CN220439812U - Meta-aramid fiber coated lithium battery diaphragm production line - Google Patents
Meta-aramid fiber coated lithium battery diaphragm production line Download PDFInfo
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- CN220439812U CN220439812U CN202321699494.8U CN202321699494U CN220439812U CN 220439812 U CN220439812 U CN 220439812U CN 202321699494 U CN202321699494 U CN 202321699494U CN 220439812 U CN220439812 U CN 220439812U
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- Prior art keywords
- meta
- lithium battery
- plate
- production line
- aramid
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 229920006231 aramid fiber Polymers 0.000 title claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 239000004760 aramid Substances 0.000 claims description 41
- 229920003235 aromatic polyamide Polymers 0.000 claims description 41
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 12
- 238000005485 electric heating Methods 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229940018564 m-phenylenediamine Drugs 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004804 winding 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
Abstract
The utility model discloses a meta-aramid fiber coated lithium battery diaphragm production line, which relates to the technical field of battery diaphragm production, and aims to solve the technical problem of providing a meta-aramid fiber coated lithium battery diaphragm production line, and adopts the following scheme: the method comprises a conveyer, wherein feeding equipment, a cooling device, a flattening device and a slitting device are sequentially arranged in the conveyer, the conveyer is connected with a mounting plate on the surface through fasteners, a first connecting plate is connected with a side end bolt of the conveyer, and a feeding vehicle is connected with a side end bolt of the first connecting plate.
Description
Technical Field
The utility model relates to the technical field of battery diaphragm production, in particular to a meta-aramid fiber coated lithium battery diaphragm production line.
Background
The meta-aramid fiber is synthesized from m-phthaloyl chloride and m-phenylenediamine, has the characteristics of good temperature resistance and good mechanical properties, and is commonly used for manufacturing heat-insulating flame-retardant protective clothing. Therefore, in order to improve the temperature resistance of the lithium battery separator, a meta-aramid material is added to the lithium battery separator, and the meta-aramid material is used for producing the meta-aramid battery separator by using a meta-aramid coating lithium battery separator production line. Through retrieval, the patent with the Chinese patent number of CN211290910U discloses a lithium battery diaphragm extraction and drying device and a lithium battery diaphragm production line, which sequentially comprise an extrusion device, a cooling device, a stretching device, an extraction and drying device, a traction device, a flattening mechanism, a shaping mechanism and a winding mechanism according to a specific production flow sequence. After the lithium battery diaphragm is processed in multiple steps, the slitting device and the feeding equipment are not arranged, so that the size of the battery diaphragm cannot be unified, the lithium battery diaphragm is transported rapidly, the production efficiency is easy to influence, and the lithium battery diaphragm production line has limitation.
Disclosure of Invention
In order to solve the problems that the production line of the lithium battery diaphragm is not provided with a slitting device and feeding equipment, so that the production line can not unify the size of the battery diaphragm, and is rapidly transported and easily affects the production efficiency, the utility model is realized by the following technical scheme: the utility model provides a meta-position aramid coating lithium battery diaphragm production line, includes the conveyer, install feeding equipment, cooling device, flattening device and cutting device in proper order in the conveyer, be connected with the mounting panel through the fastener on the conveyer surface, conveyer side end bolted connection first connecting plate, first connecting plate side end bolted connection stack pallet, be equipped with the support in the feeding equipment, a support top block connection stock section of thick bamboo, the meta-position aramid is equipped with in the stock section of thick bamboo, stock section of thick bamboo bottom is connected with the feed hopper through the pipeline, the drive end of a support middle part bolted connection electric putter, the output of a electric putter is connected with the extruder through a movable plate.
Preferably, a first support plate is arranged in the cooling device, the top end of the first support plate is connected with the driving end of the second electric push rod through a bolt, the output end of the second electric push rod is connected with the second moving plate through a fastener, the bottom end of the second moving plate is provided with an air outlet, the side end of the air outlet is connected with the air cooler through a pipeline, and the side end of the air cooler is connected with the first support plate through a bolt.
Preferably, the flattening device is provided with a second support plate, the top end of the second support plate is connected with the driving end of a third electric push rod in a bolt manner, the output end of the third electric push rod is connected with a third moving plate through a fastener, the bottom end of the third moving plate is movably connected with a rotating roller, the side end of the rotating roller is connected with the output end of a stepping motor through a rotating shaft, and the side end of the rotating roller is connected with the second support plate in a bolt manner with the driving end of the stepping motor.
Preferably, a third support plate is arranged in the slitting device, the top end of the third support plate is connected with the driving end of the hydraulic push rod through a bolt, and the output end of the hydraulic push rod is connected with the blade through a fastener.
Preferably, a strip-shaped groove is formed in the first connecting plate, the side end of the feeding car is connected with a handle through bolts, rollers in rectangular distribution mode are arranged at the bottom end of the feeding car, and second connecting plates are symmetrically arranged at the side end of the top of the feeding car.
Preferably, the extruder side end is connected with a reinforcing plate through bolts, and the top end of the reinforcing plate is connected with the first moving plate at the side end through bolts.
Preferably, the bottom end of the storage cylinder is connected with the weight sensor through a bolt, and the bottom end of the storage cylinder is connected with the first electromagnetic valve through a bolt.
Preferably, the second solenoid valve is connected to the hopper bottom bolt, the inside buffer board that is equidistant distributed form that is equipped with of second solenoid valve.
Preferably, the electric heating plate is connected with the mounting plate through bolts, iron plates in an equidistant distribution mode are arranged at the top ends of the electric heating plates, and grooves are formed in the top ends of the mounting plate.
The utility model provides a meta-aramid fiber coated lithium battery diaphragm production line. The beneficial effects are as follows:
according to the utility model, the aramid fiber is coated in the lithium battery diaphragm through the conveyor, the feeding equipment, the mounting plate, the cooling device, the flattening device and the slitting device in sequence, the uniform size of the produced meta-aramid fiber coated lithium battery diaphragm can be ensured, and then the produced and processed meta-aramid fiber coated lithium battery diaphragm is fed through the feeding vehicle, so that the method is convenient and practical.
Drawings
FIG. 1 is a schematic diagram of the overall utility model;
FIG. 2 is a schematic view of a feeder apparatus of the present utility model;
FIG. 3 is a schematic view of the structure of the feeding device of the present utility model;
FIG. 4 is a schematic view of the structure of the mounting plate of the present utility model;
FIG. 5 is a schematic structural view of a flattening device according to the present utility model
FIG. 6 is a schematic structural view of a cooling device according to the present utility model
FIG. 7 is a schematic diagram of the connection structure of the feeding cart of the present utility model.
In the figure, 1, a conveyor; 2. a feeding device; 21. a stock barrel; 211. a weight sensor; 22. a first electromagnetic valve; 23. a hopper; 231. a second electromagnetic valve; 232. a buffer plate; 24. a bracket; 25. a first electric push rod; 26. a first moving plate; 27. an extruder; 28. a reinforcing plate; 3. a mounting plate; 31. an electric heating plate; 32. an iron plate; 33. a groove; 4. a cooling device; 41. a second electric push rod; 42. a second moving plate; 43. an air outlet; 44. a first support plate; 45. an air cooler; 5. a flattening device; 51. a third electric push rod; 52. a third moving plate; 53. a rotating roller; 54. a stepping motor; 55. a second support plate; 6. a slitting device; 61. a hydraulic push rod; 62. a blade; 63. a third support plate; 7. a first connecting plate; 71. a bar-shaped groove; 8. a feeding car; 81. a handle; 82. a roller; 83. and a second connecting plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-7, the embodiment of the present utility model provides a technical solution: the utility model provides a meta-position aramid coating lithium battery diaphragm production line, includes conveyer 1, install feeding equipment 2, cooling device 4, flattening device 5 and cutting device 6 in proper order in the conveyer 1, be connected with mounting panel 3 through the fastener on the conveyer 1 surface, conveyer 1 side end bolted connection first connecting plate 7, first connecting plate 7 side end bolted connection feed wagon 8, be equipped with support 24 in feeding equipment 2, support 24 top block connection stock barrel 21, the meta-position aramid is equipped with in stock barrel 21, stock barrel 21 bottom is connected with feed hopper 23 through the pipeline, support 24 middle part bolted connection first electric putter 25's drive end, first electric putter 25's output is connected with extruder 27 through first shifting plate 26, wherein, as fig. 2-3, and stock barrel 2 is with the effect that the meta-position aramid is transmitted to feed hopper 23 after, and is transmitted to extruder 27 with the meta-position aramid, then, first electric putter 25 goes up and down first shifting plate 26 and extruder 27 and extrusion device, then the flattening device is connected with the diaphragm 5 in proper order to the low-position aramid battery, then the diaphragm is cooled down to the diaphragm, and the diaphragm is then cooled down to the diaphragm is connected with the mounting panel through first electric putter 25, and the output end of first electric putter 25 is connected with extruder 27, wherein, as in the figure 2-3, after that stock barrel 2 transmits the meta-position aramid to feed hopper 23 to the feed hopper 23, the back, the high-position aramid is transmitted to extruder 27, then the high-position aramid is carried to the diaphragm, then the high-position aramid is pressed down, and then the diaphragm is cooled down to the diaphragm 1 to the diaphragm, and then the diaphragm is cooled down in proper order to the diaphragm-position mode 1 to the diaphragm.
Be equipped with first extension board 44 in the cooling device 4, the drive end of first extension board 44 top bolted connection second electric putter 41, the output of second electric putter 41 is connected with the second through the fastener and moves board 42, the second moves the board 42 bottom and is equipped with air outlet 43, air outlet 43 side is connected with air-cooler 45 through the pipeline, air-cooler 45 side bolted connection first extension board 44, as fig. 6, the effect that first extension board 44 of cooling device 4 played the support, the output of second electric putter 41 goes up and down second and moves board 42, then moves board 42 through air-cooler 45, pipeline and air outlet 43 output cold wind, can cool down the meta-position aramid lithium battery diaphragm on the mounting panel 3 like this.
The second support plate 55 is arranged in the flattening device 5, the top end of the second support plate 55 is connected with the driving end of the third electric push rod 51 through a bolt, the output end of the third electric push rod 51 is connected with the third moving plate 52 through a fastener, the bottom end of the third moving plate 52 is movably connected with the rotating roller 53, the side end of the rotating roller 53 is connected with the output end of the stepping motor 54 through a rotating shaft, the second support plate 55 is connected with the driving end of the stepping motor 54 through a bolt, as shown in fig. 5, the second support plate 55 of the flattening device 5 starts the supporting function, the output end of the third electric push rod 51 lifts the third moving plate 52, then the output end of the stepping motor 54 drives the rotating roller 53 to rotate, and the meta-position aramid lithium battery diaphragm on the flattening mounting plate 3 is flattened.
The third support plate 63 is arranged in the slitting device 6, the top end of the third support plate 63 is connected with the driving end of the hydraulic push rod 61 through a bolt, the output end of the hydraulic push rod 61 is connected with the blade 62 through a fastener, as shown in fig. 1, the third support plate 63 plays a supporting role, the hydraulic push rod 61 can lift the blade 62, and the blade 62 can cut the battery diaphragm in the groove 33, so that the size of the meta-position aramid lithium battery diaphragm is kept uniform.
Be equipped with bar groove 71 in the first link 7, feed car 8 side bolted connection handle 81, the feed car 8 bottom is equipped with and is the gyro wheel 82 of rectangle distribution form, feed car 8 top side end symmetry is equipped with second link 83, as fig. 7, feed car 8 passes through second link 83 joinable first link 7 and bar groove 71, and gyro wheel 82 and handle 81 then make things convenient for the staff to remove feed car 8 to pay-off meta-position aramid lithium battery diaphragm.
The extruder 27 side end bolted connection gusset plate 28, the first board 26 that moves of gusset plate 28 top bolted connection side end, as fig. 2-3, the extruder 27 can extrude the meta-position aramid fiber, and gusset plate 28 plays the effect of supporting.
The bottom end of the storage cylinder 21 is connected with a weight sensor 211 through a bolt, the bottom end of the storage cylinder 21 is connected with a first electromagnetic valve 22 through a bolt, as shown in fig. 2-3, and the weight sensor 211 can weigh the weight of meta-aramid of the storage cylinder 21 so as to calculate the weight of meta-aramid in the storage cylinder 21.
The second solenoid valve 231 is connected to the screw at the bottom of the hopper 23, the buffer plates 232 are arranged in the second solenoid valve 231 and are distributed at equal intervals, as shown in fig. 2-3, after the second solenoid valve 231 at the bottom of the hopper 23 is opened, the hopper 23 can feed to the extruder 27, and the buffer plates 232 can buffer the blanking speed.
The electric heating plate 31 is connected to the bolts in the mounting plate 3, the iron plates 32 in the form of equidistant distribution are arranged at the top ends of the electric heating plate 31, the grooves 33 are arranged at the top ends of the mounting plate 3, as shown in fig. 4, lithium battery diaphragms are placed in the grooves 33 of the mounting plate 3, the electric heating plate 31 can be heated, the iron plates 32 can conduct heat, the lithium battery diaphragms placed in the grooves 33 can be heated, and meanwhile, when meta-aramid is extruded and coated by the extruder 27, the meta-aramid and the lithium battery diaphragms can be bonded better by heating.
It should be noted that: when the lithium battery separator is used, the mounting plate 3 is connected through the conveyor 1, then the lithium battery separator is placed in the groove 33, the conveyor 1 conveys the lithium battery separator, at the moment, the mounting plate 3 passes through the feeding equipment 2, at the moment, the first electromagnetic valve 22 and the second electromagnetic valve 231 are opened, then the storage cylinder 2 transmits the meta-aramid to the feeding hopper 23, the meta-aramid is buffered by the buffer plate 232 of the feeding hopper 23, the feeding speed is buffered by the buffer plate 232, the meta-aramid is transmitted to the extruder 27, the extruder 27 extrudes and coats the meta-aramid to the lithium battery separator on the mounting plate 3, meanwhile, the mounting plate 3 starts the electric heating plate 31, the electric heating plate 31 can conduct heat through the iron plate 32, heats the lithium battery separator and the meta-aramid, enables the meta-aramid to be bonded with the lithium battery separator better, the cooling device 4 cools, the auxiliary lithium battery separator is bonded with the meta-aramid, the flattening device 5 then the lithium battery separator and the meta-aramid is cut by the cutting device 6, the lithium battery separator and the meta-aramid is kept uniform in size, finally, the lithium battery separator and the aramid is dropped to the feeding staff 8, the staff is removed from the feeding plate 7 and the second connecting plate 83 and the lithium battery separator is connected with the handle 81.
In addition, the utility model adopts a' 1 and a conveyer; 2. a feeding device; 21. a stock barrel; 211. a weight sensor; 22. a first electromagnetic valve; 23. a hopper; 231. a second electromagnetic valve; 232. a buffer plate; 24. a bracket; 25. a first electric push rod; 26. a first moving plate; 27. an extruder; 28. a reinforcing plate; 3. a mounting plate; 31. an electric heating plate; 32. an iron plate; 33. a groove; 4. a cooling device; 41. a second electric push rod; 42. a second moving plate; 43. an air outlet; 44. a first support plate; 45. an air cooler; 5. a flattening device; 51. a third electric push rod; 52. a third moving plate; 53. a rotating roller; 54. a stepping motor; 55. a second support plate; 6. a slitting device; 61. a hydraulic push rod; 62. a blade; 63. a third support plate; 7. a first connecting plate; 71. a bar-shaped groove; 8. a feeding car; 81. a handle; 82. a roller; 83. the second connecting plate component is a general standard component or a component known to a person skilled in the art, and the principle of the second connecting plate component can be obtained through market or public channel customization or purchased by the person skilled in the art through a technical manual or through a routine experiment method.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (9)
1. A meta-aramid fiber coated lithium battery diaphragm production line is characterized in that: including conveyer (1), install feeding equipment (2), cooling device (4), flattening device (5) and cutting device (6) in proper order in conveyer (1), conveyer (1) are connected with mounting panel (3) through the fastener on the surface, conveyer (1) side bolted connection first connecting plate (7), first connecting plate (7) side bolted connection feed wagon (8), be equipped with support (24) in feeding equipment (2), storage barrel (21) are connected in support (24) top block, be equipped with meta-position aramid fiber in storage barrel (21), storage barrel (21) bottom is connected with hopper (23) through the pipeline, the output of first electric putter (25) is connected with extruder (27) through first board (26) that moves in support (24) middle part bolted connection drive end.
2. The meta-aramid coated lithium battery separator production line according to claim 1, wherein: be equipped with first extension board (44) in cooling device (4), the drive end of first extension board (44) top bolted connection second electric putter (41), the output of second electric putter (41) is connected with second board (42) that moves through the fastener, second moves board (42) bottom and is equipped with air outlet (43), air outlet (43) side is connected with air-cooler (45) through the pipeline, first extension board (44) of air-cooler (45) side bolted connection.
3. The meta-aramid coated lithium battery separator production line according to claim 1, wherein: the flattening device (5) is internally provided with a second supporting plate (55), the top end of the second supporting plate (55) is connected with the driving end of a third electric push rod (51) through a bolt, the output end of the third electric push rod (51) is connected with a third moving plate (52) through a fastener, the bottom end of the third moving plate (52) is movably connected with a rotating roller (53), the side end of the rotating roller (53) is connected with the output end of a stepping motor (54) through a rotating shaft, and the side end of the rotating roller is connected with the second supporting plate (55) through a driving end bolt of the stepping motor (54).
4. The meta-aramid coated lithium battery separator production line according to claim 1, wherein: the slitting device (6) is internally provided with a third support plate (63), the top end of the third support plate (63) is connected with the driving end of the hydraulic push rod (61) through bolts, and the output end of the hydraulic push rod (61) is connected with a blade (62) through a fastener.
5. The meta-aramid coated lithium battery separator production line according to claim 1, wherein: be equipped with bar groove (71) in first link (7), feed wagon (8) side bolted connection handle (81), feed wagon (8) bottom is equipped with gyro wheel (82) that are rectangle distributed form, feed wagon (8) top side symmetry is equipped with second link (83).
6. The meta-aramid coated lithium battery separator production line according to claim 1, wherein: the side end of the extruder (27) is connected with a reinforcing plate (28) through bolts, and the top end of the reinforcing plate (28) is connected with a side end first moving plate (26) through bolts.
7. The meta-aramid coated lithium battery separator production line according to claim 1, wherein: the bottom end of the storage cylinder (21) is connected with a weight sensor (211) through bolts, and the bottom end of the storage cylinder (21) is connected with a first electromagnetic valve (22) through bolts.
8. The meta-aramid coated lithium battery separator production line according to claim 1, wherein: the bottom end of the feeding hopper (23) is connected with a second electromagnetic valve (231) through bolts, and buffer plates (232) in an equidistant distribution mode are arranged inside the second electromagnetic valve (231).
9. The meta-aramid coated lithium battery separator production line according to claim 1, wherein: the electric heating plate (31) is connected to the bolts in the mounting plate (3), iron plates (32) in an equidistant distribution mode are arranged at the top ends of the electric heating plates (31), and grooves (33) are formed in the top ends of the mounting plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321699494.8U CN220439812U (en) | 2023-06-30 | 2023-06-30 | Meta-aramid fiber coated lithium battery diaphragm production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321699494.8U CN220439812U (en) | 2023-06-30 | 2023-06-30 | Meta-aramid fiber coated lithium battery diaphragm production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220439812U true CN220439812U (en) | 2024-02-02 |
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ID=89693356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321699494.8U Active CN220439812U (en) | 2023-06-30 | 2023-06-30 | Meta-aramid fiber coated lithium battery diaphragm production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220439812U (en) |
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2023
- 2023-06-30 CN CN202321699494.8U patent/CN220439812U/en active Active
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