CN218568882U

CN218568882U - Novel special positive electrode material cup for lithium ion cylindrical battery

Info

Publication number: CN218568882U
Application number: CN202220626778.3U
Authority: CN
Inventors: 邓纶浩; 彭金兰
Original assignee: Jiangxi Jiuding Power New Energy Technology Co ltd
Current assignee: Jiangxi Jiuding Power New Energy Technology Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2023-03-03
Anticipated expiration: 2032-03-22

Abstract

The utility model discloses a novel positive material cup special for a lithium ion cylindrical battery, wherein the positive material cup is cylindrical, and fine small holes are uniformly distributed on the cup body and the cup bottom; one end of the anode material cup is opened, 3 anode posts are uniformly distributed at the opening along the circumferential direction and are uniformly distributed at the opening end of the anode material cup by 120 degrees, and the anode posts are arc-shaped and can be matched with a connecting pore plate in the cap in an inserting manner. The utility model is used for producing a lithium ion cylindrical battery according to a novel dry battery process, is used for filling anode materials, and can be well inserted with a connecting pore plate on a cover cap by arranging three anode posts which are uniformly distributed at 120 degrees at the opening end, thereby realizing the conduction of an anode; the process for producing the lithium ion cylindrical battery can save a large amount of equipment acquisition cost, shorten the production period by more than half compared with the prior art, and reduce the battery processing cost by more than 50 percent.

Description

Novel special positive electrode material cup for lithium ion cylindrical battery

Technical Field

The utility model relates to a lithium ion battery technical field especially relates to a novel special anodal material cup of lithium ion cylinder battery.

Background

The lithium battery has the advantages of small volume, large capacity, long service life, low self-discharge rate, no memory effect, environmental protection and the like, and is widely applied to commercial vehicles, special vehicles, electric bicycles, energy storage systems, medical instruments and the like at present. However, the existing lithium ion battery production processes are many processes such as material preparation, coating, rolling, slitting, sheet making, winding and the like, many devices are needed to be purchased, the production period is long, and the production cost is high. The novel lithium ion cylindrical battery is designed, the production processes can be reduced, the production cost is reduced, and a special anode material cup is required.

Disclosure of Invention

In order to solve the above-mentioned current lithium ion battery production cycle length, problem that manufacturing cost is high, the utility model provides a novel special anodal material cup of lithium ion cylinder battery.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel positive electrode material cup special for a lithium ion cylindrical battery comprises a steel shell and a cap, wherein the steel shell is cylindrical, and one end of the steel shell is provided with an opening and a rolling groove for being in compression joint with the cap; the steel shell is filled with a negative electrode material, and a positive electrode material cup is embedded in the middle of the negative electrode material and is used for filling a positive electrode material; an isolation cup made of microporous PP/PE is sleeved outside the positive electrode material cup, one end of the isolation cup is open, and the open end is higher than the positive electrode material cup, so that positive and negative electrode materials can be effectively isolated; the positive material cup is cylindrical, and fine small holes are uniformly distributed in the cup body and the cup bottom; one end of the positive pole material cup is opened, 3 positive poles are uniformly distributed at the opening along the circumferential direction and are uniformly distributed at the opening end of the positive pole material cup by 120 degrees, and the positive poles are arc-shaped and can be matched with a connection pore plate in a cover cap in an inserting mode.

Preferably, the positive material cup is made of 3215 aluminum material, and the thickness of the aluminum material is 0.25-0.35mm.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is used for producing a lithium ion cylindrical battery according to a novel dry battery process, is used for filling anode materials, and can be well inserted with a connecting pore plate on a cover cap by arranging three anode posts which are uniformly distributed at 120 degrees at the opening end, thereby realizing the conduction of an anode; the production process of the process does not have a sheet making process of a coating, rolling and splitting machine, and only has the processes of material preparation, filling, groove rolling, sealing, activation, formation and volume grading; the process for producing the lithium ion cylindrical battery can save a large amount of equipment acquisition cost, shorten the production period by more than half compared with the prior art, and reduce the battery processing cost by more than 50 percent.

Drawings

FIG. 1 is a schematic sectional view of a novel lithium ion cylindrical battery;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic top view of the present invention.

In the figure: 1. the device comprises a steel shell, 2, a cover cap, 3, a positive pole material cup, 31, a small hole, 4, an isolation cup, 5 and a positive pole.

Detailed Description

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", 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 the description, but do not indicate or imply that the device or element 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 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.

As shown in fig. 1 to 3, the embodiment of the present invention includes a steel shell 1 and a cap 2, wherein the steel shell 1 is cylindrical, and has an open end and a rolling groove for pressing with the cap 2; the steel shell 1 is filled with a negative electrode material, and a positive electrode material cup 3 is embedded in the middle of the negative electrode material and used for filling a positive electrode material; an isolation cup 4 made of microporous PP/PE is sleeved outside the positive electrode material cup 3, one end of the isolation cup 4 is open, and the open end is higher than the positive electrode material cup 3, so that positive and negative electrode materials can be effectively isolated; the positive material cup 3 is cylindrical, and fine small holes 31 are uniformly distributed on the cup body and the cup bottom; 3 one end openings of anodal material cup, and the opening part has 3 anodal post 5 along circumference equipartition, is 120 evenly distributed in 3 open ends of anodal material cup, and anodal post 5's shape is the arc, can peg graft the cooperation with the connection orifice plate in the block cap 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel positive electrode material cup special for a lithium ion cylindrical battery comprises a steel shell and a cap, wherein the steel shell is cylindrical, and one end of the steel shell is provided with an opening and a rolling groove and is used for being in compression joint with the cap; the steel shell is filled with a negative electrode material, and a positive electrode material cup is embedded in the middle of the negative electrode material and is used for filling a positive electrode material; an isolation cup made of microporous PP/PE is sleeved outside the positive electrode material cup, one end of the isolation cup is open, and the open end is higher than the positive electrode material cup, so that positive and negative electrode materials can be effectively isolated; the method is characterized in that: the positive material cup is cylindrical, and fine small holes are uniformly distributed in the cup body and the cup bottom; one end of the positive pole material cup is opened, 3 positive poles are uniformly distributed at the opening along the circumferential direction and are uniformly distributed at the opening end of the positive pole material cup by 120 degrees, and the positive poles are arc-shaped and can be matched with a connection pore plate in a cover cap in an inserting mode.

2. The novel positive electrode material cup special for the lithium ion cylindrical battery as claimed in claim 1, wherein: the positive material cup is made of 3215 aluminum material, and the thickness of the aluminum material is 0.25-0.35mm.