CN212907857U

CN212907857U - Lithium battery with negative electrode structure

Info

Publication number: CN212907857U
Application number: CN202022006478.9U
Authority: CN
Inventors: 夏祥华; 何志能; 叶义林
Original assignee: Hunan Kainafang Technology Co ltd
Current assignee: Hunan Kainafang Technology Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-04-06
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a lithium cell of negative electrode structure, including battery body, graphite rod, heat pipe, inoxidizing coating and battery positive pole, the graphite rod is installed to the inside one side of battery body, the heat pipe is installed to the inside one side of graphite rod, the inoxidizing coating is installed to the outside one side of graphite rod, the lag is installed to the outside one side of battery body, the inside one side of lag is provided with equidistant louvre, the inside one side of keeping away from the louvre of lag installs the negative pole fin, the inside one side of keeping away from the negative pole fin of lag installs the positive pole fin. The utility model discloses a surface at the lag is provided with the louvre, and one side on positive pole fin and negative pole fin surface has also set up the radiating groove simultaneously, can give off the heat that produces in the battery work, and the maintenance battery uses, has realized the device radiating function of being convenient for.

Description

Lithium battery with negative electrode structure

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium cell of negative electrode structure.

Background

The application of the lithium battery is more and more extensive, and the lithium battery has the advantages of high specific capacity, long service life, large stored electricity, environmental protection and the like, the negative electrode of the lithium battery is made of a negative electrode material or a carbon material, and the lithium battery has the advantage of environmental protection and is one of main energy sources of new energy automobiles and various electronic devices at present, so that the market using amount of the lithium battery is large in continuous ore breaking, and the economic development is promoted to a certain extent;

the lithium cell is in the use, need protect the lithium cell, and the lithium cell can emit a large amount of heats in the use, and the heat is piled up and is made the inside temperature of battery also follow the rising, and the inside activity of battery risees, and the lithium cell is overheated surface easily and can produce the lug that swells, can explode when serious, has certain potential safety hazard, also can influence the life of lithium cell.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell of negative electrode structure to solve the radiating problem of inconvenient lithium cell that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lithium battery with a negative electrode structure comprises a battery body, a graphite rod, a heat conduction pipe, a protective layer and a battery anode, wherein the graphite rod is installed on one side inside the battery body, the heat conduction pipe is installed on one side inside the graphite rod, the protective layer is installed on one side outside the graphite rod, a protective sleeve is installed on one side outside the battery body, heat dissipation holes with equal intervals are formed in one side inside the protective sleeve, a negative cooling fin is installed on one side, far away from the heat dissipation holes, inside the protective sleeve, an anode cooling fin is installed on one side, far away from the negative cooling fin, of the surface of the anode cooling fin and one side, on the surface of the heat dissipation groove, of the protective sleeve, a shell is installed on one side outside the protective sleeve, through holes with equal intervals are formed in one side of the surface of the shell, and the battery anode, the one end of battery positive pole extends to the outside of shell, anodal helmet is installed to the outer wall of battery positive pole one side, the one end and the shell of anodal helmet are connected, the battery body outside is kept away from the anodal one side of battery and is installed the battery negative pole, the one end of battery negative pole extends to the outside of shell, the externally mounted of battery negative pole one side has the negative pole helmet, the thermal conductivity head is installed to the one end of heat pipe, the inside one side of battery negative pole is provided with the electric current hole, the negative pole pipe is installed to the inside one side in electric current hole, lithium electricity current collector is installed to the outer wall of battery negative pole one side.

Preferably, the positive protective cap is arranged on one side of the outside of the positive electrode of the battery, the negative protective cap is arranged on one side of the outside of the negative electrode of the battery, and the positive protective cap and the protective sleeve are symmetrically distributed about the vertical middle axis of the battery body.

Preferably, the positive and negative heat dissipation fins are distributed on both sides of the inside of the battery body, and the positive and negative heat dissipation fins are symmetrically distributed about a vertical central axis of the battery body.

Preferably, a battery body is installed on one side inside the protective sleeve, and the minimum inner diameter of the protective sleeve is larger than the maximum outer diameter of the battery body.

Preferably, the heat dissipation holes are distributed in an equidistant array on one side inside the protective sleeve, and the heat dissipation holes are symmetrically distributed about a horizontal central axis of the battery body.

Preferably, the lithium current collector is installed on the outer wall of one side of the battery cathode, and the lithium current collector is symmetrically distributed about the vertical central axis of the battery body.

Compared with the prior art, the beneficial effects of the utility model are that: the lithium battery with the negative electrode structure not only realizes the function of the device for facilitating heat dissipation and the function of the device for facilitating protection of the lithium battery, but also realizes the function of the device for facilitating protection of the negative electrode of the lithium battery.

1. The heat generated by the battery can be led out through the heat conducting pipe after the battery is used, the battery can emit a large amount of heat after being used for a long time, the heat dissipation holes are formed in the surface of the protective sleeve, and the heat dissipation grooves are formed in one side of the surfaces of the positive heat dissipation fin and the negative heat dissipation fin, so that the heat generated during the operation of the battery can be dissipated, and the function of facilitating heat dissipation of the device is realized;

2. the heat conduction pipe is used for heating, the graphite rod is used for conducting electricity, the current is led into the battery anode and the battery cathode, the current is stored in the current hole, then the current passes through the lithium current collecting piece, the lithium current collecting piece guides the current into an object needing electric quantity, so that the battery can be used only by installing the battery anode and the battery cathode into the object needing electric quantity, the protection layer is arranged outside the graphite rod to protect the interior of the device, meanwhile, the protection cover and the heat dissipation holes are arranged outside the battery body, the battery body can be protected, the service life of the battery body is prolonged, and the function of the device for protecting the lithium battery conveniently is realized;

3. after the battery is used, the positive electrode and the negative electrode of the battery are required to be protected, once the positive electrode and the negative electrode of the battery are damaged, the whole battery cannot be used, so that the positive electrode protective cap and the negative electrode protective cap are installed on one side of the surfaces of the positive electrode and the negative electrode of the battery, other impurities such as dust and the like are prevented from entering the positive electrode and the negative electrode of the battery, long-term use of the battery body is ensured, the work of the lithium battery with the negative electrode structure is finally completed, and the function that the device is convenient for protecting the negative electrode of the lithium battery is realized.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;

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

FIG. 3 is a schematic side view of the heat dissipation plate of the present invention;

fig. 4 is a schematic diagram of a negative electrode structure of a lithium battery of the present invention.

In the figure: 1. a battery body; 2. a graphite rod; 3. a heat conducting pipe; 4. a protective layer; 5. a battery positive electrode; 6. a positive electrode protection cap; 7. a positive electrode heat sink; 8. a protective sleeve; 9. heat dissipation holes; 10. A housing; 11. a negative heat sink; 12. a heat sink; 13. a battery negative electrode; 14. a negative electrode protection cap; 15. a heat conducting head; 16. a through hole; 17. a cathode tube; 18. an current aperture; 19. lithium electricity current collector.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a lithium battery with a negative electrode structure comprises a battery body 1, a graphite rod 2, a heat conduction pipe 3, a protective layer 4 and a battery anode 5, wherein the graphite rod 2 is installed on one side inside the battery body 1, the heat conduction pipe 3 is installed on one side inside the graphite rod 2, a heat conduction head 15 is installed at one end of the heat conduction pipe 3, the protective layer 4 is installed on one side outside the graphite rod 2, a protective sleeve 8 is installed on one side outside the battery body 1, the battery body 1 is installed on one side inside the protective sleeve 8, the minimum inner diameter of the protective sleeve 8 is larger than the maximum outer diameter of the battery body 1, a shell 10 is installed on one side outside the protective sleeve 8, through holes 16 with equal intervals are formed in one side of the surface of the shell 10, the heat conduction pipe 3 generates heat, the current is conducted through the graphite rod 2, the current is guided into the battery anode 5 and a battery cathode, the lithium current collector 19 guides current into an object needing electricity, so that the battery can be used only by installing the battery anode 5 and the battery cathode 13 into the object needing electricity, the protection layer 4 is arranged outside the graphite rod 2 to protect the inside of the device, and the protection sleeve 8 and the heat dissipation hole 9 are arranged outside the battery body 1 to protect the battery body 1, prolong the service life of the battery body 1 and realize the function of the device for protecting the lithium battery conveniently;

the heat dissipation holes 9 are arranged at equal intervals on one side inside the protective sleeve 8, the heat dissipation holes 9 are distributed in an array at equal intervals on one side inside the protective sleeve 8, the heat dissipation holes 9 are symmetrically distributed about the horizontal central axis of the battery body 1, the negative heat dissipation fins 11 are arranged on one side, far away from the heat dissipation holes 9, inside the protective sleeve 8, the positive heat dissipation fins 7 are arranged on one sides, far away from the negative heat dissipation fins 11, inside the protective sleeve 8, the positive heat dissipation fins 7 and the negative heat dissipation fins 11 are both distributed on two sides inside the battery body 1, the positive heat dissipation fins 7 and the negative heat dissipation fins 11 are symmetrically distributed about the vertical central axis of the battery body 1, the heat dissipation grooves 12 are arranged on one sides of the surfaces of the positive heat dissipation fins 7 and the heat dissipation grooves 12, the heat generated after the battery is used can be led out through the heat conduction pipes 3, meanwhile, the heat dissipation grooves 12 are formed in one side of the surfaces of the positive heat dissipation fins 7 and the negative heat dissipation fins 11, so that heat generated in the working process of the battery can be dissipated, and the function of facilitating heat dissipation of the device is achieved;

the battery comprises a battery body 1, a battery anode 5, a battery cathode 13, a battery anode protective cap 6, a cathode tube 17, a cathode tube 19, a lithium current collecting piece 19, a lithium battery piece 19, a cathode protective cap 6, a cathode protective cap 14, a cathode tube 18, a cathode tube 17, a cathode tube current hole 13, a lithium battery current collecting piece 19, a battery cathode protective cap 6 and a battery cathode protective cap 6, wherein the outer wall of one side of the battery body 1 is provided with the battery anode 5, one end of the battery anode 5 extends to the outside of a shell 10, the outer wall of one side of the battery cathode 5 is provided with the cathode protective cap 6, one end of the cathode protective cap 6 is connected with the shell 10, one end of the battery cathode 13 extends to the outside of the shell 10, the cathode protective cap 14 is arranged on the outside of one side of the battery cathode 13, one side of the battery, the negative pole protective cap 14 is arranged on one side outside the battery negative pole 13, the positive pole protective cap 6 and the protective sleeve 8 are symmetrically distributed about the vertical central axis of the battery body 1, after the battery is used, the battery positive pole 5 and the battery negative pole 13 need protection, once the battery positive pole 5 and the battery negative pole 13 are damaged, the whole battery cannot be used, therefore, the positive pole protective cap 6 and the negative pole protective cap 14 are arranged on one side of the surfaces of the battery positive pole 5 and the battery negative pole 13, other impurities such as dust and the like are prevented from entering the battery positive pole 5 and the battery negative pole 13, the long-term use of the battery body 1 is ensured, the work of the lithium battery with the negative pole electrode structure is finally completed, and the function of the device for protecting the negative pole of the lithium battery is realized.

The working principle is as follows: when the device is used, firstly, the graphite rod 2 is arranged in the battery body 1, the heat conduction pipe 3 is arranged in the graphite rod 2, heat is generated through the heat conduction pipe 3, the graphite rod 2 conducts electricity, current is led into the battery anode 5 and the battery cathode 13, the current is stored in the current hole 18, then the current passes through the lithium current collecting piece 19, the lithium current collecting piece 19 leads the current into an object needing electricity, so that the battery can be used only by installing the battery anode 5 and the battery cathode 13 into the object needing electricity, the protection layer 4 is arranged outside the graphite rod 2 to protect the inside of the device, and meanwhile, the protection sleeve 8 and the heat dissipation hole 9 are arranged outside the battery body 1, so that the battery body 1 can be protected, and the service life of the battery body 1 is prolonged;

after the battery is used, the generated heat can be led out through the heat conduction pipe 3, the battery can emit a large amount of heat after being used for a long time, and the heat dissipation holes 9 are formed in the surface of the protective sleeve 8, and meanwhile, the heat dissipation grooves 12 are formed in one side of the surfaces of the positive heat dissipation fin 7 and the negative heat dissipation fin 11, so that the heat generated in the working process of the battery can be dissipated;

finally, after the battery is used, the battery anode 5 and the battery cathode 13 both need to be protected, once the battery anode 5 and the battery cathode 13 are damaged, the whole battery cannot be used, so that the anode protective cap 6 and the cathode protective cap 14 are arranged on one side of the surfaces of the battery anode 5 and the battery cathode 13, other impurities such as dust are prevented from entering the battery anode 5 and the battery cathode 13, the long-term use of the battery body 1 is ensured, and the work of the lithium battery with the cathode electrode structure is finally completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a lithium cell of negative electrode structure, includes battery body (1), graphite rod (2), heat pipe (3), inoxidizing coating (4) and battery positive pole (5), its characterized in that: the battery comprises a battery body (1), a graphite rod (2) is installed on one side inside the battery body (1), a heat conduction pipe (3) is installed on one side inside the graphite rod (2), an protective layer (4) is installed on one side outside the graphite rod (2), a protective sleeve (8) is installed on one side outside the battery body (1), heat dissipation holes (9) with equal intervals are formed in one side inside the protective sleeve (8), negative cooling fins (11) are installed on one side, far away from the heat dissipation holes (9), inside the protective sleeve (8), of each negative cooling fin (11), positive cooling fins (7) are installed on one side, the surfaces of the positive cooling fins (7) and the heat dissipation grooves (12) are provided with heat dissipation grooves (12) with equal intervals, a shell (10) is installed on one side outside the protective sleeve (8), and through holes (16) with equal intervals are formed in one side of the surface of the shell (10), a battery anode (5) is arranged on the outer wall of one side of the battery body (1), one end of the battery anode (5) extends to the outside of the shell (10), an anode protective cap (6) is arranged on the outer wall of one side of the battery anode (5), one end of the anode protective cap (6) is connected with the shell (10), a battery cathode (13) is arranged on one side of the outside of the battery body (1) far away from the battery anode (5), one end of the battery cathode (13) extends to the outside of the shell (10), a cathode protective cap (14) is arranged outside one side of the battery cathode (13), one end of the heat conducting pipe (3) is provided with a heat conducting head (15), one side inside the battery cathode (13) is provided with an electric current hole (18), the negative electrode tube (17) is installed to one side inside the current hole (18), and the lithium current collector (19) is installed to the outer wall of battery negative electrode (13) one side.

2. A lithium battery of negative electrode structure according to claim 1, characterized in that: the positive electrode protective cap (6) is arranged on one side outside the battery positive electrode (5), the negative electrode protective cap (14) is arranged on one side outside the battery negative electrode (13), and the positive electrode protective cap (6) and the protective sleeve (8) are symmetrically distributed around the vertical central axis of the battery body (1).

3. A lithium battery of negative electrode structure according to claim 1, characterized in that: the positive cooling fins (7) and the negative cooling fins (11) are distributed on two sides of the interior of the battery body (1), and the positive cooling fins (7) and the negative cooling fins (11) are symmetrically distributed around the vertical middle axis of the battery body (1).

4. A lithium battery of negative electrode structure according to claim 1, characterized in that: the battery body (1) is installed to one side of lag (8) inside, the minimum internal diameter of lag (8) is greater than the biggest external diameter of battery body (1).

5. A lithium battery of negative electrode structure according to claim 1, characterized in that: the heat dissipation holes (9) are distributed in an equidistant array on one side inside the protective sleeve (8), and the heat dissipation holes (9) are symmetrically distributed about a horizontal central axis of the battery body (1).

6. A lithium battery of negative electrode structure according to claim 1, characterized in that: lithium current collector (19) are installed at the outer wall of battery negative pole (13) one side, lithium current collector (19) are about the perpendicular central axis symmetric distribution of battery body (1).