CN211886683U - Ternary solid polymer lithium battery anode slurry manufacturing system - Google Patents
Ternary solid polymer lithium battery anode slurry manufacturing system Download PDFInfo
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- CN211886683U CN211886683U CN201922099143.3U CN201922099143U CN211886683U CN 211886683 U CN211886683 U CN 211886683U CN 201922099143 U CN201922099143 U CN 201922099143U CN 211886683 U CN211886683 U CN 211886683U
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Abstract
The utility model discloses a anodal thick liquids manufacturing system of ternary solid state polymer lithium cell, include: a main stirrer and two transfer tanks on the first layer; a feed inlet of the transfer tank is connected with a discharge outlet of the main stirrer; the four storage metering tanks, the temporary storage tank, the dry mixer and the glue solution stirrer are arranged on the second layer; the feed port of the temporary storage tank is connected with the discharge ports of the three storage metering tanks, the discharge port of the temporary storage tank is connected with the feed port of the dry mixer, and the discharge port of the dry mixer is connected with the dry material feed port of the main mixer; the discharge hole of the other storage metering tank is connected with the feed inlet of the glue solution stirrer, the solvent feed inlet of the glue solution stirrer is connected with the discharge hole of the other transfer tank and the glue solution feed inlet of the main stirrer, and the feeding mechanism of the third layer is respectively connected with the feed inlet of the storage metering tank through the discharge hole. The utility model discloses help the extensive batch production of positive pole thick liquids.
Description
Technical Field
The utility model relates to a battery production technical field especially relates to a anodal thick liquids manufacturing system of ternary solid state polymer lithium cell.
Background
In the traditional process of manufacturing the solid polymer lithium battery anode slurry, active materials, conductive agents and binders are usually put into a solvent to be stirred to obtain the slurry, the dispersion effect of the active materials is not ideal, various powder materials are uniformly distributed in a layer and are conveyed to a middle storage tank for feeding through pneumatic pressure conveying or vacuum suction, and the material conveying and feeding mode is low in efficiency, high in consumption, poor in metering accuracy and not beneficial to large-scale production.
In particular, most of the conventional methods for manufacturing the positive electrode slurry of the lithium battery adopt a vacuum material suction mode to suck powders such as an active material, a conductive agent, a binder and the like into a middle storage tank above a stirrer, and various powders are simply mixed and put into the stirrer, and simultaneously, a solvent is injected into the stirrer to be stirred for a certain time to obtain the positive electrode slurry. Because various powder materials are not fully mixed, namely, the powder materials are added into the stirrer for stirring, the performance of the slurry obtained by mixing is unstable, and the vacuum feeding mode has low efficiency, large energy consumption and poor precision, so that the rejection rate of the slurry is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical defect who exists among the prior art, and provide a anodal thick liquids manufacturing system of ternary solid state polymer lithium cell to stirring dispersion effect and precision are poor, throw the problem of expediting in solving the anodal thick liquids production process of lithium cell, satisfy the demand of the anodal thick liquids of extensive high performance ternary solid state polymer lithium cell.
For realizing the utility model discloses a technical scheme that the purpose adopted is:
the utility model provides a anodal thick liquids manufacturing system of ternary solid state polymer lithium cell, divides the three-layer from bottom to top to arrange, establishes in the workshop that closes thick liquid, includes:
the main stirrer, the first transfer tank and the second transfer tank are positioned on the first layer; the feed inlet of the first transfer tank is connected with the discharge outlet of the main stirrer;
the first storage metering tank, the second storage metering tank, the third storage metering tank, the fourth storage metering tank, the temporary storage tank, the dry mixer and the glue solution stirrer are positioned on the second layer; the feed inlet of the temporary storage tank is connected with the discharge outlets of the first storage metering tank, the second storage metering tank and the third storage metering tank, the discharge outlet of the temporary storage tank is connected with the feed inlet of the dry mixer, and the discharge outlet of the dry mixer is connected with the dry material feed inlet of the main mixer; a discharge hole of the fourth storage metering tank is connected with a feed hole of the glue solution stirrer, a solvent feed hole of the glue solution stirrer is connected with a discharge hole of the second transit tank, and a discharge hole of the glue solution stirrer is connected with a glue solution feed hole of the main stirrer;
and the active material feeding equipment, the first feeding bin, the second feeding bin and the third feeding bin which are positioned on the third layer are respectively connected with the feeding ports of the first storage metering tank, the second storage metering tank and the third storage metering tank through the discharging ports.
Furthermore, a conveying device is arranged on the third layer to convey the raw materials from the raw material warehouse to a feeding area of the third layer of the pulp mixing workshop.
Furthermore, a hoisting block is arranged in the feeding area of the third layer, so that the raw materials are hoisted to active material feeding equipment in an artificial auxiliary mode to be unpacked and fed.
When the utility model is used, the active material, the first conductive agent, the second conductive agent and the binding agent are respectively fed into the corresponding storage metering tank, then the active material, the first conductive agent and the second conductive agent are fed into the batch temporary storage tank after being metered, and are fed into the dry mixer after reaching the batch stirring amount to fully mix the active material and the conductive agent into the pre-mixed main material, and finally, the fully mixed premixed main material and the glue auxiliary material containing the binder with a certain concentration are fed into a main stirrer to be stirred and mixed, positive slurry with set viscosity and dispersity is obtained after stirring for a certain time, the positive slurry is fed into a slurry transfer tank to be stored, and the qualified slurry after iron removal is pumped or pumped to a coater to be coated.
The utility model discloses a ternary solid state polymer lithium cell positive pole thick liquids preparation method, gravity type blanking and spiral feed efficient, the precision is high, and drier and glue solution premix respectively can improve thick liquids dispersion can, and this positive pole material loading stirring method energy consumption is lower, the technology is clear controllable.
Drawings
FIG. 1 is a schematic diagram of a ternary solid polymer lithium battery positive electrode slurry manufacturing system of the present invention;
FIG. 2 is a top flow chart of the ternary solid polymer lithium battery positive electrode slurry preparation.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model discloses a anodal thick liquids manufacturing system of ternary solid state polymer lithium cell, concrete application environment is the production of the anodal thick liquids of ternary solid state polymer lithium cell, active material is ternary nickel cobalt lithium manganate powder weight and accounts for than 50%, first conductive agent is conductive carbon black weight and accounts for than 3%, the second conductive agent is graphite alkene weight and accounts for than 2%, the binder is polyvinylidene fluoride weight and accounts for than 4%, the solvent is N-methyl pyrrolidone weight and accounts for than 41%, powder measurement accuracy 0.5%, liquid material measurement accuracy 0.5%, throw the material district and do little environmental compartment, environmental control is temperature 25 + -3 ℃, humidity is less than or equal to 10%, the cleanliness factor is less than or equal to 10 ten thousand grades, artifical supplementary material automatic delivery after the material loading.
As shown in fig. 1, the utility model discloses a anodal thick liquids preparation system of ternary solid state polymer lithium cell divides the three-layer from bottom to top to arrange, establishes in the workshop that closes thick liquid, include:
a main mixer 1, a first transfer tank 15, and a second transfer tank 2 on the first floor; the feed inlet of the first transfer tank is connected with the discharge outlet of the main stirrer;
a first storage metering tank 5, a second storage metering tank 6, a third storage metering tank 7, a fourth storage metering tank 9, a temporary storage tank 4, a dry mixer 3 and a glue solution stirrer 8 which are positioned on the second layer; the feed inlet of the temporary storage tank is connected with the discharge outlets of the first storage metering tank, the second storage metering tank and the third storage metering tank, the discharge outlet of the temporary storage tank is connected with the feed inlet of the dry mixer, and the discharge outlet of the dry mixer is connected with the dry material feed inlet of the main mixer; a discharge hole of the fourth storage metering tank is connected with a feed hole of the glue solution stirrer, a solvent feed hole of the glue solution stirrer is connected with a discharge hole of the second transit tank, and a discharge hole of the glue solution stirrer is connected with a glue solution feed hole of the main stirrer;
and the active material feeding equipment 13, the first feeding bin 14, the second feeding bin 11 and the third feeding bin 10 which are positioned on the third layer are respectively connected with the feeding ports of the first storage metering tank, the second storage metering tank and the third storage metering tank through the discharging ports. The active material feeding equipment is an active material feeding barrel with a cover for dust prevention, is the equipment in the prior art and is not described in detail.
Further, a conveying device 22 is arranged on the third layer to convey the raw material 21 from the raw material warehouse to a feeding area of the third layer of the pulp mixing workshop. The conveyor apparatus 22 may be a horizontal conveyor or the like.
Furthermore, a hoisting block 14 is arranged in the feeding area of the third layer, so that the raw materials are hoisted to active material feeding equipment for unpacking and blanking in an artificial auxiliary mode.
The manufacturing device and the operation process are as follows:
active materials, conductive agents, binding agents and other powder 21 are conveyed from an original material library to a three-layer feeding area of a slurry mixing workshop through a conveying device 22, large packaged materials such as the active materials are lifted to an active material feeding device 13 to be unpacked and fed in an artificial auxiliary mode through a hoist 14, small packaged materials such as the conductive agents and the binding agents are grabbed to corresponding feeding bins (10, 11 and 12) to be unpacked and fed in an artificial mode, various powder flows into corresponding storage metering tanks (5, 6, 7 and 9) through pipelines, the storage metering tanks (5, 6 and 7) respectively weigh and feed the active materials, the first conductive agents and the second conductive agents to a temporary storage tank 4 according to the required quantity of stirring batches, then the powder flows into a dry mixer 3 in batches through the temporary storage tank 4 to be premixed, meanwhile, the storage metering tank 9 weighs and feeds the binding agent powder to a mixer glue solution 8 according to the required quantity of the glue solution, a solvent of the mixer 8 is transferred from a solvent tank 2 to be pressed and fed, the organic solvent of the transfer tank 2 is pumped from a factory solvent storage area, the mixed powder of the dry mixer 3 and the mixed glue of the glue solution stirrer 8 flow into the main stirrer 1 together, the positive slurry obtained by stirring various materials for a certain process time is pumped into the slurry transfer tank 15 for deironing, defoaming, temporary storage and sending to a coating station of the coating machine for coating operation.
The utility model discloses improved the preparation method of ternary solid state polymer lithium cell positive pole thick liquids, through the automatic blanking of gravity and measurement to and main material dry powder premixing and auxiliary material solvent premixing respectively in advance, improved thick liquids production efficiency and production precision, help the large-scale batch production of positive pole thick liquids, this method is suitable for the preparation of ternary solid state polymer lithium cell negative pole thick liquids equally.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. The utility model provides a anodal thick liquids manufacturing system of ternary solid state polymer lithium cell which characterized in that divides the three-layer from bottom to top to arrange, establishes in the workshop that closes thick liquid, includes:
the main stirrer, the first transfer tank and the second transfer tank are positioned on the first layer; the feed inlet of the first transfer tank is connected with the discharge outlet of the main stirrer;
the first storage metering tank, the second storage metering tank, the third storage metering tank, the fourth storage metering tank, the temporary storage tank, the dry mixer and the glue solution stirrer are positioned on the second layer; the feed inlet of the temporary storage tank is connected with the discharge outlets of the first storage metering tank, the second storage metering tank and the third storage metering tank, the discharge outlet of the temporary storage tank is connected with the feed inlet of the dry mixer, and the discharge outlet of the dry mixer is connected with the dry material feed inlet of the main mixer; a discharge hole of the fourth storage metering tank is connected with a feed hole of the glue solution stirrer, a solvent feed hole of the glue solution stirrer is connected with a discharge hole of the second transit tank, and a discharge hole of the glue solution stirrer is connected with a glue solution feed hole of the main stirrer;
and the active material feeding equipment, the first feeding bin, the second feeding bin and the third feeding bin which are positioned on the third layer are respectively connected with the feeding ports of the first storage metering tank, the second storage metering tank and the third storage metering tank through the discharging ports.
2. The system for manufacturing ternary solid polymer lithium battery positive electrode slurry as claimed in claim 1, wherein a conveying device is further arranged on the third layer to convey raw materials from a raw material warehouse to a feeding area of the third layer of the slurry mixing workshop.
3. The system for manufacturing ternary solid polymer lithium battery anode slurry according to claim 1 or 2, characterized in that a hoisting block is further arranged in the feeding area of the third layer, so that raw materials are hoisted to active material feeding equipment by manual assistance for unpacking and blanking.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922099143.3U CN211886683U (en) | 2019-11-29 | 2019-11-29 | Ternary solid polymer lithium battery anode slurry manufacturing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922099143.3U CN211886683U (en) | 2019-11-29 | 2019-11-29 | Ternary solid polymer lithium battery anode slurry manufacturing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114558484A (en) * | 2022-03-03 | 2022-05-31 | 奥星制药设备（石家庄）有限公司 | Automatic accurate partial shipment compounding glove box system of powder |
| WO2023160595A1 (en) * | 2022-02-24 | 2023-08-31 | 深圳市曼恩斯特科技股份有限公司 | Automatic scheduling and batching apparatus and coating system |
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2019
- 2019-11-29 CN CN201922099143.3U patent/CN211886683U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160595A1 (en) * | 2022-02-24 | 2023-08-31 | 深圳市曼恩斯特科技股份有限公司 | Automatic scheduling and batching apparatus and coating system |
| CN114558484A (en) * | 2022-03-03 | 2022-05-31 | 奥星制药设备（石家庄）有限公司 | Automatic accurate partial shipment compounding glove box system of powder |
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