CN109631510A - Contact baking equipment of lithium cell - Google Patents
Contact baking equipment of lithium cell Download PDFInfo
- Publication number
- CN109631510A CN109631510A CN201811418142.4A CN201811418142A CN109631510A CN 109631510 A CN109631510 A CN 109631510A CN 201811418142 A CN201811418142 A CN 201811418142A CN 109631510 A CN109631510 A CN 109631510A
- Authority
- CN
- China
- Prior art keywords
- baking
- pallet
- lithium battery
- contact apparatus
- insulated column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 25
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
- F26B9/066—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers the products to be dried being disposed on one or more containers, which may have at least partly gas-previous walls, e.g. trays or shelves in a stack
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/14—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
- F26B23/06—Heating arrangements using electric heating resistance heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/008—Seals, locks, e.g. gas barriers or air curtains, for drying enclosures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a contact type baking device of a lithium battery, which comprises a baking box main body, wherein the front end of the baking box main body is provided with a box door, at least one group of baking trays are detachably connected in the baking box main body, the upper end in the baking box main body is provided with a tray sealing block for sealing the top ends of the baking trays, the tray sealing block is connected with the baking box main body in a vertical sliding manner, the baking trays comprise a plurality of groups of heating plates which are arranged in parallel and are sealed through sealing grooves and sealing gaskets, the sealing performance of all the baking trays is ensured, meanwhile, a plurality of groups of baking trays with batteries can be baked, the production efficiency is improved, the economic performance is increased, and the energy consumption is reduced.
Description
Technical field
The present invention relates to lithium battery oil (gas) filling device technical field, the contact apparatus for baking of specifically a kind of lithium battery.
Background technique
During lithium battery processing, need to be removed the moisture in battery, it, can if moisture removal is not thorough
Performance and the service life of lithium battery can be greatly reduced.
In existing moisture removal technology, often by heating and vacuumize carry out moisture removal, but it is existing
Roasting plant often knows that being provided only with one vacuumizes interface and a nitrogen inlet, but due in baking process in roasting plant
Often place many batteries simultaneously, thus this equipment is rushing vacuum and is being filled with the process of nitrogen often in roasting plant
Fixed air flow path is formed, and to the battery not on air flow path, then will lead to moisture removal effect has a greatly reduced quality, in order to
Guarantee the quality of baking, often can only be by extending baking time, but this mode will lead to that energy consumption is serious, and production efficiency is low
Under, and the straight trip property of battery one produced is poor.
Summary of the invention
The purpose of the present invention is to provide a kind of contact apparatus for baking of lithium battery, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of contact apparatus for baking of lithium battery, including box main body is toasted, it is at least detachably connected in the baking box main body
There is one group of baking pallet, upper end slidably connects pallet sealing block in the baking box, and the baking pallet includes at least one
The heating board of group parallel arrangement and the insulated column of at least two groups parallel arrangement, hollow structure in the insulated column, and outside insulated column
Edge is equipped with venthole, and the baking pallet two sides are equipped with gas pipeline, gas pipeline described in two sides distinguish at least with one group every
It is connected to from column.
As a further solution of the present invention: the baking box main body includes cabinet, and the cabinet front end is equipped with chamber door, institute
Cabinet upper end is stated equipped with first hydraulic cylinder and second hydraulic cylinder, the first hydraulic cylinder piston is connect with chamber door, and described the
Two hydraulic cylinder pistons are connect through cabinet with the intracorporal pallet sealing block of case.
As a further solution of the present invention: the gas pipeline is equipped with connector, and the connector includes being connected to
The connecting hole of gas pipeline upper end and the connecting tube for being connected to gas pipeline lower end, difference baking pallets the connecting tubes with
Connection can be plugged between connecting hole.
As a further solution of the present invention: pallet sealing block two sides are equipped with for sealing connecting hole on baking pallet
Seal plug.
As a further solution of the present invention: the cabinet wall is equipped with tray supporter, the heating board and baking pallet
Bottom plate in be equipped with electric heater unit, the baking pallet two sides are equipped with tray support plate, and the tray support plate is detachable
It is connected on the tray supporter.
As a further solution of the present invention: shape between the bottom plate of the adjacent heating board and insulated column and baking pallet
At the groove for toasting lithium battery.
As a further solution of the present invention: gas pipeline described in two sides is respectively pump-line and admission line, described
Pump-line outer end is connected with vacuum pump, and described admission line one end is connected with source nitrogen.
As a further solution of the present invention: the baking pallet includes interior lining panel, and the heating board, insulated column are respectively provided with
On the inside of the interior lining panel.
As a further solution of the present invention: the baking pallet lower end is equipped with sealed groove, the baking pallet top
Equipped with seal washer.
As a further solution of the present invention: the baking pallet two sides are equipped with for connecting the insulated column and gas
The insulated column connecting hole of pipeline.
Compared with prior art, the beneficial effects of the present invention are:
The present invention can carry out comprehensive baking by being equipped with the heating board of resistive heater and toasting tray substrate to battery
It is roasting, it ensure that the uniformity toasted between the battery of different location and between the different parts of same battery, so that after baking
Battery uniformity it is more preferable；
The present invention is connected with the admission line of source nitrogen by setting and is connected with the pump-line of vacuum pump, and admission line
It is connected to respectively with insulated column with pump-line, insulated column is provided with multiple groups and is arranged vertically with heating plate, so that adjacent electricity
Be equipped with insulated column between pond, so circulation be passed through nitrogen and vacuumize it is more uniform so that the battery needed is located
In vacuum state, the quality of production is improved；
The application is successively overlapped by setting multiple groups and is placed into baking pallet, and close by sealed groove and seal washer progress
Envelope ensure that the sealing performance of all baking pallets, while can also toast to multiple groups equipped with the baking pallet of battery, mention
High production efficiency, increases economic performance, reduces energy consumption.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is schematic diagram of internal structure of the present invention；
Fig. 3 is sealing cover structure schematic diagram of the present invention；
Fig. 4 is present invention baking tray structure diagram；
Fig. 5 is present invention baking pallet top view；
Fig. 6 is present invention baking pallet axis surveys view；
Fig. 7 is present invention baking pallet local structural graph；
Fig. 8 is that present invention baking solves liner structure schematic diagram；
Fig. 9 is present invention baking pallet bottom view；
In figure: 1- toasts box main body, 11- cabinet, 12- chamber door, 13- first hydraulic cylinder, 14- second hydraulic cylinder, 15- pallet branch
Frame, 2- baking pallet, 21- pallet sealing block, 22- tray support plate, 23- sealed groove, 24- connector, 241- connecting hole,
242- connecting tube, 243- seal plug, 25- gas pipeline, 26- insulated column, 261- insulated column connecting hole, 27- heating board, 28-
Seal washer, 29- interior lining panel, 3- battery.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Please refer to Fig. 1-9, in the present embodiment, a kind of contact apparatus for baking of lithium battery, including baking box main body 1, baking box
Main body 1 includes cabinet 11, and 11 front end of cabinet is equipped with chamber door 12, and 11 upper end of cabinet is equipped with first hydraulic cylinder 13 and second hydraulic cylinder
14,13 piston of first hydraulic cylinder is connect with chamber door 12, and then can open or close chamber door by first hydraulic cylinder 13；
At least two groups baking pallet 2 is removably connected in cabinet 11, upper end is equipped with for carrying out to baking 2 top of pallet in cabinet 11
The pallet sealing block 21 of sealing, pallet sealing block 21 are slided up and down with baking box main body 1 and are connect, 14 lower end piston of second hydraulic cylinder
It is connect through cabinet 11 with the pallet sealing block 21 in cabinet 11；
Baking 2 lower end of pallet is equipped with sealed groove 23, and baking 2 top of pallet is equipped with seal washer 28, and difference is toasted between pallets 2
Reached by seal washer 28 and the cooperation of sealed groove 23 and be tightly connected between adjacent baking pallet 2, and the baking support of top
Disk 2 is connected and sealed by 21 pairs of baking pallet tops of pallet sealing block；
Toasting pallet 2 includes interior lining panel 29, and the heating board 27 and multiple groups insulated column 26 of multiple groups parallel arrangement are equipped in interior lining panel 29,
The groove for holding battery 3 is formed between the bottom plate of adjacent heating board 27 and insulated column 26 and baking pallet 2,
11 inner wall of cabinet is equipped with tray supporter 15, is equipped with electric heater unit in heating board 27 and the bottom plate of baking pallet 2, toasts
2 two sides of pallet are equipped with tray support plate 22, and tray support plate 22 is removably connected on tray supporter 15, tray support plate 22 with
Cable is equipped on tray supporter 15, and the cable on tray support plate 22 and tray supporter 15 can pass through tray support plate 22
The state that disassembly with tray supporter 15 is arrived conducting or interrupted, thus can be by being set to tray supporter 15 and tray support plate
Cable on 22 is powered for electric heater unit, and then passes through the heating in the bottom plate of tray support plate 22 and baking pallet 2
Device is that battery 3 carries out heated baking；
It toasts 2 two sides of pallet and is equipped with two groups of gas pipelines 25, insulated column 26 is arranged vertically with heating board 27, is in insulated column 26
Hollow structure, and 26 outer rim of insulated column is equipped with venthole, baking pallet 2 is equipped with for connecting insulated column 26 and gas pipeline 25
Insulated column connecting hole 261 is connected the gas pipeline 25 of two sides by insulated column connecting hole 261 at least one set of insulated column 26 respectively
It is logical, and when two sides gas pipeline 25 is different is connected to one group of insulated column 26, thus using two groups of gas pipelines 25 as pumping
Feed channel and admission line, pump-line outer end are connected with vacuum pump, and admission line one end is connected with source nitrogen, and then can lead to
The venthole that is arranged on insulated column 26 is crossed to being passed through nitrogen in baking pallet 2 or to vacuumizing in baking pallet 2；
Gas pipeline 25 be equipped with connector 24, connector 24 include be connected to 25 upper end of gas pipeline connecting hole 241 and
It is connected to the connecting tube 242 of 25 lower end of gas pipeline, can be plugged between the connecting tube 242 and connecting hole 241 of difference baking pallet 2
Connection, and then can be is respectively communicated with the adjacent pump-line toasted on pallet 2 and admission line, and then can dry for multiple groups
Roasting pallet 2 is vacuumized and is filled with nitrogen；
21 two sides of pallet sealing block are equipped with the seal plug 243 for sealing connecting hole 241 on baking pallet 2, seal plug 243
It is correspondingly arranged with connecting hole 241, and then can be to the baking pallet 2 of top in baking pallet 2 sequentially connected above and below multiple groups
Carry out end sealing；
When the present embodiment is in use, chamber door 12 is opened by first hydraulic cylinder 13 first, then takes out baking pallet 2, to
The battery 3 of baking is placed in the groove being made of the bottom plate of heating board 27, insulated column 26 and baking pallet 2, then will
Baking pallet 2 is placed into cabinet 11, while passing through the pallet branch in the tray support plate 22 and cabinet 11 of baking 2 two sides of pallet
15 pairs of baking pallets 2 of frame are fixedly connected, and the cable and support that will be used to power to heating device on tray support plate 22
Service cable connection on disc carrier 15, the quantity for toasting battery 3 as needed arrange a certain number of baking pallets 2, up and down
It is connected and sealed between adjacent baking pallet 2 by seal washer 28 and sealed groove 23, while will be neighbouring
Admission line and pump-line on baking pallet 2 are attached by connecting hole 241 and connecting tube 242, and baking pallet 2 is arranged
After the completion, start second hydraulic cylinder 14, drive pallet sealing block 21 to move downward by second hydraulic cylinder 14, and then can pass through
Seal plug 243 on pallet sealing block 21 is sealed the connecting hole 241 on top baking pallet 2, then passes through second
Hydraulic cylinder 14 drives pallet sealing block 21 to move downward, and then passes through the gasket of 21 pairs of pallet sealing block baking 2 upper ends of pallet
Circle 28 is compressed to reach the upper end opening of the baking pallet 2 to top and be sealed, and after the completion of sealing, starting first is hydraulic
Cylinder 13 drives chamber door 12 to move downward and be sealed to cabinet 11, and then completes baking preparation, then starts vacuum pump
And source nitrogen, it is vacuumized by pump-line and admission line to carrying out circulation in baking pallet 2, due to pump-line and air inlet
Include multiple groups insulated column 26 in pipeline so that the nitrogen for vacuumizing or being filled with it is more uniform cut and can contact need to be dried
Roasting battery 3, heating device while vacuumizing into heating board 27 and baking 2 bottom plate of pallet are powered, heating dress
It is set to resistive heater, thus comprehensive heated baking can be carried out to battery 3, ensure that different batteries 3 and same electricity
The uniformity toasted between 3 different parts of pond, baking while by circulating nitrogen gas and vacuumize can quickly and effectively by
Moisture in battery 3 excludes, and after the completion of baking, closes power supply, air pump, and late release source nitrogen, makes to restore normal in baking box
Then chamber door 12 is opened by first hydraulic cylinder 13, can take out the battery 3 after the completion of baking by pressure.
Embodiment 2
In the present embodiment, one group of baking pallet 2 is removably connected in cabinet 11, which is equipped with two groups of gases
Pipeline 25,25 lower end of gas pipeline are equipped with the gas pipeline interface for connecting with gas source or vacuum pump, while in baking pallet 2
Upper surface is equipped with seal washer 28, remaining structure is same as Example 1.
The present embodiment during use, need to only be put into one and be loaded with the baking pallet 2 of battery 3, then make pallet
Sealing block 21 moves downward and the seal washer 28 of 2 upper end of extrusion-baking pallet, and then reaches and be sealed to baking pallet 2,
Then it can be toasted, the baking preparation and baking process of the present embodiment remove the baking support of placement compared with Example 1
Remaining different outer step of 2 quantity of disk is consistent.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of contact apparatus for baking of lithium battery, including baking box main body (1), which is characterized in that the baking box main body
(1) one group of baking pallet (2) is at least removably connected in, the interior upper end of the baking box (1) slidably connects pallet sealing
Block (21), baking pallet (2) include the heating board (27) of at least one set of parallel arrangement and at least two groups are arranged in parallel every
From column (26), the interior hollow structure of the insulated column (26), and insulated column (26) outer rim is equipped with venthole, the baking pallet (2)
Two sides are equipped with gas pipeline (25), and gas pipeline (25) described in two sides is at least connected to one group of insulated column (26) respectively.
2. a kind of contact apparatus for baking of lithium battery according to claim 1, which is characterized in that the baking box main body
It (1) include cabinet (11), cabinet (11) front end is equipped with chamber door (12), and cabinet (11) upper end is equipped with first hydraulic cylinder
(13) it is connect with second hydraulic cylinder (14), first hydraulic cylinder (13) piston with chamber door (12), the second hydraulic cylinder
(14) piston is connect through cabinet (11) with the pallet sealing block (21) in cabinet (11).
3. a kind of contact apparatus for baking of lithium battery according to claim 1, which is characterized in that the gas pipeline
(25) connector (24) are equipped with, the connector (24) include be connected to the connecting hole (241) of gas pipeline (25) upper end with
And be connected to the connecting tube (242) of gas pipeline (25) lower end, difference baking pallet (2) the connecting tubes (242) with connect
Hole can plug connection between (241).
4. a kind of contact apparatus for baking of lithium battery according to claim 3, which is characterized in that the pallet sealing block
(21) two sides are equipped with the seal plug (243) for sealing connecting hole (241) in baking pallet (2).
5. a kind of contact apparatus for baking of lithium battery according to claim 1, which is characterized in that in the cabinet (11)
Wall is equipped with tray supporter (15), is equipped with electric heater unit, the baking in the bottom plate of the heating board (27) and baking pallet (2)
Roasting pallet (2) two sides are equipped with tray support plate (22), and the tray support plate (22) is removably connected to the tray supporter
(15) on.
6. a kind of contact apparatus for baking of lithium battery according to claim 1, which is characterized in that the adjacent heating board
(27) groove for toasting lithium battery is formed between insulated column (26) and the bottom plate of baking pallet (2).
7. a kind of contact apparatus for baking of lithium battery according to claim 1, which is characterized in that flue described in two sides
Road (25) is respectively pump-line and admission line, and the pump-line outer end is connected with vacuum pump, described admission line one end
It is connected with source nitrogen.
8. a kind of contact apparatus for baking of lithium battery according to claim 1, which is characterized in that the baking pallet
It (2) include interior lining panel (29), the heating board (27), insulated column (26) are all set on the inside of the interior lining panel (29).
9. a kind of contact apparatus for baking of lithium battery according to claim 1, which is characterized in that the baking pallet
(2) lower end is equipped with sealed groove (23), and the baking pallet (2) top is equipped with seal washer (28).
10. a kind of contact apparatus for baking of lithium battery according to claim 1, which is characterized in that the baking pallet
(2) two sides are equipped with the insulated column connecting hole (261) for connecting the insulated column (26) Yu the gas pipeline (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811418142.4A CN109631510B (en) | 2018-11-26 | 2018-11-26 | Contact baking equipment of lithium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811418142.4A CN109631510B (en) | 2018-11-26 | 2018-11-26 | Contact baking equipment of lithium cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109631510A true CN109631510A (en) | 2019-04-16 |
| CN109631510B CN109631510B (en) | 2020-09-04 |
Family
ID=66069125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811418142.4A Active CN109631510B (en) | 2018-11-26 | 2018-11-26 | Contact baking equipment of lithium cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109631510B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440549A (en) * | 2019-09-16 | 2019-11-12 | 东莞市德瑞精密设备有限公司 | Combined lithium battery dries jig |
| CN112648833A (en) * | 2020-12-24 | 2021-04-13 | 常德中科多源电力融合技术研究院 | Method for drying three-dimensional convolution type lithium ion battery pole piece |
| CN114526579A (en) * | 2022-01-21 | 2022-05-24 | 上海田枫实业有限公司 | Freeze dryer facilitating dehydration |
| CN115143741A (en) * | 2022-06-30 | 2022-10-04 | 赣州诺威新能源有限公司 | Water trap is used in lithium ion battery production |
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