CN213959039U - High-concentration doped graphene battery structure - Google Patents

Abstract

The utility model discloses a high-concentration doped graphene battery structure, which comprises a battery shell, wherein the front surface of the battery shell is fixedly connected with a tenon, the inside of the rear side wall of the battery shell is provided with a mortise, and the tenon and the mortise are matched with each other; the inner part of the battery shell is fixedly connected with two inner plates, the middle part of each inner plate is fixedly connected with a breathable film, the outer surface of each breathable film is provided with a piston, the outer surface of each inner plate is fixedly connected with a flange, and the pistons slide in the flanges and the inner plates; be provided with utmost point group between the inner panel, the last fixed surface of utmost point group is connected with upper linkage segment, the lower fixed surface of utmost point group is connected with lower floor's linkage segment, the inside of upper linkage segment and lower floor's linkage segment all is provided with graphite alkene layer. The utility model discloses in, not only connect through mortise-tenon joint between the battery and dismantle the convenience, connect moreover and fasten more, the piston can discharge the high-pressure gas in the battery, prevents to expand the package.

Description

High-concentration doped graphene battery structure

Technical Field

The utility model relates to a battery manufacturing technology field especially relates to a high concentration doping graphite alkene battery structure.

Background

The battery refers to a part of space of a cup, a tank or other container or a composite container which contains an electrolyte solution and a metal electrode to generate current, and can convert chemical energy into electric energy, and the lithium battery is a primary battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, unlike a lithium ion battery which is a rechargeable battery and a lithium ion polymer battery. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. Therefore, lithium batteries have not been used for a long time. With the development of microelectronic technology at the end of the twentieth century, miniaturized devices are increasing, and high requirements are made on power supplies. The lithium battery has then entered a large-scale practical stage.

However, because the voltage of a single lithium battery is small, a plurality of lithium batteries are generally used for forming a battery die holder for charging, and the plurality of lithium batteries are usually fixed by using an adhesive tape, so that the disassembly is difficult, and the connection between the batteries is not firm; in addition, the lithium battery is easy to be accumulated in the battery during operation, which causes the battery to be expanded and even causes the battery to explode. Therefore, a high-concentration doped graphene battery structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a high-concentration doped graphene battery structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the battery case comprises a battery case, wherein a tenon is fixedly connected to the front surface of the battery case, a mortise is arranged in the back side wall of the battery case, and the tenon is matched with the mortise;

the inner part of the battery shell is fixedly connected with two inner plates, the middle part of each inner plate is fixedly connected with a breathable film, the outer surface of each breathable film is provided with a piston, the outer surface of each inner plate is fixedly connected with a flange, and the pistons slide in the flanges and the inner plates;

be provided with utmost point group between the inner panel, the last fixed surface of utmost point group is connected with upper linkage segment, the lower fixed surface of utmost point group is connected with lower floor's linkage segment, the inside of upper linkage segment and lower floor's linkage segment all is provided with graphite alkene layer.

As a further description of the above technical solution:

the one side fixedly connected with connecting block of ventilated membrane is kept away from to the piston, the one side fixedly connected with backup pad of piston is kept away from to the connecting block.

As a further description of the above technical solution:

and a plurality of reset springs are arranged between the inner plate and the support plate.

As a further description of the above technical solution:

the upside of upper strata linkage segment is provided with anodal utmost point ear, anodal utmost point ear adopts lithium iron phosphate, lithium manganate or lithium iron manganese phosphate material to make.

As a further description of the above technical solution:

the downside of lower floor's linkage segment is provided with negative pole utmost point ear, negative pole utmost point ear adopts graphite material to make.

As a further description of the above technical solution:

the side wall of the flange is provided with a plurality of exhaust holes.

As a further description of the above technical solution:

and exhaust grooves are formed in the front side wall and the rear side wall of the battery shell.

As a further description of the above technical solution:

and graphene is doped in the pole group at high concentration.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this high concentration doping graphite alkene battery structure has set up battery case, and battery case's front is provided with the tenon, and battery case's back is provided with the tongue-and-groove, and two batteries get up through tenon and mortise joint, and the battery not only connects through mortise and tenon joint and dismantles the convenience, connects moreover and has fastened more, has improved the connection effect greatly.

2. Compared with the prior art, this high concentration doping graphite alkene battery structure has set up the piston, and when the inside atmospheric pressure of lithium cell was too high, atmospheric pressure can promote the piston outwards to move, and when the piston moved the exhaust hole, gas in the lithium cell can be followed and is discharged in the exhaust hole, can prevent the battery package that expands effectively.

3. Compared with the prior art, this high concentration doping graphene battery structure has set up upper linkage segment, lower floor's linkage segment, and the upper linkage segment is provided with graphite alkene layer with the inside of lower floor's linkage segment, can effectual improvement battery charge speed.

Drawings

Fig. 1 is an internal schematic view of a structure of a high-concentration doped graphene battery according to the present invention;

fig. 2 is an upper oblique view of a high-concentration doped graphene battery structure according to the present invention;

fig. 3 is a schematic front view of a structure of a high-concentration doped graphene battery according to the present invention;

fig. 4 is a lower oblique view of the high-concentration doped graphene battery structure according to the present invention.

Illustration of the drawings:

1. mortises; 2. a tenon; 3. an exhaust groove; 4. a battery case; 5. a return spring; 6. connecting blocks; 7. a support plate; 8. a piston; 9. a gas permeable membrane; 10. an upper layer connection section; 11. a lower layer connecting section; 12. a flange; 13. an exhaust hole; 14. an inner plate; 15. a pole group; 16. a positive electrode tab; 17. and a negative pole tab.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: including battery case 4, battery case 4's front surface fixedly connected with tenon 2, battery case 4's back lateral wall's inside is provided with tongue-and-groove 1 for interconnect between two batteries constitutes the battery module, and tenon 2 and tongue-and-groove 1 mutually support, and battery case 4's preceding lateral wall all is provided with air discharge duct 3 with the inside of back lateral wall.

The battery shell 4 is fixedly connected with two inner plates 14, the middle part of the inner plate 14 is fixedly connected with a breathable film 9, the breathable film 9 can limit the discharge of the battery internal liquid and can discharge the battery internal gas, the outer surface of the breathable film 9 is provided with a piston 8, the outer surface of the inner plate 14 is fixedly connected with a flange 12, the piston 8 slides in the flange 12 and the inner plate 14, one surface of the piston 8 far away from the breathable film 9 is fixedly connected with a connecting block 6, one surface of the connecting block 6 far away from the piston 8 is fixedly connected with a supporting plate 7, a plurality of reset springs 5 are arranged between the inner plate 14 and the supporting plate 7, the side wall of the flange 12 is provided with a plurality of vent holes 13, when the gas pressure in the lithium battery is too high, the gas pressure can push the piston 8 to move outwards, when the piston 8 moves to the vent holes 13, the gas in the lithium battery can be discharged from the vent holes 13, and the battery can be effectively prevented from bag expansion, after the gas in the battery is discharged, the return spring 5 can contract, so that the device supporting plate 7 moves inwards, and the piston 8 is driven by the connecting block 6 to move towards the gas-permeable membrane 9.

Be provided with utmost point group 15 between the inner panel 14, the inside high concentration of utmost point group 15 is doped with graphite alkene, the last fixed surface of utmost point group 15 is connected with upper linkage segment 10, the lower fixed surface of utmost point group 15 is connected with lower floor's linkage segment 11, upper linkage segment 10 all is provided with graphite alkene layer with lower floor's linkage segment 11 inside, can effectual improvement battery charging speed, the upside of upper linkage segment 10 is provided with anodal utmost point ear 16, anodal utmost point ear 16 adopts lithium iron phosphate, lithium manganate or lithium iron manganese phosphate material are made, lower floor's linkage segment 11 downside is provided with negative pole utmost point ear 17, negative pole utmost point ear 17 adopts graphite materials to make.

The working principle is as follows: firstly, the front surface of a battery shell 4 is provided with a tenon 2, the back surface of the battery shell 4 is provided with a mortise 1, two batteries are connected with the mortise 1 through the tenon 2, and the batteries are connected more tightly through mortise-tenon connection, so that the connection and the disassembly are convenient; secondly, the battery structure is provided with piston 8, and when the inside atmospheric pressure of lithium cell was too high, atmospheric pressure can promote piston 8 outwards movement, and when piston 8 moved exhaust hole 13, gas in the lithium cell can be followed and discharged in exhaust hole 13, scatters from exhaust duct 3 after that, can prevent the battery package that expands effectively, and finally, the inside of upper linkage segment 10 and lower floor linkage segment 11 is provided with graphite alkene layer, can the effectual speed of charging that improves the battery.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (7)

1. A high concentration doping graphite alkene battery structure, includes battery case (4), its characterized in that: the front surface of the battery shell (4) is fixedly connected with a tenon (2), a mortise (1) is arranged inside the rear side wall of the battery shell (4), and the tenon (2) is matched with the mortise (1);

the inner part of the battery shell (4) is fixedly connected with two inner plates (14), the middle part of each inner plate (14) is fixedly connected with a breathable film (9), the outer surface of each breathable film (9) is provided with a piston (8), the outer surface of each inner plate (14) is fixedly connected with a flange (12), and the pistons (8) slide in the flanges (12) and the inner plates (14);

be provided with utmost point group (15) between inner panel (14), the last fixed surface of utmost point group (15) is connected with upper strata linkage segment (10), the lower fixed surface of utmost point group (15) is connected with lower floor linkage segment (11), upper strata linkage segment (10) all are provided with graphite alkene layer with the inside of lower floor linkage segment (11).

2. The highly doped graphene battery structure according to claim 1, wherein: piston (8) keep away from one side fixedly connected with connecting block (6) of ventilated membrane (9), one side fixedly connected with backup pad (7) of piston (8) are kept away from in connecting block (6).

3. The highly doped graphene battery structure according to claim 1, wherein: a plurality of return springs (5) are arranged between the inner plate (14) and the support plate (7).

4. The highly doped graphene battery structure according to claim 1, wherein: the upside of upper strata linkage segment (10) is provided with anodal utmost point ear (16), anodal utmost point ear (16) adopt lithium iron phosphate, lithium manganate or lithium iron manganese phosphate material to make.

5. The highly doped graphene battery structure according to claim 1, wherein: the downside of lower floor linkage segment (11) is provided with negative pole utmost point ear (17), negative pole utmost point ear (17) adopt graphite material to make.

6. The highly doped graphene battery structure according to claim 1, wherein: the side wall of the flange (12) is provided with a plurality of exhaust holes (13).

7. The highly doped graphene battery structure according to claim 1, wherein: and exhaust grooves (3) are formed in the front side wall and the rear side wall of the battery shell (4).

Images