KR101036245B1 - 실링부가 uv 경화성 물질로 코팅되어 있는 파우치형전지의 제조방법 - Google Patents
실링부가 uv 경화성 물질로 코팅되어 있는 파우치형전지의 제조방법 Download PDFInfo
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- KR101036245B1 KR101036245B1 KR1020070023358A KR20070023358A KR101036245B1 KR 101036245 B1 KR101036245 B1 KR 101036245B1 KR 1020070023358 A KR1020070023358 A KR 1020070023358A KR 20070023358 A KR20070023358 A KR 20070023358A KR 101036245 B1 KR101036245 B1 KR 101036245B1
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- 239000010409 thin film Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical group 0.000 description 1
- BDZBKCUKTQZUTL-UHFFFAOYSA-N triethyl phosphite Chemical compound CCOP(OCC)OCC BDZBKCUKTQZUTL-UHFFFAOYSA-N 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/105—Pouches or flexible bags
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/117—Inorganic material
- H01M50/119—Metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/121—Organic material
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
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- 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)
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
Claims (15)
- 수납부가 형성되어 있는 시트형 케이스에 양극/분리막/음극 구조의 전극조립체를 장착하고 열융착에 의해 밀봉된 구조의 이차전지를 제조하는 방법으로서,(a) 상기 열융착에 의해 수납부 외주면 전체에 열융착 부위(실링부)를 형성하는 단계;(b) 상기 실링부를 각각 수직으로 절곡하여 수납부의 측벽에 밀착시키는 단계; 및(c) 상기 수직 절곡 실링부의 단부에 자외선 경화성 물질을 도포한 후 자외선(UV)을 조사하여 경화시키는 단계;를 포함하는 과정으로 제조되며,전극 단자가 위치하는 수직 절곡 실링부에는 수납부의 측벽에 안착되는 방향으로 보호회로부가 탑재되어 있는 것을 특징으로 하는 이차전지의 제조방법.
- 수납부가 형성되어 있는 시트형 케이스에 양극/분리막/음극 구조의 전극조립체를 장착하고 열융착에 의해 밀봉된 구조의 이차전지를 제조하는 방법으로서,(a) 상기 열융착에 의해 수납부 외주면 전체에 열융착 부위(실링부)를 형성하는 단계;(b) 상기 수납부가 형성되어 있는 시트형 케이스(A)의 열융착 부위(실링부)에서 그와 대면하여 접촉되는 시트형 케이스(B)의 열융착 부위(실링부)보다 넓게 형성된 잉여부를 시트형 케이스(B) 방향으로 절곡하여 변형시키는 단계; 및(c) 상기 잉여부의 단부에 자외선 경화성 물질을 도포한 후 자외선(UV)을 조사하여 경화시키는 단계;를 포함하는 과정으로 제조되며,전극 단자가 위치하는 수직 절곡 실링부에는 수납부의 측벽에 안착되는 방향으로 보호회로부가 탑재되어 있는 것을 특징으로 하는 이차전지의 제조방법.
- 제 2 항에 있어서, 상기 잉여부의 크기는 시트형 케이스(B)의 두께와 동일하거나 그 보다 큰 것을 특징으로 하는 제조방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 시트형 케이스는 수지층과 금속층을 포함하는 라미네이트 시트로 이루어진 것을 특징으로 하는 제조방법.
- 제 4 항에 있어서, 상기 시트형 케이스는 알루미늄 라미네이트 시트의 파우치형 케이스인 것을 특징으로 하는 제조방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 자외선 경화성 물질은 친수성 기(hydrophilic function group)를 가진 물질인 것을 특징으로 하는 제조방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 자외선 경화성 물질은 불포화 폴리에스테르계 물질 또는 폴리아크릴레이트계 물질인 것을 특징으로 하는 제조방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 자외선 경화성 물질은 소정의 점도를 가진 올리고머, 또는 소분자량의 중합체의 형태로 해당 부위에 도포된 후 UV로 경화되는 것을 특징으로 하는 제조방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 자외선 경화성 물질은 단량체로서 소정의 증점제가 첨가된 상태에서 해당 부위에 도포된 후 UV로 경화되는 것을 특징으로 하는 제조방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 자외선 경화성 물질은 전극조립체에 연결되어 전지케이스 외부로 돌출되어 있는 전극리드 주변의 실링부에 코팅되어 있는 것을 특징으로 하는 제조방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 전극조립체는 권취형 구조, 스택형 구조 또는 스택/권취형 구조로 이루어진 것을 특징으로 하는 제조방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 전극조립체는 판상형 육면체 구조로 이루어져 있고, 상기 실링부의 모서리는 절곡이 용이할 수 있도록 소정 크기의 모따기가 행해진 것을 특징으로 하는 제조방법.
- 삭제
- 제 1 항 또는 제 2 항에 있어서, 상기 전지는 리튬이온 이차전지 또는 리튬이온 폴리머 전지인 것을 특징으로 하는 제조방법.
- 수납부가 형성되어 있는 시트형 케이스에 양극/분리막/음극 구조의 전극조립체를 장착하고 열융착에 의해 밀봉된 구조의 이차전지로서, 상기 열융착에 의해 수납부 외주면 전체에 열융착 부위(실링부)가 형성되어 있으며, 상기 수납부가 형성되어 있는 시트형 케이스(A)의 열융착 부위(실링부)에서 그와 대면하여 접촉되는 시트형 케이스(B)의 열융착 부위(실링부)보다 넓게 형성된 잉여부는 시트형 케이스(B) 방향으로 절곡하여 변형되어 있고, 상기 잉여부의 단부에 자외선 경화성 물질이 도포되어 있으며, 전극 단자가 위치하는 수직 절곡 실링부에는 수납부의 측벽에 안착되는 방향으로 보호회로부가 탑재되어 있는 것을 특징으로 하는 이차전지.
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WO2020017826A1 (ko) | 2018-07-20 | 2020-01-23 | 주식회사 엘지화학 | 파우치형 이차전지의 제조방법 |
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KR101172231B1 (ko) | 2009-11-30 | 2012-08-07 | 삼성에스디아이 주식회사 | 보호 테이프 및 이를 구비한 이차전지 |
KR101296616B1 (ko) * | 2011-01-24 | 2013-08-14 | 주식회사 엘지화학 | 전지케이스 표면에 자가치유물질 층을 포함하는 이차전지 및 이를 포함하는 전지팩 |
KR20140144843A (ko) | 2013-06-12 | 2014-12-22 | 주식회사 엘지화학 | 실링부가 경화성 물질로 절연되어 있는 파우치형 전지셀의 제조방법 |
KR101717154B1 (ko) * | 2013-12-27 | 2017-03-16 | 주식회사 엘지화학 | 경화성 물질이 부가된 전지셀 제조 방법 및 제조 장치 |
KR101634769B1 (ko) * | 2013-12-27 | 2016-06-29 | 주식회사 엘지화학 | 경화성 물질 분사 수단을 구비한 전지셀 제조 장치 |
KR101650044B1 (ko) * | 2013-12-30 | 2016-08-22 | 주식회사 엘지화학 | 전지케이스의 수납부 형상에 따라 절곡된 실링부 단부 상에 전기적 절연성 물질이 부가되어 있는 구조의 전지셀 |
KR101675960B1 (ko) * | 2014-01-28 | 2016-11-14 | 주식회사 엘지화학 | 경화성 물질 부가 수단을 구비한 전지셀 제조장치 |
KR101675966B1 (ko) * | 2014-01-28 | 2016-11-14 | 주식회사 엘지화학 | 경화성 물질 부가 수단을 구비한 전지셀 제조장치 |
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WO2020017826A1 (ko) | 2018-07-20 | 2020-01-23 | 주식회사 엘지화학 | 파우치형 이차전지의 제조방법 |
KR20200009946A (ko) | 2018-07-20 | 2020-01-30 | 주식회사 엘지화학 | 파우치형 이차전지의 제조방법 |
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