CN207398263U - The compound direct coating system of dry powder heat - Google Patents
The compound direct coating system of dry powder heat Download PDFInfo
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- CN207398263U CN207398263U CN201721340160.6U CN201721340160U CN207398263U CN 207398263 U CN207398263 U CN 207398263U CN 201721340160 U CN201721340160 U CN 201721340160U CN 207398263 U CN207398263 U CN 207398263U
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Abstract
A kind of compound direct coating system of dry powder heat, including powder coating installation, mix powder is coated directly onto on collector, the mix powder includes at least cell positive electrode active material or battery negative electrodes active material and solid glue material；Powder positioner positions the mix powder on the direction vertical with collector direct of travel；Heating unit, and the mix powder is heated, the mucilage materials that consolidate is made to cure integrally together with the other materials in the mix powder, and adheres to and forms mixture layer on the collector.There is the utility model mix powder will not scatter, and any solvent is not required in the mixture layer formed advantage in uniform thickness, the utility model, so as to reduce solvent to the pollution of environment and save solvent and the cost that solvent is dried.
Description
Technical field
The utility model is related to a kind of compound direct coating system of dry powder heat, especially a kind of electrode of lithium cell dry powder heat is multiple
Close direct coating system.
Background technology
The coating of existing li-ion electrode, using wet coating, this wet coating is by lithium ion battery
Active material and corresponding organic solvent mix after, then be directly coated with or extrusion coated by way of, be applied on base material.
This coating method is after coating, it is necessary to which very long apparatus for baking is dry roasting to the electrode progress after coating, to remove electrode activity
Organic solvent and moisture content in substance.This organic solvent for being baked out, if do not recycled, is directly discharged to air
In, it will cause the pollution to air, if recycled, the fixed assets investment and battalion that can increase user are moved into
This.
To solve the above problems, there has been proposed directly with powder coated method, with reach need not use it is organic molten
Agent without subsequent baking process, while also avoids the purpose of pollution of the organic solvent to air；Such as Chinese patent
A kind of manufacturing method of lithium rechargeable battery, this method include disclosed in document CN103825050A：In the collector
The patterned coated of the second adhesive is carried out on surface, and is regularly formed adhesive coated portion and uncoated portion
Point；And mix powder is fed in described adhesive coated portion and the uncoated portion with the shape on the collector
Into the mixture layer.Although this manufacturing method employs the powder coated of organic solvent-free, can not have to roasting plant pair
Motor is toasted, and can also avoid pollution of the organic solvent to air, and still, this manufacturing method is first by second adhesive
It paints predetermined pattern, such as dotted or column on collector surface, then feeds and carry on the collector surface in predetermined pattern
The mix powder of first adhesive is compacted and forms mixture layer.This manufacturing method, using two pairs of rollers to including
When the mix powder of one adhesive carries out spreading, the mix powder is easy to scatter around, and causes what is formed
Mixture layer is irregular, and causes mixture layer in uneven thickness.
Utility model content
In order to overcome the above problem, the utility model provides a kind of mix powder to society and will not scatter, formed
The compound direct coating system of mixture layer dry powder heat in uniform thickness.
The technical solution of the utility model is：There is provided a kind of dry powder heat compound direct coating system, including,
Mix powder is coated directly onto on collector by powder coating installation, and the mix powder includes at least electricity
Pond active positive electrode material or battery negative electrodes active material and solid glue material；
Powder positioner positions the mix powder on the direction vertical with collector direct of travel；
Heating unit, and being heated to the mix powder makes described to consolidate mucilage materials together with the mixture
Other materials in powder cure integrally, and adhere to and form mixture layer on the collector.
As the improvement to the utility model, conductive glue apparatus for coating is further included, is led on the surface of collector
The coating of electric glue is regularly formed thermoelectricity glue rectangle coated portion and the patterned coated of uncoated portion.
As the improvement to the utility model, the powder coating installation includes powder hopper, in the outlet of powder hopper
Place is equipped with Quantitative dosing roller, and Quantitative dosing roller is equipped with blanking groove, the recessed net of blanking or blanking blind hole, adjustment quantitative material blanking roller
Rotating speed can adjust the powder output quantity of powder coating installation.
As the improvement to the utility model, heating unit is equipped in the powder positioner, utilizes the heating
Device heats the mucilage materials.
As the improvement to the utility model, the heating unit is heating roller.
As the improvement to the utility model, the utility model further includes the second powder coating installation, by mix powder
It is coated directly onto on the another side of collector, the mix powder includes at least cell positive electrode active material or battery negative electricity
Pole active material and solid glue material；
Second powder positioner, the mix powder on the direction vertical with collector direct of travel is positioned；
Secondary heating mechanism, and the mix powder is heated, make the mucilage materials that consolidate together with described mixed
The other materials closed in object powder cure integrally, and adhere to and the second mixture layer is formed on the collector.Realize two-sided painting
Cloth.
The utility model prevents mix powder from scattering as a result of first being positioned to mix powder, then, then
It is heating and curing to mix powder, it is made to form mixture layer on the current collector.Therefore, the utility model has mixture
Powder will not scatter, and any solvent is not required in the mixture layer formed advantage in uniform thickness, the utility model, so as to
Solvent is reduced to the pollution of environment and saves solvent and the cost that solvent is dried.
Description of the drawings
Fig. 1 is a kind of structure diagram of embodiment of the utility model.
The planar structure schematic diagram of collector after Fig. 2 the utility model applying conductive glue.
Fig. 3 be in Fig. 1 A to plan cross-section structure diagram.
Fig. 4 is the enlarged structure schematic diagram of the powder coating installation in Fig. 1.
Specific embodiment
In the description of the utility model, it is to be understood that " " center ", " on " in term, " under ", "front", "rear",
The orientation or position relationship of the instructions such as "left", "right" are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
State the utility model and simplify description rather than instruction or imply signified device or component must have specific orientation, with
Specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " first ", " second "
Description purpose is only used for, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connection ", " connected " should be interpreted broadly, for example, it may be being fixedly connected or dismantling connection or integrally connecting
It connects；Can be mechanical connection or electrical connection；It can be directly connected or be indirectly connected by intermediary,
It can be the connection of two component internals.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
Language is in the concrete meaning of the utility model.
Fig. 1 to Fig. 4 is referred to, the utility model also provides a kind of dry powder heat compound direct coating system, including,
Mix powder 11 is coated directly onto on collector 12 by powder coating installation 1, and the mix powder 11 is at least
Include cell positive electrode active material or battery negative electrodes active material and solid glue material；
Powder positioner 2 positions the mix powder 11 on the direction vertical with 12 direct of travel of collector；
In general, the direction vertical with collector direct of travel refers to the width of collector；
Heating unit 3, and being heated to the mix powder 11 makes described to consolidate mucilage materials together with the mixing
Other materials in object powder 11 cure integrally, and adhere to formation mixture layer 13 on the collector 12.F tables in Fig. 1
Show the direct of travel of collector 12.The collector 12 can be aluminium foil or copper foil.
The utility model use is first powder coated, then the mix powder of coating is positioned, and prevents mix powder
It is wandering, finally, heat cure is carried out to mix powder, it is made to adhere on the collector and forms mixture layer, in this way, this practicality
New that there is mix powder will not scatter, the mixture layer formed advantage in uniform thickness, the utility model need not appoint
What solvent, so as to reduce solvent to the pollution of environment and save solvent and the cost that solvent is dried.
Preferably, the utility model further includes conductive glue apparatus for coating 4, and conducting resinl is carried out on the surface of collector 12
The coating of water 41 is regularly formed thermoelectricity glue rectangle coated portion 42 and the patterned coated of uncoated portion 43.So-called company
Continuous coating is exactly the entire uninterrupted coating of one or both sides progress in collector；Or it is regularly formed the painting of conductive glue rectangle
Cloth part 42 and the patterned coated of uncoated portion 43, are shown in Fig. 3, are also intermittent coating, conductive glue rectangle coated portion
42 parts are used for subsequent adhesive mixture powder 11, and uncoated portion 43 is cut for pole piece.
Preferably, the powder coating installation 1 includes powder hopper 14, is equipped in the exit of powder hopper 14 under quantifying
Expect roller 15, Quantitative dosing roller 15 is equipped with blanking groove 151, the recessed net of blanking or blanking blind hole, and adjustment quantitative material blanking roller 15 turns
Speed can adjust the powder output quantity of powder coating installation 1.
Preferably, heating unit 3 is equipped in the powder positioner 2, using the heating unit 3 to the viscose glue
Material is heated；The heating unit 3 can be heating roller, and the heating roller can also be more with one.The heating
Heating source is equipped in roller, the heating source can be that electric heating infrared line generator or the hot heating source of oil, electric heating infrared line occur
The oil of device and the hot heating source of oil by the use of after heating is the prior art as heat source, and which is not described herein again.
Refer to Fig. 3, Fig. 3 is the A of powder positioner in Fig. 1 to plan cross-section structure diagram.It is described it was found from figure
Powder positioner 2 includes two pieces of width positioning plates 21 for being located at 12 top of collector and the supporting plate 22 positioned at 12 lower section of collector
Two parts, the width positioning plate 21 above collector 12 ensures the size of 11 width of mix powder, positioned at two
Heating unit 3 between block width positioning plate 21 heats mix powder 11, and mix powder 11 is made to be formed by curing mixing
Nitride layer 13.Certainly, the structure to the second following powder positioners 20 and operation principle and the structure of powder positioner 2
And principle is just the same.
Preferably, the utility model further includes the second powder coating installation 10, and mix powder 11 is coated directly onto collection
On the another side of electric body 12, the mix powder 11 includes at least cell positive electrode active material or battery negative electrodes activity material
Material and solid glue material；
Second powder positioner 20 carries out the mix powder 11 on the direction vertical with 12 direct of travel of collector
Positioning；
Secondary heating mechanism 30, and being heated to the mix powder 11 makes described to consolidate mucilage materials together with institute
The other materials stated in mix powder 11 cure integrally, and adhere to and the second mixture layer 130 is formed on the collector 12；
Second conductive glue apparatus for coating 40 carries out the coating or regularly of conductive glue 41 on the surface of collector 12
Form thermoelectricity glue rectangle coated portion 42 and the patterned coated of uncoated portion 43.
It is identical with for forming the equipment of mixture layer 13 for forming the equipment of the second mixture layer 130, so,
Which is not described herein again.
Conductive glue 41 in the utility model is mainly by groups such as resin matrix, conducting particles and dispersing additive and auxiliary agents
Into.Resin matrix therein is commonly used for epoxy resin, organic siliconresin, polyimide resin, phenolic resin, polyurethane or third
Olefin(e) acid resin etc..These resin matrixes form the molecular structure of conductive glue after hardening, provide mechanical property and
Adhesive property guarantee, and conducting particles is made to form passage；Conducting particles in the utility model can be gold, silver, copper, aluminium, zinc,
Iron, the powder of nickel and/or graphite and some conductive compounds.
Claims (6)
1. a kind of compound direct coating system of dry powder heat, it is characterised in that：Including,
Powder coating installation（1）, by mix powder（11）It is coated directly onto collector（12）On, the mix powder（11）
Including at least cell positive electrode active material or battery negative electrodes active material and solid glue material；
Powder positioner（2）, will be with collector（12）Mix powder on the vertical direction of direct of travel（11）Determined
Position；
Heating unit（3）, and to the mix powder（11）It is heated, makes the solid glue material together with the mixing
Object powder（11）In other materials cure integral, and adhere to the collector（12）Upper formation mixture layer（13）.
2. the compound direct coating system of dry powder heat according to claim 1, it is characterised in that：
Further include conductive glue apparatus for coating（4）, in collector（12）Surface on carry out conductive glue（41）Coating or rule
Then form thermoelectricity glue rectangle coated portion（42）And uncoated portion（43）Patterned coated.
3. the compound direct coating system of dry powder heat according to claim 1 or 2, it is characterised in that：The powder coated dress
It puts（1）Including powder hopper（14）, in powder hopper（14）Exit be equipped with Quantitative dosing roller（15）, Quantitative dosing roller（15）
It is equipped with blanking groove, the recessed net of blanking or blanking blind hole, adjustment quantitative material blanking roller（15）Rotating speed, powder coated dress can be adjusted
It puts（1）Powder output quantity.
4. the compound direct coating system of dry powder heat according to claim 1 or 2, it is characterised in that：It is positioned in the powder
Device（2）It is interior to be equipped with heating unit（3）, utilize the heating unit（3）The mucilage materials are heated.
5. the compound direct coating system of dry powder heat according to claim 4, it is characterised in that：The heating unit（3）It is
Heating roller.
6. the compound direct coating system of dry powder heat according to claim 1 or 2, it is characterised in that：Further include the second powder
Apparatus for coating（10）, by mix powder（11）It is coated directly onto collector（12）Another side on, the mix powder
（11）Including at least cell positive electrode active material or battery negative electrodes active material and solid glue material；
Second powder positioner（20）, will be with collector（12）Mix powder on the vertical direction of direct of travel（11）Into
Row positioning；
Secondary heating mechanism（30）, and to the mix powder（11）It is heated, makes the solid glue material together with institute
State mix powder（11）In other materials cure integral, and adhere to the collector（12）The second mixture layer of upper formation
（130）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721340160.6U CN207398263U (en) | 2017-10-18 | 2017-10-18 | The compound direct coating system of dry powder heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721340160.6U CN207398263U (en) | 2017-10-18 | 2017-10-18 | The compound direct coating system of dry powder heat |
Publications (1)
| Publication Number | Publication Date |
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| CN207398263U true CN207398263U (en) | 2018-05-22 |
Family
ID=62328572
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721340160.6U Active CN207398263U (en) | 2017-10-18 | 2017-10-18 | The compound direct coating system of dry powder heat |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732143A (en) * | 2017-10-18 | 2018-02-23 | 深圳市信宇人科技股份有限公司 | Dry powder heat compound directly coating method and system |
-
2017
- 2017-10-18 CN CN201721340160.6U patent/CN207398263U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732143A (en) * | 2017-10-18 | 2018-02-23 | 深圳市信宇人科技股份有限公司 | Dry powder heat compound directly coating method and system |
| CN107732143B (en) * | 2017-10-18 | 2023-09-15 | 深圳市信宇人科技股份有限公司 | Dry powder thermal compounding direct coating method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Direct coating system of dry powder heat recombination Effective date of registration: 20190410 Granted publication date: 20180522 Pledgee: Bank of Beijing Limited by Share Ltd Shenzhen branch Pledgor: Shenzhen xinyuren Polytron Technologies Inc Registration number: 2019990000315 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200722 Granted publication date: 20180522 Pledgee: Bank of Beijing Limited by Share Ltd. Shenzhen branch Pledgor: SHENZHEN XINYUREN TECHNOLOGY Co.,Ltd. Registration number: 2019990000315 |