CN115057431A - Method for manufacturing carbon nano tube - Google Patents
Method for manufacturing carbon nano tube Download PDFInfo
- Publication number
- CN115057431A CN115057431A CN202210730979.2A CN202210730979A CN115057431A CN 115057431 A CN115057431 A CN 115057431A CN 202210730979 A CN202210730979 A CN 202210730979A CN 115057431 A CN115057431 A CN 115057431A
- Authority
- CN
- China
- Prior art keywords
- carbon
- manufacturing
- mixture
- ions
- hydrocarbon
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 239000002041 carbon nanotube Substances 0.000 title claims abstract description 23
- 229910021393 carbon nanotube Inorganic materials 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 14
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 47
- -1 carbon ions Chemical class 0.000 claims abstract description 33
- 239000000203 mixture Substances 0.000 claims abstract description 33
- 150000001875 compounds Chemical class 0.000 claims abstract description 17
- 230000003197 catalytic effect Effects 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000000151 deposition Methods 0.000 claims abstract description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 239000004215 Carbon black (E152) Substances 0.000 claims description 16
- 229930195733 hydrocarbon Natural products 0.000 claims description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 15
- 150000002430 hydrocarbons Chemical class 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 9
- 239000001569 carbon dioxide Substances 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 150000001299 aldehydes Chemical class 0.000 claims description 6
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 6
- 150000001336 alkenes Chemical class 0.000 claims description 6
- 150000002576 ketones Chemical class 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 229910002090 carbon oxide Inorganic materials 0.000 claims description 4
- CSJDCSCTVDEHRN-UHFFFAOYSA-N methane;molecular oxygen Chemical compound C.O=O CSJDCSCTVDEHRN-UHFFFAOYSA-N 0.000 claims 1
- 239000002105 nanoparticle Substances 0.000 claims 1
- 150000002927 oxygen compounds Chemical class 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 30
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 24
- 229910052786 argon Inorganic materials 0.000 description 15
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- 239000005977 Ethylene Substances 0.000 description 4
- 229910021389 graphene Inorganic materials 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- C01B32/15—Nano-sized carbon materials
- C01B32/158—Carbon nanotubes
- C01B32/16—Preparation
- C01B32/162—Preparation characterised by catalysts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- 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
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/184—Preparation
Abstract
The application discloses a method for manufacturing a carbon nano tube, which comprises the following steps: the carbon-containing compound is ionized into a mixture comprising carbon ions. Separating the carbon ions from the mixture and depositing the carbon ions on a catalytic material that promotes carbon growth to produce carbon nanotubes. The manufacturing method of the application has no pollution to the environment, has low energy consumption, and overcomes the defects of the previous manufacturing methods of various carbon nanotubes.
Description
Technical Field
The application relates to the field of chemical manufacturing, in particular to a manufacturing method of a carbon nano tube.
Background
With the gradual application of carbon nanotubes, people pay more and more attention to the high-speed and low-consumption production of the carbon nanotubes, and due to the successful application of the carbon nanotubes in the new energy industry, the mass production technology of the carbon nanotubes is more urgent.
The conventional method for producing carbon nanotubes includes: the arc method, plasma torch, catalytic deposition, etc., have the following prominent drawbacks, which make it impossible to popularize and apply them on a large scale. The method comprises the following specific steps:
an arc method: the quality is not stable enough in trial production.
Plasma torch method: high energy consumption and high pollution.
A catalytic deposition method: the quality is good, and the mass production can not be broken through.
Disclosure of Invention
The present application provides a method for manufacturing a carbon nanotube, which can completely realize the preparation of the carbon nanotube without environmental pollution and with low energy consumption, and overcomes many disadvantages of the previous methods for manufacturing various carbon nanotubes.
The application provides a method for manufacturing a carbon nano tube, which comprises the following steps: the carbon-containing compound is ionized into a mixture comprising carbon ions. Separating the carbon ions from the mixture and depositing the carbon ions on a catalytic material that promotes carbon growth to produce carbon nanotubes.
Further, the catalytic material is made of at least one of iron, copper, or nickel.
Further, iron, copper and nickel are all in nanometer size.
Further, the catalytic material is in the form of a film or particle.
Further, the carbon-containing compounds are ionized into a mixture by a plasma generator.
Further, the carbon ions are separated from the mixture by an electromagnetic deflection system.
Further, the carbon-containing compound includes at least one of hydrocarbon, and hydrocarbon-oxygen compound.
Further, the hydrocarbon includes at least one of an alkane and an alkene.
Further, the carbon oxide compound includes at least one of carbon monoxide and carbon dioxide.
Further, the hydrocarbon oxide compound includes at least one of aldehyde and ketone.
Compared with the prior art, the method has the following beneficial effects:
the manufacturing method of the application has no pollution to the environment, has low energy consumption, and overcomes the defects of the previous manufacturing methods of various carbon nanotubes.
Detailed Description
The technical method in the embodiments of the present application will be clearly and completely described below. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. 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 application provides a method for manufacturing a carbon nano tube, which comprises the following steps:
step one, ionizing a carbon-containing compound into a mixture comprising carbon ions.
In the above step, the carbon-containing compound is ionized into a mixture by a plasma generator.
The carbon-containing compound is generally gaseous. The carbon-containing compound may be at least one of a hydrocarbon, an oxycarbide, and a hydrocarbon-oxygen compound, for example, the carbon-containing compound may be a hydrocarbon, a mixture of an oxycarbide and a hydrocarbon, or a mixture of a hydrocarbon and a hydrocarbon. The hydrocarbon may be at least one of an alkane and an alkene, for example, the hydrocarbon may be an alkane, an alkene, or a mixture of an alkane and an alkene. Wherein, the alkane can be methane, ethane and the like, and the alkene can be ethylene, propylene and the like. The carbon oxide may be at least one of carbon monoxide and carbon dioxide, for example, the carbon oxide may be carbon monoxide, carbon dioxide, or a mixture of carbon monoxide and carbon dioxide. The hydrocarbon oxide includes at least one of aldehyde and ketone, for example, the hydrocarbon oxide may be aldehyde, ketone, or a mixture of aldehyde and ketone. Wherein the aldehyde can be formaldehyde and the ketone can be acetone.
The plasma generator can be a commercial plasma generator, and can also be a plasma generator specially designed for optimizing the production capacity and quality, such as various thermal plasma generators and electric plasma generators. The plasma generator can use argon with the purity of 99% as a working medium, the voltage of the plasma generator can be 260-280V, the current can be 180-200A, the plasma arc temperature can be 1800-2000 ℃, and the output power can be 150-160 kw. The volume ratio of the carbon-containing compound to the argon gas can be 2-3:100, the partial pressure of the carbon-containing compound can be 0.5-0.6MPa, and the partial pressure of the argon gas can be 0.8-0.9 MPa.
With the above arrangement, the carbon-containing compound is ionized in the plasma generator into a mixture including carbon ions (which may be specifically carbanions) and other ions depending on the carbon-containing compound, such as oxygen ions, hydrogen ions, and functional group ions.
And step two, separating carbon ions from the mixture, and depositing the carbon ions on a catalytic material capable of promoting the growth of carbon to obtain the carbon nano tube.
In the above step, the carbon ions are separated from the mixture by an electromagnetic deflection system.
The catalytic material can be made of at least one of iron, copper or nickel, namely the catalytic material can be made of iron, can be made of copper and iron together, and can also be made of nickel. Iron, copper and nickel may all be of nanometer size. The catalytic material may be in the form of a film or a particulate.
The voltage of the electromagnetic deflection system is at least in the kilovolt range, e.g. 1kV-5 kV.
Through the arrangement, the mixture output by the plasma generator separates carbon ions through the electromagnetic deflection system, and the carbon ions are deposited on the catalytic material capable of promoting the growth of carbon, so that the carbon nano tube is obtained.
The manufacturing method of the application has no pollution to the environment, has low energy consumption, and overcomes the defects of the previous manufacturing methods of various carbon nanotubes.
The following is a detailed description with reference to specific examples:
example 1
(1) The methane is ionized into a mixture by a plasma generator, wherein the plasma generator takes argon with the purity of 99 percent as a working medium, the voltage of the plasma generator is 260V, the current of the plasma generator is 190A, the temperature of a plasma arc is 1800 ℃, and the output power of the plasma generator is 160 kw. The volume ratio of methane to argon is 2:100, the partial pressure of methane is 0.6MPa, and the partial pressure of argon is 0.8 MPa.
(2) Separating carbon ions from the mixture by an electromagnetic deflection system with the voltage of 1kV, and depositing the carbon ions on the nano nickel particle layer to obtain the graphene.
Example 2
(1) The ethane is ionized into a mixture by a plasma generator, the plasma generator takes argon with the purity of 99 percent as a working medium, the voltage of the plasma generator is 280V, the current is 200A, the temperature of a plasma arc is 2000 ℃, and the output power is 160 kw. The volume ratio of ethane to argon was 2:100, the partial pressure of ethane was 0.5MPa, and the partial pressure of argon was 0.8 MPa.
(2) Separating carbon ions from the mixture through an electromagnetic deflection system with the voltage of 3kV, and depositing the carbon ions on a particle layer mixed by nano copper and nano iron to obtain the graphene.
Example 3
(1) Methane and ethylene are ionized into a mixture through a plasma generator, argon with the purity of 99 percent is used as a working medium of the plasma generator, the voltage of the plasma generator is 270V, the current of the plasma generator is 180A, the temperature of a plasma arc is 1900 ℃, and the output power of the plasma generator is 150 kw. The volume ratio of methane to ethylene was 10:1, the volume ratio of the mixture of methane and ethylene to argon was 3:100, the partial pressure of the mixture of methane and ethylene was 0.6MPa, and the partial pressure of argon was 0.9 MPa.
(2) Separating carbon ions from the mixture by an electromagnetic deflection system with the voltage of 2kV, and depositing the carbon ions on the nano copper particle layer to obtain the graphene.
Example 4
(1) Methane and carbon dioxide are ionized into a mixture through a plasma generator, argon with the purity of 99 percent is used as a working medium of the plasma generator, the voltage of the plasma generator is 270V, the current of the plasma generator is 190A, the temperature of a plasma arc is 1800 ℃, and the output power of the plasma generator is 150 kw. The volume ratio of methane to carbon dioxide was 20:1, the volume ratio of the mixture of methane and carbon dioxide to argon was 3:100, the partial pressure of the mixture of methane and carbon dioxide was 0.6MPa, and the partial pressure of argon was 0.9 MPa.
(2) Separating carbon ions from the mixture by an electromagnetic deflection system with the voltage of 5kV, and depositing the carbon ions on the nano copper film layer to obtain the graphene.
The foregoing shows and describes the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are presented solely for purposes of illustrating the principles of the application, and that various changes and modifications may be made without departing from the spirit and scope of the application, which is defined by the appended claims, the specification, and equivalents thereof.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting the protection scope of the present application, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.
Claims (10)
1. A method for manufacturing a carbon nanotube, comprising the steps of:
ionizing the carbon-containing compound into a mixture comprising carbon ions;
separating the carbon ions from the mixture and depositing the carbon ions on a catalytic material that promotes carbon growth to produce carbon nanotubes.
2. The manufacturing method according to claim 1,
the catalytic material is made of at least one of iron, copper or nickel.
3. The manufacturing method according to claim 2,
the iron, copper and nickel are all nano-sized.
4. The manufacturing method according to claim 1,
the catalytic material is in a film layer shape or a particle layer shape.
5. The manufacturing method according to claim 1,
ionizing the carbon-containing compound into a mixture by a plasma generator.
6. The manufacturing method according to claim 1,
separating the carbon ions from the mixture by an electromagnetic deflection system.
7. The manufacturing method according to claim 1,
the carbon-containing compound comprises at least one of hydrocarbon, carbon oxygen compound and hydrocarbon oxygen compound.
8. The manufacturing method according to claim 7,
the hydrocarbon includes at least one of alkane and alkene.
9. The manufacturing method according to claim 7,
the carbon oxide compound comprises at least one of carbon monoxide and carbon dioxide.
10. The manufacturing method according to claim 7,
the hydrocarbon and oxygen compound comprises at least one of aldehyde and ketone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210730979.2A CN115057431A (en) | 2022-06-24 | 2022-06-24 | Method for manufacturing carbon nano tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210730979.2A CN115057431A (en) | 2022-06-24 | 2022-06-24 | Method for manufacturing carbon nano tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115057431A true CN115057431A (en) | 2022-09-16 |
Family
ID=83202254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210730979.2A Pending CN115057431A (en) | 2022-06-24 | 2022-06-24 | Method for manufacturing carbon nano tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115057431A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1542920A (en) * | 2003-05-01 | 2004-11-03 | ���ǵ�����ʽ���� | Method of forming a conductive line for a semiconductor device using a carbon nanotube and semiconductor device manufactured using the method |
| CN1547225A (en) * | 2003-12-11 | 2004-11-17 | 中国科学院山西煤炭化学研究所 | Technology and equipment for preparing magnetic carbon nanometer tube by plasma |
| CN1558441A (en) * | 2004-01-16 | 2004-12-29 | 清华大学 | Method for preparing carbon nanotube on glass substrates |
| CN103695869A (en) * | 2013-12-20 | 2014-04-02 | 上海中电振华晶体技术有限公司 | Preparation method of graphene film |
| CN105803420A (en) * | 2016-03-21 | 2016-07-27 | 中南大学 | Diamond composite wrapped by graphene and/or carbon nanotubes and preparation method and application of diamond composite wrapped by graphene and/or carbon nanotubes |
-
2022
- 2022-06-24 CN CN202210730979.2A patent/CN115057431A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1542920A (en) * | 2003-05-01 | 2004-11-03 | ���ǵ�����ʽ���� | Method of forming a conductive line for a semiconductor device using a carbon nanotube and semiconductor device manufactured using the method |
| CN1547225A (en) * | 2003-12-11 | 2004-11-17 | 中国科学院山西煤炭化学研究所 | Technology and equipment for preparing magnetic carbon nanometer tube by plasma |
| CN1558441A (en) * | 2004-01-16 | 2004-12-29 | 清华大学 | Method for preparing carbon nanotube on glass substrates |
| CN103695869A (en) * | 2013-12-20 | 2014-04-02 | 上海中电振华晶体技术有限公司 | Preparation method of graphene film |
| CN105803420A (en) * | 2016-03-21 | 2016-07-27 | 中南大学 | Diamond composite wrapped by graphene and/or carbon nanotubes and preparation method and application of diamond composite wrapped by graphene and/or carbon nanotubes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102535679B1 (en) | Apparatus and method for manufacturing carbon nanotubes | |
| Dato | Graphene synthesized in atmospheric plasmas—A review | |
| US11673807B2 (en) | Carbon nanostructured materials and methods for forming carbon nanostructured materials | |
| US20110014368A1 (en) | Carbon nanotube growth at reduced temperature via catalytic oxidation | |
| US20060054491A1 (en) | Carbon nanotubes and method of manufacturing same, electron emission source, and display | |
| WO2003011755B1 (en) | Production of carbon nanotubes | |
| Zhan et al. | Ultrafast carbon nanotube growth by microwave irradiation | |
| CN112030133A (en) | Diamond and preparation method and application thereof | |
| US10920085B2 (en) | Alteration of carbon fiber surface properties via growing of carbon nanotubes | |
| CN115057431A (en) | Method for manufacturing carbon nano tube | |
| Liang et al. | Discharge characteristics of a nano-sized electrode with aligned carbon nanotubes grown on a tungsten whisker tip under various gas conditions | |
| Sarangi et al. | Carbon nanotubes and nanostructures grown from diamond-like carbon and polyethylene | |
| Sung et al. | A novel form of carbon nitrides: Well-aligned carbon nitride nanotubes and their characterization | |
| RU2489350C2 (en) | Method of producing carbon nanomaterials and device for its implementation | |
| KR20170081428A (en) | Preparation method of grephene hybrid materials, Removal method of graphene materials impurities and graphene Materials | |
| US20220153587A1 (en) | Method for continuously mass-manufacturing graphene using high-temperature plasma emission method and graphene manufactured by manufacturing method | |
| Xie et al. | Regulation of high value-added carbon nanomaterials by DC arc plasma using graphite anodes from spent lithium-ion batteries | |
| CN113930744A (en) | Gradient coating with high emission threshold and preparation method thereof | |
| CN108383102B (en) | Method and device for preparing carbon nano material by plasma in open environment | |
| Ha et al. | Freestanding graphene nanosheets and large-area/patterned graphene nanofilms from indium-catalyzed graphite | |
| KR100478145B1 (en) | Method for Manufacturing Carbon Nano Fiber | |
| Husein et al. | Electrical Discharge of Butane and Propane for Carbon Plasma with Air Impurities, Slightly Ionized at High Pressure | |
| CN113697812B (en) | Preparation method of silicon carbide nanotube based on high-frequency electromagnetic field excitation | |
| Dailly et al. | Purification of carbon single-wall nanotubes by potassium intercalation and exfoliation | |
| Prado et al. | Synthesis of carbon nanomaterials by thermal plasma: a brief review |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231107 Address after: No. 4 Guanyong Village Section, Shilian Road, Shiji Town, Panyu District, Guangzhou City, Guangdong Province, 511400 (factory building) Applicant after: Guangzhou Carbon Guide Technology Co.,Ltd. Address before: 528437 industrial plant in zone B, second floor, No. 3 Shabian Road, Torch Development Zone, Zhongshan City, Guangdong Province Applicant before: Zhongshan sililai Equipment Technology Co.,Ltd. |
|
| TA01 | Transfer of patent application right |