CN206317512U - Mend lithium equipment - Google Patents

Mend lithium equipment Download PDF

Info

Publication number
CN206317512U
CN206317512U CN201621435710.8U CN201621435710U CN206317512U CN 206317512 U CN206317512 U CN 206317512U CN 201621435710 U CN201621435710 U CN 201621435710U CN 206317512 U CN206317512 U CN 206317512U
Authority
CN
China
Prior art keywords
roll
transferring roller
base material
component
releasing agent
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.)
Active
Application number
CN201621435710.8U
Other languages
Chinese (zh)
Inventor
胡招
谢斌
徐永强
李克强
郭超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Contemporary Amperex Technology Co Ltd
Original Assignee
Contemporary Amperex Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Contemporary Amperex Technology Co Ltd filed Critical Contemporary Amperex Technology Co Ltd
Priority to CN201621435710.8U priority Critical patent/CN206317512U/en
Application granted granted Critical
Publication of CN206317512U publication Critical patent/CN206317512U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Battery Electrode And Active Subsutance (AREA)

Abstract

The application is related to energy storage device manufacture field, more particularly to a kind of benefit lithium equipment, component is unreeled including base material, base material winds component, first composite roll, transferring roller, lithium band unreels component, second composite roll, carrier unreels component, carrier winds component, releasing agent applicator assembly and cleaning assembly, the surface that releasing agent applicator assembly is used for transferring roller coats releasing agent, lithium band, which unreels component, to be used to unreel lithium band, base material, which unreels component, to be used to unreel base material, first composite roll coordinates with transferring roller roll-in, base material winding component is used to wind the base material after the first composite roll, carrier, which unreels component, to be used to unreel carrier, second composite roll coordinates with transferring roller roll-in, carrier winding component is used to wind the carrier after the second composite roll, cleaning assembly is used on the surface for the transferring roller cleared up before releasing agent applicator assembly is arrived on the surface of transferring roller after the second composite roll.Benefit lithium equipment provided herein can save the usage amount of base material, reduce production cost.

Description

Mend lithium equipment
Technical field
The application is related to energy storage device manufacture field, more particularly to a kind of benefit lithium equipment.
Background technology
Lithium battery, due to the generation of SEI films, can cause the irreversible loss of cathode activity lithium during initial charge, special It is not to be become apparent for the aluminosilicate alloy material of high-energy.In addition, with the consumption of SEI films in lithium ion battery cyclic process And reparation, the loss of inside battery active lithium also can gradually increase, so as to reduce battery capacity.Lithium technique is mended to pass through in anode surface One layer of very thin lithium belt is artificially covered, amount of activated lithium is supplemented, so as to greatly improve first effect in lithium battery, negative electrode lithium is reduced Irreversible loss, for improve battery core capacity density important in inhibiting.
Benefit lithium technology in correlation technique, which is used, is placed on lithium band in the middle of the first base material and the second base material, passes through roller Bonder is pressed, lithium band is bonded in the second substrate surface.Again by stripping off device, by the second base material from the first base after roll-in It is stripped out in material, lithium band, the second base material.The first base material and lithium band after stripping is again by set composite, by the first base material table The lithium belt in face is transferred to final carrier (such as collector) surface.
Thin lithium band must be sticked to the first base material surface by the technique, be then transferred to anode surface, therefore the first base material Consumption is huge, and cost is also higher.
Utility model content
Lithium equipment is mended this application provides one kind, above mentioned problem is can solve the problem that.
Lithium equipment is mended this application provides one kind, including base material unreels component, base material and winds component, the first composite roll, turns Shifting roller, lithium band unreel component, the second composite roll, carrier and unreel component, carrier winding component, releasing agent applicator assembly and cleaning Component,
The surface that the releasing agent applicator assembly is used for the transferring roller coats releasing agent,
The lithium band, which unreels component, to be used to unreel lithium band, and the base material, which unreels component, to be used to unreel base material,
First composite roll and the transferring roller roll-in coordinate, and can will be laminated the base material placed and described Lithium band carries out roll-in, and the lithium band is sticked on the surface after releasing agent described in the transfer roll coating,
The base material winding component is used to wind the base material after first composite roll,
The carrier, which unreels component, to be used to unreel carrier,
Second composite roll coordinates with the transferring roller roll-in, and the lithium that will can be sticked on the transferring roller Band is transferred on the carrier,
The carrier winding component is used to wind the carrier after second composite roll,
The cleaning assembly is used to clear up before arriving at the releasing agent applicator assembly on the surface of the transferring roller and passed through The surface of the transferring roller after second composite roll.
Preferably, along the circumference of the transferring roller, the releasing agent applicator assembly, first composite roll, described second Composite roll and the cleaning assembly are arranged successively.
Preferably, the releasing agent applicator assembly includes applicator roll and material trough,
The surface of the applicator roll has some adsorbent chambers, and the material trough can be in the rotation process of the applicator roll The releasing agent is infiltrated into the adsorbent chamber,
The applicator roll is contacted and backwards rotation with the transferring roller, and the releasing agent that will be infiltrated in the adsorbent chamber It is coated in the surface of the transferring roller.
Preferably, the releasing agent applicator assembly also includes screeding scraper, and the screeding scraper is with infiltrating the releasing agent The surface of the applicator roll where the adsorbent chamber afterwards is fitted, and the blade of the screeding scraper is applied towards with described The rotation direction for covering roller is at an acute angle.
Preferably, the adsorbent chamber is pit.
Preferably, the depth of the pit is 10 μm~50 μm.
Preferably, the cleaning assembly includes cleaning scraper, the blade of the cleaning scraper and the surface of the transferring roller Fit, and the cleaning scraper blade towards with the rotation direction of the transferring roller in obtuse angle.
Preferably, the cleaning assembly also includes negative pressure device, and the negative pressure device is located at the top of the cleaning scraper.
Preferably, the cleaning assembly also includes cleaning device, along the rotation direction of the transferring roller, the cleaning device Positioned at the rear of the cleaning scraper, the surface for cleaning the transferring roller.
Preferably, the cleaning device is high temperature gas cleaning device.
The technical scheme that the application is provided can reach following beneficial effect:
Lithium band can be directly transferred on carrier by benefit lithium equipment provided herein by base material and transferring roller, and nothing Transfer need to be carried out by single base material again, therefore save the usage amount of base material, reduce production cost.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary, this can not be limited Application.
Brief description of the drawings
The overall structure diagram for the benefit lithium equipment that Fig. 1 is provided by the embodiment of the present application;
The concrete structure schematic diagram for the releasing agent applicator assembly that Fig. 2 is provided by the embodiment of the present application.
Reference:
10- base materials unreel component;
100- base materials unreel spool;
102- base materials unwinding tension controls roller;
104- base materials unreel deviation correcting device;
106- base materials unreeled roller;
11- base materials wind component;
110- base material collection reels;
112- base materials winding tension controls roller;
114- base materials wind deviation correcting device;
116- base materials wound roller;
The composite rolls of 12- first;
13- transferring rollers;
14- lithium bands unreel component;
140- lithium bands unreel spool;
142- lithiums band unwinding tension controls roller;
144- lithium bands unreel deviation correcting device;
146- lithium bands unreeled roller;
148- lithiums band pinch roll;
The composite rolls of 15- second;
16- carriers unreel component;
160- carriers unreel spool;
162- carriers unwinding tension controls roller;
164- carriers unreel deviation correcting device;
166- carriers unreeled roller;
17- carriers wind component;
170- carrier collection reels;
172- carriers winding tension controls roller;
174- carriers wind deviation correcting device;
176- carriers wound roller;
18- releasing agent applicator assemblies;
180- applicator rolls;
180a- adsorbent chambers;
182- material troughs;
184- screeding scrapers;
19- cleaning assemblies;
190- clears up scraper;
192- negative pressure devices;
194- cleaning devices;
2- base materials;
3- lithium bands;
4- carriers.
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the application Example, and be used to together with specification to explain the principle of the application.
Embodiment
The application is described in further detail below by specific embodiment and with reference to accompanying drawing.Described in text The laying state of "front", "rear", "left", "right", " on ", " under " using the benefit lithium equipment in accompanying drawing is reference.
As shown in figure 1, the embodiment of the present application provides a kind of benefit lithium equipment, including base material unreels component 10, base material winding Component 11, the first composite roll 12, transferring roller 13, lithium band unreel component 14, the second composite roll 15, carrier and unreel component 16, carrier Wind component 17, releasing agent applicator assembly 18 and cleaning assembly 19.
Wherein, the roll neck of transferring roller 13 will be much bigger compared to the first composite roll 12 and the second composite roll 15, to turn Move centered on roller 13, the first composite roll 12, the second composite roll 15, releasing agent applicator assembly 18 and cleaning assembly 19 are distributed respectively In the surrounding of transferring roller 13, also, according to respective function and the difference of process, along the circumference of transferring roller 14, releasing agent coating Component 18, the first composite roll 12, the second composite roll 15 and cleaning assembly 19 are arranged successively.
Base material, which unreels component 10 and unreels spool 100, base material unwinding tension control roller 102, base material including base material, unreels correction Controller 104 and base material unreeled roller 106, and base material volume 2 is placed on base material and unreeled on spool 100, and roller 102 is controlled in substrate tension In the presence of, start stabilization and unreel feeding, in the presence of base material unreels deviation correcting device 104, the steady tape transport of base material 2, and lead to Cross base material and unreel the adjustment tape transport of roller 106 direction.
Lithium band, which unreels component 14 and unreels spool 140, lithium band unwinding tension control roller 142, lithium band including lithium band, unreels correction Controller 144, lithium band unreeled roller 146 and lithium band pinch roll 148, and lithium band volume 3 is placed on lithium band and unreeled on spool 140, in lithium In the presence of band unwinding tension control roller 142, start stabilization and unreel feeding, in the presence of lithium band unreels deviation correcting device 144, The steady tape transport of lithium band 3, and the adjustment tape transport of roller 146 direction was unreeled by lithium band, lithium provides the pan feeding of lithium band 3 with pinch roll 148 Frictional force.
Carrier, which unreels component 16 and unreels spool 160, carrier unwinding tension control roller 162, carrier including carrier, unreels correction Controller 164 and carrier unreeled roller 166, and carrier volume 4 is placed on carrier and unreeled on spool 160, in carrier tension control roll 162 In the presence of, start stabilization and unreel feeding, in the presence of carrier unreels deviation correcting device 164, the steady tape transport of carrier 4, and lead to Cross carrier and unreel the adjustment tape transport of roller 166 direction.
The surface that releasing agent applicator assembly 18 is used for transferring roller coats releasing agent, the adhesion on reduction transferring roller 13 surface Property.As shown in Fig. 2 releasing agent applicator assembly 18 includes applicator roll 180, material trough 182 and screeding scraper 184.Applicator roll 180 Surface there are some adsorbent chamber 180a, adsorbent chamber 180a effect is that, for storing releasing agent, its shape can use pit Form, pit can not be too deep, and otherwise releasing agent therein is difficult the surface for being applied to transferring roller 13.Generally, pit Depth in 10 μm~50 μ ms.
Material trough 182 is generally located on the top of applicator roll 180, so, the material trough during applicator roll 180 is rotated 182 just can infiltrate releasing agent into adsorbent chamber 180a.Also, material trough 182 can set an opening and be directed at applicator roll 180 Surface, is just directly soaked in the releasing agent in material trough 182 during surface pivots to the opening of applicator roll 180, with coating Roller 180 is rotated further and completes impregnation process.
The effect of screeding scraper 184 is to scrape the releasing agent for overflowing adsorbent chamber 180a, it is ensured that the surface of applicator roll 180 Dosage uniformity is stripped, in order to realize this purpose, screeding scraper 184 needs and the adsorbent chamber 180a after infiltration releasing agent The surface of the applicator roll 180 at place fits, and the blade direction of screeding scraper 184 needs the rotation direction with applicator roll 180 It is at an acute angle, that is to say, that applicator roll 180 turns to blade by the root of screeding scraper 184.After floating, applicator roll 180 and transferring roller 13 contacts, while the two needs to carry out backwards rotation, that is to say, that the direction of motion of the contact surface of the two will be on the contrary, to adsorb The releasing agent infiltrated in chamber 180a is coated in the surface of transferring roller 13.
As shown in figure 1, the first composite roll 12 coordinates with the roll-in of transferring roller 13, component 10 is unreeled by base material and lithium band is unreeled The base material 2 and lithium band 3 that component 14 unreels out can converge before the first composite roll 12, ensure the direction of lithium band 3 when converging Transferring roller 13.Rear substrate 2 and lithium band 3 can commonly through the roll gap between the first composite roll 12 and transferring roller 13, and by Calendering, forms thin lithium band.By suitably adjusting speed, the pressure and other parameters of base material 2 and lithium band 3, the surface of base material 2 can be made Larger change occurs for adhesion, and less than the surface of the transferring roller 13 after coating releasing agent, thin lithium band is only sticked to and turn Move the surface of roller 13.
Base material 2 can be wound after by the first composite roll 12 by base material winding component 11, and the class of component 10 is unreeled with base material Seemingly, base material winding component 11 includes base material collection reel 110, base material winding tension control roller 112, base material winding deviation correcting device 114 and base material wound roller 116, base material 2 wound roller 116 by base material first and adjusted tape transport direction, passed through base material afterwards Tension control roll 112 carries out tension adjustment and base material winding deviation correcting device 114 is rectified a deviation, and is finally wound to wind in base material and rolled up On axle 110.
Second composite roll 15 also coordinates with the roll-in of transferring roller 13, and the surface that thin lithium band can stick to transferring roller 13 is moved together Move to the roll gap of the composite roll 15 of transferring roller 13 and second, meanwhile, carrier 4 unreels component 16 also by carrier and is transported to transferring roller 13 and second composite roll 15 roll gap, so as to carry out roll-in to thin lithium band and carrier 4.Because the surface of carrier 4 is more coarse, And the surface of transferring roller 13 is coated with releasing agent, therefore surface adhesion of the surface adhesion much larger than transferring roller 13 of carrier 4 Power, so, thin lithium band will be sticked on carrier 4 after the second composite roll 15, so that carrier 4 completes lithium up process.
Carrier 4 can be wound after by the first composite roll 12 by carrier winding component 17, and carrier winding component 17 includes Carrier collection reel 170, carrier winding tension control roller 172, carrier winding deviation correcting device 174 and carrier wound roller 176, carrier 2 wound roller 176 by carrier first and adjusted tape transport direction, was opened afterwards by carrier tension control roll 172 Power is adjusted and carrier winding deviation correcting device 174 is rectified a deviation, and is finally wound on carrier collection reel 170.
After this, transferring roller 13 be may proceed to turn to cleaning assembly 19, and the surface of transferring roller 13 is carried out in this place Cleaning, removes releasing agent and residual lithium bits.Specifically, such as figure is continuing with referring to Fig. 1, and cleaning assembly 19 includes cleaning scraper 190th, negative pressure device 192 and cleaning device 194, the surface for clearing up the blade and transferring roller 13 of scraper 190 fit, and cleaning The blade of scraper 190 towards the rotation direction with transferring roller 13 in obtuse angle, that is to say, that transferring roller 13 is by cleaning scraper 190 Blade turns to the root of cleaning scraper 190, will pass through the releasing agent and residual lithium bits that blade shovel falls the surface of transferring roller 13.It is negative Pressure device 192 is located at the top of cleaning scraper 190, will shovel the releasing agent fallen by negative pressure and residual lithium bits are inhaled as far as possible Walk.Afterwards, along the rotation direction of transferring roller 13, cleaning device 194 is located at the rear of cleaning scraper 190, to the table of transferring roller 13 Do finally clean in face.Cleaning device 194 can use high temperature gas cleaning device, make to remain in transferring roller 13 by high-temperature gas The releasing agent on surface quickly volatilizees, and further ensures that the cleaning of transferring roller 13.
Coating releasing agent at releasing agent applicator assembly 18 will be turned to again by completing transferring roller 13 after cleaning, be carried out next Individual cyclic process.
In the lithium up process, coordinate the transferring roller 13 for coating releasing agent just can complete the benefit to carrier 4 using base material 2 Lithium, significantly saves the usage amount of base material, reduces production cost.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair Change, equivalent, improvement etc., should be included within the protection domain of the application.

Claims (10)

1. one kind mends lithium equipment, it is characterised in that unreel component, base material winding component, the first composite roll, transfer including base material Roller, lithium band unreel component, the second composite roll, carrier and unreel component, carrier winding component, releasing agent applicator assembly and cleaning group Part,
The surface that the releasing agent applicator assembly is used for the transferring roller coats releasing agent,
The lithium band, which unreels component, to be used to unreel lithium band, and the base material, which unreels component, to be used to unreel base material,
First composite roll coordinates with the transferring roller roll-in, and can will be laminated the base material and the lithium band placed Roll-in is carried out, and the lithium band is sticked on the surface after releasing agent described in the transfer roll coating,
The base material winding component is used to wind the base material after first composite roll,
The carrier, which unreels component, to be used to unreel carrier,
Second composite roll coordinates with the transferring roller roll-in, and can turn the lithium band sticked on the transferring roller Move on the carrier,
The carrier winding component is used to wind the carrier after second composite roll,
Cleaning passes through described before the cleaning assembly is used to arrive at the releasing agent applicator assembly on the surface of the transferring roller The surface of the transferring roller after second composite roll.
2. benefit lithium equipment according to claim 1, it is characterised in that along the circumference of the transferring roller, the releasing agent is applied Component, first composite roll, second composite roll and the cleaning assembly is covered to arrange successively.
3. it is according to claim 1 benefit lithium equipment, it is characterised in that the releasing agent applicator assembly include applicator roll and Material trough,
The surface of the applicator roll has some adsorbent chambers, and the material trough can be in the rotation process of the applicator roll to institute State and infiltrated in adsorbent chamber the releasing agent,
The applicator roll is contacted and backwards rotation with the transferring roller, and the releasing agent infiltrated in the adsorbent chamber is coated On the surface of the transferring roller.
4. benefit lithium equipment according to claim 3, it is characterised in that the releasing agent applicator assembly also includes floating scrape Knife, the surface of the screeding scraper and the applicator roll where the adsorbent chamber after the infiltration releasing agent fits, And the blade direction and the rotation direction of the applicator roll of the screeding scraper are at an acute angle.
5. benefit lithium equipment according to claim 3, it is characterised in that the adsorbent chamber is pit.
6. benefit lithium equipment according to claim 5, it is characterised in that the depth of the pit is 10 μm~50 μm.
7. the benefit lithium equipment according to any one of claim 1 to 6, it is characterised in that the cleaning assembly is scraped including cleaning Knife, the surface of the blade and the transferring roller of the cleaning scraper fits, and it is described cleaning scraper blade towards with it is described The rotation direction of transferring roller is in obtuse angle.
8. benefit lithium equipment according to claim 7, it is characterised in that the cleaning assembly also includes negative pressure device, described Negative pressure device is located at the top of the cleaning scraper.
9. benefit lithium equipment according to claim 7, it is characterised in that the cleaning assembly also includes cleaning device, along institute The rotation direction of transferring roller is stated, the cleaning device is located at the rear of the cleaning scraper, the table for cleaning the transferring roller Face.
10. benefit lithium equipment according to claim 9, it is characterised in that the cleaning device is high temperature gas cleaning device.
CN201621435710.8U 2016-12-26 2016-12-26 Mend lithium equipment Active CN206317512U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621435710.8U CN206317512U (en) 2016-12-26 2016-12-26 Mend lithium equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621435710.8U CN206317512U (en) 2016-12-26 2016-12-26 Mend lithium equipment

Publications (1)

Publication Number Publication Date
CN206317512U true CN206317512U (en) 2017-07-11

Family

ID=59260339

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621435710.8U Active CN206317512U (en) 2016-12-26 2016-12-26 Mend lithium equipment

Country Status (1)

Country Link
CN (1) CN206317512U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020108503A1 (en) * 2018-11-27 2020-06-04 北京卫蓝新能源科技有限公司 System for preparing electrode having high cycle efficiency, method for preparing electrode having high cycle efficiency, and application thereof
CN112410784A (en) * 2019-08-20 2021-02-26 北京卫蓝新能源科技有限公司 Device and method for producing large-width ultrathin metal lithium belt
WO2021098539A1 (en) * 2019-11-21 2021-05-27 宁德时代新能源科技股份有限公司 Lithium-supplementing device for electrode sheet, and lithium supplementing method for electrode sheet

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020108503A1 (en) * 2018-11-27 2020-06-04 北京卫蓝新能源科技有限公司 System for preparing electrode having high cycle efficiency, method for preparing electrode having high cycle efficiency, and application thereof
CN112410784A (en) * 2019-08-20 2021-02-26 北京卫蓝新能源科技有限公司 Device and method for producing large-width ultrathin metal lithium belt
CN112410784B (en) * 2019-08-20 2023-12-08 天齐卫蓝固锂新材料(深圳)有限公司 Device and method for producing large-width ultrathin metal lithium belt
WO2021098539A1 (en) * 2019-11-21 2021-05-27 宁德时代新能源科技股份有限公司 Lithium-supplementing device for electrode sheet, and lithium supplementing method for electrode sheet

Similar Documents

Publication Publication Date Title
CN207558931U (en) Mend lithium device
CN206317512U (en) Mend lithium equipment
KR100814541B1 (en) Production Method for Secondary Battery and Production Device for Secondary Battery
CN201044912Y (en) Coating machine adapted for lithium battery pole piece
CN109103496A (en) A kind of long storage life lithium ion battery and preparation method thereof
CN104191774B (en) A kind of preparation technology of novel fire resistant lithium battery diaphragm
US8163332B2 (en) Electrode manufacturing apparatus and electrode manufacturing method
CN104167553A (en) Square winding type battery pole piece and manufacturing technology thereof
KR102440588B1 (en) Device and method for manufacturing membrane-electrode assembly of fuel cell
KR101303060B1 (en) Apparatus for coating both surfaces of thin material
WO2021253318A1 (en) Ultrathin lithium bar preform, composite negative electrode, manufacturing method therefor, and battery
CN113823760A (en) Ultrathin lithium strip prefabricated member, composite negative electrode, preparation method of composite negative electrode and battery
KR102404026B1 (en) Electrode active material slurry coating apparatus and method
CN206454848U (en) Coat uniform barrier film coating unit
CN206976476U (en) Lithium battery pole slice manufactures integrated machine equipment
CN110551993A (en) Deposition device for chemical water bath film
WO2019035424A1 (en) Method for manufacturing catalyst-forming electrolyte membrane for pefc fuel cell
KR20230127962A (en) Cleaning device for manufacturing secondary device
CN218775384U (en) Ultra-thin metal lithium strip tectorial membrane rolling system
CN104715927A (en) Thin film capacitor preparation method based on graphene composite film
US20020071913A1 (en) Manufacturing device of battery components and process for manufacturing the same
CN217955937U (en) Lithium supplement equipment and negative pole piece structure
CN203574049U (en) Negative electrode piece and diaphragm of lithium ion battery
KR100336582B1 (en) Device for applying primer to manufacturing lithium polymer battery
CN216881029U (en) Rolling production line of ultrathin metal sodium strip

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant