CN208588757U - A kind of atomic force microscope electrolytic cell and atomic force microscope - Google Patents
A kind of atomic force microscope electrolytic cell and atomic force microscope Download PDFInfo
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- CN208588757U CN208588757U CN201820988383.1U CN201820988383U CN208588757U CN 208588757 U CN208588757 U CN 208588757U CN 201820988383 U CN201820988383 U CN 201820988383U CN 208588757 U CN208588757 U CN 208588757U
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Abstract
The utility model relates to a kind of atomic force microscope electrolytic cell and atomic force microscope.The atomic force microscope electrolytic cell includes electrolytic cell ontology, it further include annular to electrode and sheet working electrode, support construction is provided on the inner wall of the side wall of electrolytic cell ontology, the support construction has is arranged the annular to the supporting surface of electrode under horizontal attitude, annular is arranged in the lower section of electrode in sheet working electrode parallel interval, the sense channel passed through when annular is formed in electro-chemical test to the centre bore of electrode for test probe.The electrolytic cell realizes that electrode and sheet working electrode is arranged in parallel in annular using support construction, in Electrochemical Detection, probe passes through annular and observes the surface topography of working electrode the centre bore of electrode, the movement of probe does not influence the position to electrode, effective, the reliable progress of detection process can be achieved, installation, convenient disassembly to electrode improve the efficiency of atomic force microscope electrochemical in-situ characterization.
Description
Technical field
The utility model belongs to field of electrochemical devices, and in particular to a kind of atomic force microscope electrolytic cell and atomic force
Microscope.
Background technique
In lithium ion battery manufacturing process, in the charging chemical conversion stage, the organic solvent in electrolyte is in electrode material table
Obtain reduction after electronics under the different potentials of face and form different free radical or anion, these free radicals or anion with by electric field
The lithium ion of driving diffusion will form multiple compounds after meeting and be deposited on electrode material surface, forms one layer and is covered in electricity
The insulating passivation layer of pole surface, i.e. solid electrolyte interface film (SEI film).SEI film has the cycle performance of battery, security performance
It has a major impact, in-situ characterization is carried out to the formation of SEI film, observe Evolution of Morphology of the SEI film in charge and discharge process, it is right
The formation theory for improving SEI film, the formation quality for improving SEI film play a significant role.
The tool for detecting electronic current and surface topography is mainly scanning probe microscopy comprising scanning tunneling microscope
(STM) and atomic force microscope (AFM), since SEI film is electronic body, application of the STM in terms of SEI film research has very much
Limit, AFM is can intuitively to observe interfacial reaction and pattern based on a kind of detection technique of active force between probe and sample
Variation.
Publication No. is that the patent application of CN103235158A discloses a kind of Electrochemical Atomic Force Microscopy probe carriage-electrolysis
Pool device, electrolytic cell include the bottom wall for placing working electrode under horizontal attitude, are equipped on the window of probe carriage pair
Electrode, by that will increase the area to electrode to electrode setting on window and be placed in parallel with working electrode, thus
Guarantee that working electrode surface field distribution is uniform, improves the stability and reliability of electrochemical detection.Electrolytic cell dress
It sets in use, working electrode is mounted on probe carriage, installation and removal are extremely inconvenient；And working electrode and probe carriage one
Body setting, affects respective movable independence, such as when needing replacing probe and being detected or need probe carriage mobile, works
Electrode, which is also forced, to be moved, and original electrochemical state is caused to be destroyed, and not only influences detection efficiency, but also influences whether to examine
Survey the accuracy of result.
Utility model content
The purpose of this utility model is to provide a kind of atomic force microscope electrolytic cells, to solve existing probe carriage-
The inconvenient problem of the working electrode installation of electrolytic cell device.
The utility model additionally provides a kind of atomic force microscope using above-mentioned electrolytic cell.
To achieve the above object, the technical scheme adopted by the utility model is
A kind of atomic force microscope electrolytic cell, including electrolytic cell ontology further include annular to electrode and sheet work electricity
Pole is provided with support construction on the inner wall of the side wall of electrolytic cell ontology, and the support construction has to be arranged under horizontal attitude
Annular is arranged in the lower section of electrode in the annular supporting surface to electrode, sheet working electrode parallel interval, and annular is to electrode
The sense channel that is passed through for test probe when being formed in electro-chemical test of centre bore.
Atomic force microscope electrolytic cell provided by the utility model realizes annular to electrode and sheet using support construction
Working electrode is arranged in parallel, and in Electrochemical Detection, probe passes through the annular centre bore to electrode to the surface shape of working electrode
Looks are observed, and the movement of probe does not influence to the position of electrode, it can be achieved that effective, the reliable progress of detection process, to electrode
Installation, convenient disassembly, improve atomic force microscope electrochemical in-situ characterization efficiency.
For the design of simplified support structure, convenient placement and extraction to electrode, it is preferred that the inner wall of the side wall
The annular inner convex platform of the inwardly protruding formation in lower end, the upper surface of annular inner convex platform forms the supporting surface.For work is preferably isolated
Electrode and to electrode avoids influencing each other between electrode reaction, and the supporting surface is at a distance from sidewall upper face no more than branch
Support face is at a distance from side wall lower ends face.
For the setting for simplifying electrolytic cell, it is preferred that sheet working electrode is sealingly mounted on the lower end surface of the side wall, piece
Shape working electrode and side wall surround the electrolytic cell ontology.
In order to avoid in electrochemical process, the conductive lead wire (such as copper wire) of working electrode occurs with touching to electrode
Short circuit can be arranged by the extraction location of conductive lead wire and avoid the above problem.Preferably, electrolytic cell ontology further includes bottom wall, institute
The through slot being provided on bottom wall for installing sheet working electrode is stated, the inner groove surface of through slot forms the peace of sealing installment work electrode
Dress face, the gap between the lower end surface and electrolytic cell support substrate of bottom wall form the conductive lead wire extraction electricity for sheet working electrode
Conductive path outside Xie Chi.
A kind of atomic force microscope, including test probe and electrolytic cell, electrolytic cell include electrolytic cell ontology, further include annular
To electrode and sheet working electrode, support construction, the support construction tool are provided on the inner wall of the side wall of electrolytic cell ontology
Have and the annular is set under horizontal attitude to the supporting surface of electrode, sheet working electrode parallel interval is arranged in annular to electrode
Lower section, the sense channel that annular is passed through for test probe when being formed in electro-chemical test to the centre bore of electrode.
The structure design of atomic force microscope provided by the utility model, electrolytic cell is simple, reasonable, to electrode, work electricity
Pole it is easy for installation, to working electrode, to the requirement of electrode when can meet electro-chemical test, the original position of SEI film can be suitable for
The test requirements documents such as characterization.
Preferably, the annular inner convex platform of the inwardly protruding formation in the lower end of the inner wall of the side wall, the upper end of annular inner convex platform
Face forms the supporting surface.It is further preferred that the supporting surface is not more than supporting surface and side wall at a distance from sidewall upper face
The distance of lower end surface.
Preferably, sheet working electrode is sealingly mounted on the lower end surface of the side wall, and sheet working electrode and side wall enclose
At the electrolytic cell ontology.
Preferably, electrolytic cell ontology further includes bottom wall, is provided on the bottom wall for installing the logical of sheet working electrode
Slot, the inner groove surface of through slot forms the mounting surface of sealing installment work electrode, between the lower end surface and electrolytic cell support substrate of bottom wall
Gap formed for sheet working electrode conductive lead wire draw electrolytic cell outside conductive channel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment 1 of the atomic force microscope of the utility model；
Fig. 2 is the structural schematic diagram of the embodiment 2 of the atomic force microscope of the utility model.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The embodiment 1 of the atomic force microscope of the utility model, structural schematic diagram is as shown in Figure 1, include test 1 He of probe
Electrolytic cell, electrolytic cell include polytetrafluoroethylene (PTFE) side wall 2 and bottom wall 3, in the inwardly protruding formation annular in the lower end of the inner wall of side wall 2
Boss 4, the upper surface of annular inner convex platform are formed for placing annular to the supporting surface of electrode 5, and the inner wall of side wall surrounds big mouth
The step pore structure of end upward.The osculum end that step pore structure is corresponded on bottom wall 3, which offers to seal for sheet working electrode 6, pacifies
The mounting groove of dress, the gap between the lower end surface and electrolytic cell support substrate (not shown) of bottom wall are formed for being connected to piece
Copper wire 7 on shape working electrode lower end surface stretches out the conductive channel outside electrolytic cell.
The embodiment 2 of the atomic force microscope of the utility model, structural schematic diagram is as shown in Fig. 2, include test 1 He of probe
Electrolytic cell, electrolytic cell include polytetrafluoroethylene (PTFE) side wall 2 and bottom wall, and bottom wall is sheet working electrode 6, (are not shown in figure by screw
Polytetrafluoroethylene (PTFE) side wall is fixed in substrate 8 out).Seal groove, seal groove are offered on the lower end surface of polytetrafluoroethylene (PTFE) side wall
Sealing ring 9 is inside installed so that polytetrafluoroethylene (PTFE) side wall and working electrode are formed and be tightly connected, the lower end surface of side wall forms sheet
The mounting surface of working electrode.
The annular inner convex platform 4 of the inwardly protruding formation in the lower end of the inner wall of side wall 2, the upper surface of annular inner convex platform, which is formed, to be used for
Annular is placed to the supporting surface of electrode 5, the inner wall of side wall surrounds the step pore structure of big opening end upward.The lower end of working electrode
Gap between face and substrate forms the conduction that the copper wire 7 for being connected on sheet working electrode lower end surface stretches out outside electrolytic cell
Channel.
In the other embodiments of the atomic force microscope of the utility model, it can be opened up in the circumferential direction of the inner wall of side wall
Then annular slot designs the annulus being adapted to annular slot, to realize the support to annular to electrode, annulus can further be set
Separate form is counted into, to facilitate the inserting and disassembly of annulus；The end face of annulus can be further designed to latticed porous structure, come
Facilitate the free flow of the liquid phase mediums such as electrolyte.
In the other embodiments of the atomic force microscope of the utility model, the lower end surface of bottom wall can be plane, by sheet
Working electrode is placed in the plane, and the installation of sheet working electrode can be completed.
The specific embodiment of the atomic force microscope electrolytic cell of the utility model, with electrolytic cell in atomic force microscope
Structure is identical, and this will not be detailed here.
Claims (10)
1. a kind of atomic force microscope electrolytic cell, including electrolytic cell ontology, which is characterized in that further include annular to electrode and piece
Shape working electrode, support construction is provided on the inner wall of the side wall of electrolytic cell ontology, and the support construction has in horizontal appearance
The annular is set to the supporting surface of electrode, annular is arranged in the lower section of electrode, ring in sheet working electrode parallel interval under state
The sense channel passed through when shape is formed in electro-chemical test to the centre bore of electrode for test probe.
2. atomic force microscope electrolytic cell as described in claim 1, which is characterized in that the lower end of the inner wall of the side wall
The annular inner convex platform of inwardly protruding formation, the upper surface of annular inner convex platform forms the supporting surface.
3. atomic force microscope electrolytic cell as claimed in claim 2, which is characterized in that the supporting surface and sidewall upper face
Distance no more than supporting surface at a distance from side wall lower ends face.
4. atomic force microscope electrolytic cell as described in claim 1, which is characterized in that sheet working electrode is sealingly mounted at
On the lower end surface of the side wall, sheet working electrode and side wall surround the electrolytic cell ontology.
5. atomic force microscope electrolytic cell as described in claim 1, which is characterized in that electrolytic cell ontology further includes bottom wall,
The through slot for installing sheet working electrode is provided on the bottom wall, the inner groove surface of through slot forms sealing installment work electrode
Mounting surface, the gap between the lower end surface and electrolytic cell support substrate of bottom wall form the conductive lead wire extraction for sheet working electrode
Conductive path outside electrolytic cell.
6. a kind of atomic force microscope, including test probe and electrolytic cell, electrolytic cell include electrolytic cell ontology, which is characterized in that
Further include annular to electrode and sheet working electrode, is provided with support construction on the inner wall of the side wall of electrolytic cell ontology, it is described
Support construction has is arranged the annular to the supporting surface of electrode under horizontal attitude, and the setting of sheet working electrode parallel interval exists
Annular leads to the lower section of electrode for testing the detection that probe passes through when annular is formed in electro-chemical test to the centre bore of electrode
Road.
7. atomic force microscope as claimed in claim 6, which is characterized in that the lower end of the inner wall of the side wall is inwardly protruding
Annular inner convex platform is formed, the upper surface of annular inner convex platform forms the supporting surface.
8. atomic force microscope as claimed in claim 7, which is characterized in that the supporting surface at a distance from sidewall upper face not
Greater than supporting surface at a distance from side wall lower ends face.
9. atomic force microscope as claimed in claim 6, which is characterized in that sheet working electrode is sealingly mounted at the side wall
Lower end surface on, sheet working electrode and side wall surround the electrolytic cell ontology.
10. atomic force microscope as claimed in claim 6, which is characterized in that electrolytic cell ontology further includes bottom wall, the bottom wall
On be provided with through slot for installing sheet working electrode, the inner groove surface of through slot forms the mounting surface of sealing installment work electrode,
Gap between the lower end surface and electrolytic cell support substrate of bottom wall forms the conductive lead wire extraction electrolytic cell for sheet working electrode
Outer conductive path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820988383.1U CN208588757U (en) | 2018-06-25 | 2018-06-25 | A kind of atomic force microscope electrolytic cell and atomic force microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820988383.1U CN208588757U (en) | 2018-06-25 | 2018-06-25 | A kind of atomic force microscope electrolytic cell and atomic force microscope |
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| CN208588757U true CN208588757U (en) | 2019-03-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111198178A (en) * | 2020-01-08 | 2020-05-26 | 中国科学院过程工程研究所 | Electrochemical in-situ online detection device and use method thereof |
| CN111413388A (en) * | 2020-03-20 | 2020-07-14 | 中国科学院化学研究所 | Electrochemical testing device and method for observing columnar lithium electrode by atomic force microscope |
| CN111431434A (en) * | 2020-03-16 | 2020-07-17 | 清华大学 | Pressing mechanism, piezoelectric driving motor and atomic force microscope |
| CN111693736A (en) * | 2020-06-22 | 2020-09-22 | 湘潭大学 | Section sample of lithium ion battery electrode plate for atomic force microscope characterization and preparation method thereof |
-
2018
- 2018-06-25 CN CN201820988383.1U patent/CN208588757U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111198178A (en) * | 2020-01-08 | 2020-05-26 | 中国科学院过程工程研究所 | Electrochemical in-situ online detection device and use method thereof |
| CN111431434A (en) * | 2020-03-16 | 2020-07-17 | 清华大学 | Pressing mechanism, piezoelectric driving motor and atomic force microscope |
| CN111413388A (en) * | 2020-03-20 | 2020-07-14 | 中国科学院化学研究所 | Electrochemical testing device and method for observing columnar lithium electrode by atomic force microscope |
| CN111413388B (en) * | 2020-03-20 | 2021-01-26 | 中国科学院化学研究所 | Electrochemical testing device and method for observing columnar lithium electrode by atomic force microscope |
| CN111693736A (en) * | 2020-06-22 | 2020-09-22 | 湘潭大学 | Section sample of lithium ion battery electrode plate for atomic force microscope characterization and preparation method thereof |
| CN111693736B (en) * | 2020-06-22 | 2023-05-12 | 湘潭大学 | Section sample of lithium ion battery electrode plate for atomic force microscope characterization and preparation method thereof |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 454191 Industrial Cluster Area, Jiaozuo City, Henan Province, Standardized Workshop Area on the North Side of Xinyuan Road, West Park Patentee after: Multi-fluorine New Energy Technology Co., Ltd. Address before: 454191 Henan Jiaozuo industrial agglomeration area, West Park, Xinyuan Road, north side of the standardization workshop. Patentee before: Duofuduo (Jiaozuo) Amperex Technology Limited |
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