CN110873675A - Lithium ion battery slurry fluidity detection device and method - Google Patents
Lithium ion battery slurry fluidity detection device and method Download PDFInfo
- Publication number
- CN110873675A CN110873675A CN201811015529.5A CN201811015529A CN110873675A CN 110873675 A CN110873675 A CN 110873675A CN 201811015529 A CN201811015529 A CN 201811015529A CN 110873675 A CN110873675 A CN 110873675A
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- slurry
- lithium ion
- ion battery
- storage barrel
- electronic scale
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- 239000002002 slurry Substances 0.000 title claims abstract description 89
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 238000011156 evaluation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/02—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material
- G01N11/04—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a lithium ion battery slurry fluidity detection device and a lithium ion battery slurry fluidity detection method, which comprise a support, an electronic scale, a slurry receiving measuring cylinder and a slurry storage barrel, wherein the electronic scale is arranged at the inner bottom of the support, the slurry receiving measuring cylinder is arranged on the electronic scale, and the slurry storage barrel is fixed at the top of the support and is positioned at the upper end of the slurry receiving measuring cylinder. The invention provides a lithium ion battery slurry fluidity detection device and method, which can effectively and quickly judge the fluidity of slurry and collect meaningful and valuable reference data for better controlling the slurry and coating quality; the invention has the advantages of simple structure, stable performance and longer service life.
Description
Technical Field
The invention relates to the technical field of slurry detection devices, in particular to a device and a method for detecting the fluidity of lithium ion battery slurry.
Background
Most of the existing lithium ion battery slurry detection means are viscosity, fineness, density, rheological property and stability, an effective evaluation means is lacked aiming at a slurry evaluation method, and the fluidity of the slurry directly influences the pole piece coating effect and the quality of the lithium ion battery.
Disclosure of Invention
The present invention is directed to solving the above problems and providing a device and a method for detecting the fluidity of lithium ion battery slurry.
The invention realizes the purpose through the following technical scheme:
the slurry storage tank comprises a support, an electronic scale, a slurry receiving and measuring cylinder and a slurry storage barrel, wherein the electronic scale is arranged at the inner bottom of the support, the slurry receiving and measuring cylinder is arranged on the electronic scale, and the slurry storage barrel is fixed at the top of the support and is positioned at the upper end of the slurry receiving and measuring cylinder.
Preferably, a switch controller is arranged on one side of the support, an electronic switch is arranged at the bottom of the slurry storage barrel, and the electronic switch is connected with the switch controller.
Preferably, the top of the inner wall of the slurry storage barrel is provided with a liquid level limiting line.
A method for detecting the fluidity of lithium ion battery slurry is characterized by comprising the following steps:
s1: controlling the slurry to be stabilized within a tolerance range of +/-5 ℃, wherein the temperature of the slurry is not lower than 20 ℃ at the lowest and not higher than 85 ℃ at the highest;
s2: filling the slurry to be tested into a slurry storage barrel, and leveling the slurry storage barrel with the liquid level limiting line;
s3: setting the starting time of the electronic switch to be 5-10 min;
s4: starting the electronic scale and returning the electronic scale to zero;
s5: starting an electronic switch, and enabling the slurry to flow into the slurry receiving measuring barrel;
s6: stopping the flow of the slurry by closing the electronic switch, and ensuring that the amount of the slurry which does not flow out of the slurry storage barrel is not less than 1/5;
s7: converting the outflow volume of the slurry in unit time according to the weight of the slurry weighed by the electronic scale;
s8: and after the test is finished, cleaning the measuring system.
According to the invention, the optimal starting time of the electronic switch is 8 min.
The invention has the beneficial effects that:
the invention provides a lithium ion battery slurry fluidity detection device and method, which can effectively and quickly judge the fluidity of slurry and collect meaningful and valuable reference data for better controlling the slurry and coating quality; the invention has the advantages of simple structure, stable performance and longer service life.
Drawings
Fig. 1 is a schematic structural diagram of the lithium ion battery slurry fluidity detection device and method of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1: the slurry storage device comprises a support 1, an electronic scale 7, a slurry receiving and measuring cylinder 5 and a slurry storage barrel 2, wherein the electronic scale 7 is arranged at the inner bottom of the support 1, the slurry receiving and measuring cylinder 5 is arranged on the electronic scale 7, and the slurry storage barrel 2 is fixed at the top of the support 1 and is positioned at the upper end of the slurry receiving and measuring cylinder 5.
One side of support 1 is provided with switch controller 6, and the bottom of thick liquids storage bucket 2 is provided with electronic switch 4, and electronic switch 4 is connected with switch controller 6.
The top of the inner wall of the slurry storage barrel 2 is provided with a liquid level limiting line 3.
A method for detecting the fluidity of lithium ion battery slurry is characterized by comprising the following steps:
s1: controlling the slurry to be stabilized within a tolerance range of +/-5 ℃, wherein the temperature of the slurry is not lower than 20 ℃ at the lowest and not higher than 85 ℃ at the highest;
s2: the slurry to be tested is filled into the slurry storage barrel 2 and is flush with the liquid level limiting line 3;
s3: setting the starting time of the electronic switch 4 to be 5-10 min;
s4: starting the electronic scale 7 and zeroing the electronic scale;
s5: starting the electronic switch 4, and enabling the slurry to flow into the slurry receiving measuring barrel 2;
s6: the electronic switch 4 is closed to stop the flow of the slurry, so that the amount of the slurry which does not flow out of the slurry storage barrel 2 is not less than 1/5;
s7: converting the outflow volume of the slurry in unit time according to the weight of the slurry weighed by the electronic scale;
s8: and after the test is finished, cleaning the measuring system.
The first embodiment is as follows:
the optimum on-time of the electronic switch 4 is 8 min.
In summary, the invention provides a device and a method for detecting the fluidity of lithium ion battery slurry, which can effectively and rapidly judge the fluidity of the slurry and collect meaningful and valuable reference data for better controlling the slurry and coating quality; the invention has the advantages of simple structure, stable performance and longer service life.
As will be apparent to those skilled in the art, many modifications can be made to the invention without departing from the spirit and scope thereof, and it is intended that the present invention cover all modifications and equivalents of the embodiments of the invention covered by the appended claims.
Claims (5)
1. The device for detecting the fluidity of the slurry of the lithium ion battery is characterized by comprising a support, an electronic scale, a slurry receiving measuring cylinder and a slurry storage barrel, wherein the electronic scale is arranged at the inner bottom of the support, the slurry receiving measuring cylinder is arranged on the electronic scale, and the slurry storage barrel is fixed at the top of the support and is positioned at the upper end of the slurry receiving measuring cylinder.
2. The lithium ion battery slurry fluidity detection device and method according to claim 1, characterized in that: one side of the support is provided with a switch controller, the bottom of the slurry storage barrel is provided with an electronic switch, and the electronic switch is connected with the switch controller.
3. The lithium ion battery slurry fluidity detection device and method according to claim 1, characterized in that: and a liquid level limiting line is arranged at the top of the inner wall of the slurry storage barrel.
4. A method for detecting the fluidity of lithium ion battery slurry is characterized by comprising the following steps:
s1: controlling the slurry to be stabilized within a tolerance range of +/-5 ℃, wherein the temperature of the slurry is not lower than 20 ℃ at the lowest and not higher than 85 ℃ at the highest;
s2: filling the slurry to be tested into a slurry storage barrel, and leveling the slurry storage barrel with the liquid level limiting line;
s3: setting the starting time of the electronic switch to be 5-10 min;
s4: starting the electronic scale and returning the electronic scale to zero;
s5: starting an electronic switch, and enabling the slurry to flow into the slurry receiving measuring barrel;
s6: stopping the flow of the slurry by closing the electronic switch, and ensuring that the amount of the slurry which does not flow out of the slurry storage barrel is not less than 1/5;
s7: converting the outflow volume of the slurry in unit time according to the weight of the slurry weighed by the electronic scale;
s8: and after the test is finished, cleaning the measuring system.
5. The lithium ion battery slurry fluidity detection method according to claim 1, characterized in that: according to step S3, the on time of the electronic switch is optimally 8 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811015529.5A CN110873675A (en) | 2018-08-31 | 2018-08-31 | Lithium ion battery slurry fluidity detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811015529.5A CN110873675A (en) | 2018-08-31 | 2018-08-31 | Lithium ion battery slurry fluidity detection device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110873675A true CN110873675A (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811015529.5A Pending CN110873675A (en) | 2018-08-31 | 2018-08-31 | Lithium ion battery slurry fluidity detection device and method |
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| Country | Link |
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| CN (1) | CN110873675A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075087A (en) * | 2021-04-09 | 2021-07-06 | 芜湖天弋能源科技有限公司 | Electrode paste performance testing device and testing method thereof |
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| CN1645096A (en) * | 2005-01-18 | 2005-07-27 | 武汉理工大学 | Tester and testing method for high-sensitivity cement thick liquid flowability |
| CN103743654A (en) * | 2013-12-20 | 2014-04-23 | 吴江市震宇缝制设备有限公司 | Device for measuring particle powder mobility |
| CN204027965U (en) * | 2014-07-09 | 2014-12-17 | 曾令长 | Powder fluidity and density measuring equipment |
| CN104330546A (en) * | 2014-10-24 | 2015-02-04 | 无锡帝科电子材料科技有限公司 | Fluid detector for electronic paste |
| CN104865162A (en) * | 2015-06-18 | 2015-08-26 | 厦门理工学院 | Automatic duct grouting material fluidity tester and use method thereof |
| CN107727536A (en) * | 2017-07-31 | 2018-02-23 | 东莞市创明电池技术有限公司 | Pulp of lithium ion battery expansion ratio detection method |
| CN207114369U (en) * | 2017-07-06 | 2018-03-16 | 河北高富氮化硅材料有限公司 | A kind of device of accurate measure slurry fluidity |
-
2018
- 2018-08-31 CN CN201811015529.5A patent/CN110873675A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10176983A (en) * | 1996-12-16 | 1998-06-30 | Kaname Wakasugi | Rheological measuring apparatus for cement-based mixture |
| CN1645096A (en) * | 2005-01-18 | 2005-07-27 | 武汉理工大学 | Tester and testing method for high-sensitivity cement thick liquid flowability |
| CN103743654A (en) * | 2013-12-20 | 2014-04-23 | 吴江市震宇缝制设备有限公司 | Device for measuring particle powder mobility |
| CN204027965U (en) * | 2014-07-09 | 2014-12-17 | 曾令长 | Powder fluidity and density measuring equipment |
| CN104330546A (en) * | 2014-10-24 | 2015-02-04 | 无锡帝科电子材料科技有限公司 | Fluid detector for electronic paste |
| CN104865162A (en) * | 2015-06-18 | 2015-08-26 | 厦门理工学院 | Automatic duct grouting material fluidity tester and use method thereof |
| CN207114369U (en) * | 2017-07-06 | 2018-03-16 | 河北高富氮化硅材料有限公司 | A kind of device of accurate measure slurry fluidity |
| CN107727536A (en) * | 2017-07-31 | 2018-02-23 | 东莞市创明电池技术有限公司 | Pulp of lithium ion battery expansion ratio detection method |
Non-Patent Citations (1)
| Title |
|---|
| 徐国荣 等 主编: "电化学设备与工程设计", 中国矿业大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075087A (en) * | 2021-04-09 | 2021-07-06 | 芜湖天弋能源科技有限公司 | Electrode paste performance testing device and testing method thereof |
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Application publication date: 20200310 |