CN109449366B - Positive electrode material preparation device of small-size test battery - Google Patents
Positive electrode material preparation device of small-size test battery Download PDFInfo
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- CN109449366B CN109449366B CN201811156326.8A CN201811156326A CN109449366B CN 109449366 B CN109449366 B CN 109449366B CN 201811156326 A CN201811156326 A CN 201811156326A CN 109449366 B CN109449366 B CN 109449366B
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- moving frame
- box body
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- partition plate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
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- 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 invention is suitable for the technical field of lithium ion battery testing, and provides a device for preparing a positive electrode material of a small-sized test battery, which can be used for sequentially dripping slurry on an aluminum foil under the atmosphere of protective gas after an operation table is started, compacting and drying the slurry to obtain the positive electrode material for manufacturing the small-sized lithium ion test battery, and the driving device drives a rectangular moving frame with a slurry dripping device to automatically reciprocate to sequentially and quantitatively drip the slurry on the aluminum foil in each circular hole, so that a plurality of identical positive electrode material wafers are automatically manufactured at one time.
Description
Technical Field
The invention belongs to the technical field of lithium ion battery testing, and particularly relates to a device for preparing a positive electrode material of a small-sized testing battery.
Background
Generally, a method for testing the internal resistance of the battery includes an Alternating Current (AC) test method and a Direct Current (DC) test method, and the DC internal resistance test is further classified into a DCR method, an MCCF method and an HPPC method. Finished batteries adopted by general battery enterprises are tested, a positive material factory rarely has finished battery detection, even if finished battery detection exists, the finished battery manufacturing period is long, manual manufacturing is easy to have differences, and a device and a method capable of manufacturing high-quality test battery positive materials in batches are lacked.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an apparatus for preparing a positive electrode material for a small test cell, which is intended to solve the technical problems of low efficiency and easy variation in manual operation of the conventional positive electrode material for a small test cell.
The technical scheme of the invention is as follows:
a preparation device of a positive electrode material of a small-sized test battery comprises a box body and a box cover, wherein the box body and the box cover are connected through a rotating shaft on the back, an operation table is arranged on the front surface of the box body, a partition plate is arranged in the box body, a plurality of round holes which are identical in size, arranged in a grid manner and have a certain depth are formed in the partition plate, an aluminum foil is placed in each round hole, a heat conducting sheet is arranged below the partition plate, a heating device is arranged below the heat conducting sheet, a rectangular moving frame with a notch in the upper section is further arranged in the box body, the partition plate, the heat conducting sheet and the heating device are arranged in the rectangular moving frame, a guide rail is arranged at the notch in the upper section of the rectangular moving frame, a slurry dripping box is arranged on the guide rail, a left dripping port and a right dripping port are symmetrically arranged at the bottom of the slurry dripping box, a push-pull switch door is arranged at, the operating platform comprises a display screen, operating buttons and a built-in circuit module, the built-in circuit module is connected with the driving device, a channel corresponding to a motion path of the rectangular moving frame is arranged in the box body, infrared transmitters are arranged at the left end and the right end of a lower cross rod of the rectangular moving frame, two rows of infrared receiving modules are oppositely arranged on the left inner side wall and the right inner side wall of the box body, each infrared receiving module and the lower cross rod of the rectangular moving frame are positioned on the same horizontal plane and correspond to the center of each row of round holes, a protective air port is arranged on the left side wall of the box body and is not lower than the height of the partition plate, an air outlet is arranged at the bottom of the right side wall of the box body, the protective air port, the part above the partition plate and the air outlet are positioned in the same space, a push box is arranged at the top, the bottom surface of the extrusion plate is downwards provided with a plurality of cylindrical protrusions, and the positions of the cylindrical protrusions correspond to the round holes of the partition plate and are matched with the diameters of the round holes.
Specifically, both ends are provided with the removal wheel about rectangle moving frame's sheer pole, and the centre is provided with a slider, infra-red transmitter is fixed remove the axle center outside of wheel, drive arrangement installs a level setting and perpendicular to between two fixed plates the screw rod of rectangle moving frame sheer pole and two upper and lower slide bars with screw rod parallel arrangement, the slider passes screw rod and two slide bars.
Specifically, a sealing rubber ring and a locking device are arranged between the box cover and the box body.
Specifically, a thermometer is further arranged in the box body, the built-in circuit module further comprises a temperature module, and the thermometer is connected with the temperature module.
Specifically, the surface of the heat conducting fin corresponding to the position of the round hole protrudes upwards and is embedded into the round hole, and the protruding height is smaller than the depth of the round hole.
The invention has the beneficial effects that: according to the device for preparing the anode material of the small-sized test battery, provided by the invention, the operation table can be started, and then slurry is sequentially dripped on the aluminum foil under the protective gas atmosphere, and is compacted and dried to obtain the anode material for manufacturing the small-sized lithium ion test battery, the rectangular moving frame with the slurry dripping device is driven by the driving device to automatically reciprocate, so that the slurry is sequentially and quantitatively dripped on the aluminum foil in each round hole, the manufacture of a plurality of identical anode material wafers is automatically completed at one time, the contrast is high, the uncertainty difference existing in manual preparation of a plurality of samples is avoided, manual operation is not needed for multiple transfers in different drying air blasts, glove boxes and flasks, and the manufacturing efficiency of the test battery is greatly improved.
Drawings
Fig. 1 is a left sectional view illustrating a structure of a positive electrode material preparing apparatus for a small test cell according to an embodiment of the present invention;
fig. 2 is a top view of an apparatus for preparing a positive electrode material of a small test cell according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and fig. 2, a device for preparing a positive electrode material of a small test battery comprises a box body 1 and a box cover 2, wherein the back surface of the box body 1 is connected with a rotating shaft, the front surface of the box body 1 is provided with an operation table 3, a partition plate 4 is arranged in the box body 1, a plurality of round holes 5 which have the same size, are arranged in a grid shape and have a certain depth are arranged on the partition plate 4, a piece of aluminum foil is arranged in each round hole 5, a heat conducting sheet 6 is arranged below the partition plate 4, a heating device 7 is arranged below the heat conducting sheet 6, a rectangular moving frame 8 with a gap at the upper section is further arranged in the box body 1, the partition plate 4, the heat conducting sheet 6 and the heating device 7 are positioned in the rectangular moving frame 8, a guide rail 9 is arranged at the gap at the upper section of the rectangular moving frame 8, a slurry dripping box 10 is arranged on the guide rail 9, the top is a sliding switch door 12, a driving device 13 for driving the rectangular moving frame 8 to move from the front side to the rear side of the box 1 is arranged in the box 1, the operating table 3 comprises a display screen 31, an operating button 32 and a built-in circuit module, the built-in circuit module is connected with the driving device 13, a channel 81 corresponding to the moving path of the rectangular moving frame 8 is arranged in the box 1, infrared emitters 14 are arranged at the left and right ends of a lower cross bar of the rectangular moving frame 8, two rows of infrared receiving modules 15 are oppositely arranged on the left and right inner side walls of the box 1, each infrared receiving module and the lower cross bar of the rectangular moving frame 8 are positioned on the same horizontal plane and correspond to the center of each row of round holes, a protective air port 16 is arranged on the left side wall of the box 1 and not lower than the height of the partition plate 4, and an air outlet 17 is arranged at the bottom of, protection gas port 16, 4 top parts of baffle and gas outlet 17 are located same space, 2 inboard tops of case lid are provided with and promote case 18, it has multirow actuating lever 19 to promote in the case 18, and an stripper plate 20 is established altogether to all actuating lever 19's end, a plurality of cylinder archs 21 are formed downwards to stripper plate 20's bottom surface, the position of cylinder arch 21 corresponds and the diameter matches with 4 each round hole 5 of baffle.
Opening the box cover, placing aluminum foils with the same size in each round hole, initially positioning the rectangular moving frame at the leftmost end or the rightmost end of the box body, opening a switch door on the slurry dripping box, placing the prepared slurry into the slurry dripping box, closing the switch door, covering the box cover, starting an operation table, introducing protective gas from a protective gas port, controlling the rectangular moving frame to start moving from the front side to the rear side of the box body one by one after a period of time, transmitting infrared signals by an infrared transmitter on a lower cross rod of the rectangular moving frame during the moving process, receiving the infrared signals by infrared receiving modules on two sides of the inner wall of the box body, automatically controlling the rectangular moving frame to stop when receiving the infrared signals, enabling the slurry dripping device to move linearly along a guide rail from one end to the other end, wherein 4 rows of round holes are distributed on the partition plate at equal intervals, and the interval between adjacent round holes is the interval of the slurry dripping ports of the slurry dripping box, when the slurry dripping box is positioned at one end of the guide rail, two dripping ports are just aligned to two round holes, when the slurry dripping box moves to the other end of the guide rail, the two dripping ports are just aligned to the other two round holes, two-two dripping of the round holes aligned below the dripping ports is realized, the two sides of the guide rail also play a role of limiting and renting, the process is repeated, when the other side of the rectangular moving frame moves, the slurry dripping work of all round holes of the whole partition plate is completed, at the moment, the pushing box of the box cover is started through the operating platform, the driving rod drives the extrusion plate to move downwards, the bulge part of the extrusion plate is just aligned to each round hole, the slurry on the aluminum foil is compacted, the hydraulic cylinder withdraws the extrusion plate after the compaction, meanwhile, the heating device is started through the operating platform, the heating device performs uniform drying operation on the aluminum foil through the heat, and finally, opening the box cover, and taking out the manufactured anode material. The manufacturing method has the advantages that the manufacturing of the anode materials for a batch of small test batteries is completed at one time, the operation is simple, the efficiency is high, manual operation is not needed to be carried out for multiple times in different devices such as drying air blasting devices, glove boxes and flasks, and the problem that the performance of the manufactured test batteries cannot be the same within a certain error range due to the fact that the dropwise adding slurry amount or the compaction force degree are not consistent probably caused when the anode materials are manufactured manually for multiple times is solved.
As a specific structure of the device for preparing the anode material of the small test battery, as shown in fig. 1, the left and right ends of the lower cross bar of the rectangular moving frame are provided with moving wheels 22, the middle of the lower cross bar is provided with a sliding block 23, the infrared emitter 14 is fixed outside the axis of the moving wheels 22, the driving device 13 includes a front fixing plate 131 and a rear fixing plate 131, a screw 132 horizontally arranged and perpendicular to the lower cross bar of the rectangular moving frame and an upper sliding rod 133 and a lower sliding rod 133 parallel to the screw 132 are installed between the two fixing plates, and the sliding block 23 passes through the screw 132 and the two sliding rods 133. The movable wheel is arranged, so that the axis connecting line path is stable and is not easy to deviate, and the circuit module can be arranged to add other modules, so that the whole device can flexibly have more abundant functions.
As a preferred structure of the apparatus for preparing a positive electrode material of a small test battery, as shown in fig. 1, a sealing rubber ring and a locking device 24 are disposed between the case cover 2 and the case body 1. The sealing rubber ring and the locking device are favorable for heat preservation in the box body and operation stability of the device. The box body is also internally provided with a thermometer 25, the built-in circuit module further comprises a temperature module, and the thermometer 25 is connected with the temperature module. Set up the thermometer, the temperature range when guaranteeing the stoving aluminium foil, the air current velocity of flow of the protection gas of cooperation expert simultaneously can reduce the stoving time. The surface of the heat conducting fin 6 corresponding to the position of the round hole 5 is upwards raised and embedded into the round hole 5, and the height of the raised part is smaller than the depth of the round hole 5. The heat-conducting fin is arranged to correspond to the shape of the circular hole in a protruding mode, the protruding portion is embedded into the circular hole of the partition plate, the close contact between the heat-conducting fin and the aluminum foil can be guaranteed, and heating efficiency is high.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The device for preparing the anode material of the small-sized test battery is characterized by comprising a box body and a box cover which are connected through a rotating shaft on the back, wherein an operation table is arranged on the front surface of the box body, a partition plate is arranged in the box body, a plurality of round holes which are the same in size, are arranged in a grid mode and have a certain depth are formed in the partition plate, an aluminum foil is placed in each round hole, a heat conducting sheet is arranged below the partition plate, a heating device is arranged below the heat conducting sheet, a rectangular moving frame with a notch in the upper section is further arranged in the box body, the partition plate, the heat conducting sheet and the heating device are located in the rectangular moving frame, a guide rail is arranged at the notch in the upper section of the rectangular moving frame, a slurry dripping box is arranged on the guide rail, a left dripping port and a right dripping port are symmetrically arranged at the bottom of the slurry dripping box, a push-pull switch door is arranged at the top of the slurry dripping box The operating platform comprises a display screen, operating buttons and a built-in circuit module, the built-in circuit module is connected with the driving device, a channel corresponding to the motion path of the rectangular moving frame is arranged in the box body, infrared transmitters are arranged at the left end and the right end of a lower cross rod of the rectangular moving frame, two rows of infrared receiving modules are oppositely arranged on the left inner side wall and the right inner side wall of the box body, each infrared receiving module and the lower cross rod of the rectangular moving frame are positioned on the same horizontal plane and correspond to the center of each row of round holes, a protective air port is arranged on the left side wall of the box body and is not lower than the height of the partition plate, an air outlet is arranged at the bottom of the right side wall of the box body, the protective air port, the upper part of the partition plate and the air outlet are positioned in the same space, a pushing box is arranged at the top, the bottom surface of the extrusion plate is downwards provided with a plurality of cylindrical protrusions, and the positions of the cylindrical protrusions correspond to the round holes of the partition plate and are matched with the diameters of the round holes.
2. The apparatus according to claim 1, wherein the rectangular moving frame has moving wheels at left and right ends, a sliding block is disposed in the middle, the infrared emitter is fixed outside the axis of the moving wheels, the driving device comprises a front fixing plate and a rear fixing plate, a screw rod horizontally disposed and perpendicular to the rectangular moving frame is installed between the front fixing plate and the rear fixing plate, and an upper sliding rod and a lower sliding rod are parallel to the screw rod, and the sliding block passes through the screw rod and the two sliding rods.
3. The apparatus according to claim 2, wherein a sealing rubber ring and a locking device are disposed between the case cover and the case body.
4. The apparatus for preparing a positive electrode material of a small test cell according to claim 2, wherein a thermometer is further disposed in the case, and the built-in circuit module further includes a temperature module, and the thermometer is connected to the temperature module.
5. The apparatus according to any one of claims 1 to 4, wherein the surface of the heat conductive sheet corresponding to the position of the circular hole is protruded upward and fitted into the circular hole, and the height of the protrusion is smaller than the depth of the circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811156326.8A CN109449366B (en) | 2018-09-29 | 2018-09-29 | Positive electrode material preparation device of small-size test battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811156326.8A CN109449366B (en) | 2018-09-29 | 2018-09-29 | Positive electrode material preparation device of small-size test battery |
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| Publication Number | Publication Date |
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| CN109449366A CN109449366A (en) | 2019-03-08 |
| CN109449366B true CN109449366B (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811156326.8A Active CN109449366B (en) | 2018-09-29 | 2018-09-29 | Positive electrode material preparation device of small-size test battery |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123962A (en) * | 2012-12-12 | 2013-05-29 | 上海电气钠硫储能技术有限公司 | Pressing device of positive electrode prefabricated sulfur for sodium-sulfur battery |
| CN104138828A (en) * | 2013-05-10 | 2014-11-12 | 杨洪钧 | Electrode plate/battery cell dewatering and drying method and equipment |
| CN105609742A (en) * | 2016-03-04 | 2016-05-25 | 河北工业大学 | Positive electrode material for sulfur-based lithium ion battery and preparation method and application of positive electrode material |
| CN106111396A (en) * | 2016-07-11 | 2016-11-16 | 佛山市中技烯米新材料有限公司 | A kind of Graphene coated aluminum foil apparatus for coating |
| CN206823229U (en) * | 2017-06-02 | 2018-01-02 | 中纺协（北京）检验技术服务有限公司 | Liquid feeding for textile inspection vibrates integrated apparatus |
-
2018
- 2018-09-29 CN CN201811156326.8A patent/CN109449366B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123962A (en) * | 2012-12-12 | 2013-05-29 | 上海电气钠硫储能技术有限公司 | Pressing device of positive electrode prefabricated sulfur for sodium-sulfur battery |
| CN104138828A (en) * | 2013-05-10 | 2014-11-12 | 杨洪钧 | Electrode plate/battery cell dewatering and drying method and equipment |
| CN105609742A (en) * | 2016-03-04 | 2016-05-25 | 河北工业大学 | Positive electrode material for sulfur-based lithium ion battery and preparation method and application of positive electrode material |
| CN106111396A (en) * | 2016-07-11 | 2016-11-16 | 佛山市中技烯米新材料有限公司 | A kind of Graphene coated aluminum foil apparatus for coating |
| CN206823229U (en) * | 2017-06-02 | 2018-01-02 | 中纺协（北京）检验技术服务有限公司 | Liquid feeding for textile inspection vibrates integrated apparatus |
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| CN109449366A (en) | 2019-03-08 |
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