CN109752293A - Device for detecting stability of lithium ion battery slurry - Google Patents
Device for detecting stability of lithium ion battery slurry Download PDFInfo
- Publication number
- CN109752293A CN109752293A CN201910067642.6A CN201910067642A CN109752293A CN 109752293 A CN109752293 A CN 109752293A CN 201910067642 A CN201910067642 A CN 201910067642A CN 109752293 A CN109752293 A CN 109752293A
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- CN
- China
- Prior art keywords
- station
- static
- slurry
- lithium ion
- ion battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 16
- 239000002002 slurry Substances 0.000 title abstract description 39
- 230000003068 static effect Effects 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 29
- 230000010355 oscillation Effects 0.000 claims abstract description 21
- 238000005119 centrifugation Methods 0.000 claims description 18
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000004062 sedimentation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 239000011162 core material Substances 0.000 description 6
- 239000006258 conductive agent Substances 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910021383 artificial graphite Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000005087 graphitization Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009818 secondary granulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a device for detecting the stability of lithium ion battery slurry, which comprises: the device comprises an oscillation station, a centrifugal station, a static station, a material transfer mechanism for enabling materials to be sequentially switched among the oscillation station, the centrifugal station and the static station, and a light source body for sending parallel light beams, wherein the light source body is located on one side of the static station. Compared with the traditional device, the invention can judge the stability of the slurry by measuring the sedimentation degree at different time, can judge the stability of the slurry in a short time and can judge whether the slurry is qualified or not.
Description
Technical field
The present invention relates to cell manufacturing techniques field more particularly to a kind of dresses for detecting pulp of lithium ion battery stability
It sets.
Background technique
For how to promote the energy density of battery core, each producer utilizes the various sides such as battery core raw material, battery core size model number
Formula realizes the promotion of energy density, but energy density is promoted and contributes biggish or relies on mentioning for core material system
It rises, the promotion for electric core architecture is improved in terms of main material, in terms of auxiliary material.Higher capacity can be selected higher in terms of main material
The material of compacting, but for the high battery core main material especially cathode artificial graphite class material for holding high pressure, promote artificial graphite
Capacity and compacting need to adjust from selection and graphitization technique various aspects, and general gram volume is higher or is compacted higher cathode
Material, degree of graphitization and secondary granulation degree also can be higher, the stability that tap density lower can influence material and close slurry；It is auxiliary
It can also select electric conductivity higher or the better binder of adhesiveness in terms of material, improve positive-active to reduce the dosage of auxiliary material class
The accounting of substance is to achieve the purpose that promote monomer energy density；In terms of conductive agent, in order to which the electric conductivity for reaching high will use
High-end conductive agent, such as carbon nanotube and graphene, such conductive agent are different from common traditional carbon black class conductive agent, compare table
Area is more difficult to be scattered in slurry more greatly, and the stability of slurry is to embody a big key index of slurry superiority and inferiority.Existing slurry is steady
Qualitatively tradition judgment mode be the solid content of slurry upper, middle and lower layer after standing different time such as 12h/24h/48h by slurry come
Determine, but the method needs the time longer and the upper, middle and lower layer of slurry is easy to interfere in sampling process, influences the accurate of judgement
Property.
Summary of the invention
Technical problem present in technology based on the above background, the present invention propose that a kind of detection pulp of lithium ion battery is stablized
The device of property.
A kind of device detecting pulp of lithium ion battery stability proposed by the present invention, comprising: oscillation station, centrifugation work
Position, static station, the material transfer for converting material successively between oscillation station and centrifugation station and static station
Structure and light source body for sending collimated light beam, the light source body are located at the side of static station.
Preferably, material transfer device includes pedestal, the manipulator being movably arranged on pedestal and for driving mechanical exist
The driving mechanism moved back and forth between oscillation station, centrifugation station and static station.
Preferably, vibrate station, centrifugation station and static station be circular layout, material transfer device be located at oscillation station,
It is centrifuged the inside of station and static station.
Preferably, further include container for manipulator clamping, be equipped with inside the container multiple for sample cell insertion
Hole slot.
Preferably, light insulation pad is equipped with inside container and between two hole slots of arbitrary neighborhood.
In the present invention, by setting oscillation station, centrifugation station and static station, and made using material transfer device to be measured
Slurry can be shifted between oscillation station, centrifugation station and static station, so that slurry is complete at oscillation station
After vibrating dispersion, the slurry of different conditions reaches identical stable state when sampling；It is centrifuged subsequently into centrifugation station,
To break Stability of Slurry using centrifugal movement, static station quiescent settling is finally entered, and utilizes light source in infall process
Body is irradiated slurry, and to feed back the refractive index of different parts in slurry short transverse out, prolonged exposure certain time is obtained
The delta data of slurry different parts refractive index out determines that the stability of slurry is (that is: heavy according to the variation of different parts refractive index
Reduction of speed degree is faster, and Stability of Slurry is poorer, otherwise the slower Stability of Slurry of sinking speed is better).When surveying different compared with conventional apparatus
Between sedimentation degree judge Stability of Slurry mode, this device can carry out the judgement of Stability of Slurry in a short time, give
Give slurry whether He Ge judgement.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of device for detecting pulp of lithium ion battery stability proposed by the present invention；
Fig. 2 is that the structure of container described in a kind of device for detecting pulp of lithium ion battery stability proposed by the present invention is shown
It is intended to.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
As shown in Figs. 1-2, Fig. 1 is a kind of structure of device for detecting pulp of lithium ion battery stability proposed by the present invention
Schematic diagram；Fig. 2 is that the structure of container described in a kind of device for detecting pulp of lithium ion battery stability proposed by the present invention is shown
It is intended to.
Referring to Fig.1, a kind of device detecting pulp of lithium ion battery stability proposed by the present invention, comprising: oscillation station
1, station 2, static station 3 are centrifuged, for converting material successively between oscillation station 1, centrifugation station 2 and static station 3
Material transfer device 4 and light source body (drawing is not drawn into) for sending collimated light beam, the light source body be located at static work
The side of position 3.
Specific work steps of the present invention is as follows:
Oscillation station 1 is advanced with to vibrate sample to be tested, it is evenly dispersed to sample progress, so that when different samplings
Between or other factors cause inconsistent sample to reach identical stable state；
Then the sample for completing oscillation is transferred to centrifugation station 2 using material transfer device 4, with broken using centrifugal sedimentation
The stability of bad sample；
The material for completing centrifugation is subsequently transferred to static station 3 using material transfer device 4 to settle, and heavy
Sample is irradiated using light source body during drop, to feed back the refractive index of different parts on height of specimen direction out,
And prolonged exposure certain time, to obtain the delta data of sample different parts refractive index, finally according to different parts refractive index
Variation determine slurry stability.
From the foregoing, it will be observed that the present invention vibrates station 1, centrifugation station 2 and static station 3 by setting, and is shifted using material
Mechanism 4 shifts slurry to be measured between oscillation station 1, centrifugation station 2 and static station 3, so that slurry
After completing vibrating dispersion at oscillation station 1, the slurry of different conditions reaches identical stable state when sampling；Subsequently into from
Heart station 2 is centrifuged, and to break Stability of Slurry using centrifugal movement, finally enters static 3 quiescent settling of station, and heavy
Slurry is irradiated using light source body during drop, to feed back the refractive index of different parts in slurry short transverse out, is held
Continuous irradiation certain time, obtains the delta data of slurry different parts refractive index, is determined according to the variation of different parts refractive index
The stability (that is: the faster Stability of Slurry of sinking speed is poorer, otherwise the slower Stability of Slurry of sinking speed is better) of slurry.Compared with
Conventional apparatus survey the sedimentation degree of different time and judge Stability of Slurry mode, this device can be starched in a short time
Expect stability judgement, give slurry whether He Ge judgement.
Referring to Fig. 2, the present apparatus further includes the container 5 for manipulator clamping, and is equipped with inside container 5 multiple for sample
The hole slot 51 of pipe insertion can use the container 5 and disposably detect to multiple samples during the test, so that
Working efficiency significantly improves.And in order to avoid generating and interfering between the sample in different hole slots 51 in irradiation process, this
Implement to be provided with light insulation pad 52 between two hole slots 51 in 5 inside of container and positioned at arbitrary neighborhood.
In the present embodiment, oscillation station 1, centrifugation station 2 and static station 3 are circular layout, and material transfer device 4 is located at vibration
The inside swung station 1, be centrifuged station 2 and static station 3, material transfer device 4 include pedestal, the machine being movably arranged on pedestal
Tool hand and mechanical in the driving mechanism moved back and forth between oscillation station 1, centrifugation station 2 and static station 3 for driving.It should
The setting of layout type can effectively save material transfer time, improve working efficiency.
In the present embodiment, vibrates and be equipped with oscillating table at station 1, and the oscillating table is equipped with the limiting slot being put into for container 5.
Centrifugal hoop is equipped at centrifugation station 2 and for driving the atwirl power mechanism of centrifugal hoop, the internal diameter of the centrifugal hoop according to
The outer diameter of container 5 is adapted to, to ensure that container 5 can be fixed on the inside of centrifugal hoop.Static platform is equipped at static station 3, and quiet
Only platform is equipped with the limiting slot being put into for container 5.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of device device for detecting pulp of lithium ion battery stability, characterized by comprising: oscillation station (1), centrifugation
Station (2), static station (3), for make material oscillation station (1) be centrifuged between station (2) and static station (3) successively
The material transfer device (4) of conversion and the light source body for sending collimated light beam, the light source body are located at static station (3)
Side.
2. it is according to claim 1 detection pulp of lithium ion battery stability device, which is characterized in that further include for
The container (5) of manipulator clamping, the container (5) is internal to be equipped with multiple hole slots (51) for sample cell insertion.
3. the device of detection pulp of lithium ion battery stability according to claim 2, which is characterized in that in container (5)
Portion and be located at arbitrary neighborhood two hole slots (51) between be equipped with light insulation pad (52).
4. the device of detection pulp of lithium ion battery stability according to claim 1, which is characterized in that material transfer
Structure (4) includes pedestal, the manipulator being movably arranged on pedestal and mechanical in oscillation station (1), centrifugation station for driving
(2) driving mechanism moved back and forth between static station (3).
5. the device of pulp of lithium ion battery stability is detected described in any one of -4 according to claim 1, which is characterized in that
Oscillation station (1), centrifugation station (2) and static station (3) be circular layout, material transfer device (4) be located at vibrate station (1),
It is centrifuged the inside of station (2) and static station (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067642.6A CN109752293A (en) | 2019-01-24 | 2019-01-24 | Device for detecting stability of lithium ion battery slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067642.6A CN109752293A (en) | 2019-01-24 | 2019-01-24 | Device for detecting stability of lithium ion battery slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109752293A true CN109752293A (en) | 2019-05-14 |
Family
ID=66404777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910067642.6A Pending CN109752293A (en) | 2019-01-24 | 2019-01-24 | Device for detecting stability of lithium ion battery slurry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109752293A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101382489A (en) * | 2007-09-07 | 2009-03-11 | 比亚迪股份有限公司 | Method for evaluating stability of slurry |
| CN102539294A (en) * | 2011-12-14 | 2012-07-04 | 合肥国轩高科动力能源有限公司 | Method for testing stability of negative electrode slurry and preparation method thereof |
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| CN104237081A (en) * | 2007-10-30 | 2014-12-24 | 纽约大学 | tracking and characterizing particles with holographic video microscopy |
| CN204315672U (en) * | 2014-12-02 | 2015-05-06 | 东莞市斯宇自动化设备有限公司 | A kind of cell package p-wire |
| JP2015105906A (en) * | 2013-12-02 | 2015-06-08 | 御国色素株式会社 | Iron detection method, carbon material-containing slurry managed by detection method, and lithium ion battery manufacturing method |
| CN108152161A (en) * | 2017-12-13 | 2018-06-12 | 桑顿新能源科技有限公司 | A kind of evaluation method of pulp of lithium ion battery stability |
| CN108169057A (en) * | 2017-12-07 | 2018-06-15 | 惠州拓邦电气技术有限公司 | Pulp of lithium ion battery stability test method and device |
| CN207832664U (en) * | 2017-12-21 | 2018-09-07 | 湖南三昆智能科技有限公司 | A kind of food safety detection system |
| CN108923025A (en) * | 2018-06-12 | 2018-11-30 | 北京英耐时新能源科技有限公司 | A kind of preparation process of efficient pulp of lithium ion battery |
| CN109142149A (en) * | 2018-09-04 | 2019-01-04 | 陕西煤业化工技术研究院有限责任公司 | A method of detection battery slurry dispersion stabilization |
-
2019
- 2019-01-24 CN CN201910067642.6A patent/CN109752293A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101382489A (en) * | 2007-09-07 | 2009-03-11 | 比亚迪股份有限公司 | Method for evaluating stability of slurry |
| CN104237081A (en) * | 2007-10-30 | 2014-12-24 | 纽约大学 | tracking and characterizing particles with holographic video microscopy |
| CN102539294A (en) * | 2011-12-14 | 2012-07-04 | 合肥国轩高科动力能源有限公司 | Method for testing stability of negative electrode slurry and preparation method thereof |
| CN102854083A (en) * | 2012-08-15 | 2013-01-02 | 深圳市德方纳米科技有限公司 | Method for assessing settleability and uniformity of lithium ion battery cathode slurry |
| JP2015105906A (en) * | 2013-12-02 | 2015-06-08 | 御国色素株式会社 | Iron detection method, carbon material-containing slurry managed by detection method, and lithium ion battery manufacturing method |
| CN204315672U (en) * | 2014-12-02 | 2015-05-06 | 东莞市斯宇自动化设备有限公司 | A kind of cell package p-wire |
| CN108169057A (en) * | 2017-12-07 | 2018-06-15 | 惠州拓邦电气技术有限公司 | Pulp of lithium ion battery stability test method and device |
| CN108152161A (en) * | 2017-12-13 | 2018-06-12 | 桑顿新能源科技有限公司 | A kind of evaluation method of pulp of lithium ion battery stability |
| CN207832664U (en) * | 2017-12-21 | 2018-09-07 | 湖南三昆智能科技有限公司 | A kind of food safety detection system |
| CN108923025A (en) * | 2018-06-12 | 2018-11-30 | 北京英耐时新能源科技有限公司 | A kind of preparation process of efficient pulp of lithium ion battery |
| CN109142149A (en) * | 2018-09-04 | 2019-01-04 | 陕西煤业化工技术研究院有限责任公司 | A method of detection battery slurry dispersion stabilization |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20190514 |