JP2020514977A - 二次電池 - Google Patents
二次電池 Download PDFInfo
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- JP2020514977A JP2020514977A JP2019536277A JP2019536277A JP2020514977A JP 2020514977 A JP2020514977 A JP 2020514977A JP 2019536277 A JP2019536277 A JP 2019536277A JP 2019536277 A JP2019536277 A JP 2019536277A JP 2020514977 A JP2020514977 A JP 2020514977A
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- 239000003792 electrolyte Substances 0.000 claims abstract description 3
- 230000000903 blocking effect Effects 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 235000019808 microcrystalline wax Nutrition 0.000 claims description 3
- 239000004200 microcrystalline wax Substances 0.000 claims description 3
- 239000002861 polymer material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 230000007850 degeneration Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 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
- H01M50/50—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
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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
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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
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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
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
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- H—ELECTRICITY
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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
- H01M50/10—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
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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
- H01M50/531—Electrode connections inside a battery casing
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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
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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
- H01M50/548—Terminals characterised by the disposition of the terminals on the cells on opposite sides of the cell
-
- 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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- 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
- 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
- H01M50/583—Devices or arrangements for the interruption of current in response to current, e.g. fuses
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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
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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
- H01M2200/20—Pressure-sensitive devices
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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)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
本出願は、2017年7月7日付韓国特許出願第10−2017−0086688号に基づいた優先権の利益を主張し、当該韓国特許出願の文献に開示された全ての内容は、本明細書の一部として含まれる。
Claims (18)
- 電極組立体と電解液を収容するケース;
前記電極組立体と電気的に連結され、前記ケースの外部に延長されるリード部;及び
前記電極組立体と前記リード部の間に形成され、所定の温度及び所定の圧力で前記電極組立体と前記リード部の間を電気的に遮断する電流遮断部;を含む二次電池。 - 前記電流遮断部は、
前記リード部と電気的に連結されるリード側伝導部と前記電極組立体と電気的に連結される電極側伝導部と前記リード側伝導部と前記電極側伝導部の間に絶縁するように形成される絶縁層を含む本体及び
前記本体の内部に移動可能に形成される伝導体素材のスイッチ部材を含み、
前記スイッチ部材は60℃の温度未満又は1barの圧力未満であるとき、前記リード側伝導部と前記電極側伝導部を電気的に連結する連結位置にあり、前記所定の温度及び所定の圧力で前記リード側伝導部と前記電極側伝導部を電気的に遮断する遮断位置に移動する請求項1に記載の二次電池。 - 前記電流遮断部は、
前記電極組立体と電気的に連結される電極側伝導部及び前記リード部と前記電極側伝導部の間に絶縁するように形成される絶縁層を含む本体及び
前記本体の内部から前記リード部の内部まで移動可能に形成される伝導体素材のスイッチ部材を含み、
前記スイッチ部材は60℃の温度未満又は1barの圧力未満であるとき、前記リード部と前記電極側伝導部を電気的に連結する連結位置にあり、前記所定の温度及び所定の圧力で前記リード部と前記電極側伝導部を電気的に遮断する遮断位置に移動する請求項1に記載の二次電池。 - 前記本体は、内部に前記リード側伝導部と前記絶縁層と前記電極側伝導部を連結する移動トンネルが形成される請求項2に記載の二次電池。
- 前記本体は、内部に前記リード部と前記絶縁層と前記電極側伝導部を連結する移動トンネルが形成される請求項3に記載の二次電池。
- 前記スイッチ部材は、前記移動トンネルの内部で移動可能に形成される請求項4又は5に記載の二次電池。
- 前記リード側伝導部の内部に形成された前記移動トンネルの一部には、前記スイッチ部材が前記連結位置にありつつ、前記リード側伝導部と前記電極側伝導部を電気的に連結するように前記スイッチ部材の移動を妨害する支持部材が形成される請求項4に記載の二次電池。
- 前記リード部の内部に形成された前記移動トンネルの一部には、前記スイッチ部材が前記連結位置にありつつ、前記リード部と前記電極側伝導部を電気的に連結するように前記スイッチ部材の移動を妨害する支持部材が形成される請求項5に記載の二次電池。
- 前記支持部材は60℃の温度未満では固体の形態を維持し、
前記所定の温度ではメルティング(melting)され、流動性を有するようになる請求項7又は8に記載の二次電池。 - 前記ケースの内部の空間と前記移動トンネルが互いに連通するように前記電極側伝導部の端部には貫通流路が形成され、
前記連結位置で前記スイッチ部材は前記貫通流路を塞いでいる請求項9に記載の二次電池。 - 前記貫通流路を介して前記ケースの内部の圧力が前記スイッチ部材に伝達する請求項10に記載の二次電池。
- 前記所定の温度で前記支持部材がメルティングされた状態において、前記貫通流路を介して前記スイッチ部材に前記所定の圧力である前記ケースの内部の圧力が伝達すると、前記スイッチ部材が前記遮断位置に移動しつつ、前記リード部と前記電極側伝導部は互いに絶縁される請求項11に記載の二次電池。
- 前記所定の温度は60℃〜120℃であり、前記所定の圧力は1bar〜4barである請求項1に記載の二次電池。
- 前記スイッチ部材は、前記連結位置で一端部が前記リード側伝導部と電気的に連結され、他端部が前記電極側伝導部に電気的に連結される請求項2に記載の二次電池。
- 前記スイッチ部材は、前記連結位置で一端部が前記リード部と電気的に連結され、他端部が前記電極側伝導部に電気的に連結される請求項3に記載の二次電池。
- 前記スイッチ部材は、銅(Cu)素材である請求項2又は3に記載の二次電池。
- 前記ケースは、前記絶縁層にシーリング結合される請求項2又は3に記載の二次電池。
- 前記支持部材は、微晶質(microcrystalline)のワックス(wax)又はポリマー(polymer)素材からなる請求項7又は8に記載の二次電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020170086688A KR102255534B1 (ko) | 2017-07-07 | 2017-07-07 | 이차전지 |
KR10-2017-0086688 | 2017-07-07 | ||
PCT/KR2018/007669 WO2019009650A1 (ko) | 2017-07-07 | 2018-07-05 | 이차전지 |
Publications (2)
Publication Number | Publication Date |
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JP2020514977A true JP2020514977A (ja) | 2020-05-21 |
JP6825190B2 JP6825190B2 (ja) | 2021-02-03 |
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Application Number | Title | Priority Date | Filing Date |
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JP2019536277A Active JP6825190B2 (ja) | 2017-07-07 | 2018-07-05 | 二次電池 |
Country Status (6)
Country | Link |
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US (1) | US11183744B2 (ja) |
EP (1) | EP3544088B1 (ja) |
JP (1) | JP6825190B2 (ja) |
KR (1) | KR102255534B1 (ja) |
CN (1) | CN110062971B (ja) |
WO (1) | WO2019009650A1 (ja) |
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- 2017-07-07 KR KR1020170086688A patent/KR102255534B1/ko active IP Right Grant
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- 2018-07-05 WO PCT/KR2018/007669 patent/WO2019009650A1/ko unknown
- 2018-07-05 JP JP2019536277A patent/JP6825190B2/ja active Active
- 2018-07-05 CN CN201880004960.1A patent/CN110062971B/zh active Active
- 2018-07-05 EP EP18827527.5A patent/EP3544088B1/en active Active
- 2018-07-05 US US16/468,897 patent/US11183744B2/en active Active
Patent Citations (5)
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JPH0536400A (ja) * | 1991-07-26 | 1993-02-12 | Asahi Chem Ind Co Ltd | 気密絶縁端子 |
JPH06203827A (ja) * | 1992-12-28 | 1994-07-22 | Toshiba Battery Co Ltd | 非水電解液電池 |
JP2015536536A (ja) * | 2012-10-18 | 2015-12-21 | エルジー・ケム・リミテッド | 電極リード及びそれを含む二次電池 |
JP2015028882A (ja) * | 2013-07-30 | 2015-02-12 | 株式会社豊田自動織機 | 電流遮断装置及びそれを用いた蓄電装置 |
JP2016532991A (ja) * | 2013-09-26 | 2016-10-20 | エルジー・ケム・リミテッド | 二次電池及びそれに適用される電極リード組立体 |
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JP6825190B2 (ja) | 2021-02-03 |
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EP3544088A4 (en) | 2020-01-22 |
CN110062971B (zh) | 2022-05-03 |
WO2019009650A1 (ko) | 2019-01-10 |
US20190372084A1 (en) | 2019-12-05 |
CN110062971A (zh) | 2019-07-26 |
EP3544088A1 (en) | 2019-09-25 |
KR20190005668A (ko) | 2019-01-16 |
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