KR100637744B1 - 리튬 이차전지 - Google Patents
리튬 이차전지 Download PDFInfo
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- KR100637744B1 KR100637744B1 KR1020000036304A KR20000036304A KR100637744B1 KR 100637744 B1 KR100637744 B1 KR 100637744B1 KR 1020000036304 A KR1020000036304 A KR 1020000036304A KR 20000036304 A KR20000036304 A KR 20000036304A KR 100637744 B1 KR100637744 B1 KR 100637744B1
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- Prior art keywords
- battery
- electrolyte solution
- lithium secondary
- secondary battery
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
- H01M10/0567—Liquid materials characterised by the additives
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
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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
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
-
- 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
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/578—Devices or arrangements for the interruption of current in response to pressure
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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
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/581—Devices or arrangements for the interruption of current in response to temperature
-
- 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
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
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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
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/10—Temperature sensitive devices
- H01M2200/106—PTC
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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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
Abstract
Description
전지종류 | 전해액(용질 용매 첨가량(중량%), 첨가제의 종류) | 전류차단 시간(분) | 최고온도 (℃) | 저온특성 (%) | 보존특성 (%) |
A | 1M LiPF6(EC:DEC=4:6) 2% 쿠멘 | 15 | 74 | 83 | 91 |
B | 1M LiPF6(EC:DEC=4:6) 2% 1,3-디이소프로필벤젠 | 17 | 81 | 83 | 92 |
C | 1M LiPF6(EC:DEC=4:6) 2% 1, 4-디이소프로필벤젠 | 17 | 83 | 84 | 89 |
D | 1M LiPF6(EC:DEC=4:6) 2% 1-메틸프로필벤젠 | 17 | 78 | 83 | 90 |
E | 1M LiPF6(EC:DEC=4:6) 2% 1,3-비스(1-메틸프로필)벤젠 | 18 | 80 | 81 | 89 |
F | 1M LiPF6(EC:DEC=4:6) 2% 1,4-비스(1-메틸프로필)벤젠 | 19 | 82 | 83 | 91 |
G | 1M LiPF6(EC:DEC=4:6) 2% 시클로헥실벤젠 | 15 | 72 | 85 | 92 |
H | 1M LiPF6(EC:DEC=4:6) 2% 시클로펜틸벤젠 | 17 | 79 | 84 | 90 |
X | 1M LiPF6(EC:DEC=4:6) 무첨가 | 32 | 파열 | 85 | 93 |
Y | 1M LiPF6(EC:DEC=4:6) 2% 비페닐 | 20 | 88 | 60 | 85 |
Z | 1M LiPF6(EC:DEC=4:6) 2% 4-클로로아니졸 | 21 | 90 | 77 | 65 |
전지종류 | 전해액(용질 용매 첨가량(중량%), 첨가제의 종류) | 전류차단시간(분) | 최고온도(℃) | 저온특성(%) | 보존특성(%) |
I | 1M LiPF6(EC:DMC=4:6) 2% 시클로헥실벤젠 | 15 | 73 | 84 | 92 |
J | 1M LiPF6(EC:MEC=4:6) 2% 시클로헥실벤젠 | 16 | 74 | 85 | 91 |
K | 1M LiPF6(EC:DEC:DMC=4:3:3) 2% 시클로헥실벤젠 | 16 | 76 | 84 | 91 |
L | 0.5M LiPF6+0.5MLiBF4(EC:DEC=4:6) 2% 시클로헥실벤젠 | 16 | 75 | 82 | 87 |
전지종류 | 전해액(용질 용매 첨가량(중량%), 첨가제의 종류) | 전류차단시간(분) | 최고온도(℃) | 저온특성(%) | 보존특성(%) |
M | 1M LiPF6(EC:DEC=4:6) 1% 시클로헥실벤젠 | 16 | 75 | 85 | 92 |
G | 1M LiPF6(EC:DEC=4:6) 2% 시클로헥실벤젠 | 15 | 72 | 85 | 92 |
N | 1M LiPF6(EC:DEC=4:6) 3% 시클로헥실벤젠 | 15 | 72 | 85 | 92 |
O | 1M LiPF6(EC:DEC=4:6) 5% 시클로헥실벤젠 | 15 | 72 | 84 | 91 |
P | 1M LiPF6(EC:DEC=4:6) 10% 시클로헥실벤젠 | 15 | 71 | 80 | 88 |
Claims (4)
- 정극과 부극을 분리기를 개재시켜 적층하여 구성된 전극체와, 유기용매에 용질로서 리튬염을 용해한 전해액을 전지용기 내에 구비한 리튬 이차전지로서,전지 내부의 가스압력이 소정 압력이상으로 되면 충전을 차단하는 전류차단밀봉체를 상기 전지용기에 구비하고,상기 유기용매에 페닐기에 인접하는 제 3차 탄소를 보유하는 알킬벤젠 유도체 또는 시클로알킬벤젠 유도체가 함유되어 있는 것을 특징으로 하는 리튬 이차전지.
- 제 1항에 있어서, 상기 알킬벤젠 유도체는, 쿠멘, 1, 3-디이소프로필벤젠, 1, 4-디이소프로필벤젠, 1-메틸프로필벤젠, 1, 3-비스(1-메틸프로필)벤젠, 1, 4-비스(1-메틸프로필)벤젠 중 어느 하나에서 선택되고,상기 시클로알킬벤젠 유도체는, 시클로헥실벤젠, 시클로펜틸벤젠 중 어느 하나에서 선택되는 것을 특징으로 하는 리튬 이차전지.
- 제 1항 또는 제 2항에 있어서, 리튬 함유금속산화물을 정극활물질로 하는 정극과 탄소재료를 부극활물질로 하는 부극을 구비한 것을 특징으로 하는 리튬 이차전지.
- 제 1항 또는 제 2항에 있어서, 상기 전류차단밀봉체는 과전류가 흐르는 것에 의해 저항치가 증대되는 PTC소자와, 전지 내부의 가스압력이 상승하여 소정의 압력이상으로 되는 것에 의해 변형되어 상기 PTC소자로의 통전을 차단하는 전력도출판을 구비한 것을 특징으로 하는 리튬 이차전지.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP99-185554 | 1999-06-30 | ||
JP11185554A JP3113652B1 (ja) | 1999-06-30 | 1999-06-30 | リチウム二次電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010007570A KR20010007570A (ko) | 2001-01-26 |
KR100637744B1 true KR100637744B1 (ko) | 2006-10-24 |
Family
ID=16172848
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000036304A KR100637744B1 (ko) | 1999-06-30 | 2000-06-29 | 리튬 이차전지 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6632572B1 (ko) |
EP (1) | EP1065744B1 (ko) |
JP (1) | JP3113652B1 (ko) |
KR (1) | KR100637744B1 (ko) |
CN (1) | CN1180505C (ko) |
CA (1) | CA2313297C (ko) |
DE (1) | DE60018852T2 (ko) |
HK (1) | HK1032147A1 (ko) |
HU (1) | HUP0002546A3 (ko) |
TW (1) | TW461129B (ko) |
Families Citing this family (77)
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Also Published As
Publication number | Publication date |
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HUP0002546A2 (hu) | 2001-02-28 |
DE60018852T2 (de) | 2006-03-30 |
HU0002546D0 (en) | 2000-08-28 |
EP1065744B1 (en) | 2005-03-23 |
CA2313297C (en) | 2009-02-24 |
EP1065744A3 (en) | 2002-03-13 |
JP3113652B1 (ja) | 2000-12-04 |
HK1032147A1 (en) | 2001-07-06 |
CN1180505C (zh) | 2004-12-15 |
US6632572B1 (en) | 2003-10-14 |
EP1065744A2 (en) | 2001-01-03 |
KR20010007570A (ko) | 2001-01-26 |
TW461129B (en) | 2001-10-21 |
DE60018852D1 (de) | 2005-04-28 |
CN1279520A (zh) | 2001-01-10 |
HUP0002546A3 (en) | 2002-11-28 |
JP2001015155A (ja) | 2001-01-19 |
CA2313297A1 (en) | 2000-12-30 |
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