CN206774634U - A kind of combination drying device of three-dimensional lithium titanate lithium ion battery battery core - Google Patents
A kind of combination drying device of three-dimensional lithium titanate lithium ion battery battery core Download PDFInfo
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- CN206774634U CN206774634U CN201720677468.3U CN201720677468U CN206774634U CN 206774634 U CN206774634 U CN 206774634U CN 201720677468 U CN201720677468 U CN 201720677468U CN 206774634 U CN206774634 U CN 206774634U
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- lithium ion
- ion battery
- battery core
- drying device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model provides a kind of combination drying device of three-dimensional lithium titanate lithium ion battery battery core, three-dimensional lithium titanate lithium ion battery is used as collector using three-dimensional band, three-dimensional band includes metal foil body and the flanging bore being located on the body, flanging bore is to be perforated without blanking, each flanging bore arranges in uniform intervals, and the periphery of adjacent or adjacent lines the flanging bores is raised to the two sides of described metal foil body respectively；Combination drying device includes drying box, is divided into two arid regions successively from import to outlet inside drying box, heating tube is provided with the first arid region, microwave heating source is provided with the second arid region.After with the dried battery core of heating tube, microwave frequency is adjusted using microwave heating source, the active material allowed in the positive plate of microwave fast heating battery core, the moisture of positive plate is dropped into a very low level in a short time, so targetedly the moisture inside positive pole can in a short time be reduced, reach the purpose of flash baking.
Description
Technical field
It the utility model is related to lithium ion battery manufacturing equipment field, more particularly to a kind of three-dimensional lithium titanate lithium ion battery
The combination drying device of battery core.
Background technology
Lithium ion battery within the more than ten years, has obtained very fast development since last century the nineties come out.Pass
The collector of system lithium ion battery plus-negative plate is applied positive electrode and negative material using coating process using plane foil
It is overlying on plane foil.The lithium titanate lithium ion battery that the technique makes, planar metal paper tinsel have obstructed pole plate A, B faces ion
Migration, the unbalanced stability that have impact between positive/negative plate of two-sided active material, cause battery pole plates to be locally in and overcharge, put
Electricity condition, add the unsafe factor of battery.Electrode thickness is between 50-150um, the volume shared by pole plate midplane foil
It is more bigger than with weight, the accounting of active material is influenceed, reduces energy density；Security performance is general, can not be surveyed by acupuncture
Examination；The manufacturing cost of pole plate is relatively high.
It is also further harsh with the requirement of condition for it with the continuous expansion of lithium ion battery operation strategies.Wherein,
The control of water content is to influence an important process control parameter of lithium battery performance, the moisture of lithium ion battery cell
Height can cause lithium battery, and contained humidity reacts with electrolyte in charge and discharge process, so as to influence making for lithium ion battery
With life-span and performance.How water content in battery core is effectively reduced, production efficiency is improved, it is cost-effective, it is battery manufacturing process
The problem of improving.
Prior art typically is used lithium ion battery cell being put into baking box and toasted, and utilizes the heating tube in baking box
Battery core is dried by way of heat radiation, though this method can reduce the water content of battery core, the positive active material in battery core
The internal crystallization water is not easy to dry, and the exceeded moisture for being also due to positive pole of general water content detection causes, in order to be completely dried, tradition
The time of heating is long needed for technique, and power consumption is also bigger, and production efficiency is relatively low.
Utility model content
In order to solve above-mentioned the deficiencies in the prior art, the utility model provides a kind of three-dimensional lithium titanate lithium ion battery battery core
Combination drying device.
Technical problem to be solved in the utility model is achieved by the following technical programs：
A kind of combination drying device of three-dimensional lithium titanate lithium ion battery battery core, the three-dimensional lithium titanate lithium ion battery are adopted
Include metal foil body and the flanging bore being located on the body, described flange by the use of three-dimensional band as collector, the three-dimensional band
Kong Weiwu blankings are perforated, each flanging bore in uniform intervals arrangement, the peripheries of adjacent or adjacent lines the flanging bores respectively to
The two sides projection of described metal foil body, the top of the projection are spatially latticed；The combination drying device includes drying
Casing, it is divided into two arid regions successively from import to outlet inside the drying box, is set in the first arid region
There is heating tube, microwave heating source is provided with the second arid region.
Further, covered with insulating layer on the drying box inwall.
Further, the heating tube is infrared ray heating tube.
The utility model has the advantages that：
After battery core in the utility model is dried using heating tube,
The heating of microwave is selective to different molecules, i.e., by adjusting the frequency of microwave, it only can be to a certain
Class material has stronger heat effect, and other materials do not have thermal response.The utility model utilizes this principle, with heating tube
After dried battery core, microwave frequency is adjusted using microwave heating source, the activity allowed in the positive plate of microwave fast heating battery core
Material, in a short time（10min）It is interior that the moisture of positive plate is dropped into a very low level, so can be targeted
The moisture inside positive pole is reduced in a short time, reach the purpose of flash baking, effectively reduce baking time, improve
Production efficiency.
Brief description of the drawings
Fig. 1 is structure chart of the present utility model；
Fig. 2 is the sectional structure chart of three-dimensional band.
In figure：1st, drying box, 2, entrance, 3, outlet, the 4, first arid region, the 5, second arid region, 6, heating tube,
7th, microwave heating source, 8, metal foil body, 9, flanging bore.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
Refering to Fig. 1-2, a kind of combination drying device of three-dimensional lithium titanate lithium ion battery battery core, the three-dimensional lithium titanate lithium
Ion battery battery core includes anode pole piece, cathode pole piece and barrier film, and anode pole piece includes plus plate current-collecting body and positive electrode coating,
Positive electrode coating is made up of positive electrode mixture coated on plus plate current-collecting body surface, and positive electrode mixture includes nanometer
Grain positive electrode, positive electrode binder, positive pole hybrid conductive agent and positive pole solvent；Cathode pole piece includes negative current collector and negative pole material
Expect coating, negative material coating is made up of negative material mixture coated on negative current collector surface.
The plus plate current-collecting body and negative current collector use three-dimensional band, and the three-dimensional band includes metal foil body 8 and set
Flanging bore 9 on the body, described flanging bore 9 are to be perforated without blanking, and each flanging bore 9 arranges in uniform intervals, adjacent
Or adjacent lines the flanging bore 9 periphery it is raised to the two sides of described metal foil body 8 respectively, the top of the projection is in vertical
Volume mesh shape.The utility model replaces traditional plane foil using three-dimensional band as lithium titanate lithium ion battery afflux carrier,
Three-dimensional band is two-sided in the fine and close three-dimensional gold of threadiness using two-way no blanking perforation, the uniform flanging bore 9 in the surface of metal foil body 8
Belong to skeleton, active material is played inlay, package action, the electric conductivity of active material is improved, so as to improve the machine of pole plate
Tool intensity.
The combination drying device includes drying box 1, is divided successively from import to outlet 3 inside the drying box 1
Into two arid regions, heating tube 6 is provided with the first arid region 4, heating tube 6 is fixed in drying box 1, heating
Evenly distributed between each fluorescent tube of pipe 6, heating tube 6 shares two rows, and the fluorescent tube of two row's heating tubes 6 is staggered, and battery core is placed in
Between two rows of lights pipe, make battery core heated evenly, more stable.Preferably, the heating tube 6 is infrared heating pipe 6, infrared ray
Heating has heat radiation stable, radiate than it is more uniform the features such as.
Covered with insulating layer, by setting insulating layer to make drying device heating effect good, heat on the inwall of drying box 1
Amount is lost in few；
Microwave heating source 7 is provided with the second arid region 5.The utility model is using the heating of microwave to different molecules
It is selective, i.e., by adjusting the frequency of microwave, it only can have stronger heat effect, other materials to certain a kind of material
Thermal response this principle is not had, after with 6 dried battery core of heating tube, is adjusted microwave frequency using microwave heating source 7, is allowed
Active material in the positive plate of microwave fast heating battery core, in a short time（10min）The interior moisture by positive plate drops
The level very low to one, so targetedly the moisture inside positive pole can in a short time be reduced, reach quick baking
Dry purpose, effectively reduces baking time, improves production efficiency.
Embodiment described above only expresses embodiment of the present utility model, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the utility model patent scope can not be interpreted as, as long as using equivalent substitution or the form of equivalent transformation institute
The technical scheme of acquisition, it all should fall within the scope of protection of the utility model.
Claims (3)
- A kind of 1. combination drying device of three-dimensional lithium titanate lithium ion battery battery core, it is characterised in that the three-dimensional lithium titanate lithium Ion battery is used as collector using three-dimensional band, and the three-dimensional band includes metal foil body and the flanging bore being located on the body, Described flanging bore is to be perforated without blanking, and each flanging bore arranges in uniform intervals, adjacent or adjacent lines the flanging bores Periphery is raised to the two sides of described metal foil body respectively, and the top of the projection is spatially latticed；The combination drying dress Put including drying box, be divided into two arid regions successively from import to outlet inside the drying box, dried first Heating tube is provided with region, microwave heating source is provided with the second arid region.
- 2. the combination drying device of three-dimensional lithium titanate lithium ion battery battery core as claimed in claim 1, it is characterised in that described Covered with insulating layer on drying box inwall.
- 3. the combination drying device of three-dimensional lithium titanate lithium ion battery battery core as claimed in claim 1, it is characterised in that described Heating tube is infrared ray heating tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720677468.3U CN206774634U (en) | 2017-06-12 | 2017-06-12 | A kind of combination drying device of three-dimensional lithium titanate lithium ion battery battery core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720677468.3U CN206774634U (en) | 2017-06-12 | 2017-06-12 | A kind of combination drying device of three-dimensional lithium titanate lithium ion battery battery core |
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| Publication Number | Publication Date |
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| CN206774634U true CN206774634U (en) | 2017-12-19 |
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| CN201720677468.3U Active CN206774634U (en) | 2017-06-12 | 2017-06-12 | A kind of combination drying device of three-dimensional lithium titanate lithium ion battery battery core |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376802A (en) * | 2018-02-05 | 2018-08-07 | 东莞市德瑞精密设备有限公司 | A kind of battery drying means |
| CN113251764A (en) * | 2021-07-16 | 2021-08-13 | 宁波大学 | Microwave vacuum drying method and equipment for super capacitor battery core |
| CN113594399A (en) * | 2021-06-21 | 2021-11-02 | 上海兰钧新能源科技有限公司 | Lithium battery pole piece and coating manufacturing method thereof |
| CN114497455A (en) * | 2020-10-27 | 2022-05-13 | 荣盛盟固利新能源科技有限公司 | Method for improving lithium ion battery pole piece cohesiveness by ray irradiation and lithium ion battery pole piece |
-
2017
- 2017-06-12 CN CN201720677468.3U patent/CN206774634U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376802A (en) * | 2018-02-05 | 2018-08-07 | 东莞市德瑞精密设备有限公司 | A kind of battery drying means |
| CN114497455A (en) * | 2020-10-27 | 2022-05-13 | 荣盛盟固利新能源科技有限公司 | Method for improving lithium ion battery pole piece cohesiveness by ray irradiation and lithium ion battery pole piece |
| CN113594399A (en) * | 2021-06-21 | 2021-11-02 | 上海兰钧新能源科技有限公司 | Lithium battery pole piece and coating manufacturing method thereof |
| CN113251764A (en) * | 2021-07-16 | 2021-08-13 | 宁波大学 | Microwave vacuum drying method and equipment for super capacitor battery core |
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