WO2016208858A1 - 리튬 이차전지용 전해동박 및 이를 포함하는 리튬 이차전지 - Google Patents
리튬 이차전지용 전해동박 및 이를 포함하는 리튬 이차전지 Download PDFInfo
- Publication number
- WO2016208858A1 WO2016208858A1 PCT/KR2016/003726 KR2016003726W WO2016208858A1 WO 2016208858 A1 WO2016208858 A1 WO 2016208858A1 KR 2016003726 W KR2016003726 W KR 2016003726W WO 2016208858 A1 WO2016208858 A1 WO 2016208858A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- copper foil
- lithium secondary
- electrolytic copper
- secondary battery
- secondary batteries
- Prior art date
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 239000011889 copper foil Substances 0.000 title claims abstract description 94
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 claims description 8
- 230000003746 surface roughness Effects 0.000 claims description 5
- 230000007547 defect Effects 0.000 description 26
- 239000011149 active material Substances 0.000 description 12
- UMGDCJDMYOKAJW-UHFFFAOYSA-N aminothiocarboxamide Natural products NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 6
- 230000000704 physical effect Effects 0.000 description 6
- 239000000460 chlorine Substances 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 238000003795 desorption Methods 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 229910000365 copper sulfate Inorganic materials 0.000 description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 2
- 239000012964 benzotriazole Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- -1 thiourea compound Chemical class 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Classifications
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- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/04—Wires; Strips; Foils
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/06—Wires; Strips; Foils
- C25D7/0614—Strips or foils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- 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
Definitions
- the present invention relates to an electrolytic copper foil for a lithium secondary battery and a lithium secondary battery including the same, and more particularly, to a lithium secondary battery electrolytic copper foil having an improved physical property by yield strength, surface area ratio, and weight deviation limited to a certain range. It relates to a secondary battery.
- Lithium secondary battery has many advantages such as high energy density, high operating voltage and excellent storage and lifespan characteristics compared to other secondary batteries, which can be used for personal computers, camcorders, portable phones, portable CD players, PDAs, etc. Widely used in portable electronic devices.
- a lithium secondary battery has a structure including a positive electrode and a negative electrode disposed with an electrolyte interposed therebetween, wherein the positive electrode has a structure in which a positive electrode active material is attached to a positive electrode current collector, and the negative electrode has a negative electrode active material attached to a negative electrode current collector.
- the positive electrode has a structure in which a positive electrode active material is attached to a positive electrode current collector
- the negative electrode has a negative electrode active material attached to a negative electrode current collector.
- Electrolytic copper foil is mainly used as a material of a negative electrode current collector in a lithium secondary battery. In this case, if the equipment conditions are not strictly controlled, there is a problem that a large number of defects of MD (Machine Direction) Buckles occur.
- MD Machine Direction
- the MD buckles defect means a defect in the form of unevenness occurring in the direction of the machine direction (MD) appearing on the copper foil wound up after milling.
- Such MD buckle defects may be a reason for return from a customer at the time of delivery, and may cause coating deviation and active material desorption defect at the time of coating the active material.
- the present invention has been made in consideration of the above-described problems, and an object of the present invention is to obtain an electrolytic copper foil for lithium secondary batteries having excellent physical properties by controlling various factors of the copper foil.
- the present inventors conducted a study to solve the above technical problem, the yield strength, surface area ratio and weight deviation is well controlled within a certain range, in particular for lithium secondary batteries having excellent physical properties in terms of the presence or absence of MD Buckles defect
- the electrolytic copper foil was obtained.
- the electrolytic copper foil for lithium secondary batteries according to an embodiment of the present invention having such excellent physical properties is an electrolytic copper foil for lithium secondary batteries applied as a negative electrode current collector of a lithium secondary battery, and has a yield strength of 30 kgf / mm 2 to 60 kgf / mm 2 and a surface area.
- the ratio is 1 to 3, and the weight deviation corresponds to 3% or less.
- the surface roughness may be in the range of 0.2 ⁇ m to 2 ⁇ m on the basis of Rz.
- the lithium secondary battery electrolytic copper foil may have an elongation of 3% or more.
- the lithium secondary battery electrolytic copper foil may have a thickness in the range of 3 ⁇ m to 30 ⁇ m.
- the above-mentioned electrolytic copper foil for a lithium secondary battery is applied as a negative electrode current collector.
- the yield strength is 30kgf / mm 2 to 60kgf / mm 2
- the surface area ratio is 1 to 3
- the weight deviation is 3% or less electrolytic copper foil
- a method of manufacturing (a) preparing a copper sulfate aqueous solution; (b) adding 0.1 ppm to 3 ppm of thiourea compound, less than 5 ppm of chlorine, and less than 50 ppm of TOC to the copper sulfate aqueous solution; And (c) electrodepositing the copper foil on the drum with a current density of 10 ASD to 80 ASD, but adjusting the weight deviation to be within 3%.
- an electrolytic copper foil for a lithium secondary battery that does not cause a MD buckle defect, thereby improving the performance of a lithium secondary battery manufactured using an electrolytic copper foil for a lithium secondary battery.
- FIG. 1 is a cross-sectional view showing an electrolytic copper foil for a lithium secondary battery according to an embodiment of the present invention.
- FIG. 2 is a cross-sectional view showing a state in which a coating layer is formed on a surface of an electrolytic copper foil for a lithium secondary battery according to an embodiment of the present invention.
- FIG. 1 is a cross-sectional view showing an electrolytic copper foil for a lithium secondary battery according to an embodiment of the present invention.
- Electrolytic copper foil 1 for a lithium secondary battery according to an embodiment of the present invention shown in FIG. 1 is preferably used as a negative electrode current collector of a lithium secondary battery. That is, in a lithium secondary battery, it is preferable that an electrolytic copper foil is used as a negative electrode collector couple
- a foil made of aluminum (Al) is generally used as a positive electrode current collector combined with the positive electrode active material.
- the case where the said electrolytic copper foil 1 for lithium secondary batteries corresponds to the negative electrode electrical power collector applied to a lithium secondary battery is demonstrated as an example.
- the lithium secondary battery electrolytic copper foil (1) due to the MD buckles defect (defects in the form of irregularities occurring in the direction of the MD (Machine Direction) appearing on the copper foil wound after weaving) due to coating deviation and active material desorption phenomenon during the coating of the active material Yield strength, surface area ratio and weight deviation are limited to a certain range in the manufacturing process to prevent the occurrence of defects.
- the lithium secondary battery electrolytic copper foil 1 is manufactured by using a milling machine having a structure including a positive electrode plate positioned at a predetermined interval with respect to a rotating drum and a drum in an electrolytic cell.
- the yield strength and surface area ratio of the electrolytic copper foil are controlled by controlling the amount of the additive liquid contained in the plating liquid (electrolyte) used in the pulverization process using such a milling machine, and the weight in the process of electrodepositing the copper foil on the drum.
- the weight deviation can be controlled within a certain level by installing a shielding plate or installing an auxiliary anode at the outward part.
- the amount of the additive liquid contained in the plating solution is such that the concentration of the thiourea compound is in the range of 0.1 ppm to 3 ppm, the concentration of chlorine is less than 5 ppm, and the concentration of TOC (total organic carbon) is 50 ppm or less.
- the electrolytic copper foil can be controlled to obtain an electrolytic copper foil having a yield strength of 30 kgf / mm 2 or more and 60 kgf / mm 2 or less and a surface area ratio (measured actual surface area / measured unit area) of 1 or more and 3 or less. have.
- the weight deviation is preferably controlled to 3% or less.
- the electrolytic copper foil 1 for a lithium secondary battery according to an embodiment of the present invention in which yield strength, surface area ratio, and weight deviation are limited within a predetermined level, prevents MD buckle defects from occurring, resulting in coating deviation or active material desorption during coating of the active material. It is possible to prevent product defects caused by the occurrence of.
- the yield strength of the lithium secondary battery electrolytic copper foil (1) is less than 30kgf / mm 2 may cause an MD buckles failure phenomenon due to plastic deformation during the winding of the electrolytic copper foil, if the yield strength exceeds 60kgf / mm 2 Although the MD buckle defect is not generated, there is a problem in that the electrolytic copper foil itself is not brittle and cannot be used as a commercial copper foil.
- the surface area ratio (surface area / measurement area) of the lithium secondary battery electrolytic copper foil 1 is less than 1, an air layer flows due to slip phenomenon between the active material and the surface of the electrolytic copper foil 1a, resulting in a high risk of defective MD buckles.
- the surface area ratio is greater than 3, the occurrence of MD buckles defects due to air trapping may be accelerated.
- the air trapping phenomenon means that the air layer is mixed between the layers of the copper foil depending on the surface characteristics of the copper foil and equipment conditions during the winding of the copper foil.
- the surface roughness of the electrolytic copper foil (1) for the lithium secondary battery is preferably in the range of approximately 0.2 ⁇ m 2 ⁇ m based on Rz (ten point average roughness).
- the elongation of the said electrolytic copper foil 1 for lithium secondary batteries is about 3% or more.
- the thickness of the said electrolytic copper foil 1 for lithium secondary batteries it is preferable that it is the range of about 3 micrometers-30 micrometers.
- the thickness of the electrolytic copper foil is too thin (approximately less than 3 ⁇ m), handling of the electrolytic copper foil may be difficult in the battery manufacturing process. On the contrary, if the thickness of the electrolytic copper foil exceeds approximately 30 ⁇ m, the electrolytic copper foil may be used as a current collector. There is a problem that it is difficult to manufacture a high capacity battery due to the increase in volume due to the overall thickness.
- the lithium secondary battery electrolytic copper foil 1 may further include a protective layer 2 formed on the surface (1a).
- the protective layer 2 is selectively formed on the surface 1a of the electrolytic copper foil for the rust prevention treatment of the electrolytic copper foil 1 for a lithium secondary battery, and includes chromate, BTA (Benzotriazole), and silane coupling (Silane coupling). At least one selected from the group consisting of
- the protective layer 2 may also play a role of imparting not only the rust preventing property for the electrolytic copper foil 1 for a lithium secondary battery, but also a heat resistance property and / or an increase in bonding strength with the active material.
- the copper foil was manufactured using the milling machine of the structure containing the positive electrode plate which has a predetermined space
- the production of the raw foil by electrodeposition of copper foil through electroplating was performed by electrodepositing copper foil on the drum with a current density in the range of 10ASD to 80ASD, in which the control of the weight deviation is provided by installing a shielding plate or assisting in the out of weight portion. This was done by installing the anode.
- a drum mill having a width of 1,400 mm was used, and copper (Cu) 70 g / L, sulfuric acid 80 g / L, electrolyte temperature 55 ° C., and current density 55 A / dm 2 under Table 1 below.
- An electrolytic copper foil having a thickness of 8 ⁇ m was prepared according to the manufacturing conditions described in.
- the surface area ratio corresponds to a value obtained by dividing the real surface area measured in three dimensions with respect to the measurement surface divided by the area (measurement unit area) when the heat applied to the surface is measured in plan view.
- the actual surface area is an area obtained by three-dimensionally measuring the measurement area in the first surface 1a of the copper foil sample with a 3D microscope. Specifically, by moving the lens of the 3D microscope in the Z-axis direction to move the focus. That is, the surface area ratio corresponds to the ratio of the measurement unit area to the actual surface area of the exposed surface.
- Weight Deviation L (left), R (right), and C (center) three parts are cut into 10 cm x 10 cm to define (maximum weight-minimum weight) / (average weight) x 100 as the weight deviation.
- Example 1 Comparing Example 1 and Comparative Example 1 of Table 2, when the yield strength of the electrolytic copper foil is less than 30 kgf / mm 2 , it can be seen that the MD buckles defect occurs. Comparing with each other, when the yield strength of the electrolytic copper foil is greater than 60kgf / mm 2 , the MD buckle defect does not appear, but it can be seen that the electrolytic copper foil is torn during the winding process of the electrolytic copper foil.
- Example 2 and Comparative Example 3 of Table 2 when the surface area ratio of the electrolytic copper foil is less than 1, it can be seen that the MD Buckles defect appears, and similarly Example 1 and Comparative Examples 4 and 5 In comparison, when the surface area ratio of the electrolytic copper foil is shown to exceed 3, it can be seen that the MD Buckles defect appears.
- the yield strength of the electrolytic copper foil for lithium secondary batteries is 30kgf / mm 2 to 60kgf / mm 2
- the surface area ratio is 1 to 3, and the weight deviation is 3% or less. It turns out that the electrolytic copper foil for lithium secondary batteries which is excellent in the quality which does not generate
- the present invention relates to an electrolytic copper foil for a lithium secondary battery, which is a negative electrode current collector material applied to a lithium secondary battery, and a lithium secondary battery including the same.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (5)
- 리튬 이차전지의 음극 집전체로서 적용되는 리튬 이차전지용 전해동박에 있어서,상기 리튬 이차전지용 전해동박은,항복 강도가 30kgf/mm2 내지 60kgf/mm2 이고, 표면적비가 1 내지 3 이며, 중량편차는 3% 이하인 것을 특징으로 하는 리튬 이차전지용 전해동박.
- 제1항에 있어서,상기 리튬 이차전지용 전해동박은,표면조도가 Rz 기준으로 0.2㎛ 내지 2㎛ 인 것을 특징으로 하는 리튬 이차전지용 전해동박.
- 제1항에 있어서,상기 리튬 이차전지용 전해동박은,연신율이 3% 이상인 것을 특징으로 하는 리튬 이차전지용 전해동박.
- 제1항에 있어서,상기 리튬 이차전지용 전해동박은,두께가 3㎛ 내지 30㎛ 인 것을 특징으로 하는 리튬 이차전지용 전해동박.
- 제1항 내지 제4항 중 어느 한 항에 따른 리튬 이차전지용 전해동박이 음극 집전체로 적용된 리튬 이차전지.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16814571.2A EP3316362B1 (en) | 2015-06-26 | 2016-04-08 | Method of producing an electrolytic copper foil for lithium secondary batteries and use of the method |
PL16814571.2T PL3316362T3 (pl) | 2015-06-26 | 2016-04-08 | Sposób wytwarzania elektrolitycznej folii miedzianej do wtórych baterii litowych i zastosowanie tego sposobu |
ES16814571T ES2982124T3 (es) | 2015-06-26 | 2016-04-08 | Método de producción de una lámina de cobre electrolítico para baterías secundarias de litio y uso del método |
CN201680000865.5A CN106507689B (zh) | 2015-06-26 | 2016-04-08 | 用于锂二次电池的电解铜箔及包含该电解铜箔的锂二次电池 |
US15/306,216 US10218004B2 (en) | 2015-06-26 | 2016-04-08 | Electrolytic copper foil for lithium secondary battery and lithium secondary battery comprising the same |
JP2017565758A JP6587701B2 (ja) | 2015-06-26 | 2016-04-08 | リチウム二次電池用の電解銅箔及びこれを含むリチウム二次電池 |
Applications Claiming Priority (2)
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KR10-2015-0091274 | 2015-06-26 | ||
KR1020150091274A KR101897474B1 (ko) | 2015-06-26 | 2015-06-26 | 리튬 이차전지용 전해동박 및 이를 포함하는 리튬 이차전지 |
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WO2016208858A1 true WO2016208858A1 (ko) | 2016-12-29 |
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PCT/KR2016/003726 WO2016208858A1 (ko) | 2015-06-26 | 2016-04-08 | 리튬 이차전지용 전해동박 및 이를 포함하는 리튬 이차전지 |
Country Status (10)
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US (1) | US10218004B2 (ko) |
EP (1) | EP3316362B1 (ko) |
JP (1) | JP6587701B2 (ko) |
KR (1) | KR101897474B1 (ko) |
CN (1) | CN106507689B (ko) |
ES (1) | ES2982124T3 (ko) |
HU (1) | HUE066822T2 (ko) |
PL (1) | PL3316362T3 (ko) |
TW (1) | TWI580801B (ko) |
WO (1) | WO2016208858A1 (ko) |
Cited By (5)
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CN108270016A (zh) * | 2017-01-04 | 2018-07-10 | Ls美创有限公司 | 电解铜箔、电极、二次电池及其制造方法 |
JP2018111882A (ja) * | 2017-01-13 | 2018-07-19 | エル エス エムトロン リミテッドLS Mtron Ltd. | しわが実質的にない電解銅箔、それを含む電極、それを含む二次電池、およびその製造方法 |
EP3588640A4 (en) * | 2017-02-27 | 2020-12-16 | KCF Technologies Co., Ltd. | COPPER FOIL WITH EXCELLENT ADHESIVE STRENGTH, ELECTRODE WITH IT, SECONDARY BATTERY WITH IT AND MANUFACTURING PROCESS FOR IT |
EP3678241A4 (en) * | 2017-09-01 | 2021-05-19 | SK Nexilis Co., Ltd. | ELECTROLYTIC COPPER SHEET, PROCESS FOR PRODUCING THE SAME, AND HIGH CAPACITY LI SECONDARY BATTERY NEGATIVE ELECTRODE INCLUDING THE SAME |
US11145907B2 (en) * | 2017-03-28 | 2021-10-12 | Sanyo Electric Co., Ltd. | Method for producing secondary battery having negative electrode with different surface roughnesses |
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KR101897474B1 (ko) | 2015-06-26 | 2018-09-12 | 케이씨에프테크놀로지스 주식회사 | 리튬 이차전지용 전해동박 및 이를 포함하는 리튬 이차전지 |
KR102136794B1 (ko) | 2017-03-09 | 2020-07-22 | 케이씨에프테크놀로지스 주식회사 | 우수한 밀착력을 갖는 동박, 그것을 포함하는 전극, 그것을 포함하는 이차전지, 및 그것의 제조방법 |
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CN108270016A (zh) * | 2017-01-04 | 2018-07-10 | Ls美创有限公司 | 电解铜箔、电极、二次电池及其制造方法 |
JP2018109227A (ja) * | 2017-01-04 | 2018-07-12 | エル エス エムトロン リミテッドLS Mtron Ltd. | 高い耐腐食性を有し、かつ活物質との接着力が優秀な電解銅箔、それを含む電極、それを含む二次電池、およびその製造方法 |
JP2018111882A (ja) * | 2017-01-13 | 2018-07-19 | エル エス エムトロン リミテッドLS Mtron Ltd. | しわが実質的にない電解銅箔、それを含む電極、それを含む二次電池、およびその製造方法 |
CN108306022A (zh) * | 2017-01-13 | 2018-07-20 | Ls美创有限公司 | 电解铜箔、包含其的电极、二次电池及其制造方法 |
CN108306022B (zh) * | 2017-01-13 | 2021-09-21 | Sk纳力世有限公司 | 电解铜箔、包含其的电极、二次电池及其制造方法 |
EP3588640A4 (en) * | 2017-02-27 | 2020-12-16 | KCF Technologies Co., Ltd. | COPPER FOIL WITH EXCELLENT ADHESIVE STRENGTH, ELECTRODE WITH IT, SECONDARY BATTERY WITH IT AND MANUFACTURING PROCESS FOR IT |
US11588156B2 (en) | 2017-02-27 | 2023-02-21 | Sk Nexilis Co., Ltd. | Copper foil having excellent adhesive strength, electrode comprising same, secondary battery comprising same, and manufacturing method therefor |
US11145907B2 (en) * | 2017-03-28 | 2021-10-12 | Sanyo Electric Co., Ltd. | Method for producing secondary battery having negative electrode with different surface roughnesses |
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US11346014B2 (en) | 2017-09-01 | 2022-05-31 | Sk Nexilis Co., Ltd. | Electrolytic copper foil, method for producing same, and high-capacity Li secondary battery negative electrode including same |
Also Published As
Publication number | Publication date |
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EP3316362B1 (en) | 2024-05-08 |
US20180102544A1 (en) | 2018-04-12 |
CN106507689A (zh) | 2017-03-15 |
EP3316362A4 (en) | 2019-01-09 |
PL3316362T3 (pl) | 2024-08-12 |
KR101897474B1 (ko) | 2018-09-12 |
US10218004B2 (en) | 2019-02-26 |
EP3316362A1 (en) | 2018-05-02 |
JP6587701B2 (ja) | 2019-10-09 |
ES2982124T3 (es) | 2024-10-14 |
JP2018519633A (ja) | 2018-07-19 |
TWI580801B (zh) | 2017-05-01 |
HUE066822T2 (hu) | 2024-09-28 |
TW201704487A (zh) | 2017-02-01 |
KR20170001372A (ko) | 2017-01-04 |
CN106507689B (zh) | 2020-01-10 |
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