CN212341022U - High-temperature atmosphere electrochemical device for in-situ and dynamic observation of material - Google Patents
High-temperature atmosphere electrochemical device for in-situ and dynamic observation of material Download PDFInfo
- Publication number
- CN212341022U CN212341022U CN202020766501.1U CN202020766501U CN212341022U CN 212341022 U CN212341022 U CN 212341022U CN 202020766501 U CN202020766501 U CN 202020766501U CN 212341022 U CN212341022 U CN 212341022U
- Authority
- CN
- China
- Prior art keywords
- cavity
- main cavity
- situ
- electrochemical device
- temperature atmosphere
- 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.)
- Active
Links
Images
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model provides a high temperature atmosphere electrochemical device of normal position, developments observation material, it includes main cavity, interior cavity, admission line and the pipeline of giving vent to anger. A high-temperature observation window is arranged on the main cavity and above the inner cavity; the inner cavity is nested in the main cavity; the inner cavity is provided with a top opening for being hermetically connected with the solid electrolyte, and the top and the bottom of the solid electrolyte layer are respectively connected with the anode/cathode material and the cathode/anode material; interior cavity is equipped with air inlet and gas outlet, the admission line stretches into in the main cavity and is connected with the air inlet, the one end and the gas outlet of the pipeline of giving vent to anger are connected, and the other end stretches out from the main cavity, the bottom or the below of interior cavity are equipped with heating device. Adopt the technical scheme of the utility model, realize under different temperature, atmosphere and electrochemical reaction condition, carry out normal position dynamic observation to the dynamic change of high temperature solid oxide fuel cell electrode material structure.
Description
Technical Field
The utility model relates to a material research and detection technology field especially relate to a high temperature atmosphere electrochemical device of normal position, dynamic observation material.
Background
With the rapid development of modern new energy, especially hydrogen energy, a fuel cell technology with the advantages of high power generation efficiency, low harmful gas emission and the like becomes one of key technologies breaking the limit of the utilization efficiency of the existing fuel. The characteristics of the fuel cell material such as structure, morphology and the like have important influence on the performance of the cell; therefore, the deep research on the structural evolution of the fuel cell electrode material under the coupling action of multiple physical fields has great guiding significance for optimizing the cell performance. However, the existing research on the micro-nano structure change of the electrode material of the solid electrolyte fuel cell is mostly based on the observation of a sample after the test, the research on the material structure evolution process is mostly carried out under a closed condition, and the factors influencing the performance can be presumed only through the analysis of the sample structure after the test. Especially for high-temperature solid oxide fuel cells, the observation of the micro-nano structure of the corresponding counter electrode material at room temperature cannot truly express the real-time structural change in the high-temperature atmosphere electrochemical reaction. Most of the high-temperature in-situ observation equipment developed at present is limited in temperature and atmosphere control, and the electrochemical performance of the electrode material is tested while the addition of the electrochemical reaction condition and the in-situ observation are lacked.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model discloses a high temperature atmosphere electrochemical device of normal position, dynamic observation material can realize carrying out normal position, dynamic observation to solid fuel cell electrode material under the microscope in different atmosphere and electrochemical reaction process.
To this end, the technical scheme of the utility model is that:
a high-temperature atmosphere electrochemical device for in-situ and dynamic observation of materials comprises a main cavity, an inner cavity, an air inlet pipeline and an air outlet pipeline, wherein an observation window is arranged on the main cavity and above the inner cavity;
the inner cavity is nested in the main cavity and is hermetically connected with the main cavity;
the inner cavity is provided with a top opening for being hermetically connected with the solid electrolyte, wherein the top and the bottom of the solid electrolyte layer are respectively connected with an anode/cathode material and a cathode/anode material;
the main cavity is provided with a gas inlet, a gas outlet, a first lead access port for leading out a lead electrically connected with the anode/cathode material and a second lead access port for leading out a lead electrically connected with the cathode/anode material;
the inner cavity is provided with an air inlet and an air outlet, the air inlet pipeline extends into the main cavity and is connected with the air inlet, one end of the air outlet pipeline is connected with the air outlet, the other end of the air outlet pipeline extends out of the main cavity, and the air inlet pipeline and the air outlet pipeline are respectively connected with the main cavity in a sealing mode;
and a heating device is arranged at the bottom or below the inner cavity.
By adopting the technical scheme, the dynamic change process of the material can be observed under various microscopes through the observation window. Wherein the heating unit arranged below the inner cavity provides a high-temperature environment for the inner cavity. The gas inlet, the gas outlet, the gas inlet pipeline and the gas outlet pipeline which are connected with the inner cavity on the main cavity provide different atmosphere environments (including oxidation/reduction) for the two poles of the material.
As a further improvement of the utility model, the inner wall or the outer wall of the main cavity body is provided with a water cooling pipeline. By adopting the technical scheme, the observation of the material on the micro-nano scale by the high-magnification objective lens is convenient.
As a further improvement of the utility model, the water cooling pipeline is arranged on the side wall of the main cavity body.
As a further improvement of the present invention, the anode/cathode material is connected to an upper collector, which is connected to a first wire, which extends from a first wire inlet; the internal insulating support member that is equipped with of interior cavity, be equipped with lower part collecting electrode on the insulating support member, the bottom and the negative pole/anode material on solid electrolyte layer are connected, lower part collecting electrode and negative pole/anode material are connected, lower part collecting electrode is connected with the second wire, the cavity is worn out to the second wire to it stretches out to insert the mouth from the second wire. The upper and lower current collectors are used to control the electrochemical conditions of the battery cell.
As a further improvement of the utility model, the bottom of the inner cavity is provided with a temperature sensor for temperature control.
As a further improvement of the utility model, the heating device is a silicon nitride heater.
As a further improvement of the utility model, the observation window is a quartz observation window.
As a further improvement of the utility model, the solid electrolyte layer is connected with the edge of the top opening through a glass sealing material.
Compared with the prior art, the beneficial effects of the utility model are that:
adopt the technical scheme of the utility model, realize that high temperature solid oxide fuel cell electrode material carries out normal position dynamic observation to the dynamic change of material structure under the many physics field coupling effect of different temperatures, atmosphere and electrochemical reaction condition. Meanwhile, the device is also suitable for multi-physical-field dynamic in-situ observation of electrode materials of other types of solid electrolyte fuel cells in different temperature ranges.
Drawings
Fig. 1 is a schematic structural diagram of a high-temperature atmosphere electrochemical device for in-situ and dynamic observation of materials according to the present invention.
Fig. 2 is another schematic structural diagram of the high-temperature atmosphere electrochemical device for in-situ and dynamic observation of materials according to the present invention.
Fig. 3 is a schematic structural diagram of the inner cavity of the high-temperature atmosphere electrochemical device for in-situ and dynamic observation of materials according to the present invention.
The reference numerals include:
1-a main cavity, 2-an inner cavity, 3-an air inlet pipeline, 4-an air outlet pipeline, 5-a solid electrolyte, 6-an anode/cathode material, 7-a cathode/anode material, 8-an upper collector, 9-a lower collector and 10-an objective lens;
11-viewing window, 12-gas inlet, 13-gas outlet, 14-first wire inlet, 15-second wire inlet, 16-first wire, 17-second wire;
21-gas inlet, 22-gas outlet, 23-insulating support table, 24-silicon nitride heater and 25-temperature sensor.
Detailed Description
Preferred embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, a high-temperature atmosphere electrochemical device for in-situ and dynamic observation of a material includes a main cavity 1, an inner cavity 2, an air inlet pipe 3 and an air outlet pipe 4, wherein an observation window 11 is arranged on the main cavity 1 and right above the inner cavity 2; the inner cavity 2 is nested in the main cavity 1 and is hermetically connected with the main cavity 1; the main cavity 1 is provided with a gas inlet 12, a gas outlet 13, a first lead wire inlet 14 and a second lead wire inlet 15; the inner cavity 2 is provided with an air inlet 21 and an air outlet 22, the air inlet pipeline 3 extends into the main cavity 1 and is connected with the air inlet 21, one end of the air outlet pipeline 4 is connected with the air outlet 22, the other end of the air outlet pipeline extends out of the main cavity 1, and the air inlet pipeline 3 and the air outlet pipeline 4 are respectively connected with the main cavity 1 in a sealing manner; the inner cavity 2 is provided with a top opening for being hermetically connected with a solid electrolyte 5, wherein the top and the bottom of the solid electrolyte 5 layer are respectively connected with an anode/cathode material 6 and a cathode/anode material 7; anode/cathode material 6 is connected to upper current collector 8, upper current collector 8 is connected to first lead 16, and first lead 16 extends from first lead inlet 14; be equipped with insulating brace table 23 in the cavity 2, be equipped with lower part collecting electrode 9 on the insulating brace table 23, the bottom on 5 layers of solid electrolyte is connected with negative pole/anode material 7, lower part collecting electrode 9 is connected with second wire 17, cavity 2 in the second wire 17 is worn out to it stretches out from second wire access mouth 15. The inlet pipe 3 is used for introducing air, and the gas inlet 12 is used for introducing fuel gas.
A silicon nitride heater 24 is arranged at the bottom or below the inner cavity 2. The bottom of the inner cavity 2 is provided with a temperature sensor 25.
The inner wall or the outer wall of the main cavity 1 is provided with a water cooling pipeline, and the water cooling pipeline is arranged on the side wall of the main cavity 1.
Further, the observation window is a quartz observation window.
Further, the solid electrolyte is connected with the edge of the top opening through a glass sealing material.
With the high-temperature atmosphere electrochemical device of this embodiment, the dynamic change process of the material can be observed through the objective lens 10 of the microscope through the observation window. The device has compact design and convenient movement, and can meet different temperature, atmosphere and electrochemical reaction conditions.
The above-mentioned embodiments are the preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-mentioned embodiments, and the scope of the present invention includes and is not limited to the above-mentioned embodiments, and all equivalent changes made according to the shape and structure of the present invention are within the protection scope of the present invention.
Claims (8)
1. A high-temperature atmosphere electrochemical device for in-situ and dynamic observation of materials is characterized in that: the device comprises a main cavity, an inner cavity, an air inlet pipeline and an air outlet pipeline, wherein an observation window is arranged on the main cavity and above the inner cavity;
the inner cavity is nested in the main cavity and is hermetically connected with the main cavity;
the inner cavity is provided with a top opening for being hermetically connected with the solid electrolyte, wherein the top and the bottom of the solid electrolyte layer are respectively connected with an anode/cathode material and a cathode/anode material;
the main cavity is provided with a gas inlet, a gas outlet, a first lead access port for leading out a lead electrically connected with the anode/cathode material and a second lead access port for leading out a lead electrically connected with the cathode/anode material;
the inner cavity is provided with an air inlet and an air outlet, the air inlet pipeline extends into the main cavity and is connected with the air inlet, one end of the air outlet pipeline is connected with the air outlet, the other end of the air outlet pipeline extends out of the main cavity, and the air inlet pipeline and the air outlet pipeline are respectively connected with the main cavity in a sealing mode;
and a heating device is arranged at the bottom or below the inner cavity.
2. The high temperature atmosphere electrochemical device for in situ, dynamic viewing of materials of claim 1, wherein: and a water cooling pipeline is arranged on the inner wall or the outer wall of the main cavity.
3. The high temperature atmosphere electrochemical device for in situ, dynamic viewing of materials of claim 2, wherein: the water cooling pipeline is arranged on the side wall of the main cavity.
4. The high temperature atmosphere electrochemical device for in situ, dynamic viewing of materials of claim 1, wherein: the anode/cathode material is connected to an upper collector electrode, which is connected to a first lead extending from a first lead access; the internal insulating support member that is equipped with of interior cavity, be equipped with lower part collecting electrode on the insulating support member, the bottom and the negative pole/anode material on solid electrolyte layer are connected, lower part collecting electrode and negative pole/anode material are connected, lower part collecting electrode is connected with the second wire, the cavity is worn out to the second wire to it stretches out to insert the mouth from the second wire.
5. The high-temperature atmosphere electrochemical device for in-situ, dynamic observation of materials according to any one of claims 1 to 4, wherein: and a temperature sensor is arranged at the bottom of the inner cavity.
6. The high temperature atmosphere electrochemical device for in situ, dynamic viewing of materials of claim 5, wherein: the heating device is a silicon nitride heater.
7. The high temperature atmosphere electrochemical device for in situ, dynamic viewing of materials of claim 5, wherein: the observation window is a quartz observation window.
8. The high temperature atmosphere electrochemical device for in situ, dynamic viewing of materials of claim 5, wherein: the solid electrolyte layer is connected to the edge of the top opening by a glass sealing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020766501.1U CN212341022U (en) | 2020-05-11 | 2020-05-11 | High-temperature atmosphere electrochemical device for in-situ and dynamic observation of material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020766501.1U CN212341022U (en) | 2020-05-11 | 2020-05-11 | High-temperature atmosphere electrochemical device for in-situ and dynamic observation of material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212341022U true CN212341022U (en) | 2021-01-12 |
Family
ID=74079836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020766501.1U Active CN212341022U (en) | 2020-05-11 | 2020-05-11 | High-temperature atmosphere electrochemical device for in-situ and dynamic observation of material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212341022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390512A (en) * | 2021-05-19 | 2021-09-14 | 哈尔滨工业大学（深圳） | In-situ temperature-stress measurement system and method for solid oxide fuel cell |
-
2020
- 2020-05-11 CN CN202020766501.1U patent/CN212341022U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390512A (en) * | 2021-05-19 | 2021-09-14 | 哈尔滨工业大学（深圳） | In-situ temperature-stress measurement system and method for solid oxide fuel cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Li et al. | In situ transmission electron microscopy for energy applications | |
| CN212341022U (en) | High-temperature atmosphere electrochemical device for in-situ and dynamic observation of material | |
| CN107202961A (en) | A kind of vehicle fuel battery test system and its method of work | |
| CN109192981A (en) | A kind of three nickel positive electrode of foam curing and the preparation method and application thereof | |
| CN102867947A (en) | Method for preparing carbon/silicon composite anode material based on oligomeric silsesquioxane | |
| CN205406637U (en) | Solid oxide fuel cell's electrochemistry test fixture | |
| CN107055490B (en) | A kind of preparation method of porous nano vanadium nitride crystallite | |
| CN100595959C (en) | Direct carbon fuel cell reaction device | |
| CN105719843B (en) | A kind of molybdenum nitride/titanium nitride nano pipe array composite material and its preparation method and application | |
| CN102780049A (en) | High-capacity sodium-nickel-chloride unit flat plate battery and battery pack thereof | |
| CN103247820A (en) | In-situ assembling method of lithium ion battery | |
| CN210154642U (en) | Measuring system | |
| CN108346789A (en) | Multiconductor nucleocapsid cavity structure anode material of lithium-ion battery and preparation method thereof | |
| CN205992572U (en) | A kind of lithium ion battery cell protection device | |
| CN101464498B (en) | Three-electrode simulation battery equipment used for lithium ion battery | |
| CN105576242A (en) | Graphene battery | |
| CN112259765A (en) | Electric signal collection method based on solid oxide fuel cell electric core with symmetrical double-cathode structure | |
| CN110190268A (en) | A kind of SnSe2The preparation method of/CNTs composite lithium ion battery material | |
| CN109817905A (en) | A kind of ZnMn2O4/Mn2O3The preparation of composite material and its test method of chemical property | |
| CN112903950A (en) | Device suitable for high-temperature in-situ nondestructive testing of liquid metal battery | |
| CN104953117A (en) | Lithium ion battery negative material and preparation method thereof | |
| CN104593849A (en) | Preparation method and applications of carburized titanium dioxide nanotube array | |
| CN112666465A (en) | Metal-air battery test system and test method thereof | |
| CN220231577U (en) | Nickel hydroxide nanosheet oxygen evolution reaction device | |
| CN101504378A (en) | Lithium ion battery electro-chemical test box used for on-site X-ray diffraction analysis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |