CN113247891A - Apparatus and method for graphitizing carbon material - Google Patents
Apparatus and method for graphitizing carbon material Download PDFInfo
- Publication number
- CN113247891A CN113247891A CN202110537438.3A CN202110537438A CN113247891A CN 113247891 A CN113247891 A CN 113247891A CN 202110537438 A CN202110537438 A CN 202110537438A CN 113247891 A CN113247891 A CN 113247891A
- Authority
- CN
- China
- Prior art keywords
- carbon material
- winder
- heating
- graphitization
- carbon
- 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
- 239000003575 carbonaceous material Substances 0.000 title claims abstract description 166
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 70
- 238000005087 graphitization Methods 0.000 claims abstract description 47
- 239000000463 material Substances 0.000 claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 238000004804 winding Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 10
- 239000011261 inert gas Substances 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/20—Graphite
- C01B32/205—Preparation
Abstract
The application discloses a graphitization device and a graphitization method for a carbon material, and belongs to the technical field of material processing. The device for graphitizing the carbon material is used for increasing the carbon content of the carbon material and comprises a device main body, a material moving assembly and a heating assembly, wherein the device main body is provided with a containing space, and the material moving assembly and the heating assembly are at least partially positioned in the containing space; the material moving assembly comprises a first winder and a second winder, the first winder and the second winder are arranged at intervals and are used for winding the carbon material, the first winder is used for releasing the carbon material, the second winder is used for collecting the carbon material, and the carbon material is at least partially positioned between the first winder and the second winder in the graphitization process; a heating assembly is at least partially between the first winder and the second winder, the heating assembly for heating the carbon material between the first winder and the second winder to increase the carbon content of the carbon material.
Description
Technical Field
The application belongs to the technical field of material processing, and particularly relates to a graphitization device and a graphitization method for a carbon material.
Background
Graphitization is a key process for the production of graphite articles. The hexagonal carbon atom plane grid is changed from disordered overlapping in a two-dimensional space to ordered overlapping in a three-dimensional space by heat treatment at the temperature of more than 2000 ℃.
In the prior art, the graphitization of carbon materials is carried out by heating the apparatus to a corresponding stabilization degree to increase the graphitization degree of the carbon material.
However, the conventional arrangement is costly and has poor stability when the temperature is maintained above 2000 degrees celsius.
Disclosure of Invention
The embodiment of the application aims to provide a graphitization device and a graphitization method for a carbon material, which can solve the problems that the graphitization treatment of the carbon material in the prior art is high in cost and poor in stability.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, the embodiment of the present application provides an apparatus for graphitizing a carbon material, which is used for increasing a carbon content of the carbon material, and includes an apparatus main body, a material moving assembly and a heating assembly, wherein the apparatus main body has a receiving space, and the material moving assembly and the heating assembly are at least partially located in the receiving space;
the material moving assembly comprises a first winder and a second winder, the first winder and the second winder are arranged at intervals, the first winder and the second winder are used for winding the carbon material, the first winder is used for releasing the carbon material, the second winder is used for bundling the carbon material, and the carbon material is at least partially positioned between the first winder and the second winder in the graphitization process;
the heating assembly is at least partially between the first winder and the second winder, the heating assembly for heating the carbon material between the first winder and the second winder to increase the carbon content of the carbon material.
In a second aspect, embodiments of the present application provide a method for graphitizing a carbon material, the method comprising:
winding a carbon material to a first winder and connecting one end of the carbon material to a second winder;
connecting a heating assembly to the carbon material, wherein the carbon material will be at least partially within the containment space;
filling inert gas in the accommodating cavity, sealing the accommodating space, and heating the carbon material through the heating assembly;
gradually passing the carbon material on the first winder through a high temperature graphitization treatment by the rotation of the first winder and the second winder, and winding the graphitized carbon material onto the second winder.
In this application embodiment, the setting of device main part can bear and move material subassembly and heating element to in heat the carbon material, and then improve the carbonaceous content of carbon material, and then improve the graphitization degree of carbon material. The arrangement of the material moving assembly can drive the carbon material to move, so that the carbon material can be gradually graphitized, and the complete carbon material can be fully graphitized in the moving process of the carbon material. The heating assembly is arranged for heating the carbon material so as to improve graphitization of the carbon material, and the carbon material is only required to be locally heated through matching with the material moving assembly, so that the cost of high-temperature maintenance can be reduced. Specifically, the first winder and the second winder are arranged to perform the gradual graphitization treatment on the carbon material by winding. The embodiment of the application has the beneficial effects that the carbon material can be subjected to gradual graphitization treatment, the stability is high, and only local high temperature needs to be kept low in cost.
Drawings
FIG. 1 is a schematic structural view of a device for graphitizing a carbon material in one embodiment of the present application;
FIG. 2 is a schematic structural view of a device for graphitizing a carbon material in another embodiment of the present application;
fig. 3 is a schematic flow chart of a method for graphitizing a carbon material in an example of the present application.
Description of reference numerals:
10. a device main body; 11. an accommodating space; 20. a material moving component; 21. a first winder; 22. a second winder; 30. a heating assembly; 31. a first connection portion; 32. a second connecting portion; 40. a carbon material.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The graphitization apparatus and graphitization method for carbon material provided by the embodiments of the present application are described in detail by specific embodiments and application scenarios thereof with reference to the accompanying drawings.
Referring to fig. 1 and 2, an embodiment of the present application provides an apparatus for graphitizing a carbon material 40, for increasing a carbon content of the carbon material 40, including an apparatus main body 10, a material moving assembly 20, and a heating assembly 30, wherein the apparatus main body 10 has a receiving space 11, and the material moving assembly 20 and the heating assembly 30 are at least partially located in the receiving space 11;
the material moving assembly 20 comprises a first winder 21 and a second winder 22, the first winder 21 and the second winder 22 are arranged at intervals, the first winder 21 and the second winder 22 are used for winding the carbon material 40, the first winder 21 is used for releasing the carbon material 40, the second winder 22 is used for bundling the carbon material 40, and the carbon material 40 is at least partially positioned between the first winder 21 and the second winder 22 in the graphitization process;
the heating assembly 30 is at least partially between the first winder 21 and the second winder 22, and the heating assembly 30 is configured to heat the carbon material 40 between the first winder 21 and the second winder 22 to increase the carbon content of the carbon material 40.
In the embodiment of the present application, the device main body 10 may be disposed to support the material moving assembly 20 and the heating assembly 30, so as to heat the carbon material 40, thereby increasing the carbon content of the carbon material 40, and further increasing the graphitization degree of the carbon material 40. The material moving assembly 20 can drive the carbon material 40 to move, so that the carbon material 40 can be gradually graphitized, and the entire carbon material 40 can be sufficiently graphitized in the moving process of the carbon material 40. The heating assembly 30 is provided to heat the carbon material 40 to improve graphitization of the carbon material 40, and the carbon material 40 is only locally heated by matching with the material moving assembly 20, so that the cost of maintaining high temperature can be reduced. Specifically, the first winder 21 and the second winder 22 may be provided to perform the gradual graphitization treatment on the carbon material 40 by winding. The embodiment of the application has the advantages that the carbon material 40 can be subjected to gradual graphitization treatment, the stability is high, and only local high temperature needs to be kept low in cost.
The first winder 21 and the second winder 22 may be provided with replaceable spool structures, the carbon material 40 may be wound around the spools, and the graphitized carbon material 40 may be wound around the spools after being processed by the graphitization apparatus, so that the carbon material 40 can be easily carried and replaced.
It should be noted that, at high temperature, the carbon content of the carbon material 40 may change, for example, the original carbon content is 93%, and after being processed by the apparatus of the present application, the carbon content may reach 99% to 100%, so that the carbon material has high modulus and high strength.
Optionally, in an embodiment of the present application, the heating assembly 30 is an electrical heating assembly comprising a power source for heating the carbon material 40, the carbon material 40 being at least partially in electrical communication with the power source.
In the embodiment of the present application, the carbon material 40 in the above-mentioned structure may be added as a resistor in the circuit of the power supply, a certain output voltage and output current are applied to the carbon material 40 by the power supply to realize local heating of the carbon material 40, and after the carbon material 40 at the heating position reaches the graphitization requirement, under the action of the first winder 21 and the second winder 22, the unheated part of the carbon material 40 may be added in the circuit of the power supply to realize gradual graphitization of the carbon material 40. The embodiment of the present application may also use a heating method with other structures for heating, and is not limited to an electric heating method, such as a combustion method. Indirect electrical heating may also be employed without conducting the carbon material 40 to a power source.
The resistance at the heating position of the carbon material 40 can be changed by changing the length of the electrical connection between the carbon material 40 and the power source.
Optionally, in an embodiment of the present application, the heating assembly 30 further includes a first connection portion 31 and a second connection portion 32, a positive pole of the power source is connected to the first connection portion 31, and a negative pole of the power source is connected to the second connection portion 32;
the first connection portion 31 and the second connection portion 32 are movably connected to different positions of the carbon material 40, respectively, and the first connection portion 31 and the second connection portion 32 are electrically connected to the power source through the carbon material 40.
In the embodiment of the present application, in the above-described structure, a certain output voltage and a certain output current may be applied to the carbon material 40 through the first connection portion 31 and the second connection portion 32, so that the carbon material 40 is locally heated, and the graphitization treatment is performed on the carbon material 40 at the heating position. After the first connecting portion 31 and the second connecting portion 32 are movably connected to different positions of the carbon material 40, the connecting positions of the first connecting portion 31 and the second connecting portion 32 relative to the carbon material 40 can be changed by the material transferring assembly 20.
Note that the magnitude of the resistance at the heating position of the carbon material 40 can be changed by changing the pitch between the first connection portion 31 and the second connection portion 32.
Optionally, in an embodiment of the present application, the heating assembly 30 further comprises a temperature controller connected to the power supply, the temperature controller changing the temperature of the carbon material 40 by controlling the output voltage and the output current of the power supply.
In the embodiment of the present application, the temperature controller in the above structure may control the temperature of the carbon material 40, and thus the graphitization degree of the carbon material 40 may be changed by changing the temperature. The carbon material 40 may be heated to 2000 degrees celsius or higher, and may be 2300 degrees celsius, 2500 degrees celsius, or the like in general.
It should be noted that, in the heating module 30 of the present application, the local heating of the carbon material 40 is performed, which can effectively reduce the heating cost, and under the action of the temperature controller, the local temperature of the carbon material 40 can be effectively maintained, so that the graphitization degree is more stable, and the uniformity of the carbon material 40 after graphitization is maintained.
Optionally, in an embodiment of the present application, the accommodating space 11 is a sealed space, and the accommodating space 11 is filled with an inert gas.
In the embodiment of the present application, the above structure may make the graphitization apparatus more stable and reliable, and the filling of the inert gas may ensure the stability of heating the carbon material 40. The inert gas may be nitrogen or other inert gas.
Optionally, in the embodiment of the present application, both the first winder 21 and the second winder 22 are located in the accommodating space 11;
alternatively, at least one of the first winder 21 and the second winder 22 is outside the accommodating space 11, wherein the carbon material 40 is at least partially within the accommodating space 11.
In the embodiment of the present application, two arrangements of the material moving assembly 20 are described above, and the first winder 21 and the second winder 22 may be both located in the accommodating space 11, or at least one of the first winder 21 and the second winder 22 may be located outside the accommodating space 11. The first winder 21 and the second winder 22 are both located in the accommodating space 11, so that the sealing performance of the accommodating space 11 can be improved, and the stability of the graphitization device is ensured; the replacement of the carbon material 40 can be facilitated by locating at least one of the first winder 21 and the second winder 22 outside the accommodating space 11, thereby improving the production efficiency.
Optionally, in an embodiment of the present application, the material moving assembly 20 further includes a driving member, and at least one of the first winder 21 and the second winder 22 is connected to the driving member;
in this embodiment of the application, the driving member may drive at least one of the first winder 21 and the second winder 22 to rotate, so as to achieve the winding effect, only one of the first winder 21 and the second winder 22 may be driven as required, or one driving member may be respectively disposed on the first winder 21 and the second winder 22, and the driving member may be configured as a driving motor. Or a matching structure of a hydraulic cylinder and a gear rack can be set, and only the first winder 21 or the second winder 22 can be driven to rotate.
Optionally, in an embodiment of the present application, the material moving assembly 20 further includes a driving member, the driving member is connected to the carbon material 40, and the driving member indirectly drives the first winder 21 and the second winder 22 to rotate by driving the carbon material 40 to move.
In the embodiment of the present application, the first winder 21 and the second winder 22 can be indirectly driven to rotate by driving the carbon material 40 to move, and when the strength of the carbon material 40 is low, it is preferable to connect the driving member to the first winder 21 or the second winder 22.
The carbon material 40 of the present invention may be a carbon fiber, a carbon nanotube fiber, or a carbon-containing composite material, or may be another form of carbon material 40.
Referring to fig. 3, embodiments of the present application also provide a method of graphitizing a carbon material 40, the steps of the method of graphitizing including:
step S101: winding a carbon material 40 to a first winder 21 and connecting one end of the carbon material 40 to a second winder 22;
the above-described steps may wind the carbon material 40 in preparation for the graphitization treatment, and after one end of the carbon material 40 is connected to the second winder 22, the carbon material 40 may be gradually transferred from the first winder 21 to the second winder 22 in a manner of interlocking the first winder 21 and the second winder 22 so as to gradually graphitize all of the carbon material 40.
Step S102: connecting a heating element 30 to the carbon material 40, wherein the carbon material 40 will be at least partially within the receiving space 11;
the above steps may be performed by heating the carbon material 40 by the heating element 30, and the specific operation of the heating element 30 has been described in detail above, which is not described herein, and the graphitization degree of the carbon material 40 may be increased by heating the carbon material 40 to a certain temperature (2000 ℃ or higher), so as to implement the graphitization treatment of the carbon material 40. The above steps can be prepared for heating the heating assembly 30, so as to make the heating process of the heating assembly 30 more stable and reliable.
Step S103: filling an inert gas into the accommodating cavity, closing the accommodating space 11, and heating the carbon material 40 by the heating assembly 30;
the above steps can ensure the heating stability of the carbon material 40 by filling the inert gas, and after the accommodating space 11 is closed, the temperature of the heating position of the carbon material 40 can be more favorably maintained, and the graphitization of the carbon material 40 is more uniform. After the heating assembly 30 heats the carbon material 40 and increases the temperature to the corresponding graphitization temperature, the graphitization degree at the heated position of the carbon material 40 may be increased.
Step S104: gradually subjecting the carbon material 40 on the first winder 21 to a high temperature graphitization treatment by the rotation of the first winder 21 and the second winder 22, and winding the graphitized carbon material 40 onto the second winder 22.
The above-described steps may gradually graphitize all of the carbon material 40. Specifically, during the transfer of the carbon material 40 from the first winder 21 to the second winder 22, the carbon material 40 being wound is gradually heated by the heating assembly 30, and the degree of graphitization is increased, and finally, the effect of performing the gradual graphitization treatment on all the carbon material 40 is achieved.
It should be noted that, in this document, 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 like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An apparatus for graphitization of carbon material for increasing the carbon content of carbon material (40) comprising an apparatus body (10), a transfer assembly (20) and a heating assembly (30), said apparatus body (10) having a housing space (11), said transfer assembly (20) and said heating assembly (30) being at least partially within said housing space (11);
the material moving assembly (20) comprises a first winder (21) and a second winder (22), the first winder (21) and the second winder (22) are arranged at intervals, the first winder (21) and the second winder (22) are used for winding the carbon material (40), the first winder (21) is used for releasing the carbon material (40), the second winder (22) is used for bundling the carbon material (40), and the carbon material (40) is at least partially positioned between the first winder (21) and the second winder (22) in a graphitization process;
the heating assembly (30) is at least partially between the first winder (21) and the second winder (22), the heating assembly (30) being for heating the carbon material (40) between the first winder (21) and the second winder (22) to increase the carbon content of the carbon material (40).
2. The device for graphitization of carbon material according to claim 1, wherein the heating means (30) is an electrical heating means comprising a power source for heating the carbon material (40), the carbon material (40) being at least partially in electrical communication with the power source.
3. The graphitization apparatus for the carbon material according to claim 2, wherein the heating assembly (30) further comprises a first connection portion (31) and a second connection portion (32), wherein a positive electrode of the power supply is connected to the first connection portion (31), and a negative electrode of the power supply is connected to the second connection portion (32);
the first connecting portion (31) and the second connecting portion (32) are respectively movably connected to different positions of the carbon material (40), and the first connecting portion (31) and the second connecting portion (32) are electrically connected with the power supply through the carbon material (40).
4. The device for graphitizing a carbon material according to claim 2, wherein the heating assembly (30) further comprises a temperature controller connected to the power supply, the temperature controller changing the temperature of the carbon material (40) by controlling an output voltage and an output current of the power supply.
5. The device for graphitizing a carbon material according to claim 1, wherein the receiving space (11) is a sealed space, and the receiving space (11) is filled with an inert gas.
6. The device for graphitizing a carbon material as claimed in claim 1, characterized in that the first winder (21) and the second winder (22) are both located within the receiving space (11).
7. The device for graphitizing a carbon material as claimed in claim 1, characterized in that at least one of the first winder (21) and the second winder (22) is outside the receiving space (11), wherein the carbon material (40) is at least partially within the receiving space (11).
8. The device for graphitizing a carbon material as claimed in claim 1, characterized in that the transfer assembly (20) further comprises a drive member, to which at least one of the first winder (21) and the second winder (22) is connected.
9. The device for graphitizing a carbon material according to claim 1, wherein the transfer assembly (20) further comprises a driving member, the driving member is connected to the carbon material (40), and the driving member indirectly drives the first winder (21) and the second winder (22) to rotate by driving the carbon material (40) to move.
10. A method of graphitizing a carbon material, the method comprising the steps of:
winding a carbon material to a first winder and connecting one end of the carbon material to a second winder;
connecting a heating assembly to the carbon material, wherein the carbon material will be at least partially within the containment space;
filling inert gas in the accommodating cavity, sealing the accommodating space, and heating the carbon material through the heating assembly;
gradually passing the carbon material on the first winder through a high temperature graphitization treatment by the rotation of the first winder and the second winder, and winding the graphitized carbon material onto the second winder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110537438.3A CN113247891A (en) | 2021-05-18 | 2021-05-18 | Apparatus and method for graphitizing carbon material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110537438.3A CN113247891A (en) | 2021-05-18 | 2021-05-18 | Apparatus and method for graphitizing carbon material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113247891A true CN113247891A (en) | 2021-08-13 |
Family
ID=77183365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110537438.3A Pending CN113247891A (en) | 2021-05-18 | 2021-05-18 | Apparatus and method for graphitizing carbon material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113247891A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103650221A (en) * | 2011-10-21 | 2014-03-19 | 昭和电工株式会社 | Method for producing electrode material for lithium ion batteries |
| CN105329889A (en) * | 2015-12-11 | 2016-02-17 | 湖南顶立科技有限公司 | Graphitizing equipment |
| US10559846B2 (en) * | 2017-05-16 | 2020-02-11 | Panasonic Intellectual Property Management Co., Ltd. | Negative-electrode active material for non-aqueous secondary battery and non-aqueous secondary battery |
| CN111063549A (en) * | 2019-12-23 | 2020-04-24 | 南京农业大学 | Two-dimensional MOFs nanosheet-derived full-electrode material for hybrid capacitor |
-
2021
- 2021-05-18 CN CN202110537438.3A patent/CN113247891A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103650221A (en) * | 2011-10-21 | 2014-03-19 | 昭和电工株式会社 | Method for producing electrode material for lithium ion batteries |
| CN105329889A (en) * | 2015-12-11 | 2016-02-17 | 湖南顶立科技有限公司 | Graphitizing equipment |
| US10559846B2 (en) * | 2017-05-16 | 2020-02-11 | Panasonic Intellectual Property Management Co., Ltd. | Negative-electrode active material for non-aqueous secondary battery and non-aqueous secondary battery |
| CN111063549A (en) * | 2019-12-23 | 2020-04-24 | 南京农业大学 | Two-dimensional MOFs nanosheet-derived full-electrode material for hybrid capacitor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Reddy et al. | Hybrid nanostructures for energy storage applications | |
| CN104882613B (en) | A kind of preparation method of flexible High-conductivity composite carbon fiber cloth | |
| US8900755B2 (en) | Lithium super-battery with a chemically functionalized disordered carbon cathode | |
| CN106532032B (en) | A kind of carbon fiber loaded lithium titanate nanometer sheet flexible self-supporting negative electrode material and preparation method thereof | |
| CN104577041B (en) | Method for preparing lithium ion battery negative plate by using carbon fiber cloth as matrix | |
| CN111073059B (en) | Nano-cellulose electrothermal film and preparation method thereof | |
| CN105406025A (en) | Lithium ion battery cathode | |
| CN103633297A (en) | Preparation method of lithium ion battery anode | |
| CN113247891A (en) | Apparatus and method for graphitizing carbon material | |
| CN219656587U (en) | Lithium battery negative electrode material internal string graphitization furnace | |
| CN113096967B (en) | High specific capacity supercapacitor electrode material based on carbon fiber and preparation method thereof | |
| US6783747B1 (en) | Graphite carbon powder, and method and apparatus for producing the same | |
| CN104485457B (en) | A kind of preparation method of Novel cathode material for lithium ion battery | |
| CN104538590B (en) | Method for carrying out manufacturing by serving carbon fiber cloth as lithium ion battery cathode slice | |
| CN211522036U (en) | Graphite fiber/silicon carbide composite material laser in-situ forming device | |
| CN208189721U (en) | A kind of pressure formation fixture system | |
| CN106611637A (en) | Device and method for continuous large-scale preparation of transparent conductive film | |
| CN115863566A (en) | Hard carbon/soft carbon/graphite ternary composite carbon material and preparation method and application thereof | |
| CN108461821A (en) | A kind of pressure formation fixture | |
| CN210781428U (en) | High-strength graphite electrode | |
| CN100391311C (en) | Method for fabricating heating element and electrode lead in carbon fiber far infrared electric heating tube | |
| KR102186112B1 (en) | Apparatus for coating an alkali metal on a carbon-based material | |
| KR20180032284A (en) | Apparatus for soft-type carbon felt insulator | |
| KR20240053173A (en) | A calendering apparatus and pressing method including transparent roll | |
| CN105140500A (en) | Flexible film, preparation method thereof and lithium ion battery material using flexible film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |