CN113659194B - High-stability lithium ion power battery electrolyte - Google Patents

Abstract

The invention relates to the technical field of electrolyte production, in particular to a high-stability lithium ion power battery electrolyte, and provides a scheme for solving the problem that raw materials cannot be fully mixed in the prior art, wherein the lithium ion power battery electrolyte comprises 16% of solute, 76% of solvent, 3.8% of additive and 4.2% of electrolyte stabilizer by mass percent.

Description

A highly stable lithium-ion power battery electrolyte

technical field

The invention relates to the technical field of electrolyte production, in particular to a highly stable electrolyte for lithium-ion power batteries.

Background technique

Electrolyte is a term with a wide range of meanings. It is used in different industries to represent different contents. There are electrolytes (also called electrolytes) in living organisms, electrolytes used in the battery industry, and electrolytes in electrolytic capacitors, supercapacitors and other industries.

The existing electrolyte production equipment cannot quantitatively add the required raw materials in the process of use, which reduces the quality of raw material mixing, and the existing production equipment cannot fully stir and mix the raw materials in the process of use, There will be a problem that the dead angle cannot be stirred, which is inconvenient for people to use.

Therefore, it is necessary to invent a highly stable lithium-ion power battery electrolyte to solve the above problems.

Contents of the invention

The invention proposes a highly stable electrolyte solution for lithium ion power batteries, which solves the problem that raw materials cannot be fully mixed in the prior art.

In order to achieve the above object, the present invention provides the following technical solution: a highly stable lithium ion power battery electrolyte, the lithium ion power battery electrolyte is composed of a solute, a solvent, an additive and a stabilizer, and according to the mass percentage, the solute 16 %, solvent 76%, additive 3.8%, electrolyte stabilizer 4.2%.

An electrolyte production equipment, comprising a stirring box, a support is installed on the top of the stirring box, a raw material box is installed on the top of the support, a weighing mechanism is installed inside the support, and a A feeding mechanism, a stirring mechanism is installed inside the stirring box, and a liquid inlet is installed on one side of the stirring box.

Preferably, the weighing mechanism includes a support plate installed inside the bracket and a weighing device installed on the top of the support plate, a weighing bottle is installed on the top of the weighing device, and a weighing bottle is installed on one side of the bracket. controller.

Preferably, the feeding mechanism includes a suction pump installed on the top of the support plate and a connecting pipe installed on the top of the stirring box, the bottom of the connecting pipe extends through the stirring box to the inside of the stirring box, and is equipped with a plurality of feeding Liquid pipes, the bottoms of the plurality of liquid inlet pipes are all provided with liquid outlets, the inlet of the extraction pump communicates with the weighing bottle through a hose, and the outlet of the extraction pump communicates with the connector and the connecting pipe through a water pipe, A rotating mechanism for driving the connecting pipe to rotate is installed inside the mixing box.

The rotating mechanism includes a cavity provided inside the mixing box and a driving gear installed inside the cavity, a driven gear intermeshed with the driving gear is installed on the outside of the connecting pipe, and the top of the mixing box is installed for A rotating motor that drives the driving gear to rotate.

The stirring mechanism includes a rotating column installed at the bottom of the connecting pipe and two stirring blades sleeved on the outside of the rotating column. The outer rotation of the rotating column is connected with two connecting rods. There are a plurality of rotating rods, first gears are installed at both ends of the two connecting rods, the inner wall of the mixing box is equipped with a second gear that meshes with the two first gears, and the inside of the mixing box is installed There is a moving mechanism for moving the two stirring blades.

The moving mechanism includes sleeves installed on both sides of the connecting rod and a moving rod sleeved inside the two sleeves. Support rods are installed inside the two sleeves, and the outside of the two support rods are A third gear is installed, a rotating disk is installed at one end of the two supporting rods, a push rod is installed at one side of the two rotating disks, a moving plate is installed at one end of the two moving rods, and both One end of each of the push rods is respectively hinged to one side of the two moving plates, and a fourth gear meshing with the two third gears is installed on the outside of the connecting rod, and one end of the two moving rods is respectively connected to the two moving plates. Both sides of a stirring blade are fixedly connected.

A discharge pipe is installed at the bottom of the raw material box, and a valve is installed on the outside of the discharge pipe, and the bottom of the discharge pipe runs through the bracket and extends directly above the weighing bottle.

Technical effect and advantage of the present invention:

1. The injected raw materials can be weighed through the equipped weighing mechanism, so as to carry out quantitative injection and improve the effect of raw material mixing, and when the rotating motor rotates, it will drive the driving gear to rotate, through the driving gear and the slave The use of the moving gear with the use of the connecting pipe will rotate. When the connecting pipe rotates, it will drive the liquid inlet pipe to rotate, so that the raw material will be rotated and sprayed inside the mixing box, which can meet the requirements of uniform spraying and avoid one-time use. Injection reduces the effect of mixing and improves the efficiency of mixing.

2. Through the cooperation of the fourth gear and the third gear, the support rod will rotate, which will drive the rotating disk to rotate. When the rotating disk rotates, the push rod will form a reciprocating cycle. Through the reciprocating movement of the push rod The movement can drive the moving rod to move up and down, so that the mixing blade will move up and down, so that the inside of the mixing box can be stirred in all directions, avoiding dead ends in the mixing, improving the uniformity of mixing, and making it more convenient for people to use.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of a partial structure of the present invention.

Fig. 3 is a top view sectional structural schematic diagram of the present invention.

FIG. 4 is a schematic diagram of an enlarged structure at A in FIG. 1 of the present invention.

FIG. 5 is a schematic diagram of an enlarged structure at B in FIG. 2 of the present invention.

In the figure: 1. Stirring box; 2. Bracket; 3. Liquid inlet; 4. Raw material box; 5. Support plate; 6. Weighing device; 7. Weighing bottle; 8. Moving plate; 10. Inlet pipe; 11. Rotating column; 12. Stirring blade; 13. Moving rod; 14. Rotating rod; 15. Connecting rod; 16. Sleeve; 17. First gear; 18. Second gear; 19. The third gear; 20, rotating motor; 21, driving gear; 22, connecting pipe; 23, driven gear; 24, cavity; 25, push rod; 26, fourth gear; 27, support rod; 28, rotating disk ; 29, discharge pipe.

Implementation

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The present invention provides a highly stable lithium-ion power battery electrolyte as shown in Figures 1-5. The lithium-ion power battery electrolyte is composed of solute, solvent, additive and stabilizer. According to mass percentage, 16% solute, solvent 76%, additive 3.8%, electrolyte stabilizer 4.2%.

An electrolyte production equipment, comprising a stirring box 1, a support 2 is installed on the top of the stirring box 1, a raw material box 4 is installed on the top of the support 2, a weighing mechanism is installed inside the support 2, and an upper A material mechanism, a stirring mechanism is installed inside the stirring box 1, and a liquid inlet 3 is installed on one side of the stirring box 1.

The weighing mechanism includes a support plate 5 installed inside the support 2 and a weighing device 6 installed on the top of the support plate 5, a weighing bottle 7 is installed on the top of the weighing device 6, and a weighing controller is installed on one side of the support 2 , The injected raw materials can be weighed through the equipped weighing mechanism, so as to carry out quantitative injection and improve the effect of raw material mixing.

The feeding mechanism includes a suction pump 9 installed on the top of the support plate 5 and a connecting pipe 22 installed on the top of the mixing box 1. The bottom of the connecting pipe 22 runs through the mixing box 1 and extends to the inside of the mixing box 1, and is equipped with multiple The liquid pipe 10, the bottom of a plurality of liquid inlet pipes 10 are all provided with a liquid outlet, the inlet of the extraction pump 9 communicates with the weighing bottle 7 through a hose, and the outlet of the extraction pump 9 communicates with the connector and the connecting pipe 22 through a water pipe, The interior of the mixing box 1 is equipped with a rotating mechanism for driving the connecting pipe 22 to rotate. When the rotating motor rotates, the driving gear 21 will be driven to rotate. Through the cooperation of the driving gear 21 and the driven gear 23, the connecting pipe 22 will be Rotate, when the connecting pipe 22 rotates, it will drive the liquid inlet pipe 10 to rotate, so that the solute will be rotated and sprayed inside the mixing box 1, which can meet the requirements of uniform spraying and avoid one-time injection to reduce the effect of mixing .

The rotating mechanism includes a cavity 24 provided inside the mixing box 1 and a driving gear 21 installed inside the cavity 24. The outside of the connecting pipe 22 is equipped with a driven gear 23 meshing with the driving gear 21. The top of the mixing box 1 is installed There is a rotary motor 20 for driving the driving gear 21 to rotate.

The stirring mechanism includes a rotating column 11 installed at the bottom of the connecting pipe 22 and two stirring blades 12 sleeved on the outside of the rotating column 11. The outer rotation of the rotating column 11 is connected with two connecting rods 15, and the outsides of the two connecting rods 15 are A plurality of rotating rods 14 are installed, first gears 17 are installed at both ends of the two connecting rods 15, the inner wall of the mixing box 1 is equipped with a second gear 18 meshing with the two first gears 17, the mixing box 1 A moving mechanism for driving the two stirring blades 12 to move is installed inside.

The moving mechanism includes a sleeve 16 installed on both sides of the connecting rod 15 and a moving rod 13 sleeved inside the two sleeves 16. The inside of the two sleeves 16 is equipped with a support rod 27, and the outside of the two support rods 27 A third gear 19 is installed, a rotating disk 28 is installed on one end of the two support rods 27, a push rod 25 is installed on one side of the two rotating disks 28, and a moving plate 8 is installed on one end of the two moving rods 13. , one end of the two push rods 25 is respectively hinged to one side of the two moving plates 8, the outside of the connecting rod 15 is equipped with a fourth gear 26 meshing with the two third gears 19, and one end of the two moving rods 13 is respectively It is fixedly connected to both sides of the two stirring blades 12, and through the cooperation of the fourth gear 26 and the third gear 19, the support rod 27 will rotate, thereby driving the rotating disk 28 to rotate. When the rotating disk 28 rotates The push rod 25 will form a reciprocating cycle, and the reciprocating motion of the push rod 25 can drive the moving rod 13 to move up and down, so that the mixing blade 12 will move up and down, so that the inside of the mixing box 1 can be stirred in all directions. , to avoid dead ends in stirring, improve the uniformity of mixing, and make it more convenient for people to use.

A discharge pipe 29 is installed on the bottom of the raw material box 4, and a valve is installed on the outside of the discharge pipe 29. The bottom of the discharge pipe 29 runs through the support 2 and extends to just above the weighing bottle 7.

Working principle of the present invention: in the specific implementation process, the required solvent can be injected into the inside of the stirring tank 1 through the liquid inlet 3 at first, and then the solute, the additive and the stabilizer are injected quantitatively in sequence, first according to a certain mass ratio The solute is injected into the raw material box 4, and the solute injected into the raw material box 4 will enter the inside of the weighing bottle 7 through the discharge pipe 29, and then be weighed by the weighing bottle 7. When the amount of weighing reaches a certain level , the valve outside the discharge pipe 29 will close it. At this time, the extraction pump 9 will draw the solute in the weighing bottle 7 into the water pipe through the hose, and then flow into the connecting pipe 22 through the water pipe. 22 flows into the liquid inlet pipe 10, and finally flows out through multiple liquid outlets. At the same time, the rotating motor 20 will drive the driving gear 21 to rotate, and the connecting pipe 22 will rotate through the cooperation of the driving gear 21 and the driven gear 23. When During the rotation of the connecting pipe 22, it will drive the liquid inlet pipe 10 to rotate, so that the solute will be rotated and sprayed inside the mixing tank 1, which can meet the requirements of uniform spraying and avoid one-time injection to reduce the effect of mixing. When the connecting pipe 22 will drive the rotating column 11 to rotate during the rotation process, and the connecting rod 15 can be driven to rotate through the rotating column 11. When the connecting rod 15 rotates, the first gear 17 installed at one end of the connecting rod 15 can be driven to move , through the cooperation of the first gear 17 and the second gear 18, the connecting rod 15 will rotate, and when the connecting rod 15 rotates, it will drive the fourth gear 26 to rotate, through the fourth gear 26 and the third gear 19 With cooperation, the support rod 27 will rotate, thereby driving the rotating disk 28 to rotate. When the rotating disk 28 rotates, the push rod 25 will form a reciprocating motion, and the reciprocating motion of the push rod 25 can drive the moving rod 13 Move up and down, so that the stirring blade 12 will move up and down, so that the inside of the mixing tank 1 can be stirred in all directions, avoiding dead ends, and improving the uniformity of mixing. Injection with the stabilizer can effectively improve the quality of mixing, and can fully mix the solvent, solute, additive and stabilizer.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still It is possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. within the spirit and principles of the present invention shall include Within the protection scope of the present invention.

Claims (2)

1. A kind of manufacture equipment of highly stable lithium-ion power battery electrolyte, it is characterized in that: described lithium-ion power battery electrolyte is made up of solute, solvent, additive and stabilizer, according to mass percentage, solute 16%, solvent 76%, additive 3.8%, electrolyte stabilizer 4.2%; The production equipment includes a stirring box (1), a support (2) is installed on the top of the stirring box (1), a raw material box (4) is installed on the top of the support (2), and the support (2) A weighing mechanism is installed inside, a feeding mechanism is installed on the top of the stirring box (1), a stirring mechanism is installed inside the stirring box (1), and a liquid inlet is installed on one side of the stirring box (1) mouth(3); The weighing mechanism includes a supporting plate (5) installed inside the bracket (2) and a weighing device (6) installed on the top of the supporting plate (5), and a weighing device (6) is installed on the top of the weighing device (6). bottle (7), a weighing controller is installed on one side of the bracket (2); The feeding mechanism includes a suction pump (9) installed on the top of the support plate (5) and a connecting pipe (22) installed on the top of the stirring tank (1), and the bottom of the connecting pipe (22) runs through the stirring tank ( 1) Extending to the inside of the mixing tank (1), and installing a plurality of liquid inlet pipes (10), the bottoms of the plurality of liquid inlet pipes (10) are all provided with liquid outlets, and the suction pump (9) The inlet of the pump is connected to the weighing bottle (7) through a hose, the outlet of the pump (9) is connected to the connecting piece and the connecting pipe (22) through a water pipe, and the inside of the mixing box (1) is equipped with a A rotating mechanism for rotating the tube (22); The stirring mechanism includes a rotating column (11) installed at the bottom of the connecting pipe (22) and two stirring blades (12) sleeved on the outside of the rotating column (11), and the external rotation of the rotating column (11) is connected with Two connecting rods (15), a plurality of rotating rods (14) are installed on the outside of the two connecting rods (15), and first gears (17) are installed at both ends of the two connecting rods (15) ), the inner wall of the mixing box (1) is equipped with a second gear (18) meshing with the two first gears (17), and the inside of the mixing box (1) is equipped with two stirring blades ( 12) mobile mechanism for movement; The moving mechanism includes a sleeve (16) installed on both sides of the connecting rod (15) and a moving rod (13) sleeved inside the two sleeves (16). The inside of the two sleeves (16) Both support rods (27) are installed, and a third gear (19) is installed on the outside of the two support rods (27), and a rotating disc (28) is installed at one end of the two support rods (27), Push rods (25) are installed on one side of the two rotating disks (28), moving plates (8) are installed on one end of the two moving rods (13), and the two pushing rods (25) One end of the connecting rod (15) is respectively hinged to one side of the two moving plates (8), and the outside of the connecting rod (15) is equipped with a fourth gear (26) that meshes with the two third gears (19). One end of the moving rod (13) is fixedly connected to both sides of the two stirring blades (12); The rotating mechanism includes a cavity (24) opened inside the mixing box (1) and a drive gear (21) installed inside the cavity (24), and the outside of the connecting pipe (22) is installed with the drive gear ( 21) The driven gears (23) meshing with each other, the top of the mixing box (1) is installed with a rotating motor (20) for driving the driving gear (21) to rotate. 2. The production equipment of a highly stable lithium-ion power battery electrolyte according to claim 1, characterized in that: a discharge pipe (29) is installed at the bottom of the raw material box (4), and the discharge pipe (29) is A valve is installed on the outside of the pipe (29), and the bottom of the discharge pipe (29) runs through the support (2) and extends directly above the weighing bottle (7).

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