CN106282950A - A kind of method improving cathode of lithium battery aluminium foil colelctor electrode electrical property - Google Patents

A kind of method improving cathode of lithium battery aluminium foil colelctor electrode electrical property Download PDF

Info

Publication number
CN106282950A
CN106282950A CN201610664274.XA CN201610664274A CN106282950A CN 106282950 A CN106282950 A CN 106282950A CN 201610664274 A CN201610664274 A CN 201610664274A CN 106282950 A CN106282950 A CN 106282950A
Authority
CN
China
Prior art keywords
aluminium foil
vacuum
lithium battery
film
colelctor electrode
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
CN201610664274.XA
Other languages
Chinese (zh)
Inventor
赵斌
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.)
Shenzhen Valley Energy Holdings Co., Ltd.
Original Assignee
Shenzhen Fourth Energy 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 Shenzhen Fourth Energy Technology Co Ltd filed Critical Shenzhen Fourth Energy Technology Co Ltd
Priority to CN201610664274.XA priority Critical patent/CN106282950A/en
Publication of CN106282950A publication Critical patent/CN106282950A/en
Priority to CN201710666733.2A priority patent/CN107452964A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34—Sputtering
    • C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/665—Composites
    • H01M4/667—Composites in the form of layers, e.g. coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/02—Pretreatment of the material to be coated
    • C23C14/021—Cleaning or etching treatments
    • C23C14/022—Cleaning or etching treatments by means of bombardment with energetic particles or radiation
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/14—Metallic material, boron or silicon
    • C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
    • C23C14/165—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon by cathodic sputtering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • H01M4/0402—Methods of deposition of the material
    • H01M4/0421—Methods of deposition of the material involving vapour deposition
    • H01M4/0423—Physical vapour deposition
    • H01M4/0426—Sputtering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139—Processes of manufacture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/661—Metal or alloys, e.g. alloy coatings
    • 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

Abstract

The invention discloses a kind of method improving cathode of lithium battery aluminium foil colelctor electrode electrical property, the method is to be fixed in the substrate frame of Roll Roll vacuum magnetron sputtering coating film equipment after purifying in room the size being cut to need by aluminium foil to be processed；Opening Roll Roll vacuum magnetron sputtering coating film equipment, the equipment that adjusts extremely can coating process condition；Put into substrate frame aluminium foil to be coated；Utilize ion source that aluminium foil surface carries out plasma bombardment process, peel off aluminium foil surface oxide layer, remove surface spike；Direct-current vacuum magnetron sputtering technique is utilized to deposit thin film aluminum at aluminium foil surface；After aluminium foil surface deposition of aluminum film, carry out heating anneal process under vacuum conditions, eliminate the metal stresses within aluminium foil；Aluminium foil after plated film is unloaded, to its performance checking；It is vacuum-packed after inspection；The present invention utilizes magnetic control sputtering vacuum coating technology to deposit one layer of nano thin-film aluminum on negative collector electrode aluminium foil to improve the electric conductivity of cathode of lithium battery colelctor electrode aluminium foil and to reduce the roughness of aluminium foil.

Description

A kind of method improving cathode of lithium battery aluminium foil colelctor electrode electrical property
Technical field
The present invention relates to lithium battery device and lithium battery material manufacturing technology field, be specifically related to one utilize vacuum etc. from Sub-coating technique improves the method for cathode of lithium battery aluminium foil colelctor electrode electrical property.
Background technology
Cathode of lithium battery colelctor electrode aluminium foil there is presently no international standard and national technical standard, and lithium battery industry is typically wanted Seek aluminium foil surface roughness Rz 2.0um, the thickness 20um of aluminium foil, and use rolling aluminium foil.
The lithium ion battery negative colelctor electrode prescription to aluminium foil: the first, aluminium foil surface uniform color, clean, template Smooth, without obvious roll marks, pit, pin hole, evidence of corrosion etc.；The second, aluminium foil surface lacks without rollings such as folding line, piebaldism, bright lines Fall into；3rd, aluminium foil surface no color differnece；4th, surface oil-free, without severe oil abnormal smells from the patient, is visible by naked eyes oil mark；5th, surface is opened Power, the test of dyne pen is not less than 32 dyne.
In sum, a kind of reduction is needed to roll cathode of lithium battery colelctor electrode aluminium foil roughness and improve its electric conductivity Technical method.
Summary of the invention
Present invention aims to defect and the deficiency of prior art, it is provided that a kind of raising cathode of lithium battery aluminium foil collection The method of electrode electrical property, it utilizes vacuum magnetron sputtering coating film technology reduce rolling aluminium foil roughness and improve its electric conductivity Energy.
For achieving the above object, the technical solution used in the present invention is: a kind of raising cathode of lithium battery colelctor electrode electrical property Method, it comprises the following steps:
A, aluminium foil to be processed is fixed on Roll-Roll vacuum magnetic control after purifying in room the size being cut to need spatters Penetrate in the substrate frame of filming equipment, prepare magnetic control sputtering plating aluminum film；
B, unlatching Roll-Roll vacuum magnetron sputtering coating film equipment, the equipment that adjusts extremely can coating process condition；
C, put into substrate frame-aluminium foil to be coated；
D, utilize ion source that aluminium foil surface carries out plasma bombardment process, peel off aluminium foil surface oxide layer, remove table Face spike；
E, direct-current vacuum magnetron sputtering technique is utilized to deposit thin film aluminum at aluminium foil surface；
After f, aluminium foil surface deposition of aluminum film, carry out heating anneal process under vacuum conditions, eliminate the metal within aluminium foil Stress；
G, the aluminium foil after plated film is unloaded, to its performance checking；
It is vacuum-packed after h, inspection.
Preferably, the size after aluminium foil cuts in described step a is: 0.2-1.2m.
Preferably, described step b can coating process condition be: background vacuum 5x10-3Pa, processing atmosphere 3x10- 1Pa, heating-up temperature 80-200 DEG C, ion source power 0.2-3kw, magnetically controlled DC sputtering cathode power 1-20W, coating speed 0.1- 5m/s。
Preferably, the vacuum in described step h is 3x10-1-5x10-3Pa。
After using above-mentioned technology, present invention have the beneficial effect that
1, utilize ion source that aluminium foil surface is carried out plasma bombardment process so that the roughness of aluminium foil surface reduces, The oxide layer on surface is removed, and improves the electric conductivity of aluminium foil colelctor electrode.
2, utilizing direct-current vacuum magnetron sputtering technique to deposit thin film aluminum at aluminium foil surface, rolling aluminium foil is through plasma deposition After aluminum film, coarse surface crater is filled and led up, and reduce further aluminium foil surface roughness；The thin film aluminum of surface deposition, improves The electric conductivity of aluminium foil.
3, after aluminium foil surface deposition of aluminum film, make annealing treatment under vacuum conditions, eliminate the metal stresses within aluminium foil, Improve the mechanical performance of aluminium foil.
4, the aluminium foil after plated film unloads, and is vacuum-packed after its performance checking, prevents air oxidation.
Accompanying drawing explanation
Fig. 1 is the important technological parameters table of cathode of lithium battery colelctor electrode aluminium foil in prior art.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise Embodiment, broadly falls into the scope of protection of the invention.
This detailed description of the invention uses step in detail below:
A, aluminium foil to be processed is fixed on Roll-Roll vacuum magnetic control after purifying in room the size being cut to need spatters Penetrate in the substrate frame of filming equipment, prepare magnetic control sputtering plating aluminum film；
B, unlatching Roll-Roll vacuum magnetron sputtering coating film equipment, the equipment that adjusts extremely can coating process condition；
C, put into substrate frame-aluminium foil to be coated；
D, utilize ion source that aluminium foil surface carries out plasma bombardment process, peel off aluminium foil surface oxide layer, remove table Face spike；
E, direct-current vacuum magnetron sputtering technique is utilized to deposit thin film aluminum at aluminium foil surface；
After f, aluminium foil surface deposition of aluminum film, carry out heating anneal process under vacuum conditions, eliminate the metal within aluminium foil Stress；
G, the aluminium foil after plated film is unloaded, to its performance checking；
It is vacuum-packed after h, inspection.
Size after aluminium foil cuts in step a is: 0.2-1.2m；Step b can coating process condition be: background vacuum 5x10-3Pa, processing atmosphere 3x10-1Pa, heating-up temperature 80-200 DEG C, ion source power 0.2-3kw, magnetically controlled DC sputtering negative electrode Power 1-20W, coating speed 0.1-5m/s；Vacuum in step h is 3x10-1-5x10-3Pa。
This detailed description of the invention utilizes ion source that aluminium foil surface is carried out plasma bombardment process so that aluminium foil surface Roughness reduces, and the oxide layer on surface is removed, and improves the electric conductivity of aluminium foil colelctor electrode；Spattered by direct-current vacuum magnetic control again Penetrating technique and deposit thin film aluminum at aluminium foil surface, rolling aluminium foil is after plasma deposition aluminum film, and coarse surface crater is filled and led up, Reduce further aluminium foil surface roughness；The thin film aluminum of surface deposition, improves the electric conductivity of aluminium foil；Again at vacuum state Under the aluminum film of aluminium foil surface deposition is made annealing treatment, eliminate metal stresses within aluminium foil, improve the mechanical performance of aluminium foil； Aluminium foil after plated film unloads, and is vacuum-packed after its performance checking, prevents air oxidation.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace And modification, the scope of the present invention be defined by the appended.

Claims (4)

1. the method improving cathode of lithium battery aluminium foil colelctor electrode electrical property, it is characterised in that it comprises the following steps:
A, aluminium foil to be processed is fixed on after purifying in room the size being cut to need the plating of Roll-Roll vacuum magnetic-control sputtering In the substrate frame of film device, prepare magnetic control sputtering plating aluminum film；
B, unlatching Roll-Roll vacuum magnetron sputtering coating film equipment, the equipment that adjusts extremely can coating process condition；
C, put into substrate frame-aluminium foil to be coated；
D, utilize ion source that aluminium foil surface carries out plasma bombardment process, peel off aluminium foil surface oxide layer, remove surface point Peak；
E, direct-current vacuum magnetron sputtering technique is utilized to deposit thin film aluminum at aluminium foil surface；
After f, aluminium foil surface deposition of aluminum film, carry out heating anneal process under vacuum conditions, eliminate the metal stresses within aluminium foil；
G, the aluminium foil after plated film is unloaded, to its performance checking；
It is vacuum-packed after h, inspection.
A kind of method improving cathode of lithium battery aluminium foil colelctor electrode electrical property the most according to claim 1, it is characterised in that Size after aluminium foil cuts in described step a is: 0.2-1.2m.
A kind of method improving cathode of lithium battery aluminium foil colelctor electrode electrical property the most according to claim 1, it is characterised in that Described step b can coating process condition be: background vacuum 5x10-3Pa, processing atmosphere 3x10-1Pa, heating-up temperature 80-200 DEG C, ion source power 0.2-3kw, magnetically controlled DC sputtering cathode power 1-20W, coating speed 0.1-5m/s.
A kind of method improving cathode of lithium battery aluminium foil colelctor electrode electrical property the most according to claim 1, it is characterised in that Vacuum in described step h is 3x10-1-5x10-3Pa。
CN201610664274.XA 2016-08-12 2016-08-12 A kind of method improving cathode of lithium battery aluminium foil colelctor electrode electrical property Pending CN106282950A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610664274.XA CN106282950A (en) 2016-08-12 2016-08-12 A kind of method improving cathode of lithium battery aluminium foil colelctor electrode electrical property
CN201710666733.2A CN107452964A (en) 2016-08-12 2017-08-07 A kind of method for improving cathode of lithium battery copper foil colelctor electrode electrical property

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610664274.XA CN106282950A (en) 2016-08-12 2016-08-12 A kind of method improving cathode of lithium battery aluminium foil colelctor electrode electrical property

Publications (1)

Publication Number Publication Date
CN106282950A true CN106282950A (en) 2017-01-04

Family

ID=57669534

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201610664274.XA Pending CN106282950A (en) 2016-08-12 2016-08-12 A kind of method improving cathode of lithium battery aluminium foil colelctor electrode electrical property
CN201710666733.2A Pending CN107452964A (en) 2016-08-12 2017-08-07 A kind of method for improving cathode of lithium battery copper foil colelctor electrode electrical property

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201710666733.2A Pending CN107452964A (en) 2016-08-12 2017-08-07 A kind of method for improving cathode of lithium battery copper foil colelctor electrode electrical property

Country Status (1)

Country Link
CN (2) CN106282950A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107768677A (en) * 2017-09-18 2018-03-06 深圳市烯谷能源控股有限公司 A kind of method for improving lithium ion cell positive colelctor electrode corrosion resisting property
CN116751070A (en) * 2023-07-03 2023-09-15 江苏富乐华功率半导体研究院有限公司 Preparation method of ceramic aluminum-clad substrate and ceramic aluminum-clad substrate prepared by same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110190286A (en) * 2019-05-24 2019-08-30 吉林大学 A kind of vertical graphene-copper foil composite current collector and preparation method thereof based on growth in situ
CN110993886B (en) * 2019-12-26 2021-01-05 北京师范大学 Preparation device for lithium battery current collector
CN114351217B (en) * 2022-01-12 2024-03-22 华中科技大学 Metal electroplating composite film and preparation method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8526104B2 (en) * 2010-04-30 2013-09-03 Corning Incorporated Plasma ion assisted deposition of Mo/Si multilayer EUV coatings
CN103233199B (en) * 2013-04-02 2015-10-14 中国科学院宁波材料技术与工程研究所 A kind of method improving substrate surface nitride hard coating luminance brightness and hardness
CN104164653B (en) * 2013-05-17 2017-10-13 北京北方华创微电子装备有限公司 A kind of magnetron sputtering apparatus and method
CN105336912A (en) * 2015-09-14 2016-02-17 哈尔滨工业大学 Method for enhancing lithium ion battery current collector and active material adhesion
CN106435494A (en) * 2016-08-12 2017-02-22 深圳市第四能源科技有限公司 Method for improving electrical performance of positive electrode collector electrode of lithium battery

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107768677A (en) * 2017-09-18 2018-03-06 深圳市烯谷能源控股有限公司 A kind of method for improving lithium ion cell positive colelctor electrode corrosion resisting property
CN116751070A (en) * 2023-07-03 2023-09-15 江苏富乐华功率半导体研究院有限公司 Preparation method of ceramic aluminum-clad substrate and ceramic aluminum-clad substrate prepared by same
CN116751070B (en) * 2023-07-03 2023-11-17 江苏富乐华功率半导体研究院有限公司 Preparation method of ceramic aluminum-clad substrate and ceramic aluminum-clad substrate prepared by same

Also Published As

Publication number Publication date
CN107452964A (en) 2017-12-08

Similar Documents

Publication Publication Date Title
CN106282950A (en) A kind of method improving cathode of lithium battery aluminium foil colelctor electrode electrical property
Ding et al. Tribological properties of Cr-and Ti-doped MoS2 composite coatings under different humidity atmosphere
CN110055496B (en) Preparation process for preparing Cr coating on surface of nuclear zirconium alloy substrate
CN107768677A (en) A kind of method for improving lithium ion cell positive colelctor electrode corrosion resisting property
Yang et al. Enhancement of corrosion resistance and discharge performance of Mg–5Li–3Al–1Zn sheet for Mg-air battery via rolling
CN107502870B (en) A method of improving lithium battery anode aluminium foil collector electrical property
CN107653440A (en) A kind of method that sintered Nd-Fe-B permanent magnet surface prepares aluminium or mock silver coating
CN106099201B (en) A kind of preparation method of the All-solid film batteries of high-energy density
CN106119795A (en) Utilize the method that vacuum magnetron sputtering coating film technology prepares lithium battery C Si negative pole coating
CN204959024U (en) Working of plastics cermet ization magnetron sputtering coating film device
CN103264219A (en) Manufacturing method of composite metal material
CN108060382A (en) A kind of method for improving zinc-aluminium Mg Alloy Coating steel plate glueability
CN103774110B (en) Method for preparing conductive film through magnetron sputtering
CN109825806B (en) PET (polyethylene terephthalate) non-conductive film and preparation method thereof
CN110644025A (en) Ultrathin nickel-copper alloy foil and preparation method thereof
CN106449890B (en) A kind of preparation method of photovoltaic welding
CN109811308A (en) A kind of ITO process for making conducting membrane
Wang et al. Growth Mechanism of Ceramic Coating on ZK60 Magnesium Alloy Based on Two‐Step Current‐Decreasing Mode of Micro‐Arc Oxidation
CN102345100B (en) Aluminum cerium metal target material and method for manufacturing aluminum cerium film by using same
JP6676634B2 (en) Energy storage system having sheet-shaped independent members, independent members, manufacturing method thereof, and use thereof
TW201838236A (en) Rolled copper foil for lithium ion battery current collector and lithium ion battery
JP2005126758A (en) Method of producing transparent electroconductive film
CN105648492A (en) Preparation method of copper-zinc-tin-sulfur film
CN112423983A (en) Laminate and method for producing laminate
JP2019102436A (en) Method for manufacturing negative tab and positive tab of soft pack battery

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20170424

Address after: 518000 D, E, unit, building 1, Merchants Plaza, No. 1166, hope road, Shekou, Shenzhen, Guangdong, China

Applicant after: Shenzhen Valley Energy Holdings Co., Ltd.

Address before: 518000 Guangdong city of Shenzhen province Futian District Futian Street Binhe allied Plaza No. 5022 A block, room 2608

Applicant before: Shenzhen fourth Energy Technology Co., Ltd.

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
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170104