CN112736367A

CN112736367A - Battery and electronic equipment

Info

Publication number: CN112736367A
Application number: CN202011641717.6A
Authority: CN
Inventors: 田进
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-04-30
Anticipated expiration: 2040-12-31
Also published as: CN112736367B

Abstract

The application discloses battery and electronic equipment belongs to the electronic equipment field for solve the poor problem of material commonality. The method comprises the following steps: the battery cell and the connecting piece; the battery cell comprises an active electrode plate and a shell, and the shell is coated on the surface of the active electrode plate; the connecting piece comprises a wire part and a flexible plate part, the flexible plate part is positioned outside the shell, and the wire part extends out of one end of the flexible plate part, extends into the shell and is connected with the active electrode plate; and a male seat is arranged at one end of the soft board part, which is far away from the lead part, and a contact electrode is arranged on the male seat.

Description

Battery and electronic equipment

Technical Field

The application belongs to the field of electronic equipment, and particularly relates to a battery and electronic equipment.

Background

At present, the structure of a battery consists of an electric core and a protective plate, the protective plate is provided with an electronic element for protecting the electric core, the electric core and the protective plate are welded through tabs to realize conduction, and the battery and electronic equipment are connected in a plate-to-plate mode through plates.

However, the arrangement of the protection plate may cause the defects of the battery structure, for example, the positions of the tabs for connecting the battery cells and the positions of the pads on the protection plate must be highly corresponding, so that the battery cells must be provided with the special protection plate, and the material universality is poor.

Disclosure of Invention

The embodiment of the application aims to provide a battery and an electronic device, and the problem of poor material universality can be solved.

In order to solve the technical problem, the embodiment of the present application is implemented by the following aspects:

in a first aspect, an embodiment of the present application provides a battery, including: the battery cell and the connecting piece; the battery cell comprises an active electrode plate and a shell, and the shell is coated on the surface of the active electrode plate; the connecting piece comprises a wire part and a flexible plate part, the flexible plate part is positioned outside the shell, and the wire part extends out of one end of the flexible plate part, extends into the shell and is connected with the active electrode plate; and a male seat is arranged at one end of the soft board part, which is far away from the lead part, and a contact electrode is arranged on the male seat.

In a second aspect, an embodiment of the present application provides an electronic device, including a circuit board and the battery described above; the circuit board is provided with a female seat and a protection element for protecting the battery, and the female seat is matched with the male seat.

In this application embodiment, through the mode of being connected and replacing utmost point ear to active electrode slice in the electric core with the wire portion, and then need not to set up the protection shield on the electric core again, the problem that the pad height on utmost point ear and the protection shield corresponds also does not just exist, and then also does not have the problem that an electric core must join in marriage a protection shield, also can not have the problem that arouses the protection shield material dull because the commonality of protection shield is relatively poor, has also simplified the production process of battery simultaneously, the cost is reduced. Therefore, the battery provided by the embodiment of the application can solve the problem of poor material universality.

Drawings

Fig. 1 is a schematic structural diagram of a battery provided in an embodiment of the present application;

fig. 2 is a schematic view showing a structure of a battery in which a tab is coupled to a protection plate;

fig. 3 is a schematic view illustrating a partial structure of a battery provided in an embodiment of the present application;

fig. 4 is a schematic view illustrating another structure of a battery provided in an embodiment of the present application;

fig. 5 is a schematic view illustrating a partial structure of a battery provided in an embodiment of the present application;

6a-6e show another schematic structural diagram of a battery provided by the embodiment of the application;

fig. 7 shows a hardware structure diagram of an electronic device provided in an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein.

A battery provided in the embodiments of the present application is described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

Fig. 1 shows a schematic structural diagram of a battery provided in an embodiment of the present application, and as shown in fig. 1, the battery may include: a cell 110 and a connector 120.

In the embodiment of the present application, the battery cell 110 is an electric storage portion in a battery, and is used for providing electric energy for an electronic device to ensure that the electronic device can operate normally, where the battery cell 110 may include an active electrode sheet 111 and a casing, the active electrode sheet 111 is made of a conductor, for example, a conductive metal such as a copper sheet, and is used to transmit electric energy generated inside the battery cell 110 to the electronic device through the active electrode sheet 111, and the casing may include a material such as an aluminum casing, for example, a lithium ion battery generally uses an aluminum casing to package the battery cell 110, because the aluminum casing has advantages of light weight, high safety performance, and the like.

Because the housing is coated on the surface of the active electrode plate 111, that is, the housing is in direct contact with the active electrode plate 111, in order to prevent the current in the battery cell from flowing into the housing through the active electrode plate 111, the housing may further include an insulating sheet for blocking the conduction of the circuit between the active electrode plate 111 and the housing.

The connecting member 120 is used for connecting the electronic device and the battery cell, specifically, the connecting member 120 may include a wire portion 121 and a flexible board portion 122, wherein one end of the flexible board portion 122 is provided with a male seat 123, the male seat is provided with a contact electrode 1231, the contact electrode 1231 is connected with the electronic device, the other end of the flexible board portion 122 or the wire portion 121 is provided, the wire portion 121 extends out from the end and extends into the housing, and is connected with the active electrode sheet 111, through this connection mode, the circuit inside between the battery and the electronic device can be conducted, and further the electronic device is charged, and meanwhile, the flexible board portion 122 is flexible due to the material of itself, when the battery is installed in the electronic device, according to a specific installation environment, the specific position of the battery in the electronic device is adaptively adjusted, and the battery can be more stable.

In order to compare with the battery provided in the embodiment of the present application, fig. 2 shows a schematic structural diagram of a battery with a tab connection protection plate as a comparative example, as shown in fig. 2, a protection plate 20 is provided in the battery, and the position of a pad 21 of the protection plate 20 must correspond to the position heights of a negative tab 11 and a positive tab 12 of a battery cell 110, so that the connection between a tab 124 on the battery cell 110 and the pad 21 can be protected stably. In the battery with the structure of the tab connection protection plate 20 shown in fig. 2, because the requirement that the position of the pad 21 of the battery protection plate 20 must correspond to the position height of the negative tab 11 and the positive tab 12 of the battery cell 110 is to be met, when a manufacturer producing the battery installs the tabs in the battery cell 110, due to mechanical or manual errors, there is an error in the installation position of the tab 124 in a batch of battery cells, so that the position of the pad 21 cannot correspond to the position of the tab 124, and a battery cell 110 must be provided with a protection plate 20, and further, the protection plate 20 is slow due to poor universality of the protection plate 20.

In the embodiment of the application, the active electrode plate 111 in the battery cell 110 is connected with the lead portion 121 to replace the tab 124, and therefore the protection plate 20 does not need to be arranged on the battery cell 110, and the problem that the tab 124 corresponds to the height of the bonding pad 21 on the protection plate 20 does not exist, and further the problem that the battery cell 110 must be provided with the protection plate 20 does not exist, the problem that the protection plate 20 is stiff due to poor universality of the protection plate 20 does not exist, meanwhile, the production process of the battery is simplified, and the cost is reduced. Therefore, the battery provided by the embodiment of the application can solve the problem of poor material universality.

Further, as shown in fig. 2, a part of the structure of the protection plate 20 is located on the battery cell 110, and meanwhile, the protection plate 20 occupies a part of the space in the length direction of the battery, specifically, the length of the battery cell 110 is h1, the length of the battery (including the protection plate 20) is h2, the region of the protection plate 20 beyond the battery cell 10 is h3, h2 is h1+ h3, and in the actual production process of the battery, the size of the battery is fixed, therefore, the space of the protection plate 20 in the length direction of the battery may affect the length of the battery cell 110 in the length direction of the battery, when the length of the protection plate 20 is too long, the length of the battery cell 110 may be reduced, and then the volume of the battery cell 110 may also be reduced, so that the capacity of the battery may be reduced, and the same electric energy may not be provided for the.

In the battery provided in the embodiment of the present application shown in fig. 1, by omitting the tab 124 and further omitting the protection plate 20, the problem that the protection plate 20 mentioned in the comparative example of fig. 2 occupies a space in the length direction of the battery, so that the length of the battery cell 110 is reduced, and the volume of the battery cell 110 is reduced, thereby reducing the battery capacity.

Further, as shown in fig. 2, the battery cell 110 has the following 5 dimensions in the width direction, i.e., a negative electrode edge distance D1, a width D2 of the negative electrode tab 11, an inner side distance D3 of the tab, a width D4 of the positive electrode tab 12, and a positive electrode edge distance D5. Each dimension in the width direction of the battery cell 110 is subject to the manufacturing capability of the industry, and the battery cell 110 narrower than (D1+ D2+ D3+ D4+ D5) cannot be produced, resulting in the electronic equipment not being charged with higher power.

In contrast, in the battery provided in the embodiment of the present application shown in fig. 1, by omitting the tab 124 and further omitting the protective plate 20, the battery provided in the embodiment of the present application does not need to consider the problem of each dimension in the width direction of the battery cell 110 in the comparative example, and thus a narrower battery cell 110 can be produced, and the electronic device can be charged with higher power.

In one possible implementation manner, the active electrode sheet 111 includes a positive electrode sheet and a negative electrode sheet, and the wire portion 121 includes a first wire and a second wire, where the first wire is connected to the positive electrode sheet, and the second wire is connected to the negative electrode sheet, and the connection between the battery cell 110 and the connecting member 120 can be implemented by this connection manner, so as to provide a conduction basis for the conduction between the battery and the electronic device.

Fig. 3 is a partial structural view of a battery provided in an embodiment of the present application, and as shown in fig. 3, the active electrode tab 111 may include a conductive substrate 113 and an active coating 112, the active coating 112 is coated on a first surface of the conductive substrate 113, and the lead portion is connected to a second surface of the conductive substrate 113, where the first surface and the second surface are adjacent.

In one possible implementation manner, the wire portion 121 includes a plurality of wires, for example, the number of the wires may be 2 to 999 strands, a plurality of welding points are distributed at intervals on the second surface of the conductive substrate 113, the plurality of wires and the plurality of welding points are welded in a one-to-one correspondence, and the plurality of welding points are distributed at equal intervals on the second surface of the conductive substrate 113. Make the wire all with be connected to each position of the second surface of electrically conductive substrate 113 through this kind of welding mode, and then play the effect of reposition of redundant personnel, wherein, the quantity of wire is more, the reposition of redundant personnel effect is better, the impedance of electric core just is less, therefore, compare in the scheme of connecting the battery of protection shield 20 structure through utmost point ear 124, the wire has the cross section little, reposition of redundant personnel advantage such as effectual, make the battery more stable for electronic equipment's in-process charges, the utilization ratio of battery electric energy also can improve simultaneously, make electronic equipment's live time longer.

In a further technical solution, the conductive substrate 113 may be made of a metal conductive material such as copper foil or aluminum foil, which facilitates the wires to be welded on the copper foil or aluminum foil, for example, a plurality of wires of the wire portion may be welded on the conductive substrate 113 in a spot welding manner, and the position of each wire may be adjusted according to the requirements of design and process, which has the advantages of flexible welding position, etc.

In addition, the wires are soldered to the conductive substrate 113, so that the space of the active coating 112 inside the battery cell 110 is not occupied, and the capacity of the battery cell 110 is not lost.

In a possible implementation manner, the lead portion 121 includes a conductive inner core and an insulating layer, the insulating layer is coated on the conductive inner core, wherein the conductive inner core is connected to the active electrode sheet 111 and is used for conducting the battery cell 110 and the electronic device, the conductive inner core may be a conductive metal such as copper, and the insulating layer is used for blocking the conductive inner core from directly contacting with other portions of the battery, so as to prevent the battery from leaking electricity during use.

Meanwhile, the insulating layer is connected with the shell through the sealant 310, and the sealing mode can prevent dust, water vapor and the like in the air from entering the electric core 110 to cause short circuit or open circuit in the electric core 110, so that the electronic equipment cannot normally work.

Optionally, the inner core of the lead can be made of low-resistance metal, which is beneficial to quick charging.

Alternatively, the shape of the wire may be any shape, such as: circular, rectangle, triangle-shaped, polygon etc. are specific, can choose different wire forms for use according to the shape of the actual cross section of conductive substrate 113, can make full use of conductive substrate 113's cross-sectional area through this kind of mode for the quantity that the wire is connected on conductive substrate 113 is more, and then makes electric core 110's reposition of redundant personnel effect better.

In a further technical scheme, besides a lead, a signal acquisition line is further disposed inside the connecting member 120, and a terminal of the signal acquisition line is connected to the electronic device and is used for acquiring temperature and voltage information inside the electric core 110 and transmitting the acquired signals to the electronic device through a male socket 123 at the terminal of the connecting member 120, so that the battery provided in the embodiment of the present invention can acquire temperature and voltage information inside the electric core 110.

Optionally, as shown in fig. 4, a schematic structural diagram of the battery provided in the embodiment of the present application, the flexible board portion may be used to encapsulate the battery cell 110, so as to avoid direct contact between the battery cell 110 and an external environment of the battery.

In a further technical solution, a sealant 310 may be added to the flexible board portion 122 to implement encapsulation, and a packaging film 320 is disposed outside the battery cell 110 to protect the battery cell.

Alternatively, as shown in fig. 5, the connection member 120 may include: the flexible plate portion 122, the lead portion 121 and the tab 124 are used for hollowing the inside of the tab 124, so that the lead passes through the inside of the hollowed tab 124, one end of the lead is connected with the flexible plate portion, the other end of the lead is connected with the active electrode plate 111, and the inside conduction of the battery is realized.

In a possible implementation manner, the number of the connectors 120 is plural, the connectors 120 may be disposed on different sides of the battery, that is, the battery has a plurality of active electrode plates 111, and meanwhile, the active electrode plates 111 are disposed at different positions of the battery core 110, each connector 120 is provided with a male seat 123, each active electrode plate 111 may be connected to the electronic device through the male seat 123, and the connectors 120 are disposed in different directions, so that the electronic device may receive the current transmitted by different portions of the battery at the same time, and the battery may rapidly charge the electronic device.

Optionally, as shown in fig. 6a, one connecting piece 120 may be respectively led out from the upper portion and the lower portion of the electrical core 110 in the length direction, and the connecting piece 120 on the electrical core 110 is directly connected to the charging port of the electronic device, so that the overall length of the connecting piece 120 is shortened, and further, the impedance of the charging system can be reduced, thereby reducing the temperature rise in the charging process of the electronic device, and improving the user experience. Meanwhile, in this case, the connecting member 120 does not pass through the surface of the battery cell 110, and thus, the space in the thickness direction of the electronic device is not occupied, and the appearance and the volume of the electronic device are not affected.

Optionally, as shown in fig. 6b, two or more connecting pieces 120 may be led out from the same side of the battery cell 110, and the two or more connecting pieces 120 led out from the same side of the battery cell 110 are directly connected to a charging port of the electronic device, so that a charging scheme in which the charging port is located on the same side of the battery can be implemented.

Optionally, as shown in fig. 6c and 6d, two or more than two connecting pieces 120 may be led out from the left side or the right side of the battery cell 110, and the two or more than two connecting pieces 120 led out from the left side or the right side of the battery cell 110 are directly connected with a charging port of the electronic device, so that a charging scheme in which the charging port is located on the left side or the right side of the battery can be implemented.

Optionally, as shown in fig. 6e, one or more connecting pieces 120 may be simultaneously led out from the left side and the right side of the battery cell 110, and the one or more connecting pieces 120 are simultaneously led out from the left side and the right side of the battery cell 110 to be directly connected with a charging port of the electronic device, so that a charging scheme in which the charging port is located on the left side and the right side of the battery can be implemented.

In the embodiment of the present application, an electronic device is further provided, where the electronic device may include a circuit board and all the batteries described above, where the circuit board is provided with a female socket and a protection element for protecting the batteries, the female socket on the circuit board is matched with the male socket 123 on the connector, and when the male socket 123 is connected with the female socket, a function of charging the electronic device with the batteries may be implemented.

In a further technical scheme, when the different sides of battery are provided with a plurality of connecting pieces 120, correspondingly, all be equipped with public seat 123 assorted female seat in the different positions of circuit board, and then make things convenient for the battery to fill fast electronic equipment.

Fig. 7 is a schematic diagram of a hardware structure of an electronic device implementing an embodiment of the present application.

The electronic device 700 includes, but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, and a processor 710.

Those skilled in the art will appreciate that the electronic device 700 may also include a power source (e.g., a battery) for powering the various components, wherein the battery may be the battery described above with respect to fig. 1, 3-7. To avoid repetition, further description is omitted here. The power supply may be logically coupled to the processor 710 via a power management system, such that the power management system may manage charging, discharging, and power consumption. The electronic device structures shown in the figures do not constitute limitations of the electronic device, and the electronic device may include more or less components than those shown, or combine some components, or arrange different components, and thus, the description is not repeated here.

It should be understood that in the embodiment of the present application, the input Unit 704 may include a Graphics Processing Unit (GPU) 7041 and a microphone 7042, and the Graphics Processing Unit 7041 processes image data of still pictures or videos obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The display unit 706 may include a display panel 7061, and the display panel 7061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 707 includes a touch panel 7071 and other input devices 7072. The touch panel 7071 is also referred to as a touch screen. The touch panel 7071 may include two parts of a touch detection device and a touch controller. Other input devices 7072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.

In the embodiment of the present application, the rf unit 701 sends information from the inside of the electrical core 110 to the processor 710 for processing. In general, radio frequency unit 1001 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.

The memory 709 may be used to store software programs or instructions as well as various data. The memory 709 may mainly include a storage program or instruction area and a storage data area, wherein the storage program or instruction area may store an operating system, an application program or instruction (such as a sound playing function, an image playing function, etc.) required by at least one function, and the like. In addition, the Memory 709 may include a high-speed random access Memory and a nonvolatile Memory, where the nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.

Processor 710 may include one or more processing units; alternatively, processor 710 may integrate an application processor that handles primarily the operating system, user interface, and application programs or instructions, etc. and a modem processor that handles primarily wireless communications, such as a baseband processor. It will be appreciated that the modem processor described above may not be integrated into processor 710. While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A battery, comprising:

the battery cell and the connecting piece;

the battery cell comprises an active electrode plate and a shell, and the shell is coated on the surface of the active electrode plate; the connecting piece comprises a wire part and a flexible plate part, the flexible plate part is positioned outside the shell, and the wire part extends out of one end of the flexible plate part, extends into the shell and is connected with the active electrode plate; and a male seat is arranged at one end of the soft board part, which is far away from the lead part, and a contact electrode is arranged on the male seat.

2. The battery of claim 1, wherein the active electrode sheet comprises a positive electrode sheet and a negative electrode sheet, and the wire portion comprises a first wire and a second wire;

the first lead is connected with the positive pole piece, and the second lead is connected with the negative pole piece.

3. The battery of claim 1, wherein the active electrode sheet comprises a conductive substrate and an active coating applied to a first surface of the conductive substrate, the lead portion being connected to a second surface of the conductive substrate, the first and second surfaces being adjacent.

4. The battery of claim 3, wherein the lead portion comprises a plurality of leads, a plurality of solder joints are spaced apart from one another on the second surface of the conductive substrate, and the plurality of leads and the plurality of solder joints are soldered in a one-to-one correspondence.

5. The battery of claim 4, wherein the plurality of solder bumps are equally spaced on the second surface of the conductive substrate.

6. The battery of claim 3, wherein the conductive substrate is a copper foil or an aluminum foil.

7. The battery of claim 1, wherein the lead portion comprises a conductive core and an insulating layer, the insulating layer is coated on the conductive core, the conductive core is connected with the active electrode plate, and the insulating layer is connected with the outer shell through a sealant.

8. The battery according to claim 1, wherein the number of the connecting members is plural.

9. The battery of claim 8, wherein the plurality of connectors are disposed on different sides of the battery.

10. An electronic device comprising a circuit board and a battery as claimed in any one or more of claims 1-9;

the circuit board is provided with a female seat and a protection element for protecting the battery, and the female seat is matched with the male seat.