KR101115913B1 - 리튬 이차전지의 집전체용 동박 - Google Patents
리튬 이차전지의 집전체용 동박 Download PDFInfo
- Publication number
- KR101115913B1 KR101115913B1 KR1020090037039A KR20090037039A KR101115913B1 KR 101115913 B1 KR101115913 B1 KR 101115913B1 KR 1020090037039 A KR1020090037039 A KR 1020090037039A KR 20090037039 A KR20090037039 A KR 20090037039A KR 101115913 B1 KR101115913 B1 KR 101115913B1
- Authority
- KR
- South Korea
- Prior art keywords
- copper foil
- secondary battery
- lithium secondary
- current collector
- tensile strength
- 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.)
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000011889 copper foil Substances 0.000 title claims abstract description 56
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims description 25
- 229910052744 lithium Inorganic materials 0.000 title claims description 25
- 230000003746 surface roughness Effects 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 10
- 239000011149 active material Substances 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 230000000704 physical effect Effects 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 238000012935 Averaging Methods 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
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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)
- General Chemical & Material Sciences (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
Description
Claims (6)
- 리튬 이자전지의 집전체로 사용되는 동박에 있어서,Lab 표색계 기준으로 동박표면의 L값이 85 ~ 90, a값이 12 ~ 18이고,매트면(Matte Side)의 표면조도(Rzjis)가 1.5㎛ 이하인 것을 특징으로 하는 리튬 이차전지의 집전체용 동박.
- 삭제
- 제1항에 있어서,인장강도가 30~40kgf/㎟이며, 180℃에서 5분 동안 열처리한 이후에 인장강도의 저하율이 10% 이하인 것을 특징으로 하는 리튬 이차전지의 집전체용 동박.
- 제1항에 있어서,연신율이 3~20%인 것을 특징으로 하는 리튬 이차전지의 집전체용 동박.
- 제1항에 있어서,동박두께가 1~35㎛인 것을 특징으로 하는 리튬 이차전지의 집전체용 동박.
- 리튬 이자전지의 집전체로 사용되는 동박에 있어서,Lab 표색계 기준으로 동박표면의 L값이 85 ~ 90, a값이 12 ~ 18이고,매트면(Matte Side)의 표면조도(Rzjis)가 1.5㎛ 이하이고,인장강도가 30~40kgf/㎟이며, 180℃에서 5분 동안 열처리한 이후에 인장강도의 저하율이 10% 이하이고,연신율이 3~20%이고,동박두께가 1~35㎛인 것을 특징으로 하는 리튬 이차전지의 집전체용 동박.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090037039A KR101115913B1 (ko) | 2009-04-28 | 2009-04-28 | 리튬 이차전지의 집전체용 동박 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090037039A KR101115913B1 (ko) | 2009-04-28 | 2009-04-28 | 리튬 이차전지의 집전체용 동박 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100118288A KR20100118288A (ko) | 2010-11-05 |
KR101115913B1 true KR101115913B1 (ko) | 2012-02-10 |
Family
ID=43404621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020090037039A Active KR101115913B1 (ko) | 2009-04-28 | 2009-04-28 | 리튬 이차전지의 집전체용 동박 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101115913B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014061983A1 (ko) * | 2012-10-18 | 2014-04-24 | 일진머티리얼즈 주식회사 | 전해동박, 이를 포함하는 전기부품 및 전지, 및 전해동박 제조방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20130143075A (ko) | 2010-12-20 | 2013-12-30 | 후루카와 스카이 가부시키가이샤 | 전극 집전체용 알루미늄 합금호일 및 제조 방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030034193A (ko) * | 2001-07-30 | 2003-05-01 | 미쓰이 긴조꾸 고교 가부시키가이샤 | 커패시터층 형성용의 양면 동클래드적층판 및 그 제조방법 |
KR20070019686A (ko) * | 2004-01-06 | 2007-02-15 | 닛폰 덴카이 가부시키가이샤 | 전자파 실드필터용 동박 및 전자파 실드필터 |
KR20070107803A (ko) * | 2005-03-31 | 2007-11-07 | 미쓰이 긴조꾸 고교 가부시키가이샤 | 전해 동박 및 전해 동박의 제조 방법, 그 전해 동박을이용하여 얻어진 표면 처리 전해 동박, 그 표면 처리 전해동박을 이용한 동장 적층판 및 프린트 배선판 |
JP2008010320A (ja) * | 2006-06-29 | 2008-01-17 | Sony Corp | 電極集電体及びその検査方法、電池用電極及びその製造方法、並びに二次電池及びその製造方法 |
-
2009
- 2009-04-28 KR KR1020090037039A patent/KR101115913B1/ko active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030034193A (ko) * | 2001-07-30 | 2003-05-01 | 미쓰이 긴조꾸 고교 가부시키가이샤 | 커패시터층 형성용의 양면 동클래드적층판 및 그 제조방법 |
KR20070019686A (ko) * | 2004-01-06 | 2007-02-15 | 닛폰 덴카이 가부시키가이샤 | 전자파 실드필터용 동박 및 전자파 실드필터 |
KR20070107803A (ko) * | 2005-03-31 | 2007-11-07 | 미쓰이 긴조꾸 고교 가부시키가이샤 | 전해 동박 및 전해 동박의 제조 방법, 그 전해 동박을이용하여 얻어진 표면 처리 전해 동박, 그 표면 처리 전해동박을 이용한 동장 적층판 및 프린트 배선판 |
JP2008010320A (ja) * | 2006-06-29 | 2008-01-17 | Sony Corp | 電極集電体及びその検査方法、電池用電極及びその製造方法、並びに二次電池及びその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014061983A1 (ko) * | 2012-10-18 | 2014-04-24 | 일진머티리얼즈 주식회사 | 전해동박, 이를 포함하는 전기부품 및 전지, 및 전해동박 제조방법 |
Also Published As
Publication number | Publication date |
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KR20100118288A (ko) | 2010-11-05 |
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