CN111121454A - A high temperature sintered structure with double nested structure - Google Patents
A high temperature sintered structure with double nested structure Download PDFInfo
- Publication number
- CN111121454A CN111121454A CN201911335723.6A CN201911335723A CN111121454A CN 111121454 A CN111121454 A CN 111121454A CN 201911335723 A CN201911335723 A CN 201911335723A CN 111121454 A CN111121454 A CN 111121454A
- Authority
- CN
- China
- Prior art keywords
- nested
- isolator
- crucible
- double
- powder
- 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
- 238000005245 sintering Methods 0.000 claims abstract description 33
- 239000000843 powder Substances 0.000 claims abstract description 21
- 239000000919 ceramic Substances 0.000 claims abstract description 15
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 9
- 239000010431 corundum Substances 0.000 claims abstract description 9
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical group O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 8
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims description 4
- 229910001947 lithium oxide Inorganic materials 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 16
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052744 lithium Inorganic materials 0.000 abstract description 5
- 229920006395 saturated elastomer Polymers 0.000 abstract description 5
- 239000007784 solid electrolyte Substances 0.000 abstract description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 2
- 230000008595 infiltration Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract description 2
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 11
- 239000003792 electrolyte Substances 0.000 description 3
- XRNHBMJMFUBOID-UHFFFAOYSA-N [O].[Zr].[La].[Li] Chemical compound [O].[Zr].[La].[Li] XRNHBMJMFUBOID-UHFFFAOYSA-N 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
-
- 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
-
- 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
- C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details specially adapted for crucible or pot furnaces
- F27B14/10—Crucibles
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Secondary Cells (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
本发明公开了一种双层嵌套结构的高温烧结结构，包括外部坩埚配套结构、内部嵌套隔离器以及防滑脱连接结构，内部嵌套隔离器与外部坩埚配套结构完全套合，并通过防滑脱连接结构与外部坩埚配套结构的底座固定，内部嵌套隔离器内部添加母相埋粉粉体，且母相埋粉粉体不与内部嵌套隔离器的内壁接触，避免连接处空气直接与母相埋粉粉体接触。本发明通过使用双层嵌套结构，高温烧结达到饱和蒸气压时所需挥发气体量更少，有效降低了烧结过程中固体电解质的锂损失。本发明通过使用双层嵌套结构，烧结过程中隔断了陶瓷片与刚玉坩埚的接触，隔绝其他元素的渗入，防止改变元素掺杂配比，烧成后的陶瓷锂离子导电率提高。
The invention discloses a high-temperature sintering structure with a double-layer nesting structure, which includes an outer crucible matching structure, an inner nesting isolator and an anti-detachment connecting structure. The disconnecting structure is fixed with the base of the supporting structure of the external crucible, and the parent phase buried powder is added inside the inner nested isolator, and the parent phase buried powder is not in contact with the inner wall of the inner nested isolator, so as to avoid the air at the connection directly contacting with the inner wall of the inner nesting isolator. Mother phase buried powder powder contact. By using the double-nested structure in the present invention, less volatile gas is required when the high-temperature sintering reaches the saturated vapor pressure, and the lithium loss of the solid electrolyte during the sintering process is effectively reduced. By using the double-layer nested structure, the invention cuts off the contact between the ceramic sheet and the corundum crucible during the sintering process, isolates the infiltration of other elements, prevents changing the element doping ratio, and improves the lithium ion conductivity of the sintered ceramic.
Description
Technical Field
The invention relates to a high-temperature sintering structure with a double-layer nested structure, and belongs to the technical field of high-temperature sintering.
Background
The lithium lanthanum zirconium oxygen system solid electrolyte has the advantages of high ionic conductivity, good safety and the like, and has a high development prospect in solid lithium batteries. At present, the lithium lanthanum zirconium oxygen electrolyte sheet is mainly prepared by pressing and molding after solid-phase synthesis of powder and high-temperature sintering. The sintering process is simple to operate and can be applied to large-scale production.
However, in the sintering process, due to direct contact with the corundum crucible at high temperature, aluminum element permeates into the electrolyte sheet to influence the element ratio, and lithium loss of the electrolyte sheet in different degrees is caused by volatilization of lithium oxide in the sintering process.
Disclosure of Invention
The present invention is directed to a high temperature sintering structure with a double-layer nested structure, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a high temperature sintering structure of double-deck nested structure, includes the supporting structure of outside crucible, inside nested isolator and antiskid takes off connection structure, and inside nested isolator overlaps completely with the supporting structure of outside crucible to it is fixed with the base of the supporting structure of outside crucible through antiskid takes off connection structure, and the powder is buried mutually to inside interpolation mother of inside nested isolator, and the powder is buried mutually not with the inner wall contact of inside nested isolator to mother, avoids the junction air directly to bury the powder contact with mother mutually.
As a further scheme of the invention, the external crucible matching structure adopts a corundum crucible, the bottom of the corundum crucible is sleeved with the top of the corundum crucible through a protrusion structure, the shape of the protrusion structure is consistent with that of the crucible opening at the top, the surface is flat and smooth, the corundum crucible can be sealed and sleeved, and the thickness is not more than 2 mm.
As a further scheme of the invention, the inner nested isolator adopts a zirconia isolator which is used for ensuring that parts except the connecting structure are not contacted and ensuring that gaseous volatile lithium oxide is communicated with the outside as little as possible.
As a further scheme of the invention, the anti-slip connecting structure is made of ceramic and is a cylindrical structure pin, the lower side surface and the bottom of the cylinder are fixed with the external nested structure, the height and the diameter of the cylinder are consistent with the size of the connecting hole, on the premise of ensuring that the anti-slip structure can be fixed, the internal cylindrical hole ensures that the internal nested structure and the external nested structure are not communicated by at least 3mm in thickness, and the gas exchange caused by the gas leakage of the fixed groove of the anti-slip connecting structure is avoided.
As a further scheme of the invention, the anti-slip connecting structure can be fixed by selecting two groups, three groups, four groups or other groups according to the structural appearance.
Compared with the prior art, the invention has the beneficial effects that: (1) according to the invention, by using the double-layer nested structure, the amount of volatile gas required when the saturated vapor pressure is reached by high-temperature sintering is less, and the lithium loss of the solid electrolyte in the sintering process is effectively reduced.
(2) By using the double-layer nested structure, the contact between the ceramic wafer and the corundum crucible is isolated in the sintering process, the infiltration of other elements is isolated, the element doping proportion is prevented from being changed, and the lithium ion conductivity of the sintered ceramic is improved.
Drawings
FIG. 1 is a high temperature sintering structural diagram of a two-layer nested structure of the present invention.
In the figure: 1. an external crucible mating structure; 2. an inner nested isolator; 3. an anti-slip connecting structure; 4. a ceramic plate; 5. and (3) embedding powder in the mother phase.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely explained below with reference to the drawings in the embodiments of the present invention.
The utility model provides a high temperature sintering structure of double-deck nested structure, including the supporting structure 1 of outside crucible, inside nested isolator 2 and antiskid take off connection structure 3, inside nested isolator 2 overlaps completely with the supporting structure 1 of outside crucible, and it is fixed with the supporting base of structure 1 of outside crucible through antiskid take off connection structure 3, the powder 5 is buried mutually to inside interpolation mother of inside nested isolator 2, and the powder is buried mutually to mother and is not contacted with the inner wall of inside nested isolator, avoid the junction air directly to bury the powder contact with mother mutually.
The external crucible matching structure 1 adopts a corundum crucible, and the problems of deformation and the like do not occur in the sintering process. The bottom of the crucible is sleeved with the top of the crucible through a protruding structure, wherein the shape of the protruding structure is consistent with that of the crucible opening at the top, the surface is flat and smooth, the crucible can be sealed and sleeved, and the thickness is not more than 2 mm. The inner nested isolator 2 is a zirconia isolator, does not generate element exchange reaction with the ceramic chip 4 at high temperature, is used for ensuring that parts except a connecting structure are not contacted, and ensures that gaseous volatile lithium oxide is communicated with the outside as little as possible. The antiskid takes off connection structure and chooses for use the ceramic material, for cylindric structure pin, cylinder downside and bottom and outer nested structure are fixed, and height and diameter are unanimous with the connecting hole size, are guaranteeing to fix under the antiskid prerequisite, and inside and outside nested structure 3mm thickness at least is not dredged in the assurance of inside and outside cylindrical hole assurance, guarantees not to take place gas exchange because of the antiskid takes off connection structure fixed slot gas leakage. The anti-slipping connecting structure ensures that the inner nested structure does not slip in the moving process, and the state of the powder embedded powder filled in the inner nested structure is consistent with that of the powder filled in the inner nested structure. The anti-slip connecting structure can be fixed by selecting two groups, three groups, four groups or other groups according to the structure appearance.
The diameter of the inner nested structure cavity is D, the height of the inner nested structure cavity is H, the diameter of the outer nested structure is D, and the height of the outer nested structure is H. Saturated vapor pressure of volatile gas is P0. The atmospheric pressure is P. In the sintering process, the gas quantity required for achieving the internal nested structure gas pressure saturation is V1max=P0*Πd2[ 4 ] Ph, and when an internal nested structure is not added, the gas quantity required for reaching the saturated vapor pressure is V2min=P0*ΠD2And/4 PH, when the inner nested zirconia isolator is not added, the crucible and the outside air are continuously subjected to gas exchange under saturated vapor pressure, and the lithium loss is large. H in the above calculation>h,D>d. Therefore there is V1max<V2And min, the protection method of the double-layer nested structure on the volatile gas is more perfect.
Example 1
The diameter of the inner nested structure is 30-40 mm, and the height of the inner nested structure is 15-20 mm. The diameter of the external crucible and the cover of the matched crucible is 50mm, and the height is 40 mm. The sintered ceramic chip and the embedded powder are LLZTO (Li)6.4La3Zr1.4Ta0.6O12) When sintered at 900 ℃ for 6h, the components of the ceramic chip are analyzed by XRD to be LLZTO pure phase, and the components of the ceramic chip obtained by sintering at 900 ℃ for 6h by the traditional sintering method are LLZTO and La0.5Zr0.5O0.75The mixed components of (1).
Example 2
The diameter of the inner nested structure is 30-40 mm, and the height of the inner nested structure is 15-20 mm. The diameter of the external crucible and the cover of the matched crucible is 50mm, and the height is 40 mm. The sintered ceramic chip and the embedded powder are LLZTO (Li)6.4La3Zr1.4Ta0.6O12) The ceramic chip obtained by the sintering method with the double-layer nested structure when sintering for 6 hours at 1000 ℃ comprises the components of LLZTO and La0.5Zr0.5O0.75The highest peak of the mixed component is LLZTO, and the traditional sintering method obtains LLZTO and La0.5Zr0.5O0.75The peak of the highest component is La0.5Zr0.5O0.75。
Example 3
The diameter of the inner nested structure is 30-40 mm, and the height of the inner nested structure is 15-20 mm. The diameter of the external crucible and the cover of the matched crucible is 50mm, and the height is 40 mm. The sintered ceramic chip and the embedded powder are LLZTO (Li)6.4La3Zr1.4Ta0.6O12) The ceramic chip obtained by the sintering method with the double-layer nested structure when sintering is carried out at 1100 ℃ for 6h comprises the components of LLZTO and La0.5Zr0.5O0.75The highest peak of the mixed component is LLZTO, and the traditional sintering method obtains LLZTO and La0.5Zr0.5O0.75The peak of the highest component is La0.5Zr0.5O0.75。
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that variations, modifications, substitutions and alterations can be made in the embodiment without departing from the principles and spirit of the invention.
Claims (5)
1. The utility model provides a high temperature sintering structure of double-deck nested structure, its characterized in that, includes the supporting structure of outside crucible, inside nested isolator and antiskid takes off connection structure, and inside nested isolator overlaps completely with the supporting structure of outside crucible to it is fixed with the base of the supporting structure of outside crucible through antiskid takes off connection structure, and the powder is buried to the inside mother that adds of inside nested isolator mutually, and the powder is buried to the mother mutually not contact with the inner wall of inside nested isolator, avoids the junction air directly to bury the powder and contact with the mother mutually.
2. The high-temperature sintering structure with the double-layer nested structure as claimed in claim 1, wherein the external crucible matching structure adopts a corundum crucible, the bottom of the external crucible matching structure is sleeved with the top of the external crucible matching structure through a protrusion structure, the shape of the protrusion structure is consistent with the shape of the top crucible opening, the surface is flat and smooth, the sealing and sleeving can be guaranteed, and the thickness is not more than 2 mm.
3. The high-temperature sintering structure with the double-layer nested structure as claimed in claim 1, wherein the inner nested isolator is a zirconia isolator which is used for ensuring that parts except the connecting structure are not contacted and ensuring that gaseous volatile lithium oxide is communicated with the outside as little as possible.
4. The high-temperature sintering structure with a double-layer nested structure as claimed in claim 1, wherein the anti-slip connection structure is made of ceramic and is a cylindrical structure pin, the lower side surface and the bottom of the cylinder are fixed with the outer nested structure, and the height and the diameter of the cylinder are consistent with the size of the connection hole, on the premise of ensuring that the anti-slip connection structure can be fixed, the inner cylinder hole ensures that the inner nested structure and the outer nested structure are not communicated by at least 3mm thickness, and gas exchange caused by gas leakage of the fixing groove of the anti-slip connection structure is avoided.
5. The high-temperature sintering structure with a double-layer nested structure as claimed in claim 4, wherein the anti-slip connection structure can be fixed by selecting two groups, three groups, four groups or other groups according to the structure shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911335723.6A CN111121454A (en) | 2019-12-23 | 2019-12-23 | A high temperature sintered structure with double nested structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911335723.6A CN111121454A (en) | 2019-12-23 | 2019-12-23 | A high temperature sintered structure with double nested structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111121454A true CN111121454A (en) | 2020-05-08 |
Family
ID=70501111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911335723.6A Pending CN111121454A (en) | 2019-12-23 | 2019-12-23 | A high temperature sintered structure with double nested structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111121454A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114373983A (en) * | 2021-12-28 | 2022-04-19 | 广东马车动力科技有限公司 | Sintering container and sintering method of lithium lanthanum zirconium oxygen-based solid electrolyte material |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05238818A (en) * | 1992-02-28 | 1993-09-17 | Tokyo Gas Co Ltd | High Density Sintering Method of Lanthanum Chromite Doped with Alkaline Earth Metal |
| CN1935745A (en) * | 2006-09-06 | 2007-03-28 | 清华大学 | Method for inhibiting alkali metal volatilization during niobate base lead-free piezoelectric ceramic sintering process |
| CN104069776A (en) * | 2014-07-16 | 2014-10-01 | 太原科技大学 | Anti-oxidation device and method for calcining and preparing new material |
| CN205278346U (en) * | 2015-12-08 | 2016-06-01 | 六盘水师范学院 | Sample sealing device in sintered material preparation |
| CN107445610A (en) * | 2017-07-04 | 2017-12-08 | 武汉理工大学 | A kind of microwave sintering preparation method of microwave sintering device and core shell structure barium titanate based ceramic |
| CN107829134A (en) * | 2017-11-22 | 2018-03-23 | 北京大学 | A kind of aluminum-nitride single crystal grower and method without seed crystal adhesive technology |
| CN110028326A (en) * | 2019-04-16 | 2019-07-19 | 北京科技大学 | MAX phase ceramics components sintering equipment and method based on gel casting forming |
-
2019
- 2019-12-23 CN CN201911335723.6A patent/CN111121454A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05238818A (en) * | 1992-02-28 | 1993-09-17 | Tokyo Gas Co Ltd | High Density Sintering Method of Lanthanum Chromite Doped with Alkaline Earth Metal |
| CN1935745A (en) * | 2006-09-06 | 2007-03-28 | 清华大学 | Method for inhibiting alkali metal volatilization during niobate base lead-free piezoelectric ceramic sintering process |
| CN104069776A (en) * | 2014-07-16 | 2014-10-01 | 太原科技大学 | Anti-oxidation device and method for calcining and preparing new material |
| CN205278346U (en) * | 2015-12-08 | 2016-06-01 | 六盘水师范学院 | Sample sealing device in sintered material preparation |
| CN107445610A (en) * | 2017-07-04 | 2017-12-08 | 武汉理工大学 | A kind of microwave sintering preparation method of microwave sintering device and core shell structure barium titanate based ceramic |
| CN107829134A (en) * | 2017-11-22 | 2018-03-23 | 北京大学 | A kind of aluminum-nitride single crystal grower and method without seed crystal adhesive technology |
| CN110028326A (en) * | 2019-04-16 | 2019-07-19 | 北京科技大学 | MAX phase ceramics components sintering equipment and method based on gel casting forming |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114373983A (en) * | 2021-12-28 | 2022-04-19 | 广东马车动力科技有限公司 | Sintering container and sintering method of lithium lanthanum zirconium oxygen-based solid electrolyte material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3939722A1 (en) | Preparation method for gas diffusion layer having gradient aperture for spe electrolytic bath | |
| CN104229768B (en) | Porous carbon method with three-dimensional structure | |
| CN109742414A (en) | A medium temperature solid oxide fuel cell cathode material and its preparation method and application | |
| CN100448088C (en) | A kind of preparation method of self-supporting solid oxide fuel cell | |
| CN110380066A (en) | A kind of ammonia decomposition hydrogen producing catalyst and the preparation method and application thereof | |
| CN107195938A (en) | A kind of simple SOFC preparation method | |
| CN111121454A (en) | A high temperature sintered structure with double nested structure | |
| CN104150903B (en) | Low-temperature mixed conductor oxygen permeable film and preparation method thereof in one | |
| CN104659347A (en) | Ternary metal oxide positive material of sodium-ion battery and preparation method of ternary metal oxide positive material | |
| CN106996952A (en) | The preparation method of lambda sensor dielectric substrate and fine and close diffusion layer double-decker | |
| CN116082028A (en) | A kind of proton ceramic fuel cell anode material, preparation method and application in direct ammonia fuel cell | |
| CN100433438C (en) | Method for producing anode-supporting solid oxide fuel cell | |
| CN101830505A (en) | Scandium oxide-stabilizing zirconia powder and preparation method thereof | |
| JP5746309B2 (en) | Solid oxide fuel cell electrode paste, solid oxide fuel cell using the same, and method for producing the same | |
| CN101307461B (en) | Preparation method of YSZ-LSM oxygen electrode powder for solid oxide electrolytic cell | |
| CN112687929A (en) | Lithium oxide electrode micro-molten salt ceramic fuel cell and preparation method thereof | |
| CN109148947B (en) | Solid sodium ion conductor material and preparation method thereof | |
| CN107275657A (en) | A kind of simple method for preparing of anode of solid oxide fuel cell supporter | |
| CN109133921B (en) | Perovskite type solid sodium ion electrolyte material and preparation method thereof | |
| CN109616616B (en) | Preparation method of vanadium oxide nanobelt/nickel foam composite self-supporting electrode material | |
| CN110890557A (en) | A kind of perovskite catalyst for oxygen reduction reaction, preparation method and application | |
| CN217467111U (en) | Simple quartz mold for high temperature proton exchange membrane fuel cell testing | |
| CN109309239B (en) | Flat solid oxide fuel symmetric cell and preparation method thereof | |
| CN105742654A (en) | Preparation method for mixed-phase mullite electrocatalyst and catalyst layer used for negative electrode of fuel cell | |
| CN105958058B (en) | It is a kind of to prepare self assembly carbon coating nickel oxide hollow microsphere method |
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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Shi Ke Inventor after: Xie Guangyuan Inventor after: Yu Jinying Inventor after: Wu Xuxu Inventor before: Yu Jinying |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200508 |