CN217158561U

CN217158561U - Energy storage device with high volume utilization rate

Info

Publication number: CN217158561U
Application number: CN202221033672.9U
Authority: CN
Inventors: 林俊志
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-09
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses an energy storage device that volume utilization is big, including electric core, casing, electrode piece, electric core is installed the inside of casing, electrode piece is installed the side of casing, electrode piece includes end cover, confluence piece and sealing plug, the one side laminating of confluence piece the electricity core is installed, the another side laminating of confluence piece the end cover installation, confluence piece has been seted up and has been annotated the liquid hole, the through-hole has been seted up to the end cover, annotate the liquid hole with the through-hole runs through each other, the sealing plug is installed annotate the liquid hole with in the through-hole. The utility model discloses electrode piece thickness is thin, the accuracy is good, has increased the effective volume of electric core, improves the capacity of battery.

Description

Energy storage device with high volume utilization rate

Technical Field

The utility model belongs to the technical field of energy storage component, especially, relate to an energy storage device that volume utilization ratio is big.

Background

Batteries or supercapacitors are widely used as energy storage devices in the fields of industry, energy, military and the like. The electrode leading-out part mainly plays a role in connecting the internal core body with external equipment, and is used as a key link of connection, and the electrode leading-out structure adopted by the electrode leading-out part not only has important influence on the resistance of the energy storage device, but also is important for the stability, reliability and service life of the single body. In the prior art, the electrode leading-out structure is not simplified enough, the occupied space of the battery is large, the effective volume of the battery during liquid injection is small, and the improvement can be further made.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy storage device that volume utilization is big aims at solving the problem that exists among the background art. For realizing the purpose, the utility model discloses a technical scheme be:

the utility model provides an energy storage device that volume utilization is big, includes electric core, casing, electrode piece, electric core installs the inside of casing, electrode piece installs the side of casing, electrode piece includes end cover, confluence piece and sealing plug, the one side laminating of confluence piece the electricity core installation, the another side laminating of confluence piece the end cover installation, the confluence piece has been seted up and has been annotated the liquid hole, the through-hole has been seted up to the end cover, annotate the liquid hole with the through-hole runs through each other, the sealing plug is installed annotate the liquid hole with in the through-hole.

Preferably, the confluence sheet faces one side of the end cover and is provided with a fixing column, the fixing column is installed in the through hole, and the liquid injection hole is formed in the middle of the fixing column.

Preferably, the outer side wall of the shell is recessed to form a positioning groove.

More preferably, the medial surface middle part protrusion of end cover forms the laminating position, the laminating of laminating position the piece installation of converging, the lateral surface middle part of end cover is equipped with sealed position, the through-hole is seted up sealed position's middle part.

Preferably, the sealing plug is provided with a sealing nail and a metal sealing sheet, the through hole is provided with a sealing sheet groove, the sealing nail is installed in the liquid injection hole, and the metal sealing sheet is installed in the sealing sheet groove.

In another embodiment, the sealing plug is provided with a sealing nail and a metal sealing column, the middle of the sealing position protrudes to form a sealing column mounting position, a sealing column groove is formed in the sealing column mounting position, the sealing nail is embedded in the liquid injection hole for mounting, the metal sealing column is mounted in the sealing column groove, and the metal sealing column is in a circular truncated cone shape.

The utility model has the advantages that:

the utility model discloses can pour into the electrolyte of maximum capacity into in electric core after accomplishing equipment confluence piece and end cover, the structure of pole piece can not occupy the inside space of electric core, has increased the effective volume of electric core.

Drawings

Fig. 1 is a schematic view of a cross-sectional structure of an energy storage device with a high volume utilization ratio according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a part a of an energy storage device with a high volume utilization ratio according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a section of a metal sealing column arranged on a sealing plug of an energy storage device with a high volume utilization rate according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a part B of an energy storage device with a high volume utilization ratio provided by an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1. an electric core; 2. a housing; 3. positioning a groove; 4. an electrode member; 41. an end cap; 411. a through hole; 412. a bonding position; 413. sealing the position; 414. a sealing sheet groove; 415. a seal post mounting location; 416. sealing the column groove; 42. a confluence sheet; 421. a liquid injection hole; 422. fixing a column; 43. a sealing plug; 431. sealing the nail; 432. a metal sealing sheet; 433. a metal seal post.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. As used herein, the terms "vertical," "horizontal," "left," "right," and the like are for illustrative purposes only and do not represent the only embodiments, and as used herein, the terms "upper," "lower," "left," "right," "front," "rear," and the like are used in a positional relationship with reference to the drawings.

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

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

The first embodiment is as follows:

as shown in fig. 1-2, the embodiment of the utility model provides an energy storage device that volume utilization is big, including electric core 1, casing 2, electrode piece 4, electric core 1 installs in the inside of casing 2, the side at casing 2 is installed to electrode piece 4, electrode piece 4 includes end cover 41, confluence piece 42 and sealing plug 43, the installation of electric core 1 of the one side laminating of confluence piece 42, the installation of another side laminating end cover 41 of confluence piece 42, confluence piece 42 has been seted up and has been annotated liquid hole 421, through-hole 411 has been seted up to end cover 41, annotate liquid hole 421 and through-hole 411 and run through each other, sealing plug 43 is installed in annotating liquid hole 421 and through-hole 411.

In this embodiment, a fixing column 422 is provided on a surface of the confluence sheet 42 facing the end cap 41, the fixing column 422 is installed in the through hole 411, and the liquid injection hole 421 is opened in the middle of the fixing column 422.

In the present embodiment, the outer side wall of the housing 2 is recessed to form the positioning groove 3.

In this embodiment, the middle portion of the inner side surface of the end cap 41 protrudes to form an attaching position 412, the attaching position 412 is attached to the manifold 42, the middle portion of the outer side surface of the end cap 41 is provided with a sealing position 413, and the through hole 411 is opened in the middle portion of the sealing position 413.

In this embodiment, the sealing plug 43 is provided with a sealing nail 431 and a metal sealing sheet 432, the through hole 411 is provided with a sealing sheet groove 414, the sealing nail 431 is installed in the pouring hole 421, and the metal sealing sheet 432 is installed in the sealing sheet groove 414.

Example two

As shown in fig. 3 to 4, in the first embodiment, the sealing plug 43 is provided with a sealing nail 431 and a metal sealing post 433, the middle part of the sealing position 413 protrudes to form a sealing post mounting position 415, a sealing post groove 416 is provided inside the sealing post mounting position 415, the sealing nail 431 is fitted into the injection hole 421, and the metal sealing post 433 is mounted in the sealing post groove 416.

The working mode is as follows:

after the assembly process of the battery is completed, the battery liquid is injected through the liquid injection hole 421, the battery liquid can be fully filled in the battery core 1, the internal volume of the battery is fully utilized, the bus bar sheet 42 and the end cover 41 of the battery do not occupy the internal volume space of the battery, the effective volume of the battery core 1 is increased, and after the liquid injection is completed, the liquid injection hole 421 is sealed through the sealing plug.

The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.

Claims

1. An energy storage device with high volume utilization rate is characterized in that: including electric core, casing, electrode piece, electric core is installed the inside of casing, the electrode piece is installed the side of casing, the electrode piece includes end cover, confluence piece and sealing plug, the one side laminating of confluence piece the electric core installation, the another side laminating of confluence piece the end cover installation, the confluence piece has been seted up and has been annotated the liquid hole, the through-hole has been seted up to the end cover, annotate the liquid hole with the through-hole runs through each other, the sealing plug is installed annotate the liquid hole with in the through-hole.

2. A volume-efficient energy storage device as defined in claim 1, wherein: the confluence sheet faces one side of the end cover and is provided with a fixing column, the fixing column is installed in the through hole, and the liquid injection hole is formed in the middle of the fixing column.

3. A volume-efficient energy storage device as defined in claim 1, wherein: the outer side wall of the shell is sunken to form a positioning groove.

4. An energy storage device with high volume utilization according to any one of claims 1 to 3, characterized in that: the middle part of the inner side face of the end cover protrudes to form a fitting position, the fitting position is fitted with the bus piece, a sealing position is arranged in the middle of the outer side face of the end cover, and the through hole is formed in the middle of the sealing position.

5. A volume-efficient energy storage device according to claim 4, characterized in that: the sealing plug is equipped with sealed nail and metal seal piece, the through-hole is equipped with the seal piece groove, sealed nail is installed annotate in the liquid hole, the metal seal piece is installed in the seal piece groove.

6. A volume-efficient energy storage device according to claim 4, characterized in that: the sealing plug is equipped with sealed nail and metal seal post, the middle part protrusion of sealed position forms and seals post installation position, the inside that seals post installation position is equipped with seals the post groove, sealed nail gomphosis annotates the liquid hole installation, the metal seal post is installed seal in the post groove.

7. A volume-efficient energy storage device as defined in claim 6, wherein: the metal sealing column is in a shape of a circular truncated cone.