CN211605195U

CN211605195U - Cylindrical lithium ion battery of high magnification

Info

Publication number: CN211605195U
Application number: CN201922421726.3U
Authority: CN
Inventors: 席晓飞; 曾庆传; 冯勇; 孟文愿
Original assignee: Huainan Youke New Energy Co ltd
Current assignee: Huainan Youke New Energy Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-29
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a cylindrical lithium ion battery of high magnification, including protecting sheathing, the protecting sheathing below is equipped with the liquid outlet pipe hole, the protecting sheathing top is equipped with the feed liquor pipe hole, be equipped with the battery compartment in the protecting sheathing, the battery compartment upper end is equipped with sealed lid, the battery compartment lower extreme is equipped with the lower sealing cover, be equipped with the cold pipe of spiral in the protecting sheathing, be equipped with anodal post and negative pole post in the battery compartment, be equipped with the diaphragm between anodal post and the negative pole post, diaphragm thickness is the same with anodal post and negative pole post, anodal post and negative pole post upper end are equipped with first copper cap and second copper cap respectively, anodal post and negative pole post lower extreme all are equipped with copper base lithium piece, the battery compartment intussuseption is filled with semisolid state polymer. The utility model discloses simple structure has effectively strengthened the electric conductivity of positive negative pole, improves its electrode capacity, and the electric capacity increases, has strengthened the performance of lithium cell, and the radiating effect is good, has improved the life and the security of lithium cell.

Description

Cylindrical lithium ion battery of high magnification

Technical Field

The utility model relates to a lithium cell field specifically is a cylindrical lithium ion battery of high magnification.

Background

Lithium batteries are batteries which use lithium metal or lithium alloy as a negative electrode material and use non-aqueous electrolyte solution, and because the chemical characteristics of the lithium metal are very active, the lithium metal has very high requirements on the environment for processing, storing and using, so the lithium batteries are not applied for a long time, and along with the development of scientific technology, the lithium batteries become mainstream at present, and the lithium batteries can be roughly divided into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain metallic lithium and can be charged, and the fifth generation lithium metal batteries of rechargeable batteries were born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of the lithium metal batteries are superior to those of the lithium ion batteries. Due to the limitation of high technical requirements of the lithium metal battery, only a few national companies produce the lithium metal battery, miniaturized equipment is increased day by day along with the development of microelectronic technology at the end of the twentieth century, high requirements are provided for power supplies, the lithium battery enters a large-scale practical stage, the high-rate lithium battery generates heat seriously when in use, and the lithium battery needs to be cooled when being used in some occasions, so that the high-rate cylindrical lithium battery is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cylindrical lithium ion battery of high magnification, simple structure has effectively strengthened the electric conductivity of positive negative pole, improves its electrode capacity, and the electric capacity increases, has strengthened the performance of lithium cell, and the radiating effect is good, has improved the life and the security of lithium cell.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a cylindrical lithium ion battery of high magnification, includes protecting sheathing, the protecting sheathing below is equipped with out the liquid pipe hole, and the protecting sheathing top is equipped with the feed liquor pipe hole, is equipped with the battery compartment in the protecting sheathing, and the battery compartment upper end is equipped with sealed lid, and the battery compartment lower extreme is equipped with lower sealing cover, is equipped with the cold pipe of spiral in the protecting sheathing, is equipped with anodal post and negative pole post in the battery compartment, is equipped with the diaphragm between anodal post and the negative pole post.

Further, the thickness of the diaphragm is the same as that of the positive and negative poles.

Further, the surface of the diaphragm is covered with a protective film.

Furthermore, the upper ends of the positive pole column and the negative pole column are respectively provided with a first copper cap and a second copper cap.

Furthermore, copper-based lithium sheets are arranged at the lower ends of the positive pole column and the negative pole column.

Further, the battery compartment is filled with semi-solid polymer electrolyte.

Furthermore, a liquid inlet pipe is arranged at one end of the spiral cold pipe, a liquid outlet pipe is arranged at the other end of the spiral cold pipe, and cooling liquid is introduced into the spiral cold pipe.

Furthermore, heat conduction materials are filled between gaps of the spiral cold pipes in the protective shell.

The utility model has the advantages that:

1. the utility model has simple structure, effectively enhances the conductivity of the positive and negative electrodes, improves the electrode capacity and increases the capacitance;

2. the utility model discloses strengthened the performance of lithium cell, the radiating effect is good, has improved the life and the security of lithium cell.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a high-rate cylindrical lithium ion battery of the present invention;

fig. 2 is a structural cross-sectional view of the high-rate cylindrical lithium ion battery of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

The utility model provides a cylindrical lithium ion battery of high magnification, includes protecting sheathing 1, as shown in fig. 1, fig. 2, protecting sheathing 1 below is equipped with liquid outlet pipe hole 11, protecting sheathing 1 top is equipped with liquid inlet pipe hole 12, be equipped with battery compartment 13 in the protecting sheathing 1, battery compartment 13 upper end is equipped with sealed lid 9, battery compartment 13 lower extreme is equipped with sealed lid 7 down, be equipped with spiral cold pipe 2 in the protecting sheathing 1, be equipped with positive post 4 and negative pole post 5 in the battery compartment 13, be equipped with diaphragm 6 between positive post 4 and the negative pole post 5.

The thickness of the diaphragm 6 is the same as that of the positive pole column 4 and the negative pole column 5, the surface of the diaphragm 6 is covered with a protective film, the upper ends of the positive pole column 4 and the negative pole column 5 are respectively provided with a first copper cap 41 and a second copper cap 51, and the lower ends of the positive pole column 4 and the negative pole column 5 are respectively provided with a copper-based lithium sheet 8.

Battery compartment 13 intussuseption is filled with semi-solid state polymer electrolyte 3, and 2 one ends of spiral cold tube are equipped with

feed liquor pipe

23, and 2 other ends of spiral cold tube are equipped with drain pipe 24, let in coolant liquid 22 in the spiral cold tube 2, and it has heat conduction material 21 to fill between the spiral cold tube 2 gap in the protective housing 1.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. 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.

Claims

1. The utility model provides a cylindrical lithium ion battery of high magnification, includes protecting sheathing (1), a serial communication port, protecting sheathing (1) below is equipped with liquid outlet pipe hole (11), protecting sheathing (1) top is equipped with feed liquor pipe hole (12), be equipped with battery compartment (13) in protecting sheathing (1), battery compartment (13) upper end is equipped with sealed lid (9), battery compartment (13) lower extreme is equipped with lower sealing lid (7), be equipped with spiral cold pipe (2) in protecting sheathing (1), be equipped with anodal post (4) and negative pole post (5) in battery compartment (13), be equipped with diaphragm (6) between anodal post (4) and negative pole post (5).

2. The cylindrical lithium ion battery with high rate of claim 1, wherein the thickness of the diaphragm (6) is the same as that of the positive pole (4) and the negative pole (5).

3. The cylindrical lithium ion battery with high rate as claimed in claim 1, wherein the surface of the separator (6) is covered with a protective film.

4. The cylindrical lithium ion battery with high rate according to claim 1, wherein the upper ends of the positive pole pillar (4) and the negative pole pillar (5) are respectively provided with a first copper cap (41) and a second copper cap (51).

5. The cylindrical lithium ion battery with high rate according to claim 1, wherein the lower ends of the positive pole (4) and the negative pole (5) are provided with copper-based lithium sheets (8).

6. The cylindrical lithium ion battery with high rate according to claim 1, wherein the battery compartment (13) is filled with a semi-solid polymer electrolyte (3).

7. The cylindrical lithium ion battery with high rate according to claim 1, wherein one end of the spiral cold pipe (2) is provided with a liquid inlet pipe (23), the other end of the spiral cold pipe (2) is provided with a liquid outlet pipe (24), and cooling liquid (22) is introduced into the spiral cold pipe (2).

8. The cylindrical lithium ion battery with high rate according to claim 1, characterized in that the gaps of the spiral cold tube (2) in the protective shell (1) are filled with heat conducting material (21).