CN219246755U

CN219246755U - Sodium ion battery

Info

Publication number: CN219246755U
Application number: CN202223482354.3U
Authority: CN
Inventors: 赖见; 黄泽耀
Original assignee: Guangxi Liangjian Energy Technology Co ltd
Current assignee: Guangxi Liangjian Energy Technology Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-23
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a sodium ion battery which comprises a battery main body, an insulating buffer cushion and a protective shell, wherein the insulating buffer cushion is fixedly sleeved on the battery main body, and the protective shell is fixedly sleeved on the insulating buffer cushion. According to the utility model, the plurality of battery bodies can be connected in series end to end through the conductive assembly and the connecting assembly, so that the whole voltage is increased to meet the use requirement, a part of deformation space can be reserved for the battery bodies through the insulating buffer pad and the protective shell, meanwhile, the battery bodies can be protected from being easily damaged due to external force, and a plurality of groups of batteries can be connected into the battery module in other directions except the current direction through the connecting sheet arranged on the protective shell, so that the practicability is enhanced.

Description

Sodium ion battery

Technical Field

The utility model relates to the technical field of new energy, in particular to a sodium ion battery.

Background

The sodium ion battery is a rechargeable battery, and mainly works by means of sodium ions moving between a positive electrode and a negative electrode, and is similar to the working principle of a lithium ion battery. The sodium salt of the main raw material of the sodium ion battery has abundant reserves and low price, so the manufacturing cost is lower than that of the traditional lithium ion battery, and in addition, the sodium ion battery is allowed to discharge to zero volt because of no overdischarge characteristic of the sodium ion battery. The sodium ion battery is used as a brand new battery and is expected to replace the traditional lithium ion battery and lead-acid battery.

The future sodium ion battery can be widely applied to the production fields of automobiles, industry and the like. Because the voltage of a single battery can not meet the use requirement under many conditions, the voltage needs to be increased, and therefore, a plurality of batteries are needed to be connected in series for use, and in addition, the batteries can generate heat when in use, and are easy to expand and deform.

Disclosure of Invention

The utility model aims to solve the problems that in the background technology, the voltage of a single battery cannot meet the use requirement under many conditions, and the voltage needs to be increased, so that a plurality of batteries are needed to be connected in series for use, and in addition, the batteries generate heat and are easy to expand and deform during use.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the sodium ion battery comprises a battery main body, an insulating buffer pad and a protective shell, wherein the insulating buffer pad is fixedly sleeved on the battery main body, and the protective shell is fixedly sleeved on the insulating buffer pad; the battery comprises a battery body, a conductive component and a connecting component, wherein the conductive component is fixedly arranged on the surface of the negative electrode of the battery body, the connecting component is fixedly arranged on the surface of the positive electrode and the negative electrode of the battery body, and the conductive component is surrounded by the connecting component.

Preferably, the protective shell is provided with a plurality of heat dissipation holes.

Preferably, the conductive assembly comprises a plurality of fixing rods, limiting rings, sliding plates, first springs, conductive plates and power transmission lines, one ends of the fixing rods are fixedly connected with the cathodes of the battery bodies, the limiting rings are fixedly installed at the other ends of the fixing rods, the sliding plates are penetrated by the fixing rods in a moving mode, the sliding plates are located between the cathodes of the battery bodies and the limiting rings, one ends of the first springs are fixedly connected with the cathodes of the battery bodies, the other ends of the first springs are fixedly connected with the sliding plates, the conductive plates are fixedly installed on one side wall, far away from the cathodes of the battery bodies, of the sliding plates, the power transmission lines are located in the middle of the first springs, one ends of the power transmission lines are fixedly connected with the cathodes of the battery bodies, and the other ends of the power transmission lines fixedly penetrate through the sliding plates and are fixedly connected with the conductive plates.

Preferably, the connecting assembly comprises a fixed ring, a limit groove, a mounting ring, a sliding groove, a second spring and a limiting block, wherein the fixed ring is fixedly installed at the positive end of the battery body, the limit groove is formed in the fixed ring, the mounting ring is fixedly installed at the negative electrode of the battery body and surrounds the fixing rod, the sliding groove is formed in the outer side of the mounting ring, one end of the second spring is fixedly connected with the bottom of the sliding groove, the limiting block is fixedly connected with the other end of the second spring, and the limiting block is movably installed in the sliding groove.

Preferably, one end of the limiting block, which is far away from the sliding groove, is provided with a slope, and the inner diameter of the fixed ring is slightly larger than the outer diameter of the mounting ring.

Preferably, a plurality of connecting pieces are fixedly arranged on the protective shell.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. in the utility model, the plurality of battery bodies can be connected in series end to end by arranging the conductive component and the connecting component, so that the overall voltage is increased to meet the use requirement.

2. According to the utility model, by arranging the insulating buffer cushion and the protective shell, a part of deformation space can be reserved for the battery body, and meanwhile, the battery body can be protected from being easily damaged due to external force.

3. According to the utility model, the connecting sheets are arranged on the protective shell, so that a plurality of groups of batteries can be connected into the battery module in other directions except the current direction, and the practicability is enhanced.

Drawings

Fig. 1 is a schematic diagram of a three-dimensional structure of a sodium ion battery according to the present utility model;

fig. 2 is an exploded view of a conductive assembly of a sodium ion battery according to the present utility model;

fig. 3 is a cross-sectional view showing a connection assembly of a sodium ion battery according to the present utility model;

fig. 4 is a schematic diagram showing connection of a connection piece of a sodium ion battery according to the present utility model.

Legend description:

1. a battery main body; 2. an insulating buffer pad; 3. a protective shell; 4. a conductive assembly; 401. a fixed rod; 402. a limiting ring; 403. a sliding plate; 404. a first spring; 405. a conductive sheet; 406. a power transmission line; 5. a connection assembly; 501. a fixing ring; 502. a limit groove; 503. a mounting ring; 504. a sliding groove; 505. a second spring; 506. a limiting block; 6. a heat radiation hole; 7. and a connecting sheet.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

As shown in fig. 1, the utility model provides a sodium ion battery, which comprises a battery main body 1, an insulation buffer cushion 2 and a protective shell 3, wherein the insulation buffer cushion 2 is fixedly sleeved on the battery main body 1, and the protective shell 3 is fixedly sleeved on the insulation buffer cushion 2; conductive component 4, coupling assembling 5, conductive component 4 fixed mounting is on the negative pole surface of battery body 1, coupling assembling 5 fixed mounting is on the positive negative pole surface of battery body 1, and coupling assembling 5 surrounds conductive component 4 in, in some embodiments, through setting up conductive component 4 and coupling assembling 5, can link up a plurality of battery bodies 1 end to end, increase holistic voltage, in order to satisfy the user demand, through setting up insulating buffer pad 2 and protective housing 3, can reserve the deformation space of part for battery body 1, can protect battery body 1 to avoid it to damage easily because of receiving external force simultaneously.

As shown in fig. 1, in some embodiments, the protection case 3 is provided with a plurality of heat dissipation holes 6, so that heat generated by the battery body 1 can be dissipated through the heat dissipation holes 6.

As shown in fig. 1 and 2, in some embodiments, the conductive assembly 4 includes a fixing rod 401, a limiting ring 402, a sliding plate 403, a first spring 404, a conductive sheet 405, and a power line 406, where the number of the fixing rods 401 is plural, one end of the fixing rod 401 is fixedly connected to the negative electrode of the battery body 1, the limiting ring 402 is fixedly installed at the other end of the fixing rod 401, the sliding plate 403 is moved through by the fixing rod 401, and the sliding plate 403 is located between the negative electrode of the battery body 1 and the limiting ring 402, one end of the first spring 404 is fixedly connected to the negative electrode of the battery body 1, the other end is fixedly connected to the sliding plate 403, the conductive sheet 405 is fixedly installed on a side wall of the sliding plate 403 away from the negative electrode of the battery body 1, the power line 406 is located in the middle of the first spring 404, one end of the power line is fixedly connected to the negative electrode of the battery body 1, and the other end of the power line fixedly penetrates the sliding plate 403 to the conductive sheet 405, where the working principle is: the sliding plate 403 can slide along the length of the fixing rod 401, under the action of the first spring 404, the sliding plate 403 is always stressed by a force far away from the cathode of the battery body 1, when no other external force is applied, the sliding plate 403 is clung to the limiting ring 402, when two battery bodies 1 are connected together through the connecting component 5, the conductive sheet 405 touches the anode of the other battery body 1, the anode of the battery can press the conductive sheet 405, the spring is compressed, and the conductive sheet 405 is clung to the anode of the other battery body 1, so that the voltage is increased by connecting the two battery bodies 1 in series.

As shown in fig. 1, 2 and 3, in some embodiments, the connection assembly 5 includes a fixing ring 501, a limiting groove 502, a mounting ring 503, a sliding groove 504, a second spring 505 and a limiting block 506, where the fixing ring 501 is fixedly installed at the positive end of the battery body 1, the limiting groove 502 is opened on the fixing ring 501, the mounting ring 503 is fixedly installed at the negative electrode of the battery body 1 and surrounds the fixing rod 401, the sliding groove 504 is opened outside the mounting ring 503, one end of the second spring 505 is fixedly connected at the bottom of the sliding groove 504, the limiting block 506 is fixedly connected with the other end of the second spring 505, and the limiting block 506 is movably installed in the sliding groove 504, where the working principle is that: one end of the limiting block 506, which is far away from the sliding groove 504, is provided with a slope, the inner diameter of the fixing ring 501 is slightly larger than the outer diameter of the mounting ring 503, when a plurality of battery bodies 1 are required to be connected in series, the limiting block 506 is aligned to the limiting groove 502, then the mounting ring 503 is inserted into the fixing ring 501, the fixing ring 501 presses the slope of the limiting block 506, the limiting block 506 presses the second spring 505, the limiting block 506 is retracted into the sliding groove 504, when the limiting block 506 moves to the position of the limiting groove 502, the second spring 505 ejects the limiting block 506 from the sliding groove 504, so that the fixing ring 501 is connected with the mounting ring 503 and cannot fall off, and when the batteries are required to be detached and replaced, the limiting block 506 can be pressed down to retract into the sliding groove 504, and a plurality of batteries can be quickly assembled and disassembled.

As shown in fig. 1 and 4, in some embodiments, the protection shell 3 is fixedly provided with a plurality of connection pieces 7, and the design can fix a plurality of groups of serially connected battery bodies 1 together (the short side walls of the connection pieces 7 are fixedly connected with the protection shell 3, the long side walls always trend towards the protection shell 3, and the specific connection mode is shown in fig. 4), so as to avoid scattering, and a worker can also serially connect the anodes and cathodes of the plurality of groups of serially connected battery bodies 1 respectively to form a parallel battery pack, so that the overall electric storage capacity of the battery pack is increased.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. A sodium ion battery characterized by: the battery comprises a battery main body (1), an insulating buffer pad (2) and a protective shell (3), wherein the insulating buffer pad (2) is fixedly sleeved on the battery main body (1), and the protective shell (3) is fixedly sleeved on the insulating buffer pad (2); conductive component (4), coupling assembling (5), conductive component (4) fixed mounting is in the negative pole surface of battery body (1), coupling assembling (5) fixed mounting is in the positive negative pole surface of battery body (1), just coupling assembling (5) will conductive component (4) are encircled in.

2. A sodium ion battery according to claim 1, wherein: a plurality of heat dissipation holes (6) are formed in the protective shell (3).

3. A sodium ion battery according to claim 1, wherein: the utility model provides a battery pack, including electrically conductive subassembly (4), including dead lever (401), spacing ring (402), slide plate (403), first spring (404), conducting strip (405), power transmission line (406), dead lever (401) quantity is established to a plurality ofly, its one end with the negative pole department fixed connection of battery pack (1), spacing ring (402) fixed mounting is in the other end of dead lever (401), slide plate (403) are run through by dead lever (401) removal, just slide plate (403) are located between battery pack (1) negative pole with spacing ring (402), first spring (404) one end with battery pack (1) negative pole fixed connection, the other end with slide plate (403) fixed connection, conducting strip (405) fixed mounting is in on the lateral wall of slide plate (403) keep away from battery pack (1) negative pole, power transmission line (406) are located in the middle of first spring (404), its one end with battery pack (1) negative pole fixed connection, the other end is fixed with slide plate (403) runs through with slide plate (405) fixed connection.

4. A sodium ion battery according to claim 3, wherein: coupling assembling (5) are including solid fixed ring (501), spacing groove (502), collar (503), sliding tray (504), second spring (505), stopper (506), gu fixed ring (501) fixed mounting is in the anodal end of battery body (1), spacing groove (502) are seted up gu fixed ring (501) is last, collar (503) fixed mounting is in the negative pole department of battery body (1), and it will dead lever (401) are enclosed in, sliding tray (504) are seted up in the outside of collar (503), second spring (505) one end fixed connection is in sliding tray (504) bottom, stopper (506) with the other end fixed connection of second spring (505), just stopper (506) remove to install in sliding tray (504).

5. A sodium ion battery according to claim 4, wherein: one end of the limiting block (506) far away from the sliding groove (504) is provided with a slope, and the inner diameter of the fixed ring (501) is slightly larger than the outer diameter of the mounting ring (503).

6. A sodium ion battery according to claim 1, wherein: a plurality of connecting pieces (7) are fixedly arranged on the protective shell (3).