CN109608169A - A kind of highly conductive ceramic material and preparation method thereof - Google Patents
A kind of highly conductive ceramic material and preparation method thereof Download PDFInfo
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- CN109608169A CN109608169A CN201811593530.6A CN201811593530A CN109608169A CN 109608169 A CN109608169 A CN 109608169A CN 201811593530 A CN201811593530 A CN 201811593530A CN 109608169 A CN109608169 A CN 109608169A
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- 229910010293 ceramic material Inorganic materials 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 39
- 239000000919 ceramic Substances 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 8
- 239000010439 graphite Substances 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 8
- 235000013312 flour Nutrition 0.000 claims description 20
- 238000010304 firing Methods 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- 229910052573 porcelain Inorganic materials 0.000 claims description 11
- 239000004576 sand Substances 0.000 claims description 11
- 241000287828 Gallus gallus Species 0.000 claims description 10
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 10
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 10
- 235000013339 cereals Nutrition 0.000 claims description 10
- 229910052700 potassium Inorganic materials 0.000 claims description 10
- 239000011591 potassium Substances 0.000 claims description 10
- 229910052708 sodium Inorganic materials 0.000 claims description 10
- 239000011734 sodium Substances 0.000 claims description 10
- 239000002689 soil Substances 0.000 claims description 10
- 239000000454 talc Substances 0.000 claims description 10
- 229910052623 talc Inorganic materials 0.000 claims description 10
- 235000012222 talc Nutrition 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 5
- 239000004927 clay Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 abstract description 5
- 239000004020 conductor Substances 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 238000000498 ball milling Methods 0.000 description 6
- 239000002131 composite material Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- -1 nitrogenous compound Chemical class 0.000 description 3
- 239000006258 conductive agent Substances 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
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- C—CHEMISTRY; METALLURGY
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
- C04B2235/425—Graphite
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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- Manufacturing & Machinery (AREA)
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Abstract
The invention discloses a kind of highly conductive ceramic materials and preparation method thereof.In the highly conductive ceramic material contain ceramic batch and nitrogen-doped graphene, and in nitrogen-doped graphene containing 50% or more graphite nitrogen.Nitrogen-doped graphene material is applied to ceramic material for the first time by the present invention, so that the ceramic material has more excellent electric conductivity, which is used as conductive substrates, and square resistance is lower than 0.15 Ω/sq (ohm-sq).
Description
Technical field
The present invention relates to ceramic material fields more particularly to a kind of highly conductive ceramic material and preparation method thereof.
Background technique
Ceramic material is with natural or synthetic compound by one kind inorganic non-metallic material made of forming and high temperature sintering
Material.Ceramic material can be divided into general ceramic material and special ceramic material according to the purposes of ceramic material, and special cermacis
In include functional material, include conducting ceramic material in functional material.
CN107324788A discloses a kind of conductivity ceramics, including superstructure, understructure, and superstructure is insulation
Layer, understructure are conductive layer, and superstructure and the sintering of understructure pressing and forming are integrated, and superstructure is non-conductive pottery
Porcelain raw material, understructure are that base-material adulterates conductive material composition, wherein conductive material is conductivity ceramics powder, in metal material
The mixing of at least one or a variety of conductive materials further includes conductive agent, conductive material and dielectric material in understructure
Composition are as follows: 21~30 parts of conductive agent, 25~60 parts of ceramic composite, 10~25 parts of dielectric material.CN103219061A is disclosed
Graphene/porous ceramics composite conducting material and preparation method thereof, it is disclosed that the preparation method of the material, including it is as follows
Step: 1) one or more ceramic powders grinding is become into particle size different powder；2) powder and binder are total to
Mixed grinding is dried after mixing, the sample after being dried；3) mixture after drying is formed, is obtained porous
Substrate；4) porous substrate high annealing is formed, obtains porous ceramic bases；5) pass through chemical vapor deposition method,
Graphene is directly grown in the porous ceramic bases, obtains graphene/porous ceramics composite conducting material, and be also disclosed
The composite conducting material is used as conductive substrates and obtains the superior electrical conductivity that square resistance is lower than 0.3 Ω/sq (ohm-sq)
Energy.
However, more stringent requirements are proposed to the electric conductivity of conducting ceramic material due to the development of science and technology, nitrogen is had no at present
Doped graphene is applied to the pertinent literature report in ceramic material.
Summary of the invention
It is an object of the invention to a kind of highly conductive ceramic materials and preparation method thereof.
The technical solution used in the present invention is:
One of the objects of the present invention is to provide a kind of highly conductive ceramic material, contain ceramic blank in the high conductive material
Material and nitrogen-doped graphene.
Preferably, the mass ratio of above-mentioned nitrogen-doped graphene and ceramic batch are as follows: (0.001~0.05): 1.
Preferably, the mass ratio of above-mentioned nitrogen-doped graphene and ceramic batch are as follows: (0.005~0.02): 1.
Preferably, in above-mentioned nitrogen-doped graphene containing 50% or more graphite nitrogen.
Preferably, above-mentioned ceramic batch is made of the raw material of following mass fraction: 1~5 part of clay, 5~15 parts of sodium mountain flours,
20~35 parts of useless porcelain powder, 2~8 parts of talcum grains, 35~55 parts of potassium sand, 3~12 parts of high alumina sands, 5~15 parts of chicken mountain mountain flours, 8~15
Part mixed soil.
It is highly preferred that the raw material of above-mentioned ceramic batch are as follows: 1~3 part of clay, 8~12 parts of sodium mountain flours, 25~30 parts of useless porcelain
Powder, 2~5 parts of talcum grains, 35~40 parts of potassium sand, 5~8 parts of high alumina sands, 5~10 parts of chicken mountain mountain flours, 8~12 parts of mixed soils.
Preferably, the preparation step of above-mentioned nitrogen-doped graphene material is as follows:
1) graphene or Graphene derivative are uniformly mixed with nitrogenous compound, dispersion liquid is made, it is dry, it must mix
Object；
2) mixture is heat-treated by starvation, obtains nitrogen-doped graphene material.
Preferably, the mass ratio of the graphene in step 1) or Graphene derivative and nitrogenous compound be 1:(0.1~
5)。
Preferably, graphene or the solid content of Graphene derivative are 1~10mg/mL in the dispersion liquid in step 1).
Preferably, the Graphene derivative in step 1) is selected from least one of graphite oxide, graphene oxide.
Preferably, the nitrogenous compound in step 1) is selected from least one of phthalein cyanogen, urea.
Preferably, the heat treatment temperature of step 2) is 350~1200 DEG C；It is highly preferred that the heat treatment temperature of step 2) is
600~1000 DEG C.
Preferably, the heat treatment time in step 2) is 0.5~6h；It is highly preferred that the heat treatment time of step 2) be 1~
3h。
Another object of the present invention is to provide a kind of preparation methods of highly conductive ceramic material, include the following steps:
1) ceramic batch and nitrogen-doped graphene are uniformly mixed, obtain mixed material；
2) mixed material is fired, obtains highly conductive ceramic material.
Preferably, the firing temperature in step 2) is 900~1200 DEG C, and the firing time is 0.5~3h.
It is highly preferred that the firing temperature in step 2) is 900~1000 DEG C, the firing time is 1~2h.
Preferably, partial size≤5 μm of said mixture；More preferably≤1 μm.
The beneficial effects of the present invention are:
Nitrogen-doped graphene material is applied to ceramic material for the first time by the present invention, so that the ceramic material is with more excellent
Electric conductivity, the conducting ceramic material be used as conductive substrates, square resistance be lower than 0.15 Ω/sq (ohm-sq).
Specific embodiment
Enumerate embodiment further below with the present invention will be described in detail.It will similarly be understood that following embodiment is served only for this
Invention is further described, and should not be understood as limiting the scope of the invention, those skilled in the art are according to the present invention
Some nonessential modifications and adaptations that the principle of elaboration is made all belong to the scope of protection of the present invention.Following specific works of example
Skill parameter etc. is also only an example in OK range, i.e. those skilled in the art can do suitable model by the explanation of this paper
Interior selection is enclosed, and does not really want to be defined in hereafter exemplary specific data.
Embodiment 1
A kind of mass ratio 0.001:1 of highly conductive ceramic material, nitrogen-doped graphene and ceramic batch；
In nitrogen-doped graphene containing 50% graphite nitrogen；
The composition of ceramic batch are as follows: 1 part of clay, 5 parts of sodium mountain flours, 20 parts of useless porcelain powder, 2.5 parts of talcum grains, 35 parts of potassium sand,
3.2 parts of high alumina sands, 5.3 parts of chicken mountain mountain flours, 8 parts of mixed soils.
A kind of preparation method of highly conductive ceramic material, includes the following steps:
1) ceramic batch and nitrogen-doped graphene is uniform by high speed ball mill ball milling mixing, obtain mixed material；
2) mixed material is obtained into highly conductive ceramic material in 1000 DEG C of firing 3h.
It is tested by Hall instrument, minimum 0.15 Ω of the square resistance of sample/sq (ohm-sq).
Embodiment 2
A kind of mass ratio 0.01:1 of highly conductive ceramic material, nitrogen-doped graphene and ceramic batch；
In nitrogen-doped graphene containing 70% graphite nitrogen；
The composition of ceramic batch are as follows: 5 parts of clays, 13.5 parts of sodium mountain flours, 35 parts of useless porcelain powder, 7.3 parts of talcum grains, 55 parts of potassium
Sand, 12 parts of high alumina sands, 15 parts of chicken mountain mountain flours, 13.8 parts of mixed soils.
A kind of preparation method of highly conductive ceramic material, includes the following steps:
1) ceramic batch and nitrogen-doped graphene is uniform by high speed ball mill ball milling mixing, obtain mixed material；
2) mixed material is obtained into highly conductive ceramic material in 900 DEG C of firing 2h.
It is tested by Hall instrument, minimum 0.12 Ω of the square resistance of sample/sq (ohm-sq).
Embodiment 3
A kind of mass ratio 0.02:1 of highly conductive ceramic material, nitrogen-doped graphene and ceramic batch；
In nitrogen-doped graphene containing 80% graphite nitrogen；
The composition of ceramic batch are as follows: 2 parts of clays, 9.5 parts of sodium mountain flours, 26 parts of useless porcelain powder, 3.5 parts of talcum grains, 36 parts of potassium sand,
7 parts of high alumina sands, 8 parts of chicken mountain mountain flours, 9 parts of mixed soils.
A kind of preparation method of highly conductive ceramic material, includes the following steps:
1) ceramic batch and nitrogen-doped graphene is uniform by high speed ball mill ball milling mixing, obtain mixed material；
2) mixed material is obtained into highly conductive ceramic material in 950 DEG C of firing 2h.
It is tested by Hall instrument, minimum 0.1 Ω of the square resistance of sample/sq (ohm-sq).
Comparative example 1
A kind of ceramic material does not contain nitrogen-doped graphene；
The composition of ceramic batch are as follows: 2 parts of clays, 9.5 parts of sodium mountain flours, 26 parts of useless porcelain powder, 3.5 parts of talcum grains, 36 parts of potassium sand,
7 parts of high alumina sands, 8 parts of chicken mountain mountain flours, 9 parts of mixed soils.
A kind of preparation method of highly conductive ceramic material, includes the following steps:
1) ceramic batch is uniform by high speed ball mill ball milling mixing, obtain mixed material；
2) mixed material is obtained into ceramic material in 950 DEG C of firing 2h.
After tested, which does not have electric conductivity.
Comparative example 2
A kind of mass ratio 0.02:1 of highly conductive ceramic material, nitrogen-doped graphene and ceramic batch；
In nitrogen-doped graphene containing 40% graphite nitrogen；
The composition of ceramic batch are as follows: 2 parts of clays, 9.5 parts of sodium mountain flours, 26 parts of useless porcelain powder, 3.5 parts of talcum grains, 36 parts of potassium sand,
7 parts of high alumina sands, 8 parts of chicken mountain mountain flours, 9 parts of mixed soils.
A kind of preparation method of highly conductive ceramic material, includes the following steps:
1) ceramic batch and nitrogen-doped graphene is uniform by high speed ball mill ball milling mixing, obtain mixed material；
2) mixed material is obtained into highly conductive ceramic material in 950 DEG C of firing 2h.
It is tested by Hall instrument, minimum 0.53 Ω of the square resistance of sample/sq (ohm-sq).
Comparative example 3
A kind of mass ratio 0.02:1 of highly conductive ceramic material, graphene and ceramic batch；
The composition of ceramic batch are as follows: 2 parts of clays, 9.5 parts of sodium mountain flours, 26 parts of useless porcelain powder, 3.5 parts of talcum grains, 36 parts of potassium sand,
7 parts of high alumina sands, 8 parts of chicken mountain mountain flours, 9 parts of mixed soils.
A kind of preparation method of highly conductive ceramic material, includes the following steps:
1) ceramic batch and graphene is uniform by high speed ball mill ball milling mixing, obtain mixed material；
2) mixed material is obtained into highly conductive ceramic material in 950 DEG C of firing 2h.
It is tested by Hall instrument, minimum 0.8 Ω of the square resistance of sample/sq (ohm-sq).
Claims (10)
1. a kind of highly conductive ceramic material, it is characterised in that: contain ceramic batch and N doping in the highly conductive ceramic material
Graphene.
2. ceramic material according to claim 1, it is characterised in that: the quality of the nitrogen-doped graphene and ceramic batch
Than are as follows: (0.001~0.05): 1.
3. ceramic material according to claim 2, it is characterised in that: the quality of the nitrogen-doped graphene and ceramic batch
Than are as follows: (0.005~0.02): 1.
4. ceramic material according to any one of claims 1 to 3, it is characterised in that: contain in the nitrogen-doped graphene
There is 50% or more graphite nitrogen.
5. ceramic material according to claim 1, it is characterised in that: the ceramic batch by following mass fraction raw material
Composition: 1~5 part of clay, 5~15 parts of sodium mountain flours, 20~35 parts of useless porcelain powder, 2~8 parts of talcum grains, 35~55 parts of potassium sand, 3~12
Part high alumina sand, 5~15 parts of chicken mountain mountain flours, 8~15 parts of mixed soils.
6. ceramic material according to claim 5, it is characterised in that: the mass fraction of the ceramic batch raw material are as follows: 1~
3 parts of clays, 8~12 parts of sodium mountain flours, 25~30 parts of useless porcelain powder, 2~5 parts of talcum grains, 35~40 parts of potassium sand, 5~8 parts of high alumina sands, 5
~10 parts of chicken mountain mountain flours, 8~12 parts of mixed soils.
7. the preparation method of highly conductive ceramic material described in claim 1~6 any one, it is characterised in that: including as follows
Step:
1) ceramic batch and nitrogen-doped graphene are uniformly mixed, obtain mixed material；
2) mixed material is fired, obtains highly conductive ceramic material.
8. preparation method according to claim 7, it is characterised in that: the firing temperature in step 2) is 900~1200 DEG C,
Firing time is 0.5~3h.
9. preparation method according to claim 8, it is characterised in that: the firing temperature in step 2) is 900~1000 DEG C,
Firing time is 1~2h.
10. preparation method according to claim 7, it is characterised in that: partial size≤5 μm of the mixed material.
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| CN201811593530.6A CN109608169A (en) | 2018-12-25 | 2018-12-25 | A kind of highly conductive ceramic material and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498571A (en) * | 2016-12-23 | 2017-03-15 | 浙江精功科技股份有限公司 | A kind of vortex spinning combines nozzle |
| CN108314421A (en) * | 2018-01-03 | 2018-07-24 | 广东净雨环保科技有限公司 | One type graphene enhances the preparation method of architectural pottery |
| KR20180128133A (en) * | 2017-05-23 | 2018-12-03 | 주식회사 맥테크 | Plasma resistant and conductive ceramic-nanocarbon composite and manufacturing method of the same |
-
2018
- 2018-12-25 CN CN201811593530.6A patent/CN109608169A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498571A (en) * | 2016-12-23 | 2017-03-15 | 浙江精功科技股份有限公司 | A kind of vortex spinning combines nozzle |
| KR20180128133A (en) * | 2017-05-23 | 2018-12-03 | 주식회사 맥테크 | Plasma resistant and conductive ceramic-nanocarbon composite and manufacturing method of the same |
| CN108314421A (en) * | 2018-01-03 | 2018-07-24 | 广东净雨环保科技有限公司 | One type graphene enhances the preparation method of architectural pottery |
Non-Patent Citations (1)
| Title |
|---|
| 苏香香等: "氮掺杂石墨烯的制备及其在化学储能中的研究进展", 《应用化学》 * |
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Application publication date: 20190412 |