CN207601282U - Foundation arrangement and lithium battery material high flux screening equipment - Google Patents
Foundation arrangement and lithium battery material high flux screening equipment Download PDFInfo
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- CN207601282U CN207601282U CN201721776363.XU CN201721776363U CN207601282U CN 207601282 U CN207601282 U CN 207601282U CN 201721776363 U CN201721776363 U CN 201721776363U CN 207601282 U CN207601282 U CN 207601282U
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- 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
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- Y02E60/10—Energy storage using batteries
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- 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
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Abstract
The utility model is related to technical field of lithium batteries more particularly to a kind of foundation arrangements and lithium battery material high flux screening equipment.The foundation arrangement and lithium battery material high flux screening equipment of the utility model prepare several battery cores by setting several microcells, change the parameter of same layer in multiple battery cores and the parameter one of other layers is controlled to show the high flux screening for being changed layer material, have the advantages that simple in structure, easy to operate.
Description
【Technical field】
The utility model is related to technical field of lithium batteries more particularly to a kind of foundation arrangements and lithium battery material high throughput to sieve
Optional equipment.
【Background technology】
Solid lithium battery be due to its safety, cycle performance is excellent the advantages that as secondary cell important development side
To simultaneously because lithium metal Elements Atom radius is small, has minimum electrochemical potential, solid lithium battery compares other sodium ions
Battery has the market application potential of bigger.Three central factors for influencing solid lithium battery performance are safety, specific capacity
And high-rate characteristics.Influenced in lithium battery its performance critical material include positive electrode, electrolyte, negative material,
Second current collector layers and the first current collector layers etc..Wherein determine be than one of principal element of energy lithium battery positive and negative pole material
Characteristic, influence safety and multiplying power property is electrolyte and electrode material.Therefore, the material for how promoting lithium battery is ground
Hair speed has become lithium battery development and is badly in need of the critical problem solved.High-throughput material experiment is exactly a kind of to meet above-mentioned need
The rapid mass screening technique asked, the essence of this method are the laboratory sample numbers by improving the unit interval, realize associated materials
The rapid system screening of system.
Therefore, investigation of materials person carry out the research and development of lithium battery material with reference to high-throughput experimental technique, but existing
All there are the shortcomings that complicated, cumbersome for high-throughput experimental facilities.
【Utility model content】
In view of the above-mentioned problems, the utility model provides a kind of foundation arrangement and lithium battery material high flux screening equipment.
The scheme that the utility model solves technical problem is to provide a kind of foundation arrangement, is used to carry out lithium battery material height
Flux screening, the foundation arrangement include non-conductive substrate, multiple connecting wires and multiple external pins, the non-conductive substrate
On be provided with several microcells, the connecting wire and external pin are arranged at the surface that non-conductive substrate is provided with microcell
On, each microcell is connected one to one by individual connecting wire and individual external pin, and each microcell can be with more
A mask plate coordinates the battery core for being sequentially prepared lamination setting together, and the battery core includes the same number of plies and every layer of structure phase
Together, per layer material simultaneously or sequentially formed in multiple microcells, by changing the parameter of same layer and control in multiple battery cores
The parameter one of other layers shows the high flux screening for being changed layer material.
The utility model also provides a kind of lithium battery material high flux screening equipment, the lithium battery material high flux screening
Equipment includes non-conductive substrate, multiple connecting wires, multiple external pins and multiple mask plates, is set in the non-conductive substrate
There are several microcells, the connecting wire and external pin are arranged at non-conductive substrate and are provided on the surface of microcell, each
Microcell is all connected one to one by individual connecting wire and individual external pin, with multiple mask plates one on each microcell
Each layer structure that cooperation is sequentially prepared the battery core of multiple lamination settings is played, the battery core includes the same number of plies and every layer of structure
It is identical, it per layer material is simultaneously or sequentially formed in multiple microcells, same layer in multiple battery cores is changed by mask cooperation
Parameter simultaneously controls the parameter one of other layers to show the high flux screening for being changed layer material.
Preferably, the multiple mask plate includes the first mask plate and the 5th mask plate, and the multiple mask plate further includes
One or more in second mask plate, third mask plate or the 4th mask plate, first mask plate is for deposition first
Current collector layers, second mask plate is for when depositing negative electrode layer, the third mask plate to be for depositing solid-state electrolyte layer, institute
The 4th mask plate is stated for depositing anode layer, the 5th mask plate is for depositing the second current collector layers, in deposition process, the
One mask plate or the second mask plate or third mask plate or the 4th mask plate or the 5th mask plate are arranged on non-conductive substrate setting
Have on the surface of microcell.
Preferably, the size relationship between each mask plate is：The 4th masks of first mask plate ﹥ third mask plates ﹥
The 5th mask plates of the second mask plates of plate ﹥ ﹥.
Preferably, the external pin is arranged on the fringe region of non-conductive substrate.
Preferably, the lithium battery material high flux screening equipment further includes test system, the detection of the test system
Electrode be electrically connected respectively with the second current collector layers of each battery core and the first current collector layers with to the battery core on each microcell into
Row test.
Preferably, the test system is ac impedance measurement system, D.C. resistance tests system and cyclic voltammetry
One or more in system, ac impedance measurement system is used to test the ionic conductivity of the battery core of each microcell, direct current
Resistance test system is used to test the electronic conductivity of the battery core of each microcell, and cyclic voltammetry system is used to test each microcell
Battery core capacity, voltage and cycle characteristics, in test, the second current collector layers and external pin of the battery core of each microcell point
It is not connected with testing the positive and negative anodes of system.
Preferably, the lithium battery material high flux screening equipment further includes step instrument, is used to demarcate each layer in advance
Thickness.
Preferably, the shape of microcell is triangle, circle, quadrangle or other polygons.
Preferably, the material of the non-conductive substrate is glass, polyimides or resin.
Compared with prior art, the foundation arrangement of the utility model is used to carry out lithium battery material high flux screening, institute
It states foundation arrangement and includes non-conductive substrate, multiple connecting wires and multiple external pins, if being provided in the non-conductive substrate
Dry microcell, the connecting wire and external pin are arranged at non-conductive substrate and are provided on the surface of microcell, each microcell
It is all connected one to one by individual connecting wire and individual external pin, each microcell can be with multiple mask plates together
Cooperation is sequentially prepared the battery core of lamination setting, and the battery core includes the same number of plies and every layer material is identical, per layer material all
It is simultaneously or sequentially to be formed in multiple microcells, by changing the material component of same layer in multiple battery cores and controlling the ginseng of other layers
Number one shows the high flux screening for being changed layer material.The foundation arrangement of the utility model can be carried out at the same time multiple material
High flux screening greatly improves the investigation of materials speed of lithium battery, and simple in structure, easy to operation.
Compared with prior art, the lithium battery material high flux screening equipment of the utility model includes non-conductive substrate, more
A connecting wire, multiple external pins and multiple mask plates are provided with several microcells, the connection in the non-conductive substrate
Conducting wire and external pin are arranged at non-conductive substrate and are provided on the surface of microcell, and each microcell is led by individually connecting
Line connects one to one with individual external pin, coordinates together with multiple mask plates on each microcell and is sequentially prepared multiple laminations
Each layer structure of the battery core of setting, the battery core includes the same number of plies and every layer material is identical, is all more per layer material
A microcell is simultaneously or sequentially formed, and is changed the material component of same layer in multiple battery cores by mask cooperation and is controlled other layers
Parameter one shows the high flux screening for being changed layer material.The lithium battery material high flux screening equipment of the utility model can be with
The high flux screening of multiple material is carried out at the same time, the investigation of materials speed of lithium battery is greatly improved, and simple in structure, is convenient for
Operation.
【Description of the drawings】
Fig. 1 is that the structure of the foundation arrangement of the lithium battery material high flux screening equipment of the utility model first embodiment is shown
It is intended to.
Fig. 2 is the structure diagram that the lithium battery electric core of the utility model first embodiment is tested.
Fig. 3 is the flow diagram of the lithium battery material high-throughput screening method of the utility model second embodiment.
Fig. 4 be the utility model second embodiment lithium battery material high-throughput screening method in the sub-process of step S1 show
It is intended to.
【Specific embodiment】
In order to make the purpose of this utility model, technical solution and advantage are more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only explaining
The utility model is not used to limit the utility model.
It please refers to Fig.1, the first embodiment of the utility model provides a kind of lithium battery material high flux screening equipment, described
Lithium battery material high flux screening equipment includes a foundation arrangement 10, and the foundation arrangement 10 includes non-conductive substrate 15, multiple
Connecting wire 13 and multiple external pins 11 are provided with several microcells 151, each microcell 151 in the non-conductive substrate 15
Size, size it is identical, the connecting wire 13 and external pin 11 are arranged at non-conductive substrate 15 and are provided with microcell
On 151 surface, each microcell 151 is connected one to one by individual connecting wire 13 and individual external pin 11.
Preferably, the external pin 11 is arranged on the fringe region of non-conductive substrate 15, in order to electrically be connected with other elements
It connects.The material of the external pin 11 and connecting wire 13 is conductive metal or its alloy, preferably aluminium, copper, gold, silver, tungsten
Or its alloy.The shape of the microcell 151 can be triangle, circle, quadrangle or other polygons, can basis
Actual needs is designed.The material of the non-conductive substrate 15 is the electrically non-conductive materials such as glass, polyimides or resin.
The battery core 20 of lithium battery is prepared on each microcell 151, the battery core 20 includes the second current collector layers 21, anode layer 23, solid-state electricity
Matter layer 25,27 and first current collector layers 29 of negative electrode layer are solved, changes the parameter of any layer and ensures that other layers of parameter is consistent, so as to
Carry out the high flux screening of the layer material.It is appreciated that the parameter includes one in the thickness, material composition and structure of material
Kind is a variety of.It is appreciated that material composition refers to its element included, material structure refers to the microstructure of material,
Identical material composition may have different microstructures, such as graphene has different material knots from carbon nanotube
Structure.It is appreciated that the quantity of the microcell 151 is hundreds of, the microcell 151 of a part of quantity and outer is only shown in Fig. 1
Pin 11 is connect, in order to meet high flux screening demand, the quantity of the two can be set, do not limited herein as needed
It is fixed.The length of side or a diameter of 0.01 ￣ 5cm, several microcells 151 of each microcell 151 can be advised in non-conductive substrate 15
The arrangement of rule property or random unordered arrangement, therefore can disposably carry out a variety of different materials ingredients, structure and thickness
Screening meets the needs of high-throughput experiment, greatly improves the research and development speed of material.It is (upper and lower mentioned in the utility model
The nouns of locality such as left and right are only limitted to the relative position in given view rather than absolute position, it will be understood that given view is planar
Carry out 180 ° rotation after, position word " under " can replace with position word " on ".)
The lithium battery material high flux screening equipment further includes multiple mask plate (not shown), and multiple mask plates include the
One mask plate and the 5th mask plate, the multiple mask plate are further included in the second mask plate, third mask plate and the 4th mask plate
It is one or more, first mask plate for depositing the first current collector layers, second mask plate for depositing negative electrode layer,
Third mask plate is for depositing solid-state electrolyte layer, and the 4th mask plate for depositing anode layer, use by the 5th mask plate
In depositing the second current collector layers, in deposition process, the first mask plate or the second mask plate or third mask plate or the 4th mask
Plate or the 5th mask plate are arranged on non-conductive substrate 15 and are provided on the surface of microcell 151, and opening is provided on mask plate with only
Microcell 151 to be exposed, the size of the opening is consistent with the size of microcell 151, remaining place is masked plate and is covered, so as to
Only deposited in microcell 151.Preferably, first current collector layers are negative current collector layer, second current collector layers
As plus plate current-collecting body layer.It is appreciated that corresponding to the microcell 151 on each mask opens up multiple openings, in case disposably
Prepare the same layer material on each microcell 151.It is also to be understood that can also an opening each be simply placed on mask, still
Mask plate can be moved relative to non-conductive substrate 15, to form same layer material on multiple microcells 151 respectively.It is appreciated that
It needs to use corresponding mask plate when preparing each layer of structure of battery core 20.Wherein, the size between each mask plate
Relationship is：The 5th mask plates of first the 4th the second mask plates of mask plate ﹥ ﹥ of mask plate ﹥ third mask plates ﹥, the ruler of the mask plate
The very little length of side or diameter for referring to mask plate.
It please refers to Fig.2, the lithium battery material high flux screening equipment further includes test system 17, the test system 17
With detecting electrode 171, in test process is carried out, the detecting electrode 171 respectively with the second current collector layers 21 of battery core 20,
External pin 11 is electrically connected, and wherein 11 and first current collector layers 29 of external pin are to be electrically connected；Or detecting electrode 171
It is electrically connected respectively with the first current collector layers 29, the external pin 11 of battery core 20, wherein 11 and second current collector layers of external pin
21 be to be electrically connected.To sum up, during the test, test the detecting electrode 171 of system 17 respectively with the second collector
21 and first current collector layers 29 of layer are electrically connected.The detecting system 17 can be ac impedance measurement system (such as microcell electricity
Test chemical system either ac impedance measurement instrument or electrochemical workstation), D.C. resistance test system (such as survey by four probes
Try instrument) and cyclic voltammetry system (such as cyclic voltammetry instrument, electrochemical workstation) in it is one or more, wherein,
Ac impedance measurement system is used to test the ionic conductivity of the battery core 20 of each microcell 151, and D.C. resistance test system is used for
The electronic conductivity of the battery core 20 of each microcell 151 is tested, cyclic voltammetry system is used to test the battery core of each microcell 151
20 capacity, voltage and cycle characteristics.It is appreciated that being used as a kind of deformation, the test system 17 can also be not belonging to lithium
Battery material high flux screening equipment, itself belongs to external equipment, only when testing battery core 20 just can use arrive.
The lithium battery material high flux screening equipment further includes step instrument (not shown), is used to prepare battery core 20
Demarcate each layer of thickness in advance in the process.
It please referring to Fig.3, the second embodiment of the utility model also provides a kind of method of lithium battery material high flux screening,
It includes the following steps：
S1：Several battery cores are prepared, the battery core includes same multilayered structure, and the number of plies and every layer of structure are all consistent,
Change the parameter of same layer in multiple battery cores and control the parameter of other layers consistent；
S2：High flux screening result to be changed layer material is tested each battery core.
It is appreciated that the method for the lithium battery material high flux screening of the present embodiment preferably uses lithium battery as described above
Material high flux screening equipment carries out.The lithium battery is solid state lithium battery.
It is appreciated that in the step S1, stepped construction, the number of plies and the every layer of structure of each battery core are consistent,
The battery core includes folded the second current collector layers, anode layer, solid-state electrolyte layer, negative electrode layer and the first current collector layers set.It is preferred that
, first current collector layers are negative current collector layer, and second current collector layers are plus plate current-collecting body layer.Parameter includes
It is one or more in each layer of material thickness and material composition, structure.The material of the negative electrode layer can be lithium metal, silicon
The mixing material of simple substance, carbon material (graphite, graphene, carbon nanotube etc.) or three's composition, the solid-state electrolyte layer
Material can be all kinds of inorganic solid electrolyte materials such as oxide, sulfide.Can change the second current collector layers, anode layer,
The material thickness of any layer in solid-state electrolyte layer, negative electrode layer and the first current collector layers, material composition and one kind in structure or
A variety of, material thickness, material composition and the structure of other four layers of control are consistent.Such as：Change anode layer material into
Point, and control thickness, material composition and the structure of the second current collector layers, solid-state electrolyte layer, negative electrode layer and the first current collector layers
It is completely the same, so the material composition that can be directed to anode layer carries out high flux screening, greatly improve the research and development of positive electrode
Speed；Or change the material composition of negative electrode layer, and control the second current collector layers, solid-state electrolyte layer, anode layer and the first collection
The thickness of fluid layer, material composition and structure are completely the same, so the material composition that can be directed to negative electrode layer carries out high-throughput sieve
Choosing greatly improves the research and development speed of negative material.
It is appreciated that in step s 2, to the capacity of each battery core, voltage, ionic conductivity, electronic conductivity and cycle
One or more in characteristic are tested, wherein, electronic conductivity is tested using D.C. resistance test method, utilizes probe knot
Electrochemical workstation or ac impedance measurement method test ion conductivity are closed, using cyclic voltammetry test voltage, is utilized
Constant current cycle charge-discharge test capacity and cycle characteristics.It is by the anode of battery core when wherein, using cyclic voltammetry test voltage
Collector and the first current collector layers are connect with the positive and negative anodes of cyclic voltammetry system, wherein the first current collector layers are by external
What pin was electrically connected with cyclic voltammetry system, using the oxidation-reduction potential of cyclic voltammetry test battery core, survey
The ranging from 0.1 ￣ 10V of voltage are tried, preferably 1 ￣ 8V can be adjusted flexibly according to actual test, pass through survey
The VA characteristic curve for trying to obtain can obtain the voltage of anodic potentials, i.e. battery core.In addition, utilize constant current cycle charge-discharge test
It is the positive and negative anodes by the plus plate current-collecting body of battery core and the first current collector layers and cyclic voltammetry system when capacity and cycle characteristics
Connection wherein the first current collector layers are electrically connected by external pin and cyclic voltammetry system, selects 0.01
￣ 1C carry out constant current cycle charge-discharge test to battery core, and measured discharge capacity is the capability value of battery core, when n-th is discharged
Gained battery capacity for the 2nd discharge capacity 80% when, that is, the cycle life for thinking the battery core is n times.
It please refers to Fig.4, the step S1 specifically includes following steps：
S11：A non-conductive substrate and multiple mask plates are provided, multiple mask plates include the first mask plate and the 5th mask
Plate, the mask plate further include it is one or more in the second mask plate, third mask plate and the 4th mask plate, it is described non-conductive
Several microcells are provided in substrate, size, the size of each microcell are identical, and each microcell is singly connected with external pin, profit
With the first mask plate the first current collector layers are deposited on each microcell of non-conductive substrate；
S12：It is deposited in the first current collector layers of each microcell using the second mask plate and obtains negative electrode layer；And/or it utilizes
Third mask plate deposits on the negative electrode layer of each microcell and obtains solid-state electrolyte layer；And/or using the 4th mask plate each
Deposition obtains anode layer on the solid electrolyte of microcell；
S13：It is deposited and obtained on the negative electrode layer or solid-state electrolyte layer or anode layer of each microcell using the 5th mask plate
Second current collector layers are so as to obtain multiple battery cores；And
S14：Change the parameter of each battery core wherein same layer, it is ensured that the parameter of other layers is consistent.
It is appreciated that step S14 is not just to be performed after S13, it is in wherein step S11 ￣ S13
A certain step changes one or more in the material composition of the sedimentary, structure and material thickness.For example, S14 can be
When depositing the first current collector layers in step S11, change the material composition of the first current collector layers of each battery core, it is ensured that other layers
Parameter is consistent；Or S14 can be the material composition for changing the negative electrode layer of each battery core when depositing negative electrode layer in step s 12,
Ensure that the parameter of other layers is consistent.In the step S14, change the parameter of any layer in battery core multilayered structure, it is ensured that its
His parameter of layer is consistent, you can carries out the high flux screening of the parameter of the layer material.It is further appreciated that pass through XRF (X ray
Spectrofluorimetry), EDS (energy disperse spectroscopy) or the methods of XPS (X-ray photoelectron spectroscopic analysis) come demarcate need to carry out it is high-throughput
The other ingredient of battery core layer of screening, so as to obtain the atom composition of the change layer material of each microcell.Carrying out certain layer of material
During the high flux screening of ingredient, realize prepared by the high-throughput of multi-component material using discrete mask means or continuous mask means, such as：
Mask plate continuous moving in non-conductive substrate is controlled using motor, when the opening on mask plate is moved to different microcells,
The material of sedimentary origin is replaced to change material composition or change the deposition rate of different sedimentary origins to adjust the atom in material
Component ratio, so as to deposit different material compositions on different microcells.
It is appreciated that in the step S11, preferably several mask plates include the first mask plate, the second mask plate, the
Three mask plates, the 4th mask plate and the 5th mask plate, the battery core being prepared include the second current collector layers, anode layer, solid-state electricity
Matter layer, negative electrode layer and the first current collector layers five-layer structure are solved, carries out negative electrode layer, solid electrolyte successively in step s 12 at this time
The deposition of layer and anode layer.The material of the non-conductive substrate is the electrically non-conductive materials such as glass, polyimides or resin.It is multiple
Size relationship between mask plate is：The 4th the second mask plates of mask plate ﹥ ﹥ the 5th of first mask plate ﹥ third mask plates ﹥ are covered
Template.A kind of can also be in non-conductive substrate by way of plating as deformation, in the step S11 each microcell powers on
Plating forms the first current collector layers.It is deformed as another kind, the sedimentary sequence of the battery core multilayered structure can also not led first
The second current collector layers are deposited in electric substrate, then are sequentially depositing anode layer, solid-state electrolyte layer, negative electrode layer and the first current collector layers,
When being tested, the first current collector layers and external pin are connect respectively with the detecting electrode of detecting system.
It is appreciated that in step S11, S12, S13, S14 and S13, pass through Ultrasonic spraying, CVD (chemical vapor depositions
Product), sputtering, in a variety of high-throughput preparation methods such as evaporation it is one or more come deposit to obtain the first current collector layers, negative electrode layer,
Solid-state electrolyte layer, anode layer and the second current collector layers.
It is appreciated that in step S11, S12, S123, S13 and S14, by step instrument come each layer to core strueture
Thickness demarcated in advance.
In the periodic table of elements, fluorine electronegativity is strong, free energy is larger, the binary transition metal fluoride formed have compared with
High ion bond strength, with higher theoretical electrode current potential during as electrode material.And transition metal fluorides, such as it is fluorinated
Copper, ferric flouride, nickel fluoride etc., wherein copper fluoride have the high voltage for the 3.553V for being only second to silver fluoride and higher theoretical appearance
It measures 528mAh/g and holds positive electrode as the high pressure height very with development potentiality.Therefore, two-spot metal composite or polynary
Metal composite can further improve its theoretical capacity.Next, to carry out the high pass of CMF anode layer materials in the utility model
For amount screening, wherein C represents Cu, and M represents one or more combinations in Ti, V, Cr, Mn, Fe, Co, Ni, Zn, Ag, Sn and Bi,
The step of it is screened is as follows：
Step 1：A non-conductive substrate and multiple mask plates are provided, multiple mask plates include the first mask plate, the second mask
Plate, third mask plate, the 4th mask plate and the 5th mask plate are provided with several microcells, Mei Gewei in the non-conductive substrate
Size, the size in area are identical, and microcell is the square that the length of side is 3cm, and the first mask plate is combined non-conductive by plating mode
Same thickness, the first current collector layers of material composition are deposited on each microcell of substrate, the thickness of the first current collector layers is 10 μm,
Each microcell is connect by individual connecting wire with external pin；
Step 2：It deposits and obtains in the first current collector layers of each microcell with reference to the second mask plate (its length of side is 1.5cm)
The negative electrode layer of same thickness, material composition, the thickness of negative electrode layer is 5 μm；
Step 3：With reference to third mask plate (its length of side is 2cm), deposition obtains identical thickness on the negative electrode layer of each microcell
The solid-state electrolyte layer of degree, material composition, the thickness of solid-state electrolyte layer is 2 μm；
Step 4：The 4th mask plate deposition thickness phase on the solid electrolyte of each microcell is combined using ternary cosputtering
The different anode layer with, material composition, the anode layer of each microcell by demarcating ingredient the methods of XRF, EDS or XPS, wherein
Ternary material is CuF2、MnF2And FeF3；
Step 5：With reference to the 5th mask plate (its length of side is 1cm), deposition obtains identical thickness in the anode layer of each microcell
Second current collector layers of degree, material composition；
Step 6：By the second current collector layers and external pin on the positive and negative anodes of loop test system, utilizing cyclic voltammetry
Its oxidation-reduction potential is tested, test voltage ranging from 2 ￣ 5V obtain anode electricity by testing obtained VA characteristic curve
Position, the i.e. voltage of battery core；
Step 7：By the second current collector layers and external pin on the positive and negative anodes of loop test system, selecting 0.1C to battery core
Constant current cycle charge-discharge test is carried out, the discharge capacity of gained is the capability value of battery core, when n-th electric discharge gained battery capacity
For the 2nd discharge capacity 80% when, that is, the cycle life for thinking the battery core is n times；
Step 8：Using the electronic conductivity of four-point probe test battery core；
Step 9：Using the mixing impedance of microcell impedance instrument test battery core, so as to by formula scales into ionic conductance
Rate.
Step 10：The high flux screening result of anode layer material is obtained according to the test result of step 6~9.
Wherein step 6,7,8,9 sequence can be adjusted arbitrarily.
Compared with prior art, the foundation arrangement of the utility model is used to carry out lithium battery material high flux screening, institute
It states foundation arrangement and includes non-conductive substrate, multiple connecting wires and multiple external pins, if being provided in the non-conductive substrate
Dry microcell, the connecting wire and external pin are arranged at non-conductive substrate and are provided on the surface of microcell, each microcell
It is all connected one to one by individual connecting wire and individual external pin, each microcell can be with multiple mask plates together
Cooperation is sequentially prepared the battery core of lamination setting, and the battery core includes the same number of plies and every layer material is identical, per layer material all
It is simultaneously or sequentially to be formed in multiple microcells, by changing the parameter of same layer in multiple battery cores and controlling the parameter one of other layers
Show the high flux screening for being changed layer material.The foundation arrangement of the utility model can be carried out at the same time the high pass of multiple material
Amount screening greatly improves the investigation of materials speed of lithium battery, and simple in structure, easy to operation.
Compared with prior art, the lithium battery material high flux screening equipment of the utility model includes non-conductive substrate, more
A connecting wire, multiple external pins and multiple mask plates are provided with several microcells, the connection in the non-conductive substrate
Conducting wire and external pin are arranged at non-conductive substrate and are provided on the surface of microcell, and each microcell is led by individually connecting
Line connects one to one with individual external pin, coordinates together with multiple mask plates on each microcell and is sequentially prepared multiple laminations
Each layer structure of the battery core of setting, the battery core includes the same number of plies and every layer material is identical, is all more per layer material
A microcell is simultaneously or sequentially formed, and is changed the parameter of same layer in multiple battery cores by mask cooperation and is controlled the parameter of other layers
One shows the high flux screening for being changed layer material.The lithium battery material high flux screening equipment of the utility model can be simultaneously
The high flux screening of multiple material is carried out, greatly improves the investigation of materials speed of lithium battery, and simple in structure, convenient for behaviour
Make.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Any modification made within the principle of utility model, equivalent replacement and improvement etc. should all include the scope of protection of the utility model
Within.
Claims (10)
1. a kind of foundation arrangement is used to carry out lithium battery material high flux screening, it is characterised in that：The foundation arrangement includes
Non-conductive substrate, multiple connecting wires and multiple external pins are provided with several microcells, the company in the non-conductive substrate
It connects conducting wire and external pin is arranged at non-conductive substrate and is provided on the surface of microcell, each microcell is by individually connecting
Conducting wire connects one to one with individual external pin, and each microcell can together coordinate with multiple mask plates is sequentially prepared lamination
The battery core of setting, the battery core include the same number of plies and every layer of structure it is identical, per layer material be all in multiple microcells simultaneously
Or sequentially form, it is changed a layer material by changing in multiple battery cores the parameter of same layer and the parameter one of other layers being controlled to show
The high flux screening of material.
2. a kind of lithium battery material high flux screening equipment, it is characterised in that：The lithium battery material high flux screening equipment packet
Non-conductive substrate, multiple connecting wires, multiple external pins and multiple mask plates are included, is provided in the non-conductive substrate several
A microcell, the connecting wire and external pin are arranged at non-conductive substrate and are provided on the surface of microcell, each microcell
It is connected one to one by individual connecting wire and individual external pin, coordinated together with multiple mask plates on each microcell
Each layer structure of the battery core of multiple lamination settings is sequentially prepared, the battery core includes the same number of plies and every layer of structure is identical,
It per layer material is simultaneously or sequentially formed in multiple microcells, the parameter of same layer in multiple battery cores is changed simultaneously by mask cooperation
The parameter one of other layers is controlled to show the high flux screening for being changed layer material.
3. lithium battery material high flux screening equipment as claimed in claim 2, it is characterised in that：The multiple mask plate includes
First mask plate and the 5th mask plate, the multiple mask plate further include the second mask plate, third mask plate or the 4th mask
One or more in plate, for first mask plate for depositing the first current collector layers, second mask plate is negative for depositing
During the layer of pole, the third mask plate is for depositing solid-state electrolyte layer, and the 4th mask plate is for depositing anode layer, and described the
Five mask plates are for depositing the second current collector layers, in deposition process, the first mask plate or the second mask plate or third mask plate
Or the 4th mask plate or the 5th mask plate be arranged on non-conductive substrate and be provided on the surface of microcell.
4. lithium battery material high flux screening equipment as claimed in claim 3, it is characterised in that：Ruler between each mask plate
Very little magnitude relationship is：The 5th mask plates of first the 4th the second mask plates of mask plate ﹥ ﹥ of mask plate ﹥ third mask plates ﹥.
5. lithium battery material high flux screening equipment as claimed in claim 2, it is characterised in that：The external pin is arranged on
The fringe region of non-conductive substrate.
6. lithium battery material high flux screening equipment as claimed in claim 3, it is characterised in that：The lithium battery material high pass
Amount screening installation further includes test system, the detecting electrode of the test system respectively with the second current collector layers of each battery core and
First current collector layers are electrically connected to test the battery core on each microcell.
7. lithium battery material high flux screening equipment as claimed in claim 6, it is characterised in that：The test system is exchange
One or more, ac impedance measurement system in impedance test system, D.C. resistance test system and cyclic voltammetry system
For system for testing the ionic conductivity of the battery core of each microcell, D.C. resistance test system is used to test the battery core of each microcell
Electronic conductivity, cyclic voltammetry system are used to test capacity, voltage and the cycle characteristics of the battery core of each microcell, are testing
When, the second current collector layers and external pin of the battery core of each microcell are connected respectively with testing the positive and negative anodes of system.
8. lithium battery material high flux screening equipment as claimed in claim 2, it is characterised in that：The lithium battery material high pass
Amount screening installation further includes step instrument, is used to demarcate each layer of thickness in advance.
9. lithium battery material high flux screening equipment as claimed in claim 2, it is characterised in that：The shape of microcell is triangle
Shape, circle, quadrangle or other polygons.
10. lithium battery material high flux screening equipment as claimed in claim 2, it is characterised in that：The non-conductive substrate
Material is glass, polyimides or resin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721776363.XU CN207601282U (en) | 2017-12-19 | 2017-12-19 | Foundation arrangement and lithium battery material high flux screening equipment |
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| CN201721776363.XU CN207601282U (en) | 2017-12-19 | 2017-12-19 | Foundation arrangement and lithium battery material high flux screening equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004283A (en) * | 2018-07-26 | 2018-12-14 | 京东方科技集团股份有限公司 | A kind of solid lithium battery and preparation method thereof |
| CN114005952A (en) * | 2021-09-14 | 2022-02-01 | 电子科技大学 | High-throughput test battery structure and preparation method thereof |
-
2017
- 2017-12-19 CN CN201721776363.XU patent/CN207601282U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004283A (en) * | 2018-07-26 | 2018-12-14 | 京东方科技集团股份有限公司 | A kind of solid lithium battery and preparation method thereof |
| US11594763B2 (en) | 2018-07-26 | 2023-02-28 | Boe Technology Group Co., Ltd. | All-solid lithium battery and method for manufacturing the same |
| CN114005952A (en) * | 2021-09-14 | 2022-02-01 | 电子科技大学 | High-throughput test battery structure and preparation method thereof |
| CN114005952B (en) * | 2021-09-14 | 2023-02-03 | 电子科技大学 | High-throughput test battery structure and preparation method thereof |
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