CN117293403A - Lithium battery processing system and method - Google Patents
Lithium battery processing system and method Download PDFInfo
- Publication number
- CN117293403A CN117293403A CN202311423767.0A CN202311423767A CN117293403A CN 117293403 A CN117293403 A CN 117293403A CN 202311423767 A CN202311423767 A CN 202311423767A CN 117293403 A CN117293403 A CN 117293403A
- Authority
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- China
- Prior art keywords
- plate
- connection
- lithium battery
- processing system
- folded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000011889 copper foil Substances 0.000 claims abstract description 20
- 238000005520 cutting process Methods 0.000 claims abstract description 11
- 239000007773 negative electrode material Substances 0.000 claims abstract description 11
- 239000012528 membrane Substances 0.000 claims abstract description 3
- 239000011324 bead Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 230000000694 effects Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 4
- 238000003475 lamination Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000002641 lithium Chemical class 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0459—Cells or batteries with folded separator between plate-like electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Primary Cells (AREA)
Abstract
The invention relates to the field of batteries, in particular to a lithium battery processing system and method. Including mainboard and folded plate, folded plate rotate and connect on the mainboard, and the key-type connection has first rotating electrical machines between mainboard and the folded plate, and the diaphragm is placed on the mainboard. A method for processing a lithium battery in a lithium battery processing system, the method comprising the steps of: s1: placing a copper foil 307 between the driving wheel and the driven wheel, so that a negative electrode material is coated on the copper foil to prepare a negative plate; s2: rotating the side plates and the folded plates, and cutting the processed negative plate; s3: continuing to rotate the folded plate, and clamping the negative plate after the diaphragm is folded; s4: driving the push plate to push the membrane for clamping the negative plate into the positive plate group; s5: reset folded plate and push plate to drive positive plate group to descend. The diaphragm is convenient to fold and then clamp the negative plate, the cutting times of the diaphragm are reduced, and the diaphragm which is too long is not required to be processed.
Description
Technical Field
The invention relates to the field of batteries, in particular to a lithium battery processing system and method.
Background
A lithium battery is a battery that realizes energy conversion and storage by chemical reaction of intercalation and deintercalation of lithium ions between positive and negative electrodes. . Lithium batteries have advantages of high energy density, light weight, long cycle life, low self-discharge rate, and the like, and thus are widely used in the fields of mobile devices, electric tools, electric vehicles, energy storage systems, and the like. At present, the lithium battery processing lamination mode has lamination of direct lamination of diaphragm cutting and folding type of Z-shaped lamination of diaphragm not cutting. However, the cutting requirements of the laminated lithium battery on the diaphragm are high, and the folded laminated lithium battery needs to be processed into an overlong diaphragm, which has high requirements on the production process.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a lithium battery processing system and a lithium battery processing method, which have the beneficial effects that the diaphragm is convenient to clamp a negative plate after being folded, the cutting times of the diaphragm are reduced, and the diaphragm which is too long is not required to be processed.
A lithium battery processing system comprises a main board and a folded plate, wherein the folded plate is rotationally connected to the main board, a first rotating motor is connected between the main board and the folded plate through a key, and a diaphragm is placed on the main board.
A method for processing a lithium battery in a lithium battery processing system, the method comprising the steps of:
s1: placing a copper foil 307 between the driving wheel and the driven wheel, so that a negative electrode material is coated on the copper foil to prepare a negative plate;
s2: rotating the side plates and the folded plates, and cutting the processed negative plate;
s3: continuing to rotate the folded plate, and clamping the negative plate after the diaphragm is folded;
s4: driving the push plate to push the membrane for clamping the negative plate into the positive plate group;
s5: reset folded plate and push plate to drive positive plate group to descend.
Drawings
The invention will be described in further detail with reference to the accompanying drawings and detailed description.
FIG. 1 is a flow chart of a lithium battery processing method;
FIG. 2 is a schematic diagram of a lithium battery processing system;
FIG. 3 is a schematic diagram of a lithium battery processing system;
FIG. 4 is a schematic diagram of a motherboard;
FIG. 5 is a second schematic structural diagram of the motherboard;
FIG. 6 is a schematic view of a first embodiment of a flap;
FIG. 7 is a second schematic structural view of the flap;
FIG. 8 is a schematic structural view of a wheel carrier;
FIG. 9 is a second schematic illustration of the structure of the wheel carrier;
FIG. 10 is a schematic view of a first structure of a housing;
fig. 11 is a schematic structural view of the housing.
In the figure: a main board 101; a side plate 102; a limit bar 103; a stop lever 104; a push rod 105; a link 106; a blade 107; a slide shaft 108;
a flap 201; threaded rod I202; a push plate 203; a half-thread block 204; a tension spring 205; a stop 206;
the wheel frame 301; a drive wheel 302; driven wheel 303; a scraper 304; a funnel 305; a spatula 306; copper foil 307;
a housing 401; a battery case 402; a positive plate group 403; a plunger 404; a slide bar 405; threaded rod ii 406; bevel gear set 407; and a gear 408.
Detailed Description
This example can achieve the effect of facilitating the clamping of the negative plate after folding the separator, as shown in fig. 4-5.
Because lithium cell processing system includes mainboard 101 and folded plate 201, folded plate 201 rotates to be connected on mainboard 101, and the key-type connection has first rotating electrical machines between mainboard 101 and the folded plate 201, and the diaphragm is placed on mainboard 101, and then first rotating electrical machines can drive folded plate 201 around mainboard 101 rotatory, and then folded plate 201 upper surface and mainboard 101 contact behind folded plate 201 rotation 180 degrees, and then folded plate 201 can be with the diaphragm fifty percent discount, and then has placed the negative plate after the processing on the diaphragm, and then can be with the negative plate centre gripping in the middle after the diaphragm is folding, and then the realization is convenient for with the effect of centre gripping negative plate behind the diaphragm folding.
This example may achieve the effect of facilitating the bending-assisted folding of the diaphragm with the side panels 102, as shown in fig. 4-7.
Because lithium battery processing system still includes two curb plates 102, two spacing 103, pin 104, extension spring 205 and dog 206, two curb plates 102 rotate and connect in the mainboard 101 both sides, pin 104 welded connection is in two curb plates 102 below, dog 206 sliding connection is in folded plate 201 below, extension spring 205 welded connection is between folded plate 201 and dog 206, two spacing 103 welded connection respectively on corresponding curb plate 102, pin 104 lower surface contacts with dog 206 upper surface, and then folded plate 201 rotates, dog 206 drives pin 104 and two curb plates 102 together rotate, and then the diaphragm is placed between two spacing 103, and then two curb plates 102 drive the diaphragm crooked to 90 degrees, and then folded plate 201 continues to rotate, pin 104 promotes dog 206 upward movement, and then folded plate 201 separates with curb plate 102, and then when folded plate 201 resets, stop 104 promotes dog 206 upward movement, and then when pin 104 moves to normal position, extension spring 205 pulls down dog 206, make folded plate 201 and curb plate 102 connect again, and then realize being convenient for use of curb plate 102 to bend auxiliary folding effect.
As shown in fig. 4 to 9, this example can achieve the effect of making a negative electrode plate by coating a copper foil 307 with a negative electrode material.
Because lithium battery processing system still includes wheel carrier 301, action wheel 302, follow driving wheel 303, funnel 305 and copper foil 307, wheel carrier 301 screw connection is in the mainboard 101 side, action wheel 302 and follow driving wheel 303 rotation connection are on wheel carrier 301, the key connection has the output shaft of second rotating electrical machines on the action wheel 302, action wheel 302 and follow driving wheel 303 contact, copper foil 307 sets up between action wheel 302 and follow driving wheel 303, funnel 305 welded connection is in wheel carrier 301 top, be provided with the round bead on action wheel 302, funnel 305 below opening contacts with the bead of action wheel 302, and then be equipped with negative electrode material in funnel 305, and then negative electrode material can flow to the action wheel 302 surface from funnel 305 below opening, and then the rotation of second rotating electrical machines drive action wheel 302, and then the bead on the action wheel 302 drives the negative electrode material that flows together rotatory, and then coat negative electrode material on copper foil 307, and then action wheel 302 drive copper foil 307 forward movement, and then realize making negative electrode material coat on the copper foil 307.
As shown in fig. 8 to 9, this example can achieve an effect of facilitating contact of the copper foil 307 with the negative electrode material only on the upper surface.
Because lithium battery processing system still includes scraper 304 and spatula 306, scraper 304 screwed connection is in wheel carrier 301 below, and spatula 306 screwed connection is on funnel 305, and then scraper 304 and follow driving wheel 303 contact, can follow the follow driving wheel 303 and contact with copper foil 307 before, can scrape the sticky negative pole material on the driving wheel 303, and then spatula 306 contacts with the bead on the action wheel 302, can trowelling the negative pole material on the action wheel 302, prevents to smear inhomogeneous, and then is convenient for make copper foil 307 only have the effect of upper surface contact negative pole material.
This example can achieve the effect of facilitating cutting of the processed negative plate, as shown in fig. 4-5.
Because lithium cell system of processing still includes push rod 105, connecting rod 106, blade 107 and slide shaft 108, push rod 105 welded connection is on curb plate 102, slide shaft 108 welded connection is on mainboard 101, blade 107 sliding connection is on slide shaft 108, connecting rod 106 one end rotates to be connected on blade 107, the connecting rod 106 other end rotates to be connected on push rod 105, and then when curb plate 102 rotated, can drive push rod 105 and rotate together, and then push rod 105 drive connecting rod 106 and blade 107 slide along slide shaft 108, and then the negative plate of processing completion is placed in mainboard 101 top, and then blade 107 cuts the negative plate after processing, and then the realization is convenient for carry out the effect of cutting to the negative plate after processing.
As shown in fig. 4 to 11, this example can achieve the effect of removing the positive electrode plate group 403 inserted into the battery case 402.
Because lithium battery processing system still includes shell 401, battery case 402, positive plate group 403 and inserted link 404, shell 401 screw connection is in mainboard 101 below, battery case 402 sliding connection is provided with two recesses in shell 401 on the battery case 402, positive plate group 403 can slide in the recess of battery case 402, inserted link 404 sliding connection is in positive plate group 403 top, and then when positive plate group 403 slides in battery case 402, battery case 402 outwards promotes inserted link 404, and then positive plate group 403 breaks away from with inserted link 404, and then realizes the effect of taking off positive plate group 403 in the battery case 402 that will insert.
As shown in fig. 10 to 11, this example can achieve an effect of facilitating the downward movement of the positive electrode plate group 403.
Because lithium battery processing system still includes slide bar 405 and gear 408, slide bar 405 sliding connection is on shell frame 401, inserted bar 404 sliding connection is in slide bar 405, gear 408 rotates to be connected on shell frame 401, slide bar 405 end welding has the rack, the rack meshing transmission of gear 408 and slide bar 405 is connected, and then when gear 408 rotates, can drive the rack of slide bar 405 and move down, and then slide bar 405 drives inserted bar 404 and positive plate group 403 and together move down, and then the realization is convenient for drive positive plate group 403 effect of moving down.
As shown in fig. 6 to 11, this example can achieve the effect of pushing the separator sandwiching the negative electrode plate into the positive electrode plate group 403.
Because lithium cell system of processing still includes threaded rod I202 and two push pedal 203, threaded rod I202 rotates to be connected in folded plate 201, threaded connection has the slider on threaded rod I202, two push pedal 203 welded connection are in the slider both sides respectively, two push pedal 203 sliding connection are in folded plate 201, threaded rod I202 upper key is connected with the output shaft of third rotating electrical machines, and then third rotating electrical machines can drive threaded rod I202 and rotate, and then threaded rod I202 drive slider and two push pedal 203 move forward, and then after folded plate 201 is folded the diaphragm, and then two push pedal 203 are in folding diaphragm rear, and then push pedal 203 can push the diaphragm of centre gripping negative plate into positive plate group 403 in, and then realize the diaphragm of centre gripping negative plate pushes the effect of positive plate group 403.
This example achieves the effect of lowering the positive plate group 403 when the flap 201 is reset, as shown in fig. 6-10.
Because lithium battery system of processing still includes half screw thread piece 204, threaded rod II 406 and bevel gear group 407, threaded rod II 406 rotates to be connected on shell 401, half screw thread piece 204 welded connection is in the below of push pedal 203, bevel gear group 407 one end key is connected on threaded rod II 406, bevel gear group 407 other end key is connected with the pivot, the pivot other end key is connected on gear 408, half screw thread piece 204 and threaded rod II 406 threaded connection, and then half screw thread piece 204 and threaded rod II 406 separation when folded plate 201 rotates, and then reset folded plate 201 after, half screw thread piece 204 and threaded rod II 406 can threaded connection, and then third rotating electrical machines drive push pedal 203 and half screw thread piece 204 together inwards slide, and then half screw thread piece 204 slides to threaded rod II 406 department when, and then can drive threaded rod II rotation, and then threaded rod II drives bevel gear group 407 and pivot together to rotate, and then the pivot drives gear 408 and then gear 408 drives slide bar 405 and positive plate group 403 together to move down, and then drive the effect that positive plate group 403 descends when realizing reset folded plate 201 and push pedal 203.
A method for processing a lithium battery in a lithium battery processing system, the method comprising the steps of:
s1: placing a copper foil 307 between the driving wheel 302 and the driven wheel 303, and coating a negative electrode material on the copper foil 307 to prepare a negative electrode plate;
s2: rotating the side plate 102 and the folded plate 201, and cutting the processed negative plate;
s3: continuing to rotate the folded plate 201, and clamping the negative plate after the diaphragm is folded;
s4: the driving push plate 203 pushes the separator holding the negative plate into the positive plate group 403;
s5: reset flap 201 and push plate 203 and drive positive plate group 403 down.
Claims (10)
1. A lithium battery processing system, characterized in that: the folding plate (201) is rotationally connected to the main plate (101), and a first rotating motor is connected between the main plate (101) and the folding plate (201) in a key mode.
2. The lithium battery processing system according to claim 1, wherein: still include two curb plates (102), two spacing (103), pin (104), extension spring (205) and dog (206), two curb plates (102) rotate and connect in mainboard (101) both sides, pin (104) welded connection is in two curb plates (102) below, dog (206) sliding connection is in folded plate (201) below, extension spring (205) welded connection is between folded plate (201) and dog (206), two spacing (103) welded connection are on corresponding curb plate (102) respectively, pin (104) lower surface and dog (206) upper surface contact.
3. A lithium battery processing system according to claim 2, wherein: still include wheel carrier (301), action wheel (302), follow driving wheel (303), funnel (305) and copper foil (307), wheel carrier (301) screw connection is in mainboard (101) side, action wheel (302) and follow driving wheel (303) rotate and connect on wheel carrier (301), the key is connected with the output shaft of second rotating electrical machines on action wheel (302), action wheel (302) and follow driving wheel (303) contact, copper foil (307) set up between action wheel (302) and follow driving wheel (303), funnel (305) welded connection is in wheel carrier (301) top, be provided with round bead on action wheel (302), opening and the bead of action wheel (302) below funnel (305) contact.
4. A lithium battery processing system according to claim 3, wherein: still include scraper (304) and spatula (306), scraper (304) screw connection is in wheel carrier (301) below, and spatula (306) screw connection is on funnel (305).
5. The lithium battery processing system according to claim 4, wherein: still include push rod (105), connecting rod (106), blade (107) and slide (108), push rod (105) welded connection is on curb plate (102), and slide (108) welded connection is on mainboard (101), and blade (107) sliding connection is on slide (108), and connecting rod (106) one end rotates to be connected on blade (107), and connecting rod (106) other end rotates to be connected on push rod (105).
6. The lithium battery processing system according to claim 5, wherein: still include shell (401), battery case (402), positive plate group (403) and inserted bar (404), shell (401) screw connection is in mainboard (101) below, battery case (402) sliding connection is in shell (401), is provided with two recesses on battery case (402), and positive plate group (403) can slide in the recess of battery case (402), and inserted bar (404) sliding connection is in positive plate group (403) top.
7. The lithium battery processing system according to claim 6, wherein: the novel multifunctional electric rice cooker further comprises a sliding rod (405) and a gear (408), wherein the sliding rod (405) is connected to the housing frame (401) in a sliding mode, the inserting rod (404) is connected to the sliding rod (405) in a sliding mode, the gear (408) is connected to the housing frame (401) in a rotating mode, the tail end of the sliding rod (405) is connected with a rack in a welding mode, and the gear (408) is connected with the rack of the sliding rod (405) in a meshed transmission mode.
8. The lithium battery processing system of claim 7, wherein: still include threaded rod I (202) and two push pedal (203), threaded rod I (202) rotate and connect in folded plate (201), threaded connection has the slider on threaded rod I (202), and two push pedal (203) welded connection are in the slider both sides respectively, and two push pedal (203) sliding connection are in folded plate (201), and threaded rod I (202) go up the output shaft that key-type connection has the third rotating electrical machines.
9. The lithium battery processing system of claim 8, wherein: still include half screw thread piece (204), threaded rod II (406) and bevel gear group (407), threaded rod II (406) rotate and connect on shell frame (401), half screw thread piece (204) welded connection is in the below of push pedal (203), and bevel gear group (407) one end key-connection is on threaded rod II (406), and bevel gear group (407) other end key-connection has the pivot, and pivot other end key-connection is on gear (408), half screw thread piece (204) and threaded rod II (406) threaded connection.
10. The method for processing a lithium battery according to claim 9, comprising the steps of:
s1: placing a copper foil (307) between the driving wheel (302) and the driven wheel (303), and coating a negative electrode material on the copper foil (307) to prepare a negative electrode plate;
s2: rotating the side plates (102) and the folded plates (201) and cutting the processed negative plate;
s3: continuing to rotate the folded plate (201), and clamping the negative plate after the diaphragm is folded;
s4: the driving push plate (203) pushes the membrane which clamps the negative plate into the positive plate group (403);
s5: a reset folded plate (201) and a push plate (203) and drives the positive plate group (403) to descend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311423767.0A CN117293403A (en) | 2023-10-31 | 2023-10-31 | Lithium battery processing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311423767.0A CN117293403A (en) | 2023-10-31 | 2023-10-31 | Lithium battery processing system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117293403A true CN117293403A (en) | 2023-12-26 |
Family
ID=89239153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311423767.0A Pending CN117293403A (en) | 2023-10-31 | 2023-10-31 | Lithium battery processing system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117293403A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119181926A (en) * | 2024-09-18 | 2024-12-24 | 河南惠强新能源材料科技股份有限公司 | Lithium battery diaphragm extension device |
-
2023
- 2023-10-31 CN CN202311423767.0A patent/CN117293403A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119181926A (en) * | 2024-09-18 | 2024-12-24 | 河南惠强新能源材料科技股份有限公司 | Lithium battery diaphragm extension device |
| CN119181926B (en) * | 2024-09-18 | 2025-09-16 | 河南惠强新能源材料科技股份有限公司 | Lithium battery diaphragm extension device |
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