CN217691271U

CN217691271U - Graphene lithium ion battery core structure

Info

Publication number: CN217691271U
Application number: CN202221092207.2U
Authority: CN
Inventors: 黄海波; 姚晓青; 陈森楠
Original assignee: Jiangsu Chaodian New Energy Technology Development Co ltd
Current assignee: Jiangsu Chaodian New Energy Technology Development Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-10-28
Anticipated expiration: 2032-05-09

Abstract

The utility model provides a graphite alkene lithium ion battery cell structure, include: the battery core comprises a battery core body, the upper end of the battery core body is provided with a negative pole column and a positive pole column, the battery core body is provided with a shell body comprising the outer side, the inner side of the shell body is provided with an insulating layer, the inner side of the insulating layer is provided with a negative collector and a positive collector, the inner side of the negative collector is provided with a carbon filling material, the inner side of the positive collector is provided with a lithium compound filling material, the inner sides of the carbon filling material and the lithium compound filling material are provided with electrolyte solution, the upper end and the lower end of the battery core body are respectively provided with a top isolation plate and a bottom isolation plate, and the inside of the top isolation plate is provided with a connecting groove. The utility model provides a current lithium ion battery electric core have duration weaker, the capacity is less than and charge time is longer not enough, and positive negative pole post is connected firmly inadequately, leads to the problem of easy damage.

Description

Graphene lithium ion battery core structure

Technical Field

The utility model relates to a lithium ion battery cell technical field, concretely relates to graphite alkene lithium ion battery cell structure.

Background

The material of the battery varies greatly. The voltage formed by different materials is different from the salt water in the 'voltaic pile', the dilute sulfuric acid in the copper battery, the ammonium chloride in the carbon zinc battery, the pasty electrolyte in the dry battery, the iron nickel battery and the like, and the electric quantity which can be stored by the battery is also different. In continuous trials and experiments, lithium ion batteries are coming out and become the best partner of intelligent electronic products at present.

However, for the existing development and demand, the existing lithium ion battery electric core still has the defects of weak cruising ability, small capacity and long charging time, in addition, the positive and negative poles led out from the outer end of the lithium ion battery core plate are generally integrally connected by welding, and the welding area of the contact surface is small because the positive and negative poles are in contact with the electric core plate plane during welding, so that the phenomenon of electrode pole welding failure is easy to occur under the condition of installation or falling.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, a graphene lithium ion battery core body structure is provided so as to solve the problems that the conventional lithium ion battery core body has the defects of weak endurance, small capacity and long charging time, and the positive and negative poles are not firmly connected, so that the lithium ion battery core body is easy to damage.

In order to realize the above-mentioned purpose, provide a graphite alkene lithium ion electric core structure, include:

the battery core comprises a battery core body, the upper end of the battery core body is provided with a negative pole column and a positive pole column, the battery core body is provided with a shell body comprising the outer side, the inner side of the shell body is provided with an insulating layer, the inner side of the insulating layer is provided with a negative collector and a positive collector, the inner side of the negative collector is provided with a carbon filling material, the inner side of the positive collector is provided with a lithium compound filling material, the inner sides of the carbon filling material and the lithium compound filling material are provided with electrolyte solution, the upper end and the lower end of the battery core body are respectively provided with a top isolation plate and a bottom isolation plate, and the inside of the top isolation plate is provided with a connecting groove.

Furthermore, the lower ends of the negative pole column and the positive pole column are provided with a conductive column and a connecting column, and the connecting column and the conductive column are in a conical structure.

Furthermore, the connecting grooves are correspondingly inserted into the connecting columns and are welded and fixed, and the conducting columns are inserted into the negative collector and the positive collector respectively.

Furthermore, the top insulating plate and the bottom insulating plate are fixed on the inner side of the outer shell, and the outer shell is made of aluminum alloy materials.

Furthermore, a membrane layer and a graphene layer with a layered structure are arranged in the electrolyte solution, and the membrane layer and the graphene layer are sequentially and alternately arranged.

Further, the battery cell body, the negative pole column and the positive pole column are all set to be rectangular block-shaped structures, and the negative pole column and the positive pole column are respectively arranged at two corners of the battery cell body.

The utility model has the advantages that, the utility model discloses a graphite alkene lithium ion electricity core structure utilizes the carbon filling material and the lithium compound filling material that the electricity core body inside set up, makes in the charging process, lithium compound filling material ionizes out lithium ion, then utilizes graphite alkene high conductivity on graphite alkene layer to shuttle lithium ion between graphite alkene surface and positive and negative electrode material fast, then imbeds in the negative pole carbon structure layer micropore and store in a large number, and then is convenient for improve electricity core capacity and duration, and has shortened the charge time; utilize the spliced pole of positive negative utmost point post lower extreme for fill the soldering material that melts in advance inside the collecting electrode spread groove, again with spliced pole and lead electrical pillar embedding installation, make the area that the soldering is connected increase, strengthened the stability that positive negative utmost point post is connected, and then not fragile.

Drawings

Fig. 1 is the utility model discloses electric core body outward appearance structure sketch map.

Fig. 2 is the utility model discloses electric core body inner structure schematic diagram.

Fig. 3 is a schematic structural diagram of a position a in fig. 2 according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a location B in fig. 2 according to an embodiment of the present invention.

1. A cell body; 2. a negative pole post; 3. a positive post; 4. an outer housing; 5. an insulating layer; 6. a negative collector electrode; 7. a carbon filler material; 8. a bottom insulating panel; 9. a lithium compound filler material; 10. a positive collector electrode; 11. a top insulating panel; 12. a conductive post; 13. connecting columns; 14. connecting grooves; 15. a separator layer; 16. an electrolyte solution; 17. a graphene layer.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can be implemented or applied by other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

Fig. 1 is the utility model discloses electric core body outward appearance structure schematic diagram, fig. 2 are the utility model discloses an electric core body inner structure schematic diagram, fig. 3 are the utility model discloses an in fig. 2A department structure schematic diagram, fig. 4 do the utility model discloses a B department structure schematic diagram in fig. 2.

Referring to fig. 1 to 4, the utility model provides a graphite alkene lithium ion battery cell structure, include: cell body 1, negative pole post 2, positive pole post 3, spliced pole 13 and spread groove 14.

Specifically, the upper end of electric core body 1 is provided with negative pole post 2 and positive post 3, and electric core body 1 sets up shell body 4 including the outside, the inboard of shell body 4 is provided with insulating layer 5, and the inboard of insulating layer 5 is provided with negative collecting electrode 6 and positive collecting electrode 10, the inboard of negative collecting electrode 6 is provided with carbon filling material 7, and the inboard of positive collecting electrode 10 is provided with lithium compound filling material 9, and the inboard of carbon filling material 7 and lithium compound filling material 9 is provided with electrolyte solution 16, the upper and lower end of electric core body 1 is provided with top insulating board 11 and bottom insulating board 8 respectively, and the inside of top insulating board 11 is provided with spread groove 14.

In the present embodiment, the insulation layer 5 enhances the isolation between the inner collector material and the outer shell 4, and the insulation layer 5 is formed by filling insulating glue to achieve the insulation and collision buffer protection performance.

The upper ends of the negative collector 6 and the positive collector 10 are provided with embedded conductive grooves, which are convenient for connecting with the conductive posts 12, and the upper ends of the conductive grooves are covered by the top isolation plate 11.

The lower ends of the negative pole column 2 and the positive pole column 3 are respectively provided with a conductive column 12 and a connecting column 13, and the connecting column 13 and the conductive column 12 are in a conical structure.

As a preferred embodiment, the cylindrical connecting column 13 and the conductive column 12 are convenient for insertion installation, and form a welding space upwards after installation, so as to facilitate welding operation.

The connecting grooves 14 are respectively inserted and welded with the connecting posts 13, and the conductive posts 12 are respectively inserted and connected to the insides of the negative collector electrode 6 and the positive collector electrode 10.

As a preferred embodiment, during installation, the connecting groove 14 is filled with melted solder liquid in advance, then the conductive post 12 and the connecting post 13 are inserted and connected quickly, and then the surface is soldered and packaged, so as to increase the soldering area and improve the firmness.

The top insulating plate 11 and the bottom insulating plate 8 are fixed on the inner side of the outer shell 4, and the outer shell 4 is made of aluminum alloy material.

As a preferred embodiment, the outer casing 4, the top insulating plate 11 and the bottom insulating plate 8 play a role of wrapping protection, and the outer casing 4 made of aluminum alloy material reduces the weight of the electric core body 1 and relieves the thermal expansion and contraction reaction.

The inside of the electrolyte solution 16 is provided with a membrane layer 15 and a graphene layer 17 having a layered structure, and the membrane layer 15 and the graphene layer 17 are alternately arranged in this order.

As a preferred embodiment, the separator layer 15 prevents the current of the negative electrode material and the current of the positive electrode material from influencing each other to cause the performance degradation of the cell body 1; graphene layer 17 strengthens the ability of shuttling lithium ions, and compared with the transmission of light simple electrolyte, charging efficiency is faster.

The battery cell body 1, the negative pole column 2 and the positive pole column 3 are all arranged to be rectangular block-shaped structures, and the negative pole column 2 and the positive pole column 3 are arranged and installed at two corners of the battery cell body 1 respectively.

The utility model discloses a graphite alkene lithium ion battery core structure can effectively solve current lithium ion battery electrical core and have the duration weaker, the capacity is slightly little and charge time is longer not enough, and positive negative pole post is connected firmly inadequately, lead to the problem of easy damage, utilize carbon filling material and the lithium compound filling material that the electricity core body is inside to set up, make in the charging process, lithium compound filling material ionization goes out lithium ion, then utilize graphite alkene high conductivity on graphite alkene layer to shuttle lithium ion between graphite alkene surface and positive and negative electrode material fast, then imbed in the negative pole carbon structure layer micropore and store in a large number, and then be convenient for improve electrical core capacity and duration, and shortened charge time; utilize the spliced pole of positive negative utmost point post lower extreme for fill the soldering material that melts in advance inside the collecting electrode spread groove, again with spliced pole and lead electrical pillar embedding installation, make the area that the soldering is connected increase, strengthened the stability that positive negative utmost point post is connected, and then not fragile.

Claims

1. A graphene lithium ion battery cell structure, comprising: the battery cell comprises a battery cell body (1), wherein a negative pole column (2) and a positive pole column (3) are arranged at the upper end of the battery cell body (1), the battery cell body (1) is provided with an outer shell (4) comprising the outer side, an insulating layer (5) is arranged on the inner side of the outer shell (4), a negative collector (6) and a positive collector (10) are arranged on the inner side of the insulating layer (5), a carbon filling material (7) is arranged on the inner side of the negative collector (6), a lithium compound filling material (9) is arranged on the inner side of the positive collector (10), electrolyte solution (16) is arranged on the inner sides of the carbon filling material (7) and the lithium compound filling material (9), a top isolation plate (11) and a bottom isolation plate (8) are respectively arranged at the upper end and the lower end of the battery cell body (1), and a connecting groove (14) is arranged inside the top isolation plate (11).

2. The graphene lithium ion battery core structure according to claim 1, wherein the lower ends of the negative pole (2) and the positive pole (3) are provided with a conductive column (12) and a connecting column (13), and the connecting column (13) and the conductive column (12) are arranged in a conical structure.

3. The graphene lithium ion battery cell structure according to claim 1, wherein the connecting grooves (14) are respectively inserted into the connecting posts (13) and fixed by welding, and the conducting posts (12) are respectively inserted into the negative collector (6) and the positive collector (10).

4. The graphene lithium ion battery core structure according to claim 1, wherein the top insulation plate (11) and the bottom insulation plate (8) are fixed on the inner side of the outer shell (4), and the outer shell (4) is made of aluminum alloy material.

5. The graphene lithium ion battery cell structure according to claim 1, wherein a separator layer (15) and a graphene layer (17) are arranged in the electrolyte solution (16) in a layered structure, and the separator layer (15) and the graphene layer (17) are alternately arranged in sequence.

6. The graphene lithium ion battery core structure according to claim 1, wherein the cell body (1) and the negative pole (2) and the positive pole (3) are configured as rectangular block structures, and the negative pole (2) and the positive pole (3) are configured to be respectively mounted at two corners of the cell body (1).