KR100956397B1 - 실링부가 열가소성 수지 또는 열경화성 수지에 난연 물질 및 내열 물질이 배합된 난연성 및 내열성 수지 조성물로 코팅되어 안전성이 향상된 파우치형 전지 및 그 제조 방법 - Google Patents
실링부가 열가소성 수지 또는 열경화성 수지에 난연 물질 및 내열 물질이 배합된 난연성 및 내열성 수지 조성물로 코팅되어 안전성이 향상된 파우치형 전지 및 그 제조 방법 Download PDFInfo
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- KR100956397B1 KR100956397B1 KR1020090112371A KR20090112371A KR100956397B1 KR 100956397 B1 KR100956397 B1 KR 100956397B1 KR 1020090112371 A KR1020090112371 A KR 1020090112371A KR 20090112371 A KR20090112371 A KR 20090112371A KR 100956397 B1 KR100956397 B1 KR 100956397B1
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- Prior art keywords
- pouch
- heat
- flame retardant
- secondary battery
- flame
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- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 3
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- WGKLOLBTFWFKOD-UHFFFAOYSA-N tris(2-nonylphenyl) phosphite Chemical compound CCCCCCCCCC1=CC=CC=C1OP(OC=1C(=CC=CC=1)CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC WGKLOLBTFWFKOD-UHFFFAOYSA-N 0.000 claims description 3
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Images
Classifications
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- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
- H01M10/38—Construction or manufacture
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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
- 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
- H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
- H01M50/143—Fireproof; Explosion-proof
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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
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/178—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for pouch or flexible bag cells
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
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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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- 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
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Abstract
Description
Claims (15)
- 양극, 세퍼레이터, 음극을 포함하여 이루어지는 전극 조합체와,상기 전극 조합체를 수용하는 홈과 상기 홈 주변에 융착되어 플랜지 형태로 형성되는 가장자리를 가지는 파우치를 구비하여 이루어지는 파우치형 리튬 이차 전지에 있어서,상기 가장자리의 적어도 일 부분에서 상기 가장자리의 단부가 열가소성 수지 또는 열경화성 수지에 난연 물질 및 내열 물질이 배합된 난연성 및 내열성 수지 조성물로 덮인 것을 특징으로 하는 안전성이 향상된 파우치형 리튬 이차 전지.
- 제1항에 있어서,상기 열가소성 수지 또는 열경화성 수지에 난연 물질 및 내열 물질이 배합된 난연성 및 내열성 수지 조성물이 상기 파우치에서 상기 양극 및 상기 음극에 설치되는 전극 탭이 인출되는 부분을 제외한 상기 가장자리의 단부 전체를 덮도록 형성됨을 특징으로 하는 안전성이 향상된 파우치형 리튬 이차 전지.
- 제1항에 있어서,상기 열가소성 수지 또는 열경화성 수지에 난연 물질 및 내열 물질이 배합된 난연성 및 내열성 수지 조성물은 난연 및 내열 테이프로 형성됨을 특징으로 하는 안전성이 향상된 파우치형 리튬 이차 전지.
- 제1항에 있어서,상기 파우치는 상기 홈의 두께 방향으로 볼 때 4각형을 이루며,상기 파우치 양 옆 두변에서 상기 가장자리는 상기 홈이 형성된 방향으로 한 번 절곡되고,상기 열가소성 수지 또는 열경화성 수지에 난연 물질 및 내열 물질이 배합된 난연성 및 내열성 수지 조성물로 구성된 난연 및 내열 테이프가 상기 가장자리의 단부를 중심으로 너비의 일부는 상기 가장자리에 부착되고, 너비의 나머지 일부는 상기 홈을 이루는 면에 부착되는 것을 특징으로 하는 안전성이 향상된 파우치형 리튬 이차 전지.
- 제1항에 있어서,상기 파우치는 상기 홈의 두께 방향으로 볼 때 4각형을 이루며,상기 파우치 양 옆 두변의 상기 가장자리는 너비가 반이 되어 겹치도록 1차 절곡되고, 겹쳐진 상기 가장자리는 다시 상기 홈 방향으로 2차 절곡된 상태를 이루며,상기 열가소성 수지 또는 열경화성 수지에 난연 물질 및 내열 물질이 배합된 난연성 및 내열성 수지 조성물은 보호회로 기판이 설치되는 한 변과 상기 두 변이 만나는 두 모서리 부분의 가장자리 단부에만 덮이는 것을 특징으로 하는 안전성이 향상된 파우치형 리튬 이차 전지.
- 제1항 내지 제5항 중 어느 하나의 항에 있어서,상기 난연 물질은 할로겐계 난연제, 인계 난연제, 질소계 난연제 및 무기화합물 난연제로 구성된 그룹에서 선택되는 하나 또는 둘 이상의 혼합물인 것을 특징으로 하는 안전성이 향상된 파우치형 리튬 이차 전지.
- 제6항에 있어서,상기 할로겐계 난연제는 트리브로모 페녹시에탄, 테트라 브로모 비스페놀-A (TBBA), 옥타브로모 디페닐에테르 (OBDPE), 브롬화 에폭시, 브롬화 폴리 카보네이트 올리고모, 염소화 파라핀, 염소화 폴리에틸렌 및 지환족 염소계 난연제로 구성된 그룹에서 선택되는 하나 또는 둘 이상의 혼합물인 것을 특징으로 하는 안전성이 향상된 파우치형 리튬 이차 전지.
- 제6항에 있어서,상기 인계 난연제는 적인, 인산 암모늄 등의 phosphates, phosphine oxide, phosphine oxide diols, phosphites, phosphonates, triaryl phosphate, alkyldiaryl phosphate, trialkyl phosphate 및 resorcinaol bisdiphenyl phosphate (RDP) 로 구성된 그룹에서 선택되는 하나 또는 둘 이상의 혼합물인 것을 특징으로 하는 안전성이 향상된 파우치형 리튬 이차 전지.
- 제6항에 있어서,상기 질소계 난연제는 멜라민, 멜라민 포스페이트 및 멜라민 시아누레이트로 구성된 그룹에서 선택되는 하나 또는 둘 이상의 혼합물인 것을 특징으로 하는 안전성이 향상된 파우치형 리튬 이차 전지.
- 제6항에 있어서,상기 무기화합물 난연제는 수산화알루미늄, 수산화마그네슘, 산화안티몬, 수산화주석, 산화주석, 산화몰리브덴, 지르코늄화합물, 붕산염 및 칼슘염으로 구성된 그룹에서 선택되는 하나 또는 둘 이상의 혼합물인 것을 특징으로 하는 안전성이 향상된 파우치형 리튬 이차 전지.
- 제6항에 있어서,상기 내열 물질은 구리계 내열제 또는 포스파이트계 내열제인 것을 특징으로 하는 안전성이 향상된 파우치형 리튬 이차 전지.
- 제11항에 있어서,상기 포스파이트계 내열제가 비스(2,6-디-테르트-부틸-4-메틸페닐)펜타에르트리톨-디-포스파이트, 테트라키스[메틸렌-3-(라우릴티오) 프로피오네이트]메탄, 트리페닐포스파이트, 트리라우릴포스파이트, 트리스 (노닐페닐)포스파이트, 트리-이소-옥틸-포스파이트, 트리올레일포스파이트, 트리스(2,4-디-터셔리-부틸페닐)포스파이트, 디페닐-노닐페닐-포스파이트, 페닐-디-이소데실-포스파이트, 및 트리라우릴-트리-티오-포스파이트로부터 선택되는 것을 특징으로 하는 안전성이 향상된 파우치형 리튬 이차 전지.
- 제1항에 있어서,상기 이차 전지는 리튬 이온전지 또는 리튬 폴리머 전지인 것을 특징으로 하는 안전성이 향상된 파우치형 리튬 이차 전지.
- 제 1항 내지 제 13항의 파우치형 리튬 이차 전지를 하나 또는 둘 이상 포함하는 것으로 구성된 중대형 전지팩.
- 제14항에 있어서,상기 전지팩에는 적어도 일부 또는 전체 단위전지들이 직렬로 연결되어 있으며, 상기 직렬 연결의 단위전지들 중 적어도 하나 또는 둘 이상의 단위전지가 상기 파우치형 리튬 이차 전지로 구성되어 있는 것을 특징으로 하는 중대형 전지팩.
Priority Applications (3)
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KR1020090112371A KR100956397B1 (ko) | 2009-11-20 | 2009-11-20 | 실링부가 열가소성 수지 또는 열경화성 수지에 난연 물질 및 내열 물질이 배합된 난연성 및 내열성 수지 조성물로 코팅되어 안전성이 향상된 파우치형 전지 및 그 제조 방법 |
US13/509,717 US20130071696A1 (en) | 2009-11-20 | 2010-11-18 | Pouch-type battery with improved safety by coating sealing unit with flame retardant and heat resistant resin composition prepared by mixing flame retardant material and heat resistant material to thermoplastic resin or thermosetting resin and production method thereof |
PCT/KR2010/008140 WO2011062417A2 (ko) | 2009-11-20 | 2010-11-18 | 실링부가 열가소성 수지 또는 열경화성 수지에 난연 물질 및 내열 물질이 배합된 난연성 및 내열성 수지 조성물로 코팅되어 안전성이 향상된 파우치형 전지 및 그 제조 방법 |
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KR1020090112371A KR100956397B1 (ko) | 2009-11-20 | 2009-11-20 | 실링부가 열가소성 수지 또는 열경화성 수지에 난연 물질 및 내열 물질이 배합된 난연성 및 내열성 수지 조성물로 코팅되어 안전성이 향상된 파우치형 전지 및 그 제조 방법 |
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US (1) | US20130071696A1 (ko) |
KR (1) | KR100956397B1 (ko) |
WO (1) | WO2011062417A2 (ko) |
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Also Published As
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US20130071696A1 (en) | 2013-03-21 |
WO2011062417A2 (ko) | 2011-05-26 |
WO2011062417A3 (ko) | 2011-11-03 |
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