CN107946654A - A kind of lithium ion battery and its laser manufacture method and laser cleaner - Google Patents

A kind of lithium ion battery and its laser manufacture method and laser cleaner Download PDF

Info

Publication number
CN107946654A
CN107946654A CN201711143432.8A CN201711143432A CN107946654A CN 107946654 A CN107946654 A CN 107946654A CN 201711143432 A CN201711143432 A CN 201711143432A CN 107946654 A CN107946654 A CN 107946654A
Authority
CN
China
Prior art keywords
laser
pole piece
region
lithium ion
manufacture method
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.)
Pending
Application number
CN201711143432.8A
Other languages
Chinese (zh)
Inventor
姚永成
范天昊
罗雅
赵慧峰
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.)
Shanghai Lin Shi Laser Technology Co Ltd
Original Assignee
Shanghai Lin Shi Laser 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 Shanghai Lin Shi Laser Technology Co Ltd filed Critical Shanghai Lin Shi Laser Technology Co Ltd
Priority to CN201711143432.8A priority Critical patent/CN107946654A/en
Publication of CN107946654A publication Critical patent/CN107946654A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0035Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
    • B08B7/0042Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by laser
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/04Processes of manufacture in general
    • H01M4/0402Methods of deposition of the material
    • H01M4/0404Methods of deposition of the material by coating on electrode collectors
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The present invention provides a kind of lithium ion battery and its laser manufacture method and laser cleaner, the present invention is capable of the coating of efficient, high-quality, environmentally friendly, stabilization removing battery pole piece surface specific location, the manufacturing process of lithium ion battery is simplified, improves manufacture efficiency.Laser manufacture method includes:The first battery pole piece with lug is made in cross cutting;The LiFePO4 coating of first thickness is made in foil substrate;Determine the region to be cleaned of the foil substrate, picosecond pulse laser is used to scan the LiFePO4 coating in the region to be cleaned in the form of linear light spot, so that the LiFePO4 coating expands gasification and departs from the foil substrate, the to-be-welded region departing from the LiFePO4 coating is formed;Pole piece is welded in the to-be-welded region, so as to form the second battery pole piece;Combination connects first battery pole piece and second battery pole piece, forms lithium ion battery.

Description

A kind of lithium ion battery and its laser manufacture method and laser cleaner
Technical field
The present invention relates to face coat cleaning technique field, more particularly to a kind of lithium ion battery and its laser manufacturer Method and laser cleaner.
Background technology
Since 21 century, with economy continue to develop, the demand of new energy is increasingly increased, solar energy, wind energy, nuclear energy and Chemical energy is the new energy form for substituting non-renewable energy resources, and lithium ion battery is as a kind of form in chemical energy source, tool Have the advantages that small, light weight, discharge voltage are high, bigger than energy, although lithium ion battery technology also there are it is certain the defects of, But the commercial applications in the field such as consumption electronic product and laptop are popularized further.In recent years, Asia large-scale production The competition of lithium ion battery is growing day by day, and European Union, which also looks for another way, produces lithium ion battery of new generation, makes it have the property of higher Valency is than, compatibility that is more environmentally friendly, significantly improving ecological environment.
The most common positive electrode of lithium ion battery has cobalt acid lithium (LiCoO2), LiMn2O4 (Li Mn2O4) LiFePO4 (LiFePO4) and trielement composite material (NCM or NCA).Wherein, cobalt acid lithium is most mature and stable and earliest commercialized material, After cobalt acid lithium ion battery is proposed in the 1990s, this material is in electronic fields such as mobile phone, notebook, tablet computers Very extensive application is obtained.The capacity of LiMn2O4 and ternary material is larger, but the high-temperature behavior of LiMn2O4 is poor, the circulation longevity Order low, ternary material is restricted by cost, security and various factors.The security performance of LiFePO4 is very high, under its high temperature Stability is relatively good, and cycle life is longer, becomes the common material of anode, and most potential positive electrode. The annual compound growth rate for showing LiFePO4 market between 2016~the year two thousand twenty in recent a market survey report is 20.5%, China is exactly the important pushing hands for promoting ferric phosphate lithium cell consumption to increase.
During lithium ion battery is made, the structure with lug is made by directly cross cutting in small part battery pole piece, And in addition most battery pole piece needs the soldering polar ear in foil substrate, then need to dispose battery pole piece before welding On coating, it is exposed foil substrate.
The content of the invention
The invention aims to provide a kind of lithium ion battery and its laser manufacture method and laser cleaner, this hair The bright coating for removing battery pole piece surface specific location that can be efficient, high-quality, environmentally friendly, stable, simplifies manufacturing process, improves The manufacture efficiency of lithium ion battery.
To achieve these goals, the present invention provides a kind of laser manufacture method of lithium ion battery, including:
The first battery pole piece with lug is made in cross cutting;
The LiFePO4 coating of first thickness is made in foil substrate, the first thickness is 70-90 μm;
Determine the region to be cleaned of the foil substrate, use picosecond pulse laser scanned in the form of linear light spot described in treat The LiFePO4 coating of cleaning area so that the LiFePO4 coating expands gasification and departs from the aluminium foil base Body, forms the to-be-welded region departing from the LiFePO4 coating;The vibration mirror scanning speed of the picosecond pulse laser is 1000~3000mm/s, laser pulse frequency are 600~800kHz;
Pole piece is welded in the to-be-welded region, so as to form the second battery pole piece;
Combination connects first battery pole piece and second battery pole piece, forms lithium ion battery.
Preferably, it is described to use picosecond pulse laser to scan institute in the form of linear light spot in above-mentioned laser manufacture method The step of LiFePO4 coating for stating region to be cleaned, specifically includes:
Open laser, output point hot spot;
By described spot shaping it is the linear light spot by spot shaping device;
Formula irradiation is scanned to the region to be cleaned by the linear light spot.
Preferably, in above-mentioned laser manufacture method, the maximum power for the picosecond pulse laser that the laser is sent is 20W, optical maser wavelength are 1000~1100nm, and laser pulse width is 120~150ps.
Preferably, in above-mentioned laser manufacture method, the optical maser wavelength is 1060nm, and the laser pulse width is 150ps。
Preferably, in above-mentioned laser manufacture method, the first thickness is 80 μm.
Preferably, in above-mentioned laser manufacture method, further include:Collected by dust exhaust apparatus, filter expanded gasification simultaneously Depart from the dirt of the foil substrate.
Present invention also offers a kind of lithium ion battery manufactured according to above-mentioned laser manufacture method, including:
The first battery pole piece of lug is carried made of cross cutting;
Second battery pole piece, including:Foil substrate;The LiFePO4 coating of first thickness, is arranged on the foil substrate On;The welding region obtained by LiFePO4 coating described in laser cleaning, in the foil substrate;Pole piece, is welded on The welding region.
Present invention also offers a kind of laser cleaner for above-mentioned lithium ion battery, including:
Laser, output point hot spot;
Spot shaping device, inputs described hot spot, output line hot spot;
Laser head, is directed at the welding region of the lithium ion battery.
Preferably, in above-mentioned laser cleaner, the maximum power for the picosecond pulse laser that the laser is sent is 20W, optical maser wavelength are 1000~1100nm, and laser pulse width is 120~150ps.
Preferably, in above-mentioned laser cleaner, further include:Dust exhaust apparatus.
The embodiment of the present invention has following technique effect:
1) in the embodiment of the present invention, to use picosecond pulse laser to be scanned in the form of linear light spot so that the ferric phosphate Lithium coating expands gasification and departs from the foil substrate, thus it is accurate it is clean and tidy obtain welding region, without useization Cleaning material is learned, processing and manufacturing environment is improved, simplifies manufacturing process, improve the manufacture efficiency of lithium ion battery.
Recycling filtering is carried out by dust exhaust apparatus, surrounding environment will not be polluted.
3) laser cleaning scope is wide.Laser can remove different types of battery pole piece face coat, and cleaning area It is exactly accurate.
4) laser cleaning is easy to automate.Optical fiber can be passed through using the cleaning device laser of battery pole piece face coat It is transmitted, and laser cleaning is contactless cleaning, has very high adaptability, is greatly improved with reference to mechanical driving device Cleaning efficiency.
5) laser action area size is adjustable, and cleaning area is easily controllable, can remove designated position on battery pole piece Coating, and do not remained on the aluminium foil of battery pole piece after cleaning, while ensure that matrix aluminium foil is injury-free and do not produce change Shape.
According to the accompanying drawings will be brighter to the detailed description of the specific embodiment of the invention, those skilled in the art Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
Some specific embodiments of detailed description of the present invention by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter. Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that these What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the step flow chart of the method for the present invention embodiment;
Fig. 2 is the structure diagram of lithium ion battery of the present invention;
Fig. 3 is the structure diagram of laser cleaner of the present invention.
Embodiment
Fig. 1 is the step flow chart of the method for the present invention embodiment, as shown in Figure 1, the present invention provides a kind of lithium ion battery Laser manufacture method, including:
Step 101, the first battery pole piece with lug is made in cross cutting;
Step 102, the LiFePO4 coating of first thickness is made in foil substrate, the first thickness is 70-90 μm;
Step 103, determine the region to be cleaned of the foil substrate, use picosecond pulse laser to be swept in the form of linear light spot Retouch the LiFePO4 coating in the region to be cleaned so that the LiFePO4 coating is expanded described in gasification and disengaging Foil substrate, forms the to-be-welded region departing from the LiFePO4 coating;The vibration mirror scanning speed of the picosecond pulse laser Rate is 1000~3000mm/s, and laser pulse frequency is 600~800kHz;
Step 104, pole piece is welded in the to-be-welded region, so as to form the second battery pole piece;
Step 105, combination connects first battery pole piece and second battery pole piece, forms lithium ion battery.
As it can be seen that in the embodiment of the present invention, to use picosecond pulse laser to be scanned in the form of linear light spot so that the phosphoric acid Iron lithium coating expands gasification and departs from the foil substrate, thus it is accurate it is clean and tidy obtain welding region, without using Chemical scrub, improves processing and manufacturing environment, simplifies manufacturing process, improves the manufacture efficiency of lithium ion battery.
In one embodiment of the invention, it is described use picosecond pulse laser scanned in the form of linear light spot described in treat it is clear The step of LiFePO4 coating for washing region, specifically includes:
Open laser, output point hot spot;
By described spot shaping it is the linear light spot by spot shaping device;
Formula irradiation is scanned to the region to be cleaned by the linear light spot.
Wherein, the maximum power for the picosecond pulse laser that the laser is sent is 20W, optical maser wavelength for 1000~ 1100nm, laser pulse width are 120~150ps.Specifically, the optical maser wavelength is 1060nm, the laser pulse width For 150ps.
In one embodiment of the invention, the first thickness is 80 μm.
In one embodiment of the invention, further include:Collected by dust exhaust apparatus, filter expanded gasification and depart from institute State the dirt of foil substrate.
Fig. 2 is the structure diagram of lithium ion battery of the present invention;As shown in Fig. 2, the embodiment of the present invention provides a kind of basis The lithium ion battery of above-mentioned laser manufacture method manufacture, including:
The first battery pole piece 210 with lug is made in cross cutting;
Second battery pole piece 220, including:Foil substrate 221;The LiFePO4 coating 222 of first thickness, is arranged on described In foil substrate;The welding region obtained by LiFePO4 coating described in laser cleaning, in the foil substrate;Pole piece 223, it is welded on the welding region.
Fig. 3 is the structure diagram of laser cleaner of the present invention.As shown in figure 3, the embodiment of the present invention provides a kind of use In the laser cleaner of above-mentioned lithium ion battery, including:
Laser 301, output point hot spot;
Spot shaping device 302, inputs described hot spot, output line hot spot;
Laser head 303, is directed at the welding region of the lithium ion battery.
In one embodiment of the invention, the maximum power for the picosecond pulse laser that the laser is sent is 20W, is swashed A length of 1000~the 1100nm of light wave, laser pulse width are 120~150ps.
In one embodiment of the invention, further include:Dust exhaust apparatus.
In some illustrative embodiments, cleaning device, further includes:Carry mechanical arm, the carrying battery pole of laser head The workbench of piece, the laser are fixedly connected with described mechanical arm one end, the mechanical arm other end and the carrying The workbench of battery pole piece is fixedly connected;Laser, optical fiber, spot shaping device, condenser lens and protection eyeglass are sequentially connected with.
Wherein, the cleaning device of battery pole piece face coat is mutual by the workbench of mechanical arm, carrying battery pole piece Coordinate, control hot spot is moved in the surface of position for needing to clean, and makes the focus of hot spot all the time on its surface is treated, and clean and specify The LiFePO4 coating of position.
In some illustrative embodiments, the spot shaping device uses scanning galvanometer or polygon scanning mirrors.
There is the transport mechanism for being used for transmitting battery pole piece in some illustrative embodiments, on the workbench, with institute State mechanical arm and be engaged transmission.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention Example property embodiment, still, without departing from the spirit and scope of the present invention, still can according to the present invention disclosure it is direct Determine or derive many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes It is set to and covers other all these variations or modifications.

Claims (10)

  1. A kind of 1. laser manufacture method of lithium ion battery, it is characterised in that including:
    The first battery pole piece with lug is made in cross cutting;
    The LiFePO4 coating of first thickness is made in foil substrate, the first thickness is 70-90 μm;
    Determine the region to be cleaned of the foil substrate, use picosecond pulse laser to be scanned in the form of linear light spot described to be cleaned The LiFePO4 coating in region so that the LiFePO4 coating expands gasification and departs from the foil substrate, shape Into the to-be-welded region departing from the LiFePO4 coating;The vibration mirror scanning speed of the picosecond pulse laser for 1000~ 3000mm/s, laser pulse frequency are 600~800kHz;
    Pole piece is welded in the to-be-welded region, so as to form the second battery pole piece;
    Combination connects first battery pole piece and second battery pole piece, forms lithium ion battery.
  2. 2. laser manufacture method according to claim 1, it is characterised in that described to use picosecond pulse laser with linear light spot Form the step of scanning the LiFePO4 coating in the region to be cleaned specifically include:
    Open laser, output point hot spot;
    By described spot shaping it is the linear light spot by spot shaping device;
    Formula irradiation is scanned to the region to be cleaned by the linear light spot.
  3. 3. laser manufacture method according to claim 2, it is characterised in that
    The maximum power for the picosecond pulse laser that the laser is sent is 20W, and optical maser wavelength is 1000~1100nm, laser arteries and veins It is 120~150ps to rush width.
  4. 4. laser manufacture method according to claim 3, it is characterised in that the optical maser wavelength is 1060nm, described to swash Light impulse length is 150ps.
  5. 5. laser manufacture method according to claim 1, it is characterised in that the first thickness is 80 μm.
  6. 6. laser manufacture method according to claim 2, it is characterised in that further include:Collected, filtered by dust exhaust apparatus Expanded gasification simultaneously departs from the dirt of the foil substrate.
  7. A kind of 7. lithium ion battery of laser manufacture method manufacture according to claim 1-6, it is characterised in that including:
    The first battery pole piece of lug is carried made of cross cutting;
    Second battery pole piece, including:Foil substrate;The LiFePO4 coating of first thickness, is arranged in the foil substrate;It is logical The welding region that LiFePO4 coating described in laser cleaning obtains is crossed, in the foil substrate;Pole piece, is welded on the weldering Connect region.
  8. A kind of 8. laser cleaner of lithium ion battery for described in claim 7, it is characterised in that including:
    Laser, output point hot spot;
    Spot shaping device, inputs described hot spot, output line hot spot;
    Laser head, is directed at the welding region of the lithium ion battery.
  9. 9. laser cleaner according to claim 8, it is characterised in that
    The maximum power for the picosecond pulse laser that the laser is sent is 20W, and optical maser wavelength is 1000~1100nm, laser arteries and veins It is 120~150ps to rush width.
  10. 10. laser cleaner according to claim 8, it is characterised in that further include:Dust exhaust apparatus.
CN201711143432.8A 2017-11-17 2017-11-17 A kind of lithium ion battery and its laser manufacture method and laser cleaner Pending CN107946654A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711143432.8A CN107946654A (en) 2017-11-17 2017-11-17 A kind of lithium ion battery and its laser manufacture method and laser cleaner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711143432.8A CN107946654A (en) 2017-11-17 2017-11-17 A kind of lithium ion battery and its laser manufacture method and laser cleaner

Publications (1)

Publication Number Publication Date
CN107946654A true CN107946654A (en) 2018-04-20

Family

ID=61931679

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711143432.8A Pending CN107946654A (en) 2017-11-17 2017-11-17 A kind of lithium ion battery and its laser manufacture method and laser cleaner

Country Status (1)

Country Link
CN (1) CN107946654A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111151515A (en) * 2020-01-10 2020-05-15 广东利元亨智能装备股份有限公司 Laser cleaning method and device
CN112658489A (en) * 2020-12-29 2021-04-16 比亚迪股份有限公司 Method for removing active substances of pole piece
CN114273341A (en) * 2021-12-13 2022-04-05 深圳市凌云视迅科技有限责任公司 Pole piece double-face cleaning and positioning method and device
CN114597328A (en) * 2022-03-22 2022-06-07 苏州天弘激光股份有限公司 Method and device for manufacturing surface microstructure of high-rate battery pole piece
CN115036446A (en) * 2022-06-23 2022-09-09 天津力神电池股份有限公司 Manufacturing method of pole piece of lithium ion battery with embedded pole lug structure
CN115319292A (en) * 2022-10-14 2022-11-11 苏州智慧谷激光智能装备有限公司 Laser welding method for junction box

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101227015A (en) * 2007-12-25 2008-07-23 天津力神电池股份有限公司 Cylinder type lithium ion battery with high power rate and high safety performance
CN101428287A (en) * 2008-11-11 2009-05-13 陈旅申 Method for washing sheet type tinsel pole-piece pole-ear welding position coating and washing device thereof
US20110186553A1 (en) * 2010-01-29 2011-08-04 Phoenix Silicon International Corporation Coating layer removing apparatus and method for the same
CN202583601U (en) * 2012-03-22 2012-12-05 马英俊 Special light spot converter
CN203936519U (en) * 2014-05-30 2014-11-12 宁德新能源科技有限公司 Electrodes of lithium-ion batteries coating cleaning device
CN205701720U (en) * 2016-06-21 2016-11-23 上海临仕激光科技有限公司 A kind of laser cleaner of marine paint
CN106624367A (en) * 2017-03-11 2017-05-10 四川广正科技有限公司 Pretreatment method and system for material surface before laser welding
CN106797014A (en) * 2014-09-12 2017-05-31 东莞新能源科技有限公司 The removal device of pole piece coating
CN206276677U (en) * 2016-12-07 2017-06-27 上海临仕激光科技有限公司 A kind of laser cleaner of photovoltaic solar cell plate
CN107195978A (en) * 2017-06-21 2017-09-22 徐州明润磁材有限公司 A kind of method for removing battery pole piece coating

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101227015A (en) * 2007-12-25 2008-07-23 天津力神电池股份有限公司 Cylinder type lithium ion battery with high power rate and high safety performance
CN101428287A (en) * 2008-11-11 2009-05-13 陈旅申 Method for washing sheet type tinsel pole-piece pole-ear welding position coating and washing device thereof
US20110186553A1 (en) * 2010-01-29 2011-08-04 Phoenix Silicon International Corporation Coating layer removing apparatus and method for the same
CN202583601U (en) * 2012-03-22 2012-12-05 马英俊 Special light spot converter
CN203936519U (en) * 2014-05-30 2014-11-12 宁德新能源科技有限公司 Electrodes of lithium-ion batteries coating cleaning device
CN106797014A (en) * 2014-09-12 2017-05-31 东莞新能源科技有限公司 The removal device of pole piece coating
CN205701720U (en) * 2016-06-21 2016-11-23 上海临仕激光科技有限公司 A kind of laser cleaner of marine paint
CN206276677U (en) * 2016-12-07 2017-06-27 上海临仕激光科技有限公司 A kind of laser cleaner of photovoltaic solar cell plate
CN106624367A (en) * 2017-03-11 2017-05-10 四川广正科技有限公司 Pretreatment method and system for material surface before laser welding
CN107195978A (en) * 2017-06-21 2017-09-22 徐州明润磁材有限公司 A kind of method for removing battery pole piece coating

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111151515A (en) * 2020-01-10 2020-05-15 广东利元亨智能装备股份有限公司 Laser cleaning method and device
CN112658489A (en) * 2020-12-29 2021-04-16 比亚迪股份有限公司 Method for removing active substances of pole piece
CN112658489B (en) * 2020-12-29 2022-05-13 比亚迪股份有限公司 Method for removing active substances of pole piece
CN114273341A (en) * 2021-12-13 2022-04-05 深圳市凌云视迅科技有限责任公司 Pole piece double-face cleaning and positioning method and device
CN114273341B (en) * 2021-12-13 2022-09-30 深圳市凌云视迅科技有限责任公司 Pole piece double-face cleaning and positioning method and device
CN114597328A (en) * 2022-03-22 2022-06-07 苏州天弘激光股份有限公司 Method and device for manufacturing surface microstructure of high-rate battery pole piece
CN115036446A (en) * 2022-06-23 2022-09-09 天津力神电池股份有限公司 Manufacturing method of pole piece of lithium ion battery with embedded pole lug structure
CN115036446B (en) * 2022-06-23 2023-07-25 天津聚元新能源科技有限公司 Manufacturing method of pole piece of lithium ion battery with embedded pole lug structure
CN115319292A (en) * 2022-10-14 2022-11-11 苏州智慧谷激光智能装备有限公司 Laser welding method for junction box
CN115319292B (en) * 2022-10-14 2022-12-30 苏州智慧谷激光智能装备有限公司 Laser welding method for junction box

Similar Documents

Publication Publication Date Title
CN107946654A (en) A kind of lithium ion battery and its laser manufacture method and laser cleaner
CN110280536A (en) Laser cleaner and its cleaning method
CN102544479B (en) Preparation method of zinc cobaltate array/carbon cloth composite anode material of lithium ion battery
CN208033201U (en) The cleaning device of battery pole piece coating
CN209109750U (en) Wet type laser cleaning system
CN105406028A (en) Polar piece coating removing method
CN204464750U (en) A kind of surface treatment laser
CN206148531U (en) Pole piece coating clearing device
CN106623274A (en) Laser cleaning method for photovoltaic solar cell panel
CN108321246A (en) One kind removing membrane processing method and equipment
CN110504099A (en) A kind of method and system of laser ablation inductance copper coil paint layer
CN108133838A (en) A kind of method that fake capacitance electrode is prepared based on femtosecond laser composite anode oxide
CN103723930B (en) A kind of pretreatment method be connected with glass for metal
CN110434475A (en) Copper piece surface treatment method and system based on ultrafast laser equipment
CN114226359B (en) Cleaning system and cleaning method for removing pollutants from battery test probe
CN208507854U (en) A kind of lithium ion battery and its laser cleaner
CN103357633A (en) Cleaning method for thin film solar cell glass substrates
CN208643532U (en) A kind of aluminium alloy anode oxide film dry laser cleaning equipment
CN106405695A (en) Regional multifocal superposition square light spot condensing Fresnel lens and preparation method thereof
CN101997060A (en) Selective diffusion technology for crystalline silicon solar cell
CN102427120A (en) Method for manufacturing positive electrode lug of soft package lithium ion battery
CN108372361A (en) A kind of Laser Welding T connector weld shape ameliorative way
CN206276677U (en) A kind of laser cleaner of photovoltaic solar cell plate
CN103567633A (en) Special cleaning method for removing dust for CIGS subjected to laser front cutting
CN106711247B (en) A kind of manufacture device of the matte of silicon chip surface, manufacture method and matte solar cell

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20180420

WD01 Invention patent application deemed withdrawn after publication