CN218939933U

CN218939933U - High-capacity sodium ion battery case

Info

Publication number: CN218939933U
Application number: CN202223519646.XU
Authority: CN
Inventors: 袁先锋; 朱橙洋
Original assignee: Anhui Zhongna Yingdian New Energy Co ltd
Current assignee: Anhui Zhongna Yingdian New Energy Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-04-28
Anticipated expiration: 2032-12-28

Abstract

The utility model provides a high-capacity sodium ion battery shell which comprises a main shell body, wherein a transverse partition plate and a longitudinal partition plate which are used for separating and placing sodium ion batteries are arranged in the main shell body, the transverse partition plate and the longitudinal partition plate are arranged in a crossing mode, a first cooling liquid bag and a second cooling liquid bag which are used for fixing the sodium ion batteries in an extrusion mode are respectively connected to the transverse partition plate and the longitudinal partition plate, an upper side rubber pipe is connected to the top of the transverse partition plate, a lower side rubber pipe is connected to the bottom of the longitudinal partition plate, the first cooling liquid bag is connected with the upper side rubber pipe through a connector, the second cooling liquid bag is connected with the lower side rubber pipe through the connector, and the lower side rubber pipe is in contact with the inner bottom surface of the main shell body. The utility model expands the placing capacity of the sodium ion battery, and the sodium ion battery pack is extruded and limited by the cooling liquid bag, thereby improving the placing stability and avoiding the collision and damage of the sodium ion batteries.

Description

High-capacity sodium ion battery case

Technical Field

The utility model relates to the technical field of sodium ion batteries, in particular to a high-capacity sodium ion battery shell.

Background

The battery shell is used as a key component of a battery system, and plays roles in fixing and fully sealing an internal electrochemical system. The structural strength, heat dissipation and other performances of the shell are important indexes for measuring the working capacity of the battery.

With the demands of practical application, higher requirements are put on the energy density, safety and cycle life of the battery, and besides the electrode material with high specific energy, the quality of the structural part of the battery shell is reduced, and the strength and the heat dissipation performance of the structural part are improved, so that the structural part is one of important ways for improving the performance of the battery.

The sodium ion battery shell used at present is usually a group of sodium ion batteries are placed in a sodium ion battery shell, then a plurality of sodium ion battery shells are put in a large sodium ion battery shell in a summarizing mode, so that the sodium ion battery capacity in the battery shell is low, and two small battery shells adjacent to each other are easy to collide with each other, so that collision damage is caused to the sodium ion batteries in the battery shells.

Disclosure of Invention

The present utility model aims to provide a high capacity sodium ion battery case that overcomes or at least partially solves the above-mentioned problems.

In order to achieve the above purpose, the technical scheme of the utility model is specifically realized as follows:

the utility model provides a high-capacity sodium ion battery shell which comprises a main shell, wherein a transverse partition plate and a longitudinal partition plate which are used for separating and placing sodium ion batteries are arranged in the main shell, the transverse partition plate and the longitudinal partition plate are arranged in a crossing mode, a first cooling liquid bag and a second cooling liquid bag which are used for fixing the sodium ion batteries in an extrusion mode are respectively connected to the transverse partition plate and the longitudinal partition plate, an upper side rubber pipe is connected to the top of the transverse partition plate, a lower side rubber pipe is connected to the bottom of the longitudinal partition plate, the first cooling liquid bag is connected with the upper side rubber pipe through a connector, the second cooling liquid bag is connected with the lower side rubber pipe through a connector, and the lower side rubber pipe is in contact with the inner bottom surface of the main shell.

As a further scheme of the utility model, rabbets are uniformly connected to both sides of the transverse partition plate and both sides of the longitudinal partition plate, the rabbets are arranged in the rabbets, the rabbets are arranged in the main shell, and the main shell is fixedly connected with the transverse partition plate and the longitudinal partition plate through bolts.

As a further scheme of the utility model, the inside of the transverse partition plate and the inside of the longitudinal partition plate are respectively provided with an open slot, the inner side surface of the open slot is an arc surface, and the first cooling liquid bag and the second cooling liquid bag are respectively arranged in the open slots and are adhered and fixed through adhesive.

As a further scheme of the utility model, an upper groove is formed in the upper side of the transverse partition plate, an upper rubber tube is connected in the upper groove, a lower groove is formed in the lower side of the longitudinal partition plate, and a lower rubber tube is connected in the lower groove.

As a further scheme of the utility model, a plurality of lower clamping grooves are formed in the lower side of the transverse partition plate, an upper clamping groove is formed in the upper side of the longitudinal partition plate, and the upper clamping groove is matched with the lower clamping groove.

As a further proposal of the utility model, a plurality of spongy cushions are arranged in the main shell, and the spongy cushions are correspondingly arranged in the space formed between the transverse partition plate and the longitudinal partition plate.

The utility model provides a high-capacity sodium ion battery shell, which has the beneficial effects that: through cross arrangement of the transverse partition plate and the longitudinal partition plate, a plurality of small spaces are separated from the inside of a large main shell, the use of small battery shells is reduced, the placing capacity of the sodium ion battery is expanded, the sodium ion battery pack is extruded and limited through a cooling liquid bag, the placing stability is improved, the sodium ion battery is prevented from being damaged by collision, meanwhile, the sodium ion battery is cooled through cooling liquid conveniently, the use safety of the sodium ion battery is guaranteed, and the use functionality is expanded.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a top view of the present utility model.

FIG. 3 is a schematic diagram showing a connection structure between a second cooling fluid bag and a lower rubber tube according to the present utility model.

FIG. 4 is a schematic diagram showing a connection structure between a first cooling fluid bag and an upper rubber tube according to the present utility model.

Fig. 5 is a schematic structural view of a transverse separator in the present utility model.

Fig. 6 is a schematic view of the structure of the longitudinal separator of the present utility model.

Fig. 7 is a half cross-sectional view of a longitudinal baffle according to the present utility model.

In the figure: 1. a main housing; 2. a transverse partition; 3. a longitudinal separator; 4. a first cooling liquid bag; 5. a second cooling liquid bag; 6. an upper rubber tube; 7. a bolt; 8. a sponge cushion; 9. a lower rubber tube; 10. a joint; 11. an open slot; 12. a lower clamping groove; 13. an upper groove; 14. a tenon; 15. an upper clamping groove; 16. and a lower groove.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1-7, the high-capacity sodium ion battery shell provided by the embodiment of the utility model comprises a main shell 1, wherein a transverse partition plate 2 and a longitudinal partition plate 3 for separating and placing sodium ion batteries are arranged in the main shell 1, the transverse partition plate 2 and the longitudinal partition plate 3 are arranged in a crossing manner, a first cooling liquid bag 4 and a second cooling liquid bag 5 for fixing the sodium ion batteries in an extrusion manner are respectively connected to the transverse partition plate 2 and the longitudinal partition plate 3, an upper side rubber tube 6 is connected to the top of the transverse partition plate 2, a lower side rubber tube 9 is connected to the bottom of the longitudinal partition plate 3, the first cooling liquid bag 4 is connected with the upper side rubber tube 6 through a connector 10, the second cooling liquid bag 5 is connected with the lower side rubber tube 9 through the connector 10, and the lower side rubber tube 9 is in contact with the inner bottom surface of the main shell 1.

In the use process of the utility model, the first cooling liquid bag 4 is connected to the transverse partition plate 2, the second cooling liquid bag 5 is connected to the longitudinal partition plate 3, the upper side rubber tube 6 is connected to the transverse partition plate 2, the lower side rubber tube 9 is connected to the longitudinal partition plate 3, the first cooling liquid bag 4 is communicated with the upper side rubber tube 6 through the joint 10, the second cooling liquid bag 5 is communicated with the lower side rubber tube 9, and the cooling liquid can conveniently enter the upper side rubber tube 6 and the lower side rubber tube 9.

Then a plurality of longitudinal partition plates 3 are correspondingly placed in the main shell 1, the lower side rubber tube 9 is contacted with the bottom surface of the main shell 1, then the transverse partition plates 2 are correspondingly placed in the main shell 1, the transverse partition plates 2 and the longitudinal partition plates 3 are mutually crossed, then a plurality of sodium ion batteries are bundled together to form a group of sodium ion battery packs, then the sodium ion battery packs are placed in a space formed between the transverse partition plates 2 and the longitudinal partition plates 3, then the longitudinal partition plates 3 are pressed downwards, so that the lower side rubber tube 9 is extruded, then the cooling liquid in the lower side rubber tube 9 enters the second cooling liquid bag 5, then the second cooling liquid bag 5 is filled with the cooling liquid to be expanded, and extrude sodium ion group battery under deformation effect, stability when having guaranteed sodium ion group battery and having placed, the purpose of anticollision has also been realized simultaneously, the security is high, afterwards rotate bolt 7, fix transverse baffle 2, after a plurality of sodium ion group battery place, cover the shell lid on main casing 1, and extrude upside rubber tube 6 through the shell lid, can lead to first coolant bag 4 inflation, and then carry out secondary extrusion to sodium ion group battery, further improved sodium ion group battery's placement steadiness, then rotate bolt 7 again to fix transverse baffle 2 can, also realized cooling to sodium ion battery through the coolant liquid simultaneously, sodium ion battery's safety in utilization has been guaranteed.

As shown in fig. 2, the two sides of the transverse partition plate 2 and the two sides of the longitudinal partition plate 3 are uniformly connected with tenons 14, the tenons 14 are arranged in the mortises, the mortises are formed in the main casing 1, the main casing 1 is fixedly connected with the transverse partition plate 2 and the longitudinal partition plate 3 through bolts 7, the tenons and mortise are connected with the mortises through the tenons 14 and the mortises, and the mortises are fixed through the bolts 7, so that the installation stability of the transverse partition plate 2 and the longitudinal partition plate 3 is improved, and meanwhile, the disassembly is convenient.

As shown in fig. 5-7, the inside of the transverse partition plate 2 and the inside of the longitudinal partition plate 3 are provided with open slots 11, the inner side surfaces of the open slots 11 are arc surfaces, and the first cooling liquid bag 4 and the second cooling liquid bag 5 are arranged in the open slots 11 and are adhered and fixed by adhesive, so that the first cooling liquid bag 4 and the second cooling liquid bag 5 are conveniently placed, and the first cooling liquid bag 4 and the second cooling liquid bag 5 are also conveniently extruded and deformed.

As shown in fig. 3-7, an upper groove 13 is formed on the upper side of the transverse partition plate 2, an upper rubber tube 6 is connected in the upper groove 13, a lower groove 16 is formed on the lower side of the longitudinal partition plate 3, a lower rubber tube 9 is connected in the lower groove 16, fine adjustment of the positions of the longitudinal partition plate 3 and the transverse partition plate 2 is facilitated through the lower rubber tube 9, compaction of the transverse partition plate 2 and the longitudinal partition plate 3 is facilitated through the upper rubber tube 6, and extrusion deformation of the first cooling liquid bag 4 and the second cooling liquid bag 5 is facilitated through extrusion of the upper rubber tube 6 and the lower rubber tube 9.

As shown in fig. 5-7, a plurality of lower clamping grooves 12 are formed in the lower side of the transverse partition plate 2, an upper clamping groove 15 is formed in the upper side of the longitudinal partition plate 3, and the upper clamping groove 15 is matched with the lower clamping groove 12, so that the transverse partition plate 2 and the longitudinal partition plate 3 are connected together in a cross manner, a plurality of sodium ion battery packs are separated and placed, and the capacity of the sodium ion battery is expanded.

As shown in fig. 1, the main casing 1 is internally provided with a plurality of foam-rubber mats 8, and the foam-rubber mats 8 are correspondingly arranged in the space formed between the transverse partition plate 2 and the longitudinal partition plate 3, so that the purpose of buffering and protecting the sodium ion battery pack through the foam-rubber mats 8 is realized, and the damage caused by collision is avoided.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims

1. The utility model provides a sodium ion battery shell of high capacity, includes main casing (1), its characterized in that, main casing (1) inside is provided with horizontal baffle (2) and vertical baffle (3) that separate the sodium ion battery and place, and horizontal baffle (2) and vertical baffle (3) cross each other and set up, be connected with first coolant bag (4) and second coolant bag (5) that extrude fixed to sodium ion battery on horizontal baffle (2) and the vertical baffle (3) respectively, horizontal baffle (2) top is connected with upside rubber tube (6), vertical baffle (3) bottom is connected with downside rubber tube (9), first coolant bag (4) are connected with upside rubber tube (6) through joint (10), second coolant bag (5) are connected with downside rubber tube (9) through joint (10), and downside rubber tube (9) contact with main casing (1) inner bottom surface.

2. The high-capacity sodium ion battery shell according to claim 1, wherein tenons (14) are uniformly connected to two sides of the transverse partition plate (2) and two sides of the longitudinal partition plate (3), the tenons (14) are arranged in mortises, the mortises are formed in the main shell (1), and the main shell (1) is fixedly connected with the transverse partition plate (2) and the longitudinal partition plate (3) through bolts (7) respectively.

3. The high-capacity sodium ion battery case according to claim 2, wherein the transverse separator (2) and the longitudinal separator (3) are provided with open grooves (11) inside, the inner side surfaces of the open grooves (11) are arc surfaces, and the first cooling liquid bag (4) and the second cooling liquid bag (5) are arranged in the open grooves (11) and are adhered and fixed by adhesive.

4. The high-capacity sodium ion battery case according to claim 2, wherein an upper groove (13) is formed in the upper side of the transverse separator (2), an upper rubber tube (6) is connected in the upper groove (13), a lower groove (16) is formed in the lower side of the longitudinal separator (3), and a lower rubber tube (9) is connected in the lower groove (16).

5. The high-capacity sodium ion battery case according to claim 2, wherein a plurality of lower clamping grooves (12) are formed in the lower side of the transverse partition plate (2), an upper clamping groove (15) is formed in the upper side of the longitudinal partition plate (3), and the upper clamping groove (15) is matched with the lower clamping groove (12).

6. A high capacity sodium ion battery housing according to claim 1, wherein a plurality of sponge pads (8) are provided inside the main housing (1), and the plurality of sponge pads (8) are correspondingly provided in a space formed between the transverse separator (2) and the longitudinal separator (3).