CN217466745U - Sample stage device for characterization of scanning electron microscope of lead storage battery electrode plate - Google Patents
Sample stage device for characterization of scanning electron microscope of lead storage battery electrode plate Download PDFInfo
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- CN217466745U CN217466745U CN202220383858.0U CN202220383858U CN217466745U CN 217466745 U CN217466745 U CN 217466745U CN 202220383858 U CN202220383858 U CN 202220383858U CN 217466745 U CN217466745 U CN 217466745U
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Abstract
The utility model discloses a sample platform device for lead accumulator polar plate scanning electron microscope sign, including being used for installing scanning electron microscope sample testing area's sample box mounting platform to and place the sample on sample box mounting platform during the detection and place the box, sample box mounting platform top surface has and is used for placing the standing groove of box is placed to the sample, sample placement box top surface has and is used for placing the detection groove that waits to detect the sample. The utility model is simple in operation convenient, place box and gasket through the sample, steerable polar plate state of placing improves the convenience of measurement greatly.
Description
Technical Field
The utility model relates to a scanning electron microscope sample platform technical field, concretely relates to sample platform device for lead accumulator polar plate scanning electron microscope sign.
Background
The lead storage battery has higher working voltage in a water system battery system, wide use temperature range, good cycle life (cycle life is 300-5000 times), low cost and wide application. Composition of lead-acid battery: polar plate, baffle, casing, electrolyte, lead connecting strip, utmost point post etc.. The polar plate is divided into a positive plate and a negative plate, and both the positive plate and the negative plate are composed of a grid and active substances filled on the grid. During the charging and discharging process of the storage battery, the mutual conversion of electric energy and chemical energy is realized by the reaction of the active material of the polar plate and the sulfuric acid in the electrolyte. Typically, the active material on the positive plate is lead dioxide (PbO) 2 ) Dark brown; the active material on the negative plate is sponge pure lead (Pb) in a grey color. The morphological structure of the active substance of the polar plate has direct influence on the performance of the storage battery, and the low bonding strength of the active substance is easy to cause the softening and falling of the active substance, thereby causing the failure of the battery. Therefore, the characterization detection of the morphological structure of the active material of the plate can evaluate the performance and the service life of the storage battery.
The scanning electron microscope is a surface observation means which adopts an electron beam as a light source, and imaging is carried out by collecting signals generated after the electron beam and substances on the surface of a sample act, so that the scanning electron microscope becomes a very advanced sample surface characterization means due to extremely high magnification and image resolution. Meanwhile, an Electron Back Scattering Diffraction (EBSD) accessory equipped in a scanning electron microscope can obtain the structure and orientation information of the material, and has become an indispensable powerful tool for analyzing crystal materials, particularly metal materials and ceramic materials in recent years, and the EBSD accessory is one of essential analysis means in high-level papers, can be used for researching the morphology and components of positive and negative active substances, and observing the particle size, sphericity and the like of the material, and can also be used for observing the change of battery materials after analysis circulation, the change of battery core materials, the problem of abnormal points of the battery core materials and the like, and is widely applied in the field of lead storage batteries.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a SEM test sample platform device for detecting polar plate active material micro morphology structure, can be convenient to the quick system appearance of lead accumulator polar plate active material morphological structure sign.
The utility model provides a sample platform device for lead accumulator polar plate scanning electron microscope sign, including being used for installing scanning electron microscope sample testing area's sample box mounting platform to and place the sample on sample box mounting platform during the detection and place the box, sample box mounting platform top surface has and is used for placing the standing groove of box is placed to the sample, sample placement box top surface has and is used for placing the detection groove that detects the sample.
The active substance on the positive plate of the lead storage battery is PbO 2 (ii) a The active material on the negative plate is sponge Pb. The morphological structure of the active substance of the polar plate has direct influence on the performance of the storage battery, and the low bonding strength of the active substance is easy to cause the softening and falling of the active substance, thereby causing the failure of the battery. The active substance of the lead storage battery plate is detected by a scanning electron microscope to determine the morphological structure, so that whether the battery is qualified or not can be judged.
Further, the center of the bottom surface of the sample box installation platform is provided with a screw hole for installation.
Further, the top surface of the sample box installation platform is provided with 1 or 2 placing grooves, and each placing groove is used for placing one sample placing box.
Further, the top surface of the sample placing box is provided with 1-5 detection grooves.
Lugs convenient for taking and placing are arranged at the two axial ends of the sample placing box, and a taking hole is formed in each lug; after the sample placing box is placed in the placing groove, the lug is positioned outside the placing groove.
Preferably, the mouth of the placing groove is provided with a circle of chamfered edge.
The scanning electron microscope sample stage further comprises a gasket which is used for being placed in the detection groove in a cushioning mode when the scanning electron microscope sample stage is used, the width of the gasket is matched with the width of the detection groove, and the thickness of the gasket is 0.1-0.2 mm.
When the gasket can control the polar plate state of placing, unite above-mentioned a plurality of detection grooves, once can detect multiple sample simultaneously, can not the compounding, and convenient measurement.
The utility model has the advantages that:
the operation is simple and convenient, the placing state of the polar plate can be controlled through the sample placing box and the gasket, and the convenience of measurement is greatly improved.
Drawings
Fig. 1 is a top view of a sample stage apparatus.
Fig. 2 is a cross-sectional front view of the present invention.
Fig. 3 is a front view of the sample placement cartridge.
Fig. 4 is a top view of the sample placement cartridge.
FIG. 5 is a schematic view of a gasket.
The labels in the figure are: 1-a sample cartridge mounting platform; 2-a lug; 3-taking a hole; 4-detecting the groove; 5-placing the groove; 6-a sample placement box; 7-chamfering edges; 8-screw holes; 9-shim, h is the thickness of the shim.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 4, a sample stage device for characterization of a scanning electron microscope of a lead storage battery electrode plate comprises a sample box mounting platform 1 for mounting to a scanning electron microscope sample detection area and a sample placing box 6 placed on the sample box mounting platform during detection, wherein a placing groove 5 for placing the sample placing box is formed in the top surface of the sample box mounting platform 1, and a detection groove 4 for placing a sample to be detected is formed in the top surface of the sample placing box 6.
The center of the bottom surface of the sample box mounting platform 1 is provided with a screw hole 8 for mounting, so that the sample box mounting platform can be fixed.
The top surface of the sample box mounting platform is provided with 1 or 2 placing grooves 5, and each placing groove 5 is used for placing one sample placing box 6. The top surface of the sample placing box 6 is provided with 1-5 detection grooves 4.
The sample placing box is a group, a plurality of samples can be made simultaneously, and the work efficiency is high.
The two axial ends of the sample placing box 6 are provided with lugs 2 convenient for taking and placing, and the lugs 2 are provided with taking holes 3; after the sample placing box 6 is placed in the placing groove 5, the lug 2 is positioned outside the placing groove 5. The opening of the placing groove 6 is provided with a circle of chamfered edge 7.
The arrangement of the lug, the taking and placing hole and the chamfering edge enables the operation of placing the sample placing box into the placing groove to be simple and convenient.
The sample stage device also comprises a gasket 9 which is used for being placed in the detection groove 4 in a cushioning mode when the sample stage device is used, the width of the gasket 9 is matched with the width of the detection groove 4, and the thickness h of the gasket is 0.1-0.2 mm.
When the gasket can control the polar plate state of placing, combine above-mentioned a plurality of detection grooves, once can detect many samples simultaneously, and can not the compounding, improve measuring convenience greatly.
The utility model discloses during the use, to wait to detect the sample and place in detecting groove 4, and wait to detect the state of placing of sample with gasket 9 control, then place in the sample places box 6, place getting hole 3 on the box 6 both ends lug 2 through the sample, place box 6 with the sample and place in standing groove 5, lug 2 was located outside standing groove 5 this moment, and standing groove 6's oral area was equipped with round chamfer limit 7, sharp limit has been got rid of, make things convenient for the sample box to place the box and put into the standing groove, at last have screw 8 that is used for the installation with sample box mounting platform 1 through the bottom surface center and install on the sample pedestal, can detect lead accumulator plate active material.
The description of the embodiments is merely intended to illustrate the embodiments of the present invention and the scope of the present invention should not be construed as limited to the specific forms set forth in the examples, but rather the scope of the present invention includes equivalent technical means which can be conceived by those skilled in the art based on the present invention.
Claims (7)
1. The utility model provides a sample platform device for lead accumulator polar plate scanning electron microscope sign, its characterized in that, is including being used for installing the sample box mounting platform in scanning electron microscope sample testing area to and place the sample on sample box mounting platform during the detection and place the box, sample box mounting platform top surface has and is used for placing the standing groove of sample placement box, sample placement box top surface has and is used for placing the detection groove of waiting to detect the sample.
2. Sample stage device according to claim 1, wherein the sample cartridge mounting platform has a screw hole in the centre of its bottom surface for mounting.
3. The sample stage apparatus of claim 1, wherein the top surface of the sample cartridge mounting platform is provided with 1 or 2 placement slots, each for placement of a sample placement cartridge.
4. The sample stage device of claim 1, wherein the top surface of the sample placement box is provided with 1-5 detection grooves.
5. The sample stage apparatus of claim 1, wherein the sample placing box is provided with lugs at two axial ends for easy access, and the lugs are provided with access holes; after the sample placing box is placed in the placing groove, the lug is positioned outside the placing groove.
6. Sample table device according to claim 1, characterized in that the mouth of the placement groove is provided with a round chamfered edge.
7. The sample stage device according to claim 1, further comprising a spacer for placing in the detection groove when in use, wherein the width of the spacer is adapted to the width of the detection groove, and the thickness of the spacer is 0.1-0.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220383858.0U CN217466745U (en) | 2022-02-24 | 2022-02-24 | Sample stage device for characterization of scanning electron microscope of lead storage battery electrode plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220383858.0U CN217466745U (en) | 2022-02-24 | 2022-02-24 | Sample stage device for characterization of scanning electron microscope of lead storage battery electrode plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217466745U true CN217466745U (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220383858.0U Active CN217466745U (en) | 2022-02-24 | 2022-02-24 | Sample stage device for characterization of scanning electron microscope of lead storage battery electrode plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217466745U (en) |
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2022
- 2022-02-24 CN CN202220383858.0U patent/CN217466745U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230419 Address after: 313199 No.5-908, Changhe Road, Huaxi Street, Changxing County, Huzhou City, Zhejiang Province Patentee after: Changxing Taibo Intellectual Property Service Co.,Ltd. Address before: 313100 Meishan Town Industrial Park, Changxing County, Huzhou City, Zhejiang Province Patentee before: TIANNENG BATTERY GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right |