Lithium ion battery electrolyte preparation equipment

Abstract

The utility model discloses lithium ion battery electrolyte preparation equipment which comprises a base, the upper surface of the base is fixedly connected with a stirring barrel, the upper surface of the stirring barrel is communicated with two ventilation ports, the inner walls of the two ventilation ports are fixedly connected with filtering membranes, the inner walls of the two ventilation ports are fixedly connected with a plurality of fixing rods, and the fixing rods are fixedly connected with the stirring barrel. Second motors are fixedly connected to one ends of the multiple fixing rods, fan blades are fixedly connected to the side faces of the output ends of the two second motors, fixing plates are fixedly connected to the two side faces of the stirring barrel, weight sensors are fixedly connected to the upper surfaces of the two fixing plates, and poisonous gas in the stirring barrel is accelerated to flow out through cooperation of the second motors and the fan blades. Poisonous gas is purified by using the filter membrane to reduce pollution, and the weight of each material is controlled through the weight sensor, so that the proportioning is more accurate, and the quality of the electrolyte is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium-ion battery electrolyte production, and particularly relates to a lithium-ion battery electrolyte preparation device. Background Art

[0002] Lithium-ion electronic electrolyte is a carrier for ion transmission in lithium-ion batteries. It is generally composed of lithium salts and organic solvents. The electrolyte plays a role in conducting ions between the positive and negative electrodes of the lithium battery, and is a guarantee for lithium-ion batteries to obtain advantages such as high voltage and high specific energy. The electrolyte is generally prepared from raw materials such as high-purity organic solvents, electrolyte lithium salts, and necessary additives under certain conditions and in a certain proportion.

[0003] In the production of lithium-ion battery electrolyte, the existing lithium-ion battery electrolyte preparation equipment cannot accurately proportion the materials used for preparation, and the toxic gases generated during the preparation process cannot be treated. The practical device of the utility model can accurately proportion the materials and purify the toxic gases generated during stirring. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a lithium-ion battery electrolyte preparation device to solve the problems of inaccurate material proportioning and inability to treat the toxic gases generated during stirring in the prior art.

[0005] To achieve the above purpose, a lithium-ion battery electrolyte preparation device is provided, including: A lithium-ion battery electrolyte preparation device, characterized by including: a base, the upper surface of the base is fixedly connected with a stirring barrel, the upper surface of the stirring barrel is communicated with two ventilation openings, filter membranes are fixedly connected to the inner walls of the two ventilation openings, a plurality of fixing rods are fixedly connected to the inner walls of the two ventilation openings, one end of each of the plurality of fixing rods is fixedly connected with a second motor, and fan blades are fixedly connected to the sides of the output ends of the two second motors. The cooperation of the second motor and the fan blades accelerates the outflow of the toxic gases in the stirring barrel, and the filter membrane is used to purify the toxic gases to reduce pollution;

[0006] Fixing plates are fixedly connected to both sides of the stirring barrel, weight sensors are fixedly connected to the upper surfaces of the two fixing plates, the upper surface of one of the weight sensors is attached to a solvent barrel, and the upper surface of the other weight sensor is attached to a solid material barrel. The weights of the various materials are controlled by the weight sensors to make the proportioning more accurate and improve the quality of the electrolyte.

[0007] According to the described lithium-ion battery electrolyte preparation device, an operation platform is fixedly connected to the side of the stirring barrel, and a water pump is fixedly connected to the other side of the stirring barrel. The machine is controlled through the operation platform, and the electrolyte in the stirring barrel is pumped out by the water pump.

[0008] According to the described lithium-ion battery electrolyte preparation device, the output end of the water pump is fixedly connected to a threaded block, and a filter is threadedly connected inside the threaded block. The filter can be conveniently replaced and cleaned through the threaded block, and the electrolyte is filtered by the filter to make the electrolyte meet the usage standards.

[0009] According to the described lithium-ion battery electrolyte preparation device, a first motor is fixedly connected to the upper surface of the stirring barrel, and a stirring rod is fixedly connected to the output end of the first motor. The electrolyte is stirred by the mutual cooperation of the first motor and the stirring rod to make the materials mix evenly.

[0010] According to the described lithium-ion battery electrolyte preparation device, a water removal column is fixedly connected to the inner bottom of the stirring barrel. The water removal column is hollow inside, the upper end of the water removal column extends out of the upper surface of the stirring barrel, and molecular sieves are filled in the water removal column. The electrolyte is treated by the molecular sieves to remove impurities in the electrolyte and make the electrolyte purer.

[0011] According to the described lithium-ion battery electrolyte preparation device, two sliding grooves are fixedly connected to the inner bottoms of the solvent barrel and the solid material barrel. A baffle is slidably connected between the two sliding grooves. Electric rods are fixedly connected to the outer surfaces of the solvent barrel and the solid material barrel, and the output ends of the two electric rods are respectively fixedly connected to the sides of the two baffles. The mutual cooperation of the electric rods, the baffle and the sliding grooves is used to conveniently control the flow of materials.

[0012] According to the described lithium-ion battery electrolyte preparation device, telescopic tubes are communicated with the lower surfaces of the solvent barrel and the solid material barrel respectively. The lower ends of the two telescopic tubes are both communicated with a material pipe, and both material pipes are communicated with the surface of the stirring barrel. The materials are input into the stirring barrel through the mutual cooperation of the telescopic tubes and the material pipes to make the materials react further.

[0013] The beneficial effects of the above scheme are as follows:

[0014] 1. The utility model uses the provided second motor and fan blades to slow down the outflow of toxic gases in the stirring barrel, and then uses the provided filter membrane to purify the toxic gases, reducing pollution.

[0015] 2. The utility model uses the provided weight sensor to control the weights of various materials, making the ratio more accurate.

[0016] The additional aspects and advantages of the utility model will be partly given in the following description, partly will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The following further illustrates the utility model in conjunction with the drawings and embodiments;

[0018] Figure 1Stereogram of a lithium-ion battery electrolyte preparation device of the present utility model;

[0019] Figure 2 Cross-sectional view of a lithium-ion battery electrolyte preparation device of the present utility model;

[0020] Figure 3 Front view of a lithium-ion battery electrolyte preparation device of the present utility model;

[0021] Figure 4 A lithium-ion battery electrolyte preparation device of the present utility model Figure 2 Enlarged view of part B in;

[0022] Figure 5 Cross-sectional view of the air vent of a lithium-ion battery electrolyte preparation device of the present utility model.

[0023] Legend description:

[0024] 1. Base; 2. Filter; 3. Threaded block; 4. Feed pipe; 5. Telescopic pipe; 7. Solid material bucket; 8. Solvent material bucket; 9. Filter membrane; 10. Air vent; 11. First motor; 12. Weight sensor; 13. Fixed plate; 14. Stirring barrel; 15. Stirring rod; 16. Water pump; 17. Water removal column; 18. Electric rod; 19. Operating table; 21. Molecular sieve; 23. Baffle; 24. Slide groove; 25. Fixed rod; 26. Fan blade; 27. Second motor. Detailed implementation manners

[0025] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it should not be construed as a limitation on the protection scope of the present utility model.

[0026] Referring to Figure 1-5 , an embodiment of a lithium-ion battery electrolyte preparation device of the present utility model includes: A lithium-ion battery electrolyte preparation device, characterized in that it includes: a base 1, the upper surface of the base 1 is fixedly connected to a stirring barrel 14, the upper surface of the stirring barrel 14 communicates with two air vents 10, the toxic gas in the stirring barrel 14 flows out through the air vents 10, the inner walls of the two air vents 10 are fixedly connected with filter membranes 9, the toxic gas is filtered through the filter membranes 9, the inner walls of the two air vents 10 are fixedly connected with a plurality of fixed rods 25, one ends of the plurality of fixed rods 25 are fixedly connected with second motors 27, the second motors 27 are fixed through the plurality of fixed rods 25, the side surfaces of the output ends of the two second motors 27 are fixedly connected with fan blades 26, and the cooperation of the second motors 27, the fan blades 26 and the filter membranes 9 accelerates the air circulation and purification in the stirring barrel 14;

[0027] Both sides of the stirring barrel 14 are fixedly connected with fixing plates 13. The upper surfaces of the two fixing plates 13 are both fixedly connected with weight sensors 12. The fixing plates 13 are used to enhance the stability of the weight sensors 12. The upper surface of one of the weight sensors 12 is attached to the solvent material barrel 8, and the upper surface of the other weight sensor 12 is attached to the solid material barrel 7. The weights of various materials are controlled by the weight sensors 12 to make the ratio more accurate and improve the quality of the electrolyte.

[0028] The side of the stirring barrel 14 is fixedly connected with an operation table 19. The machine is controlled through the operation table 19. The other side of the stirring barrel 14 is fixedly connected with a water pump 16. The water pump 16 is used to pump out the electrolyte in the stirring barrel 14. The output end of the water pump 16 is fixedly connected with a threaded block 3. The filter 2 is internally threaded in the threaded block 3. The filter 2 can be conveniently replaced and cleaned through the threaded block 3. The electrolyte is filtered by the filter 2 to make the electrolyte meet the use standard. The upper surface of the stirring barrel 14 is fixedly connected with a first motor 11. The output end of the first motor 11 is fixedly connected with a stirring rod 15. The electrolyte is stirred by the mutual cooperation of the first motor 11 and the stirring rod 15 to make the materials mix evenly. The bottom inside the stirring barrel 14 is fixedly connected with a water removal column 17. The water removal column 17 is hollow inside. The upper end of the water removal column 17 extends out of the upper surface of the stirring barrel 14. Molecular sieve 21 is filled in the water removal column 17. The material of the molecular sieve 21 is aluminosilicate. The electrolyte is treated by the molecular sieve 21 to remove impurities in the electrolyte. Both the inner bottoms of the solvent material barrel 8 and the solid material barrel 7 are fixedly connected with two sliding grooves 24. A baffle 23 is slidably connected between the two sliding grooves 24. Electric rods 18 are fixedly connected to the outer surfaces of the solvent material barrel 8 and the solid material barrel 7. The electric rods 18 are used to control the sliding of the baffle 23. The output ends of the two electric rods 18 are respectively fixedly connected to the sides of the two baffles 23. The mutual cooperation of the electric rods 18, the baffle 23 and the sliding grooves 24 is used to conveniently control the flow of the materials. The lower surfaces of the solvent material barrel 8 and the solid material barrel 7 are both communicated with telescopic pipes 5. The lower ends of the two telescopic pipes 5 are both communicated with material pipes 4. Both the two material pipes 4 are communicated with the surface of the stirring barrel 14. The materials are input into the stirring barrel 14 through the mutual cooperation of the telescopic pipes 5 and the material pipes 4 to make the materials react further.

[0029] Working principle: Manually add the required materials into the solid material barrel 7 and the solvent material barrel 8 respectively. Use the set weight sensor 12 to control the material weight to ensure accurate proportioning of each material. Then, use the electric rod 18 to open the baffle 23, and let the materials enter the stirring barrel 14 through the telescopic pipe 5 and the material pipe 4. Use the stirring rod 15 to stir the materials. The harmful gases generated during stirring can be accelerated by the cooperation of the second motor 27 and the fan blade 26 to flow out the toxic gases in the stirring barrel 14, purified by the filter membrane 9, and then discharged through the ventilation port 10. The molecular sieve 21 arranged in the stirring barrel 14 can adsorb the moisture, metal ions and organic substances contained in the electrolyte. Then, use the water pump 16 to pump out the electrolyte and filter it by the filter 2 to make the electrolyte purer.

[0030] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art to which it pertains, various changes can be made without departing from the gist of the present invention.

Claims

1. A lithium ion battery electrolyte preparation device, characterized in that: include: A base (1), the upper surface of the base (1) is fixedly connected to a stirring barrel (14), the upper surface of the stirring barrel (14) is connected to two ventilation ports (10), the inner walls of the two ventilation ports (10) are fixedly connected to filter membranes (9), the inner walls of the two ventilation ports (10) are fixedly connected to a plurality of fixing rods (25), one end of the plurality of fixing rods (25) is fixedly connected to a second motor (27), and the sides of the output ends of the two second motors (27) are fixedly connected to fan blades (26); Both sides of the stirring barrel (14) are fixedly connected to the fixing plates (13), and the upper surfaces of the two fixing plates (13) are fixedly connected to the weight sensors (12), wherein the upper surface of one of the weight sensors (12) is in contact with the solvent barrel (8), and the upper surface of the other weight sensor (12) is in contact with the solid barrel (7).

2. A lithium ion battery electrolyte preparation device according to claim 1, characterized in that: The side of the mixing barrel (14) is fixedly connected to an operating table (19), and the other side of the mixing barrel (14) is fixedly connected to a water pump (16).

3. A lithium ion battery electrolyte preparation device according to claim 2, characterized in that: The output end of the water pump (16) is fixedly connected to a threaded block (3), and the threaded block (3) is internally threadedly connected to a filter (2).

4. The lithium ion battery electrolyte preparation device according to claim 1, characterized in that: The upper surface of the stirring barrel (14) is fixedly connected to the first motor (11), and the output end of the first motor (11) is fixedly connected to the stirring rod (15).

5. The lithium ion battery electrolyte preparation device according to claim 1, characterized in that: The bottom of the stirring barrel (14) is fixedly connected to a dewatering column (17), the interior of the dewatering column (17) is hollow, the upper end of the dewatering column (17) extends out of the upper surface of the stirring barrel (14), and the dewatering column (17) is filled with a molecular sieve (21).

6. The lithium ion battery electrolyte preparation device according to claim 1, characterized in that: The bottoms of the solvent barrel (8) and the solid barrel (7) are fixedly connected to two slide grooves (24), the middle of the two slide grooves (24) is slidably connected to a baffle (23), the outer surfaces of the solvent barrel (8) and the solid barrel (7) are fixedly connected to an electric rod (18), and the output ends of the two electric rods (18) are respectively fixedly connected to the sides of the two baffles (23).

7. The lithium ion battery electrolyte preparation device according to claim 1, characterized in that: The lower surfaces of the solvent barrel (8) and the solid barrel (7) are both connected to the telescopic tube (5), the lower ends of the two telescopic tubes (5) are both connected to the material pipe (4), and the two material pipes (4) are both connected to the surface of the stirring barrel (14).

Images