CN110398690A - Three electrode testing devices - Google Patents
Three electrode testing devices Download PDFInfo
- Publication number
- CN110398690A CN110398690A CN201810362272.4A CN201810362272A CN110398690A CN 110398690 A CN110398690 A CN 110398690A CN 201810362272 A CN201810362272 A CN 201810362272A CN 110398690 A CN110398690 A CN 110398690A
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- Prior art keywords
- battery core
- main component
- fixing piece
- electrode
- testing device
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of three electrode testing devices, three electrode testing device includes: main component, battery core fixing piece and reference electrode component, accommodation space is formed in the main component, the battery core fixing piece is arranged in fix the battery core being arranged in accommodation space on the main component, the reference electrode component pass through the main component and with the electrolyte contacts in the accommodation space.Three electrode testing device according to an embodiment of the present invention to make three electrode testing devices convenient for dismantling assembling, and then is conveniently replaceable positive/negative plate, reference electrode component by the way that battery core fixing piece is arranged.
Description
Technical field
The present invention relates to new energy car batteries to research and develop field, in particular to a kind of three electrode testing devices.
Background technique
In the related technology, the internal or external lithium reference electrode of lithium battery facilitates during its cycle charge-discharge of real-time monitoring
Positive and negative anodes potential change is mainly used for the positive and negative electrode potential matching screening of research and development of products stage and Battery Diagnostic and analysis.Lithium reference
Electrode, which is internal or external at finished battery and is monitored, generally requires the series of processes such as lamination, preliminary filling, chemical conversion or dismantling, makes
At the consumption of plenty of time and material.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes one kind just
In dismantling assembling, good airproof performance, it is conveniently replaceable positive/negative plate, convenient for directly observation charge and discharge process, reference metal and accurate
Three electrode testing devices of the advantages that monitoring positive and negative anodes potential change.
Three electrode testing device according to the present invention includes: main component, battery core fixing piece and reference electrode component, the master
Accommodation space is formed in body part, the electricity on the main component will be arranged in accommodation space is arranged in the battery core fixing piece
Core is fixed, the reference electrode component pass through the main component and with the electrolyte contacts in the accommodation space.
Three electrode testing device according to an embodiment of the present invention, by the way that battery core fixing piece is arranged, to make three electrode tests
Device is conveniently replaceable positive/negative plate, reference electrode component convenient for dismantling assembling.
In some embodiments, mounting hole is provided on the main component, the battery core fixing piece includes: outer cover and compression
Block, the outer cover are fixed on the main component, and the compact heap is connected with the outer cover and passes through the mounting hole with will be electric
Core is fixed.
In some embodiments, it is connected between the outer cover and the compact heap by elastic component.
In some embodiments, the mounting hole includes two be opposite to each other；
The battery core fixing piece includes: the first battery core fixing piece and the second battery core fixing piece, the first battery core fixing piece
In compact heap and the second battery core fixing piece in compact heap be each passed through corresponding mounting hole with by the accommodation space
In battery core compress.
In some embodiments, it is sealed between the outer cover and the mounting hole by first seal.
In some embodiments, the second sealing optionally is provided between the reference electrode component and the main component
Part.
In some embodiments, the reference electrode component includes: insulation tube, and reference electricity is provided in the insulation tube
Pole is provided with the conductor being connected with the reference electrode on the inside of the insulation tube.
In some embodiments, the insulation tube at least partly deformation occurs with by insulation tube space and it is extraneous every
From.
In some embodiments, observation port is additionally provided on the main component；
Three electrode testing device further include: observation window, the observation window are Transparent Parts and are arranged in the main component
On the observation port to be sealed.
In some embodiments, it is additionally provided with gas-liquid on the main component and adjusts passway, the gas-liquid adjusts passway
It is provided with third sealing element.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the partial resolution figure of three electrode testing device according to an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of main component according to an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of reference electrode component according to an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of observation window according to an embodiment of the present invention；
Fig. 5 is the installation diagram of three electrode testing device according to an embodiment of the present invention.
Appended drawing reference:
Three electrode testing devices 100；
Main component 1；Mounting hole 11；Observation port 12；Gas-liquid adjusts passway 13；Third sealing element 14；
Battery core fixing piece 2；First battery core fixing piece 21；Second battery core fixing piece 22；Outer cover 201；Compact heap 202；Elasticity
Part 203；First seal 204；
Reference electrode component 3；Insulation tube 31；Third sealing element 32；Conductor 33；Reference electrode 34；
Observation window 4.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
Three electrode testing devices 100 are for the positive and negative electrode potential matching screening of research and development of products stage and Battery Diagnostic and analysis.
The specific structure of three electrode testing device 100 according to an embodiment of the present invention is described referring to Fig. 1-Fig. 5, is such as schemed
Shown in 1- Fig. 5, three electrode testing device 100 according to an embodiment of the present invention includes: main component 1, battery core fixing piece 2 and reference electricity
Pole component 3.
As shown in Figure 1, Figure 2 and shown in Fig. 5, accommodation space is formed in main component 1, battery core fixing piece 2 is arranged on main component 1
The battery core being arranged in accommodation space to be fixed, reference electrode component 3 pass through main component 1 and with the electrolyte in accommodation space
Contact.
The use process of three electrode testing devices 100: battery core being put into the accommodation space of main component 1, be passed through electrolyte,
Battery core fixing piece 2 is fixed into battery core, reference electrode component 3 is threaded through in main component 1, starts to test.
In some embodiments, main component 1 can be made of insulating ceramic materials, the main component 1 of insulating ceramic materials
It can satisfy test request, and easily manufactured and intensity is high, the performance of main component 1 can be made more preferable.
Three electrode testing device 100 according to an embodiment of the present invention, by the way that battery core fixing piece 2 is arranged, to make three electrodes
Test device 100 is conveniently replaceable positive/negative plate, reference electrode component 3 convenient for dismantling assembling.
Some specific embodiments according to an embodiment of the present invention are described referring to Fig. 1-Fig. 5.
In some embodiments, as depicted in figs. 1 and 2, mounting hole 11 is provided on main component 1, battery core fixing piece 2 wraps
Include: outer cover 201 and compact heap 202, outer cover 201 are fixed on main component 1, and compact heap 202 is connected with outer cover 201 and passes through installation
Hole 11 is to fix battery core.Battery core fixing piece 2 is designed to the form of outer cover 201 Yu compact heap 202, battery core fixing piece can be made
2 are easily installed on main component 1, and in the assembly of three electrode testing devices 100, convenient for battery core to be pressed on to the appearance of main component 1
It receives in space.
In some instances, positive and negative anodes junction is also provided on outer cover 201, the positive and negative anodes of battery core can be by positive and negative
Pole junction exports three electrode testing devices 100.
In some embodiments, it is connected between outer cover 201 and compact heap 202 by elastic component 203.Elastic component 203 is set
Meter can make compression effect of the battery core in the main body more preferable, it is ensured that positive and negative anodes and diaphragm be in always impaction state and
It is adapted to the positive and negative anodes and diaphragm material of unlike material thickness.Optionally, elastic component 203 can be spring, due to spring system
Make it is at low cost, it is easily manufactured.
As depicted in figs. 1 and 2, mounting hole 11 may include two be opposite to each other, and battery core fixing piece 2 includes: the first electricity
Core fixing piece 21 and the second battery core fixing piece 22, compact heap 202 and the second battery core fixing piece 22 in the first battery core fixing piece 21
In compact heap 202 be each passed through corresponding mounting hole 11 with by accommodation space battery core compress.
Specifically, the first battery core fixing piece 21 and a mounting hole 11 cooperate, the second battery core fixing piece 22 and another peace
It fills hole 11 to cooperate, battery core is clamped in main component to two battery core fixing pieces 2 by two mounting holes 11 of face on main component 1 respectively
In accommodation space inside 1.Mounting hole 11 is designed as two of face, can make the structure of main component 1 can be symmetrical with two sides,
Facilitate production, and preferably battery core can be pressed in intersubjective accommodation space.
In some embodiments, as shown in Figure 1, being sealed between outer cover 201 and mounting hole 11 by first seal 204,
To sealing of the realization body part 1 at mounting hole 11, guarantee internal isolation air and moisture.
In some embodiments, as shown in Figure 1 and Figure 4, selectively it is arranged between reference electrode component 3 and main component 1
There is second seal, so that sealing of the realization body part 1 at reference electrode 31, guarantees isolation air and moisture.
In some instances, reference electrode component 3 can realize reference electrode group on main component 1 by way of plug
Installation or removal of the part 3 on main component 1, when reference electrode component 3 is inserted in the junction of reference electrode component 3 Yu main component 1
When, second seal is used to seal the junction of reference electrode component 3 Yu main component 1, and realization body part 1 is at reference electrode 31
Sealing, the installation or removal of reference electrode component 3 are realized by way of plug, can be convenient to reference electrode 31 more
It changes.
In some instances, second seal can be environmentally-friendly transparent glue, connect when by reference electrode component 3 and main component 1
After connecing, reference electrode component 3 can be lived using environmentally-friendly transparent gluing and the junction of main component 1 is sealed, such reference electricity
Pole component 3 is easy to connect with main component 1, and can achieve preferable leakproofness.
In some embodiments, as shown in figures 1 and 3, reference electrode component 3 can also include: insulation tube 31, insulation tube
It is provided with reference electrode in 31, the inside of insulation tube 31 is provided with (such as the nickel-clad copper of conductor 33 being connected with reference electrode 34
Piece), in this way, being arranged reference electrode 34 in insulation tube 31, the reference electrode of production is disposable.
In some embodiments, insulation tube 31 at least partly deformation occurs with by insulation tube 31 space and it is extraneous every
From, specifically, can make in such a way that thermoplastic seals insulation tube 31 with the deformation of the junction of conductor 33, to make insulation tube 31
It seals with the junction of conductor 33, is connected in the other end and main component 1 of insulation tube 31, to make the reference gold in insulation tube 31
Category can be tested with the electrolyte contacts in main component 1, since reference electrode 34 can be the stronger gold of metal active degree
Belong to (such as lithium metal), the deformation of insulation tube 31 can be contacted with effective protection reference electrode 34 with the external world, prevent reference electrode 34
It is reacted with extraneous oxygen etc., and then guarantees being normally carried out for test.
Specifically, when reference electrode 34 is placed in insulation tube 31, in one end that insulation tube 31 is connect with main component 1,
Reference electrode 34 can not beyond 31 mouthfuls of insulation tube (outer end of reference electrode 34 can be set within 31 mouthfuls of insulation tube at 1mm),
To further function as the effect of protection reference electrode 34.
Optionally, insulation tube 31 can be for thermoplastic plastics, can in one end that insulation tube 31 is connect with conductor 33
To be sealed using heat sealing machine, for the insulation tube 31 of plastic material convenient for manufacture, manufacturing cost is low, and heat sealing machine can be used will
Insulation tube 31 and the junction of conductor 33 are sealed, and sealing means are simply, conveniently.
In some embodiments, as shown in Figure 1, Figure 2 and shown in Fig. 5, observation port 12 is additionally provided on main component 1, three electrodes are surveyed
It can also include: observation window 4 that trial assembly, which sets 100, and observation window 4 is Transparent Parts and is arranged on main component 1 to seal observation port 12,
In this way, tester can be convenient circulating battery test when, the reaction in main component 1 is observed.
Optionally, observation window 4 can be arc-shaped as shown in Figure 4, and main component 1 may be circle at observation port 12
Arcuation, observation window 4 can be embedded at observation panel, and the observation window 4 of arc-shaped and the observation port 12 of arc-shaped are concentric, in this way,
The result of observation can distort to avoid light, keep observed result more intuitive, accurate.
In some instances, the Inner arc of the center arc radius of the inner surface on main component 1 at observation panel and observation window 4
Center arc radius is identical, so that structure of the housing region in main component 1 at observation panel is identical as the structure in other regions,
To not influence the distribution of the electrolyte in main component 1 at observation panel, and then guarantee the objectivity of test.
In some embodiments, as shown in Figure 1, Figure 2 and shown in Fig. 5, it is additionally provided with gas-liquid on main component 1 and adjusts passway 13,
Gas-liquid adjusts passway 13 and is provided with third sealing element 3214, and gas-liquid, which adjusts passway 13, to be facilitated in prevention test process to generate
Gas reference electrode 34 and electrolyte contacts are impacted, on the other hand help so that reference electrode 34 sufficiently infiltration exist
In electrolyte, the setting of third sealing element 3214 is in order to which holding meanss adjust the leakproofness at passway 13 in gas-liquid.
In the description of the present invention, it is to be understood that, term " length ", " width ", " thickness ", "upper", "lower",
"front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " etc. refer to
The orientation or positional relationship shown is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplifies
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore is not considered as limiting the invention.In addition, defining " first ", the feature of " second " can be expressed or hidden
It include one or more of the features containing ground.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two
Or it is more than two.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of three electrode testing devices characterized by comprising
Main component is formed with accommodation space in the main component；
Battery core fixing piece, the battery core fixing piece are arranged on the main component to consolidate the battery core being arranged in accommodation space
It is fixed；
Reference electrode component, the reference electrode component pass through the main component and connect with the electrolyte in the accommodation space
Touching.
2. three electrode testing device according to claim 1, which is characterized in that it is provided with mounting hole on the main component,
The battery core fixing piece includes: outer cover and compact heap, and the outer cover is fixed on the main component, the compact heap and described outer
Lid is connected and passes through the mounting hole to fix battery core.
3. three electrode testing device according to claim 2, which is characterized in that lead between the outer cover and the compact heap
Elastic component is crossed to be connected.
4. three electrode testing device according to claim 3, which is characterized in that the mounting hole includes two be opposite to each other
It is a；
The battery core fixing piece includes: the first battery core fixing piece and the second battery core fixing piece, in the first battery core fixing piece
Compact heap in compact heap and the second battery core fixing piece is each passed through corresponding mounting hole with will be in the accommodation space
Battery core compresses.
5. three electrode testing device according to claim 2, which is characterized in that lead between the outer cover and the mounting hole
Cross first seal sealing.
6. three electrode testing device according to claim 1, which is characterized in that the reference electrode component and the main body
Selectively second seal is provided between part.
7. three electrode testing device according to claim 1, which is characterized in that the reference electrode component includes: insulation
It manages, is provided with reference electrode in the insulation tube, the conductor being connected with the reference electrode is provided on the inside of the insulation tube.
8. three electrode testing device according to claim 7, which is characterized in that at least partly generation shape of the insulation tube
Become so that the space in insulation tube to be isolated from the outside.
9. three electrode testing device according to claim 1, which is characterized in that be additionally provided with observation on the main component
Mouthful；
Three electrode testing device further include: observation window, the observation window be Transparent Parts and be arranged on the main component with
The observation port is sealed.
10. three electrode testing device according to claim 1, which is characterized in that be additionally provided with gas-liquid on the main component
Passway is adjusted, the gas-liquid adjusts passway and is provided with third sealing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810362272.4A CN110398690A (en) | 2018-04-20 | 2018-04-20 | Three electrode testing devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810362272.4A CN110398690A (en) | 2018-04-20 | 2018-04-20 | Three electrode testing devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110398690A true CN110398690A (en) | 2019-11-01 |
Family
ID=68319554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810362272.4A Pending CN110398690A (en) | 2018-04-20 | 2018-04-20 | Three electrode testing devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110398690A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082151A (en) * | 2019-12-25 | 2020-04-28 | 上海纳米技术及应用国家工程研究中心有限公司 | Method for in-situ generation of lithium reference electrode in lithium ion soft package battery |
| CN114018994A (en) * | 2021-09-30 | 2022-02-08 | 广东微电新能源有限公司 | Novel three-electrode battery testing device |
| CN114019390A (en) * | 2021-09-30 | 2022-02-08 | 广东微电新能源有限公司 | Three-electrode battery testing device |
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