CN213936309U

CN213936309U - Electrolyte structure of high-performance lithium ion battery

Info

Publication number: CN213936309U
Application number: CN202022761530.1U
Authority: CN
Inventors: 吴晓东
Original assignee: Suzhou Sinlion Battery Co ltd
Current assignee: Suzhou Li'an New Energy Technology Co.,Ltd.
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-10
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a high performance lithium ion battery's electrolyte structure relates to lithium cell technical field, the utility model discloses a major structure, conductive structure, the structure of charging, seal structure and change structure, major structure includes the lithium cell, shell and electrolysis trough, the shell is hollow structure, the lithium cell sets up inside the shell, conductive structure includes positive plate, the negative plate, anodal post and negative pole post, positive plate and negative plate all set up in the lithium cell upper surface, the position and the negative pole plate of positive plate suit, anodal post lower surface and positive plate upper surface connection, the structure of charging includes the wire, a plurality of wires are installed respectively in anodal post and negative pole post upper surface. The utility model relates to a high performance lithium ion battery's electrolyte structure is through setting up sealed post cooperation sealing washer, and both cooperations can carry out the sealed of electrolyte fluid infusion department relatively well, and the sealing washer can leak protection well.

Description

Electrolyte structure of high-performance lithium ion battery

Technical Field

The utility model relates to a lithium cell technical field, in particular to high performance lithium ion battery's electrolyte structure.

Background

The lithium battery is a lithium battery with a ternary positive electrode material of nickel cobalt lithium manganate or nickel cobalt lithium aluminate as a positive electrode material, and Li + is inserted and extracted back and forth between two electrodes in the charging and discharging processes.

The electrolyte structure of a high-performance lithium ion battery in the prior art has the defects of no structure for replenishing electrolyte, no external charging structure, no sealing structure and the like, and therefore the electrolyte structure of the high-performance lithium ion battery is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an electrolyte structure for a high performance lithium ion battery, which can effectively solve the problem of the prior art that the electrolyte is not supplemented, and has no external charging structure and no sealing structure.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: an electrolyte structure of a high-performance lithium ion battery comprises a main body structure, a conductive structure, a charging structure, a sealing structure and a replacing structure, wherein the main body structure comprises a lithium battery, a shell and an electrolytic bath, the shell is of a hollow structure, the lithium battery is arranged in the shell, the conductive structure comprises a positive plate, a negative plate, a positive post and a negative post, the positive plate and the negative plate are arranged on the upper surface of the lithium battery, the position of the positive plate is matched with that of the negative plate, the lower surface of the positive post is connected with the upper surface of the positive plate, the charging structure comprises wires, a plurality of the wires are respectively arranged on the upper surfaces of the positive post and the negative post, the sealing structure comprises a sealing post and a fixing post, the upper surface of the shell is provided with an installation groove, the position of the sealing post is matched with the installation groove, and the upper surface of the fixing post is connected with the lower surface of the sealing post, the replacing structure comprises sliding devices, sliding blocks, connecting columns, push-pull plates and clamping blocks, wherein the upper surfaces of a plurality of sliding devices are all connected with the lower surface of the shell, the side surfaces of the plurality of sliding devices are respectively provided with a plurality of sliding grooves, a plurality of sliding blocks are respectively in sliding fit with the plurality of sliding grooves, one ends of the plurality of connecting columns are respectively welded with the lower surfaces of the plurality of sliding blocks, the other ends of the plurality of connecting columns are respectively connected with the upper surfaces of the plurality of push-pull plates, one side surface of a plurality of clamping blocks is respectively connected with one side surface of the plurality of push-pull plates, the peripheral side surface of the fixing column is provided with a plurality of clamping grooves, and the positions of the plurality of clamping blocks are respectively matched with the plurality of clamping grooves, the fixing device comprises a fixing column, a clamping groove, a push-pull rod, a connecting column, a clamping block and a mounting groove, wherein the number of the connecting column is two, the number of the push-pull plate is two, the number of the clamping block is two, the mounting groove is a circular groove body, the clamping groove is a rectangular groove body, the connecting column is matched with the push-pull rod to be connected with the clamping block, and the fixing column can be fixed well.

Preferably, the main body structure further comprises an electrolytic cell, the electrolytic cell is arranged inside the lithium battery, and the electrolytic cell is used for containing electrolyte.

Preferably, the lower surface of the negative pole column is connected with the upper surface of the negative pole plate, and the negative pole column is matched with the positive pole column to conduct current.

Preferably, the charging structure further comprises a plurality of external connectors, the side surfaces of the external connectors are respectively connected with the side surfaces of the plurality of wires, the number of the external connectors is two, the number of the wires is two, and the external connectors are matched with the wires to perform charging and discharging better.

Preferably, the sealing structure further comprises a sealing ring, the inner peripheral side surface of the sealing ring is connected with the peripheral side surface of the sealing column, and the sealing ring can better seal and cling to the periphery of the mounting groove without leakage.

Preferably, the replacement structure further comprises springs, two ends of each spring are respectively connected with the inner side surface of the sliding device and the side surfaces of the sliding blocks, the number of the springs is two, the number of the sliding devices is two, the number of the sliding blocks is two, and the sliding devices can be matched with the sliding blocks and the springs to perform sliding push-pull and reset after push-pull.

The utility model discloses following beneficial effect has:

1. the sealing column is arranged to be matched with the sealing ring, the sealing column and the sealing ring are matched to better seal the electrolyte solution supplementing position, and the sealing ring can well prevent leakage;

2. the utility model fixes the fixed column by arranging the sliding device to be matched with the push-pull rod to push and pull the clamping block, and then connecting the spring to reset;

3. the utility model discloses a set up wire and external joint and connecting positive post and negative pole post, charge and discharge through the external joint, can protect positive and negative utmost point post betterly.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of the overall structure of the electrolyte structure of a high-performance lithium ion battery according to the present invention;

fig. 2 is a schematic structural diagram of an electrolyte structure of a high-performance lithium ion battery according to the present invention in a front view;

fig. 3 is a cross-sectional view taken along line a-a of fig. 2 in accordance with the present invention;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;

fig. 5 is a cross-sectional view taken at C-C of fig. 2 in accordance with the present invention;

fig. 6 is a partial enlarged view of the position D in fig. 2 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

100. a body structure; 110. a lithium battery; 120. a housing; 130. an electrolytic cell; 200. a conductive structure; 210. a positive plate; 220. a negative plate; 230. a positive post; 240. a negative pole post; 300. a charging structure; 310. a wire; 320. an outer joint; 400. a sealing structure; 410. sealing the column; 420. fixing a column; 430. a seal ring; 500. replacing the structure; 510. a sliding device; 520. a slider; 530. connecting columns; 540. a push-pull plate; 550. a clamping block; 560. a spring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention relates to an electrolyte structure of a high performance lithium ion battery, including a main structure 100, a conductive structure 200, a charging structure 300, a sealing structure 400 and a replacement structure 500, the main structure 100 includes a lithium battery 110, a housing 120 and an electrolytic bath 130, the housing 120 is a hollow structure, the lithium battery 110 is disposed inside the housing 120, the conductive structure 200 includes a positive plate 210, a negative plate 220, a positive post 230 and a negative post 240, the positive plate 210 and the negative plate 220 are both disposed on the upper surface of the lithium battery 110, the position of the positive plate 210 is adapted to the negative plate 220, the lower surface of the positive post 230 is connected to the upper surface of the positive plate 210, the charging structure 300 includes a plurality of wires 310, the plurality of wires 310 are respectively mounted on the upper surfaces of the positive post 230 and the negative post 240, the sealing structure 400 includes a sealing post 410 and a fixing post 420, the upper surface of the housing 120 is provided with a mounting groove, the position of the sealing post 410 is adapted to the mounting groove, the upper surface of the fixed column 420 is connected with the lower surface of the sealing column 410, the replacing structure 500 comprises sliding devices 510, sliding blocks 520, connecting columns 530, push-pull plates 540 and clamping blocks 550, the upper surfaces of the sliding devices 510 are all connected with the lower surface of the shell 120, a plurality of sliding grooves are respectively arranged on the side surfaces of the sliding devices 510, the sliding blocks 520 are respectively in sliding fit with the sliding grooves, one ends of the connecting columns 530 are respectively welded with the lower surfaces of the sliding blocks 520, the other ends of the connecting columns 530 are respectively connected with the upper surfaces of the push-pull plates 540, one side surfaces of the clamping blocks 550 are respectively connected with one side surfaces of the push-pull plates 540, a plurality of clamping grooves are arranged on the peripheral side surface of the fixed column 420, the positions of the clamping blocks 550 are respectively matched with the clamping grooves, wherein the number of the connecting columns 530 is two, the number of the push-pull plates 540 is two, the number of the clamping blocks 550 is two, the mounting grooves are circular groove bodies, and the clamping grooves are rectangular groove bodies, the connecting column 530 is coupled to the locking block 550 by engaging the push-pull plate 540, so as to better fix the fixing column 420.

Referring to fig. 5, the main body structure 100 further includes an electrolytic bath 130, the electrolytic bath 130 is disposed inside the lithium battery 110, and the electrolytic bath 130 is used for containing an electrolyte.

Referring to fig. 1, the lower surface of the negative post 240 is connected to the upper surface of the negative plate 220, and the negative post 240 performs current conduction in cooperation with the positive post 230.

Referring to fig. 2, the charging structure 300 further includes external connectors 320, and side surfaces of the external connectors 320 are respectively connected to side surfaces of the wires 310, wherein the number of the external connectors 320 is two, the number of the wires 310 is two, and the external connectors 320 are matched with the wires 310 for better charging and discharging.

Referring to fig. 5, the sealing structure 400 further includes a sealing ring 430, and the inner peripheral surface of the sealing ring 430 is connected to the peripheral surface of the sealing post 410, so that the sealing ring 430 can better seal and cling to the periphery of the mounting groove without leakage.

Referring to fig. 4, the replacing structure 500 further includes a spring 560, two ends of the spring 560 are respectively connected to the inner side surface of the sliding device 510 and the side surfaces of the sliders 520, wherein two springs 560 are provided, the number of the sliding devices 510 is two, the number of the sliders 520 is two, and the sliding device 510 can perform sliding push-pull and reset after being pushed-pulled in cooperation with the sliders 520 and the spring 560.

When a person uses the lithium battery 110, the lithium battery 110 is placed in the shell 120, the positive plate 210 is connected with the positive post 230, the negative plate 220 is connected with the negative post 240, the lead 310 is connected with the external connector 320 for charging and discharging, when electrolyte needs to be replenished, the push-pull plate 540 is pulled outwards by two hands, the clamping block 550 can be pulled out of the clamping groove of the fixed post 420 by matching with the sliding device 510 and the sliding block 520, the sealing post 410 is pulled out through the fixed post 420, the electrolyte is replenished into the electrolytic bath 130, and after the completion, the sealing post 410 is plugged again, and the fixed post 420 is clamped by the push-pull plate 540.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high performance lithium ion battery's electrolyte structure, includes major structure (100), electrically conductive structure (200), charge structure (300), seal structure (400) and change structure (500), its characterized in that: the main body structure (100) comprises a lithium battery (110), a shell (120) and an electrolytic cell (130), the shell (120) is of a hollow structure, the lithium battery (110) is arranged inside the shell (120), the conductive structure (200) comprises a positive plate (210), a negative plate (220), a positive post (230) and a negative post (240), the positive plate (210) and the negative plate (220) are arranged on the upper surface of the lithium battery (110), the position of the positive plate (210) is matched with that of the negative plate (220), the lower surface of the positive post (230) is connected with the upper surface of the positive plate (210), the charging structure (300) comprises leads (310), a plurality of leads (310) are respectively arranged on the upper surfaces of the positive post (230) and the negative post (240), the sealing structure (400) comprises a sealing post (410) and a fixing post (420), the upper surface of the shell (120) is provided with a mounting groove, the position of the sealing column (410) is matched with the mounting groove, the upper surface of the fixed column (420) is connected with the lower surface of the sealing column (410), the replacing structure (500) comprises sliding devices (510), sliding blocks (520), connecting columns (530), push-pull plates (540) and clamping blocks (550), the upper surfaces of a plurality of sliding devices (510) are all connected with the lower surface of the shell (120), a plurality of sliding grooves are formed in the side surfaces of the sliding devices (510), a plurality of sliding blocks (520) are in sliding fit with the sliding grooves respectively, one ends of a plurality of connecting columns (530) are welded with the lower surfaces of a plurality of sliding blocks (520) respectively, the other ends of a plurality of connecting columns (530) are connected with the upper surfaces of a plurality of push-pull plates (540) respectively, one side surfaces of a plurality of clamping blocks (550) are connected with one side surfaces of the push-pull plates (540) respectively, and a plurality of clamping grooves are formed in the peripheral side surfaces of the fixed column (420), the positions of the clamping blocks (550) are respectively matched with the clamping grooves.

2. The electrolyte structure of a high performance lithium ion battery of claim 1, wherein: the main body structure (100) further comprises an electrolytic cell (130), and the electrolytic cell (130) is arranged inside the lithium battery (110).

3. The electrolyte structure of a high performance lithium ion battery of claim 1, wherein: the lower surface of the negative pole column (240) is connected with the upper surface of the negative pole plate (220).

4. The electrolyte structure of a high performance lithium ion battery of claim 1, wherein: the charging structure (300) further comprises external connectors (320), and the side surfaces of the external connectors (320) are respectively connected with the side surfaces of the leads (310).

5. The electrolyte structure of a high performance lithium ion battery of claim 1, wherein: the sealing structure (400) further comprises a sealing ring (430), and the inner peripheral side surface of the sealing ring (430) is connected with the peripheral side surface of the sealing column (410).

6. The electrolyte structure of a high performance lithium ion battery of claim 1, wherein: the replacing structure (500) further comprises springs (560), and two ends of the springs (560) are respectively connected with the inner side surface of the sliding device (510) and the side surfaces of the sliders (520).