CN203469902U - Stirring device for lithium ion battery manufacture - Google Patents
Stirring device for lithium ion battery manufacture Download PDFInfo
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- CN203469902U CN203469902U CN201320532751.9U CN201320532751U CN203469902U CN 203469902 U CN203469902 U CN 203469902U CN 201320532751 U CN201320532751 U CN 201320532751U CN 203469902 U CN203469902 U CN 203469902U
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Abstract
The utility model relates to a stirring device for lithium ion battery manufacture, the stirring device includes a mechanical stirring machine and a pipe ultrasonic nano dispersion machine, a material outlet at the bottom of the mechanical stirring machine is connected with a material inlet of a circulation pump by a delivery pipe a, a material outlet of the circulation pump is connected with a material inlet at the bottom of the pipe ultrasonic nano dispersion machine, the upper part of the pipe ultrasonic nano dispersion machine is provided with a material outlet, and the material outlet is connected with a material return port of the upper part of the mechanical stirring machine. The stirring device used for stirring can improve the slurry granularity, ensure the uniformity, improve the slurry dispersion effect, ensure the stability, completely eradicate slurry sedimentation and floating phenomenon, shorten the mixing time, improve the efficiency, reduce the energy consumption and enhance the electrical core low-temperature and discharge rate performances.
Description
Technical field
The utility model relates to a kind of agitating device of manufacturing for lithium ion battery, belongs to technical field of lithium-ion battery.
Background technology
At present, during lithium ion battery is manufactured, material stirring technique is that various chemical materials are mixed and add a kind of binding agent, then is stirred and formed by mixer.Its weak point: first, the pulp particle degree stirring out is to determine according to original material, varies uncontrollable; Secondly, the stirring technique time is longer, needs more than 10 hours, and production efficiency is low, energy consumption is large; In addition, the slurry scattering effect of stirring is unstable, easily occurs sedimentation and rising phenomenon.
Utility model content
The purpose of this utility model is to overcome the deficiency that prior art exists, and a kind of agitating device of manufacturing for lithium ion battery is provided.
The purpose of this utility model is achieved through the following technical solutions:
The agitating device of manufacturing for lithium ion battery, feature is: comprise machine mixer and pipe ultrasonic nano-dispersed machine, the discharging opening of mechanical agitation motor spindle is connected with the charging aperture of circulating pump by transfer canal, the discharging opening of circulating pump is connected with the charging aperture of pipe ultrasonic nano-dispersed motor spindle, pipe ultrasonic nano-dispersed machine top is provided with discharging opening, and described discharging opening is connected with the feedback outlet on machine mixer top by pipeline.
Further, the above-mentioned agitating device of manufacturing for lithium ion battery, described machine mixer is double-planet mixer.
Technical solutions of the utility model substantive distinguishing features and progressive being mainly reflected in:
The utility model improves pulp particle degree, guarantees evenly; Improve slurry scattering effect, guarantee to stablize, stop slurry sedimentation and rising phenomenon; Shorten mixing time, raising efficiency, reduction energy consumption; Promote battery core low temperature and discharge-rate performance.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Fig. 1: structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, the agitating device of manufacturing for lithium ion battery, comprise machine mixer 1 and pipe ultrasonic nano-dispersed machine 5, the discharging opening 2 of machine mixer 1 bottom is connected with the charging aperture of circulating pump 4 by transfer canal 3, the discharging opening of circulating pump 4 is connected with the charging aperture of pipe ultrasonic nano-dispersed machine 5 bottoms, pipe ultrasonic nano-dispersed machine 5 tops are provided with discharging opening 6, and discharging opening 6 is connected with the feedback outlet on machine mixer top by pipeline 7, and machine mixer 1 adopts double-planet mixer.
The stirring technique of manufacturing for lithium ion battery, comprises the following steps:
1) by composition proportion, take organic solvent, organic solvent joins in machine mixer;
2) take binding agent and join in machine mixer, machine mixer adopts revolution 10Hz and two kinds of modes of rotation 100Hz to combine and stirs 160～180 minutes;
3) machine mixer stops stirring, taking conductive carbon powder joins in machine mixer, machine mixer adopts revolution 35Hz and two kinds of modes of rotation 800Hz to combine and stirs, open pipeline ultrasonic nano dispersion machine simultaneously, after stirring, material flow forwards in pipe ultrasonic nano-dispersed machine and disperses, material after dispersion circulates in machine mixer again and stirs, and circulation stirring disperses 160～180 minutes;
4) stop mixer and pipe ultrasonic nano-dispersed machine, taking active material joins in machine mixer, machine mixer adopts revolution 35Hz and two kinds of modes of rotation 800Hz to combine and stirs, open pipeline ultrasonic nano dispersion machine simultaneously, after stirring, material flow forwards in pipe ultrasonic nano-dispersed machine and disperses, material after dispersion circulates in machine mixer again and stirs, and circulation stirring disperses 80～100 minutes;
5) close mixer and pipe ultrasonic nano-dispersed machine, vacuumize 20～30 minutes and carry out froth breaking, obtain the slurry that dispersed with stirring is good.
Adopt respectively mechanical agitation (30L double-planet mixer, revolution 40rpm, rotation 1500rpm) and pipe ultrasonic disperse to stir (power 4KW, frequency 20KHz, flow 10L/min) the dispersed with stirring same slurry that combines, stirs slurry by different mixings time, measures the D50 of slurry with laser particle analyzer, pipe ultrasonic disperses to stir significantly dispersed paste, significantly reduces pulp particle degree.
With light scattering apparatus, test respectively two kinds and stir disposed slurry dispersion stabilization, with the slurry that mechanical agitation technique stirs, in the measuring process of 5 hours, occurred serious reunion and had sedimentation and rising phenomenon simultaneously, and pipe ultrasonic disperses the slurry good pulp particle that suppresses in 5 hours stirring to occur to reunite and keep good stability.
Adopt respectively 0.2C/0.5C/1C electric discharge, measure and calculate the ratio of discharge capacity and charging capacity under different multiplying, the battery core that pipe ultrasonic disperses the slurry of stirring to produce with respect to churned mechanically slurry has better low temperature and high rate performance.
Shorten mixing time more than 2 hours, stirring technique has reduced the viscosity (former promising 8000-10000, this stirring technique is 6000-7000 after stirring) of slurry; The granularity that stirs disposed slurry reduces, and has stopped the phenomenon of slurry sedimentation and floating; Former technique stirs disposed slurry and in not stirring situation, understands sedimentation and floating again, and this stirring technique stirs disposed slurry and there will not be this phenomenon; Cryogenic property and the high rate performance of the product that the slurry stirring is prepared significantly promote.
In sum, the utility model improves pulp particle degree, guarantees evenly; Improve slurry scattering effect, guarantee to stablize, stop slurry sedimentation and rising phenomenon; Shorten mixing time, raising efficiency, reduction energy consumption; Promote battery core low temperature and discharge-rate performance.
It is to be understood that: the above is only preferred embodiment of the present utility model; for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (2)
1. the agitating device of manufacturing for lithium ion battery, it is characterized in that: comprise machine mixer and pipe ultrasonic nano-dispersed machine, the discharging opening of mechanical agitation motor spindle is connected with the charging aperture of circulating pump by transfer canal, the discharging opening of circulating pump is connected with the charging aperture of pipe ultrasonic nano-dispersed motor spindle, pipe ultrasonic nano-dispersed machine top is provided with discharging opening, and described discharging opening is connected with the feedback outlet on machine mixer top by pipeline.
2. the agitating device of manufacturing for lithium ion battery according to claim 1, is characterized in that: described machine mixer is double-planet mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320532751.9U CN203469902U (en) | 2013-08-29 | 2013-08-29 | Stirring device for lithium ion battery manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320532751.9U CN203469902U (en) | 2013-08-29 | 2013-08-29 | Stirring device for lithium ion battery manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203469902U true CN203469902U (en) | 2014-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320532751.9U Expired - Fee Related CN203469902U (en) | 2013-08-29 | 2013-08-29 | Stirring device for lithium ion battery manufacture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203469902U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418300A (en) * | 2013-08-29 | 2013-12-04 | 嘉德力电源科技（苏州）有限公司 | Stirring device and technology used for manufacturing lithium ion battery |
| CN107081100A (en) * | 2017-04-17 | 2017-08-22 | 中航锂电（洛阳）有限公司 | A kind of even system processed of even control equipment of slurry and slurry |
-
2013
- 2013-08-29 CN CN201320532751.9U patent/CN203469902U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418300A (en) * | 2013-08-29 | 2013-12-04 | 嘉德力电源科技（苏州）有限公司 | Stirring device and technology used for manufacturing lithium ion battery |
| CN103418300B (en) * | 2013-08-29 | 2016-03-30 | 启东市海信机械有限公司 | For the stirring technique of the agitating device that lithium ion battery manufactures |
| CN107081100A (en) * | 2017-04-17 | 2017-08-22 | 中航锂电（洛阳）有限公司 | A kind of even system processed of even control equipment of slurry and slurry |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20150829 |
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| EXPY | Termination of patent right or utility model |