CN206892189U - A kind of clamping device for testing solid electrolyte electrical conductivity - Google Patents
A kind of clamping device for testing solid electrolyte electrical conductivity Download PDFInfo
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- CN206892189U CN206892189U CN201720812470.7U CN201720812470U CN206892189U CN 206892189 U CN206892189 U CN 206892189U CN 201720812470 U CN201720812470 U CN 201720812470U CN 206892189 U CN206892189 U CN 206892189U
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- stud
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- collector
- lower disc
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Abstract
The utility model discloses a kind of clamping device for testing solid electrolyte electrical conductivity, the clamping device is made up of stud cross bar 101, stud 102, upper disk 103, lower disc 108, upper collector 104, next part fluid 105, side stand 106, load sensor 107.Stud 102 is by being thread through upper disk 103, vertically opposite with lower disc 108, upper collector 104 is located at the bottom position of stud 102, and next part fluid 105 is located at the top of load sensor 107, upper lead 109 is drawn from the upper upper end of collector 104, and lower lead 110 is drawn from the side of next part fluid 105.Clamping device of the present utility model can utilize stud fastening electrolyte sheet, ensure that sample and collector contact are good in test process, measure the pressure that electrolyte sheet is subject to indirectly using load sensor simultaneously, exclude influence of the tightness to electrolyte sheet testing impedance.For existing measuring technology, simplify solid electrolyte electrical conductivity test process, and improve the accuracy of test result.
Description
Technical field
The utility model belongs to solid electrolyte electrochemical property test technical field, and in particular to one kind is used to test admittedly
The clamping device of body electrolytic conductivity, electrical conductivity test process can be simplified.
Background technology
Solid electrolyte refers to there is high ionic conductivity in specific range of temperatures, and the fast ion of low electronic conductivity is led
There is the defects of a large amount of in body, the material internal, form the passage for being adapted to ion transmission.Compared to traditional organic electrolyte, Gu
The maximum advantage of body electrolyte is can thoroughly solve the safety issue of lithium ion battery.Solid electrolyte material needs
What is met requires to include：1）Ionic conductivity is high, and transference number of ions is big, suppresses concentration polarization of the battery in discharge and recharge；2）
0-5V electrochemical stability window；3）Chemical stability, heat endurance are good, and battery security in certain temperature range is good；4）
Compared to ionic conductivity, the electronic conductivity size of material can be ignored.Wherein ionic conductivity is to weigh solid electrolyte
One of most important index.Ionic conductivity is higher, and the ionic conduction performance of electrolyte is stronger.Usually using Allan Buddhist nun crow
This formula represents the electrical conductivity of solid electrolyte material, and temperature is higher, the ionic conductivity of material is bigger.Test electrolysis material
Expect the electrical conductivity under different temperatures, the activation energy needed for the conduction of material intermediate ion can be obtained with fitting data.
Conductivity test method mainly includes the end leads method of direct current four and ac impedance technology.The end leads method of direct current four its
Essence is to utilize voltammetry test material all-in resistance；Ac impedance technology is to utilize to apply a changeable frequency on test system
Sine voltage or electric current perturbation, test the frequency response of its impedance, obtain the ginseng at corresponding solid electrolyte material and interface
Number.Then by being fitted impedance spectrum, by the electrical conductivity that electrolyte is calculated.Compared to direct current method, AC impedance skill
Art can pass through the contribution of the crystal grain in the curved section differentiation electrolyte under different frequency, crystal boundary and electrode.
The existing operating method using electrochemical workstation test material electrical conductivity, typically from electrochemical workstation
Lead both ends are drawn, are connected respectively with the both ends of solid electrolyte sheet.Solid electrolyte sheet and lead need to ensure good connect
Touch, just can guarantee that the accuracy of test.In order to carry out both good contacts, it is necessary to first on solid electrolyte sheet brush or
Person plates noble metal as collector, then puts wire again, finally, it is solid to brush or plate again noble metal slurry on wire
Determine wire, wire is drawn to be connected with the both ends lead of electrochemical workstation.So, the complexity of test job is added, is extended
It is experimental period, to test job unfavorable.
Utility model content
The purpose of the utility model embodiment is for test job in the prior art is complicated, the cycle is long, test is not smart enough
True insufficient and a kind of detection solid electrolyte electrical conductivity of offer clamping device, utilizes clamping device stud to fasten electrolyte
Piece, and the holding power that be subject to of electrolyte sheet after fastening can be shown by load sensor, indirect reaction electrolyte sheet by
Clamping device pressure, on the premise of electrolyte sheet and collector good contact is ensured, real-time display electrolyte sheet by
Holding power, can exclude influence of the clamping device pressure to measurement, reduce test error, improve measuring accuracy, and have
It is easy to operate, resistant to elevated temperatures feature.
Realizing the concrete technical scheme of the utility model purpose is：
A kind of clamping device for testing solid electrolyte electrical conductivity, the clamping device 1 is by stud cross bar 101, stud
102nd, upper disk 103, upper collector 104, next part fluid 105, side stand 106, load sensor 107, lower disc 108, on draw
Line 109, lower lead 110 form；Wherein,
Circular hole of the stud cross bar 101 horizontal through the top of stud 102；
The stud 102 is connected with upper disk 103 through manner by screw thread, in coaxial fashion end with it is upper
Collector 104 connects；
The fixing end of upper lead 109 is connected on collector 104, and free end passes through the center of stud 102 and upper circle
Disk 103, for being connected with electrochemical workstation；
The side stand 106 includes three sub-stents for being in 120 degree of angles, and the upper disk 103 of the connection of side stand 106 is with
Disk 108, upper disk 103 and lower disc 108 are vertically opposite；
The load sensor 107 is fixed on lower disc 108 and hit exactly；
The next part fluid 105 is fixed in the groove that load sensor 107 is outputed upwards, vertical with upper collector 104
Relatively；
The fixing end of lower lead 110 is connected on next part fluid 105, and free end is from the side of the groove of load sensor 107
Drawn in hole, for being connected with electrochemical workstation 5.
In such scheme, the clamping device also includes bolt 111；Four through holes are arranged at the bottom of lower disc 108；It is described
Four screws are arranged at the bottom of load sensor 107；
The load sensor 107 is fixed on lower disc 108 and hit exactly, further for the bolt 111 passes through lower disc
Four through holes of 108 bottoms are connected with the screw of the bottom of load sensor 107.
In such scheme, the upper collector 104, next part fluid 105, upper lead 109 and lower lead 110 using silver, copper,
One kind in gold or aluminium is made.
In such scheme, the stud 102 is using a kind of system in aluminum oxide, polytetrafluoroethylene (PTFE), polypropylene or polyamide
Into.
The beneficial effects of the utility model are：
（1）Clamping device of the present utility model using stud fastening test sample, ensure test process in electrolyte sheet and
Collector contact is good, while measures the pressure that electrolyte sheet is subject to indirectly using load sensor, excludes different tightness
Influence to electrolyte sheet testing impedance, improve measuring accuracy.
（2）The clamping device uses non-conducting material, and additional impedance is small, reduces test error.
（3）Clamping device of the present utility model can be resistant to more than 150 degree of high temperature test, and Range of measuring temp is wide.
（4）Clamping device of the present utility model, which can save, to be brushed in test sample surface or plates collector and draw lead
Experimental procedure, it is easy to operate.
（5）Clamping device of the present utility model is adapted to the test of the different radii obtained after same mould tabletting is fired
Sample.
Brief description of the drawings
Fig. 1 is electrolyte sheet clamping device structural representation of the present utility model；
Fig. 2 is structural blast view of the present utility model；
Fig. 3 is test mode schematic diagram of the present utility model.
Description of reference numerals：
1- clamping devices；101- stud cross bars；102- studs；The upper disks of 103-；The upper collectors of 104-；105- lower headers
Body；106- side stands；107- load sensors；108- lower discs；The upper leads of 109-；Lead under 110-；111- bolts；2- is electrolysed
Matter piece；3- heating furnaces；4- read out instruments；5- electrochemical workstations.
Embodiment
By reference to one exemplary embodiment, present invention problem, technical scheme and advantage will be illustrated.However, this
Invention is not limited to one exemplary embodiment as disclosed below；It can be realized by multi-form.Specification
Essence be only to aid in various equivalent modifications Integrated Understanding the present invention detail.
Processing when the utility model is for electrochemical workstation test material electrical conductivity in the prior art to electrolyte sheet
Work and propose.During the testing impedance of electrolyte sheet, it should ensure that the good of connection is more accurately tested to obtain
Data, reduce test error as much as possible again, improve measuring accuracy, meanwhile, also to make test simple and easy to do, easily operation.
Therefore, the utility model designs and is prepared for a kind of clamping device of new test solid electrolyte electrical conductivity, below by
Specific embodiment is further explained to the utility model.
Present embodiments provide a kind of clamping device for testing solid electrolyte electrical conductivity.Fig. 1 is implemented for the utility model
The electrolyte sheet clamping device structural representation of example.Fig. 2 is the structural blast view of the utility model embodiment.
As depicted in figs. 1 and 2, the clamping device 1 of test solid electrolyte electrical conductivity of the present utility model, for clamping electricity
Solve matter piece 2.Including stud cross bar 101, stud 102, upper disk 103, upper collector 104, next part fluid 105, side stand 106,
Load sensor 107, lower disc 108, upper lead 109, lower lead 110 and the bolt for continuous load sensor 107
111。
The upper part of the clamping device 1, for stud cross bar 101 horizontal through the circular hole on the top of stud 102, stud 102 is logical
Cross and be threadedly coupled and pass through upper disk 103, coaxially connected with upper collector 104, the upper lead 109 is passed through in stud 102
The heart and upper disk 103, for being connected with electrochemical workstation 5.
The lower part of the clamping device 1, four through holes and load sensor that bolt 111 passes through the bottom of lower disc 108
The screw connection of 107 bottoms, load sensor 107 is fixed in lower disc 108 and hit exactly.
Next part fluid 105 is fixed in the groove of load sensor 107, vertically opposite with upper collector 104, is drawn under described
Line 110 is drawn in the side opening of groove, for being connected with electrochemical workstation 5.
The center section of the clamping device 1, side stand 106 include three sub-stents for being in 120 degree of angles, in connection
Disk 103 and lower disc 108, the wherein bottom surface of side stand 106 and the bottom surface of lower disc 108 are coplanar.
As shown in figure 1, the use state of the utility model clamping electrolyte sheet is that electrolyte sheet 2 is placed on load sensor
On next part fluid 105 in 107 grooves.Stud cross bar 101 is rotated, stud 102 is moved down supreme collector contact electrolysis
The upper surface of matter piece 2, continues to be rotated up and is completely tightened among collector 104 and next part fluid 105.
Fig. 3 is test mode schematic diagram of the present utility model.Clamping device 1 of the present utility model is used as shown in figure 3, working as
When clamping the test of the progress electrical conductivity of electrolyte sheet 2, the clamping device 1 for being clamped with solid electrolyte sheet 2 is placed in heating furnace 3
In, the load sensor of the clamping device 1 is connected with read out instrument 4, by the upper lead of clamping device 1 and lower lead with
Electrochemical workstation 5 connects.
Testing impedance：From room temperature to 150 DEG C or so temperature for setting gradually heating furnace of high temperature, pass through electrochemical workstation 5
The impedance curve for the electrolyte sheet 2 tested under different temperatures.The electricity under different temperatures can be obtained according to the fitting of impedance curve
Solve ionic conductivity corresponding to matter piece 2.
Upper collector 104 of the present utility model, next part fluid 105, upper lead 109, lower lead 110 can use electrical conductivity compared with
Prepared by high metal material, such as silver, copper, gold, aluminium etc., to ensure that good electronics conducts.
To realize good interracial contact, one layer of silver paste is brushed before testing impedance on the upper and lower surface of electrolyte sheet 2, and
Carrying out heat treatment at the corresponding temperature solidifies silver paste.
To avoid introducing additional impedance, the stud 102 in clamping device is using insulation, and machining property is good, tolerance 150
DEG C the material of high temperature prepare, such as aluminum oxide, polytetrafluoroethylene (PTFE), polypropylene, polyamide etc..
The groove diameter of load sensor 107 and the compression mold diameter of electrolyte sheet 2 are consistent, to ensure different receipts
The electrolyte sheet 2 of shrinkage can be put into the clamping device 1 and carry out testing impedance.
The solid electrolyte holder for x-ray film of the present embodiment, test sample is fastened using stud, ensures sample in test process
Product and collector contact are good, while measure the pressure that electrolyte sheet is subject to indirectly using load sensor, exclude different fastenings
Influence of the degree to electrolyte sheet testing impedance, improve measuring accuracy；The clamping device uses non-conducting material, additional impedance
It is small, reduce test error；The clamping device can be resistant to more than 150 degree of high temperature test, and Range of measuring temp is wide；Meanwhile
It can save and plate platinum layer in test sample surface and draw the experimental procedure of platinum filament, it is easy to operate, same mould can also be adapted to
The test sample for the different radii that tabletting obtains after firing.
Claims (4)
- A kind of 1. clamping device for testing solid electrolyte electrical conductivity, it is characterised in that the clamping device（1）By stud cross bar （101）, stud（102）, upper disk（103）, upper collector（104）, next part fluid（105）, side stand（106）, loading sensing Device（107）, lower disc（108）, upper lead（109）, lower lead（110）Composition；Wherein,The stud cross bar（101）Horizontal through stud（102）The circular hole on top；The stud（102）By screw thread through manner with upper disk（103）Connection, in coaxial fashion end with it is upper Collector（104）Connection；The upper lead（109）Fixing end is connected to collector（104）On, free end passes through stud（102）Center and on Disk（103）, for being connected with electrochemical workstation；The side stand（106）Including three sub-stents for being in 120 degree of angles, side stand（106）Disk in connection（103）With Lower disc（108）, upper disk（103）And lower disc（108）It is vertically opposite；The load sensor（107）It is fixed on lower disc（108）Center；The next part fluid（105）It is fixed on load sensor（107）In the groove outputed upwards, with upper collector（104）Hang down It is straight relative；The lower lead（110）Fixing end is connected to next part fluid（105）On, free end is from load sensor（107）Groove Drawn in side opening, for being connected with electrochemical workstation 5.
- 2. clamping device according to claim 1, it is characterised in that the clamping device also includes bolt（111）；It is described Lower disc（108）Four through holes are arranged at bottom；The load sensor（107）Four screws are arranged at bottom；The load sensor（107）It is fixed on lower disc（108）Center, is further the bolt（111）Pass through lower disc （108）Four through holes and load sensor of bottom（107）The screw connection of bottom.
- 3. clamping device according to claim 1, it is characterised in that the upper collector（104）, next part fluid（105）、 Upper lead（109）With lower lead（110）It is made of one kind in silver, copper, gold or aluminium.
- 4. clamping device according to claim 1, it is characterised in that the stud（102）Using aluminum oxide, polytetrafluoroethyl-ne One kind in alkene, polypropylene or polyamide is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720812470.7U CN206892189U (en) | 2017-07-06 | 2017-07-06 | A kind of clamping device for testing solid electrolyte electrical conductivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720812470.7U CN206892189U (en) | 2017-07-06 | 2017-07-06 | A kind of clamping device for testing solid electrolyte electrical conductivity |
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| Publication Number | Publication Date |
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| CN206892189U true CN206892189U (en) | 2018-01-16 |
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| CN201720812470.7U Active CN206892189U (en) | 2017-07-06 | 2017-07-06 | A kind of clamping device for testing solid electrolyte electrical conductivity |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112051308A (en) * | 2020-08-28 | 2020-12-08 | 哈尔滨师范大学 | Ion conductivity measurement clamp and measurement method for solid/liquid electrolyte |
| CN113484782A (en) * | 2021-07-22 | 2021-10-08 | 北京理工大学 | Clamp for testing and testing system and method |
-
2017
- 2017-07-06 CN CN201720812470.7U patent/CN206892189U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112051308A (en) * | 2020-08-28 | 2020-12-08 | 哈尔滨师范大学 | Ion conductivity measurement clamp and measurement method for solid/liquid electrolyte |
| CN112051308B (en) * | 2020-08-28 | 2023-09-15 | 哈尔滨师范大学 | Ion conductivity measuring clamp and measuring method for solid/liquid electrolyte |
| CN113484782A (en) * | 2021-07-22 | 2021-10-08 | 北京理工大学 | Clamp for testing and testing system and method |
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