 in the present embodiment may not be provided with an insulating layer, so as to avoid affecting the welding of the connection terminal 31.
As an alternative embodiment, along the thickness direction of the battery protection plate 20, at least part of the connection portion 32 protrudes out of the two connection ends 31 to form an avoidance space between the connection portion 32 and the battery protection plate 20, and the electronic component 25 is accommodated in the avoidance space to avoid mutual interference between the electronic component 25 and the connection portion 32 and to avoid risk of short circuit caused by contact between the electronic component 25 and the connection portion 32. In this case, the distance between the protruding portion of the connection portion 32 and the battery protection plate 20 is larger than the thickness of the electronic component 25 protruding from the battery protection plate 20. As an alternative embodiment, if the thickness of the electronic component 25 is T1 (i.e., the thickness of the electronic component 25 protruding from the battery protection plate 20), the thickness of the connection portion 32 is T2, and the distance between the protruding portion of the connection portion 32 and the battery protection plate 20 is H, the following relationship is satisfied: T1+T2+0.5mm is larger than or equal to H > T1, thereby avoiding the risk of short circuit caused by contact between the electronic component 25 and the connecting part 32, and avoiding the influence on the energy density of the battery due to overlarge protruding size of the connecting part 32.
In the present embodiment, the battery protection plate 20 includes a first side surface and a second side surface that are disposed opposite to each other in the thickness direction, the first conductive sheet 21 and the second conductive sheet 22 are each disposed on the first side surface, the electronic component 25 is disposed on the first side surface, or the electronic component 25 is disposed on the second side surface. That is, the first conductive sheet 21 and the second conductive sheet 22 are disposed on the same side in the thickness direction of the battery protection plate 20 so as to be connected with the tab 13. The electronic components 25 may be disposed on different surfaces of the battery protection plate 20 according to circumstances.
Specifically, as an alternative embodiment, as shown in fig. 2, the electronic component 25, the connection member 30, the first conductive layer 23 and the second conductive layer 24 are disposed on the second side surface, and the first conductive sheet 21 and the second conductive sheet 22 are disposed on the first side surface, so that the connection member 30 can be prevented from contacting the tab 13 or the cell 10 to cause a short circuit. In this case, the second conductive layer 24 and the second conductive sheet 22 are disposed on both sides of the battery protection plate 20 in the thickness direction, respectively, and the second conductive layer 24 and the second conductive sheet 22 are disposed opposite to each other, and the second conductive layer 24 and the second conductive sheet 22 are electrically connected, and the respective positions of the connection portions 32 are spaced apart from the battery protection plate 20 at equal intervals. As an alternative embodiment, a fourth circuit may be provided in the battery protection plate 20, and the second conductive sheet 22 and the second conductive layer 24 may be connected through the fourth circuit, so that electrical connection between the second conductive sheet 22 and the second conductive layer 24 is achieved; alternatively, the battery protection plate 20 may be provided with a via hole, and the second conductive layer 24 and the second conductive sheet 22 may be electrically connected through the via hole.
The battery protection plate 20 of the structure shown in fig. 2 is suitable for a battery protection plate 20 in which the space of the first side surface (i.e., the side surface where the conductive member is provided) of the battery protection plate 20 is small enough to house the battery protection plate 20 of the conductive portion and the electronic component 25, and in addition, the battery protection plate 20 of the structure is not suitable for a battery in which the thickness requirement of the top of the battery is strict.
As an alternative embodiment, as shown in fig. 3, the electronic component 25, the connecting member 30, the first conductive layer 23, the second conductive layer 24, the first conductive sheet 21 and the second conductive sheet 22 are all disposed on the first side surface, so that the connecting member 30 and the two conductive sheets are disposed on the same side surface of the battery protection plate 20, and the thickness of the battery protection plate 20 can be prevented from being increased by the connecting member 30, thereby being beneficial to reducing the space volume of the battery protection plate 20 and further improving the capacity of the battery. In this case, the second conductive layer 24 and the second conductive sheet 22 are located on the same side in the thickness direction of the battery protection plate 20, and the second conductive layer 24 and the second conductive sheet 22 may be connected by welding or heat fusion. As an alternative embodiment, the second conductive layer 24 and the second conductive sheet 22 may be connected in a separate or integral manner. And, the first conductive sheet 21 is disposed between the first conductive layer 23 and the second conductive layer 24, and the electronic component 25 is disposed between the first conductive layer 23 and the first conductive sheet 21, thereby making the arrangement of the respective components more reasonable and compact.
As an alternative embodiment, the connection portion 32 is protruded at the two connection ends 31, and the connection portion 32 may be a stepped protrusion, specifically, the connection portion 32 includes a first connection portion and a second connection portion that are connected, where the first connection portion and the second connection portion form the stepped connection portion 32, the first connection portion is an area where the connection portion 32 is opposite to the electronic component 25, that is, the electronic component 25 is located between the battery protection plate 20 and the first connection portion, and the second connection portion is an area where the connection portion 32 is opposite to the first conductive member 21, that is, the first conductive sheet 21 is located between the battery protection plate 20 and the second connection portion, and the thickness of the first connection portion protrusion is greater than the thickness of the second connection portion protrusion, so that a space between the first connection portion and the battery protection plate 20 is greater than a space between the second connection portion and the battery protection plate 20. Thereby, avoiding spaces with different sizes are formed between the connection portion 32 and the battery protection plate 20 and between the connection portion 32 and the first conductive sheet 21, which is not only beneficial to reducing the space volume of the battery protection plate, but also beneficial to avoiding the risk of short circuit caused by contact between the electronic component 25 and the connection portion 32 and between the first conductive sheet 21 and the connection portion 32.
In order to further avoid the risk of short circuit caused by contact between the electronic component 25 and the connection portion 32 and contact between the first conductive sheet 21 and the connection portion 32, in this embodiment, the surface of the connection portion 32, which is close to the electronic component 25 and the first conductive sheet 21, may be covered with an insulating layer, or the surface of the connection portion 32 may be covered with an insulating layer, or the surface of the electronic component 25 may be covered with an insulating layer.
The battery protection plate 20 having the structure shown in fig. 3 is suitable for a battery protection plate 20 having a large space on the first side surface (i.e., the side surface on which the conductive member is provided) of the battery protection plate 20 enough to house the conductive portion and the electronic component 25, and in addition, the battery protection plate 20 having such a structure is suitable for a battery having strict requirements on the thickness of the top of the battery.
As an alternative embodiment, as shown in fig. 4, the electronic component 25, the connecting piece 30 and the first conductive layer 23 are disposed on the second side surface, and the first conductive sheet 21, the second conductive sheet 22 and the second conductive layer 24 are disposed on the first side surface, so that the short circuit caused by the contact between the connecting piece 30 and the tab 13 or the cell 10 can be avoided. In this case, the second conductive layer 24 and the second conductive sheet 22 are located at the same side in the thickness direction of the battery protection plate 30, and the second conductive layer 24 and the second conductive sheet 22 may be connected by welding or heat fusion, and the respective positions of the connection portions 32 are equally spaced from the battery protection plate 20. In addition, in order to facilitate the connection of the connection end 31 of the connection member 30 with the second conductive layer 24, one connection end 31 of the connection member 30 may be bent from the second side surface to the first side surface, so that the connection end 31 is easily welded to the second conductive layer 24.
Of course, in this embodiment, the first conductive layer 23 may be disposed on the first side surface, the second conductive layer 24 may be disposed on the second side surface, the first conductive layer 23 and the first conductive sheet 21 are located on the same side of the battery protection plate 30 in the thickness direction, and the first conductive layer 23 and the first conductive sheet 21 may be connected by welding or hot melting, and one connection end 31 of the connection member 30 may be bent from the second side surface to the first side surface, so that the connection end 31 and the first conductive layer 23 are welded and connected.
In this embodiment, the first conductive layer 23 and the second conductive layer 24 may be disposed on the first side surface, the first conductive layer 23, the first conductive sheet 21, the second conductive layer 24 and the second conductive sheet 22 are disposed on the same side of the thickness direction of the battery protection board 30, and the first conductive layer 23 and the first conductive sheet 21 may be connected by welding or hot melting, the second conductive layer 24 and the second conductive sheet 22 are connected, and the two connection ends 31 of the connection member 30 are bent from the second side surface to the first side surface, so that the two connection ends 31 are respectively welded with the first conductive layer 23 and the second conductive layer 24.
On the basis of the above embodiment, the edge of the battery protection plate 20 is provided with the first notch 26, the bent portion of the connection end 31 may be accommodated in the first notch 26, the number of the first notch 26 is one or two, and the number of the first notch 26 is determined according to the number of the connection ends 31 bent from the second side surface to the first side surface. Therefore, the first notch 26 on the battery protection plate 20 can provide a bending space for the connection end 31, so as to avoid increasing the space volume of the battery protection plate 20 when the connection end 31 is bent from the second side surface to the first side surface.
In this embodiment, the width of the first notch 26 is greater than the width of the bending portion of the connecting end 31, and the depth of the first notch 26 is greater than or equal to the thickness of the bending portion of the connecting end 31, wherein the depth of the first notch 26 refers to the dimension of the first notch 26 along the length direction of the battery protection plate 20. As an alternative embodiment, the width of the first notch 26 is L1, the depth of the first notch 26 is W, the width of the bending part of the connecting end 31 is L2, and the thickness of the bending part of the connecting end 31 is T, then L1 is greater than or equal to L2+0.5mm, and W is greater than or equal to T, so that the bending part of the connecting end 31 can be accommodated in the first notch 26, the deviation of the bending part of the connecting end 31 is met, and the connecting end 31 is prevented from protruding out of the edge of the battery protection plate 20.
The battery protection plate 20 of the structure shown in fig. 4 is suitable for a battery protection plate 20 having a small space on a first side surface (i.e., a side surface where the conductive members are disposed) of the battery protection plate 20, and is insufficient for placing the battery protection plate 20 of two conductive parts, and in addition, the battery protection plate 20 of the structure has a wide width such that the edge of the battery protection plate 20 may be provided with the first notch 26.
In this embodiment, the connecting member 30 may have a rectangular sheet structure, as shown in fig. 1; the connector 30 may also be in a convex sheet-like configuration, as shown in fig. 2 and 4; the connecting member 30 may also have a stepped raised sheet structure as shown in fig. 3; the connector 30 may also be provided in a U-shaped sheet like configuration as shown in fig. 5-7. Wherein, the rectangular sheet structure means that the two connecting ends 31 and the connecting part 32 are in the same plane; the convex sheet structure refers to that the plane where the two connection ends 31 are located is parallel to the plane where the connection parts 32 are located, but the plane where the connection parts 32 are located protrudes from the plane where the connection ends 31 are located; the step-type raised sheet structure refers to that the plane where the two connecting ends 31 are located is parallel to the plane where the connecting parts 32 are located, but the plane where the connecting parts 32 are located protrudes from the plane where the connecting ends 31 are located, and the connecting parts 32 are distributed in a step manner; the U-shaped sheet structure means that the two connection ends 31 and the connection portion 32 form a U-shape. If the structure of the connection member 30 is as shown in fig. 1 to 4, the projection of the connection member 30 in the thickness direction of the battery protection plate 20 may be located within the battery protection plate 20, whereby it is possible to avoid the oversized connection member 30 from affecting the space volume of the battery protection plate 20.
As an alternative embodiment, as shown in fig. 5, the first conductive layer 23, the second conductive layer 24, the first conductive sheet 21 and the second conductive sheet 22 are all disposed on the same side in the thickness direction of the battery protection plate 30, the electronic component 25 may also be disposed on the same side in the thickness direction of the battery protection plate 30 as the first conductive sheet 21 and the second conductive sheet 22 (the electronic component 25 is not shown in fig. 5), the connecting member 30 is configured as a U-shaped connecting member, and the connecting member 30 having a U-shape extends in a direction away from the top edge seal 12, so that, when the two conductive members are welded to the tab, the U-shaped connecting member 30 can avoid contact with the first conductive sheet 21 and the second conductive sheet 22 when bending is performed, thereby avoiding the risk of short circuit between the connecting member 30 and the first conductive sheet 21 and the second conductive sheet 22.
When the U-shaped connecting piece is adopted, the connecting piece 30 is a flexible connecting piece, and part of the connecting piece 30 is bent to be connected with the battery cell 10. The connector 30 is made of a flexible material to facilitate bending. As an alternative embodiment, the bent portion may be a connection portion 32, and the connection portion 32 is bent and connected with the battery cell 10 to fix the connection member 30.
In the process of manufacturing the battery, it is generally necessary to perform a packaging process, and a deep pit surface (i.e., a first pit surface) and a shallow pit surface (i.e., a second pit surface) are formed on the top seal edge 12 of the battery cell 10, where the deep pit surface and the shallow pit surface are located on opposite sides of the top seal edge in the thickness direction of the battery cell 10.
As shown in connection with fig. 6 and 7, at least a portion of the connecting portion 32 is bent toward the top seal edge 12, and specifically, at least a portion of the connecting portion 32 is bent and enters the deep pothole or, a portion of the connecting portion 32 is bent and enters the shallow pothole. From this, on the one hand can avoid the oversized of connecting piece 30, influence battery protection board 20's space volume, on the other hand can be convenient for connecting piece 30 connect the electric core, realize connecting piece 30's fixed, promote connecting piece 30 and electric core 10's connection stability.
As shown in fig. 6, the edge of the battery protection board 20 may further be provided with a second notch 28, and the bent portion of the connection portion 32 may be accommodated in the second notch 28, so that the second notch 28 on the battery protection board 20 may provide a bending space for the connection portion 32, thereby avoiding increasing the space volume of the battery protection board 20 when the connection portion 32 is bent. As an alternative embodiment, two second notches 28 are formed on the battery protection plate 20, the two second notches 28 are arranged along the width direction of the battery, the connecting piece 30, the first conductive layer 23 and the second conductive layer 24 are all arranged on one side surface of the battery protection plate 20, which is close to the shallow pit surface, the connecting piece 30 is bent into the deep pit surface, and at this time, two bending positions of the connecting portion 32 are respectively accommodated in the second notches 28.
In this embodiment, the width of the second notch 28 is greater than the width of the bending portion of the connecting portion 32, and the depth of the second notch 28 is greater than or equal to the thickness of the bending portion of the connecting portion 32, wherein the depth of the second notch 28 refers to the dimension of the second notch 28 along the length direction of the battery protection plate 20. As an alternative embodiment, the width of the second notch 28 is L3, the depth of the second notch 28 is W1, the width of the bending part of the connecting part 32 is L4, and the thickness of the bending part of the connecting part 32 is T1, then L3 is greater than or equal to L4+0.5mm, and W1 is greater than or equal to T1, thereby, the bending part of the connecting part 32 can be accommodated in the second notch 28, the deviation of the bending part of the connecting part 32 is satisfied, and the connecting part 32 is prevented from protruding out of the edge of the battery protection plate 20.
The battery protection plate 20 of the structure shown in fig. 5 to 7 is suitable for a battery having a strict requirement for the thickness of the top of the battery, and the thickness of the top of the battery can be reduced by the pits.
In this embodiment, the connecting portion 32 may be fixedly connected to the top edge seal 12 of the battery cell 10 by double faced adhesive tape, gummed paper or glue. Specifically, the connecting portion 32 may be fixedly connected with the top edge 12 of the battery cell 10 through a double sided adhesive tape, may also be fixedly connected with the top edge 12 of the battery cell 10 through a piece of gummed paper, and may also be fixedly connected with the top edge 12 of the battery cell 10 through a piece of gummed water so as to connect the battery cell 10, so as to realize the fixation of the connecting piece 30, and may promote the connection stability of the connecting piece 30 and the battery cell 10.
In this embodiment, the double-sided tape, the gummed paper or the glue may be set as the insulating glue, or the insulating layer may be covered on the connection portion 32, so that the connection portion 32 and the tab 13 or the battery cell 10 or the electronic component 25 may be directly connected to avoid short circuit while the connection member 30 is fixed.
As shown in fig. 1 to 7, the battery protection plate 20 of the present embodiment further includes connectors 27, at least two connectors 27 are provided at both ends of the battery protection plate 20, respectively, and the connectors 27 are used for electrically connecting with an external device to be supplied with power. As an alternative embodiment, two connectors 27 are disposed on the battery protection board 20, and the two connectors 27 are disposed at two ends of the battery protection board 20, respectively, and the two connectors 27 may be connected to a first connection loop and a second connection loop, respectively, so as to electrically conduct the current in the battery cell 10 with an external device to be powered through the first connection loop and the second connection loop.
The embodiment also provides an electronic device, which comprises the battery in any of the embodiments.
The electronic device of the present application is not particularly limited, and may be any electronic device known in the art. In some alternative embodiments, the electronic device may be a mobile phone, a notebook computer, a tablet computer, a wearable device, a game console, or the like.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the invention.
Claims (20)
1. A battery is characterized by comprising a battery core, a battery protection plate and a connecting piece;
the battery cell comprises a first tab and a second tab with opposite polarities;
the battery protection plate is provided with a conductive part, a first circuit and a second circuit, the conductive part comprises a first conductive part and a second conductive part, the first conductive part is connected with the first tab, the second conductive part is connected with the second tab, one end of the connecting piece is connected with the first conductive part, the other end of the connecting piece is connected with the second conductive part, and the second tab is connected with the first circuit, the first conductive part and the first tab through the second conductive part and the connecting piece to form a first connecting loop; the second lug and the first lug are connected through the first conductive part, the second conductive part and the second circuit to form a second connection loop.
2. The battery of claim 1, wherein the first conductive portion comprises a first conductive tab and a first conductive layer, the first conductive tab and the first conductive layer being electrically connected, the first tab being electrically connected by the first conductive tab and the first conductive layer;
and/or, the second conductive part comprises a second conductive sheet and a second conductive layer, the second conductive sheet is electrically connected with the second conductive layer, and the second lug is electrically connected with the second conductive layer through the second conductive sheet.
3. The battery of claim 2, wherein the first conductive sheet and the first conductive layer are connected by welding or hot melt;
and/or the second conductive sheet and the second conductive layer are connected by welding or hot melting.
4. The battery of claim 2, wherein the circuit board further comprises a third circuit and a fourth circuit, the first conductive sheet and the first conductive layer being connected by the third circuit;
and/or the second conductive sheet and the second conductive layer are connected through the fourth circuit.
5. The battery of claim 2, wherein the second tab is connected by the second conductive sheet, the second conductive layer, the connector, the first conductive layer, the first circuit, the first conductive sheet, and the first tab to form a first connection loop;
The second lug is connected with the first lug through the first conducting strip, the second circuit, the second conducting strip and the first lug to form a second connection loop.
6. The battery of claim 2, wherein the connector comprises a first connector, a second connector, and a connecting portion, the first connector and the second connector being connected by the connecting portion, the first conductive layer and the first connector being connected by welding, the second conductive layer and the second connector being connected by welding.
7. The battery according to claim 6, wherein an electronic component is further provided on the battery protection plate, the electronic component is connected to the first circuit and/or the second circuit, the electronic component is provided between the first conductive layer and the second conductive layer, and the electronic component is provided between the battery protection plate and the connection portion, and an insulating layer is provided between the connection portion and the electronic component.
8. The battery according to claim 7, wherein at least part of the connection portion protrudes from the first connection end and the second connection end in a thickness direction of the battery protection plate, and a distance between the protruding portion of the connection portion and the battery protection plate is larger than a thickness of the electronic component protruding from the battery protection plate.
9. The battery according to claim 7, wherein the battery protection plate includes a first side surface and a second side surface that are disposed opposite to each other in a thickness direction, the first conductive sheet and the second conductive sheet are each disposed on the first side surface, the electronic component is disposed on the first side surface, or the electronic component is disposed on the second side surface.
10. The battery according to claim 9, wherein the electronic component and the second conductive layer are both disposed on the second side surface, the second conductive layer and the second conductive sheet are disposed opposite to each other, and the respective positions of the connection portions are spaced apart from the battery protection plate by equal distances.
11. The battery of claim 9, wherein the electronic component and the second conductive layer are both disposed on the first side surface, the second conductive layer is connected to the second conductive sheet, the first conductive sheet is disposed between the first conductive layer and the second conductive layer, and the electronic component is disposed between the first conductive layer and the first conductive sheet.
12. The battery of claim 8, wherein the connection portion includes a first connection portion and a second connection portion, the first connection portion and the second connection portion forming a stepped connection portion, the electronic component being located between the battery protection plate and the first connection portion, the first conductive sheet being located between the battery protection plate and the second connection portion, a spacing between the first connection portion and the battery protection plate being greater than a spacing between the second connection portion and the battery protection plate.
13. The battery according to claim 9, wherein the electronic component is provided on the second side surface, and each position of the connection portion is equidistant from the battery protection plate;
the second conductive part is arranged on the first side surface, the second conductive layer is connected with the second conductive sheet, and the second connecting end is bent to the second conductive layer and is electrically connected with the second conductive layer;
and/or the first conductive part is arranged on the first side surface, the first conductive layer is connected with the first conductive sheet, and the first connecting end is bent to the first conductive layer and is electrically connected with the first conductive layer.
14. The battery according to claim 13, wherein a first notch is formed at an edge of the battery protection plate, and the bent portion of the first connection end and/or the second connection end is accommodated in the first notch.
15. The battery of claim 9, wherein two of said connection ends and said connection portion form a U-shaped connector, said U-shaped connector being a flexible connector.
16. The battery of claim 15, wherein the cell further comprises a top seal, the first tab and the second tab extending from the top seal, the U-shaped connector extending away from the top seal.
17. The battery of claim 16, wherein at least a portion of the connecting portion is bent toward the top sealing edge, a second notch is formed in an edge of the battery protection plate, and bent portions of the connecting portion are respectively accommodated in the two second notches.
18. The battery of claim 17, wherein the connection portion is fixedly connected to the top edge seal of the cell by double sided tape or adhesive tape or glue.
19. The battery according to claim 1, wherein the battery protection plate further comprises at least two connectors, and at least two connectors are respectively disposed at two ends of the battery protection plate in a width direction of the battery protection plate and are respectively electrically connected with the first connection loop and the second connection loop.
20. An electronic device comprising a battery as claimed in any one of claims 1 to 19.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310801477.9A CN116759761A (en) | 2023-07-03 | 2023-07-03 | Battery and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310801477.9A CN116759761A (en) | 2023-07-03 | 2023-07-03 | Battery and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116759761A true CN116759761A (en) | 2023-09-15 |
Family
ID=87960792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310801477.9A Pending CN116759761A (en) | 2023-07-03 | 2023-07-03 | Battery and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116759761A (en) |
-
2023
- 2023-07-03 CN CN202310801477.9A patent/CN116759761A/en active Pending
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