CN211235601U - Electrochemical in-situ reaction cell for X-ray and neutron three-dimensional tomography imaging - Google Patents
Electrochemical in-situ reaction cell for X-ray and neutron three-dimensional tomography imaging Download PDFInfo
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- CN211235601U CN211235601U CN201921796538.2U CN201921796538U CN211235601U CN 211235601 U CN211235601 U CN 211235601U CN 201921796538 U CN201921796538 U CN 201921796538U CN 211235601 U CN211235601 U CN 211235601U
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Abstract
The utility model belongs to the technical field of electrochemical reaction battery and normal position observation test technique and specifically relates to an electrochemistry normal position reaction tank that is used for X ray and formation of image of three-dimensional tomography of neutron, including the main casing body, go up the pressure head, spring and electrode subassembly down, be equipped with screw thread chamber, well cavity and lower screw thread chamber in proper order by last under to in the main casing body, spring and electrode subassembly are located in the well cavity, it is equipped with the pressure head screw rod with go up the screw thread chamber cooperation, just to go up the pressure head screw rod with the spring offsets, the pressure head is equipped with down the pressure head screw rod down, just the pressure head screw rod free end is equipped with down the pressure head cylinder down, down the pressure head screw rod with screw thread chamber cooperation down, down the pressure head cylinder stretch into to in the well cavity and with electrode subassembly offsets. The utility model discloses can guarantee to obtain high-resolution, the high quality image of sample structure to the realization is to the three-dimensional observation of sample normal position, simple to operate and easy operation, and the portability is strong.
Description
Technical Field
The utility model belongs to the technical field of electrochemical reaction battery and normal position observation test technique and specifically relates to an electrochemistry normal position reaction tank that is used for X ray and formation of image of neutron three-dimensional tomography.
Background
With the development of new materials and the deep research on electrochemical mechanisms, researchers need advanced micro-nano scale observation and experiment technologies urgently to achieve three-dimensional observation of the structure and the appearance of an electrode material under electrochemical charging and discharging conditions, real time and high precision. The high-energy synchrotron radiation X-ray and the high-flux neutron have complementary absorption coefficients to substances, so that the high-energy synchrotron radiation X-ray and the high-flux neutron are gradually developed in recent years to become powerful tools for representing multi-scale structural change, are widely applied to the development of new materials of lithium secondary batteries and the research of electrochemical reaction mechanisms, and realize more deep analysis and understanding of lithium secondary battery systems in the aspects of physical and chemical properties. However, the conventional testing techniques are all non-in-situ, and the structure, morphology, composition and the like of the sample are inevitably damaged in the electrode material transferring process, so that the development of in-situ synchrotron radiation and neutron in-situ imaging characterization techniques is urgent. In consideration of the particularity of synchrotron radiation and neutron light sources, the development of the in-situ test micro device suitable for synchrotron radiation X-ray and neutron three-dimensional tomography has important significance for deeply knowing and analyzing the structure and composition change rules of electrode materials of different materials in the charging and discharging processes. In addition, the in-situ electrochemical reaction and observation micro device needs to be built on a synchrotron radiation X-ray and neutron irradiation system, and the device needs to meet the conditions of simple operation, small volume, 360-degree rotation and the like in consideration of the characteristics of an X-ray and neutron three-dimensional imaging technology, and the device in the prior art cannot meet the requirements.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electrochemistry normal position reaction cell for X ray and formation of image of neutron three-dimensional tomography can guarantee to obtain high-resolution, the high quality image of sample structure to the realization is to the three-dimensional observation of sample normal position, simple to operate and easy operation, and the portability is strong.
The purpose of the utility model is realized through the following technical scheme:
an electrochemical in-situ reaction cell for X-ray and neutron three-dimensional tomography imaging, characterized in that: including the main casing body, go up the pressure head, lower pressure head, spring and electrode subassembly, by last screw thread chamber, well cavity and lower screw thread chamber of being equipped with in proper order under to in the main casing, spring and electrode subassembly are located in the well cavity, go up the pressure head be equipped with the pressure head screw rod with go up the screw thread chamber cooperation, just go up the pressure head screw rod with the spring offsets, the pressure head is equipped with down the pressure head screw rod down, just the pressure head screw rod free end is equipped with down the pressure head cylinder down, down the pressure head screw rod with screw thread chamber cooperation down, the pressure head cylinder stretches into extremely in the well cavity and with electrode subassembly offsets.
The electrode assembly comprises an electrode material A, a diaphragm and an electrode material B, the diaphragm is arranged between the electrode material A and the electrode material B, a gasket is arranged on one side, away from the diaphragm, of the electrode material A and abuts against the spring, and one side, away from the diaphragm, of the electrode material B abuts against the lower pressure head cylinder.
The hollow cavity is internally provided with a sleeve, the spring, the electrode assembly and the lower pressure head cylinder are all arranged in the sleeve, and the lower end of the sleeve is abutted to the lower pressure head screw rod.
Go up the pressure head with be equipped with the upper seal ring between the main casing body, down the pressure head with be equipped with lower seal ring between the main casing body.
The upper pressure head is provided with an upper outer joint, and the lower pressure head is provided with a lower outer joint.
The main shell is made of polyether-ether-ketone.
The utility model discloses an advantage does with positive effect:
1. the utility model discloses a main casing body adopts the easily penetrable polyether ether ketone material of ray to make, can guarantee to obtain high-resolution, the high quality image of sample structure to the realization is to the three-dimensional observation of sample normal position, including microscopical structural change, diaphragm rupture etc. and the volume also dwindles greatly when guaranteeing device hardness intensity.
2. The utility model discloses simple to operate and easy operation, portability is strong, can 360 rotations, can use on the X ray of different models and neutron imaging system.
3. The utility model discloses utilize spring and gasket to exert the stable contact of suitable pressure assurance electrode material and diaphragm.
Drawings
Figure 1 is a schematic view of the present invention,
figure 2 is a schematic view of the internal structure of the present invention shown in figure 1,
fig. 3 is a schematic view of the working state of the present invention.
The pressure head comprises an upper pressure head 1, an upper pressure head screw 101, an upper sealing ring 2, a main shell 3, a lower sealing ring 4, a lower pressure head 5, a lower pressure head screw 501, a lower pressure head column 502, an upper outer joint 6, a spring 7, a sleeve 8, a diaphragm 9, a gasket 10, an electrode material A11, an electrode material B12 and a lower outer joint 13.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, the utility model discloses a main casing body 3, last pressure head 1, lower pressure head 5, spring 7 and electrode subassembly, be equipped with screw thread chamber, well cavity and lower screw thread chamber in proper order by last under to in the main casing body 3, spring 7 and electrode subassembly are located in the well cavity, go up pressure head 1 be equipped with pressure head screw 101 with go up the screw thread chamber cooperation, just go up pressure head screw 101 lower extreme with spring 7 offsets, pressure head 5 is equipped with down pressure head screw 501 down, just pressure head screw 501 free end is equipped with down pressure head cylinder 502 down, down pressure head screw 501 with the screw thread chamber cooperation down, pressure head cylinder 502 stretches into in the well cavity and with electrode subassembly offsets down. In this embodiment, the main housing 3 is made of polyetheretherketone with low X-ray and neutron absorption, as shown in fig. 3, X-ray and neutron flux can penetrate the main housing 3 and enter the hollow cavity to irradiate the electrode assembly, and the upper pressure head 1 and the lower pressure head 5 can be made of stainless steel.
As shown in fig. 2, the electrode assembly includes an electrode material a11, a diaphragm 9 and an electrode material B12, the diaphragm 9 is disposed between the electrode material a11 and the electrode material B12, a gasket 10 is disposed on a side of the electrode material a11 away from the diaphragm 9 to abut against the spring 7, and a side of the electrode material B12 away from the diaphragm 9 abuts against the lower pressure head cylinder 502. The electrode material A11, the diaphragm 9 and the electrode material B12 are well known in the art, and the spring 7 and the gasket 10 apply proper pressure to ensure stable contact of the electrode material A11, the diaphragm 9 and the electrode material B12. In this embodiment, the gasket 10 and the spring 7 are made of stainless steel.
As shown in fig. 2, a sleeve 8 is arranged in the hollow cavity, the spring 7, the electrode assembly and the lower pressure head cylinder 502 are all arranged in the sleeve 8, and the lower end of the sleeve 8 abuts against the end face of the lower pressure head screw 501.
As shown in fig. 1, an upper sealing ring 2 is disposed between the upper pressing head 1 and the main casing 3, a lower sealing ring 4 is disposed between the lower pressing head 5 and the main casing 3, and the upper sealing ring 2 and the lower sealing ring 4 are used for ensuring internal sealing of the main casing 3.
As shown in fig. 1, an upper external joint 6 is arranged on the upper side of the upper pressure head 1, a lower external joint 13 is arranged on the lower side of the lower pressure head 5, and the upper external joint 6 and the lower external joint 13 are respectively connected with a power supply through a circuit.
In this embodiment, the inner diameter of the sleeve 8 is 3mm, and the diameters of the lower pressure head cylinder 502, the gasket 10 and the spring 7 are all 3mm and are all arranged in the sleeve 8.
The utility model discloses a theory of operation does:
when the utility model is assembled, firstly, the electrode material B12 is placed on the lower pressure head main body 502, the sleeve 8 is sleeved on the lower pressure head cylinder 502 after being pressed to be smooth, then the diaphragm 9 soaked with electrolyte is placed in the sleeve 8 and on the surface of the electrode material B12, then the electrode material A11 is placed in the sleeve 8 and on the diaphragm 9, then a proper amount of electrolyte is added by an injector, the electrode material A11 and the electrode material B12 form a positive pole and a negative pole, then the gasket 10 and the spring 7 are placed in the sleeve 8 in sequence, then the lower sealing ring 4 and the main shell 3 are sleeved, the lower thread cavity in the main shell 3 is sleeved on the lower pressure head screw 501 of the lower pressure head 5 to realize thread fit, and the lower sealing ring 4 between the main shell 3 ensures the lower end sealing of the main shell 3, finally, the upper sealing ring 2 and the upper pressure head 1 are installed, the upper thread cavity in the main shell 3 is matched with the upper pressure head screw 101 of the upper pressure head 1 to realize thread connection, and the lower end of the upper pressure head screw 101 is pressed against the spring 7, so that the spring 7 generates pressure to ensure the stable contact of the electrode material A11, the diaphragm 9 and the electrode material B12.
As shown in fig. 3, the utility model discloses arrange in during the use on X ray and neutron irradiation system sample revolving stage, and go up pressure head 1 and press head 5 down and link to each other with the power respectively, main casing body 3 adopts and makes the polyether ether ketone that X ray and neutron absorption rate are lower, has both guaranteed that the device has better hardness and intensity, guarantees simultaneously that main casing body 3 also has splendid ray penetrability, and the cavity intracavity in the main casing body 3 has great space, can supply electrochemical reaction, and the size cooperation is good. The utility model discloses a system's revolving stage drives slowly rotatory, and X ray and neutron flux pass the main casing body 3 can guarantee to obtain high-resolution, the high quality image of sample structure to the realization is to the three-dimensional observation of sample normal position, including carefully observing structural change, diaphragm rupture etc. treat that the scanning dismantles whole device according to the contrary order of above installation flow after accomplishing.
Claims (6)
1. An electrochemical in-situ reaction cell for X-ray and neutron three-dimensional tomography imaging, characterized in that: including main casing body (3), go up pressure head (1), lower pressure head (5), spring (7) and electrode subassembly, be equipped with screw thread chamber, well cavity and lower screw thread chamber by last under to in proper order in main casing body (3), spring (7) and electrode subassembly are located in the well cavity, go up pressure head (1) be equipped with pressure head screw rod (101) with go up the screw thread chamber cooperation, just go up pressure head screw rod (101) with spring (7) offset, pressure head (5) are equipped with down pressure head screw rod (501) down, just pressure head screw rod (501) free end is equipped with down pressure head cylinder (502) down, pressure head screw rod (501) with down the screw thread chamber cooperation, pressure head cylinder (502) stretch into to in the well cavity and with electrode subassembly offsets down.
2. The electrochemical in-situ reaction cell for X-ray and neutron three-dimensional tomography imaging of claim 1, wherein: the electrode assembly comprises an electrode material A (11), a diaphragm (9) and an electrode material B (12), the diaphragm (9) is arranged between the electrode material A (11) and the electrode material B (12), a gasket (10) is arranged on one side, far away from the diaphragm (9), of the electrode material A (11) and abuts against a spring (7), and one side, far away from the diaphragm (9), of the electrode material B (12) abuts against a lower pressure head cylinder (502).
3. The electrochemical in-situ reaction cell for X-ray and neutron three-dimensional tomography imaging of claim 1, wherein: the hollow cavity is internally provided with a sleeve (8), the spring (7), the electrode assembly and the lower pressure head cylinder (502) are arranged in the sleeve (8), and the lower end of the sleeve (8) is abutted to the lower pressure head screw (501).
4. The electrochemical in-situ reaction cell for X-ray and neutron three-dimensional tomography imaging of claim 1, wherein: go up pressure head (1) with be equipped with between the main casing body (3) upper seal ring (2), down pressure head (5) with be equipped with between the main casing body (3) lower seal ring (4).
5. The electrochemical in-situ reaction cell for X-ray and neutron three-dimensional tomography imaging of claim 1, wherein: go up pressure head (1) upside and be equipped with outer joint (6) on, pressure head (5) downside is equipped with outer joint (13) down.
6. The electrochemical in-situ reaction cell for X-ray and neutron three-dimensional tomography imaging of claim 1, wherein: the main shell (3) is made of polyether-ether-ketone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921796538.2U CN211235601U (en) | 2019-10-24 | 2019-10-24 | Electrochemical in-situ reaction cell for X-ray and neutron three-dimensional tomography imaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921796538.2U CN211235601U (en) | 2019-10-24 | 2019-10-24 | Electrochemical in-situ reaction cell for X-ray and neutron three-dimensional tomography imaging |
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| Publication Number | Publication Date |
|---|---|
| CN211235601U true CN211235601U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921796538.2U Expired - Fee Related CN211235601U (en) | 2019-10-24 | 2019-10-24 | Electrochemical in-situ reaction cell for X-ray and neutron three-dimensional tomography imaging |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114035088A (en) * | 2021-11-10 | 2022-02-11 | 哈尔滨工业大学 | A battery testing arrangement for normal position synchrotron radiation formation of image |
-
2019
- 2019-10-24 CN CN201921796538.2U patent/CN211235601U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114035088A (en) * | 2021-11-10 | 2022-02-11 | 哈尔滨工业大学 | A battery testing arrangement for normal position synchrotron radiation formation of image |
| CN114035088B (en) * | 2021-11-10 | 2023-04-07 | 哈尔滨工业大学 | A battery testing arrangement for normal position synchrotron radiation formation of image |
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Address after: 266101 Shandong Province, Qingdao city Laoshan District Songling Road No. 189 Patentee after: QINGDAO INSTITUTE OF BIOENERGY AND BIOPROCESS TECHNOLOGY, CHINESE ACADEMY OF SCIENCES Address before: 189 Songling Road, Laoshan District, Shenyang, Liaoning Province Patentee before: QINGDAO INSTITUTE OF BIOENERGY AND BIOPROCESS TECHNOLOGY, CHINESE ACADEMY OF SCIENCES |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200811 Termination date: 20211024 |