JP4990757B2 - 安全素子を備えた電池 - Google Patents
安全素子を備えた電池 Download PDFInfo
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- JP4990757B2 JP4990757B2 JP2007507251A JP2007507251A JP4990757B2 JP 4990757 B2 JP4990757 B2 JP 4990757B2 JP 2007507251 A JP2007507251 A JP 2007507251A JP 2007507251 A JP2007507251 A JP 2007507251A JP 4990757 B2 JP4990757 B2 JP 4990757B2
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- 239000000126 substance Substances 0.000 claims description 38
- 230000008859 change Effects 0.000 claims description 21
- 239000012212 insulator Substances 0.000 claims description 16
- 230000007704 transition Effects 0.000 claims description 16
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000005022 packaging material Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
- H01C7/042—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient mainly consisting of inorganic non-metallic substances
- H01C7/043—Oxides or oxidic compounds
- H01C7/045—Perovskites, e.g. titanates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
- H01C7/042—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient mainly consisting of inorganic non-metallic substances
- H01C7/043—Oxides or oxidic compounds
- H01C7/047—Vanadium oxides or oxidic compounds, e.g. VOx
-
- 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
-
- 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
-
- 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
-
- 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
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
-
- 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
-
- 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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- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Automation & Control Theory (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
- Primary Cells (AREA)
Description
本発明における電池は、所定の温度以上で抵抗が急降下する、金属・絶縁体転移特性(MIT)を有する物質を含んでなる安全素子と、正極リード線と、負極リード線とを備えてなるものであり、
前記安全素子が、前記正極リード線及び前記負極リード線との間に接続されてなるが、前記正極リード線及び前記負極リード線同士が接続されていないものであり、
前記金属・絶縁体転移特性を有する物質の抵抗変化の臨界温度が50℃以上150℃未満であり、
前記金属・絶縁体転移特性を有する物質が、VO、VO 2 、V 2 O 3 、Ti 2 O 3 構造の物質、及びこれらの物質にSt、Ba、Laの元素が添加された物質からなる群より選択されてなるものである。
Al箔に正極活物質(LiCoO2):導電材:バインダーが95:2.5:2.5の割合で構成された正電極と負極活物質(カーボン):導電材:バインダーが94:2:4の割合で構成された負電極とで電極を構成し、両電極の間に絶縁膜を介在し、電解液としてEC:EMCにLiPF6が1M入っている電解液を使用し、外装材としてポーチを使用してなるポリマー電池を作製し、このポリマー電池の正極端子と負極端子との間に常温で25KΩを有するMIT安全素子(バナジウム系の酸化物)で並列接続した
(1)高温実験として、オーブン中に電池を入れ、25℃から90℃まで1時間にわたって昇温させ、90℃で5時間放置した後、25℃まで1時間にわたって降温させながら、電池の厚さ変化を測定し、その結果を図4に示した。
(2)ホットボックス実験として、前記MIT安全素子を接続した電池を4.3Vまで充電した後、オーブンに入れ、常温から160℃まで5℃/minの速度で昇温させ、160℃で1時間放置した後、常温でエア・クーリングしながら電池の電圧変化及び温度変化を測定した。その測定結果を図5に示し、実験の結果、電池は爆発しなかった。
実施例1と同法で作製したポリマー電池に安全素子を接続しないことを除いては、実施例1と同法で高温での厚さ変化を測定し、ホットボックス実験を行った。高温での厚さ変化の測定結果は図4に示しており、ホットボックスの実験結果は図6に示した。ホットボックス実験の結果、比較例1の電池は爆発した。
実施例1と同法で作製したポリマー電池においてMIT素子の代わりに常温で10KΩの抵抗を有するNTC素子(B定数値が4000である)を正極と負極端子に並列に接続したことを除いては、実施例1と同法で高温での厚さ変化を測定し、その結果を図4に示した。
Claims (4)
- 電池であって、
所定の温度以上で抵抗が急降下する、金属・絶縁体転移特性(MIT)を有する物質を含んでなる安全素子と、正極リード線と、負極リード線とを備えてなるものであり、
前記安全素子が、前記正極リード線及び前記負極リード線との間に接続されてなるが、前記正極リード線及び前記負極リード線同士が接続されていないものであり、
前記金属・絶縁体転移特性を有する物質の抵抗変化の臨界温度が50℃以上150℃未満であり、
前記金属・絶縁体転移特性を有する物質が、VO、VO2、V2O3、Ti2O3構造の物質、及びこれらの物質にSt、Ba、Laの元素が添加された物質からなる群より選択されてなるものである、電池。 - 前記金属・絶縁体転移特性を有する物質がチップ形状に構成されてなる、請求項1に記載の電池。
- 前記金属・絶縁体転移特性を有する物質がチップ形状に構成されてなり、かつ、前記チップの両端が金属で成膜されてなる、請求項1に記載の電池。
- 前記金属・絶縁体転移特性を有する物質が包装材でシールされてなる、請求項1に記載の電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20040035567 | 2004-05-19 | ||
KR10-2004-0035567 | 2004-05-19 | ||
PCT/KR2005/001458 WO2005112182A1 (en) | 2004-05-19 | 2005-05-18 | Safety element for battery and battery with the same |
Publications (2)
Publication Number | Publication Date |
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JP2007533074A JP2007533074A (ja) | 2007-11-15 |
JP4990757B2 true JP4990757B2 (ja) | 2012-08-01 |
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Application Number | Title | Priority Date | Filing Date |
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JP2007507251A Active JP4990757B2 (ja) | 2004-05-19 | 2005-05-18 | 安全素子を備えた電池 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7629073B2 (ja) |
EP (1) | EP1749329B1 (ja) |
JP (1) | JP4990757B2 (ja) |
KR (2) | KR100959982B1 (ja) |
CN (1) | CN100486034C (ja) |
BR (1) | BRPI0509414B1 (ja) |
RU (1) | RU2323507C1 (ja) |
TW (1) | TWI258236B (ja) |
WO (1) | WO2005112182A1 (ja) |
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KR100734830B1 (ko) * | 2005-01-14 | 2007-07-03 | 한국전자통신연구원 | 전하방전수단을 포함하는 리튬 2차전지 |
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US8673478B2 (en) * | 2007-02-05 | 2014-03-18 | Gas Technology Institute | Temperature dependent ionic gate |
JP5657273B2 (ja) * | 2009-05-15 | 2015-01-21 | 日産自動車株式会社 | 積層型電池、電池モジュール及び積層型電池の製造方法 |
US8535819B2 (en) | 2010-03-02 | 2013-09-17 | Lenovo (Singapore) Pte. Ltd. | Internally neutralizing a power source |
JP5605314B2 (ja) * | 2011-06-13 | 2014-10-15 | 株式会社Gsユアサ | 電池短絡素子、二次電池、および二次電池システム |
US9178126B2 (en) * | 2012-07-05 | 2015-11-03 | Electronics And Telecommunications Research Institute | Thermoelectric elements using metal-insulator transition material |
US9586489B2 (en) | 2013-07-26 | 2017-03-07 | Lg Chem, Ltd. | Battery pack discharging device and method for discharging a battery pack |
US10600959B2 (en) * | 2013-11-01 | 2020-03-24 | President And Fellows Of Harvard College | Dopant-driven phase transitions in correlated metal oxides |
KR101446994B1 (ko) * | 2013-12-09 | 2014-10-07 | 주식회사 모브릭 | Mit 기술을 적용한 자동 고온 및 고전류 차단 방법 및 이러한 방법을 사용하는 스위치 |
CN103700803A (zh) * | 2014-01-16 | 2014-04-02 | 铂翔超精密模具科技(昆山)有限公司 | 一种电池保护系统 |
KR101553372B1 (ko) * | 2014-03-28 | 2015-09-15 | 전북대학교산학협력단 | 자발 보호 기능을 겸비한 발광 소자 |
KR101595498B1 (ko) * | 2014-04-17 | 2016-02-18 | 주식회사 아이티엠반도체 | 폴리머 배터리 셀 및 이를 포함하는 전자장치 |
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CN108305984A (zh) * | 2018-01-31 | 2018-07-20 | 深圳市华源达科技有限公司 | 一种动力电池壳体 |
CN111276665B (zh) * | 2018-12-04 | 2022-05-24 | 中信国安盟固利动力科技有限公司 | 一种软包装锂离子电池 |
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CN111430655A (zh) * | 2020-04-22 | 2020-07-17 | 福建飞毛腿动力科技有限公司 | 一种带有温度弹片的熔断保护结构 |
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CN1943073A (zh) | 2007-04-04 |
RU2323507C1 (ru) | 2008-04-27 |
US20050260486A1 (en) | 2005-11-24 |
BRPI0509414B1 (pt) | 2016-05-17 |
KR20080099227A (ko) | 2008-11-12 |
KR100959982B1 (ko) | 2010-05-27 |
TWI258236B (en) | 2006-07-11 |
TW200603457A (en) | 2006-01-16 |
BRPI0509414A (pt) | 2007-09-04 |
JP2007533074A (ja) | 2007-11-15 |
KR20060047988A (ko) | 2006-05-18 |
WO2005112182A1 (en) | 2005-11-24 |
EP1749329A4 (en) | 2011-01-19 |
CN100486034C (zh) | 2009-05-06 |
EP1749329B1 (en) | 2015-10-07 |
US7629073B2 (en) | 2009-12-08 |
EP1749329A1 (en) | 2007-02-07 |
KR101121282B1 (ko) | 2012-03-23 |
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