CN218039505U

CN218039505U - Battery and electronic equipment

Info

Publication number: CN218039505U
Application number: CN202222343359.1U
Authority: CN
Inventors: 卫志达; 王智峰; 谢继春; 李析隆
Original assignee: Zhuhai Cosmx Battery Co Ltd
Current assignee: Zhuhai Cosmx Battery Co Ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-12-13
Anticipated expiration: 2032-08-31

Abstract

The application provides a battery and electronic equipment, relates to the technical field of batteries, and aims to solve the problems of poor sealing performance and poor reliability of a packaging mode of the battery in the related technology; a portion of the package is connected to the interposer in the first connection region and the remainder of the package is connected to the housing. The packaging part of this application can play the effect of dodging to first connecting point to ensure that the packaging part can be good connection on the casing, solved the influence of first connecting point to the sealed effect of battery, and then be favorable to improving the leakproofness and the reliability of battery, promote the quality of battery, extension battery life.

Description

Battery and electronic device

Technical Field

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

Background

The battery has the advantages of light weight, high safety, high energy density and the like, so that the battery becomes the first choice of most of electronic equipment, the electronic equipment comprises an equipment body, the battery is assembled in the equipment body, and the battery is electrically connected with the equipment body and provides an energy source for the equipment body.

In the use, the leakproofness of battery is crucial, and the battery includes casing, switching piece and closing plate, and the casing has the cavity, has seted up on the casing and has annotated the liquid mouth, and during electrolyte was annotated the liquid mouth and is poured into the cavity into, the switching piece was located the cavity and is linked to each other with utmost point ear to realize the electricity of battery and external circuit and be connected. Wherein, the switching piece welding is on the casing, and the solder joint forms in the mouth border position department of annotating the liquid mouth, and the cap liner encapsulation is on annotating the liquid mouth.

However, the above-described packaging method is inferior in both the sealing property and the reliability of the battery.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one problem mentioned in the background art, the embodiment of the application provides a battery and an electronic device, and the avoidance area can play the role of avoiding the first connecting point, thereby ensuring that the packaging part can be well connected to the shell, solving the influence of the first connecting point on the sealing effect of the battery, further being beneficial to improving the sealing performance and reliability of the battery, improving the quality of the battery and prolonging the service life of the battery.

In order to achieve the above object, a first aspect of embodiments of the present application provides a battery, including a housing, an interposer, and an encapsulation, where the housing has a cavity;

the adapter is positioned in the cavity and connected with the shell, and a first connecting area is formed between the adapter and the shell;

the package is located outside the housing, and a portion of the package is connected to the interposer located in the first connection region, and a remaining portion of the package is connected to the housing.

In the above battery, optionally, the casing is provided with a first liquid injection hole, and the first liquid injection hole communicates the cavity and the outside;

the packaging part is provided with a second liquid injection hole penetrating through the thickness of the packaging part, the adapter part is provided with a third liquid injection hole penetrating through the thickness of the adapter part, and the first liquid injection hole, the second liquid injection hole and the third liquid injection hole are correspondingly arranged and are communicated with each other.

In the above battery, optionally, the package member has a relief area, and the relief area is located at a hole edge position of the second liquid injection hole, which is close to the casing side;

the adapter piece positioned in the first connecting area is connected with the packaging piece positioned in the avoiding area, and the rest surfaces of the packaging piece except the surface corresponding to the avoiding area are connected with the outer wall surface of the shell.

In the above battery, optionally, the package member includes a package flat portion and a package projection, and at least a part of the package projection is disposed on a surface of the package member on a side away from the case;

the avoiding area is located between the packaging protruding portion far away from the surface of one side of the shell and the outer wall surface of the shell, and the packaging plane portion is connected with the outer wall surface of the shell.

In the above battery, optionally, the encapsulation protrusion includes a first encapsulation protrusion and a second encapsulation protrusion;

the first packaging bulge is arranged on the surface of the packaging part far away from one side of the shell, the second packaging bulge is arranged on the surface of the packaging part close to one side of the shell, the avoiding area is formed between the first packaging bulge and the outer wall surface of the shell, the second packaging bulge penetrates through the first liquid injection hole and the third liquid injection hole, and at least part of the second packaging bulge is positioned in the cavity;

and a second connecting area is arranged between the packaging piece and the shell, and the second connecting area is close to the outer periphery of the first packaging bulge.

In the above battery, optionally, the battery further includes a battery cell module, where the battery cell module is located in the cavity;

the battery cell module is electrically connected with the adapter, and the battery cell module is connected with the shell through the adapter.

In the above battery, optionally, the battery cell module includes a battery cell body and a tab assembly, and the tab assembly is connected to the battery cell body;

the lug assembly is electrically connected with the adapter, and the lug assembly is connected with the shell through the adapter.

In the above battery, optionally, the tab assembly includes a tab and a tab connector, the tab is connected to the cell body, and the tab connector is connected to the tab;

the lug connecting piece is electrically connected with the adapter piece, and the lug connecting piece is connected with the shell through the adapter piece.

In the above battery, optionally, the tab connector includes a first connecting portion and a second connecting portion, the first connecting portion is connected to the tab, and the second connecting portion extends toward the adaptor and is connected to the adaptor;

the extending direction of the first connecting part is perpendicular to the extending direction of the second connecting part.

In the above battery, optionally, the adaptor includes a first adaptor portion and a second adaptor portion, the first adaptor portion is connected to the casing, the third liquid injection hole is formed in the first adaptor portion, and the second adaptor portion extends toward the tab connector and is connected to the second connector portion;

the extending direction of the first adapter part is perpendicular to the extending direction of the second adapter part.

In the above battery, optionally, an avoiding groove is provided on the package member, the avoiding groove forms the avoiding region, the avoiding groove is a circular groove, the inner diameter of the avoiding groove is not less than 0.5mm, and/or the groove depth of the avoiding groove is not less than 0.5mm.

The second aspect of the embodiment of the present application further provides an electronic device, which includes a device body and the above battery, where the device body has an accommodating cavity, and the battery is disposed in the accommodating cavity;

the battery is electrically connected with the device body.

The battery and the electronic equipment provided by the application comprise a shell, wherein the shell is provided with a cavity, the adapter is positioned in the cavity, meanwhile, the cavity can contain the battery cell module, and the cavity can play a role in protecting the adapter and the battery cell module; through including the packaging part, some of packaging part links to each other with the adaptor that is located first connection region, the rest of packaging part links to each other with the casing, thereby can play the effect of dodging to first connecting point, avoid when the encapsulation, when packaging part and first connecting point contact, lead to producing the clearance between the outer wall of other regions of packaging part and casing easily, and then lead to the relatively poor problem of sealed effect of battery, thereby ensure that the connection that the packaging part can be good is on the casing, the influence of first connecting point to the sealed effect of battery has been solved, and then be favorable to improving the leakproofness and the reliability of battery, promote the quality of battery, the life of extension battery.

In addition to the technical problems solved by the embodiments of the present application, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems that the battery and the electronic device provided by the embodiments of the present application can solve, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail in the detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following descriptions are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

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

fig. 2 is an exploded schematic view of a battery provided in an embodiment of the present application;

fig. 3 is a schematic structural diagram of a package, an interposer, a first connection region and a second connection region of a battery according to an embodiment of the present disclosure;

fig. 4 is a cross-sectional view of a battery provided in accordance with an embodiment of the present disclosure after the interposer, the package, and the bypass area are packaged;

fig. 5 is a first schematic structural diagram of a package of a battery according to an embodiment of the present disclosure;

fig. 6 is a second schematic structural diagram of a package of a battery according to an embodiment of the present disclosure;

fig. 7 is a cross-sectional view of a cell module of a battery provided in an embodiment of the present application;

fig. 8 is a schematic structural diagram of a package of a battery according to an embodiment of the present disclosure.

Description of reference numerals:

100-a battery; 110-a housing; 111-a cavity;

112-first liquid injection hole; 113-a first connection region; 120-an adaptor;

121-a third liquid injection hole; 122 — a first transition portion; 123-a second transfer part;

130-a package; 131-a second liquid injection hole; 132-an avoidance zone;

133-package flat; 134-package projection; 1341-a first encapsulation projection;

13411-a second connecting region; 1342-a second encapsulating projection; 140-a cell module;

141-a cell body; 142-a tab assembly; 1421-tab;

1422-tab connectors; 14221-first connection; 14222 — second connection.

Detailed Description

The battery mainly comprises a shell, a switching piece and a sealing piece, wherein the shell is provided with a cavity, a liquid injection port is formed in the shell, electrolyte is injected into the cavity through the liquid injection port to ensure that the positive electrode lug and the negative electrode lug of the battery are electrically connected, and the switching piece is positioned in the cavity and connected with the electrode lug to realize the electrical connection of the battery and an external circuit. Wherein, the switching piece mainly adopts the welded mode encapsulation on the casing, and is same, and the cap liner also mainly adopts the welded mode encapsulation on the casing.

Wherein, the switching piece among the correlation technique is when the welding, the solder joint forms in the mouth edge position department of annotating the liquid mouth, and the solder joint is a plurality of archs, a plurality of protruding intervals and the surrounding formation are at the mouth edge of annotating the liquid mouth, the closing plate is flat, like this at the in-process of encapsulation, flat closing plate can with solder joint direct contact, can produce the clearance between the outer wall of other regions of making the closing plate and casing, thereby easily lead to the problem of electrolyte in the cavity from the weeping in the clearance, and then lead to the sealed effect and the reliability of battery all relatively poor.

In order to solve the technical problems, the application provides a battery and an electronic device, the battery and the electronic device comprise a shell, the shell is provided with a cavity, an adapter is positioned in the cavity, meanwhile, the cavity can accommodate a battery cell module, and the shell can play a role in protecting the adapter and the battery cell module; through including the packaging part, a part of packaging part links to each other with the adaptor that is located first joining region, the rest of packaging part links to each other with the casing, thereby can play the effect of dodging to first joining point, avoid when the encapsulation, when packaging part and first joining point contact, lead to producing the clearance between the outer wall of other regions of packaging part and casing easily, and then lead to the relatively poor problem of sealed effect of battery, thereby ensure that the connection that the packaging part can be good on the casing, the influence of first joining point to the sealed effect of battery has been solved, and then be favorable to improving the leakproofness and the reliability of battery, promote the quality of battery, the life of extension battery.

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

Fig. 1 is a schematic structural diagram of a battery provided in an embodiment of the present application, fig. 2 is an exploded schematic structural diagram of the battery provided in the embodiment of the present application, fig. 3 is a schematic structural diagram of a package member, an interposer, a first connection region, and a second connection region of the battery provided in the embodiment of the present application, fig. 4 is a cross-sectional diagram of the battery provided in the embodiment of the present application after the interposer, the package member, and an avoidance region are packaged, fig. 5 is a first structural diagram of the package member of the battery provided in the embodiment of the present application, fig. 6 is a second structural diagram of the package member of the battery provided in the embodiment of the present application, fig. 7 is a cross-sectional diagram of a battery cell module of the battery provided in the embodiment of the present application, and fig. 8 is a schematic structural diagram of the package member of the battery provided in the embodiment of the present application.

Example one

Referring to fig. 1 and 2, an embodiment of the present application provides a battery 100, including a housing 110, an adaptor 120, and a package member 130, where the housing 110 has a cavity 111, the housing 110 has a first liquid injection hole 112, and the first liquid injection hole 112 communicates with the cavity 111 and the outside, where the cavity 111 can protect the adaptor 120.

With continued reference to fig. 2 and 3, the adapter 120 is located in the cavity 111 and connected to the housing 110, a first connection region 113 is located between the adapter 120 and the housing 110, the first connection region 113 is located near the hole edge of the first liquid injection hole 112, and the first connection region 113 has a first connection point thereon.

It should be noted that, in this embodiment, the connection manner between the adaptor 120 and the housing 110 is not further limited, for example: the adaptor 120 and the housing 110 may be connected by welding, the first connection region 113 may be a first welding region, and the first connection point may be a first welding point, or the adaptor 120 and the housing 110 may be connected by bonding or other methods, and in this embodiment, the connection between the adaptor 120 and the housing 110 by welding is specifically exemplified.

Specifically, the method may adopt ultrasonic welding, laser welding, riveting, current energy storage welding, current welding or spot welding, which is not further limited in this embodiment.

With continued reference to fig. 2, the package member 130 is located outside the casing 110, the package member 130 is provided with a second liquid injection hole 131, the second liquid injection hole 131 penetrates through the package member 130 along the thickness direction of the package member 130, the adapter member 120 is provided with a third liquid injection hole 121, the third liquid injection hole 121 penetrates through the adapter member 120 along the thickness direction of the adapter member 120, and the first liquid injection hole 112, the second liquid injection hole 131 and the third liquid injection hole 121 are correspondingly arranged and are communicated with each other.

By arranging the first liquid inlet 112, the second liquid inlet 131 and the third liquid inlet 121 to correspond to and communicate with each other, the electrolyte can be injected into the cavity 111 through the liquid inlets in sequence, so as to ensure the electrical connection between the positive electrode tab and the negative electrode tab of the battery 100.

Referring to fig. 4, the package member 130 has a bypass area 132, the bypass area 132 is located at a hole edge position of the second liquid injection hole 131 close to the side of the casing 110, the adapter member 120 located in the first connection area 113 is connected to the package member 130 located in the bypass area 132 in a fitting manner, that is, the first connection point is connected to the bypass area 132 in a fitting manner, and the remaining surfaces of the package member 130 except the surface corresponding to the bypass area 132 are connected to the outer wall surface of the casing 110.

Like this, dodge district 132 can play the effect of dodging to first connecting point, avoided when the encapsulation, when encapsulation 130 and first connecting point contact, lead to easily producing the clearance between other regions of encapsulation 130 and the outer wall of casing 110, and then lead to the relatively poor problem of sealed effect of battery 100, consequently, the influence of first connecting point to the sealed effect of battery 100 has been solved, the leakproofness and the reliability of battery 100 have been improved, the quality of battery 100 has been promoted, the life of battery 100 has been prolonged.

In one implementation, referring to fig. 4, the package 130 may include a package plane 133 and a package protrusion 134, and at least a portion of the package protrusion 134 is disposed on a surface of the package 130 on a side away from the housing 110. The escape area 132 is located between the packing protrusion 134 on the surface away from the casing 110 and the outer wall surface of the casing 110, and the packing plane 133 is connected to the outer wall surface of the casing 110.

By including the package plane portion 133, the package plane portion 133 is located outside the housing 110, and thus in the process of packaging, the package plane portion 133 is connected to the outer wall surface of the housing 110, and the package area of the package method is large, the package range is wide, and it is further ensured that the sealing performance and the reliability of the battery 100 are both good.

By including the encapsulating protrusion 134, at least a part of the encapsulating protrusion 134 is disposed on the surface of the encapsulating member 130 far from the casing 110, so that the avoiding region 132 is formed between the encapsulating protrusion 134 and the outer wall surface of the casing 110, and the encapsulation of the encapsulating plane 133 is not affected, thereby avoiding the problem of generating a gap between the encapsulating plane 133 and the outer wall surface of the casing 110.

In one implementation, referring to fig. 4-6, the encapsulation protrusion 134 can include a first encapsulation protrusion 1341 and a second encapsulation protrusion 1342.

The first encapsulating protrusion 1341 is disposed on a surface of the encapsulating member 130 at a side far from the casing 110, and the second encapsulating protrusion 1342 is disposed on a surface of the encapsulating member 130 at a side close to the casing 110.

Referring to fig. 4, the avoiding region 132 is located between the first encapsulating protrusion 1341 and the outer wall surface of the casing 110, the second encapsulating protrusion 1342 penetrates through the first injection hole 112 and the third injection hole 121, and at least a part of the second encapsulating protrusion 1342 is located in the cavity 111.

Wherein, the positioning of at least part of the second encapsulating protrusion 1342 in the cavity 111 specifically means: the second sealing protrusion 1342 may completely penetrate the first injection hole 112 and the third injection hole 121 and be completely located in the cavity 111, or the second sealing protrusion 1342 may partially penetrate the first injection hole 112 and the third injection hole 121 and be partially located in the cavity 111, which is not limited in this embodiment.

By providing the first encapsulating protrusion 1341, the avoiding region 132 is formed between the first encapsulating protrusion 1341 and the outer wall surface of the housing 110, and the encapsulation of the encapsulating plane 133 is not affected, so that the gap between the encapsulating plane 133 and the outer wall surface of the housing 110 is further prevented.

By arranging the second encapsulating protrusion 1342, the second encapsulating protrusion 1342 sequentially penetrates through the liquid injection hole, on one hand, the second encapsulating protrusion 1342 can position the encapsulation between the casing 110 and the encapsulating piece 130 and the encapsulation between the casing 110 and the adaptor 120; on the other hand, alignment between the housing 110 and the package 130 and alignment between the housing 110 and the interposer 120 are facilitated, thereby greatly improving the packaging stability between the housing 110 and the package 130 and the packaging stability between the housing 110 and the interposer 120.

Referring to fig. 3, a second connection region 13411 is formed between the package 130 and the housing 110, the second connection region 13411 is near the outer periphery of the first package protrusion 1341, and the second connection region 13411 has a second connection point thereon.

In this embodiment, the connection manner between the package 130 and the housing 110 is not further limited, for example: the package 130 and the housing 110 may be connected by welding, the second connection region 13411 may be a second welding region, and the second connection point may be a second welding point, or the package 130 and the housing 110 may be connected by bonding or other methods, and in this embodiment, the connection between the package 130 and the housing 110 by welding is specifically exemplified.

Specifically, the method may adopt ultrasonic welding, laser welding, riveting, current energy storage welding, current welding, spot welding, or the like, which is not further limited in this embodiment.

In a mode that can be realized, see fig. 2, fig. 4 and fig. 7, still include battery module 140, battery module 140 is located cavity 111, and wherein, battery module 140 is connected with adaptor 120 electricity, and battery module 140 passes through adaptor 120 and links to each other with casing 110.

By including the cell module 140 and electrically connecting the cell module 140 to the adaptor 120, electrical connection between the battery 100 and an external circuit can be achieved.

In an implementation manner, referring to fig. 2, the battery cell module 140 includes a battery cell body 141 and a tab assembly 142, where the tab assembly 142 is connected to the battery cell body 141, the adaptor 120 is connected to the tab assembly 142, and the tab assembly 142 is connected to the casing 110 through the adaptor 120.

Specifically, referring to fig. 2, the tab assembly 142 includes a tab 1421 and a tab connector 1422, wherein the tab 1421 is connected to the cell body 141, the tab connector 1422 is connected to the tab 1421, the adaptor 120 is connected to the tab connector 1422, and the tab connector 1422 is connected to the casing 110 through the adaptor 120.

It should be noted that the battery 100 is divided into positive and negative electrodes, the tabs 1421 are metal conductors for leading the positive and negative electrodes out of the cell body 141, and the tabs 1421 include positive and negative tabs with opposite electrical properties, the positive tab is connected to the positive electrode of the battery 100, and the negative tab is connected to the negative electrode of the battery 100.

In addition, the tab 1421 may be welded to the cell body 141 by welding, for example: ultrasonic welding, laser welding, riveting, current energy storage welding, current welding or spot welding and other modes can be adopted, or the tab 1421 can also be arranged on the cell body 141 in other modes, which is not further limited in this embodiment.

By providing the tab 1421, one end of the adaptor 120 is connected to the positive tab (or the negative tab) through the tab connector 1422, and the other end is connected to the positive cover (or the negative cover) of the casing 110, so as to realize the adaptor between the cell body 141 and the electrode on the casing 110.

In addition, it should be noted that the tab 1421 in this embodiment is a soft tab, and the connection effect between the tab 1421 and the adaptor 120 is poor, so that by including the tab connecting piece 1422, the tab connecting piece 1422 is a hard tab, and the hard tab and the soft tab are made of the same material, and the tab connecting piece 1422 is used as an intermediate component between the tab 1421 and the adaptor 120, it is able to ensure good contact connection between the tab 1421 and the adaptor 120, thereby ensuring electrical connection between the tab 1421 and the adaptor 120.

Similarly, two tab connectors 1422 are provided, wherein one tab connector 1422 is connected to the positive tab, and the two tab connectors are made of the same material; the other tab connector 1422 is connected to the negative tab, and the two are made of the same material.

In one manner that can be achieved, as shown in fig. 2, the tab connection member 1422 may include a first connection part 14221 and a second connection part 14222.

The first connecting portion 14221 is connected to the tab 1421, and the second connecting portion 14222 extends toward the adaptor 120 and is connected to the adaptor 120. The extending direction of the first connecting portion 14221 is perpendicular to the extending direction of the second connecting portion 14222.

With this arrangement, good contact connection between the tab 1421 and the adaptor 120 can be ensured, so as to ensure electrical connection between the tab 1421 and the adaptor 120, and in addition, the extending direction of the first connecting portion 14221 and the extending direction of the second connecting portion 14222 are perpendicular, so as to be convenient for adapting to the structure of the adaptor 120.

In one possible implementation, referring to fig. 2, the adaptor 120 may include a first adaptor portion 122 and a second adaptor portion 123.

The first adapter 122 is connected to the housing 110, the third injection hole 121 is formed in the first adapter 122, the second adapter 123 extends toward the tab connector 1422, and the second connecting portion 14222 is connected to the second adapter 123.

And the extending direction of the first adapting portion 122 is perpendicular to the extending direction of the second adapting portion 123.

With this arrangement, good contact connection between the adaptor member 120 and the tab connecting member 1422 can be ensured, thereby ensuring electrical connection between the tab 1421 and the adaptor member 120, and in addition, the extending direction of the first connecting portion 14221 and the extending direction of the second connecting portion 14222 are set to be perpendicular, which is also convenient for being matched with the structure of the tab connecting member 1422.

In one implementation, an avoiding groove is formed on the package member 130 to form the avoiding region 132, wherein the avoiding groove may be a circular groove, which facilitates the engagement connection with the first connection point. In addition, the avoidance groove in the present embodiment is a blind groove, that is, the avoidance groove is not a through groove.

Referring to fig. 8, the inner diameter of the evasion groove is not less than 0.5mm, and may be d, where d may be 0.5mm, 0.6mm, 0.7mm, or any value greater than 0.5mm. In addition, the groove depth of the avoidance groove may be not less than 0.5mm, and illustratively, the groove depth of the avoidance groove may be h, where h may be 0.5mm, 0.6mm, 0.7mm, or any value greater than 0.5mm.

It should be noted that, in this embodiment, the inner diameter and the groove depth of the avoiding groove are not further limited, and may be specifically set according to actual situations.

Through prescribing to the internal diameter and the groove depth of dodging the groove, can ensure that first connecting point complete gomphosis is connected in dodging the groove to play the effect of dodging to first connecting point, avoided when the encapsulation, when encapsulation 130 and first connecting point contact, lead to easily producing the clearance between other regions of encapsulation 130 and the outer wall of casing 110, and then lead to the relatively poor problem of sealed effect of battery 100.

Example two

On the basis of the first embodiment, the embodiment of the present application further provides an electronic device, which includes a device body and the battery 100 described above, where the device body has an accommodating cavity, and the battery 100 is disposed in the accommodating cavity. The battery 100 is electrically connected to the device body and configured to supply electric power to the device body.

It should be noted that the device body in this embodiment may be a housing of the device, and in addition, the electronic device may be a wearable electronic device, for example: can be a watch, a mobile phone, a sports bracelet and the like; alternatively, the electronic device may be other electronic products; alternatively, the battery 100 may be other electronic devices to which the battery is applied.

Other technical features are the same as those of the first embodiment and can achieve the same technical effects, and are not described in detail herein.

According to the battery 100 and the electronic device provided by the application, the shell 110 is provided with the cavity 111, the adaptor 120 is located in the cavity 111, meanwhile, the cavity 111 can accommodate the battery cell module 140, and the shell 110 can play a role in protecting the adaptor 120; electrolyte can be injected into the cavity 111 through the liquid injection holes by forming the first liquid injection hole 112, the second liquid injection hole 131 and the third liquid injection hole 121, wherein the first liquid injection hole 112, the second liquid injection hole 131 and the third liquid injection hole 121 are correspondingly arranged and are communicated with each other, so that the electrical connection between the positive electrode tab and the negative electrode tab of the battery 100 is ensured; through including packaging part 130, have on packaging part 130 and dodge district 132, first connecting point inlays to be established in dodging district 132, thus, dodging district 132 can play the effect of dodging to first connecting point, avoided when the encapsulation, when packaging part 130 and first connecting point contact, lead to easily producing the clearance between other regions of packaging part 130 and the outer wall of casing 110, and then lead to the relatively poor problem of battery 100's sealed effect, thereby the influence of first connecting point to battery 100 sealed effect has been solved, the leakproofness and the reliability of battery 100 have been improved, the quality of battery 100 has been promoted, the life of battery 100 has been prolonged.

In the description of the present application, it is to be understood that the terms "center", "length", "width", "thickness", "top", "bottom", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "axial", "circumferential", and the like, as used herein, indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the position or element so referred to must have a particular orientation, be of particular construction and operation, and thus should not be considered as limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, releasably connected, or integral; may be mechanically coupled, may be electrically coupled, or may be in communication with each other; either directly or indirectly through intervening media, such as through internal communication or through an interaction between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A battery comprising a housing, an interposer, and an enclosure, the housing having a cavity;

the adapter is positioned in the cavity and connected with the shell, and a first connection area is formed between the adapter and the shell;

2. The battery of claim 1, wherein the case is provided with a first liquid injection hole, and the first liquid injection hole is communicated with the cavity and the outside;

the packaging piece is provided with a second liquid injection hole penetrating through the thickness of the packaging piece, and the adapter piece is provided with a third liquid injection hole penetrating through the thickness of the adapter piece;

and the first liquid injection hole, the second liquid injection hole and the third liquid injection hole are correspondingly arranged and communicated with each other.

3. The battery of claim 2, wherein the package member has a relief area on it, the relief area being located at a hole edge position of the second pour hole near the case side;

4. The battery of claim 3, wherein the package comprises a package flat portion and a package projection, at least a portion of the package projection being disposed on a surface of the package away from the case;

the avoiding area is located far away from the surface of one side of the shell and between the packaging protruding part and the outer wall surface of the shell, and the packaging plane part is connected with the outer wall surface of the shell.

5. The battery of claim 4, wherein the encapsulation protrusion comprises a first encapsulation protrusion and a second encapsulation protrusion;

the first packaging bulge is arranged on the surface of the packaging part at the side far away from the shell, and the second packaging bulge is arranged on the surface of the packaging part at the side close to the shell;

the avoiding area is positioned between the first packaging protruding part and the outer wall surface of the shell, the second packaging protruding part penetrates through the first liquid injection hole and the third liquid injection hole, and at least part of the second packaging protruding part is positioned in the cavity;

and a second connecting area is arranged between the packaging piece and the shell and is close to the outer periphery of the first packaging bulge.

6. The battery of any of claims 2-5, further comprising a cell module, the cell module being located in the cavity;

7. The battery of claim 6, wherein the cell module comprises a cell body and a tab assembly;

the lug assembly is connected to the battery cell body, and the adapter is connected to the lug assembly;

the pole lug assembly is connected with the shell through the adapter.

8. The battery of claim 7 wherein the tab assembly includes a tab and a tab connector;

the lug is connected to the battery cell body, the lug connecting piece is connected to the lug, and the adapter is connected to the lug connecting piece;

the lug connecting piece is connected with the shell through the adapter piece.

9. The battery of claim 8 wherein the tab connector includes a first connection portion and a second connection portion;

the first connecting part is connected to the lug, and the second connecting part extends towards the direction of the adapter and is connected with the adapter;

10. The battery of claim 9, wherein the adapter includes a first adapter portion and a second adapter portion;

the first switching part is connected with the shell, the third liquid injection hole is formed in the first switching part, and the second switching part extends towards the direction of the lug connecting piece and is connected with the second connecting part;

11. The battery according to any one of claims 3 to 5, wherein an avoidance groove is provided on the packaging member, the avoidance groove forming the avoidance region;

the avoidance groove is a circular groove, the inner diameter of the avoidance groove is not less than 0.5mm, and/or the groove depth of the avoidance groove is not less than 0.5mm.

12. An electronic device comprising a device body having a housing cavity and the battery of any one of claims 1-11, the battery being disposed in the housing cavity;

the battery is electrically connected with the device body.