WO2024001436A1

WO2024001436A1 - Battery and electronic device

Info

Publication number: WO2024001436A1
Application number: PCT/CN2023/088776
Authority: WO
Inventors: 卫志达; 谢继春; 王智峰
Original assignee: 珠海冠宇电池股份有限公司
Priority date: 2022-06-30
Filing date: 2023-04-17
Publication date: 2024-01-04
Also published as: CN217641722U

Abstract

The present application relates to the technical field of batteries, and provides a battery and an electronic device, for use in solving the problems in the related art of poor sealing performance and reliability of a battery packaging method. The battery comprises a housing, a packaging member, and a first adapter; the housing is provided with a cavity; a first through hole is formed in the housing; the first adapter is located in the cavity; a second through hole corresponding to the first through hole is formed in the first adapter; at least part of the first adapter passes through the first through hole; the packaging member is located outside the housing; and the packaging member is packaged on the first adapter. According to the present application, the problem of electrolyte leakage caused by easy penetration of the housing when the housing is directly packaged by the packaging member can be avoided, so that the sealing performance and reliability of the battery are improved, the quality of the battery is further improved, and the service life of the battery is prolonged.

Description

Batteries and electronic equipment

This application claims priority to the Chinese patent application filed with the China Patent Office on June 30, 2022, with application number 202221696667.6 and application name "Battery and Electronic Equipment", the entire content of which is incorporated into this application by reference.

Technical field

The present application relates to the field of battery technology, and in particular to a battery and electronic equipment.

Background technique

Lithium-ion batteries have the advantages of lightweight, high safety, and high energy density, so they have become the first choice for most portable electronic devices. The electronic device includes the device body, the lithium-ion battery is assembled in the device body, and the lithium-ion battery is electrically connected to the device body. And provide energy source for the device body.

During use, the sealing of lithium-ion batteries is crucial. The battery includes a casing and a sealing sheet. The casing has a cavity. There is a liquid injection port on the casing. The electrolyte is injected into the cavity through the liquid injection port. The sealing sheet It is packaged on the liquid filling port to realize battery packaging, wherein the sealing sheet is welded at the edge of the liquid filling port.

However, the above-mentioned packaging method has poor sealing and reliability of the battery.

Utility model content

In order to solve at least one of the problems mentioned in the background art, embodiments of the present application provide a battery and electronic equipment, which can avoid the problem of liquid leakage caused by easily penetrating the case when the package directly encapsulates the case. It is conducive to improving the sealing and reliability of the battery, further improving the quality of the battery and extending the service life of the battery.

In order to achieve the above object, the first aspect of the embodiment of the present application provides a battery, including a casing, a package and a first adapter. The casing has a cavity, and a first through hole is opened in the casing. The first through hole connects the cavity with the outside;

The first adapter is located in the cavity. The first adapter is provided with a second through hole corresponding to the first through hole. The second through hole penetrates the first through hole. adapter;

At least part of the first adapter passes through the first through hole, the package is located outside the housing, and the package is packaged on the first adapter.

In the above battery, optionally, the first adapter includes an adapter body part and an adapter protruding part;

The transfer protrusion is connected to a surface of the transfer body part close to the first through hole, and the second through hole penetrates the transfer protrusion and the transfer body part;

The transfer body part is located in the cavity, at least part of the transfer protrusion passes through the first through hole, and the package is packaged on the transfer protrusion.

In the above battery, optionally, the package includes a package body part and a package protruding part;

The package protruding portion is connected to a surface of the package body portion close to the first through hole;

At least part of the package protruding portion passes through the second through hole and is located in the cavity, and the package body portion is packaged at the hole edge of the second through hole.

In the above-mentioned battery, optionally, it also includes a battery core body, and the battery core body is located in the cavity;

A tab is provided on a surface of the battery core body close to the first adapter, and the tab is electrically connected to the first adapter.

In the above battery, optionally, it also includes a tab connector, the tab connector is provided on the tab, and the tab and the first adapter are connected through the tab. electrical connections.

In the above battery, optionally, the first adapter further includes two adapter connections;

Along the direction perpendicular to the package to the first adapter, the two adapter connection parts are respectively provided at opposite ends of the adapter body part;

The two transfer connection parts are located on opposite sides of the extension direction of the transfer body part, and the first transfer part is connected to the tab connector through the transfer connection part.

In the above battery, optionally, it also includes a second adapter and a conductive member, the second adapter is located in the cavity, and the conductive member is located outside the housing;

The housing is provided with a through hole, and at least part of the conductive member passes through the through hole, and Electrically connected to the second adapter;

The pole tabs include positive pole tabs and negative pole tabs with opposite electrical properties. One of the first adapter piece and the second adapter piece is electrically connected to the positive pole tab. The first adapter piece and the negative pole tab are electrically opposite. The other of the second adapter members is electrically connected to the negative electrode ear.

In the above battery, optionally, a first insulating member is further included, the first insulating member is disposed in the cavity, and the first insulating member is located between the housing and the second rotor. Between the connectors, a first insulating through hole is provided in the first insulating member;

The battery further includes a second insulating member, the second insulating member is disposed outside the housing, and the second insulating member is located between the housing and the conductive member, the second insulating member The component is provided with a second insulating through hole;

The first insulating through-hole, the second insulating through-hole and the through-hole are arranged correspondingly and communicate with each other.

In the above battery, optionally, the thickness of the first adapter is not less than the thickness of the housing, and the difference between the thickness of the first adapter and the thickness of the housing The range is between 0-2mm;

The thickness of the housing is not less than the thickness of the package, and the difference between the thickness of the housing and the thickness of the package ranges from 0 to 2 mm.

In the above battery, optionally, the surface of the adapter protrusion on the side facing away from the cavity protrudes from the side wall surface of the housing;

The distance between the surface of the adapter protrusion on the side facing away from the cavity and the side wall surface of the housing ranges from 0.1 to 0.5 mm.

In the above battery, optionally, a surface of the adapter protruding portion on a side facing away from the cavity is welded to a surface of the package body portion on a side close to the first through hole.

In the above battery, optionally, a sealing adhesive member is further included, and the sealing adhesive member is disposed between the side wall of the adapter protrusion and the side wall of the housing.

A second aspect of the embodiment of the present application also provides an electronic device, including a device body and the above-mentioned battery. The device body has a cavity, and the battery is disposed in the cavity; the battery is electrically connected to the device body. connect.

The battery and electronic equipment provided by this application include a shell. The shell has a cavity. The first adapter is located in the cavity. At the same time, the cavity can accommodate the battery body. The shell can connect the first adapter and the The battery core body plays a protective role; by opening a first through hole on the housing, the first through hole connects the cavity and the outside, and the electrolyte can be injected into the cavity through the first through hole to ensure that The positive ear and the negative ear of the battery are electrically connected; by including a first adapter, a second through hole is opened on the first adapter, and the package is packaged on the first adapter, In this way, during the packaging process, it can be avoided that the package directly encapsulates the casing, which may easily lead to the problem of electrolyte leakage caused by penetrating the casing, which is conducive to improving the sealing and reliability of the battery, and further improving the quality of the battery. Extend battery life.

In addition to the technical problems solved by the embodiments of the present application, the technical features constituting the technical solutions and the beneficial effects brought by the technical features of these technical solutions described above, there are also other problems that can be solved by the batteries and electronic devices provided by the embodiments of the present application. Other technical problems, other technical features included in the technical solution, and the beneficial effects brought by these technical features will be further described in detail in the specific implementation modes.

Description of drawings

In order to more clearly explain the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of a first adapter, a housing, a second adapter and a conductive element provided by an embodiment of the present application;

Figure 2 is a schematic structural diagram of the first adapter provided by the embodiment of the present application;

Figure 3 is a cross-sectional view of the first adapter, the housing and the package provided by the embodiment of the present application after assembly;

Figure 4 is a schematic structural diagram of the first adapter, the housing and the package provided by the embodiment of the present application;

Figure 5 is a schematic structural diagram of the first adapter, the housing, the second adapter, the conductive element and the battery core body provided by the embodiment of the present application;

Figure 6 is a schematic structural diagram of the first adapter, the second adapter and the conductive element assembled on the housing according to the embodiment of the present application.

Explanation of reference symbols:
100-battery; 110-casing; 111-cavity;
112-first through hole; 113-through hole; 120-package;
121-package body; 122-package protruding part; 130-first adapter;
131-the second through hole; 132-the transfer body part; 133-the transfer protruding part;
134-transfer connection part; 140-battery core body; 150-pole lug connector;
160-the second adapter; 170-the conductive part; 180-the first insulating part;
181-first insulating through-hole; 190-second insulating member; 191-second insulating through-hole.

Detailed ways

The battery mainly includes a shell, a battery core body and a sealing sheet. The shell has a cavity, the battery core body is located in the cavity, and a liquid injection port is provided on the shell. The electrolyte is injected into the cavity through the liquid injection port, so as to Ensure the electrical connection between the positive and negative tabs of the battery, and seal the sealing sheet on the liquid filling port to seal the battery. The sealing sheet is mainly welded and sealed at the edge of the liquid filling port.

Among them, in the related art, when packaging, the thickness of the sealing sheet and the thickness of the casing are often set close to each other. In this way, during the packaging process, the problem of electrolyte leakage due to penetration of the casing easily occurs, resulting in battery failure. The sealing and welding quality rate is low, and the battery's sealing and reliability are poor, which in turn affects the quality and service life of the battery.

In order to solve the above technical problems, the present application provides a battery and electronic equipment, which includes a casing. The casing has a cavity, and the first adapter is located in the cavity. At the same time, the cavity can accommodate the battery core body, and the casing can accommodate the battery core body. The first adapter and the battery core body play a protective role; by opening a first through hole on the housing, the first through hole connects the cavity and the outside, and the electrolyte can be injected into the cavity through the first through hole. To ensure the electrical connection between the positive electrode ear and the negative electrode ear of the battery; by including a first adapter member, a second through hole is opened on the first adapter member, and the package is packaged on the first adapter member, so that in the package During the process, the package can be avoided from directly encapsulating the casing, which may easily lead to penetration of the casing and leakage of the electrolyte, thereby conducive to improving the sealing and reliability of the battery, further improving the quality of the battery, and prolonging the use of the battery. life.

In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments These are part of the embodiments of this application, but not all of them. Based on the embodiments in this application, those of ordinary skill in the art will not have to do any creative work All other embodiments obtained under the premise fall within the scope of protection of this application.

Figure 1 is a schematic structural diagram of the first adapter, a housing, a second adapter and a conductive element provided by an embodiment of the present application. Figure 2 is a schematic structural diagram of the first adapter provided by an embodiment of the present application. Figure 3 Figure 4 is a schematic structural diagram of the first adapter, housing and package provided by the embodiment of the present application. Figure 5 This is a schematic structural diagram of the first adapter, the housing, the second adapter, the conductive element and the battery core body provided by the embodiment of the present application. Figure 6 is the first adapter, the second adapter provided by the embodiment of the present application. Schematic diagram of the structure of connectors and conductive parts assembled on the housing.

Embodiment 1

Referring to Figure 1, an embodiment of the present application provides a battery 100, which includes a housing 110, a package 120 and a first adapter 130. The housing 110 has a cavity 111, and a first through hole is opened in the housing 110. 112. The first through hole 112 connects the cavity 111 with the outside. In this way, the electrolyte can be injected into the cavity 111 through the first through hole 112 to ensure the electrical connection between the positive electrode ear and the negative electrode ear of the battery 100.

Continuing to refer to FIG. 1 , the first adapter 130 is located in the cavity 111 . The first adapter 130 is provided with a second through hole 131 , and along the thickness direction of the first adapter 130 , the second through hole 131 penetrates the first adapter 130 .

During assembly, at least part of the first adapter 130 passes through the first through hole 112 and is located outside the housing 110 . Furthermore, in a specific implementation, the hole edge of the second through hole 131 located outside the housing 110 needs to be convex. Out of the hole edge of the first through hole 112 , the package 120 is located outside the housing 110 , and the package 120 is packaged on the first adapter 130 .

By providing the second through hole 131 and having the hole edge of the second through hole 131 located outside the housing 110 protruding from the hole edge of the first through hole 112 , during the packaging process, the package 120 is packaged in the second through hole 131 . The edge of the hole 131 can ensure that the package 120 does not contact the housing 110, thereby preventing the package 120 from directly packaging the housing 110, which may easily lead to the problem of electrolyte leakage caused by penetrating the housing 110, thus benefiting The sealing and reliability of the battery 100 are improved, the quality of the battery 100 is further improved, and the service life of the battery 100 is extended.

In an implementable manner, as shown in FIGS. 2 and 3 , the first adapter 130 may include a connected adapter body 132 and an adapter protrusion 133 , and the adapter protrusion 133 is connected to On the surface of the adapter body part 132 close to the first through hole 112 , the second through hole 131 penetrates the adapter protruding part 133 and the adapter body part 132 .

As shown in FIG. 3 , the adapter body part 132 is located in the cavity 111 . At least part of the adapter protruding part 133 passes through the first through hole 112 and is located outside the housing 110 . The hole edge of the second through hole 131 is formed At the protruding end of the adapter protrusion 133 .

By including the adapter body part 132, the adapter body part 132 is located in the cavity 111. In this way, during the packaging process, as shown in FIG. 3, the adapter body part 132 is attached to the inner wall of the housing 110. The connecting body portion 132 can further seal the first through hole 112 to avoid the problem of electrolyte leakage, thereby improving the sealing performance and reliability of the battery 100 .

By including the adapter protrusion 133 , it is convenient for the first adapter 130 to pass through the first through hole 112 , the hole edge of the second through hole 131 is formed at the protruding end of the adapter protrusion 133 , and the package 120 encapsulates The hole edge of the second through hole 131 can further ensure that the package 120 does not contact the housing 110, thereby preventing the possibility of penetrating the housing 110 and causing electrolysis when the thickness of the package 120 is close to the thickness of the housing 110. Liquid leakage problem.

In an implementable manner, as shown in FIGS. 3 and 4 , the package 120 may include a connected package body part 121 and a package protruding part 122 , and the package protruding part 122 is connected to the package body part 121 close to the first A surface on one side of the through hole 112. At least part of the package protruding portion 122 passes through the second through hole 131 and is located in the cavity 111 . The package body portion 121 is packaged at the hole edge of the second through hole 131 .

By including the packaging body part 121, the packaging body part 121 is located outside the housing 110. In this way, during the packaging process, as shown in FIG. 3, the packaging body part 121 is packaged at the edge of the second through hole 131. This packaging method The packaging area is larger, thereby ensuring better sealing and reliability of the battery 100 .

By including the packaging protruding portion 122 , at least part of the packaging protruding portion 122 passes through the second through hole 131 . In this way, the packaging protruding portion 122 and the transfer protruding portion 133 are packaged together, which can further seal the first through hole 112 The function can avoid the problem of electrolyte leakage to the greatest extent, thereby helping to improve the sealing and reliability of the battery 100.

In an implementable manner, as shown in FIG. 5 , a battery core body 140 is also included. The battery core body 140 is located in the cavity 111 , wherein the surface of the battery core body 140 close to the first adapter 130 There are pole tabs on the top, and the pole tabs are electrically connected to the first adapter 130 .

By providing the pole tab, one end of the first adapter 130 is connected to the positive pole tab (or negative pole tab), and the other end is connected to the positive pole cover (or negative pole cover) of the case 110 to realize the connection between the cell body 140 and the case 110 . Electrode transfer.

It should be noted that the tabs can be arranged on the battery core body 140 by welding, for example, ultrasonic welding, laser welding, riveting, current energy storage welding, current welding or spot welding can be used, or the tabs can be It can be arranged on the battery core body 140 in other ways, and this is not further limited in this embodiment.

In an implementable manner, as shown in FIG. 5 , a tab connector 150 may also be included, wherein the tab connector 150 is provided on the tab, and the tab is connected to the first adapter 130 through the tab. Piece 150 electrical connections. By including the tab connector 150 , the connection area between the tab and the first adapter 130 can be increased, thereby ensuring the electrical connection between the tab and the first adapter 130 .

In an implementation manner, as shown in FIGS. 2 and 5 , the first adapter 130 may further include two adapter connections 134 along a direction perpendicular to the package 120 to the first adapter 130 On the other hand, two adapter connection portions 134 are respectively provided at opposite ends of the adapter body portion 132 .

The two transfer connection portions 134 are located on opposite sides of the extension direction of the transfer body portion 132 , and the extension directions of the two transfer connection portions 134 are both toward the tab connector 150 .

By including the transfer connection part 134, the first transfer part 130 can be connected to the tab connector 150 through the transfer connection part 134. In addition, in this embodiment, the transfer connection part 134 and the tab connector 150 are both It is a plate-shaped member, which can further increase the connection area between the adapter connection part 134 and the tab connector 150 , thereby ensuring a good electrical connection between the tab and the first adapter 130 .

In addition, the transfer connection part 134 can also play a supporting role, which can ensure the stability during overlapping connection and the assembly reliability between the transfer connection part 134 and the tab connector 150 .

In addition, in this embodiment, the transfer connection part 134 and the tab connector 150 may be connected by welding, for example, ultrasonic welding, laser welding, riveting, current energy storage welding, current welding or spot welding may be used. Alternatively, the transfer connection part 134 and the tab connector 150 may also be connected through other methods, which are not further limited in this embodiment.

In an implementable manner, as shown in FIGS. 5 and 6 , a second adapter 160 and a conductive member 170 are also included. The second adapter 160 is located in the cavity 111 , and the conductive member 170 is located in the housing 110 Outside, the first adapter 130 and the second adapter 160 have opposite electrical properties.

Continuing to refer to FIG. 5 , the housing 110 is provided with a through hole 113 , and at least part of the conductive member 170 passes through the through hole 113 and is electrically connected to the second adapter member 160 .

The pole tabs include positive pole tabs and negative pole tabs with opposite polarities. One of the first adapter piece 130 and the second adapter piece 160 is electrically connected to the positive pole tab, and one of the first adapter piece 130 and the second adapter piece 160 The other one is electrically connected to the negative ear.

By providing the second adapter 160, when the battery 100 is working, the current circuit is as follows: the current flows out from the positive ear of the battery body 140, passes through the first adapter 130 connected to the positive ear, reaches the positive cap and flows to the external load circuit. , and flows back to the negative electrode cover, reaches the negative electrode ear of the battery core body 140 through the second adapter 160 connected to the negative electrode cover, and flows into the battery core body 140 to form a current loop.

By including the conductive member 170 , the conductive member 170 can achieve the function of electrically connecting the cell body 140 with the outside. The conductive member 170 in this embodiment is specifically a pole.

In an implementable manner, as shown in FIG. 5 , a first insulating member 180 may also be included. The first insulating member 180 is disposed in the cavity 111 and is located between the housing 110 and the second rotor. between connectors 160.

By including the first insulating member 180 and the first insulating member 180 being located between the housing 110 and the second adapter 160, the first insulating member 180 can provide insulation protection to the housing 110 and the second adapter 160. Anti-short circuit function. In addition, a second insulating member 190 may also be included. The second insulating member 190 is disposed outside the housing 110 and is located between the housing 110 and the conductive member 170 . The second insulating member 190 can protect the housing 110 . 110 and the conductive member 170 play the role of insulation protection and short circuit prevention.

Continuing to refer to FIG. 5 , the first insulating member 180 is provided with a first insulating through hole 181 , the second insulating member 190 is provided with a second insulating through hole 191 , and the first insulating through hole 181 and the second insulating through hole 191 are provided. The through holes 191 and the through holes 113 are arranged correspondingly and connected with each other. In this way, during assembly, the conductive member 170 penetrates the second insulating through hole 191 , the through hole 113 and the first insulating through hole 181 in sequence, and communicates with the second adapter member 160 Electrical connection.

In an implementable manner, the thickness of the first adapter 130 is not less than the thickness of the housing 110 , and the thickness of the housing 110 is not less than the thickness of the package 120 .

As shown in FIG. 3 , the thickness of the first adapter 130 may be set to d1, the thickness of the housing 110 may be set to d2, and the thickness of the package 120 may be set to d3.

By setting the thickness of the first adapter 130 to be no less than the thickness of the housing 110, it is ensured that at least part of the first adapter 130 passes through the first through hole 112 and is located outside the housing 110; by setting the housing The thickness of the body 110 is not less than the thickness of the package 120, which can further ensure that the package 120 does not contact the casing 110, thereby avoiding the problem of electrolyte leakage caused by easy penetration of the casing, and improving the reliability of welding.

The difference between the thickness of the first adapter 130 and the thickness of the housing 110 may range from 0 to 2 mm. For example, the difference between the thickness of the first adapter 130 and the thickness of the housing 110 is The difference can be 0mm, 1mm, 2mm or any value between 0-2mm.

The difference between the thickness of the housing 110 and the thickness of the package 120 ranges from 0 to 2 mm. For example, the difference between the thickness of the housing 110 and the thickness of the package 120 can be 0 mm, 1 mm, or 2 mm. Or it can be any value between 0-2mm.

In an implementable manner, when at least part of the adapter protrusion 133 passes through the first through hole 112 , the surface of the adapter protrusion 133 on the side away from the cavity 111 protrudes from the side wall surface of the housing 110 , in this way, it can further ensure that the packaging member 120 does not contact the housing 110, thereby preventing the packaging member 120 from directly packaging the housing 110, which may easily cause the electrolyte leakage caused by penetrating the housing 110.

The distance between the surface of the adapter protrusion 133 on the side away from the cavity 111 and the side wall surface of the housing 110 may range from 0.1 to 0.5 mm. For example, it may be 0.1 mm, 0.3 mm, or 0.5 mm. mm or any value between 0.1-0.5mm.

In one possible implementation, the surface of the adapter protrusion 133 on the side away from the cavity 111 and the surface of the package body 121 on the side close to the first through hole 112 can be connected by welding, or they can also be connected through other means. The connection method is not specifically limited in this embodiment. In this way, the connection stability between the first adapter 130 and the package 120 can be improved, thereby improving the sealing performance and reliability of the battery 100.

In an implementation manner, a sealing adhesive member may also be included, so that during assembly, when at least part of the transfer protrusion 133 passes through the first through hole 112, the sealing adhesive member is disposed on the transfer protrusion. between the side wall of the portion 133 and the side wall of the housing 110 .

By including a sealing adhesive member, the sealing performance between the first adapter 130 and the housing 110 can be ensured, thereby further improving the sealing performance and reliability of the battery 100 .

Embodiment 2

Based on the above-mentioned Embodiment 1, an embodiment of the present application further provides an electronic device, including a device body and the above-mentioned battery 100. The device body has a cavity 111, and the battery 100 is disposed in the cavity 111. The battery 100 is electrically connected to the device body and configured to provide electrical energy to the device body.

It should be noted that the device body in this embodiment may be a shell of the device. In addition, the electronic device may be a wearable electronic device, such as a watch, a mobile phone, a sports bracelet, etc.; or the electronic device may be other electronic devices. product.

Other technical features are the same as those in Embodiment 1 and can achieve the same technical effects, so they will not be described again here.

The electronic device provided in this embodiment includes the above-mentioned battery 100. The battery 100 includes a housing 110. The housing 110 has a cavity 111. The first adapter 130 is located in the cavity 111. At the same time, the cavity 111 can accommodate a battery. The core body 140 and the housing 110 can protect the first adapter 130 and the battery core body 140; a first through hole 112 is opened on the housing 110, and the first through hole 112 connects the cavity 111 and Externally, the electrolyte can be injected into the cavity 111 through the first through hole 112 to ensure the electrical connection between the positive and negative terminals of the battery 100; by including the first adapter 130, the first adapter 130 is provided with In the second through hole 131, the package 120 is packaged on the first adapter 130. In this way, during the packaging process, the package 120 can be prevented from directly packaging the housing 110, which may easily penetrate the housing 110 and cause liquid leakage. problem, thereby helping to improve the sealing and reliability of the battery 100, further improving the quality of the battery 100, and extending the service life of the battery 100.

In the description of this application, it should be understood that the terms "center", "length", "width", "thickness", "top", "bottom", "upper", "lower", " "Left", "right", "front", "back", "vertical", "horizontal", "inside", "outside", "axial", "circumferential" and other indicated orientations or positional relationships are based on the drawings The orientation or positional relationship shown is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the pointed position or original must have a specific orientation, specific construction and operation, and therefore cannot be understood as a limitation of the present application. limit.

In addition, the terms “first” and “second” are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of this application, "plurality" means at least two, such as two, three, etc., except Unless otherwise explicitly and specifically limited.

In this application, unless otherwise clearly stated and limited, the terms "installation", "connection", "connection", "fixing", etc. should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection, or Become one; it can be mechanical connection, electrical connection or mutual communication; it can be directly connected, or it can be indirectly connected through an intermediate medium, which can make the internal connection of two elements or the interactive relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

In this application, unless otherwise explicitly stated and limited, the term "above" or "below" a first feature on a second feature may include direct contact between the first and second features, or may also include the first and second features. Not in direct contact but through additional characteristic contact between them. Furthermore, the terms "above", "above" and "above" a first feature on a second feature include the first feature being directly above and diagonally above the second feature, or simply mean that the first feature is higher in level than the second feature. “Below”, “under” and “under” the first feature is the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature is less horizontally than the second feature.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features can be equivalently replaced; and these modifications or substitutions do not deviate from the essence of the corresponding technical solutions from the technical solutions of the embodiments of the present application. scope.

Claims

A battery, characterized in that it includes a casing, a package and a first adapter, the casing has a cavity, a first through hole is opened in the casing, the first through hole communicates with the Cavity and exterior;

The first adapter is located in the cavity. The first adapter is provided with a second through hole corresponding to the first through hole. The second through hole penetrates the first through hole. adapter;

At least part of the first adapter passes through the first through hole, the package is located outside the housing, and the package is packaged on the first adapter.
The battery according to claim 1, wherein the first adapter includes an adapter body part and an adapter protruding part;

The transfer protrusion is connected to a surface of the transfer body part close to the first through hole, and the second through hole penetrates the transfer protrusion and the transfer body part;

The transfer body part is located in the cavity, at least part of the transfer protrusion passes through the first through hole, and the package is packaged on the transfer protrusion.
The battery according to claim 2, wherein the package includes a package body part and a package protruding part;

The package protruding portion is connected to a surface of the package body portion close to the first through hole;

At least part of the packaging protruding portion passes through the second through hole and is located in the cavity, and the packaging body portion is packaged on the transfer protruding portion.
The battery according to any one of claims 1 to 3, further comprising a battery core body located in the cavity;

A tab is provided on a surface of the battery core body close to the first adapter, and the tab is electrically connected to the first adapter.
The battery according to claim 4, further comprising a tab connector, the tab connector is provided on the tab, and the tab and the first adapter pass through the pole. The ear connector is electrically connected.
The battery according to claim 5, wherein the first adapter further includes two adapter connections;

Along the direction perpendicular to the package to the first adapter, the two adapter connections are respectively provided at opposite ends of the first adapter;

The two transfer connection parts are located on opposite sides in the extension direction of the first transfer part, and the first transfer part is connected to the tab connector through the transfer connection part.
The battery according to claim 6, further comprising a second adapter member and a conductive member, the second adapter member is located in the cavity, and the conductive member is located outside the housing;

The housing is provided with a through hole, and at least part of the conductive member passes through the through hole and is electrically connected to the second adapter member;

The pole tabs include positive pole tabs and negative pole tabs with opposite electrical properties. One of the first adapter piece and the second adapter piece is electrically connected to the positive pole tab. The first adapter piece and the negative pole tab are electrically opposite. The other of the second adapter members is electrically connected to the negative electrode ear.
The battery according to claim 7, further comprising a first insulating member, the first insulating member is disposed in the cavity, and the first insulating member is located between the housing and the third Between the two adapter pieces, the first insulating piece is provided with a first insulating through hole;

The battery further includes a second insulating member, the second insulating member is disposed outside the housing, and the second insulating member is located between the housing and the conductive member, the second insulating member The component is provided with a second insulating through hole;

The first insulating through-hole, the second insulating through-hole and the through-hole are arranged correspondingly and communicate with each other.
The battery according to any one of claims 1 to 3, characterized in that the thickness of the first adapter is not less than the thickness of the shell, and the thickness of the first adapter is the same as the thickness of the shell. The difference between body thickness ranges from 0-2mm;

And/or, the thickness of the housing is not less than the thickness of the package, and the difference between the thickness of the housing and the thickness of the package ranges from 0 to 2 mm.
The battery according to claim 2 or 3, characterized in that the surface of the adapter protrusion on the side facing away from the cavity protrudes from the side wall surface of the housing;

The distance between the surface of the adapter protrusion on the side facing away from the cavity and the side wall surface of the housing ranges from 0.1 to 0.5 mm.
The battery according to claim 3, characterized in that the back side of the adapter protruding part The surface on the side away from the cavity is soldered and connected to the surface on the side of the package body close to the first through hole.
The battery according to claim 2 or 3, further comprising a sealing adhesive member disposed between the side wall of the adapter protrusion and the side wall of the housing. .
An electronic device, characterized in that it includes a device body and the battery according to any one of claims 1-12, the device body has a cavity, and the battery is arranged in the cavity;

The battery is electrically connected to the device body.