CN220472283U - High-temperature sintering device for graphite cathode material for lithium ion battery - Google Patents
High-temperature sintering device for graphite cathode material for lithium ion battery Download PDFInfo
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- CN220472283U CN220472283U CN202320728715.3U CN202320728715U CN220472283U CN 220472283 U CN220472283 U CN 220472283U CN 202320728715 U CN202320728715 U CN 202320728715U CN 220472283 U CN220472283 U CN 220472283U
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- furnace body
- lithium ion
- temperature sintering
- sintering device
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 35
- 239000010439 graphite Substances 0.000 title claims abstract description 35
- 238000005245 sintering Methods 0.000 title claims abstract description 32
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 25
- 239000010406 cathode material Substances 0.000 title claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 36
- 238000007599 discharging Methods 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 27
- 239000010405 anode material Substances 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 21
- 239000000498 cooling water Substances 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 10
- 239000012774 insulation material Substances 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 238000005086 pumping Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a graphite cathode material high-temperature sintering device for a lithium ion battery, which comprises the following components: the furnace comprises a base, wherein a support frame is arranged on the upper surface of the base and used for supporting a furnace body arranged on the support frame, and a furnace wall of the furnace body is filled with a heat-insulating material; the feeding and discharging structure is arranged on the furnace body and is used for feeding graphite anode materials into the furnace body and feeding processed materials out of the furnace body; the stirring structure is arranged on the upper surface of the furnace body and is used for stirring materials; the utility model relates to the field of high-temperature sintering of graphite cathode materials, in particular to a turnover structure which is arranged on the upper surface of a furnace body and is used for turnover of materials.
Description
Technical Field
The utility model relates to the field of high-temperature sintering of graphite cathode materials, in particular to a high-temperature sintering device of a graphite cathode material for a lithium ion battery.
Background
Graphite has high temperature resistance, good electric conductivity and thermal conductivity and stable chemical property, so that the graphite is widely applied to industry. The roasting is a heat treatment process of heating the graphite cathode material at a certain heating rate under the conditions of air isolation and medium protection. The baked graphite cathode material has stable mechanical strength, can obviously improve the heat conductivity, the electric conductivity and the high temperature resistance, and the sintering process is a complex process accompanied by a plurality of chemical changes. The sintering furnace is a thermal device for performing sintering heat treatment on the molded carbon product.
In the prior art, the patent number is: ZL201420834085.9, patent name: in a "graphite anode material high temperature sintering device for lithium ion battery", mention is made of: the utility model discloses a graphite cathode material high-temperature sintering device for a lithium ion battery, which comprises a furnace body, a motor, a controller and a vacuum pumping device, wherein a furnace wall of the furnace body is filled with a heat insulation material, a stirring shaft is arranged in the middle of the upper end of the interior of the furnace body, the motor is connected with the upper end of the stirring shaft, three groups of heating devices are symmetrically arranged on the left side and the right side of the furnace body, three temperature sensors corresponding to the three groups of heating devices are arranged on the stirring shaft, the vacuum pumping device is arranged below the left side of the furnace body, the vacuum pumping device comprises a vacuum tube, a pneumatic high-vacuum baffle valve, a first corrugated tube shock absorber, a Roots vacuum pump, a second corrugated tube shock absorber and a rotary-vane vacuum pump, one end of the vacuum tube extends into the furnace body, and the pneumatic high-vacuum baffle valve, the Roots vacuum pump and the rotary-vane vacuum pump are sequentially arranged on the vacuum tube along the direction from air inlet to air outlet. The utility model has the advantages of simple structure, convenient use, good heat preservation effect, uniform heating, reduced vibration of the furnace body and high sintering quality. However, the heating is uniform only by stirring, and the materials on the edges are difficult to stir by the middle stirring structure due to gaps, so that the uniform heating is difficult to achieve, and secondly, the temperature cannot be effectively controlled within the effective value range, so that the product quality is affected.
Therefore, in order to solve the problem, it is necessary to design a high-temperature sintering device for graphite anode materials for lithium ion batteries.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a graphite cathode material high-temperature sintering device for a lithium ion battery, which solves the problems that the heating is uniform only by stirring, the materials on the edges are difficult to stir by a middle stirring structure because of gaps, the heating is difficult to uniform, and the temperature cannot be effectively controlled within an effective value range, so that the product quality is influenced.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: a graphite cathode material high-temperature sintering device for a lithium ion battery comprises:
the furnace comprises a base, wherein a support frame is arranged on the upper surface of the base and used for supporting a furnace body arranged on the support frame, and a furnace wall of the furnace body is filled with a heat-insulating material;
the feeding and discharging structure is arranged on the furnace body and is used for feeding graphite anode materials into the furnace body and feeding processed materials out of the furnace body;
the stirring structure is arranged on the upper surface of the furnace body and is used for stirring materials;
the turning structure is arranged on the upper surface of the furnace body and is used for turning materials;
the heating structure is arranged on the inner side surface of the furnace body and is used for heating materials in the furnace;
the vacuumizing structure is arranged on the support frame and is used for vacuumizing the furnace;
the temperature control structure is arranged on the inner side surface of the furnace body and is used for controlling the temperature;
and the cooling structure is arranged on the feeding and discharging structure and is used for cooling the processed material.
Preferably, the feeding and discharging structure comprises: the feeding assembly, the discharging assembly and the discharging valve;
the feeding assembly is arranged at the edge of the upper surface of the furnace body, the discharging assembly is arranged at the lower end of the side surface of the furnace body, and the discharging valve is arranged on the discharging assembly.
Preferably, the stirring structure includes: a pair of first fixing frames, a pair of first rotating motors, a rotating rod and a plurality of stirring rods;
the pair of first fixing frames are arranged on the furnace body, each first rotating motor is arranged on the corresponding first fixing frame, the rotating rod is arranged on the rotating end of the pair of first rotating motors, the rotating rod is positioned in the furnace body, and a plurality of stirring rods are arranged on the side surface of the rotating rod.
Preferably, the flipping structure comprises: two pairs of second fixing frames, two pairs of first electric control telescopic rods and a pair of turning plates;
the two pairs of second fixing frames are arranged on the upper surface of the furnace body, each first electric control telescopic rod is arranged on the corresponding second fixing frame, each turning plate is arranged on the corresponding pair of telescopic ends of the first electric control telescopic rods, and the turning plate is positioned in the furnace body.
Preferably, the heating structure includes: two pairs of annular fixing frames and two pairs of annular heaters;
the two pairs of annular fixing frames are arranged on the inner side surface of the furnace body, and each annular heater is arranged on the corresponding annular fixing frame.
Preferably, the vacuum pumping structure comprises: the device comprises a supporting plate, a pneumatic high-vacuum baffle valve, a vacuum tube and a Roots vacuum pump;
the support plate is arranged at the edge of the upper surface of the support frame, the Roots vacuum pump is arranged on the support plate, the vacuum tube is arranged on the Roots vacuum pump, the vacuum tube is communicated with the inside of the furnace body, and the pneumatic high-vacuum baffle valve is arranged on the vacuum tube.
Preferably, the temperature control structure includes: a cooling part and a monitoring part;
the cooling part is arranged on the inner side surface of the furnace body, and the monitoring part is arranged in the furnace body.
Preferably, the cooling part includes: a plurality of cooling water pipes and connectors matched with the cooling water pipes;
the cooling water pipes are arranged on the inner side surface of the furnace body, each pair of connectors are arranged on the corresponding cooling water pipe, and the connectors are positioned outside the furnace body;
the monitoring section includes: three fixed support frames and three temperature detectors;
the three fixed support frames are arranged on the inner side surface of the furnace body, and each temperature detector is arranged on the corresponding fixed support frame.
Preferably, the cooling structure includes: a cooler;
the cooler is arranged on the discharging component and is positioned at the rear end of the discharging valve.
Preferably, the base is provided with a controller, and the base is provided with a mains supply interface.
Advantageous effects
The utility model provides a high-temperature sintering device for a graphite anode material for a lithium ion battery. The beneficial effects are as follows: this graphite negative pole material high temperature sintering device for lithium ion battery can be better carry out high temperature sintering, and is very convenient, has reduced unnecessary trouble, cooperates through stirring structure and stirring structure to the heating is more even, through the control stove internal temperature that cooling portion and monitoring portion can be better, thereby guarantees product quality, and the structure is simple relatively, convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of a graphite negative electrode material high-temperature sintering device for a lithium ion battery.
Fig. 2 is a front view of a structure diagram of a graphite negative electrode material high-temperature sintering device for a lithium ion battery according to the present utility model.
Fig. 3 is a front view of a high-temperature sintering device for a graphite anode material for a lithium ion battery according to the present utility model.
Fig. 4 is a top view of a graphite negative electrode material high-temperature sintering device for a lithium ion battery according to the present utility model.
In the figure:
the device comprises a base 10, a support frame 20, a furnace body 30, a heat insulation material 40, a feeding and discharging structure 50, a stirring structure 60, a turning structure 70, a heating structure 80, a vacuumizing structure 90, a temperature control structure 100, a cooling structure 110, a controller 120 and a mains supply interface 130;
a feeding component 51, a discharging component 52 and a discharging valve 53;
a first fixing frame 61, a first rotary motor 62, a rotary rod 63 and a stirring rod 64;
the second fixing frame 71, the first electric control telescopic rod 72 and the turning plate 73;
a fixing frame 81 and an annular heater 82;
a support plate 91, a pneumatic high vacuum flapper valve 92, a vacuum tube 93, and a Roots vacuum pump 94;
the cooling water pipe 101, the connector 102, the fixed support 103 and the temperature detector 104;
a cooler 111.
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. 1-4, the present utility model provides a technical solution: the support frame 20 of the upper surface of the base 10 is used for supporting the furnace body 30 arranged on the support frame 20, the heat insulation material 40 filled in the furnace wall of the furnace body 30 is used for heat insulation, the feeding and discharging structure 50 on the furnace body 30 is used for feeding graphite cathode materials into the furnace body 30 and feeding processed materials out of the furnace body 30, the stirring structure 60 on the upper surface of the furnace body 30 is used for stirring the materials, the stirring structure 70 on the upper surface of the furnace body 30 is used for stirring the materials, the heating structure 80 on the inner side surface of the furnace body 30 is used for heating the materials in the furnace, the vacuumizing structure 90 on the support frame 20 is used for vacuumizing the furnace, the temperature control structure 100 on the inner side surface of the furnace body 30 is used for controlling the temperature, and the cooling structure 110 on the feeding and discharging structure 50 is used for cooling the processed materials.
Preferably, the feeding and discharging structure 50 includes: a feed assembly 51, a discharge assembly 52, and a discharge valve 53; the feeding component 51 is arranged at the edge of the upper surface of the furnace body 30, the discharging component 52 is arranged at the lower end of the side surface of the furnace body 30, and the discharging valve 53 is arranged on the discharging component 52.
The material is fed into the furnace body 30 by the feeding component 51, and the processed material in the furnace body 30 is discharged out of the furnace body 30 by the discharging component 52 by opening the discharging valve 53
Preferably, the stirring structure 60 includes: a pair of first holders 61, a pair of first rotating motors 62, a rotating lever 63, and a plurality of stirring levers 64; a pair of first fixing frames 61 are mounted on the furnace body 30, each first rotating motor 62 is mounted on the corresponding first fixing frame 61, a rotating rod 63 is mounted on the rotating ends of the pair of first rotating motors 62, the rotating rod 63 is located in the furnace body, and a plurality of stirring rods 64 are mounted on the side surfaces of the rotating rod 63.
The first rotating motor 62 on the first fixing frame 61 is controlled by the controller 120 to start, and the first rotating motor 62 on the first fixing frame 61 drives the stirring rod 64 on the rotating rod 63 to stir.
Preferably, the flip structure 70 includes: two pairs of second fixing frames 71, two pairs of first electric control telescopic rods 72 and a pair of turning plates 73; two pairs of second fixing frames 71 are arranged on the upper surface of the furnace body 30, each first electric control telescopic rod 72 is arranged on the corresponding second fixing frame 71, each turning plate 73 is arranged on the telescopic ends of the corresponding pair of first electric control telescopic rods 72, and the turning plates 73 are positioned in the furnace body 30.
The first electric control telescopic rod 72 on the second fixing frame 71 is controlled by the controller 120, and the first electric control telescopic rod 72 on the second fixing frame 71 drives the turning plate 73 to be matched with the stirring rod 64 on the rotating rod 63 to uniformly heat the material in the furnace body 30.
Preferably, the heating structure 80 includes: two pairs of ring-shaped holders 81 and two pairs of ring-shaped heaters 82; two pairs of annular fixing frames 81 are mounted on the inner side surface of the furnace body 30, and each annular heater 82 is mounted on the corresponding annular fixing frame 81.
The material of the furnace body 30 is heated by an annular heater 82 on a fixing frame 81.
Preferably, the evacuation structure 90 includes: a support plate 91, a pneumatic high vacuum flapper valve 92, a vacuum tube 93, and a Roots vacuum pump 94; the backup pad 91 is installed in support frame 20 upper surface edge department, and roots vacuum pump 94 installs on backup pad 91, and vacuum tube 93 installs on roots vacuum pump 94, and vacuum tube 93 is linked together with furnace body 30 inside, and pneumatic high vacuum baffle valve 92 installs on vacuum tube 93.
Vacuum is pulled through Roots vacuum pump 94 and vacuum tube 93, and pneumatic high vacuum flapper valve 92 on vacuum tube 93 prevents back flow.
Preferably, the temperature control structure 100 includes: a cooling part and a monitoring part; the cooling part is arranged on the inner side surface of the furnace body 30, and the monitoring part is arranged in the furnace body 30.
Preferably, the cooling portion includes: a plurality of cooling water pipes 101 and connectors 102 matched with the plurality of cooling water pipes 101; the cooling water pipes 101 are arranged on the inner side surface of the furnace body 30, each pair of connectors 102 are arranged on the corresponding cooling water pipe 101, and the connectors 102 are positioned outside the furnace body 30; the monitoring section includes: three fixed support frames 103 and three temperature detectors 104; three fixed support frames 103 are installed on the inner side surface of the furnace body 30, and each temperature detector 104 is installed on the corresponding fixed support frame 103.
The temperature detector 104 on the fixed support 103 detects the temperature in the furnace, when the temperature is too low, the annular heater 82 on the fixed frame 81 is used for heating, and when the temperature is too high, the temperature is reduced through the temperature reducing water pipe 101, so that the temperature is kept within a reasonable temperature range.
Preferably, the cooling structure 110 includes: a cooler 111; the cooler 111 is mounted on the discharge assembly 52, and the cooler 111 is located at the rear end of the discharge valve 53.
The cooler 111 on the outfeed assembly 52 is used to cool the processed material.
Preferably, the base 10 is provided with a controller 120, and the base 10 is provided with a mains interface 130.
The controller 120 on the base 10 is used for control and the mains interface 130 on the base 10 is used for power supply.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a graphite negative pole material high temperature sintering device for lithium ion battery which characterized in that includes:
the furnace comprises a base (10), wherein a support frame (20) is arranged on the upper surface of the base (10), the support frame (20) is used for supporting a furnace body (30) arranged on the support frame (20), and a heat insulation material (40) is filled in the furnace wall of the furnace body (30);
the feeding and discharging structure (50) is arranged on the furnace body (30), and the feeding and discharging structure (50) is used for feeding graphite anode materials into the furnace body (30) and feeding processed materials out of the furnace body (30);
the stirring structure (60) is arranged on the upper surface of the furnace body (30), and the stirring structure (60) is used for stirring materials;
the turning structure (70), the turning structure (70) is installed on the upper surface of the furnace body (30), and the turning structure (70) is used for turning materials;
the heating structure (80) is arranged on the inner side surface of the furnace body (30), and the heating structure (80) is used for heating materials in the furnace;
the vacuumizing structure (90), the vacuumizing structure (90) is arranged on the supporting frame (20), and the vacuumizing structure (90) is used for vacuumizing the furnace;
the temperature control structure (100), the temperature control structure (100) is arranged on the inner side surface of the furnace body (30), and the temperature control structure (100) is used for controlling the temperature;
and the cooling structure (110) is arranged on the feeding and discharging structure (50), and the cooling structure (110) is used for cooling the processed material.
2. The graphite anode material high-temperature sintering device for lithium ion batteries according to claim 1, wherein the feeding and discharging structure (50) comprises: a feed assembly (51), a discharge assembly (52) and a discharge valve (53);
the feeding assembly (51) is arranged at the edge of the upper surface of the furnace body (30), the discharging assembly (52) is arranged at the lower end of the side surface of the furnace body (30), and the discharging valve (53) is arranged on the discharging assembly (52).
3. The graphite anode material high-temperature sintering device for lithium ion batteries according to claim 1, wherein the stirring structure (60) comprises: a pair of first fixing frames (61), a pair of first rotating motors (62), a rotating rod (63) and a plurality of stirring rods (64);
the pair of first fixing frames (61) are arranged on the furnace body (30), each first rotating motor (62) is arranged on the corresponding first fixing frame (61), the rotating rod (63) is arranged on the rotating ends of the pair of first rotating motors (62), the rotating rod (63) is positioned in the furnace body, and a plurality of stirring rods (64) are arranged on the side surfaces of the rotating rod (63).
4. The graphite anode material high-temperature sintering device for lithium ion batteries according to claim 1, wherein said flipping structure (70) comprises: two pairs of second fixing frames (71), two pairs of first electric control telescopic rods (72) and a pair of turning plates (73);
two pairs of second fixing frames (71) are arranged on the upper surface of the furnace body (30), each first electric control telescopic rod (72) is arranged on the corresponding second fixing frame (71), each turning plate (73) is arranged on the telescopic ends of the corresponding pair of first electric control telescopic rods (72), and the turning plates (73) are located in the furnace body (30).
5. The graphite anode material high-temperature sintering device for lithium ion batteries according to claim 1, wherein said heating structure (80) comprises: two pairs of annular fixing frames (81) and two pairs of annular heaters (82);
two pairs of annular fixing frames (81) are arranged on the inner side surface of the furnace body (30), and each annular heater (82) is arranged on the corresponding annular fixing frame (81).
6. The graphite anode material high-temperature sintering device for lithium ion batteries according to claim 1, wherein the vacuumizing structure (90) comprises: a support plate (91), a pneumatic high vacuum baffle valve (92), a vacuum tube (93) and a Roots vacuum pump (94);
the support plate (91) is arranged at the edge of the upper surface of the support frame (20), the Roots vacuum pump (94) is arranged on the support plate (91), the vacuum tube (93) is arranged on the Roots vacuum pump (94), the vacuum tube (93) is communicated with the inside of the furnace body (30), and the pneumatic high-vacuum baffle valve (92) is arranged on the vacuum tube (93).
7. The graphite anode material high-temperature sintering device for lithium ion batteries according to claim 1, wherein the temperature control structure (100) comprises: a cooling part and a monitoring part;
the cooling part is arranged on the inner side surface of the furnace body (30), and the monitoring part is arranged in the furnace body (30).
8. The high-temperature sintering device for a graphite anode material for a lithium ion battery according to claim 7, wherein the cooling portion comprises: a plurality of cooling water pipes (101) and connectors (102) matched with the cooling water pipes (101);
the cooling water pipes (101) are arranged on the inner side surface of the furnace body (30), each pair of connectors (102) is arranged on the corresponding cooling water pipe (101), and the connectors (102) are positioned outside the furnace body (30);
the monitoring section includes: three fixed support frames (103) and three temperature detectors (104);
three fixed support frames (103) are arranged on the inner side surface of the furnace body (30), and each temperature detector (104) is arranged on the corresponding fixed support frame (103).
9. The graphite anode material high-temperature sintering device for lithium ion batteries according to claim 2, wherein the cooling structure (110) comprises: a cooler (111);
the cooler (111) is arranged on the discharging assembly (52), and the cooler (111) is arranged at the rear end of the discharging valve (53).
10. The high-temperature sintering device for the graphite cathode material for the lithium ion battery according to claim 1, wherein a controller (120) is arranged on the base (10), and a mains interface (130) is arranged on the base (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320728715.3U CN220472283U (en) | 2023-04-04 | 2023-04-04 | High-temperature sintering device for graphite cathode material for lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320728715.3U CN220472283U (en) | 2023-04-04 | 2023-04-04 | High-temperature sintering device for graphite cathode material for lithium ion battery |
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| Publication Number | Publication Date |
|---|---|
| CN220472283U true CN220472283U (en) | 2024-02-09 |
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ID=89778056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320728715.3U Active CN220472283U (en) | 2023-04-04 | 2023-04-04 | High-temperature sintering device for graphite cathode material for lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220472283U (en) |
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2023
- 2023-04-04 CN CN202320728715.3U patent/CN220472283U/en active Active
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