CN210572049U - Sample rack for button cell in-situ X-ray diffraction test - Google Patents
Sample rack for button cell in-situ X-ray diffraction test Download PDFInfo
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- CN210572049U CN210572049U CN201921464005.4U CN201921464005U CN210572049U CN 210572049 U CN210572049 U CN 210572049U CN 201921464005 U CN201921464005 U CN 201921464005U CN 210572049 U CN210572049 U CN 210572049U
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Abstract
The utility model relates to a sample holder for button cell in-situ X-ray diffraction test, four corners of a substrate main body of a substrate component are provided with studs with the length of 20-30mm, and the center is provided with a sample groove; four corners of a pressing plate main body of the pressing plate component are provided with through holes matched with the positions of the studs, the middle of the pressing plate main body is provided with a central through hole matched with the position of the sample groove, the pressing plate main body is provided with three check blocks extending towards the center of the central through hole, the lower surfaces of the check blocks are 0.2mm higher than the upper surface of the pressing plate main body, and the suspension length of the check blocks is 3-5 mm; the stud penetrates through the through hole, the pressing plate component is fixed on the substrate component through the nut, and the thickness of the substrate main body and the thickness of the pressing plate main body are 2-5 mm; the utility model is used for sample frame of button cell normal position X-ray diffraction test, the button cell of the different thickness of ability adaptation and diameter model, the X-ray diffraction appearance sample platform of ability adaptation centre gripping type and the type of placing, the normal position test that the button cell charges and discharges can be carried out in the use of cooperation electrode slice.
Description
Technical Field
The utility model belongs to X-ray diffraction test accessory field, concretely relates to a sample frame for button cell normal position X-ray diffraction test.
Background
The X-ray diffraction test (XRD) is a qualitative analysis of the crystal type, crystal parameters, crystal defects, contents of different structural phases, etc. of a material using the positions and intensities of diffraction peaks through the diffraction phenomenon of X-rays in a sample.
The crystal type, crystal parameters and the like of the electrode material are changed during the charge and discharge of the battery, in order to determine the specific change of the electrode material during the charge and discharge of the battery. The electrode material can be analyzed after charging and discharging are completed through XRD, and the electrode material can be observed in real time through in-situ XRD. The change situation of real-time phase in the charge-discharge reaction process can be estimated through in-situ XRD so as to infer the reaction mechanism, which is a very important and advanced characterization means in the current battery material industry.
At present, each X-ray diffractometer manufacturer uses a self-assembled battery accessory to carry out in-situ XRD charging and discharging tests, has certain difficulty in use, has more details needing attention on equipment and is very expensive; the assembly principle is that electrode materials, electrolyte, a diaphragm and the like are added into the battery accessory, and the whole battery accessory is assembled into a button-like battery, so that in-situ test is carried out. However, the operation of the process is complex, and if the electrode material of the assembled button cell can be directly tested, the testing efficiency can be improved, and the testing cost can be reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at, overcome the technical problem who exists among the above-mentioned background art, provide a sample frame that is used for button cell normal position X-ray diffraction to test.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
a sample holder for in-situ X-ray diffraction testing of a button cell comprises a base plate member and a pressing plate member. Four corners of a substrate main body of the substrate component are provided with studs with the length of 20-30mm, and the center of the substrate main body is provided with a sample groove; due to the structural arrangement, the stud can not block incident X-ray and diffraction ray in the test process.
The button cell is characterized in that four corners of a pressing plate main body of the pressing plate component are provided with through holes matched with the positions of the studs, the middle of the pressing plate main body is provided with a central through hole matched with the position of the sample groove, three check blocks extending towards the center of the central through hole are arranged on the pressing plate main body, the lower surfaces of the check blocks are 0.2mm higher than the upper surface of the pressing plate main body, and when the button cell is clamped by the substrate component and the pressing plate component, electrode materials in the button cell are basically flush with the upper surface. The suspension length of the stop block is 3-5mm, and the suspension length of the stop block enables the button cell to be effectively resisted and limited when the anode or the cathode of the button cell is tested due to the fact that the anode area and the cathode area of the button cell are slightly different.
The stud penetrates through the through hole, the pressing plate component is fixed on the base plate component through the nut, and the thickness of the base plate main body and the thickness of the pressing plate main body are 2-5 mm. At the moment, the button cell is in the sample groove, and when the substrate main body is matched with the pressing plate main body, the button cell is propped against the stop block; meanwhile, due to the existence of the stud, the sample holder can adapt to button batteries with different thicknesses. For the purpose of completing the test by the injection of X-ray, a hole with the diameter of 14mm-20mm needs to be formed on the shell of the button cell, and the hole forming process needs to be performed before the button cell is installed. If the sample platform of X-ray diffractometer is the centre gripping formula, this sample holder can be by convenient centre gripping, if the formula is directly placed to the sample platform of X-ray diffractometer, the base plate component bottom of this sample holder is level and smooth, and convenient bonding is fixed.
Preferably, the length of the platen body is 2-5cm longer than the length of the substrate body. Regardless of the thickness of the button cell, the sample stage of the X-ray diffractometer clamps the part of the pressing plate main body exceeding the substrate main body, thereby fixing the whole sample.
Preferably, the non-clamping end of the substrate main body is provided with a first terminal, the first terminal is detachably connected with a first electrode plate, the non-clamping end of the pressing plate main body is provided with a second terminal, and the second terminal is detachably connected with a second electrode plate. The incoming line and the outgoing line of the charging and discharging circuit are respectively connected with the first terminal and the second terminal, so that the tested button cell can be charged and discharged through the first electrode plate and the second electrode plate. If a NanoCycler button cell charge-discharge test system of Shanghai Hao Quantum photoelectric equipment Limited is adopted for charge-discharge operation, the incoming line and the outgoing line of a charge-discharge circuit are respectively connected into the X-ray diffractometer and are connected with the first terminal and the second terminal. The first terminal and the second terminal may be various terminals such as a plug-in terminal.
The utility model provides a sample frame for button cell normal position X-ray diffraction test has following beneficial effect:
1. the button cell can be adapted to button cells with different thicknesses and diameter models;
2. the X-ray diffractometer sample stage can be matched with a clamping type and a placing type;
3. when the clamping type X-ray diffractometer sample table is matched, after the button cell is installed, the electrode material in the button cell is basically flush with the upper surface of the pressing plate main body, namely flush with the testing surface of X-ray diffraction.
4. And the in-situ test of the charge and discharge of the button cell can be carried out by matching with the use of the electrode plate.
Drawings
Fig. 1 is a front view of a base plate member according to the present invention;
FIG. 2 is a front view of the platen member of the present invention;
FIG. 3 is a schematic view of the assembly of the substrate member and the platen member according to the present invention;
FIG. 4 is a schematic view of the substrate member and the platen member according to the present invention;
fig. 5 is a schematic view of the first electrode sheet and the second electrode sheet of the present invention;
reference numerals: the device comprises a substrate component (1), a substrate main body (11), a sample groove (12), a stud (13), a pressure plate component (2), a pressure plate main body (21), a central through hole (22), a stop block (23), a through hole (24), a button cell (3), a screw cap (4), a first electrode plate (5), a first terminal (51), a second electrode plate (6) and a second terminal (61);
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-5, a sample holder for button cell in-situ X-ray diffraction test comprises a base plate member 1 and a pressure plate member 2. Four corners of a substrate main body 11 of the substrate component 1 are provided with studs 13 with the length of 30mm, and the center is provided with a sample groove 12; with this arrangement, the stud 13 does not block incident X-ray and diffracted radiation during testing.
Four corners of a pressing plate main body 21 of the pressing plate component 2 are provided with through holes 24 matched with the studs 13 in position, the middle of the pressing plate main body 21 is provided with a central through hole 22 matched with the sample groove 12 in position, the pressing plate main body 21 is provided with three stop blocks 23 extending towards the center of the central through hole 22, the lower surfaces of the stop blocks 23 are 0.2mm higher than the upper surface of the pressing plate main body 21, and when the button cell 3 is clamped by the substrate component 1 and the pressing plate component 2, electrode materials in the button cell 3 are basically flush with the upper surface of the pressing plate main body 21. The unsettled length of dog 23 is 5mm, because button cell 3's positive negative pole area is different slightly, when the unsettled length of dog 23 makes test button cell 3 positive pole or negative pole, can both effectively support button cell 3 spacing.
The stud 13 passes through the through hole 24, and the pressing plate member 2 is fixed on the base plate member 1 by the nut 4, and the thickness of the base plate body 11 and the pressing plate body 21 is 5 mm. When the button cell 3 is in the sample groove 12 and the substrate body 11 is matched with the pressing plate body 21, the button cell 3 is pressed by the stop block 23; meanwhile, due to the existence of the stud 13, the sample holder can be adapted to button batteries 3 with different thicknesses. For the purpose of testing by injecting X-rays, a hole with the diameter of 14mm needs to be formed on the shell of the button cell 3, and the hole forming process can be performed before or after the button cell 3 is installed. If the sample platform of X-ray diffractometer is the centre gripping formula, this sample holder can be by convenient centre gripping, if the formula is directly placed to the sample platform of X-ray diffractometer, 1 bottoms of base plate component of this sample holder level, and convenient bonding is fixed.
The length of the platen main body 21 is 5cm longer than that of the substrate main body 11. Regardless of the thickness of the button cell 3, the sample stage of the X-ray diffractometer holds the portion of the pressure plate main body 21 beyond the base plate main body 11, thereby fixing the entire sample.
The non-clamping end of the substrate main body 11 is provided with a first terminal 51, the first terminal 51 is detachably connected with a first electrode plate 5, the non-clamping end of the pressing plate main body 21 is provided with a second terminal 61, and the second terminal 61 is detachably connected with a second electrode plate 6. The incoming line and the outgoing line of the charge and discharge circuit are respectively connected with the first terminal 51 and the second terminal 61, so that the test button cell 3 can be charged and discharged through the first electrode plate 5 and the second electrode plate 6. A NanoCycler button cell charge-discharge test system of Shanghai Hao quanta photoelectric equipment Limited company is adopted for charge-discharge operation, and the inlet wire and the outlet wire of a charge-discharge circuit of the charge-discharge test system are respectively connected into the X-ray diffractometer and are connected with a first terminal 51 and a second terminal 61. The first terminal 51 and the second terminal 61 are plug terminals.
The embodiment is only a single implementation manner of the present invention, and for those skilled in the art, other embodiments can be obtained according to the attached drawings without any creative effort, and are also within the protection scope of the present invention.
Claims (3)
1. A sample holder for button cell in-situ X-ray diffraction testing, characterized in that: comprises a substrate component (1) and a pressure plate component (2);
studs (13) with the length of 20-30mm are arranged at four corners of a substrate main body (11) of the substrate component (1), and a sample groove (12) is arranged in the center;
four corners of a pressing plate main body (21) of the pressing plate component (2) are provided with through holes (24) matched with the studs (13), the middle of the pressing plate main body (21) is provided with a central through hole (22) matched with the sample groove (12), the pressing plate main body (21) is provided with three stop blocks (23) extending towards the center of the central through hole (22), the lower surface of each stop block (23) is 0.2mm higher than the upper surface of the pressing plate main body (21), and the suspension length of each stop block (23) is 3-5 mm;
the stud (13) penetrates through the through hole (24) and fixes the pressing plate component (2) on the substrate component (1) through the nut (4), and the thickness of the substrate main body (11) and the thickness of the pressing plate main body (21) are 2-5 mm.
2. Sample holder for button cell in-situ X-ray diffraction tests according to claim 1, characterized in that the length of the platen body (21) is 2-5cm longer than the length of the substrate body (11).
3. The sample holder for the in-situ X-ray diffraction test of the button cell as claimed in claim 1, wherein a first terminal (51) is arranged at the non-clamping end of the substrate main body (11), a first electrode plate (5) is detachably connected to the first terminal (51), a second terminal (61) is arranged at the non-clamping end of the pressing plate main body (21), and a second electrode plate (6) is detachably connected to the second terminal (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921464005.4U CN210572049U (en) | 2019-09-04 | 2019-09-04 | Sample rack for button cell in-situ X-ray diffraction test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921464005.4U CN210572049U (en) | 2019-09-04 | 2019-09-04 | Sample rack for button cell in-situ X-ray diffraction test |
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| Publication Number | Publication Date |
|---|---|
| CN210572049U true CN210572049U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921464005.4U Active CN210572049U (en) | 2019-09-04 | 2019-09-04 | Sample rack for button cell in-situ X-ray diffraction test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022077973A (en) * | 2020-11-12 | 2022-05-24 | 邑流微測股▲ふん▼有限公司 | Coin battery testing device |
| TWI797650B (en) * | 2020-11-12 | 2023-04-01 | 邑流微測股份有限公司 | Coin battery testing device |
-
2019
- 2019-09-04 CN CN201921464005.4U patent/CN210572049U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022077973A (en) * | 2020-11-12 | 2022-05-24 | 邑流微測股▲ふん▼有限公司 | Coin battery testing device |
| TWI797650B (en) * | 2020-11-12 | 2023-04-01 | 邑流微測股份有限公司 | Coin battery testing device |
| JP7304920B2 (en) | 2020-11-12 | 2023-07-07 | 邑流微測股▲ふん▼有限公司 | Coin battery test equipment |
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