CN211295240U - Battery and electronic device - Google Patents

Abstract

A battery, comprising: the battery cell comprises a battery cell main body, a first tab and a second tab, wherein the battery cell main body comprises a first end and a second end arranged opposite to the first end, the first tab is arranged at the first end, and the second tab is arranged at the second end; the battery further includes: a flexible circuit board; a first output terminal; and a second output terminal; the flexible circuit board is connected with the first lug and the second lug, the first output terminal is arranged on the flexible circuit board and electrically connected with the first lug, and the second output terminal is arranged on the flexible circuit board and electrically connected with the second lug. The battery has simple structure and is easy to assemble. The application also provides an electronic device using the battery.

Description

Batteries and Electronic Devices

technical field

The present application relates to the field of batteries, and in particular, to a battery and an electronic device using the battery.

Background technique

At present, lithium-ion batteries are widely used in portable electronic devices such as mobile phones, digital cameras, and laptop computers due to their high energy density, high cycle life, and no memory effect. Large and medium-sized electric equipment such as tools and energy storage facilities have broad application prospects and become the key to solving global problems such as energy crisis and environmental pollution.

At present, when the battery is connected to the host and other equipment, its output structure is complex, requiring multiple welding and switching, and the assembly is relatively complicated.

Utility model content

In view of the above situation, it is necessary to provide a battery with a simple structure.

It is also necessary to provide an electronic device using the above-mentioned battery.

A battery comprising:

The battery core includes a battery core body, a first tab and a second tab, the battery core body includes a first end and a second end opposite to the first end, and the first tab is arranged on the the first end, the second tab is disposed at the second end;

The battery also includes:

Flexible circuit board;

a first output terminal; and

the second output terminal;

Wherein, the flexible circuit board is connected to the first tab and the second tab, the first output terminal is disposed on the flexible circuit board and is electrically connected to the first tab, the second tab is The output terminal is arranged on the flexible circuit board and is electrically connected to the second tab.

Further, the battery further includes a first conductive sheet, the first conductive sheet is electrically connected to the first tab and the flexible circuit board, and/or the battery further includes a second conductive sheet, the first conductive sheet is Two conductive sheets are electrically connected to the second tab and the flexible circuit board.

Further, the first conductive sheet is welded to the first tab, and/or the second conductive sheet is welded to the second tab.

Further, the first output terminal and the second output terminal are located on the same side of the main body of the battery cell.

Further, the first output terminal and the second output terminal are located at the first end of the cell body, or the first output terminal and the second output terminal are located at the second end of the cell body end.

Further, the cell body further includes a side wall connecting the first end and the second end, and the first output terminal and the second output terminal are located on the side wall of the cell body.

Further, the battery further includes a reinforcing plate, the reinforcing plate is installed on the main body of the battery core, and the reinforcing plate is disposed corresponding to the first output terminal and the second output terminal to support the battery. the first output terminal and the second output terminal.

Further, the flexible circuit board is fixed to the reinforcing plate.

Further, the first output terminal and the second output terminal are golden fingers.

An electronic device including a battery as described above.

The battery of the present application has a simple structure and is easy to assemble. The first output terminal and the second output terminal are arranged on the flexible circuit board, and are electrically connected to the first tab and the first electrode through the flexible circuit board, respectively. The second tab enables the flexible circuit board to realize two functions of switching and output at the same time, and improves the distance between the first output terminal and the first access and between the second output terminal and the first output terminal. The firmness of the electrical connection between the diode ears. Further, the first output terminal and the second output terminal are located on the same side of the main body of the battery cell, so that the battery can output positive and negative electrodes at the same end. Further, a reinforcing plate is arranged corresponding to the first output terminal and the second output terminal, which facilitates the electrical connection between the first output terminal and the second output terminal and other electronic components, and improves the stability of the electrical connection. sex. Further, the flexible circuit board is fixed to the main body of the battery cell, which can further ensure the firmness of the electrical connection between the flexible circuit board and the battery core.

Description of drawings

FIG. 1 is a schematic perspective view of a battery according to an embodiment of the present application.

FIG. 2 is a schematic diagram of another state of the battery according to an embodiment of the present application.

FIG. 3 is a schematic perspective view of a battery according to another embodiment of the present application.

FIG. 4 is a schematic structural diagram of a flexible circuit board provided with output terminals according to an embodiment of the present application.

FIG. 5 is a schematic perspective view of a battery according to an embodiment of the present application.

FIG. 6 is a schematic perspective view of a battery according to another embodiment of the present application.

Description of main component symbols

battery 100

Cell 10

Flexible circuit board 30

First output terminal 41

Second output terminal 45

Cell main body 11

first polar tab 13

second tab 15

first end 111

second end 113

side wall 116

Substrate 31

first conductive line 33

second conductive trace 35

first conductive sheet 51

second conductive sheet 53

Reinforcing plate 60

shell 70

The following specific embodiments will further illustrate the present application in conjunction with the above drawings.

Detailed ways

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. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terms used herein in the specification of the application are for the purpose of describing specific embodiments only, and are not intended to limit the application.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and features in the embodiments may be combined with each other without conflict.

Referring to FIGS. 1 to 6 , the battery 100 includes a battery cell 10 , a flexible circuit board 30 , a first output terminal 41 and a second output terminal 45 . The cell 10 includes a cell body 11 , a first tab 13 and a second tab 15 . The cell body 11 includes a first end 111 and a second end 113 opposite to the first end 111 , the first tab 13 is disposed on the first end 111 , the second tab 15 set at the second end 113 . The flexible circuit board 30 is connected to the first tab 13 and the second tab 15 . The first output terminal 41 is disposed on the flexible circuit board 30 and is electrically connected to the first tab 13 through the flexible circuit board 30 , and the second output terminal 45 is disposed on the flexible circuit board 30 And the second tab 15 is electrically connected through the flexible circuit board 30 .

The first tab 13 is a positive tab, and the second tab 15 is a negative tab. In some embodiments, the first tab 13 can also be a negative tab, and the second tab 15 can also be a positive tab.

The first output terminal 41 and the second output terminal 45 are located on the same side of the cell body 11 .

In this embodiment, please refer to FIG. 5 , the first output terminal 41 and the second output terminal 45 are located at the second end 113 . In some embodiments, the first output terminal 41 and the second output terminal 45 may also be located at the first end 111 . In other embodiments, please refer to FIG. 3 , the cell body 11 further includes a side wall 116 connecting the first end 111 and the second end 113 , the first output terminal 41 and the first output terminal 41 . The two output terminals 45 are located on the side wall 116 of the cell body 11 .

In this embodiment, the first output terminal 41 and the second output terminal 45 are gold fingers.

Please also refer to FIG. 4 , the flexible circuit board 30 includes a substrate 31 and a first conductive circuit 33 and a second conductive circuit 35 disposed on the substrate 31 . The first conductive circuit 33 and the second conductive circuit 35 independent settings are not connected to each other. The first conductive trace 33 is electrically connected to the first tab 13 and the first output terminal 41 , and the second conductive trace 35 is electrically connected to the second tab 15 and the second output terminal 45 .

The battery 100 may further include a first conductive sheet 51 and a second conductive sheet 53, wherein the first conductive sheet 51 is electrically connected to the first tab 13 and the flexible circuit board 30, so that the first conductive sheet 51 is electrically connected to the flexible circuit board 30. A tab 13 is electrically connected to the first conductive circuit 31 ; the second conductive sheet 53 is electrically connected to the second tab 15 and the flexible circuit board 30 , so that the second tab 15 and the flexible circuit board 30 are electrically connected. The second conductive line 33 realizes electrical conduction.

The first conductive sheet 51 and the second conductive sheet 53 are preferably nickel sheets. In some embodiments, the first conductive sheet 51 and the second conductive sheet 53 may also be made of other conductive materials.

In some embodiments, the first conductive sheet 51 is welded to the first tab 13 , and the second conductive sheet 53 is welded to the second tab 15 . The above-mentioned welding may be, but is not limited to, laser welding. In other embodiments, the first conductive sheet 51 and the second conductive sheet 53 may also be electrically connected to the first tab 13 and the second tab 15 by other means, for example, by connector (not shown) to connect. In some embodiments, the first conductive sheet 51 and/or the second conductive sheet 53 may be omitted, and the first tab 13 and the flexible circuit board 30 may be electrically connected directly through connectors, and/ Alternatively, the second tab 15 and the flexible circuit board 30 are electrically connected.

Please refer to FIG. 5 , the battery 100 may further include a reinforcing plate 60 , the reinforcing plate 60 is mounted on the battery cell body 11 and corresponds to the first output terminal 41 and the second output terminal 45 Provided to support the first output terminal 41 and the second output terminal 45 .

In this embodiment, the reinforcing plate 60 is a plastic bracket, the reinforcing plate 60 is installed on the second end 113 of the battery core body 11 , and the flexible circuit board 30 is bonded to the reinforcing plate board 60, and the first output terminal 41 and the second output terminal 45 are disposed corresponding to the reinforcing board 60, so that the first output terminal 41 and the second output terminal 45 can be connected with other electronic components When electrically connected (eg, inserted in the host), the effectiveness of the electrical connection between the first output terminal 41 and the second output terminal 45 and other electronic components is ensured, so as to avoid the first output terminal 41 and the The second output terminal 45 has a problem of poor contact due to stress and deformation.

In some embodiments, the reinforcing plate 60 can also be installed on the first end 111 of the cell main body 11 or the side wall 116 of the cell main body 11 , and it is only necessary to ensure that the reinforcing plate 60 and the The first output terminal 41 and the second output terminal 45 may correspond to each other. In some embodiments, the flexible circuit board 30 can also be fixed to the reinforcing plate 60 by other means, such as being clamped on the reinforcing plate 60 .

In some embodiments, the flexible circuit board 30 can also be bonded to the battery cell body 11 , thereby reducing the volume of the battery 100 and further ensuring the flexible circuit board 30 and the battery cells. The firmness of the electrical connection between 10. In this embodiment, the flexible circuit board 30 is arranged in a straight line along the side wall 116 of the cell body 11 . In some embodiments, please refer to FIG. 6 , the flexible circuit board 30 can also be wound around the side wall 116 of the cell main body 11 .

The battery 100 may further include a casing 70, the battery cell 10 and the flexible circuit board 30 are accommodated in the casing 70, and the first output terminal 41 and the second output terminal 45 are connected from the The casing 70 is exposed for electrical connection with other electronic components. Preferably, the first output terminal 41 and the second output terminal 45 protrude from the casing 70 and are located outside the casing 70 .

The above-mentioned battery 100 is applied to an electronic device (not shown). The electronic device can be, but not limited to, a mobile phone, a computer, an electric toy, and the like.

The battery 100 of the present application has a simple structure and is easy to assemble. The first output terminal 41 and the second output terminal 45 are disposed on the flexible circuit board 30 and are respectively electrically connected to the first output terminal 41 through the flexible circuit board 30 . The tabs 13 and the second tabs 15 enable the flexible circuit board 30 to realize two functions of switching and output at the same time, and improve the distance between the first output terminal 41 and the first access 13 . The firmness of the electrical connection between the second output terminal 45 and the second tab 15 . Further, the first output terminal 41 and the second output terminal 45 are located on the same side of the battery cell body 11 , so that the battery 100 can output positive and negative electrodes at the same end. Further, a reinforcing plate 60 is provided corresponding to the first output terminal 41 and the second output terminal 45 to facilitate the electrical connection between the first output terminal 41 and the second output terminal 45 and other electronic components, and at the same time Improve the stability of the electrical connection. Further, the flexible circuit board 30 is fixed to the battery core body 11 , which can further ensure the firmness of the electrical connection between the flexible circuit board 30 and the battery core 10 .

In addition, for those of ordinary skill in the art, various other corresponding changes and deformations can be made according to the technical concept of the present application, and all these changes and deformations should belong to the protection scope of the claims of the present application.

Claims (10)

1. A battery comprising: The battery core includes a battery core body, a first tab and a second tab, the battery core body includes a first end and a second end opposite to the first end, and the first tab is arranged on the the first end, the second tab is disposed at the second end; It is characterized in that, the battery also includes: Flexible circuit board; a first output terminal; and the second output terminal; Wherein, the flexible circuit board is connected to the first tab and the second tab, the first output terminal is disposed on the flexible circuit board and is electrically connected to the first tab, the second tab is The output terminal is arranged on the flexible circuit board and is electrically connected to the second tab. 2. The battery according to claim 1, wherein the battery further comprises a first conductive sheet, the first conductive sheet is electrically connected to the first tab and the flexible circuit board, and/or the The battery further includes a second conductive sheet that electrically connects the second tab and the flexible circuit board. 3 . The battery of claim 2 , wherein the first conductive sheet is welded to the first tab, and/or the second conductive sheet is welded to the second tab. 4 . 4 . The battery of claim 1 , wherein the first output terminal and the second output terminal are located on the same side of the battery cell body. 5 . 5 . The battery according to claim 4 , wherein the first output terminal and the second output terminal are located at the first end of the battery cell body, or the first output terminal and the first output terminal are located at the first end of the battery cell main body. Two output terminals are located at the second end of the cell body. 6 . The battery of claim 4 , wherein the battery cell body further comprises a side wall connecting the first end and the second end, the first output terminal and the second output terminal. 7 . located on the sidewall of the cell body. 7. The battery according to any one of claims 1 to 6, wherein the battery further comprises a reinforcing plate, the reinforcing plate is mounted on the main body of the battery, and the reinforcing plate corresponds to The first output terminal and the second output terminal are arranged to support the first output terminal and the second output terminal. 8. The battery of claim 7, wherein the flexible circuit board is fixed to the reinforcing plate. 9 . The battery of claim 1 , wherein the first output terminal and the second output terminal are gold fingers. 10 . 10. An electronic device, characterized by comprising the battery according to any one of claims 1-9.

Images