CN219664310U - Pole piece oven and battery production equipment - Google Patents
Pole piece oven and battery production equipment Download PDFInfo
- Publication number
- CN219664310U CN219664310U CN202321103264.0U CN202321103264U CN219664310U CN 219664310 U CN219664310 U CN 219664310U CN 202321103264 U CN202321103264 U CN 202321103264U CN 219664310 U CN219664310 U CN 219664310U
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- Prior art keywords
- pole piece
- drying cavity
- humidity
- drying
- oven
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 99
- 238000001514 detection method Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000007773 negative electrode material Substances 0.000 description 6
- 239000007774 positive electrode material Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006257 cathode slurry Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a pole piece oven and battery production equipment, and relates to the technical field of pole piece production. The pole piece oven comprises a box body, and a drying cavity is arranged in the box body; the conveying device is used for conveying the to-be-dried piece through the drying cavity; the air inlet supplies air into the drying cavity; the exhaust valve is arranged on the box body and is communicated with the drying cavity; the humidity detector is arranged in the drying cavity; the humidifying device is used for introducing moisture into the drying cavity and increasing the humidity in the drying cavity; and the control device is used for adjusting the humidification amount of the humidifying device according to the detection result of the humidity detector. Through setting up humidification device and guaranteeing when the weather is dry, humidity keeps stable in the oven, reduces the pole piece surface and dries the condition that leads to the fracture soon and appear, improves the drying effect of pole piece, improves the yields.
Description
Technical Field
The utility model relates to the technical field of pole piece production, in particular to a pole piece oven and battery production equipment.
Background
The main components of the cathode slurry of the battery cell are carbon and pure water, the carbon and the pure water are quantitatively coated on the copper foil after being uniformly mixed according to a certain proportion, and then the copper foil is heated at high temperature by an oven, and the moisture in the slurry is evaporated to obtain the dry pole piece. The moisture evaporation process in the slurry cannot be too fast, the surface of the pole piece is firstly dried, the interior of the pole piece is still in a wet film state, the wet slurry close to the copper foil is evaporated under the continuous high-temperature effect, the evaporated moisture can return to the oven through the dried pole piece surface, and the upper surface after drying has certain strength, so that the pole piece surface can be damaged in the water vapor release process, and the pole piece surface is cracked; conversely, if the pole piece is not able to evaporate the water in the slurry after passing through the high temperature oven, the pole piece will be in a wet film state.
The existing method for controlling the surface of the pole piece not to crack or preventing the pole piece from being baked and not dried is to control the drying state of the pole piece through the opening size of an exhaust valve, and the drying state of the pole piece can be observed through a humidity detector in the oven. The oven return air is outdoor full return air, and outdoor wind is greatly influenced by weather environment, such as rainy days, sunny days, summer days, winter days, different seasons, different humidity, return air humidity in the oven can be different, the difference of return air humidity can break original oven humidity balance, and pole piece drying cracking and incomplete drying phenomena can occur in pole pieces which are normally dried originally. Especially when return air humidity is lower, the humidity is too low in the oven leads to pole piece drying fracture, influences product quality.
Disclosure of Invention
In view of the defects in the prior art, the utility model provides a pole piece oven, which aims to improve the technical problems that the existing oven has different internal return air humidity and breaks through the original humidity balance of the oven to cause the drying and cracking of pole pieces.
In order to achieve the above and other related objects, the utility model provides a pole piece oven, which comprises a box body, wherein a drying cavity is arranged in the box body; the conveying device is used for conveying the to-be-dried piece through the drying cavity; the air inlet supplies air into the drying cavity; the exhaust valve is arranged on the box body and is communicated with the drying cavity; the humidity detector is arranged in the drying cavity; the humidifying device is used for introducing moisture into the drying cavity and increasing the humidity in the drying cavity; and the control device is used for adjusting the humidification amount of the humidifying device according to the detection result of the humidity detector.
In an exemplary embodiment of the utility model, a heating device is arranged at the air inlet, the heating device increases the air inlet temperature of the air inlet, and the control device controls the heating device.
In an exemplary embodiment of the utility model, a temperature detector is arranged in the drying cavity, and the control device is connected with the temperature detector in a signal manner.
In an exemplary embodiment of the utility model, the exhaust valve is provided with an automatic opening and closing device, and the control device controls the automatic opening and closing device.
In an exemplary embodiment of the utility model, the humidifying device is an atomizer, and the atomizer is communicated with the water storage tank.
In an exemplary embodiment of the present utility model, a plurality of atomizers are disposed in the case, and the atomizers are uniformly arranged along the moving direction of the member to be dried.
In an exemplary embodiment of the utility model, two atomizers are arranged at one side of the drying cavity, and the atomizers are respectively arranged at one third and two thirds of the drying cavity along the moving direction of the piece to be dried.
In an exemplary embodiment of the utility model, an upper hull and a lower hull are arranged in the box body, and air inlet pipes are arranged on the upper hull and the lower hull and are communicated with the air inlet.
In an exemplary embodiment of the utility model, the upper hull and the lower hull are each provided with a humidifying device.
The utility model also provides battery production equipment, which comprises the pole piece oven, and further comprises a coating device, wherein the coating device is arranged at the upstream of the pole piece oven.
The utility model has the beneficial effects that in combination with the prior art:
the existing pole piece oven return air is outdoor full return air, when the weather is dry, the return air humidity in the inlet oven is lower, so that the humidity in the oven is too low, the pole piece surface is dried too fast, the pole piece is dried and cracked, and the product quality is affected. The drying cavity is internally provided with the humidity detector and the humidifying device, when the humidity in the drying oven is too low due to low return air humidity in the drying oven due to dry weather, the humidity detector detects the humidity in the drying oven, the control device controls the humidifying device to humidify the drying cavity if the humidity is lower than the preset humidity after receiving the detected humidity value transmitted by the temperature detector, and the humidifying device is controlled to stop working if the humidity is higher than the preset humidity. Through setting up humidification device and guaranteeing when the weather is dry, humidity keeps stable in the oven, reduces the pole piece surface and dries the condition that leads to the fracture soon and appear, improves the drying effect of pole piece, improves the yields.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an exemplary oven according to the present utility model.
Description of element reference numerals
100. A case; 110. a drying chamber; 200. an air inlet; 210. a heating device; 300. an exhaust valve; 400. a humidity detector; 500. a humidifying device; 510. a water storage tank; 600. a temperature detector; 700. a pole piece; 810. an upper hull; 820. and a lower hull.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. It is also to be understood that the terminology used in the examples of the utility model is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the utility model. The test methods in the following examples, in which specific conditions are not noted, are generally conducted under conventional conditions or under conditions recommended by the respective manufacturers.
Where numerical ranges are provided in the examples, it is understood that unless otherwise stated herein, both endpoints of each numerical range and any number between the two endpoints are significant both in the numerical range. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs and to which this utility model belongs, and any method, apparatus, or material of the prior art similar or equivalent to the methods, apparatus, or materials described in the examples of this utility model may be used to practice the utility model.
It should be understood that the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like are used in this specification for descriptive purposes only and not for purposes of limitation, and that the utility model may be practiced without materially departing from the novel teachings and without departing from the scope of the utility model.
Currently, batteries have advantages of high energy density, high operating voltage, high safety performance, long service life and the like, and are widely applied to electronic equipment such as mobile phones, digital cameras and the like and electric automobiles. With the increasing demands of green energy environmental protection, energy storage and utilization and the like, batteries become bottlenecks for solving the development of new energy.
The battery cell comprises an electrode assembly and electrolyte, wherein the electrode assembly consists of a positive electrode plate, a negative electrode plate and a separation film. The battery cell mainly relies on metal ions to move between the positive pole piece and the negative pole piece to work. The positive electrode plate comprises a positive electrode current collector and a positive electrode active material layer, wherein the positive electrode active material layer is coated on the surface of the positive electrode current collector, the positive electrode current collector without the positive electrode active material layer protrudes out of the positive electrode current collector coated with the positive electrode active material layer, and the positive electrode current collector without the positive electrode active material layer is used as a positive electrode lug. Taking a lithium ion battery as an example, the material of the positive electrode current collector may be aluminum, and the positive electrode active material may be lithium cobaltate, lithium iron phosphate, ternary lithium, lithium manganate or the like. The negative electrode plate comprises a negative electrode current collector and a negative electrode active material layer, wherein the negative electrode active material layer is coated on the surface of the negative electrode current collector, the negative electrode current collector without the negative electrode active material layer protrudes out of the negative electrode current collector coated with the negative electrode active material layer, and the negative electrode current collector without the negative electrode active material layer is used as a negative electrode tab. The material of the negative electrode current collector may be copper, and the negative electrode active material may be carbon, silicon, or the like. In order to ensure that the high current is passed without fusing, the number of positive electrode lugs is multiple and stacked together, and the number of negative electrode lugs is multiple and stacked together. The material of the separator may be PP (polypropylene), PE (polyethylene), ceramic with PVDF (polyvinylidene fluoride) coating, or the like.
In the production process of the battery, the wet slurry on the pole piece needs to be dried by using an oven. The existing method for controlling the surface of the pole piece not to crack or preventing the pole piece from being baked and not dried is to control the drying state of the pole piece through the opening size of an exhaust valve, and the drying state of the pole piece can be observed through a humidity detector in the oven. The oven return air is outdoor full return air, and outdoor wind is greatly influenced by weather environment, such as rainy days, sunny days, summer days, winter days, different seasons, different humidity, return air humidity in the oven can be different, the difference of return air humidity can break original oven humidity balance, and pole piece drying cracking and incomplete drying phenomena can occur in pole pieces which are normally dried originally. In view of the above, the utility model provides a pole piece oven to solve the problems of too fast drying of the pole piece surface and cracking of the pole piece surface caused by too low humidity in the oven when the air return humidity is low.
Referring to fig. 1, the pole piece oven includes a box 100, a conveying device, an air inlet 200, an air exhaust valve 300, a humidity detector 400, a humidifying device 500 and a control device, wherein a drying cavity 110 is arranged in the box 100, the conveying device conveys a pole piece 700 to be dried into the drying cavity 110, and conveys the dried pole piece 700 out of the drying cavity 110. The air inlet 200 sends back air into the drying cavity 110, the back air can be circulated air or external fresh air, and the back air flows through the drying cavity 110 to take out the redundant water vapor in the drying cavity 110 so as to dry the pole piece 700 rapidly. The exhaust valve 300 is disposed on the case 100, a passage is formed between the air inlet 200 and the exhaust valve 300, and air is introduced through the air inlet 200 and exhausted through the exhaust valve 300. The humidity detector 400 is disposed in the drying chamber 110, and detects the humidity in the drying chamber 110. The humidifying device 500 is disposed in the drying chamber 110, may be disposed on a wall of the drying chamber 110, or may be disposed at other positions in the drying chamber 110, and when the humidity in the drying chamber 110 is low, the humidifying device 500 fills moisture into the drying chamber 110 to increase the humidity in the drying chamber 110. The control module is in communication connection with the humidity detector 400 and the humidifying device, and is configured to receive a detection result of the humidity detector 400, and adjust the humidifying amount of the humidifying device 500 according to the detection result.
The case 100 is a hollow case structure, and the shape of the case 100 may be a cuboid shape, a cylinder shape, or other shapes and structures, and may be set as required to meet different drying needs, preferably, the case 100 has a cuboid shape, and has a drying cavity 110 for drying the pole piece 700, a drying channel extending in a conveying direction of the pole piece 700 is provided in the drying cavity 110, the pole piece 700 is driven by a conveying device to enter the drying cavity 110 from one end of the case 100 along the drying channel, and exits from the other end of the case 100 after being dried in the drying cavity 110.
Illustratively, an upper hull 810 and a lower hull 820 are disposed in the box 100, and air inlet pipes are disposed on the upper hull 810 and the lower hull 820 and are communicated with the air inlet 200. The air inlet pipe is communicated with the drying cavity 110, and air flow in the air inlet 200 enters the drying cavity 110 through the air inlet pipe.
Illustratively, the humidity detector 400 is disposed in the drying chamber 110, and the humidity detector 400 may be embedded in a wall of the drying chamber 110 or may be mounted in the wall of the drying chamber 110 through a mounting bracket. The humidity detector 400 is used for detecting the humidity in the drying cavity 110 and communicating the detected humidity signal to the control module, and the control module controls and adjusts other modules, such as the opening and closing angle of the air exhaust valve 300, the air inlet temperature of the air inlet 200, the humidification amount of the humidifying device 500, and the like, according to the humidity detected by the humidity detector 400.
The case 100 is provided with an air outlet communicating with the drying chamber 110, and the air discharge valve 300 is provided at the air outlet to discharge air to the outside through the air discharge valve 300, and the amount of the flow is adjusted by controlling the opening and closing state and opening size of the air discharge valve 300. When the opening and closing angle of the air discharge valve 300 is larger, the flow passage area of the air discharge valve 300 is larger, and the amount of air flow flowing through the air discharge valve 300 per unit time is larger. When the humidity is too high and the pole piece 700 is not dried, the air discharge quantity is increased by increasing the opening and closing angle of the air discharge valve 300, so that the drying rate is improved; when the humidity is too low and the drying speed of the pole piece 700 is too fast, the air discharge quantity is reduced by reducing the opening and closing angle of the air discharge valve 300, so that the drying effect is ensured. Thus, by adjusting the opening and closing angle of the exhaust valve 300, the amount of steam flowing out of the drying chamber 110 can be adjusted.
Referring to fig. 1, in an embodiment, an automatic opening and closing device is disposed on the exhaust valve 300, and a control device is connected to the automatic opening and closing device in a communication manner, and controls the automatic opening and closing device to adjust the opening and closing angle of the exhaust valve 300. The control device controls the automatic opening and closing device according to the detection result of the humidity detector 400, so as to realize automatic adjustment of the air flow in the drying cavity 110.
Illustratively, the humidifying device 500 includes an atomizer and a water storage tank 510, the atomizer is communicated with the water storage tank 510, the atomizer is disposed in the drying chamber 110, and the atomizer atomizes and sprays pure water in the water storage tank 510 to increase the humidity in the drying chamber 110. When the drying cavity 110 is in a low-humidity environment, the control device controls the atomizer to spray water mist, and the spraying amount of the atomizer is automatically adjusted by the control device according to the humidity detection result.
Illustratively, the atomizers are uniformly arranged in the drying chamber 110, and the atomizers are uniformly arranged along the moving direction of the member to be dried so as to ensure uniform humidity in the drying passage. In an embodiment, two atomizers are provided at one side of the drying chamber 110, and the atomizers are disposed at one third and two thirds of the drying passage. The atomizer sprays the water atomization in the water storage tank 510, so that the humidifying efficiency can be improved, and the humidity in the drying cavity 110 can be rapidly improved, so that the drying effect can be ensured. Further, atomizers are provided on both the upper hull 810 and the lower hull 820 to ensure uniform humidity in the drying chamber 110.
In an embodiment, a heating device 210 is disposed at the air inlet 200, the heating device 210 increases the air inlet temperature of the air inlet 200, and the control device controls the heating device 210. When the outside fresh air temperature is lower, the air inlet temperature is increased by the heating device 210 to maintain the air flow temperature in the drying cavity 110, and when the drying is slower, the air inlet temperature can be further increased to increase the drying rate. Illustratively, the heating device 210 may be an electric heating device, such as an electric heating rod, or other suitable heating devices 210 may be selected according to actual needs.
In an exemplary embodiment, a temperature detector 600 is disposed in the drying chamber 110, and the control device is in signal connection with the temperature detector 600. The temperature in the drying cavity 110 can be detected in real time by arranging the temperature detector 600, the detection result is transmitted to the control device, and the control device adjusts and controls the heating device 210 at the air inlet 200 according to the detection temperature of the temperature detector 600.
The utility model also provides battery production equipment, which comprises the pole piece oven, and further comprises a coating device, wherein the coating device is arranged at the upstream of the pole piece oven. The coating device coats the sizing agent on the base material to prepare the pole piece, the pole piece formed after coating enters a pole piece oven, and the water in the sizing agent is removed by drying.
The pole piece oven disclosed by the utility model is convenient for adjusting the humidity and temperature in the pole piece oven, improves the drying efficiency, ensures the drying effect and improves the product yield. Therefore, the utility model effectively overcomes some practical problems in the prior art, thereby having high utilization value and use significance. The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. A pole piece oven, comprising:
the box body is internally provided with a drying cavity;
a conveying device for conveying the to-be-dried piece through the drying cavity;
the air inlet supplies air into the drying cavity;
the exhaust valve is arranged on the box body and is communicated with the drying cavity;
the humidity detector is arranged in the drying cavity;
the humidifying device is used for introducing moisture into the drying cavity and increasing the humidity in the drying cavity;
and the control device is used for adjusting the humidification amount of the humidifying device according to the detection result of the humidity detector.
2. The pole piece oven according to claim 1, characterized in that a heating device is arranged at the air inlet, the heating device increases the air inlet temperature of the air inlet, and the control device controls the heating device.
3. The pole piece oven according to claim 2, characterized in that a temperature detector is arranged in the drying cavity, and the control device is in signal connection with the temperature detector.
4. The pole piece oven according to claim 1, characterized in that the exhaust valve is provided with an automatic opening and closing device, and the control device controls the automatic opening and closing device.
5. The pole piece oven of claim 1, wherein the humidifying device is an atomizer, the atomizer being in communication with a water storage tank.
6. The pole piece oven according to claim 5, characterized in that a plurality of atomizers are provided in the box body, the atomizers being uniformly arranged along the moving direction of the piece to be dried.
7. The pole piece oven according to claim 6, wherein two atomizers are arranged at one side of the drying cavity, and are respectively arranged at one third and two thirds of the drying cavity along the moving direction of the piece to be dried.
8. The pole piece oven according to claim 1, wherein an upper hull and a lower hull are arranged in the box body, air inlet pipes are arranged on the upper hull and the lower hull, and the air inlet pipes are communicated with the air inlet.
9. The pole piece oven of claim 8, wherein the upper hull and the lower hull are each provided with a humidifying device.
10. A battery production apparatus comprising the pole piece oven of any one of claims 1 to 9, further comprising a coating device disposed upstream of the pole piece oven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321103264.0U CN219664310U (en) | 2023-05-09 | 2023-05-09 | Pole piece oven and battery production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321103264.0U CN219664310U (en) | 2023-05-09 | 2023-05-09 | Pole piece oven and battery production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219664310U true CN219664310U (en) | 2023-09-12 |
Family
ID=87895259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321103264.0U Active CN219664310U (en) | 2023-05-09 | 2023-05-09 | Pole piece oven and battery production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219664310U (en) |
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2023
- 2023-05-09 CN CN202321103264.0U patent/CN219664310U/en active Active
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