CN216389488U - Preparation device of solid electrolyte - Google Patents
Preparation device of solid electrolyte Download PDFInfo
- Publication number
- CN216389488U CN216389488U CN202122467835.6U CN202122467835U CN216389488U CN 216389488 U CN216389488 U CN 216389488U CN 202122467835 U CN202122467835 U CN 202122467835U CN 216389488 U CN216389488 U CN 216389488U
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- CN
- China
- Prior art keywords
- sintering
- solid electrolyte
- powder
- accommodating part
- biscuit
- 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.)
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- 239000007784 solid electrolyte Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 238000005245 sintering Methods 0.000 claims abstract description 67
- 239000000843 powder Substances 0.000 claims abstract description 40
- 235000015895 biscuits Nutrition 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 9
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 7
- 239000000395 magnesium oxide Substances 0.000 claims description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 14
- 229910052744 lithium Inorganic materials 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 11
- 239000000919 ceramic Substances 0.000 abstract description 8
- 239000013589 supplement Substances 0.000 abstract description 4
- 238000004381 surface treatment Methods 0.000 abstract description 3
- 239000005486 organic electrolyte Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Secondary Cells (AREA)
Abstract
The utility model discloses a preparation device of a solid electrolyte, which comprises a sintering container and an accommodating part, wherein the accommodating part is arranged in the sintering container, the accommodating part is provided with at least one sintering position for placing a biscuit; the bottom of the sintering container is provided with a powder embedding area, and the powder embedding area is used for placing solid electrolyte powder. The powder embedding area and the accommodating part are separately arranged in the sintering container so as to separate the solid electrolyte powder from the biscuit in the sintering process, the powder embedding can supplement the volatilization of lithium of the biscuit, can avoid the adhesion on the biscuit, reduce the subsequent process of ceramic chip surface treatment and improve the preparation efficiency, and the utility model can be widely applied to the technical field of lithium batteries.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to a preparation device of a solid electrolyte.
Background
The application of lithium batteries is spread in the fields of energy storage, electric vehicles, consumer electronics and the like, but the current lithium battery technology has some defects: first, most of the commercial lithium batteries use a liquid organic electrolyte, which is highly combustible. Secondly, the traditional organic electrolyte cannot be compatible with a metal lithium cathode and a high-voltage anode, and the development of the secondary battery towards high energy density is greatly limited.
The solid electrolyte is adopted to replace the existing organic electrolyte to construct the solid lithium ion secondary battery, so that the safety performance and the energy density of the battery can be greatly improved, and the method is the development trend of the next generation lithium battery technology. The key point of developing solid lithium battery is to develop high performance solid electrolyte ceramic material, and oxide solid electrolyte ceramic with oxide as main component is superior to other types of solid electrolyte in chemical and electrochemical stability, air stability and high temperature stability.
However, the preparation process of the solid electrolyte ceramic material has the following problems: in the process of sintering into ceramic, lithium loss is caused by overhigh sintering temperature, and a large amount of buried powder is needed to supplement lithium, so that the preparation cost is increased; due to the powder embedding, after high-temperature sintering, the powder embedding is usually tightly bonded with the ceramic wafer and needs to be used in subsequent grinding and polishing processes, and the preparation efficiency is affected.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the above technical problems, the present invention provides a device for preparing a solid electrolyte, which adopts the following technical scheme:
the device for preparing the solid electrolyte comprises a sintering container and a containing part, wherein the containing part is arranged in the sintering container, the containing part is provided with at least one sintering position for placing a biscuit; the bottom of the sintering container is provided with a powder embedding area, and the powder embedding area is used for placing solid electrolyte powder.
In some embodiments of the present invention, the accommodating component is provided with a plurality of sintering positions at intervals along a height direction thereof.
In some embodiments of the utility model, the housing member is provided as a continuous S-shaped structure.
In some embodiments of the utility model, a supporting portion is disposed at the bottom of the sintering container, and the accommodating component is disposed on the supporting portion, and is higher than the powder embedding region.
In some embodiments of the present invention, a recessed portion is disposed at a bottom of the sintering container, and the powder burying region is located at the recessed portion.
In some embodiments of the present invention, the material of the sintering container is aluminum oxide or magnesium oxide.
In some embodiments of the present invention, the material of the accommodating component is aluminum oxide or magnesium oxide.
In some embodiments of the utility model, the sintering vessel is provided with a lid.
In certain embodiments of the utility model, the sintering vessel comprises a crucible.
The embodiment of the utility model has at least the following beneficial effects: the powder embedding area and the accommodating part are separately arranged in the sintering container so as to separate the solid electrolyte powder from the biscuit in the sintering process, the powder embedding can supplement the volatilization of lithium of the biscuit, can avoid the adhesion on the biscuit, reduce the subsequent process of ceramic chip surface treatment and improve the preparation efficiency, and the utility model can be widely applied to the technical field of lithium batteries.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a manufacturing apparatus.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that if the terms "center", "middle", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., are used in an orientation or positional relationship indicated based on the drawings, it is merely for convenience of description and simplicity of description, and it is not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore, is not to be considered as limiting the present invention. The features defined as "first" and "second" are used to distinguish feature names rather than having a special meaning, and further, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model relates to a preparation device of a solid electrolyte, which comprises a sintering container 101 and a containing part 102, wherein the containing part 102 is arranged in the sintering container 101. Pressing solid electrolyte powder to be sintered into a biscuit, placing the biscuit on the accommodating part 102, sealing the sintering container 101, placing the sealed biscuit in a muffle furnace or a tubular furnace for sintering, and naturally cooling to room temperature after sintering is completed to obtain the compact solid electrolyte ceramic wafer.
It can be understood that, the material of the sintering container 101 is alumina or magnesia, which is able to resist high temperature and has stable chemical properties, and in the case of high-temperature sintering, the material of the sintering container 101 and the solid electrolyte will not react chemically. Specifically, the sintering container 101 includes a crucible, the top of which is open.
With reference to the drawings, the sintering container 101 is provided with a cover 105, the cover 105 is disposed at the opening of the crucible, and the lower side of the cover 105 is provided with a boss for limiting, so as to prevent the cover 105 from shifting or falling off at the opening of the crucible. Further, in order to enable the lid body 105 to firmly cover the crucible and ensure airtightness of the sintering vessel 101, the lid body 105 is provided in a heavy structure, specifically, the lid body 105 is provided in a solid structure or a thickened structure.
The material of the accommodating part 102 is aluminum oxide or magnesium oxide, which can resist high temperature and has stable chemical properties, and the material of the accommodating part 102 and the solid electrolyte do not react chemically under the condition of high-temperature sintering.
It is understood that the accommodating component 102 has at least one sintering position for placing the biscuit. In some examples, the sintering positions are arranged in a plurality, and the sintering positions are arranged at intervals, so that the biscuit is prevented from being adhered in the sintering process. Specifically, the accommodating part 102 is provided with a plurality of sintering positions at intervals along the height direction thereof, so that the sintering positions are spatially separated.
With reference to the drawings, the accommodating part 102 is provided with a continuous S-shaped structure to form an S-shaped sintering groove, and specifically, the S-shaped accommodating part 102 has a plurality of upward faces, which can be used as a sintering position and can be used for placing a plurality of biscuits, thereby improving the preparation efficiency. It can be understood that the sintering positions are separated in space, and spaces are reserved among the sintering positions, so that the biscuit of the sintering positions can be rapidly heated in the sintering process, and the sintering efficiency is improved.
In the sintering process, in order to supplement the volatilization of lithium in the biscuit, the bottom of the sintering container 101 is provided with a powder embedding area 103, and the powder embedding area 103 is used for placing solid electrolyte powder. It can be understood that the powder burying area 103 and the accommodating portion are separately arranged, solid electrolyte powder is added into the powder burying area 103 at the bottom of the sintering container 101, the conventional method that the solid electrolyte powder covers the biscuit is replaced, the adding amount of the buried powder can be reduced, the preparation cost is effectively reduced, the sintering efficiency is improved, the direct contact between the buried powder and the biscuit can be avoided, the adhesion is avoided, the yield of the ceramic wafer is improved, and the grinding and removing processes of the buried powder and other surface treatment processes on the surface of the ceramic wafer are reduced.
In one embodiment, the bottom of the sintering container 101 is provided with a support portion 104, the accommodating member 102 is disposed on the support portion 104, and the support portion 104 elevates the position of the accommodating member 102 with respect to the powder burying region 103.
In one embodiment, a recessed portion is provided at the bottom of the sintering container 101, and the powder burying area 103 is located at the recessed portion, so that the powder burying area 103 is located at a lower position relative to the accommodating part 102.
It is understood that the relative positions of the accommodating part 102 and the powder burying area 103 are high and low in comparison with the bottom of the accommodating part 102 and the top of the powder burying area 103.
With reference to the drawings, a containing part 102 is arranged in the sintering container 101, the containing part 102 is arranged in the middle of the bottom of the sintering container 101, an annular powder embedding area 103 is arranged at the bottom of the sintering container 101, a raised supporting part 104 is arranged at the bottom of the sintering container 101, so that the containing part 102 is higher than the powder embedding area 103, and the upper end surface of the supporting part 104 can also be used as a sintering position for placing a biscuit.
In the description herein, references to the terms "one embodiment," "some examples," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" or the like, if any, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (9)
1. A solid electrolyte preparation apparatus, characterized in that: comprises that
A sintering container (101);
the accommodating component (102), the accommodating component (102) is arranged in the sintering container (101), the accommodating component (102) is provided with at least one sintering position for placing biscuit;
the bottom of the sintering container (101) is provided with a powder embedding area (103), and the powder embedding area (103) is used for placing solid electrolyte powder.
2. The apparatus for producing a solid electrolyte according to claim 1, wherein: the accommodating part (102) is provided with a plurality of sintering positions at intervals along the height direction of the accommodating part.
3. The apparatus for producing a solid electrolyte according to claim 2, wherein: the accommodating part (102) is provided with a continuous S-shaped structure.
4. The apparatus for producing a solid electrolyte according to claim 1, wherein: the bottom of the sintering container (101) is provided with a supporting part (104), the accommodating part (102) is arranged on the supporting part (104), and the position of the accommodating part (102) is higher relative to the powder embedding area (103).
5. The apparatus for producing a solid electrolyte according to claim 1, wherein: the bottom of the sintering container (101) is provided with a concave part, and the powder embedding area (103) is located at the concave part.
6. The apparatus for producing a solid electrolyte according to claim 1, wherein: the sintering container (101) is made of aluminum oxide or magnesium oxide.
7. The apparatus for producing a solid electrolyte according to claim 1 or 6, wherein: the material of the accommodating part (102) is aluminum oxide or magnesium oxide.
8. The apparatus for producing a solid electrolyte according to claim 1 or 6, wherein: the sintering container (101) is provided with a cover body (105).
9. The apparatus for producing a solid electrolyte according to claim 8, wherein: the sintering vessel (101) comprises a crucible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122467835.6U CN216389488U (en) | 2021-10-12 | 2021-10-12 | Preparation device of solid electrolyte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122467835.6U CN216389488U (en) | 2021-10-12 | 2021-10-12 | Preparation device of solid electrolyte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216389488U true CN216389488U (en) | 2022-04-26 |
Family
ID=81243094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122467835.6U Active CN216389488U (en) | 2021-10-12 | 2021-10-12 | Preparation device of solid electrolyte |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216389488U (en) |
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2021
- 2021-10-12 CN CN202122467835.6U patent/CN216389488U/en active Active
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| GR01 | Patent grant |