CN219784453U - Lithium ion battery negative electrode slurry heating and stirring device - Google Patents
Lithium ion battery negative electrode slurry heating and stirring device Download PDFInfo
- Publication number
- CN219784453U CN219784453U CN202320988464.2U CN202320988464U CN219784453U CN 219784453 U CN219784453 U CN 219784453U CN 202320988464 U CN202320988464 U CN 202320988464U CN 219784453 U CN219784453 U CN 219784453U
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- Prior art keywords
- tank body
- heating
- stirring
- lithium ion
- ion battery
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- 238000003756 stirring Methods 0.000 title claims abstract description 26
- 238000010438 heat treatment Methods 0.000 title claims abstract description 25
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 14
- 239000011267 electrode slurry Substances 0.000 title claims description 6
- 238000004321 preservation Methods 0.000 claims abstract description 6
- 239000006257 cathode slurry Substances 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 6
- 239000006256 anode slurry Substances 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000006185 dispersion Substances 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000001668 ameliorated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model relates to a heating and stirring device for lithium ion battery cathode slurry. The stirring device comprises a tank body, wherein a stirring motor is arranged on a top cover of the tank body, an output shaft of the stirring motor is fixedly connected with a stirrer, and stirring blades are arranged on the stirrer; the outer wall of the tank body is provided with a heat preservation layer, and a heating layer is arranged between the periphery of the outer wall of the tank body and the heat preservation layer; one side of the top cover of the tank body is provided with a feed inlet, and the bottom is provided with a discharge valve, a discharge cavity, a filter plate and a discharge outlet. The utility model has simple structure, and the heating layer is arranged around the tank body, and adopts a common electric blanket, so that the cost is low; by arranging the stirrer, the dispersion effect of the cathode slurry can be effectively improved; the ejection of compact cavity and the filter of slope setting can promote negative pole thick liquids to flow, are favorable to improving filtration efficiency.
Description
Technical Field
The utility model relates to the technical field of lithium ion battery negative electrode coating manufacturing, in particular to a lithium ion battery negative electrode slurry heating and stirring device.
Background
The coating process is used as a key process in the lithium battery manufacturing process, and the process manufacturing level directly influences the quality of product performance and the yield. The winter negative electrode coating pole piece is easy to generate particles or bubbles, experimental researches show that the air temperature is low, and if the SBR is not well dispersed as a substance with the main bonding effect of the negative electrode slurry, all the substances can be separated from the slurry and float on the surface, and the slurry forms foreign matters, dust or bubbles in the negative electrode coating process, so that the appearance, low voltage, short circuit or safety performance of a finished battery cell is seriously influenced. This phenomenon can be ameliorated by adding heating and stirring measures to the anode slurry before coating, but there is currently no special heating and stirring device for pretreatment of the anode slurry of a lithium ion battery.
Disclosure of Invention
Aiming at the technical problems, the utility model aims to provide a heating and stirring device for lithium ion battery cathode slurry, so as to solve the problem that particles or bubbles are easy to generate when a cathode is coated on a pole piece in winter, and improve the safety and consistency of the battery.
The utility model relates to a heating and stirring device for lithium ion battery cathode slurry, which comprises a tank body,
the tank body top cover is provided with a stirring motor, an output shaft of the motor is fixedly connected with a stirrer, and the stirrer is provided with stirring blades;
an insulation layer is arranged on the outer wall of the tank body, and a heating layer is arranged between the periphery of the outer wall of the tank body and the insulation layer;
a feed inlet is formed in one side of a top cover of the tank body, and a discharge valve, a discharge cavity, a filter plate and a discharge hole are formed in the bottom of the tank body.
Preferably, the heating layer is an electric blanket.
Preferably, the heat-insulating layer is a heat-insulating cotton layer.
Preferably, the heat preservation layer is provided with a jacket, and a detachable zipper is arranged on the jacket.
Preferably, the discharging cavity and the filter plate are obliquely arranged, and a detachable connecting port is formed.
The beneficial effects of the utility model are as follows:
1. the utility model has simple structure, the heating layer is arranged around the tank body, the heating layer adopts a common electric blanket, the cost is low, the heat-insulating cotton layer avoids heat dissipation, and the energy is greatly saved.
2. Through setting up the agitator, can effectively improve the dispersion effect of negative pole thick liquids.
3. Through being provided with detachable ejection of compact cavity, when needs clear up the filter, can lift off ejection of compact cavity, change new ejection of compact cavity, avoid producing the influence to negative pole thick liquids production efficiency, ejection of compact cavity and the filter that the slope set up can promote negative pole thick liquids to flow, are favorable to improving filtration efficiency.
Drawings
In order to more clearly illustrate the technical solution of the present utility model, the drawings that are needed for the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a preferred embodiment of the present utility model;
fig. 2 is a schematic top view of a preferred embodiment of the present utility model.
Detailed Description
Referring to fig. 1 and 2, a heating and stirring device for anode slurry of a lithium ion battery is provided. The stirring device comprises a tank body 1, wherein a stirring motor 2 is arranged on a top cover of the tank body 1, an output shaft of the stirring motor 2 is fixedly connected with a stirrer 3, and stirring blades are arranged on the stirrer 3; an insulation layer 4 is arranged on the outer wall of the tank body 1, and a heating layer 5 is arranged between the periphery of the outer wall of the tank body 1 and the insulation layer 4; one side of the top cover of the tank body 1 is provided with a feed inlet 6, and the bottom is provided with a discharge valve 7, a discharge cavity 8, a filter plate 9 and a discharge outlet 10.
In a preferred embodiment, the heating layer 5 is an electric blanket, and the heat-insulating layer 4 is a heat-insulating cotton layer.
In a preferred embodiment, the heat-insulating layer 4 can be further provided with a jacket, and a detachable zipper is additionally arranged on the jacket, so that the heating layer and the heat-insulating layer can be removed when the ambient temperature is high.
In a preferred embodiment, the discharge chamber 8 is arranged obliquely and has a detachable connection opening 11.
The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.
Claims (5)
1. A heating and stirring device for anode slurry of a lithium ion battery is characterized by comprising a tank body,
the tank body top cover is provided with a stirring motor, an output shaft of the motor is fixedly connected with a stirrer, and the stirrer is provided with stirring blades;
an insulation layer is arranged on the outer wall of the tank body, and a heating layer is arranged between the periphery of the outer wall of the tank body and the insulation layer;
a feed inlet is formed in one side of a top cover of the tank body, and a discharge valve, a discharge cavity, a filter plate and a discharge hole are formed in the bottom of the tank body.
2. The device for heating and stirring negative electrode slurry of lithium ion battery according to claim 1, wherein the heating layer is an electric blanket.
3. The device for heating and stirring the lithium ion battery negative electrode slurry according to claim 1, wherein the heat preservation layer is a heat preservation cotton layer.
4. The device for heating and stirring the lithium ion battery cathode slurry according to claim 1, wherein the heat preservation layer is provided with a jacket, and a detachable zipper is arranged on the jacket.
5. The device for heating and stirring the anode slurry of the lithium ion battery according to claim 1, wherein the discharging cavity and the filter plate are obliquely arranged and are provided with detachable connectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320988464.2U CN219784453U (en) | 2023-04-27 | 2023-04-27 | Lithium ion battery negative electrode slurry heating and stirring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320988464.2U CN219784453U (en) | 2023-04-27 | 2023-04-27 | Lithium ion battery negative electrode slurry heating and stirring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219784453U true CN219784453U (en) | 2023-10-03 |
Family
ID=88188001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320988464.2U Active CN219784453U (en) | 2023-04-27 | 2023-04-27 | Lithium ion battery negative electrode slurry heating and stirring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219784453U (en) |
-
2023
- 2023-04-27 CN CN202320988464.2U patent/CN219784453U/en active Active
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