CN215265958U

CN215265958U - Super capacitor

Info

Publication number: CN215265958U
Application number: CN202121357545.XU
Authority: CN
Inventors: 张刚; 张帆; 钱陆明; 施鑫鑫; 严高飞
Original assignee: Zhongtian Chaorong Technology Co ltd
Current assignee: Zhongtian Chaorong Technology Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-12-21
Anticipated expiration: 2031-06-16

Abstract

The utility model provides a super capacitor includes the shell, electrode core package and seals the plug, the shell is the cavity casing, form and have the open-ended holding chamber, the electrode core package is arranged in the holding intracavity, the electrode core package includes anodal and negative pole, anodal and negative pole are connected with at least part external positive pole lead wire and the negative pole lead wire electricity outside the shell respectively, seal the plug and include the sealing plug and be fixed in the elasticity of sealing plug one end and support the portion of holding, the sealing plug seals in the opening, elasticity supports the portion of holding and supports and hold between electrode core package and sealing plug, elasticity supports the axial that the portion of holding can follow the electrode core package and stretches out and draws back. The elastic abutting part of the supercapacitor can stretch along the axial direction of the electrode core package, and the size difference between the electrode core package and the shell and the sealing plug is compensated through the stretching of the elastic abutting part, so that the elastic abutting part is suitable for the electrode core packages with different sizes, the electrode core package is prevented from shaking in the axial direction of the electrode core package, and the phenomena that the supercapacitor is damaged and the service life of the supercapacitor is shortened due to the shaking of the electrode core package are avoided.

Description

Super capacitor

Technical Field

The application relates to the field of energy storage, in particular to a super capacitor.

Background

The super capacitor is used as an energy storage element, is widely applied to the fields of energy, automobiles, medical treatment, health, electronics, military and the like, and has the characteristics of short charging time, long service life, good temperature characteristic, energy conservation and environmental protection. The super capacitor mainly comprises an aluminum shell, an electrode core package, a sealing rubber plug, an anode lead and a cathode lead. Although the electrode core package is limited in the aluminum shell through the sealing rubber plug, the size of the electrode core package is sometimes not exactly matched with that of the aluminum shell, so that the electrode core package is easy to shake in the aluminum shell, the supercapacitor is damaged, and the service life of the supercapacitor is shortened.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a super capacitor that prevents the electrode core from shaking in the aluminum case, so as to solve the above problems.

The utility model provides a super capacitor, includes shell, electrode core package and seals the plug, the shell is the cavity casing, forms and has the open-ended holding chamber, the electrode core package is arranged in the holding intracavity, the electrode core package includes anodal and negative pole, anodal and negative pole are connected with at least part external positive lead and the negative lead electricity outside the shell respectively, seal the plug and include the sealing plug and be fixed in the elasticity of sealing plug one end and support the portion of holding, the sealing plug seal in the opening, elasticity support the portion of holding support in between electrode core package and the sealing plug, elasticity support the portion of holding can follow the axial of electrode core package and stretch out and draw back.

Furthermore, the shell comprises a bottom shell and a side shell which is wound on the edge of the bottom shell through a fixing ring, the negative electrode lead is fixed on the outer side of the bottom shell, and the negative electrode of the electrode core package is fixedly connected with the inner side of the bottom shell.

Further, the negative electrode of the electrode core package is fixed with the bottom shell in a welding mode.

Further, the negative electrode of the electrode core package is positioned at one end far away from the sealing rubber plug.

Further, the positive electrode of the electrode core package is located at one end close to the sealing rubber plug, and the positive electrode lead penetrates through the sealing rubber plug and is partially placed outside the shell.

Furthermore, the elastic supporting part forms a through hole, the sealing plug forms a lead hole communicated with the through hole, the extending direction of the lead hole is consistent with the axial direction of the through hole, and the positive lead penetrates through the through hole and the lead hole and is partially positioned outside the shell.

Further, the sealing plug is circular, and the lead hole is a circular hole and is located at the center of the sealing plug.

Further, the size of the sealing plug is matched with that of the opening, and the size of the elastic abutting part is smaller than that of the opening.

Further, the shell is an aluminum shell.

Furthermore, the elastic abutting part is made of a plastic material with rebound resilience.

The elastic abutting part of the supercapacitor can stretch along the axial direction of the electrode core package, and the size difference between the electrode core package and the shell and the sealing plug is compensated through the stretching of the elastic abutting part, so that the elastic abutting part is suitable for the electrode core packages with different sizes, the electrode core package is prevented from shaking in the axial direction of the electrode core package, and the supercapacitor is prevented from being damaged and the service life of the supercapacitor is shortened due to the shaking of the electrode core package.

Drawings

Fig. 1 is a schematic diagram of a supercapacitor provided in the present application.

Fig. 2 is a schematic view of the housing of fig. 1.

Fig. 3 is a first-direction perspective view of the sealing rubber plug in fig. 1.

Fig. 4 is a second-direction perspective view of the sealing rubber plug in fig. 3.

Fig. 5 is a schematic cross-sectional view of the sealing plug in fig. 3.

Description of the main elements

The following detailed description will further illustrate the present application in conjunction with the above-described figures.

Detailed Description

In order to make the aforementioned objects, features and advantages of the embodiments of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and detailed description. In addition, the features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth to provide a thorough understanding of embodiments of the invention, and the described embodiments are merely some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the scope protected by the embodiments of the present invention.

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 embodiments of the present invention belong. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of embodiments of the invention.

Referring to fig. 1 to 5, a super capacitor 100 is provided for storing energy to be applied to a device for supplying power to the device.

The super capacitor 100 includes a housing 10, an electrode core package 20 and a sealing rubber plug 30. The housing 10 is a hollow shell, and forms an accommodating cavity 12 with an opening 11. The electrode core package 20 is disposed in the accommodating cavity 12 of the housing 10, the electrode core package 20 includes a positive electrode 21 and a negative electrode 22, and the positive electrode 21 and the negative electrode 22 are electrically connected to a positive lead 40 and a negative lead 50, which are at least partially disposed outside the housing 10. The sealing rubber plug 30 includes a sealing plug 31 and an elastic supporting portion 32 fixed to one end of the sealing plug 31. The sealing plug 31 is sealed in the opening 11, and the elastic abutting portion 32 passes through the opening 11 and abuts between the electrode core package 20 and the sealing plug 31. The elastic supporting portion 32 can extend and retract along the axial direction of the electrode core package 20, and is used for adapting to electrode core packages 20 with different sizes, so that the electrode core package 20 is prevented from shaking in the axial direction of the electrode core package 20, the super capacitor 100 is prevented from being damaged due to the shaking of the electrode core package 20, and the service life of the super capacitor 100 is shortened.

Specifically, the housing 10 is an aluminum housing, and includes a bottom shell 13 and a side shell 14 fixedly surrounding an edge of the bottom shell 13. The negative lead 50 is fixed on the outer side of the bottom case 13, and the negative 22 of the electrode core package 20 is fixedly connected with the inner side of the bottom case 13, so that the negative 22 of the electrode core package 20 is electrically connected with the negative lead 50. In one embodiment, the negative electrode 22 of the electrode core package 20 is located at an end away from the sealing rubber plug 30, and the negative electrode 22 of the electrode core package 20 and the bottom case 13 are fixed by welding.

The positive electrode 21 of the electrode core package 20 is located at one end close to the sealing rubber plug 30, and the positive electrode lead 40 is partially disposed outside the casing 10 through the sealing rubber plug 30. The positive electrode 21 of the electrode core package 20 and the positive electrode lead 40 are fixed by riveting or welding the positive electrode 21 of the electrode core package 20 and the positive electrode lead 40.

The elastic support portion 32 is made of a resilient plastic material. The elastic support portion 32 forms a through hole 33. The sealing plug 31 forms a lead hole 34 communicating with the through hole 33, and the lead hole 34 extends in the same direction as the axial direction of the through hole 33. The positive electrode lead 40 is partially located outside the case 10 through the through hole 33 and the lead hole 34. In one embodiment, the sealing plug 31 is circular, and the lead hole 34 is a circular hole and is located at the center of the sealing plug 31. The size of the sealing plug 31 is matched with that of the opening 11, so that the sealing plug 31 can seal the opening 11, and the size of the elastic abutting part 32 is smaller than that of the opening 11, so that the elastic abutting part 32 can be conveniently placed in the accommodating cavity 12 through the opening 11.

The elastic abutting portion 32 of the supercapacitor 100 can extend and retract along the axial direction of the electrode core package 20, and the size difference between the electrode core package 20 and the housing 10 and the sealing plug 31 is compensated through the extension and retraction of the elastic abutting portion 32, so that the elastic abutting portion is suitable for electrode core packages 20 with different sizes, the electrode core package 20 is prevented from shaking in the axial direction of the electrode core package 20, the supercapacitor 100 is prevented from being damaged due to the shaking of the electrode core package 20, and the service life of the supercapacitor 100 is shortened.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present application and are not to be taken as limiting the present application, and that suitable changes and modifications of the above embodiments are within the scope of the disclosure claimed in the present application as long as they are within the spirit and scope of the present application.

Claims

1. The utility model provides a super capacitor, includes shell, electrode core package and seals the plug, the shell is the cavity casing, forms to have open-ended holding chamber, its characterized in that: the electrode core package is arranged in the accommodating cavity and comprises an anode and a cathode, the anode and the cathode are respectively and electrically connected with at least part of an anode lead and a cathode lead which are arranged outside the shell, the sealing rubber plug comprises a sealing plug and an elastic abutting part fixed at one end of the sealing plug, the sealing plug is sealed in the opening, the elastic abutting part abuts between the electrode core package and the sealing plug, and the elastic abutting part can stretch out and draw back along the axial direction of the electrode core package.

2. The supercapacitor of claim 1, wherein: the shell comprises a bottom shell and a side shell, wherein the side shell is formed by winding a fixing ring on the edge of the bottom shell, the negative electrode lead is fixed on the outer side of the bottom shell, and the negative electrode of the electrode core package is fixedly connected with the inner side of the bottom shell.

3. The supercapacitor of claim 2, wherein: and the negative electrode of the electrode core package is fixed with the bottom shell in a welding mode.

4. The supercapacitor of claim 2, wherein: the negative electrode of the electrode core bag is positioned at one end far away from the sealing rubber plug.

5. The ultracapacitor of claim 4, wherein: the positive pole of electrode core package is located near the one end of sealing the plug, anodal lead wire passes the plug of sealing is partly arranged in outside the shell.

6. The ultracapacitor of claim 5, wherein: the elastic abutting portion is provided with a through hole, the sealing plug is provided with a lead hole communicated with the through hole, the extending direction of the lead hole is consistent with the axial direction of the through hole, and the anode lead penetrates through the through hole and the lead hole and is partially positioned outside the shell.

7. The ultracapacitor of claim 6, wherein: the sealing plug is circular, and the lead wire hole is a round hole and is located at the center of the sealing plug.

8. The ultracapacitor of claim 6, wherein: the size of the sealing plug is matched with that of the opening, and the size of the elastic abutting part is smaller than that of the opening.

9. The supercapacitor of claim 1, wherein: the shell is an aluminum shell.

10. The supercapacitor of claim 1, wherein: the elastic supporting part is made of a plastic material with rebound resilience.