CN105202882B - pole piece drying device - Google Patents
pole piece drying device Download PDFInfo
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- CN105202882B CN105202882B CN201410261853.0A CN201410261853A CN105202882B CN 105202882 B CN105202882 B CN 105202882B CN 201410261853 A CN201410261853 A CN 201410261853A CN 105202882 B CN105202882 B CN 105202882B
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- pole piece
- microwave
- dried
- drying device
- metal cabinet
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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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- Drying Of Solid Materials (AREA)
Abstract
The invention provides a pole piece drying device, which comprises: the unwinding mechanism is used for providing, conveying and grounding the pole piece to be dried; the winding mechanism is used for winding and grounding the dried pole piece; and the microwave baking mechanism is arranged between the unwinding mechanism and the winding mechanism. The microwave baking mechanism comprises: a metal tank grounded and having opposing inlets and outlets; the insulating inner layer is attached to the inner wall of the metal box body; the microwave generator is arranged outside the metal box body; the microwave waveguide tube is connected with the microwave generator and the metal box body, and guides microwaves generated by the microwave generator into the metal box body so as to bake the pole piece to be dried; the microwave absorption assembly is arranged at the outlet of the metal box body or close to the outlet; the air outlet is arranged on one side wall of the metal box body; one end of the hot air pipe is connected with the air outlet; the air inlet is arranged on one side wall of the metal box body and connected with the other end of the hot air pipe; the dehydrator is arranged on the hot air pipe and is positioned at the upstream of the air inlet.
Description
Technical field
The present invention relates to a kind of pole piece processing unit, more particularly to a kind of pole piece drying device.
Background technology
Since realizing commercialization to lithium ion battery material from Sony corporation of Japan, lithium ion battery is because of its light weight, electricity
Pressure height, small volume, memory-less effect, specific energy is high, have extended cycle life, it is environment-friendly many advantages, such as, and rapidly portable
The field popularization and application of the portable type electronic product such as portable power source, mobile phone, portable computer, camera and video camera, and
Energy field occupies critical positions.
With the continuous expansion of the application field and usage amount of lithium ion battery, for lithium-ion battery system and produced
Journey proposes higher and higher requirement.The system material that conventional lithium ion battery is used uses hydrophobic material, right after winding
Naked battery core carries out baking water removal, is interruption, low production efficiency in operation.But if using baking dewatering process meeting again before winding
There are many limiting factors, differing for pole piece bounce-back and moisture between each layer of coiled strip can be such as caused in coiled strip baking process
Cause, difference is very big, simultaneously because internal layer fold is also inevitable caused by the bounce-back of pole piece.If removed using uncoiling conventional heating
Although water can avoid above mentioned problem, the Chinese patent application publication No. such as announced on May 18th, 2011 is
The patent document of CN102059214A discloses a kind of coating drying technology and its device, and it is by the way of vacuum uncoiling baking
To remove water, but out slow and production efficiency is low for moisture, and bonding polypropylene is such as used especially for new system material
The material of agent (PA) system.
Therefore a kind of quick heating water-eliminating method out of moisture that can be allowed while uncoiling of exploitation is needed.Microwave baking can
So that hydrone self-heating and from pole piece to external diffusion, so as to reach the purpose of quick baking water removal.Water and electrode material, such as stone
Ink, is excellent absorption microwave material, but the metal collector in pole piece can be produced in microwave (electromagnetic wave of high frequency)
Local current；Additionally probably due to there is burr and cause the generation of high-frequency discharge, so as to limit microwave in baking pole piece
Application in water removal.
The content of the invention
In view of problem present in background technology, it is an object of the invention to provide a kind of pole piece drying device, it can be fast
Speed, efficiently, it is uniform and safely pole piece toasted and removed water.
To achieve these goals, the invention provides a kind of pole piece drying device, pole piece includes collector and is arranged on
The active material layer containing active material on the surface of collector, the pole piece drying device includes：Unreeling structure, there is provided and
Conveying pole piece to be dried is simultaneously grounded the collector of pole piece to be dried；Rolling-up mechanism, dried pole piece is wound
And it is grounded the collector of dried pole piece；And microwave baking mechanism, it is arranged between unreeling structure and rolling-up mechanism.Its
In, microwave baking mechanism includes：Metal cabinet, ground connection and the entrance that enters with relative confession pole piece to be dried and supply drying
The outlet out of pole piece afterwards；Inner insulating layer, is covered in the inwall of metal cabinet；Microwave generator, is arranged at outside metal cabinet
Portion, produces microwave；Microwave waveguide pipe, connects microwave generator and metal cabinet, and the microwave that microwave generator is produced imports gold
Category box house, is toasted, with treating dry pole piece to obtain dried pole piece；Microwave absorption component, is arranged on gold
Belong to the outlet of casing or near outlet, absorb unnecessary microwave；Gas outlet, is arranged at the side wall of metal cabinet；Heating pipe, one end
Connection gas outlet；Air inlet, is arranged at the side wall of metal cabinet, connects the other end of heating pipe；And dehydrater, it is arranged at
On heating pipe and positioned at the upstream of air inlet, the moisture of gas in heating pipe is absorbed.
Beneficial effects of the present invention are as follows：
Pole piece drying device of the invention can make moisture rapidly outside from inside pole piece by the way of microwave baking
Diffusion, while the dry mode of uncoiling efficiently, quantitatively, uniformly can be dried to pole piece, and the device can be prevented
The generation of high-frequency discharge, such that it is able to safely realize the purpose of heating using microwave pole piece water removal, in addition the apparatus structure it is simple, into
This cheap, relatively low to environmental requirement, energy-conserving and environment-protective, easily realize industrialized mass production.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment according to pole piece drying device of the invention；
Fig. 2 is the structural representation of another embodiment according to pole piece drying device of the invention；
Fig. 3 is a simplification view of the pole piece drying device in Fig. 2, wherein only showing from unreeling structure to metal cabinet
Microwave absorption component and metal cabinet that Way out is observed；
Fig. 4 is the simplification view that the rightabout in Fig. 3 is seen, wherein only showing outlet of the rolling-up mechanism to metal cabinet
The metal cabinet of direction observation.
Wherein, description of reference numerals is as follows：
1 unreeling structure 312 is exported
11 unreel the inner insulating layer of spool 32
12 unreel the microwave generator of grounding shaft 33
13 unreel the microwave waveguide pipe of the axis of guide 34
The microwave absorption component of 2 rolling-up mechanism 35
The gas outlet of 21 collection reel 36
The 22 winding heating pipes of grounding shaft 37
The 23 winding air inlets of the axis of guide 38
The dehydrater of 3 microwave baking mechanism 39
31 metal cabinet P pole pieces
311 entrances
Specific embodiment
Describe pole piece drying device of the invention in detail with reference to the accompanying drawings.
Referring to figs. 1 to Fig. 2, pole piece P includes collector and the work containing active material being arranged on the surface of collector
Property material layer, pole piece drying device of the invention includes：Unreeling structure 1, there is provided and convey pole piece P to be dried and make to treat
The collector ground connection of dry pole piece P；Rolling-up mechanism 2, dried pole piece P is wound and is made dried pole piece P's
Collector is grounded；And microwave baking mechanism 3, it is arranged between unreeling structure 1 and rolling-up mechanism 2.Microwave baking mechanism 3 wraps
Include：Metal cabinet 31, ground connection and the entrance 311 that enters with relative confession pole piece P to be dried and go out for dried pole piece P
The outlet 312 for coming；Inner insulating layer 32, is covered in the inwall of metal cabinet 31；Microwave generator 33, is arranged at outside metal cabinet 31
Portion, produces microwave；Microwave waveguide pipe 34, connect microwave generator 33 and metal cabinet 31, by microwave generator 33 produce it is micro-
Waveguide enters inside metal cabinet 31, is toasted with treating dry pole piece P, to obtain dried pole piece P；Microwave absorption group
Part 35, is arranged on the outlet 312 of metal cabinet 31 or near outlet 312, absorbs unnecessary microwave；Gas outlet 36, is arranged at metal
The side wall of casing 31；Heating pipe 37, one end connection gas outlet 36；Air inlet 38, is arranged at the side wall of metal cabinet 31, even
Connect the other end of heating pipe 37；And dehydrater 39, the upstream of air inlet 38 is arranged on heating pipe 37 and is located at, absorb hot gas
The moisture of gas in pipe 37.
Explanation is needed exist for, pole piece P to be dried refers to contain water in the pole piece containing moisture, i.e. active material layer
The pole piece for dividing.Here moisture can be Free water, or the crystallization water.Under conditions of microwave baking, the water in pole piece P
Divide and absorb microwave, so as to vibrate and produce substantial amounts of heat, the active material on pole piece P also absorbs part microwave so that pole
Moisture in moisture vaporization in piece P, therefore pole piece P is quickly spread from inside to outside under thermal gradient by pole piece P.Additionally, common dry
Roasting mode can typically only remove the Free water in pole piece, but the mode of microwave baking can also remove crystallization in pole piece
Water.On the other hand, (at very high temperatures can mainly due to binding agent therein because pole piece can not bear temperature very high
Ageing failure), therefore in pole piece drying device of the invention, the temperature in metal cabinet 31 can be 60 DEG C~140 DEG C,
Preferably 70 DEG C~100 DEG C.
Wherein, be hedged off from the outer world for microwave by metal cabinet 31, and inner insulating layer 32 is by the gas of metal cabinet 31 and box house
Body completely cuts off, thus, it is to avoid sparking problem.
Unreeling structure 1, rolling-up mechanism 2 and metal cabinet 31 are grounded, it is ensured that the collector of metal cabinet 31 and pole piece P
Under same potential state, it is to avoid because voltage difference produce local current and caused by sparking problem.
Microwave absorption component 35 is used to absorb unnecessary microwave, unnecessary microwave such as microwave reflection and unloaded microwave.Will
Microwave absorption component 35 is arranged on the outlet 312 of metal cabinet 31 or is the reason for being close to outlet 312, microwave absorption component 35
Certain heat is produced while unnecessary microwave is absorbed, such that it is able to be beneficial to ensure the temperature in metal cabinet 31, so that
Farthest pole piece P is toasted and removed water.
Gas inside metal cabinet 31 can be circulated heating, water removal by pole piece drying device of the present invention.Institute
State gas is by the path of upstream to downstream：Inside metal cabinet 31-gas outlet 36- heating pipe 37- dehydrater 39- air inlets
Inside mouth 38- metal cabinets 31, specifically, reference picture 1, microwave generator 33 produces microwave, is imported by microwave waveguide pipe 34
Inside metal cabinet 31, act on the pole piece P of tape transport (during unwinding winding), the moisture vaporization in pole piece P, rapidly
From in pole piece P to the quick diffusion in pole piece P outsides, unnecessary microwave reflection and unloaded microwave is absorbed by microwave absorption component 35, with
Prevent unnecessary microwave from causing unnecessary sparking while producing certain heat, it is ensured that the temperature of pole piece baking process, dehydrater
39 upstreams for being arranged at air inlet 38, the gas to that will be returned to inside metal cabinet 31 by air inlet 38 is removed water, and is protected
The dry mass of the pole piece P inside card metal cabinet 31, while avoiding unnecessary moisture remnants from causing conductive ion in air
There are problems that the sparking for causing.
Pole piece drying device of the invention can make moisture rapidly outside from inside pole piece by the way of microwave baking
Diffusion, at the same the mode of uncoiling can efficiently, quantitatively, uniformly pole piece is dried, and simple structure, it is with low cost,
, energy-conserving and environment-protective relatively low to environmental requirement, easily realize industrialized mass production.
In an embodiment of pole piece drying device of the invention, reference picture 1, gas outlet 36 and air inlet 38 are set
On two relative side walls of metal cabinet 31, but in practice, not limited to this can be by inside metal cabinet 31 as long as can guarantee that
Gas be circulated heating, water removal gas path.
In an embodiment of unreeling structure 1, reference picture 1, unreeling structure 1 may include：Spool 11 is unreeled, is wound with thereon
Pole piece P to be dried；And grounding shaft 12 is unreeled, positioned at the downstream for unreeling spool 11 and make the collector of pole piece P to be dried
Ground connection.Specifically, it is upstream to downstream along the direct of travel (i.e. from unreeling structure 1 to the direction of rolling-up mechanism 2) of pole piece P.
In another embodiment of unreeling structure 1, reference picture 1, unreeling structure 1 may also include：The axis of guide 13 is unreeled, is located at
The downstream of spool 11 is unreeled, for will be led to microwave baking mechanism 3 from the pole piece P to be dried for unreeling releasing on spool 11
Draw and convey.
It should be noted that in Fig. 1, the grounding shaft 12 that unreels using metal material has with pole piece P and contacts well, when
When unreeling the ground connection of grounding shaft 12, the collector of pole piece P also corresponds to ground connection.It is certainly not limited to this, it is also possible to save and unreel ground connection
Axle 12, and will directly unreel spool 11 or unreel the axis of guide 13 and be grounded.The roll shaft of the metal material for being contacted with pole piece P can be with
Grounding is used, so that the collector ground connection of pole piece P.
In an embodiment of rolling-up mechanism 2, reference picture 1, rolling-up mechanism 2 may include：Collection reel 21, it is dry by what is conveyed
Pole piece P after dry is wound；And winding grounding shaft 22, positioned at the upstream of collection reel 21 and make dried pole piece P's
Collector is grounded.Specifically, it is upstream to downstream along the direct of travel of pole piece P.It should be noted that in Fig. 1, using metal
The winding grounding shaft 22 of material has with pole piece P and contacts well, when winding grounding shaft 22 and being grounded, the collector of pole piece P also phase
When in ground connection.It is certainly not limited to this, it is also possible to save winding grounding shaft 22, and directly by collection reel 21 or the winding axis of guide 23
Ground connection.
In another embodiment of rolling-up mechanism 2, reference picture 1, rolling-up mechanism 2 may also include：The winding axis of guide 23, is located at
The upstream of collection reel 21, for will be guided to collection reel 21 by the dried pole piece P after microwave baking mechanism 3
And convey.
It should be noted that in Fig. 1, had with pole piece P using the winding grounding shaft 22 of metal material and contacted well, when
When winding grounding shaft 22 is grounded, the collector of pole piece P also corresponds to ground connection.It is certainly not limited to this, it is also possible to save winding ground connection
Axle 22, and be directly grounded collection reel 21 or the winding axis of guide 23.
In an embodiment of pole piece drying device of the invention, the inner insulating layer 32 of microwave baking mechanism 3 can be adopted
With Teflon (Teflon) material.
In an embodiment of microwave absorption component 35, microwave absorption component 35 can be the material for absorbing microwave.
In an embodiment of microwave absorption component 35, microwave absorption component 35 can be tubulose.In one embodiment, microwave
Absorbent assembly 35 can be the tubular structure that can pass through microwave and the solvent of built-in absorption microwave.In another embodiment, it is micro-
Ripple absorbent assembly 35 can be the ceramic hollow tubular construction of internal filling circulation water.This is certainly not limited to, microwave absorption component 35
It can be tabular.
In an embodiment of pole piece drying device of the invention, as shown in figure 1, heating pipe 37 can be arranged in microwave
Absorbent assembly 35, such that it is able to save space, and can heat the gas in heating pipe 37, it is ensured that the gas in heating pipe 37 simultaneously
Temperature, and then cause that the temperature in metal cabinet 31 is unlikely to very low.
In an embodiment of microwave absorption component 35, reference picture 2 to Fig. 4, microwave absorption component 35 is tabular, and is accommodated
In metal cabinet 31, and with the opening 351 passed through for pole piece P.
In an embodiment of pole piece drying device of the invention, the metal cabinet 31, outlet of microwave baking mechanism 3
Metal material of the inner surface by smooth treatment is outside mouth 36, heating pipe 37, air inlet 38 and dehydrater 39.Thus, may be used
To prevent from operationally sparking and microwave leakage.
In an embodiment of pole piece drying device of the invention, the entrance 311 of microwave baking mechanism 3 and outlet
312 structures for being mounted on anti-microwave leakage.
In an embodiment of pole piece drying device of the invention, in the metal cabinet 31 of microwave baking mechanism 3,
Pole piece P is hanging and is supported by insulating supporting axle by the air supporting in microwave baking mechanism 3, or pole piece P.Thereby it is ensured that
Pole piece P is in formation state.
In an embodiment of gas outlet 36, referring to Figures 1 and 2, gas outlet 36 can be near outlet 312.
In an embodiment of air inlet 38, referring to Figures 1 and 2, air inlet 38 can be close to entrance 311.
In an embodiment of dehydrater 39, dehydrater 39 can be removed water using mode is vacuumized；In another embodiment, may be used
Removed water by modes such as molecular sieve, inorganic deicers.
Removed water using the mode of vacuumizing so that structure of the present invention is simpler.
Claims (12)
1. a kind of pole piece drying device, pole piece (P) includes collector and is arranged on the surface of collector to contain active material
Active material layer, the pole piece drying device includes：
Unreeling structure (1), there is provided and convey pole piece (P) to be dried and be grounded the collector of pole piece (P) to be dried；
Rolling-up mechanism (2), dried pole piece (P) is wound and the collector of dried pole piece (P) is grounded；And
Microwave baking mechanism (3), is arranged between unreeling structure (1) and rolling-up mechanism (2)；
Characterized in that, microwave baking mechanism (3) includes：
Metal cabinet (31), the entrance (311) and confession for being grounded and entering with relative confession pole piece to be dried (P) is dried
Pole piece (P) outlet (312) out；
Inner insulating layer (32), is covered in the inwall of metal cabinet (31)；
Microwave generator (33), is arranged at metal cabinet (31) outside, produces microwave；
Microwave waveguide pipe (34), connection microwave generator (33) and metal cabinet (31), by the micro- of microwave generator (33) generation
Waveguide enters metal cabinet (31) inside, is toasted with treating dry pole piece (P), to obtain dried pole piece (P)；
Microwave absorption component (35), is arranged on the outlet (312) of metal cabinet (31) or near outlet (312), absorbs unnecessary micro-
Ripple；
Gas outlet (36), is arranged at the side wall of metal cabinet (31)；
Heating pipe (37), one end connection gas outlet (36)；
Air inlet (38), is arranged at the side wall of metal cabinet (31), the other end of connection heating pipe (37)；And
Dehydrater (39), is arranged on heating pipe (37) and positioned at the upstream of air inlet (38), absorbs gas in heating pipe (37)
Moisture.
2. pole piece drying device according to claim 1, it is characterised in that unreeling structure (1) includes：
Spool (11) is unreeled, pole piece (P) to be dried is wound with thereon；
Grounding shaft (12) is unreeled, positioned at the downstream for unreeling spool (11) and is grounded the collector of pole piece (P) to be dried；And
The axis of guide (13) is unreeled, positioned at the downstream for unreeling spool (11), for will be from unreeling released on spool (11) to be dried
Pole piece (P) guided and conveyed to microwave baking mechanism (3).
3. pole piece drying device according to claim 1, it is characterised in that rolling-up mechanism (2) includes：
Collection reel (21), the dried pole piece (P) for conveying is wound；
Winding grounding shaft (22), positioned at the upstream of collection reel (21) and is grounded the collector of dried pole piece (P)；And
The winding axis of guide (23), positioned at the upstream of collection reel (21), for will be by after the drying after microwave baking mechanism (3)
Pole piece (P) guided and conveyed to collection reel (21).
4. pole piece drying device according to claim 1, it is characterised in that temperature in metal cabinet (31) for 60 DEG C~
140℃。
5. pole piece drying device according to claim 4, it is characterised in that the temperature in metal cabinet (31) is 70 DEG C
~100 DEG C.
6. pole piece drying device according to claim 1, it is characterised in that the inner insulating layer of microwave baking mechanism (3)
(32) Teflon material is used.
7. pole piece drying device according to claim 1, it is characterised in that microwave absorption component (35) is tubulose or plate
Shape.
8. pole piece drying device according to claim 7, it is characterised in that microwave absorption component (35) is micro- for that can pass through
The tubular structure of the solvent of ripple and built-in absorption microwave.
9. pole piece drying device according to claim 8, it is characterised in that microwave absorption component (35) is followed for inside filling
The ceramic hollow tubular construction of ring water.
10. pole piece drying device according to claim 1, it is characterised in that heating pipe (37) is arranged in microwave absorption group
Part (35).
11. pole piece drying devices according to claim 7, it is characterised in that microwave absorption component (35) is tabular, and is held
It is contained in metal cabinet (31), and with the opening (351) passed through for pole piece (P).
12. pole piece drying devices according to claim 1, it is characterised in that in the metal cabinet of microwave baking mechanism (3)
(31) in, pole piece (P) is hanging and is propped up by insulating supporting axle by the air supporting in microwave baking mechanism (3), or pole piece (P)
Support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261853.0A CN105202882B (en) | 2014-06-13 | 2014-06-13 | pole piece drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261853.0A CN105202882B (en) | 2014-06-13 | 2014-06-13 | pole piece drying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105202882A CN105202882A (en) | 2015-12-30 |
| CN105202882B true CN105202882B (en) | 2017-06-13 |
Family
ID=54950696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410261853.0A Active CN105202882B (en) | 2014-06-13 | 2014-06-13 | pole piece drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105202882B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946539A (en) * | 2017-11-09 | 2018-04-20 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | It is coated with drying equipment |
| CN110953865A (en) * | 2018-09-26 | 2020-04-03 | 北京卫蓝新能源科技有限公司 | Diaphragm drying device and method thereof |
| CN109682189A (en) * | 2018-12-27 | 2019-04-26 | 北京卫蓝新能源科技有限公司 | A kind of pole piece infrared drying apparatus |
| CN110400905B (en) * | 2019-06-14 | 2021-05-14 | 江西力能新能源科技有限公司 | Pole piece containing solid electrolyte and preparation method and application thereof |
| CN110586556A (en) * | 2019-07-26 | 2019-12-20 | 新乡市阳光电源制造有限公司 | Metal foil cleaning equipment and method for lithium battery |
| CN113357878B (en) * | 2021-05-31 | 2022-05-24 | 浙江超恒动力科技有限公司 | Battery cell dewatering method |
| CN216245406U (en) * | 2022-02-08 | 2022-04-08 | 宁德时代新能源科技股份有限公司 | Drying device and pole piece drying equipment |
| CN115325807B (en) * | 2022-07-29 | 2024-09-06 | 广东利元亨智能装备股份有限公司 | Pole piece drying device |
| CN118613432A (en) * | 2022-09-21 | 2024-09-06 | 宁德时代新能源科技股份有限公司 | Material transportation carrier, carrying device, drying system and control method |
| CN115837345B (en) * | 2022-11-29 | 2024-08-13 | 湖北亿纬动力有限公司 | Drying device and pole piece drying system |
| CN116213218B (en) * | 2023-01-31 | 2024-08-27 | 广东利元亨智能装备股份有限公司 | Pole piece fixing device, pole piece drying equipment and pole piece drying method |
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| EP0071123B1 (en) * | 1981-07-31 | 1985-10-02 | Agfa-Gevaert AG | Microwave device for warming and/or drying flat materials passing through the device |
| CN102607240A (en) * | 2012-03-06 | 2012-07-25 | 宁德新能源科技有限公司 | Drying equipment and drying method for lithium ion battery electrodes |
| CN103017496A (en) * | 2011-09-22 | 2013-04-03 | 宜春青山能源有限公司 | Drying device and method of lithium-ion power battery pole piece |
| CN202888313U (en) * | 2012-09-20 | 2013-04-17 | 东莞新能源科技有限公司 | Device for processing anode strip of lithium ion battery |
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2014
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0071123B1 (en) * | 1981-07-31 | 1985-10-02 | Agfa-Gevaert AG | Microwave device for warming and/or drying flat materials passing through the device |
| CN103017496A (en) * | 2011-09-22 | 2013-04-03 | 宜春青山能源有限公司 | Drying device and method of lithium-ion power battery pole piece |
| CN102607240A (en) * | 2012-03-06 | 2012-07-25 | 宁德新能源科技有限公司 | Drying equipment and drying method for lithium ion battery electrodes |
| CN202888313U (en) * | 2012-09-20 | 2013-04-17 | 东莞新能源科技有限公司 | Device for processing anode strip of lithium ion battery |
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| CN105202882A (en) | 2015-12-30 |
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Address after: 352100 Jiaocheng District of Ningde City, Fujian Province Zhang Wan Zhen Xingang Road No. 1 Applicant after: Contemporary Amperex Technology Co.,Ltd. Address before: 352100 Jiaocheng District of Ningde City, Fujian Province Zhang Wan Zhen Xingang Road No. 1 West Building 1F- research Applicant before: CONTEMPORARY AMPEREX TECHNOLOGY Ltd. |
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