CN108981356B - Drying device is used in production of positive negative pole piece of lithium ion battery - Google Patents
Drying device is used in production of positive negative pole piece of lithium ion battery Download PDFInfo
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- CN108981356B CN108981356B CN201810552981.9A CN201810552981A CN108981356B CN 108981356 B CN108981356 B CN 108981356B CN 201810552981 A CN201810552981 A CN 201810552981A CN 108981356 B CN108981356 B CN 108981356B
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- drying box
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- extrusion
- rotating shaft
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- 238000001035 drying Methods 0.000 title claims abstract description 64
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000001125 extrusion Methods 0.000 claims abstract description 48
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000005096 rolling process Methods 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 9
- 238000000576 coating method Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
- F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
- F26B13/14—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/20—Rollers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Textile Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a drying device for producing positive and negative pole pieces of a lithium ion battery, which comprises a drying box and through holes arranged on two end faces of the drying box, wherein pole pieces are inserted into the two through holes, extrusion barrels are arranged at the upper end and the lower end of each pole piece in the drying box, and the extrusion barrels are fixedly sleeved on a rotating shaft through a supporting fixed rod. Has the advantages that: the drying device for producing the positive and negative pole pieces of the lithium ion battery can combine drying and rolling into a whole, not only shortens the process steps, but also saves the production time, and has the advantages of low energy consumption, energy conservation, environmental protection and good practicability.
Description
Technical Field
The invention relates to the field of lithium ion battery production, in particular to a drying device for producing positive and negative pole pieces of a lithium ion battery.
Background
During charging and discharging, L i + is inserted and extracted back and forth between two electrodes, L i + is extracted from positive electrode and inserted into negative electrode through electrolyte, and negative electrode is in rich state.
The production process of the lithium battery is relatively complex, and the main production process flow covers a stirring coating stage (front section) for electrode manufacturing, a winding liquid injection stage (middle section) for battery core synthesis and a packaging detection stage (rear section) for formation packaging.
At present, in the lithium cell anterior segment technology, after the pole piece scribbles the thick liquids through the coating machine, need earlier dry the thick liquids on pole piece surface through the stoving case, then can get into the synthetic coiling liquid injection stage of electric core through the roller press roll-in back again, originally the pole piece need spend longer time just can dry in the stoving incasement, still will pass through the roll-in operation after the stoving, consequently whole lithium cell anterior segment stirring coating process flow is consuming time longer, in addition, the stoving case that carries out the stoving to the pole piece generally adopts hot-blast drying-machine to provide hot-blast, also perhaps adopt infrared heater to carry out infrared heating and bake, no matter what kind of mode of adoption, all regional stoving heats to whole stoving incasement portion, the energy consumption is higher.
Disclosure of Invention
The invention aims to solve the problems and provide a drying device for producing positive and negative pole pieces of a lithium ion battery, so as to solve the problems that the traditional stirring and coating process flow at the front section of the lithium battery in the prior art consumes longer time, and the drying and heating energy consumption is higher. The preferable technical scheme of the technical schemes provided by the invention can realize the combination of drying and rolling, not only shortens the process steps, but also saves the production time, and has the technical effects of lower energy consumption, energy conservation, environmental protection, good practicability and the like, and the details are explained in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a drying device for producing positive and negative pole pieces of a lithium ion battery, which comprises a drying box and through holes arranged on two end faces of the drying box, wherein pole pieces are inserted into the two through holes, extrusion barrels are arranged at the upper end and the lower end of each pole piece in the drying box, the extrusion barrels are fixedly sleeved on a rotating shaft through a supporting fixed rod, two ends of the rotating shaft respectively extend out of the front face and the back face of the drying box and are respectively and fixedly connected with a gear and a mounting ring, a driving motor is arranged on the side face of the drying box, and the driving motor is connected with the gear through a toothed belt; a plurality of power receiving blocks are fixedly arranged outside the mounting ring, a conductive brush which is tightly and slidably connected with the power receiving blocks is arranged between the mounting ring and the pole piece, the side surface of the conductive brush is fixedly connected with a conductive mounting rod, the upper conductive mounting rod and the lower conductive mounting rod are elastically connected through a compressed conductive spring, and a battery which is electrically connected with the conductive mounting rod is arranged on the back surface of the drying box;
the front side and the back side of the drying box are provided with sliding grooves at the joints with the rotating shaft at the lower end of the pole piece, the end part of the rotating shaft at the lower end of the pole piece is provided with a fixed lath, the lower end of the fixed lath is connected with an electro-hydraulic push rod, the electro-hydraulic push rod is provided with a displacement sensor, and the front side of the drying box is provided with a display screen and a processor electrically connected with the display screen and the displacement sensor;
the extrusion cylinder is characterized in that the outer wall of the extrusion cylinder is embedded with a plurality of bar-shaped infrared heaters, the number of the bar-shaped infrared heaters is equal to that of the power receiving blocks, and each bar-shaped infrared heater is electrically connected with one power receiving block through an insulated wire.
Preferably, the number of the extrusion barrels is multiple, and the extrusion barrels are uniformly distributed at the upper end and the lower end of the pole piece;
each extrusion cylinder is arranged on the front surface and the back surface of the drying box through one rotating shaft;
the gear and the mounting ring are mounted at two ends of each rotating shaft;
the gears positioned on the same side of the pole pieces are connected through the toothed belt;
the conductive brushes at the lower ends of the mounting rings on the same side of the pole piece are fixedly connected through one conductive mounting rod.
Preferably, the plurality of strip-shaped infrared heaters and the power receiving blocks are distributed in a centrosymmetric manner by taking the rotating shaft as a center;
when one strip-shaped infrared heater rotates to the lowest point of the extrusion container, one power receiving block is arranged at the lowest point of the mounting ring.
Preferably, the length of the conductive brush is greater than the length of the power receiving block.
Preferably, the number of the electro-hydraulic push rods is multiple, and the electro-hydraulic push rods are uniformly distributed at the lower end of the fixed lath;
the machine body of the electro-hydraulic push rod is vertically and fixedly installed on the back of the drying box;
and the push rod head of the electro-hydraulic push rod is fixedly connected with the fixed lath.
Preferably, the outer surface of the strip-shaped infrared heater is an arc surface;
wherein the radius of the cambered surface is equal to half of the outer diameter of the extrusion container.
When the drying device for producing the positive and negative pole pieces of the lithium ion battery is used, the distance between the upper row of the extrusion cylinders and the lower row of the extrusion cylinders is adjusted according to the thickness of the pole pieces (the specific adjustment method is that the electro-hydraulic push rod is controlled to rotate to push the fixed lath to move up and down so as to adjust the distance between the upper row of the extrusion cylinders and the lower row of the extrusion cylinders), after the distance adjustment is finished, the circuit connection of the conductive installation rod is switched on, at the moment, the power receiving block which is in sliding contact with the conductive brush is powered on and is switched on, the circuit connection of the strip-shaped infrared heater at the lowest point of the extrusion cylinders is switched on, the strip-shaped infrared heater is powered on to emit infrared rays outwards, then the pole pieces penetrate into the drying box from the through holes on the left side of the, as only the power receiving block at the lowest point of the mounting ring can be in contact with the conductive brush to conduct electricity, only the strip-shaped infrared heater at the lowest point of the extrusion cylinder can be electrified to work, and all other strip-shaped infrared heaters on the extrusion cylinder are in a power-off state, compared with the design mode of drying and heating all areas in the whole drying box of the traditional drying box, the design mode of electrifying and heating only one strip-shaped infrared heater obviously saves electricity, saves energy and protects environment, and the strip-shaped infrared heater at the lowest point of the extrusion cylinder is just in contact with the pole piece, so that the pole piece can be subjected to infrared heating to remove moisture in the slurry on the surface of the pole piece, and meanwhile, the pole piece is extruded by the upper and lower rows of extrusion cylinders, thereby realizing drying, drying and heating, The extrusion process is combined into one, so that the process steps are shortened, the production time is saved, and the practicability is good.
Has the advantages that: the drying device for producing the positive and negative pole pieces of the lithium ion battery can combine drying and rolling into a whole, not only shortens the process steps, but also saves the production time, and has the advantages of low energy consumption, energy conservation, environmental protection and good practicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is an internal block diagram of FIG. 1 of the present invention;
FIG. 3 is a rear view of the present invention;
FIG. 4 is a left side view of the container of the present invention;
FIG. 5 is a rear view of the container of the present invention;
fig. 6 is a cross-sectional view of fig. 4 of the present invention.
The reference numerals are explained below:
1. a drying box; 2. pole pieces; 3. an extrusion cylinder; 4. a rotating shaft; 5. a chute; 6. a gear; 7. a toothed belt; 8. a drive motor; 9. fixing the lath; 10. an electro-hydraulic push rod; 11. through the hole; 12. a battery; 13. a conductive mounting bar; 14. compressing the conductive spring; 15. a strip-shaped infrared heater; 16. installing a ring; 17. a power receiving block; 18. a conductive brush; 19. an insulated wire; 20. supporting the fixed rod; 21. a displacement sensor; 22. a display screen; 23. a processor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1-6, the drying device for producing the positive and negative pole pieces of the lithium ion battery provided by the invention comprises a drying box 1 and through holes 11 arranged on two end surfaces of the drying box 1, wherein the through holes 11 are used for the pole pieces 2 to pass through, the pole pieces 2 are inserted into the two through holes 11, extrusion cylinders 3 are arranged at the upper end and the lower end of the pole pieces 2 in the drying box 1, the extrusion cylinders 3 are used for extruding the pole pieces 2, so that a coating thin layer on the surfaces of the pole pieces 2 is compact, the extrusion cylinders 3 are fixedly sleeved on a rotating shaft 4 through a supporting fixed rod 20, two ends of the rotating shaft 4 respectively extend out of the front surface and the back surface of the drying box 1 and are respectively and fixedly connected with a gear 6 and a mounting ring 16, a driving motor 8 is arranged on the side surface of the drying box 1, the; a plurality of power receiving blocks 17 are fixedly arranged outside the mounting ring 16, the power receiving blocks 17 are used for being in contact with a conductive brush 18 to be connected with a circuit of the strip-shaped infrared heater 15, the conductive brush 18 closely connected with the power receiving blocks 17 in a sliding manner is arranged between the mounting ring 16 and the pole piece 2, the side surface of the conductive brush 18 is fixedly connected with the conductive mounting rods 13, the upper conductive mounting rod 13 and the lower conductive mounting rod 13 are elastically connected through a compressed conductive spring 14, and the conductive mounting rods 13 at the lower end of the pole piece 2 can slide in the sliding groove 5 along with the rotating shaft 4, so that the distance between the upper conductive mounting rod 13 and the lower conductive mounting rod 13 is changed, the upper conductive mounting rod 13 and the lower conductive mounting rod 13 need to be electrically connected through the compressed;
the connection part of the front and the back of the drying box 1 and the rotating shaft 4 at the lower end of the pole piece 2 is provided with a sliding chute 5, the sliding chute 5 is used for the up-and-down movement of the lower layer of extruding cylinder 3, the distance between the upper and the lower layers of extruding cylinder 3 is adjusted, the drying and rolling requirements of the pole pieces 2 with various thicknesses are met, the end part of the rotating shaft 4 at the lower end of the pole piece 2 is provided with a fixed lath 9, the fixed lath 9 is used for installing a plurality of rotating shafts 4 together, the electro-hydraulic push rod 10 is convenient to push the rotating shafts to move up and down, the lower end of the fixed lath 9 is connected with the electro-hydraulic push rod 10, the electro-hydraulic push rod 10 is provided with a displacement sensor 21, namely, the displacement of the fixed lath 9 and the detected data are transmitted to the processor 23, and are displayed through the display screen 22 for the operator to refer to after being processed by the processor 23;
the outer wall of the extrusion cylinder 3 is embedded with a plurality of strip-shaped infrared heaters 15 with the number equal to that of the power receiving blocks 17, and each strip-shaped infrared heater 15 is electrically connected with one power receiving block 17 through an insulated wire 19.
As an optional implementation mode, a plurality of extrusion barrels 3 are uniformly distributed at the upper end and the lower end of the pole piece 2, and the plurality of extrusion barrels 3 can ensure that the pole piece 2 is compressed and compact;
wherein, each extrusion cylinder 3 is arranged on the front and the back of the drying box 1 through a rotating shaft 4;
wherein, both ends of each rotating shaft 4 are provided with a gear 6 and a mounting ring 16;
the multiple gears 6 positioned on the same side of the pole piece 2 are connected through the toothed belt 7, and the multiple gears 6 on the same side can be driven to synchronously rotate through the rotation of the driving motor 8;
the conductive brushes 18 at the lower ends of the mounting rings 16 on the same side of the pole piece 2 are fixedly connected through one conductive mounting rod 13, so that the conductive brushes 18 can be supplied with power through one conductive mounting rod 13.
The plurality of strip-shaped infrared heaters 15 and the power receiving blocks 17 are distributed in a centrosymmetric manner by taking the rotating shaft 4 as a center;
when the strip-shaped infrared heater 15 rotates to the lowest point of the extrusion container 3, the lowest point of the mounting ring 16 is also provided with a power receiving block 17, so that the strip-shaped infrared heater 15 is ensured to rotate to the lowest point of the extrusion container 3 to be electrified to work.
The length of the conductive brush 18 is larger than that of the power receiving block 17, so that the strip-shaped infrared heater 15 is in a power-on state between the time when the strip-shaped infrared heater 15 rotates to reach the lowest point and the time when the strip-shaped infrared heater 15 leaves the lowest point and starts to rotate and rise, the power-on time of the strip-shaped infrared heater 15 is longer, and the pole piece 2 can be better heated when the strip-shaped infrared heater 15 is in contact with the pole piece 2.
A plurality of electro-hydraulic push rods 10 are uniformly distributed at the lower end of the fixed lath 9;
wherein, the body of the electro-hydraulic push rod 10 is vertically and fixedly arranged on the back of the drying box 1;
wherein, the push rod head of the electro-hydraulic push rod 10 is fixedly connected with the fixed lath 9.
The outer surface of the strip-shaped infrared heater 15 is a cambered surface;
the radius of the cambered surface is equal to half of the outer diameter of the extrusion barrel 3, so that the design can effectively prevent the strip-shaped infrared heater 15 from forming an indentation on the slurry on the surface of the pole piece 2.
When the drying device for producing the positive and negative pole pieces of the lithium ion battery is used, the distance between the upper and lower rows of extrusion cylinders 3 is adjusted according to the thickness of the pole pieces 2 (the specific adjustment method is that the distance between the upper and lower rows of extrusion cylinders 3 can be adjusted by controlling the electro-hydraulic push rod 10 to rotate to push the fixing plate 9 to move up and down), after the distance adjustment is finished, the circuit connection of the conductive installation rod 13 is connected, at the moment, the power receiving block 17 in sliding contact with the conductive brush 18 is powered on and is connected with the circuit connection of the strip infrared heater 15 at the lowest point of the extrusion cylinders 3, the strip infrared heater 15 is powered on to emit infrared rays outwards, then the pole pieces 2 penetrate into the drying box 1 from the through hole 11 at the left side of the drying box 1 and penetrate between the upper and lower rows of extrusion cylinders 3, finally the pole pieces 2 extend out from the drying box 1 through the hole 11, because only the power, therefore, only the strip infrared heater 15 at the lowest point of the extrusion cylinder 3 can be powered on to work, and all other strip infrared heaters 15 on the extrusion cylinder 3 are in a power-off state, compared with the design mode of drying and heating all the areas in the whole drying box 1 of the traditional drying box 1, the design mode of powering on and heating only one strip infrared heater 15 is obviously more power-saving, energy-saving and environment-friendly, and the strip infrared heater 15 at the lowest point of the extrusion cylinder 3 just contacts with the pole piece 2, so that the pole piece 2 can be subjected to infrared heating, moisture in slurry on the surface of the pole piece 2 is removed, and meanwhile, the pole piece 2 is extruded by the upper and lower rows of extrusion cylinders 3, thereby realizing the combination of drying and extrusion processes, not only shortening the process steps, but also saving the production time, and having good practicability.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (5)
1. The utility model provides a drying device is used in production of positive negative pole piece of lithium ion battery, includes stoving case (1) and sets up through hole (11) on stoving case (1) both ends face, its characterized in that: pole pieces (2) are inserted into the two through holes (11), extrusion barrels (3) are arranged at the upper end and the lower end of each pole piece (2) in the drying box (1), the extrusion barrels (3) are fixedly sleeved on the rotating shaft (4) through supporting fixing rods (20), two ends of the rotating shaft (4) respectively extend out of the front face and the back face of the drying box (1) and are respectively and fixedly connected with a gear (6) and a mounting ring (16), a driving motor (8) is arranged on the side face of the drying box (1), and the driving motor (8) is connected with the gear (6) through a toothed belt (7); a plurality of power receiving blocks (17) are fixedly mounted on the outer portion of the mounting ring (16), a conductive brush (18) which is tightly connected with the power receiving blocks (17) in a sliding mode is arranged between the mounting ring (16) and the pole piece (2), the side face of the conductive brush (18) is fixedly connected with a conductive mounting rod (13), the upper conductive mounting rod and the lower conductive mounting rod (13) are elastically connected through a compressed conductive spring (14), and a battery (12) which is electrically connected with the conductive mounting rod (13) is arranged on the back face of the drying box (1);
the front and back of the drying box (1) are provided with sliding grooves (5) at the joints with the rotating shaft (4) at the lower end of the pole piece (2), the end part of the rotating shaft (4) at the lower end of the pole piece (2) is provided with a fixed lath (9), the lower end of the fixed lath (9) is connected with an electro-hydraulic push rod (10), the electro-hydraulic push rod (10) is provided with a displacement sensor (21), and the front of the drying box (1) is provided with a display screen (22) and a processor (23) which is electrically connected with the display screen (22) and the displacement sensor (21);
a plurality of strip-shaped infrared heaters (15) with the number equal to that of the power receiving blocks (17) are embedded in the outer wall of the extrusion barrel (3), and each strip-shaped infrared heater (15) is electrically connected with one power receiving block (17) through an insulated wire (19);
the strip-shaped infrared heaters (15) and the power receiving blocks (17) are distributed in a centrosymmetric manner by taking the rotating shaft (4) as a center;
when one strip-shaped infrared heater (15) rotates to the lowest point of the extrusion container (3), the lowest point of the mounting ring (16) is also provided with one power receiving block (17).
2. The drying device for producing the positive and negative pole pieces of the lithium ion battery of claim 1, is characterized in that: the extrusion barrels (3) are multiple in number and are uniformly distributed at the upper end and the lower end of the pole piece (2);
wherein each extrusion cylinder (3) is arranged on the front surface and the back surface of the drying box (1) through one rotating shaft (4);
the gear (6) and the mounting ring (16) are mounted at two ends of each rotating shaft (4);
wherein a plurality of gears (6) positioned on the same side of the pole piece (2) are connected through the toothed belt (7);
the conductive brushes (18) at the lower ends of the mounting rings (16) on the same side of the pole piece (2) are fixedly connected through one conductive mounting rod (13).
3. The drying device for producing the positive and negative pole pieces of the lithium ion battery of claim 1, is characterized in that: the length of the conductive brush (18) is greater than the length of the power receiving block (17).
4. The drying device for producing the positive and negative pole pieces of the lithium ion battery of claim 1, is characterized in that: the number of the electro-hydraulic push rods (10) is multiple, and the electro-hydraulic push rods are uniformly distributed at the lower end of the fixed lath (9);
the machine body of the electro-hydraulic push rod (10) is vertically and fixedly installed on the back of the drying box (1);
the push rod head of the electro-hydraulic push rod (10) is fixedly connected with the fixed lath (9).
5. The drying device for producing the positive and negative pole pieces of the lithium ion battery of claim 1, is characterized in that: the outer surface of the strip-shaped infrared heater (15) is an arc surface;
wherein the radius of the cambered surface is equal to half of the outer diameter of the extrusion container (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810552981.9A CN108981356B (en) | 2018-06-01 | 2018-06-01 | Drying device is used in production of positive negative pole piece of lithium ion battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810552981.9A CN108981356B (en) | 2018-06-01 | 2018-06-01 | Drying device is used in production of positive negative pole piece of lithium ion battery |
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| CN108981356A CN108981356A (en) | 2018-12-11 |
| CN108981356B true CN108981356B (en) | 2020-07-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109603953B (en) * | 2018-12-19 | 2020-04-28 | 燕山大学 | Lithium battery pole piece drying process experiment platform |
| CN113739522A (en) * | 2021-09-02 | 2021-12-03 | 云南惠铜新材料科技有限公司 | Baking equipment that lithium electricity copper foil warp resistance |
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|---|---|---|---|---|
| GB2242509A (en) * | 1990-03-27 | 1991-10-02 | Pagendarm Gmbh | Method of and apparatus for condensing vaporous substances |
| CN1350208A (en) * | 2000-10-19 | 2002-05-22 | 松下电器产业株式会社 | Photographic fixing device |
| CN1453666A (en) * | 2002-04-25 | 2003-11-05 | 佳能株式会社 | Image heating apparatus |
| CN105149186A (en) * | 2014-05-27 | 2015-12-16 | 中信国安盟固利动力科技有限公司 | Drying method and drying device for pole pieces in pole piece plating process of lithium battery |
| CN106222912A (en) * | 2016-08-30 | 2016-12-14 | 天津市嘉轩纺织有限公司 | A kind of New drying device |
-
2018
- 2018-06-01 CN CN201810552981.9A patent/CN108981356B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2242509A (en) * | 1990-03-27 | 1991-10-02 | Pagendarm Gmbh | Method of and apparatus for condensing vaporous substances |
| CN1350208A (en) * | 2000-10-19 | 2002-05-22 | 松下电器产业株式会社 | Photographic fixing device |
| CN1453666A (en) * | 2002-04-25 | 2003-11-05 | 佳能株式会社 | Image heating apparatus |
| CN105149186A (en) * | 2014-05-27 | 2015-12-16 | 中信国安盟固利动力科技有限公司 | Drying method and drying device for pole pieces in pole piece plating process of lithium battery |
| CN106222912A (en) * | 2016-08-30 | 2016-12-14 | 天津市嘉轩纺织有限公司 | A kind of New drying device |
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| CN108981356A (en) | 2018-12-11 |
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