CN218769976U - Battery and electronic equipment - Google Patents

Abstract

The application discloses battery and electronic equipment, the battery includes electric core, circuit board and electrically conductive, electric core includes body and utmost point post, utmost point post is installed in the body, the circuit board includes the curb plate face and is used for setting up the mainboard face of components and parts, the curb plate face sets up with mainboard face is adjacent, the one side of installing utmost point post with the body is first terminal surface, the direction that uses utmost point post protrusion first terminal surface is the first direction, electrically conductive including first conductive part and the second conductive part that forms along the extension of first direction from first conductive part, the setting is buckled for first conductive part to the second conductive part, first conductive part is connected with utmost point post, the second conductive part is connected with the mainboard face. Therefore, the circuit board is vertically placed relative to the first end face, the thickness direction of the circuit board is parallel to the thickness direction of the battery core, occupied space of the circuit board in the thickness direction of the battery core is favorably reduced, the thickness of one side, provided with the pole, of the battery is reduced, and the energy density of the battery is improved.

Description

Battery and electronic equipment

Technical Field

The embodiment of the application relates to the technical field of energy storage, in particular to a battery and electronic equipment.

Background

A battery is a device that converts external energy into electric energy and stores the electric energy in the battery so as to supply power to external devices (such as portable electronic devices) at a desired time. Currently, batteries are widely used in electronic devices such as mobile phones, tablets, and notebook computers. Generally, the battery includes electric core in order to set up in the circuit board of electric core one side surface, and electric core is equipped with the utmost point post of protrusion one side surface, and utmost point post passes through the nickel piece to be connected with the circuit board, and the circuit board is used for controlling charging and discharging of electric core. However, the circuit board is usually disposed in parallel with respect to a side surface of the battery cell, and the thickness direction of the circuit board is perpendicular to the surface of the battery cell where the terminal is disposed, so that the disposing manner occupies too much space of the battery, which is not beneficial to improving the energy density of the battery.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, embodiments of the present application provide a battery and an electronic device capable of improving energy density.

The embodiment of the application adopts the following technical scheme for solving the technical problems:

a battery comprises a battery core, a circuit board and a conductive piece, wherein the battery core comprises a body and a pole post, the pole post is installed on the body, the circuit board comprises a side board surface and a main board surface for arranging components, the side board surface is arranged adjacent to the main board surface, the side surface of the body, on which the pole post is installed, is taken as a first end surface, the direction in which the pole post protrudes out of the first end surface is taken as a first direction, and the thickness direction of the battery core is taken as a second direction; the conductive part comprises a first conductive part and a second conductive part formed by extending the first conductive part along the first direction, the second conductive part is bent relative to the first conductive part, the first conductive part is connected with the pole, and the second conductive part is connected with the surface of the main board.

So, the two thickness direction setting along electric core of first face and second face, also the circuit board is for the vertical placement of first terminal surface, and the thickness direction of circuit board is the same with the thickness direction of electric core, is favorable to reducing the shared space of circuit board on the thickness direction of electric core, has reduced the thickness that the battery was equipped with one side of utmost point post, has improved the energy density of battery.

Optionally, the main board surface includes a first board surface and a second board surface, the first board surface and the second board surface are arranged oppositely along the second direction, the battery further includes an output terminal, the output terminal is connected to the first board surface, and the first board surface is used for arranging components and parts. So, when output terminal and first face welding, the space that the first face of pad protrusion occupied can be used for setting up components and parts, compares in components and parts and sets up in the second face, is favorable to reducing the thickness that the battery was equipped with utmost point post one side, has improved the energy density of battery.

Optionally, the output terminal includes a first connection portion, a first middle portion, and a second connection portion connected in sequence, the first connection portion is connected to the first board surface, the second connection portion is disposed on the second board surface, and a portion of the second connection portion extends out of the circuit board along the first direction. So, compare in output terminal lug connection in the second face, the power of dragging that the output terminal's of this application, can reduce first connecting portion and first face junction received reduces the risk that output terminal is broken by the pulling, also is favorable to improving the reliability that output terminal and circuit board are connected simultaneously, has improved the security performance of battery.

Optionally, the second connection portion is used for electrically connecting the electronic device, and along the second direction, the battery core includes a first surface and a second surface that are arranged oppositely, the first surface is connected with a battery compartment of the electronic device, and the second surface is away from the first surface.

Optionally, a notch is formed in a side, away from the first end face, of the circuit board, and the first middle portion extends along the second direction and is located in the notch, so that the influence of the first middle portion on the length of the battery in the first direction is reduced, and the energy density of the battery is improved.

Optionally, the direction perpendicular to the first direction and the second direction simultaneously is a third direction, the pole includes a first pole and a second pole, the first pole and the second pole are arranged at an interval in the third direction, the first direction is observed, the circuit board includes a first end portion close to the first pole and a second end portion close to the second pole, and the first pole and the second pole are located between the first end portion and the second end portion.

Optionally, one side of the circuit board close to the first end surface is provided with a first avoidance groove and a second avoidance groove, the number of the conductive pieces is two, and the two conductive pieces are respectively a first conductive piece and a second conductive piece, a first conductive part of the first conductive piece is connected with the first pole, a first conductive part of the second conductive piece is connected with the second pole, the first conductive part of the first conductive piece is located in the first avoidance groove, and the first conductive part of the second conductive piece is located in the second avoidance groove.

So, compare in the circuit board and not set up the first mode of dodging groove and the second groove of dodging, this application sets up the first groove of dodging and the second groove of dodging, can reduce the circuit board because of the interference of utmost point post occupies the risk in more spaces in the first direction, has reduced the size of battery in the first direction, is favorable to improving the energy density of battery.

Optionally, the direction perpendicular to the first direction and the second direction is a third direction, the pole includes a first pole and a second pole, the first pole and the second pole are arranged at intervals in the third direction, the first direction is observed, the circuit board includes a first end portion close to the first pole and a second end portion close to the second pole, the first pole exceeds the first end portion, and the second pole exceeds the second end portion. So, compare in the mode that first utmost point post and second utmost point post overlap at first direction and circuit board, this kind of mode can reduce the risk that the circuit board took more spaces because of the interference of utmost point post in first direction, has reduced the size of battery in first direction, is favorable to improving the energy density of battery.

Optionally, the battery further comprises a connector, one end of the connector is electrically connected to the circuit board, and the other end of the connector is electrically connected to the body. So, one of them electrode of battery can be regarded as to the body, and utmost point post is as another electrode of battery, can satisfy in the specific installation environment who only provides an utmost point post mounted position, and battery application range is wider.

Optionally, the battery further comprises a first insulating member disposed on the first end face and the pole cylinder face. Therefore, the first insulating part can play a role in insulating and protecting the first end face and the pole face, the risk that burrs on the periphery of the circuit board pierce the first end face is reduced, and meanwhile, the risk that the first conductive part touches the first end face to cause short circuit can also be reduced.

Optionally, the battery further comprises a protective film disposed between the output terminal and the second plate surface. So, the protection film can reduce the two relative movements of second connecting portion and second face and lead to output terminal to appear the risk of wearing and tearing, is favorable to improving the security performance of battery.

Optionally, the battery further includes a second insulating member, the second insulating member is located on one side of the electric core, where the electric core has the terminal, the output terminal portion overlaps with the main board surface, and the second insulating member surrounds the circuit board, the second conductive portion, and the output terminal. Therefore, the circuit board, the second conductive part and part of the output terminals are fixed and insulated, a certain protection effect is achieved, and the reliability of the battery is improved.

Optionally, the body is provided with a protruding portion protruding out of the first end surface, and along the second direction, the protruding portion includes a third surface and a fourth surface that are arranged oppositely, the third surface abuts against the main board surface, and the fourth surface is used for abutting against a battery compartment of the electronic device. Therefore, the extending portion can play a certain supporting role for the circuit board, the risk that the second conductive portion is forced to deform under the action of gravity of the circuit board is reduced, and the reliability of the battery is improved.

Optionally, the battery further comprises a buffer member disposed between the main plate surface and the protruding portion. Therefore, the buffer piece can protect the components arranged on the first board surface and reduce the collision risk between the components on the first board surface and the extending part.

Optionally, the battery further includes a bonding member, one end surface of the bonding member abuts against the protruding portion, and the other end surface of the bonding member is used for abutting against the buffer member. So, can realize with the bolster bonding in with the extension, reduce the risk that the bolster removed at will.

Optionally, along the second direction, the battery cell includes a first surface and a second surface that are arranged oppositely, and the battery further includes a third insulating member, the third insulating member includes a first portion, a first bending portion and a second portion that are connected in sequence, the first portion is connected to the first surface, the second portion is connected to the second surface, and the first bending portion is used for wrapping the conductive member, the circuit board and the pole. So, the third insulating part can have one side of utmost point post to the battery and carry out insulation protection, is favorable to improving the reliability of battery.

Optionally, one side of the circuit board close to the first end face is provided with a third avoiding groove, the body is provided with a liquid injection hole, and the liquid injection hole is located in the third avoiding groove. Compare in the circuit board and not set up the third mode of dodging the groove, the circuit board of this application sets up the third and dodges the groove, can reduce the circuit board because of annotating the interference in liquid hole and occupy the risk in more spaces in the first direction, has reduced the size of battery in the first direction, is favorable to improving the energy density of battery.

Optionally, the battery further comprises an injection molding part, the injection molding part is arranged on the first end face, and the injection molding part coats the conductive piece, the circuit board and the pole. So, the portion of moulding plastics can play certain fixed and insulation protection's effect to electrically conductive piece, circuit board and utmost point post.

Optionally, along the second direction, the first conductive part has a first side end and a second side end that are disposed oppositely, the first side end is connected to the second conductive part, and the second side end is recessed toward a direction close to the first side end and forms an opening, and the opening surrounds the outer periphery of the pole. Compared with the first conductive part without the opening, the opening is arranged, so that the occupation of excessive space of the first conductive part in the second direction can be reduced, and the energy density of the battery is improved.

The embodiment of the application also adopts the following technical scheme for solving the technical problems: an electronic device comprises the battery.

The beneficial effects of the embodiment of the application are that: the battery that this application provided includes electric core, circuit board and electrically conductive, electric core includes body and utmost point post, utmost point post is installed in the body, the circuit board includes the curb plate face and is used for setting up the mainboard face of components and parts, the curb plate face sets up with mainboard face is adjacent, the one side of installing utmost point post with the body is first terminal surface, the direction that uses utmost point post protrusion first terminal surface is the first direction, electrically conductive including first conductive part and the second conductive part that forms along the first direction extension from first conductive part, the setting is buckled for first conductive part to the second conductive part, first conductive part is connected with utmost point post, second conductive part and mainboard face are connected. Therefore, the circuit board is vertically placed relative to the first end face, the thickness direction of the circuit board is parallel to the thickness direction of the battery core, occupied space of the circuit board in the thickness direction of the battery core is favorably reduced, the thickness of one side, provided with the pole, of the battery is reduced, and the energy density of the battery is improved.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings which correspond to and are not to be construed as limiting the embodiments, in which elements having the same reference numeral designations represent like elements throughout, and in which the drawings are not to be construed as limiting in scale unless otherwise specified.

FIG. 1 is a front view of a battery according to one embodiment of the present application;

FIG. 2 is a partial cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of one of the first, second and third insulating members of FIG. 1 with the first, second and third insulating members removed;

FIG. 4 is a schematic view of the first insulator member, the second insulator member, and the third insulator member of FIG. 1 with the first insulator member, the second insulator member, and the third insulator member removed;

FIG. 5 is a schematic view of the first insulator, the second insulator, and the third insulator of FIG. 1, shown with the first insulator, the second insulator, and the third insulator removed

FIG. 6 is a schematic diagram of a battery according to another embodiment of the present application;

FIG. 7 is a partial cross-sectional view of FIG. 6;

FIG. 8 is a block diagram of an electronic device according to another embodiment of the present application;

in the figure: 100. a battery; 110. an electric core; 120. a circuit board; 130. a conductive member; 111. a body; 112. a pole column; 1101. a first end face; 1103. a first surface; 1104. a second surface; 1201. a main board surface; 1202. a side panel surface; 12011. a first board surface; 12012. a second board surface; 131. a first conductive portion; 132. a second conductive portion; 1311. a second side end; 1312. an opening; 140. an output terminal; 141. a first connection portion; 142. a first intermediate portion; 143. a second connecting portion; 121. a recess; 150. a protective film; 112a and a pole face; 160. a first insulating member; 1111. a protruding portion; 1111a, a third surface; 1111b, a fourth surface; 170. a buffer member; 180. a bonding member; 1121. a first pole column; 1122. a second pole; 123. a first end portion 1; 124. a second end portion; 125. a first avoidance slot; 126. a second avoidance slot; 130a, a first conductive member; 130b, a second conductive member; 190. a connecting member; 127. a third avoidance slot; 1112. a liquid injection hole; 200. a second insulating member; 211. a first portion; 212. a first bent portion; 213. a second portion; 210. a third insulating member; 220. an injection molding part; 400. an electronic device.

Detailed Description

In order to facilitate an understanding of the present application, the present application is described in more detail below with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used herein, the terms "upper," "lower," "inner," "outer," "vertical," "horizontal," and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship as shown in the drawings for convenience in describing the present application and simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In addition, the technical features mentioned in the different embodiments of the present application described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-2, a battery 100 provided in an embodiment of the present disclosure includes a battery cell 110, a circuit board 120, and a conductive device 130, where one end of the conductive device 130 is connected to the battery cell 110, and the other end of the conductive device 130 is connected to the circuit board 120.

Specifically, the battery cell 110 includes a body 111 and a pole 112, the pole 112 is mounted on the body 111, and a part of the pole 111 protrudes from an end surface of the body 111. The end face of the terminal post 112 protruding out of the body 111 is defined as a first end face 1101 of the battery cell 110, the direction in which the terminal post 112 protrudes out of the first end face 1101 is defined as a first direction X, and the thickness direction of the battery cell 110 is defined as a second direction Y. Along the second direction Y, the battery cell 110 includes a first surface 1103 and a second surface 1104, and both the first surface 1103 and the second surface 1104 are disposed adjacent to the first end face 1101.

As shown in fig. 2, the circuit board 120 includes a main board surface 1201 and a side board surface 1202, and the main board surface 1201 is disposed adjacent to the side board surface 1202. The main plate surface 1201 is used to provide components such as a resistor and a capacitor. The main board surface 1201 includes a first board surface 12011 and a second board surface 12012, the first board surface 12011 is used for setting a component, the second board surface 12012 may or may not be provided with a component according to actual needs, and the second board surface 12012 is far away from the first surface 1103. In this embodiment, the first board surface 12011 is provided with components, and the second board surface 12012 is not provided with components.

The conductive member 130 includes a first conductive portion 131 and a second conductive portion 132 extending from the first conductive portion 131 along the first direction X, and the second conductive portion 132 is bent with respect to the first conductive portion 131. The first conductive part 131 is connected to the post 112, and the second conductive part 132 is connected to the main board surface 1201, that is, the second conductive part 132 may be connected to the first board surface 12011, or the second conductive part 132 may be connected to the second board surface 12012. In this embodiment, the second conductive portion 132 is connected to the first board surface 12011, and compared with the second conductive portion 132 connected to the second board surface 12012, the second conductive portion 132 may utilize a space where a component protrudes from the first board surface 12011, so as to reduce a risk of a space occupied by a thickness of the second conductive portion 132, reduce a thickness of the battery 100 on the circuit board 120 in the second direction Y, and facilitate increasing an energy density of the battery 100.

Therefore, the first plate surface 12011 and the second plate surface 12012 are both arranged along the second direction Y, that is, the circuit board 120 is vertically arranged relative to the first end surface 1101, and the thickness direction of the circuit board 120 is parallel to the second direction Y, which is beneficial to reducing the space occupied by the circuit board 120 in the second direction Y, reducing the thickness of the side of the battery 100 provided with the terminal post 112, and improving the energy density of the battery 100.

In some embodiments, the first conductive portion 131 has a first side end and a second side end 1311 oppositely disposed along the second direction Y, the first side end is connected to the second conductive portion 132, the second side end 1311 is partially recessed toward the first side end and forms an opening 1312, and the opening 1312 surrounds the outer periphery of the pole 112. Thus, compared with the first conductive part 131 without the opening 1312, the opening 1312 provided in the present application can reduce the occupation of too much space of the first conductive part 131 in the second direction Y, which is beneficial to improving the energy density of the battery 100.

In some embodiments, please refer to fig. 2 and fig. 3, the battery 100 further includes an output terminal 140, the output terminal 140 is connected to the first board 12011, and the output terminal 140 is used for connecting with an electronic device, so that the electric energy stored in the battery 100 can supply power to the electronic device. In this embodiment, the output terminal 140 includes a first connection portion 141, a first middle portion 142, and a second connection portion 143, which are connected in sequence, the first connection portion 141 is connected to the first board surface 12011, the second connection portion 143 is disposed on the second board surface 12012, and a portion of the second connection portion 143 extends out of the circuit board 120 along the first direction X, and the second connection portion 143 is used for electrically connecting the electronic device. When the battery 100 is installed in an electronic device, the first surface 1103 is used for being connected to a battery compartment of the electronic device, and the second surface 12012 is far away from the bottom of the battery compartment, so that the second connecting portion 143 has a certain movement space, which is beneficial for the second connecting portion 143 to be connected to other electrical connectors of the electronic device, for example, a motherboard connector of the electronic device.

Further, the side of the circuit board 120 away from the first end surface 1101 is provided with a notch 121, and the first middle portion 142 extends along the second direction Y and is located in the notch 121, so that the influence of the first middle portion 142 on the length of the battery 100 in the first direction X is reduced, and the energy density of the battery 100 is improved.

In some embodiments, the battery 100 further includes a protective film 150, and the protective film 150 is disposed between the output terminal 140 and the second plate surface 12012, that is, the protective film 150 is disposed between the second connection portion 143 and the second plate surface 12012. The protection film 150 can reduce the risk of abrasion of the output terminal 140 caused by relative movement between the second connection portion 143 and the second plate surface 12012, and is beneficial to improving the safety performance of the battery 100.

In some embodiments, a surface of the terminal 112 facing away from the first end surface 1101 along the first direction X is used as a terminal surface 112a, the battery 100 further includes a first insulating member 160, and the first insulating member 160 is disposed on the first end surface 1101 and the terminal surface 112a, so that the first insulating member 160 can perform an insulating protection function on the first end surface 1101 and the terminal surface 112a, thereby reducing a risk that an inner line is exposed after a side surface of the circuit board 120 close to the first end surface 1101 is in contact with the first end surface 1101 and is worn, and reducing a risk that the exposed line on the side surface of the circuit board 120 close to the first end surface 1101 touches the first conductive portion 131, the terminal 112, and the first end surface 1101 to cause a short circuit. In this embodiment, the first insulating member 160 is a single-sided adhesive tape, but the first insulating member 160 is not limited to the single-sided adhesive tape and may be other insulating members.

In some embodiments, the body 111 is provided with a protruding portion 1111 protruding from the first end surface 1101, and along the second direction Y, the protruding portion 1111 includes a third surface 1111a and a fourth surface 1111b which are oppositely arranged, the third surface 1111a abuts against the main board surface 1201, and the fourth surface 1111b is used for abutting against a battery compartment of the electronic device. At this time, the housing of the body 111 is made of metal steel, so that the protruding portion 1111 can support the circuit board 120 to a certain extent, thereby reducing the risk that the circuit board 120 is forced to deform by gravity, and facilitating to improve the reliability of the battery 100.

In some embodiments, the battery 100 further includes a buffer 170, the buffer 170 is disposed between the main board surface 1201 and the protruding portion 1111, that is, the buffer 170 is disposed between the first board surface 12011 and the protruding portion 1111, and the buffer 170 is configured to protect components disposed on the first board surface 12011 and reduce the risk of collision between the components on the first board surface 12011 and the protruding portion 1111. It can be understood that the buffer member 170 may be foam, or may be other materials as long as it can buffer between the first plate surface 12011 and the protruding portion 1111.

Further, the battery 100 further includes a bonding member 180, one end surface of the bonding member 180 abuts against the protruding portion 1111, and the other end surface of the bonding member 180 is used for abutting against the buffer member 170. In this manner, the buffer member 170 can be bonded to the protruding portion 1111. The adhesive member 180 may be glue or double-sided tape, or may be other adhesive members, which may be set as needed as long as the buffer member 170 can be fixed to the protruding portion 1111.

It should be understood that the number of the poles 112 may be one, two, or even more, and is specifically set according to the actual requirement. The following description will be given with the number of the poles 112 being one or two, specifically as follows:

a direction perpendicular to the first direction X and the second direction Y is defined as a third direction Z.

In some embodiments, as shown in fig. 3, the pole post 112 includes a first pole post 1121 and a second pole post 1122, the first pole post 1121 and the second pole post 1122 are spaced apart in the third direction Z, and the first pole post 1121 and the second pole post 1122 have different polarities. Viewed in the first direction X, in the third direction Z, the circuit board 120 has a first end 123 disposed near the first pole post 1121 and a second end 124 disposed near the second pole post 1122, and both the first pole post 1121 and the second pole post 1122 are located between the first end 123 and the second end 124. That is, the distance between the first pole post 1121 and the second pole post 1122 in the third direction Z is smaller than the dimension of the circuit board 120 in the third direction Z.

Further, a first avoiding groove 125 and a second avoiding groove 126 are formed on a side of the circuit board 120 close to the first end surface 1101. The number of the conductive members 130 is two, which are a first conductive member 130a and a second conductive member 130b, respectively, a first conductive portion of the first conductive member 130a is connected to the first pole 1121, a first conductive portion of the second conductive member 130b is connected to the second pole 1122, a first conductive portion of the first conductive member 130a is located in the first avoiding groove 125, and a first conductive portion of the second conductive member 130b is located in the second avoiding groove 126. Thus, compared with the mode that the circuit board 120 is not provided with the first avoidance groove 125 and the second avoidance groove 126, the first avoidance groove 125 and the second avoidance groove 126 are provided in the present application, so that the risk that the circuit board 120 occupies more space in the first direction X due to the interference of the terminal post 112 and the conductive member 130 can be reduced, the size of the battery 100 in the first direction X is reduced, and the energy density of the battery 100 is favorably improved.

In other embodiments, as shown in fig. 4, the pole post 112 includes a first pole post 1121 and a second pole post 1122, the first pole post 1121 and the second pole post 1122 are spaced apart in the third direction Z, and the first pole post 1121 and the second pole post 1122 have different polarities. Viewed in the first direction, in the third direction Z, the circuit board 120 has a first end 123 disposed near the first pole post 1121 and a second end 124 disposed near the second pole post 1122, the first pole post 1121 exceeds the first end 123, and the second pole post 1122 exceeds the second end 124. That is, the distance between the first pole post 1121 and the second pole post 1122 in the third direction Z is greater than the dimension of the circuit board 120 in the third direction Z. In this way, the first pole post 1121 and the second pole post 1122 are not overlapped with the circuit board 120 in the first direction X, and the circuit board 120 does not need to be provided with the first avoiding groove 125 and the second avoiding groove 126, which can reduce the risk that the circuit board 120 occupies more space in the first direction X due to the interference of the pole post 112 and the conductive member 130, reduce the size of the battery 100 in the first direction X, and is beneficial to improving the energy density of the battery 100, compared to a mode that the first pole post 1121 and the second pole post 1122 are overlapped with the circuit board 120 in the first direction X.

In some embodiments, as shown in fig. 5, the number of the poles 112 is one, and the battery 100 further includes a connector 190, one end of the connector 190 is electrically connected to the circuit board 120, and the other end of the connector 190 is electrically connected to the body 111. At this time, the post 112 serves as one electrode of the battery 100, the body 111 serves as the other electrode of the battery 100, and the case of the body 111 is made of a conductive metal.

In some embodiments, a third avoiding groove 127 is formed on a side of the circuit board 120 close to the first end surface 1101, the body 111 is provided with a liquid injection hole 1112, the liquid injection hole 1112 is located in the third avoiding groove 127, and the liquid injection hole 1112 is used for injecting the electrolyte into the body 111. Thus, compared with the mode that the third avoiding groove 127 is not formed in the circuit board 120, the circuit board 120 provided with the third avoiding groove 127 can reduce the risk that the circuit board 120 occupies more space in the first direction X due to the interference of the liquid injection hole 1112, reduce the size of the battery 100 in the first direction X, and facilitate the improvement of the energy density of the battery 100.

In some embodiments, referring to fig. 1 and fig. 2, the battery 100 further includes a second insulating member 200, the second insulating member 200 is located on one side of the battery 100 having the terminal post 112, and the second insulating member 200 surrounds the circuit board 120, the second conductive portion 132, the output terminal 140 and the protruding portion 1111, so as to fix and insulate the circuit board 120, the protruding portion 1111 and a portion of the output terminal 140, so as to protect the battery and improve the reliability of the battery 100.

In some embodiments, the battery 100 further includes a third insulating member 210, the third insulating member 210 includes a first portion 211, a first bending portion 212, and a second portion 213 connected in sequence, the first portion 211 is connected to the first surface 1103, the second portion 213 is connected to the second surface 1104, and the third insulating member 210 is configured to perform surface insulation protection on the head portion of the battery 100, where the first bending portion 212 is configured to cover the conductive component 130, the circuit board 120, and the terminal post 112. Thus, the third insulating member 210 can perform insulation protection on the side of the battery 100 having the terminal post 112, which is beneficial to improving the reliability of the battery 100.

In other embodiments, the battery 100 does not need to be provided with the protective film 150, the buffer member 170, the second insulating member 200 and the third insulating member 210, and at this time, the injection molding part 220 is formed on the side of the battery 100 where the terminal post 112 is provided by an injection molding process, which can also achieve the same protection effect. Specifically, as shown in fig. 6 and 7, the battery 100 includes an injection molding part 220, the injection molding part 220 is disposed on the first end surface 1101, and the injection molding part 220 covers the conductive member 130, the circuit board 120 and the terminal post 112.

The battery 100 provided by the embodiment of the application includes a battery cell 110, a circuit board 120 and a conductive piece 130, the battery cell 110 includes a body 111 and a terminal post 112, the terminal post 112 is installed on the body 111, the circuit board 120 includes a side plate surface 1202 and a main plate surface 1201 used for setting a component, the side plate surface 1202 and the main plate surface 1201 are adjacent to each other, and a surface of the body 111 where the terminal post 112 is installed is a first end surface 1101. The conductive component 130 includes a first conductive component 131 and a second conductive component 132 formed by extending from the first conductive component 131 along the first direction X, the second conductive component 132 is bent relative to the first conductive component 131, the first conductive component 131 is connected to the post 112, and the second conductive component 132 is connected to the motherboard surface 1201. So, circuit board 120 is vertical for first terminal surface 1101 and is placed, and the thickness direction of circuit board 120 is parallel with the thickness direction of electric core 110, is favorable to reducing the shared space of circuit board 120 in second direction Y, has reduced the thickness that battery 100 was equipped with one side of utmost point post 112, has improved battery 100's energy density.

As shown in fig. 8, an electronic device 400 provided in another embodiment of the present application includes the battery 100 in the above embodiments and an electronic device body 300, wherein the battery device body 300 is provided with a battery compartment, and the battery 100 is installed in the battery compartment. The electronic device 400 of the present application is not particularly limited, and may be any electronic device known in the art. For example, the electronic device 400 includes, but is not limited to, a notebook computer, a pen-input computer, a mobile computer, an electronic book player, a portable phone, a portable facsimile, a portable copier, a portable printer, a headphone, a video recorder, a liquid crystal television, a portable cleaner, a portable CD player, a mini-disc, a transceiver, an electronic organizer, a calculator, a memory card, a portable recorder, a radio, a backup power source, an electric motor, an automobile, a motorcycle, a power-assisted bicycle, a lighting fixture, a toy, a game machine, a timepiece, an electric tool, a flashlight, a camera, a large-sized household battery, a lithium ion capacitor, and the like.

The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims (19)

1. A battery comprises a battery core and a circuit board, wherein the battery core comprises a body and a pole, the pole is installed on the body, the circuit board comprises a side board surface and a main board surface for arranging components, the side board surface is arranged adjacent to the main board surface, and the side of the body, on which the pole is installed, is taken as a first end surface;

the battery further comprises a conductive piece, wherein the conductive piece comprises a first conductive part and a second conductive part formed by extending the first conductive part along the first direction, the second conductive part is bent relative to the first conductive part, the first conductive part is connected with the pole, and the second conductive part is connected with the main board surface.

2. The battery of claim 1, wherein the main board surface comprises a first board surface and a second board surface, the first board surface and the second board surface are oppositely arranged along the second direction, the battery further comprises an output terminal, the output terminal is connected to the first board surface, and the first board surface is used for arranging the component.

3. The battery according to claim 2, wherein the output terminal includes a first connecting portion, a first intermediate portion, and a second connecting portion connected in this order, the first connecting portion is connected to the first plate surface, the second connecting portion is provided on the second plate surface, and a part of the second connecting portion protrudes from the circuit board along the first direction.

4. The battery of claim 3, wherein the second connecting portion is configured to electrically connect to an electronic device, and in the second direction, the battery core includes a first surface and a second surface that are opposite to each other, the first surface is connected to a battery compartment of the electronic device, and the second surface is away from the first surface.

5. The battery of claim 3, wherein a side of the circuit board remote from the first end surface is provided with a recess, and the first intermediate portion extends in the second direction and is located within the recess.

6. The battery according to claim 2, wherein a direction perpendicular to both the first direction and the second direction is a third direction,

utmost point post includes first utmost point post and second utmost point post, first utmost point post and second utmost point post interval setting in the third direction follow the first direction is observed in the third direction, the circuit board is including being close to the first end that first utmost point post set up and being close to the second end that the second utmost point post set up, first utmost point post the second utmost point post two is located the first end with between the second end.

7. The battery of claim 6, wherein a first avoiding groove and a second avoiding groove are formed in a side of the circuit board close to the first end surface, the number of the conductive members is two, and the first conductive member and the second conductive member are respectively a first conductive member and a second conductive member, a first conductive portion of the first conductive member is connected to the first terminal, a first conductive portion of the second conductive member is connected to the second terminal, a first conductive portion of the first conductive member is located in the first avoiding groove, and a first conductive portion of the second conductive member is located in the second avoiding groove.

8. The battery according to claim 2, wherein a direction perpendicular to both the first direction and the second direction is a third direction,

the pole comprises a first pole and a second pole which are arranged at intervals in a third direction,

the edge first direction is observed, in the third direction, the circuit board includes and is close to the first end that first utmost point post set up and is close to the second end that the second utmost point post set up, first utmost point post surpasss first end, the second utmost point post surpasss the second end.

9. The battery of claim 2, further comprising a connector, one end of the connector being conductively coupled to the circuit board, and the other end of the connector being conductively coupled to the body.

10. The battery of claim 1, wherein a surface of the terminal facing away from the first end surface along the first direction is a terminal surface, and the battery further comprises a first insulating member disposed on the first end surface and the terminal cylindrical surface.

11. The battery of claim 2, further comprising a protective film disposed between the output terminal and the second plate surface.

12. The battery of claim 2, further comprising a second insulating member on a side of the cell having the terminal post, wherein the output terminal portion overlaps the main board surface, and wherein the second insulating member surrounds the circuit board, the second conductive portion, and the output terminal.

13. The battery of claim 1, wherein the body is provided with a protrusion extending from the first end surface, the protrusion comprising a third surface and a fourth surface arranged opposite to each other in the second direction, the third surface abutting against the main board surface, and the fourth surface being configured to abut against a battery compartment of an electronic device.

14. The battery of claim 13, further comprising a buffer member disposed between the major panel surface and the extension.

15. The battery of claim 14, further comprising an adhesive member, one end surface of the adhesive member abutting the protruding portion, the other end surface of the adhesive member being configured to abut a buffer member.

16. The battery of claim 1, wherein the cell comprises first and second oppositely disposed surfaces along the second direction,

the battery further comprises a third insulating part, wherein the third insulating part comprises a first part, a first bent part and a second part which are sequentially connected, the first part is connected to the first surface, the second part is connected to the second surface, and the first bent part is used for coating the conductive piece, the circuit board and the pole.

17. The battery of claim 1, further comprising an injection molding part disposed on the first end surface, wherein the injection molding part covers the conductive member, the circuit board, and the terminal.

18. The battery according to claim 1, wherein in the second direction, the first conductive portion has a first side end and a second side end that are opposite to each other, the first side end is connected to the second conductive portion, and the second side end is recessed toward a direction close to the first side end to form an opening that surrounds an outer peripheral edge of the post.

19. An electronic device comprising a battery as claimed in any one of claims 1 to 18.

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