CN219286604U - Cylindrical sodium ion battery - Google Patents

Cylindrical sodium ion battery Download PDF

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Publication number
CN219286604U
CN219286604U CN202320763271.7U CN202320763271U CN219286604U CN 219286604 U CN219286604 U CN 219286604U CN 202320763271 U CN202320763271 U CN 202320763271U CN 219286604 U CN219286604 U CN 219286604U
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wall
sodium ion
ion battery
connecting plate
fixed connection
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CN202320763271.7U
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Chinese (zh)
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赵曙光
穆世慧
郑端阳
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Beijing Minli Energy Storage Technology Co ltd
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Beijing Minli Energy Storage Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model relates to the technical field of sodium ion batteries, in particular to a cylindrical sodium ion battery which comprises an anode cap and an exhaust gas exhaust valve, wherein the exhaust gas exhaust valve is arranged on the outer wall of the anode cap, a connecting device is arranged at the upper end of the anode cap and comprises a connecting block, the inner wall of the connecting block is in threaded connection with the anode cap, and the upper end of the connecting block is fixedly connected with a first connecting plate. Through the part that needs to install is put into to the sodium ion battery slope of cylinder vertically, the second connecting plate on connecting block surface contacts the surface of junction device, and the second connecting plate extrudees the spring, makes the spring leaf shrink to the outer wall of second connecting plate deflects at the fixed block, until the sodium ion battery negative pole of cylinder contacts the other end of erection equipment, realizes the installation under different conditions, makes the application range grow of cylinder sodium ion battery, can use the cylinder sodium ion battery of same model on a large scale to install and use.

Description

Cylindrical sodium ion battery
Technical Field
The utility model relates to the technical field of sodium ion batteries, in particular to a cylindrical sodium ion battery.
Background
Compared with the traditional lithium ion battery, the sodium ion battery has the characteristics that: the sodium ion battery has low cost, good low-temperature performance, high safety and large discharge rate. Therefore, under the background of shortage of lithium battery resources and high cost, sodium ion batteries are developed as energy storage batteries and power batteries in a dispute.
For example, although the problem of the defect that the battery capacity of the conventional cylindrical sodium ion battery is small is solved, the upper tab of the winding core is welded on the upper surface of the bus plate by laser, the lower tab is welded on the lower surface of the bus plate by laser, and the positive terminal and the negative terminal are arranged on the upper surface of the upper cover body and are positioned on the same side of the battery, so that the internal resistance of the battery is greatly reduced, and the cylindrical sodium ion battery is considered to be fixed in length and only can be installed in a battery groove with a fixed size, so that the application range of the cylindrical sodium ion battery is fixed and the cylindrical sodium ion battery with the same type cannot be widely used.
Disclosure of Invention
The utility model aims to solve the problems that the prior cylindrical sodium ion battery has a fixed application range and cannot be widely used in the same type.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cylinder sodium ion battery, includes positive pole cap and exhaust gas discharge valve, exhaust gas discharge valve is installed to the outer wall of positive pole cap, the upper end of positive pole cap is equipped with connecting device, connecting device includes the connecting block, the inner wall and the positive pole cap threaded connection of connecting block, the upper end and the first connecting plate fixed connection of connecting block, the lower extreme and the connecting block fixed connection of first connecting plate, the outer wall and the spring leaf fixed connection of first connecting plate, the tip and the second connecting plate fixed connection of spring leaf, first connecting plate surface and fixed block fixed connection, the outer wall and the second connecting plate of fixed block rotate to be connected.
Preferably, the surface of the positive electrode cap is fixedly connected with the shell, the inner wall of the shell is fixedly connected with the insulating sheet, the upper part of the insulating sheet is fixedly connected with the PT battery template, and the outer wall of the PT battery template is fixedly connected with the PTC thermistor.
Preferably, the inner wall of shell and insulation board fixed connection, the outer wall of insulation board laminates with the negative pole mutually, the outer wall of negative pole laminates with the diaphragm mutually, the outer wall of diaphragm laminates with the positive pole mutually.
Preferably, the inner wall of the shell is movably connected with the electrolyte.
Preferably, the end part of the positive electrode cap is fixedly connected with the positive electrode, and the negative electrode cap of the negative electrode is fixedly connected.
The cylindrical sodium ion battery provided by the utility model has the beneficial effects that: through the part that needs to install is put into to the sodium ion battery slope of cylinder vertically, the second connecting plate on connecting block surface contacts the surface of junction device, and the second connecting plate extrudees the spring, makes the spring leaf shrink to the outer wall of second connecting plate deflects at the fixed block, until the sodium ion battery negative pole of cylinder contacts the other end of erection equipment, realizes the installation under different conditions, makes the application range grow of cylinder sodium ion battery, can use the cylinder sodium ion battery of same model on a large scale to install and use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional elevation view of the structure of FIG. 1;
FIG. 3 is a schematic top view of the cross-sectional structure of FIG. 1;
fig. 4 is an enlarged schematic view of the structure at a in fig. 2.
In the figure: 1. positive electrode cap, 2, exhaust gas valve, 3, connecting device, 301, connecting block, 302, first connecting plate, 303, spring piece, 304, second connecting plate, 305, fixed block, 4, shell, 5, insulating sheet, 6, PT battery template, 7, PTC thermistor, 8, insulating plate, 9, diaphragm, 10, positive electrode, 11, electrolyte, 12, negative electrode cap, 13, negative electrode.
Detailed Description
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the cylindrical sodium ion battery comprises an anode cap 1 and an exhaust gas exhaust valve 2, wherein the exhaust gas exhaust valve 2 is arranged on the outer wall of the anode cap 1, a connecting device 3 is arranged at the upper end of the anode cap 1, a spring piece 303 is extruded by a second connecting plate 304, the spring piece 303 is contracted, the length of the cylindrical sodium ion battery can be controlled, the connection of different devices is realized, the connecting device 3 comprises a connecting block 301, the inner wall of the connecting block 301 is in threaded connection with the anode cap 1, the upper end of the connecting block 301 is fixedly connected with a first connecting plate 302, the first connecting plate 302 is made of conductive iron materials, the lower end of the first connecting plate 302 is fixedly connected with the connecting block 301, the outer wall of the first connecting plate 302 is fixedly connected with the spring piece 303, the end of the spring piece 303 is fixedly connected with a second connecting plate 304, the surface of the first connecting plate 302 is fixedly connected with a fixed block 305, the outer wall of the fixed block 305 is rotationally connected with the second connecting plate 304, and the second connecting plate 304 is made of conductive materials;
the cylindrical sodium ion battery is obliquely and vertically placed in a position to be installed, the second connecting plate 304 on the surface of the connecting block 301 is contacted with the surface of the connecting device, the second connecting plate 304 extrudes the spring 303 to enable the spring 303 to shrink, and the outer wall of the second connecting plate 304 deflects at the fixed block 305 until the negative electrode 13 of the cylindrical sodium ion battery is contacted with the other end of the installing device, so that the installation under different conditions is realized, the application range of the cylindrical sodium ion battery is enlarged, and the cylindrical sodium ion battery with the same model can be widely used for installation.
Referring to fig. 1, 2 and 4, the surface of the positive electrode cap 1 is fixedly connected with the housing 4, the inner wall of the housing 4 is fixedly connected with the insulating sheet 5, the upper part of the insulating sheet 5 is fixedly connected with the PT battery template 6, the model of the T battery template 6 is required to be satisfied according to actual requirements, the PT battery template 6 is used for converting temperature variable into a transportable standardized output signal, the outer wall of the PT battery template 6 is fixedly connected with the PTC thermistor 7, the PTC thermistor 7 is sensitive to temperature, different resistance values are shown at different temperatures, and the model of the PTC thermistor 7 is required to be satisfied according to actual requirements.
Referring to fig. 1 and 2, the inner wall of the casing 4 is fixedly connected with the insulating plate 8, the outer wall of the insulating plate 8 is attached to the negative electrode 13, the outer wall of the negative electrode 13 is attached to the diaphragm 9, the outer wall of the diaphragm 9 is attached to the positive electrode 10, the inner wall of the casing 4 is movably connected with the electrolyte 11, the end part of the positive electrode cap 1 is fixedly connected with the positive electrode 10, and the negative electrode cap 12 of the negative electrode 13 is fixedly connected.
Working principle:
firstly, taking a cylindrical sodium ion battery, obliquely and vertically placing the cylindrical sodium ion battery at a position to be installed until the cylindrical sodium ion battery is flatly placed at the installation position, wherein the anode 10 and the cathode 13 are contacted with electrolyte 11, the metal materials can chemically react in the battery to release electrons, and current is generated, so that electric energy is provided, and when normal working current passes through an anode cap, the PTC thermistor 7 is in a low-resistance state; when abnormal overcurrent passes through the circuit, the heat generated by the large current enables the polymer to expand rapidly, the conductive path formed by the conductive particles is cut off, the PTC thermistor 7 is in a high-resistance state, and after the overcurrent in the circuit disappears, the polymer is cooled, and the volume is restored to be normal;
when the length of the cylindrical sodium ion battery cannot contact the connecting device, the connecting block 301 is spirally installed on the positive electrode cap 1, in the same way, the second connecting plate 304 on the surface of the connecting block 301 contacts the surface of the connecting device, the second connecting plate 304 extrudes the spring 303 to enable the spring piece 303 to shrink, and the outer wall of the second connecting plate 304 deflects at the fixing block 305 until the cylindrical sodium ion battery negative electrode 13 contacts the other end of the installing device, so that the installing and using under different conditions are realized.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a cylinder sodium ion battery, includes positive pole cap (1) and exhaust gas discharge valve (2), its characterized in that are installed to the outer wall of positive pole cap (1): the upper end of anodal cap (1) is equipped with connecting device (3), connecting device (3) are including connecting block (301), the inner wall and anodal cap (1) threaded connection of connecting block (301), the upper end and the first connecting plate (302) fixed connection of connecting block (301), the lower extreme and the connecting block (301) fixed connection of first connecting plate (302), the outer wall and spring leaf (303) fixed connection of first connecting plate (302), the tip and the second connecting plate (304) fixed connection of spring leaf (303), first connecting plate (302) surface and fixed block (305) fixed connection, the outer wall and the second connecting plate (304) of fixed block (305) rotate to be connected.
2. A cylindrical sodium ion battery according to claim 1, wherein: the surface of anodal cap (1) and shell (4) fixed connection, shell (4) inner wall and insulating piece (5) fixed connection, all with PT battery template (6) fixed connection on insulating piece (5), the outer wall and PTC thermistor (7) fixed connection of PT battery template (6).
3. A cylindrical sodium ion battery according to claim 2, wherein: the inner wall of shell (4) and insulation board (8) fixed connection, the outer wall of insulation board (8) is laminated mutually with negative pole (13), the outer wall of negative pole (13) is laminated mutually with diaphragm (9), the outer wall of diaphragm (9) is laminated mutually with anodal (10).
4. A cylindrical sodium ion battery according to claim 2, wherein: the inner wall of the shell (4) is movably connected with the electrolyte (11).
5. A cylindrical sodium ion battery according to claim 3, wherein: the end part of the positive electrode cap (1) is fixedly connected with the positive electrode (10), and the negative electrode cap (12) of the negative electrode (13) is fixedly connected.
CN202320763271.7U 2023-04-07 2023-04-07 Cylindrical sodium ion battery Active CN219286604U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320763271.7U CN219286604U (en) 2023-04-07 2023-04-07 Cylindrical sodium ion battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320763271.7U CN219286604U (en) 2023-04-07 2023-04-07 Cylindrical sodium ion battery

Publications (1)

Publication Number Publication Date
CN219286604U true CN219286604U (en) 2023-06-30

Family

ID=86930334

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320763271.7U Active CN219286604U (en) 2023-04-07 2023-04-07 Cylindrical sodium ion battery

Country Status (1)

Country Link
CN (1) CN219286604U (en)

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