CN114508943A - Combined graphite sagger and forming method - Google Patents
Combined graphite sagger and forming method Download PDFInfo
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- CN114508943A CN114508943A CN202210194302.1A CN202210194302A CN114508943A CN 114508943 A CN114508943 A CN 114508943A CN 202210194302 A CN202210194302 A CN 202210194302A CN 114508943 A CN114508943 A CN 114508943A
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- graphite
- bottom plate
- sagger
- carbon fiber
- side plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D5/00—Supports, screens, or the like for the charge within the furnace
- F27D5/0006—Composite supporting structures
- F27D5/0012—Modules of the sagger or setter type; Supports built up from them
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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
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- General Engineering & Computer Science (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses a combined graphite sagger and a forming method thereof, wherein the combined graphite sagger comprises a bottom plate, a plurality of side plates, a plurality of graphite square columns and carbon fiber screws, wherein the side plates are vertically arranged on the bottom plate along the periphery of the bottom plate and form a box body structure with a cavity together with the bottom plate, and the graphite square columns are respectively arranged along the splicing seams of the side plates and the bottom plate as well as the side plates and the side plates; the graphite square column, the bottom plate and the side plate are all provided with connecting holes, and the bottom plate, the side plate and the graphite square column are fixed by matching the carbon fiber screws with the connecting holes; the surface of the carbon fiber screw is covered with a carbonization layer, or a carbonization layer or carbonized particles are filled between the carbon fiber screw and the inner wall of the connecting hole. The graphite sagger solves the problems of high cost, complex processing, stress concentration and mechanical defects of the graphite sagger in the prior art.
Description
Technical Field
The invention relates to the technical field of battery anode material sintering, in particular to a combined graphite sagger and a forming method.
Background
The positive electrode material of the lithium iron phosphate battery is an important component of the lithium iron phosphate battery, the production process of the positive electrode material of the lithium iron phosphate battery generally adopts a high-temperature sintering method, and the container which is most widely used for batch production of the positive electrode material of the lithium iron phosphate battery is a sagger. The graphite sagger has good corrosion resistance, thermal conductivity, high temperature resistance and good mechanical property, and is widely used for sintering powder materials such as lithium iron phosphate, graphite and the like.
The graphite sagger in the market at present is generally divided into two types, one type is digging the sagger, high-purity graphite blocks of isostatic pressure are taken as raw materials, a digging process is adopted, core materials are dug out, and then the sagger is prepared by machining, the graphite box pot bowl production process has extremely low raw material utilization rate (less than 20 percent), generates a large amount of waste materials, is seriously limited by high-purity graphite raw materials, and cannot meet the demand brought by explosive growth of new energy industry in recent years; the sagger is produced with graphite powder and petroleum coke as main material and through high pressure molding in mold and high temperature carbonization, and has great equipment investment, low production efficiency, low yield, high heat stress, low breaking strength and other indexes.
The application number 202120915601.0 discloses a combined graphite box bowl for sintering a lithium ferrite battery negative electrode material, which is formed by combining and connecting a bottom plate provided with a clamping groove, two C-shaped baffles and two transverse baffles. The graphite box bowl solves the problems of low utilization rate, complex processing and high cost of digging saggar graphite, but the graphite utilization rate of the graphite box bowl with the combined structure is improved limitedly, the combined structure is relatively complex, the processing difficulty is higher, and therefore the cost reduction is limited. In the prior art, graphite materials are rarely fixedly connected by screws, and in addition, the phenomenon of thread breakage always occurs when the carbon fiber materials are used for processing threads, so that raw materials are seriously scrapped.
Therefore, it is one of the problems to be solved by those skilled in the art to develop a combined graphite bowl with low cost and excellent performance.
Disclosure of Invention
The invention aims to solve the problems of high cost, complex processing, stress concentration and the like of the conventional graphite sagger, and solves the application problem of a carbon fiber material on a screw by aiming at the specific structure and use environment of the graphite sagger.
In order to achieve the purpose, the invention adopts the following technical scheme:
a combined graphite sagger comprises a bottom plate, a plurality of side plates, a plurality of graphite square columns and carbon fiber screws, wherein the side plates are vertically arranged on the bottom plate along the periphery of the bottom plate and form a box body structure with a cavity with the bottom plate in an enclosing mode, and the graphite square columns are respectively arranged along the splicing seams of the side plates and the bottom plate and the splicing seams of the side plates and the side plates; the graphite square column, the bottom plate and the side plate are all provided with connecting holes, and the bottom plate, the side plate and the graphite square column are fixed by matching the carbon fiber screws with the connecting holes; the surface of the carbon fiber screw is covered with a carbonization layer, or a carbonization layer or carbonized particles are filled between the carbon fiber screw and the inner wall of the connecting hole.
Firstly, the graphite sagger adopts a structure that the bottom plate and the side plate are spliced, so that the problems of concentrated corner stress and high cost of digging the graphite sagger are solved; secondly, to the concatenation formula structure among the prior art, this scheme adopts graphite square column and carbon fiber screw to be connected in the concatenation department of curb plate and curb plate, simple structure is reliable not only, still further solved corner stress concentration problem, because graphite material fragility is very big, if directly with screwed connection on the curb plate, lead to the curb plate to connect the position very easily and split, influence the life of graphite casket-like bowl, if solve the problem of fracture through increasing the thickness of curb plate, then the cost of graphite casket-like bowl can increase by a wide margin, consequently, the combination of graphite square column and screw is used, graphite square column is simple structure and volume less not only, and the positive structure of square and the cooperation of right angle concatenation department can be fine play stress dispersion's effect, connect also very reliably. Therefore, the connecting structure of the graphite square column and the carbon fiber screw at the splicing part is met, and the problems of brittle fracture and cracking in the use process are thoroughly solved at the splicing part of the side plate while the thickness of the side plate is not increased; moreover, the graphite square column is arranged at the joint, and the material leakage phenomenon at the joint can be effectively prevented.
In addition, the material of screw is selected very importantly, graphite screw can hardly satisfy mechanical properties, metal screw is forbidden to use in battery cathode material sintering basically, but, the phenomenon of scarce tooth often appears in carbon fiber's screw when processing, if directly carry out fixed connection with the screw that lacks the tooth, the unreliable problem of connection appears easily, consequently cover the carbonization layer at carbon fiber screw's surface, or have carbonization layer or carbomorphism granule between the connecting hole of curb plate or graphite square column, just so can well compensate the defect of lacking the tooth, carbon fiber screw can be applied to in the graphite casket-like bowl better.
Preferably, a flexible graphite gasket is further arranged between the nut of the carbon fiber screw and the graphite square column.
Preferably, the side plates are four straight plates with the same size and shape, and/or the graphite square columns are the same size and shape.
Preferably, the peripheral edge of bottom plate is equipped with the cushion cap, and the curb plate sets up on the cushion cap.
Preferably, the splicing positions of any two adjacent side plates are clamped through the primary and secondary ports.
Preferably, four corners of the bottom of the graphite sagger are provided with wrap angles.
In addition, the invention also provides a molding method of any one of the combined graphite saggers, which comprises the following steps: firstly, adhering resin glue by using the carbon fiber screw, then splicing the bottom plate, the side plate and the graphite square column, penetrating the carbon fiber screw adhered with the resin glue through the connecting hole, fastening the bottom plate, the side plate and the graphite square column, then heating the assembled graphite sagger at the high temperature of 600-900 ℃, and carbonizing the resin glue to form the carbonized layer or carbonized particles.
It should be noted that the assembled graphite sagger can be heated at high temperature of 900 ℃ and 600 ℃ and then sintered with the anode material, or the anode material can be directly loaded, and the resin adhesive is carbonized during the sintering process of the anode material.
Preferably, the resin glue is epoxy resin, phenolic resin or furan resin.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a combined graphite sagger provided in an embodiment of the present invention;
fig. 2 is a schematic structural view of a combined graphite sagger provided by an embodiment of the present invention after a side plate is opened;
fig. 3 is a schematic structural view of a graphite square column of the combined graphite sagger according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a bottom plate of a combined graphite sagger provided in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 4 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in the figure, the embodiment of the invention provides a combined graphite sagger, which comprises a bottom plate 3, a plurality of side plates 2, a plurality of graphite square columns 1 and carbon fiber screws 4, wherein the side plates 2 are vertically arranged on the bottom plate 3 along the periphery of the bottom plate 3 and form a box body structure with a cavity with the bottom plate 3 in a surrounding manner, and the graphite square columns 1 are respectively arranged along the splicing seams of the side plates 2 and the bottom plate 3 and the side plates 2 and the bottom plate 3; connecting holes 7 are formed in the graphite square column 1, the bottom plate 3 and the side plate 2, and the bottom plate 3, the side plate 2 and the graphite square column 1 are fixed through the carbon fiber screws 4 in a matching mode with the connecting holes 7; the surface of the carbon fiber screw 4 is covered with a carbonization layer, or carbonized particles or a carbonization layer are filled between the carbon fiber screw 4 and the inner wall of the connecting hole 7.
Firstly, the graphite sagger adopts a structure that the bottom plate 3 and the side plate 2 are spliced, so that the problems of concentrated corner stress and high cost of digging the graphite sagger are solved; secondly, to the concatenation formula structure among the prior art, this scheme adopts graphite square column 1 and carbon fiber screw 4 to be connected in curb plate 2 and the concatenation department of curb plate 2, simple structure is reliable not only, still further solved corner stress concentration problem, because graphite material fragility is very big, if directly with screwed connection on curb plate 2, lead to curb plate 2 to connect the position fracture very easily, influence the life of graphite casket-like bowl, if solve the problem of fracture through the thickness that increases curb plate 2, then the cost of graphite casket-like bowl can increase by a wide margin, consequently, the combination of graphite square column 1 and screw is used, graphite square column 1 is simple structure and volume less not only, and the just positive structure of square and the effect of the stress dispersion of playing that right angle concatenation face cooperation can be fine, connect also very reliably. Therefore, the connecting structure of the graphite square column 1 and the carbon fiber screw 4 at the splicing part is met, and the splicing part of the side plate 2 thoroughly solves the problems of brittle fracture and cracking in the using process while the thickness of the side plate 2 is not increased; moreover, the graphite square column 1 is arranged at the joint, and the material leakage phenomenon at the joint can be effectively prevented.
In addition, the material of screw is selected very importantly, graphite screw can hardly satisfy mechanical properties, metal screw is forbidden to use in battery cathode material sintering basically, but, the phenomenon of scarce tooth often appears in carbon fiber's screw when processing, if directly carry out fixed connection with the screw that lacks the tooth, the unreliable problem of connection appears easily, consequently cover the carbonization layer at carbon fiber screw 4's surface, or have carbonization layer or carbomorphism granule between the connecting hole 7 of curb plate 2 or graphite square column 1, just so can well compensate the defect of lacking the tooth, carbon fiber screw 4 just can be applied to in the graphite casket-like bowl better.
It should be noted that in the mechanical structure, screw connection is a conventional technical means, but in the specific material and use environment of the graphite sagger, the prior art has never used screws because the problems of brittleness and screw tooth breakage are difficult to overcome. The invention completely overcomes the problems of brittleness and broken teeth by utilizing the combined connection structure of the carbon fiber screw and the graphite square column and the combined application of the carbon fiber screw and the carbonization layer. When the carbonization layer is subjected to thermal stress or external force, the carbonization layer can play a certain buffering role and can also compensate the mechanical property of the broken teeth.
It should be noted that, in the above embodiment, two side plates 2 may be provided, each of which is L-shaped, and the two L-shaped side plates 2 are spliced to form a square space, and preferably, the side plates 2 are four and are all straight plates. It should be noted that, the above is only an example, the number of the side plates 2 may also be other equivalent forms, and is not illustrated here, as long as the square space formed by enclosing is satisfied and the waste of raw materials is reduced. In another preferred embodiment, the four side plates 2 are identical in size and shape, and the two ends of the side plates 2 are respectively provided with a primary and a secondary port. 2 specifications of four curb plates are unanimous, adopt standardized straight board, do not have the corner, the automated processing of being convenient for, production efficiency obtains greatly promoting, and the utilization ratio of raw and other materials is promoted by a wide margin. The splicing parts of the two side plates 2 are clamped through the primary and secondary ports, the structure shown in the figure is only an example, and the structure with a single bayonet or multiple bayonet is within the scope of the scheme. The connecting holes 7 on the side plates 2, the graphite square columns 1 and the bottom plate 3 are threaded holes, and according to the conventional means in the technical field, a mode of combining through holes and threaded holes can be adopted, so long as the fastening effect of screws can be met, and the description is omitted.
In addition, in order to facilitate the limit and installation of the side plates 2, bearing platforms are arranged on the peripheral edges of the bottom plate 3, and the side plates 2 are arranged on the bearing platforms. The setting of cushion cap is favorable to 2 spacing of curb plate, can also promote the seal of piece department, avoids leaking the material phenomenon. The graphite square column 1 adopts standardized design and processing, is a cuboid with a square or rectangular cross section, can further improve the efficiency and the utilization rate of raw materials, and saves the cost. Graphite square column 1 divide into horizontal square column 5 and vertical square column 6, and horizontal square column 5 sets up in the piece department of curb plate 2 and bottom plate 3, and vertical square column 6 sets up the piece department between curb plate 2.
Preferably, flexible graphite gaskets are further arranged between the screws and the graphite square columns 1 and between the screws and the side plates 2. This graphite gasket plays the pretension effect on the one hand, prevents that the screw from droing, and on the other hand further releases stress, prevents 2 ftractures of curb plate.
In another preferred embodiment, be equipped with cornerite 8 on four angles of graphite sagger bottom, cornerite 8 can add afterwards, also can with curb plate 2 simultaneous molding, on the one hand, cornerite 8 can further strengthen the mechanical properties at connection position, guarantee graphite sagger's stability, more importantly, this cornerite 8 can play limiting displacement, guarantee two adjacent graphite saggergers and keep a certain distance apart in the use, be favorable to the centre gripping of manipulator, also be favorable to the battery anode material heating evenly.
The embodiment of the invention also provides a forming method of any one of the combined graphite saggers, which comprises the following specific steps:
firstly, the carbon fiber screws 4 are used for adhering resin glue, then the bottom plate 3, the side plate 2 and the graphite square column 1 are spliced, the carbon fiber screws 4 which are well adhered with the resin glue penetrate through the connecting holes 7, the bottom plate 3, the side plate 2 and the graphite square column 1 are fastened, then the assembled graphite sagger is heated at the high temperature of 600-900 ℃, and the carbonized layer or carbonized particles are formed after the resin glue is carbonized.
It should be noted that the assembled graphite sagger can be heated at high temperature of 900 ℃ and 600 ℃ and then sintered with the anode material, or the anode material can be directly loaded, and the resin adhesive is carbonized during the sintering process of the anode material. Specifically, the resin adhesive is epoxy resin, phenolic resin or furan resin. The graphite sagger formed by the method ensures the connection reliability of the carbon fiber screws 4, improves the application prospect of the carbon fibers in the graphite sagger connecting piece, effectively utilizes the screws with actual threads, and greatly reduces the cost.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description details a combined graphite sagger of the present invention. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The combined graphite sagger is characterized by comprising a bottom plate (3), a plurality of side plates (2), a plurality of graphite square columns (1) and carbon fiber screws (4), wherein the side plates (2) are vertically arranged on the bottom plate (3) along the periphery of the bottom plate (3) and form a box body structure with a cavity with the bottom plate (3) in an enclosing mode, and the graphite square columns (1) are respectively arranged along the splicing seams of the side plates (2) and the bottom plate (3) and the splicing seams of the side plates (2) and the side plates (2); connecting holes (7) are formed in the graphite square column (1), the bottom plate (3) and the side plate (2), and the bottom plate (3), the side plate (2) and the graphite square column (1) are fixed through the carbon fiber screws (4) in a matching mode with the connecting holes (7); the surface of the carbon fiber screw (4) is covered with a carbonization layer, or a carbonization layer or carbonized particles are filled between the carbon fiber screw (4) and the inner wall of the connecting hole (7).
2. The modular graphite sagger of claim 1, characterized in that a flexible graphite gasket is arranged between the nut of the carbon fiber screw (4) and the graphite square column (1).
3. The modular graphite sagger of claim 1, characterized in that said side plates (2) are four straight plates all having the same size and shape and/or said graphite square columns (1) have the same size and shape.
4. The modular graphite sagger of claim 1, characterized in that said bottom plate (3) is provided with a bearing platform at its peripheral edge, said side plates (2) being arranged on said bearing platform.
5. The combined graphite sagger as claimed in claim 1, wherein the splicing part of any two adjacent side plates (2) is clamped through a primary-secondary port.
6. The modular graphite sagger of claim 1, wherein four corners of the bottom of said graphite sagger are provided with wrap angles (8).
7. A method of forming a modular graphite sagger as claimed in any one of claims 1-6, wherein said method of forming a graphite sagger includes the steps of: firstly, the carbon fiber screws (4) are used for adhering resin glue, then the bottom plate (3), the side plate (2) and the graphite square column (1) are spliced, the carbon fiber screws (4) which are well adhered with the resin glue penetrate through the connecting holes (7), the bottom plate (3), the side plate (2) and the graphite square column (1) are fastened, then the assembled graphite sagger is heated at the high temperature of 600-900 ℃, and the resin glue is carbonized to form the carbonized layer or carbonized particles.
8. The method of claim 7, wherein the resin adhesive is an epoxy resin, a phenolic resin, or a furan resin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210194302.1A CN114508943A (en) | 2022-03-01 | 2022-03-01 | Combined graphite sagger and forming method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210194302.1A CN114508943A (en) | 2022-03-01 | 2022-03-01 | Combined graphite sagger and forming method |
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| CN114508943A true CN114508943A (en) | 2022-05-17 |
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| CN202210194302.1A Pending CN114508943A (en) | 2022-03-01 | 2022-03-01 | Combined graphite sagger and forming method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115215673A (en) * | 2022-08-02 | 2022-10-21 | 福建康碳复合材料科技有限公司 | Manufacturing method of carbon-carbon composite material splicing sagger for containing graphite cathode product |
| CN115849922A (en) * | 2022-12-05 | 2023-03-28 | 湖南碳谷新材料有限公司 | Production process and equipment of graphite negative electrode material asphalt-coated carbon sagger |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11350614A (en) * | 1998-06-08 | 1999-12-21 | Dyflex:Kk | Heat-insulating and water-proofing construction method for heat storage tank |
| JP2008031796A (en) * | 2006-07-31 | 2008-02-14 | Sekisui Chem Co Ltd | Structure for preventing explosive fracture of concrete, and its construction method |
| CN201321182Y (en) * | 2008-12-31 | 2009-10-07 | 於祥军 | Veneer packing container |
| US20180069240A1 (en) * | 2016-09-06 | 2018-03-08 | Industrial Technology Research Institute | Graphite composite structure, method of fabricating the same and composite electrode structure of the same |
| CN109694250A (en) * | 2018-06-19 | 2019-04-30 | 安徽锦美碳材科技发展有限公司 | A method of preparing graphite saggar |
| CN210512662U (en) * | 2019-09-17 | 2020-05-12 | 天齐锂业(射洪)有限公司 | Sagger for sintering lithium battery anode material |
| CN111900072A (en) * | 2020-09-03 | 2020-11-06 | 阳光中科（福建）能源股份有限公司 | Pin for stacking and assembling graphite boat sheets for PECVD and mounting method thereof |
| CN215909662U (en) * | 2021-06-29 | 2022-02-25 | 锦州大业炭素制品有限公司 | Square graphite crucible |
-
2022
- 2022-03-01 CN CN202210194302.1A patent/CN114508943A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11350614A (en) * | 1998-06-08 | 1999-12-21 | Dyflex:Kk | Heat-insulating and water-proofing construction method for heat storage tank |
| JP2008031796A (en) * | 2006-07-31 | 2008-02-14 | Sekisui Chem Co Ltd | Structure for preventing explosive fracture of concrete, and its construction method |
| CN201321182Y (en) * | 2008-12-31 | 2009-10-07 | 於祥军 | Veneer packing container |
| US20180069240A1 (en) * | 2016-09-06 | 2018-03-08 | Industrial Technology Research Institute | Graphite composite structure, method of fabricating the same and composite electrode structure of the same |
| CN109694250A (en) * | 2018-06-19 | 2019-04-30 | 安徽锦美碳材科技发展有限公司 | A method of preparing graphite saggar |
| CN210512662U (en) * | 2019-09-17 | 2020-05-12 | 天齐锂业(射洪)有限公司 | Sagger for sintering lithium battery anode material |
| CN111900072A (en) * | 2020-09-03 | 2020-11-06 | 阳光中科（福建）能源股份有限公司 | Pin for stacking and assembling graphite boat sheets for PECVD and mounting method thereof |
| CN215909662U (en) * | 2021-06-29 | 2022-02-25 | 锦州大业炭素制品有限公司 | Square graphite crucible |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115215673A (en) * | 2022-08-02 | 2022-10-21 | 福建康碳复合材料科技有限公司 | Manufacturing method of carbon-carbon composite material splicing sagger for containing graphite cathode product |
| CN115849922A (en) * | 2022-12-05 | 2023-03-28 | 湖南碳谷新材料有限公司 | Production process and equipment of graphite negative electrode material asphalt-coated carbon sagger |
| CN115849922B (en) * | 2022-12-05 | 2023-07-25 | 湖南碳谷新材料有限公司 | Production process and equipment of graphite anode material asphalt coated carbon-carbon sagger |
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