KR101737028B1 - 전해 동박의 제조 방법 - Google Patents
전해 동박의 제조 방법 Download PDFInfo
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- KR101737028B1 KR101737028B1 KR1020140086970A KR20140086970A KR101737028B1 KR 101737028 B1 KR101737028 B1 KR 101737028B1 KR 1020140086970 A KR1020140086970 A KR 1020140086970A KR 20140086970 A KR20140086970 A KR 20140086970A KR 101737028 B1 KR101737028 B1 KR 101737028B1
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- copper foil
- electrolytic copper
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- secondary battery
- electrolytic
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 239000011889 copper foil Substances 0.000 title claims abstract description 122
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000009864 tensile test Methods 0.000 claims abstract description 8
- 239000010949 copper Substances 0.000 claims description 18
- 229910052802 copper Inorganic materials 0.000 claims description 16
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 239000011241 protective layer Substances 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 7
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 7
- 239000012964 benzotriazole Substances 0.000 claims description 7
- 239000010410 layer Substances 0.000 claims description 6
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims description 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 4
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 4
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 40
- 229910052744 lithium Inorganic materials 0.000 abstract description 40
- 230000000052 comparative effect Effects 0.000 description 11
- 238000007599 discharging Methods 0.000 description 11
- 230000003746 surface roughness Effects 0.000 description 9
- 230000014759 maintenance of location Effects 0.000 description 7
- 238000007747 plating Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000003252 repetitive effect Effects 0.000 description 5
- 238000000137 annealing Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000011149 active material Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- CSJDJKUYRKSIDY-UHFFFAOYSA-N 1-sulfanylpropane-1-sulfonic acid Chemical compound CCC(S)S(O)(=O)=O CSJDJKUYRKSIDY-UHFFFAOYSA-N 0.000 description 1
- LMPMFQXUJXPWSL-UHFFFAOYSA-N 3-(3-sulfopropyldisulfanyl)propane-1-sulfonic acid Chemical compound OS(=O)(=O)CCCSSCCCS(O)(=O)=O LMPMFQXUJXPWSL-UHFFFAOYSA-N 0.000 description 1
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 229910032387 LiCoO2 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
Classifications
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- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/38—Electroplating: Baths therefor from solutions of copper
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
Description
도 1은 본 발명의 일 실시예에 따른 전해 동박을 나타내는 단면도이다.
도 2는 전해 동박에 대한 인장 시험에 있어서 전해 동박이 파단되는 과정을 나타내는 도면이다.
도 3은 파단특성계수를 설명하기 위한 응력-연신율 그래프이다.
11a: 매트 면(Matte surface) 11b: 샤이니 면(Shiny surface)
12: 보호 층
Claims (8)
- 삭제
- 삭제
- 삭제
- 삭제
- 190℃ 에서 1시간 동안 어닐링 되었을 때 5.0 내지 18.0 범위에 해당하는 파단특성계수(f)를 갖는 전해 동박을 제조하는 방법으로서,
(a) 구리 농도가 70g/L 내지 80g/L 이고 황산 농도가 80g/L 내지 110g/L 인 황산동 수용액에 첨가제로서 무기금속 4 ~ 5ppm, 레벨러 2ppm 이하 및 브라이트너 2ppm 이하를 첨가하여 전해액을 제조하는 단계; 및
(b) 상기 전해액의 전해 온도를 40℃ 내지 45℃로 하고, 전류밀도를 40ASD 내지 70ASD로 하여 제박기의 드럼 표면에 구리(Cu)를 전착하는 단계를 포함하며,
f={(C-B)/A}×1000 으로 정의되고,
상기 A는 상기 전해 동박에 대한 인장 시험에 있어서 상기 전해 동박의 파단이 개시되는 시점에 전해 동박이 갖는 응력(kgf/mm2)을 나타내고,
상기 B는 상기 전해 동박의 파단이 개시되는 시점에서의 연신율을 나타내며,
상기 C는 상기 전해 동박의 파단이 종료되는 시점에서의 연신율을 나타내고,
상기 전해 동박의 파단이 개시되는 시점은 상기 인장 시험에 있어서 상기 전해 동박의 연신율이 증가함에 따라 증가하던 응력이 감소되기 시작하는 시점에 해당하며,
상기 전해 동박의 파단이 종료되는 시점은 상기 전해 동박이 파괴되어 2 이상의 조각으로 분리되는 시점에 해당하는 전해 동박의 제조방법. - 제5항에 있어서,
(c) 전착된 구리 층의 표면에 크로메이트(chromate), BTA(benzotriazole) 및 실란 커플링제 중 선택된 적어도 어느 하나로 이루어지는 보호 층을 형성하는 단계를 포함하는 것을 특징으로 하는 전해 동박의 제조방법. - 삭제
- 삭제
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140086970A KR101737028B1 (ko) | 2014-07-10 | 2014-07-10 | 전해 동박의 제조 방법 |
PCT/KR2015/002986 WO2016006793A1 (ko) | 2014-07-10 | 2015-03-26 | 전해 동박 및 그 제조 방법과, 이 전해 동박을 포함하는 리튬 이차전지용 집전체 및 리튬 이차전지 |
JP2017501022A JP2017526115A (ja) | 2014-07-10 | 2015-03-26 | 電解銅箔及びその製造方法、該電解銅箔を含むリチウム二次電池用集電体及びリチウム二次電池 |
CN201580037574.9A CN106536791A (zh) | 2014-07-10 | 2015-03-26 | 电解铜箔及其制造方法、包含该电解铜箔的锂二次电池用的集电体及锂二次电池 |
TW104118592A TWI639731B (zh) | 2014-07-10 | 2015-06-09 | 電解銅箔和產生電解銅箔之方法、及用於鋰二次電池之集流體、以及含有該電解銅箔之二次電池 |
Applications Claiming Priority (1)
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KR1020140086970A KR101737028B1 (ko) | 2014-07-10 | 2014-07-10 | 전해 동박의 제조 방법 |
Related Child Applications (1)
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KR1020160105579A Division KR102109379B1 (ko) | 2016-08-19 | 2016-08-19 | 전해 동박과, 이 전해 동박을 포함하는 리튬 이차전지용 집전체 및 리튬 이차전지 |
Publications (2)
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KR20160007047A KR20160007047A (ko) | 2016-01-20 |
KR101737028B1 true KR101737028B1 (ko) | 2017-05-17 |
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KR1020140086970A Active KR101737028B1 (ko) | 2014-07-10 | 2014-07-10 | 전해 동박의 제조 방법 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP2017526115A (ko) |
KR (1) | KR101737028B1 (ko) |
CN (1) | CN106536791A (ko) |
TW (1) | TWI639731B (ko) |
WO (1) | WO2016006793A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20230076329A (ko) | 2021-11-24 | 2023-05-31 | 동아대학교 산학협력단 | 고연신율 금속박 제조방법 및 고연신율 금속박 |
Families Citing this family (9)
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KR101734840B1 (ko) * | 2016-11-11 | 2017-05-15 | 일진머티리얼즈 주식회사 | 내굴곡성이 우수한 이차전지용 전해동박 및 그의 제조방법 |
KR101733410B1 (ko) * | 2016-11-11 | 2017-05-10 | 일진머티리얼즈 주식회사 | 저온 물성이 우수한 이차전지용 전해동박 및 그의 제조방법 |
KR101733408B1 (ko) * | 2016-11-11 | 2017-05-10 | 일진머티리얼즈 주식회사 | 이차전지용 전해동박 및 그의 제조방법 |
KR101733409B1 (ko) * | 2016-11-11 | 2017-05-10 | 일진머티리얼즈 주식회사 | 이차전지용 전해동박 및 그의 제조방법 |
CN106960960A (zh) * | 2017-05-11 | 2017-07-18 | 天津理工大学 | 一种提高锂离子电池负极材的循环性能的柔性集流体的制备方法 |
KR102473030B1 (ko) | 2017-08-30 | 2022-11-30 | 에스케이넥실리스 주식회사 | 전해동박, 그의 제조방법 및 그것을 포함하는 고용량 Li 이차전지용 음극 |
KR102483089B1 (ko) | 2018-01-31 | 2022-12-29 | 에스케이넥실리스 주식회사 | 후속 공정에서 핸들링 특성이 우수한 전해동박 및 그 제조방법 |
TWI705160B (zh) * | 2019-12-09 | 2020-09-21 | 長春石油化學股份有限公司 | 電解銅箔、包含其的電極和覆銅積層板 |
PL244196B1 (pl) * | 2020-01-30 | 2023-12-11 | Mitsui Mining & Smelting Co Ltd | Elektrolityczna folia miedziana |
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KR20140078883A (ko) * | 2012-12-18 | 2014-06-26 | 주식회사 엘지화학 | 이차전지의 집전체용 전해동박의 제조 방법 |
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- 2015-03-26 JP JP2017501022A patent/JP2017526115A/ja active Pending
- 2015-03-26 WO PCT/KR2015/002986 patent/WO2016006793A1/ko active Application Filing
- 2015-03-26 CN CN201580037574.9A patent/CN106536791A/zh active Pending
- 2015-06-09 TW TW104118592A patent/TWI639731B/zh active
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JP3850321B2 (ja) * | 2002-03-19 | 2006-11-29 | 日本電解株式会社 | 二次電池 |
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KR20230076329A (ko) | 2021-11-24 | 2023-05-31 | 동아대학교 산학협력단 | 고연신율 금속박 제조방법 및 고연신율 금속박 |
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Publication number | Publication date |
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JP2017526115A (ja) | 2017-09-07 |
TWI639731B (zh) | 2018-11-01 |
CN106536791A (zh) | 2017-03-22 |
WO2016006793A1 (ko) | 2016-01-14 |
KR20160007047A (ko) | 2016-01-20 |
TW201602418A (zh) | 2016-01-16 |
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