JP5548827B2 - 安全性が向上した二次バッテリー - Google Patents
安全性が向上した二次バッテリー Download PDFInfo
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- JP5548827B2 JP5548827B2 JP2013524030A JP2013524030A JP5548827B2 JP 5548827 B2 JP5548827 B2 JP 5548827B2 JP 2013524030 A JP2013524030 A JP 2013524030A JP 2013524030 A JP2013524030 A JP 2013524030A JP 5548827 B2 JP5548827 B2 JP 5548827B2
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- secondary battery
- electrode
- electrode assembly
- battery
- battery case
- Prior art date
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- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 239000011347 resin Substances 0.000 claims description 20
- 229920005989 resin Polymers 0.000 claims description 20
- 239000012943 hotmelt Substances 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 7
- 238000001746 injection moulding Methods 0.000 claims description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910001416 lithium ion Inorganic materials 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000012805 post-processing Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000011359 shock absorbing material Substances 0.000 claims 2
- 238000007789 sealing Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000006182 cathode active material Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
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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
- H01M50/531—Electrode connections inside a battery 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
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
-
- 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
- H01M10/02—Details
-
- 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
- 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
-
- 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
-
- 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
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- 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
-
- 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
-
- 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
- H01M50/564—Terminals characterised by their manufacturing process
- H01M50/566—Terminals characterised by their manufacturing process by welding, soldering or brazing
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Description
10a・・・二次電池(バッテリーセル)
20・・・バッテリーケース
20a・・・バッテリーケース
30a・・・電極アセンブリ
42・・・カソードタブ
51・・・アノード
90・・・凸部
92・・・衝撃吸収材
220・・・バッテリーケース
230・・・電極アセンブリ
240・・・電極タブ
260・・・電極リード
280・・・絶縁フィルム
A・・・V形領域
Claims (16)
- パウチ形状のバッテリーケースの受容部の中に取り付けられた電極アセンブリを有する二次電池において、複数の電極タブが突出する方向において前記バッテリーケースから延在するように形成された中空の複数の凸部が、前記バッテリーケースの前記受容部の上端において前記電極アセンブリの前記複数の電極タブに対向して設けられており、前記電極タブと電極リードとの間の結合部分が、前記バッテリ―ケース内の前記電極アセンブリの上端に設けられている二次電池。
- 前記電極アセンブリが、積層構造又は積層/折り畳み構造を有するように構成されている、請求項1に記載された二次電池。
- 前記凸部が、前記バッテリーケースの前記受容部の前記上端においてカソードタブ及びアノードタブに対向する位置に形成されている、請求項1に記載された二次電池。
- 前記凸部が、カソードとアノードとにわたって一体的な構造となるように前記バッテリーケースの前記受容部の前記上端においてカソードタブ及びアノードタブに対向する位置に形成されている、請求項1に記載された二次電池。
- 前記凸部の各々が、前記電極アセンブリの厚さの1%から30%に相当する高さを有している、請求項1に記載された二次電池。
- 前記凸部の各々が、前記電極アセンブリの前記タブの幅の80%から300%に相当する幅を有している、請求項1に記載された二次電池。
- 前記凸部の各々に、衝撃吸収材が充填されている、請求項1に記載された二次電池。
- 前記衝撃吸収材が多孔質材料からなる、請求項7に記載された二次電池。
- 前記凸部が、前記電極アセンブリが前記受容部の中に取り付けられて前記バッテリーケースが密封された後の後処理工程によって形成される、請求項1に記載された二次電池。
- 前記電池が、前記凸部が既に形成された前記バッテリーケースの中に前記電極アセンブリを設置することよって形成される、請求項1に記載された二次電池。
- 前記バッテリーケースが、金属層と樹脂層とを備える積層シートからなると共に、前記電極アセンブリが前記受容部の中に取り付けられた後に熱溶接によって密封される、請求項1に記載された二次電池。
- 前記シートがアルミニウム積層シートである、請求項11に記載された二次電池。
- 前記電池がリチウムイオンポリマー電池である、請求項11に記載された二次電池。
- 前記凸部が、前記二次電池に関するパックケースを形成する射出成形中にホットメルト樹脂の射出圧力に逆らって前記電極タブと前記電極リードとの前記結合部分(V形領域)を支持する、請求項1に記載された二次電池。
- 前記凸部が、前記電極アセンブリに、前記電極タブと前記電極リードとの前記結合部分に、及び、前記バッテリーケースに絶縁フィルムが取り付けられた領域に階段状にわたる、請求項1に記載された二次電池。
- 前記バッテリーケースに前記絶縁フィルムが取り付けられた前記領域が、前記電極リードが外側に露出していない領域である、請求項15に記載された二次電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20100076194 | 2010-08-09 | ||
KR10-2010-0076194 | 2010-08-09 | ||
PCT/KR2011/005674 WO2012020939A2 (ko) | 2010-08-09 | 2011-08-02 | 안전성이 향상된 이차전지 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013537691A JP2013537691A (ja) | 2013-10-03 |
JP5548827B2 true JP5548827B2 (ja) | 2014-07-16 |
Family
ID=45568011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013524030A Active JP5548827B2 (ja) | 2010-08-09 | 2011-08-02 | 安全性が向上した二次バッテリー |
Country Status (7)
Country | Link |
---|---|
US (1) | US10003049B2 (ja) |
EP (1) | EP2587566B1 (ja) |
JP (1) | JP5548827B2 (ja) |
KR (1) | KR101269939B1 (ja) |
CN (1) | CN103026532B (ja) |
TW (1) | TWI425701B (ja) |
WO (1) | WO2012020939A2 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013180471A1 (ko) | 2012-05-29 | 2013-12-05 | 주식회사 엘지화학 | 이차 전지 및 이를 제조하는 방법 |
US9876199B2 (en) * | 2013-03-14 | 2018-01-23 | Brightvolt, Inc. | Batteries comprising a mulitlayer dielectric and sealing film and method of making the batteries |
KR101766014B1 (ko) * | 2015-06-17 | 2017-08-07 | 현대자동차주식회사 | 파우치 접촉 타입 배터리 셀 및 이를 적용한 배터리 셀 유닛, 배터리 모듈, 배터리 시스템 |
KR102288544B1 (ko) * | 2015-06-29 | 2021-08-11 | 삼성에스디아이 주식회사 | 이차 전지 및 그 제조 방법 |
US10141550B2 (en) | 2016-10-20 | 2018-11-27 | Ford Global Technologies, Llc | Pouch battery cell assembly for traction battery |
KR102319238B1 (ko) | 2016-11-07 | 2021-10-28 | 삼성에스디아이 주식회사 | 이차 전지 |
KR102185959B1 (ko) * | 2017-04-25 | 2020-12-02 | 주식회사 엘지화학 | 안전성이 향상된 배터리 셀 |
KR102448131B1 (ko) * | 2017-08-29 | 2022-09-28 | 주식회사 엘지에너지솔루션 | 부분적으로 증가된 두께를 가지는 라미네이트 시트로 이루어진 파우치형 이차전지 |
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KR20210044099A (ko) * | 2019-10-14 | 2021-04-22 | 주식회사 엘지화학 | 배터리 셀, 이러한 배터리 셀을 포함하는 배터리 모듈 및 이러한 배터리 모듈을 포함하는 배터리 팩 |
KR102552691B1 (ko) * | 2020-10-06 | 2023-07-10 | 주식회사 엘지에너지솔루션 | 파우치 형 전지 케이스 및 그의 성형 장치, 파우치 형 이차 전지 |
CN116349064B (zh) | 2020-10-06 | 2024-06-18 | 株式会社Lg新能源 | 软包型电池壳体、其成型设备及软包型二次电池 |
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JP4954775B2 (ja) * | 2007-04-12 | 2012-06-20 | ソニー株式会社 | 電池パック |
WO2009013796A1 (ja) | 2007-07-20 | 2009-01-29 | Enax, Inc. | 蓄電デバイス及びその製造方法 |
EP2309568B1 (en) * | 2009-09-16 | 2012-05-30 | Samsung SDI Co., Ltd. | Secondary battery and method for manufacturing the same |
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TWI425701B (zh) | 2014-02-01 |
KR101269939B1 (ko) | 2013-05-31 |
US20130330606A1 (en) | 2013-12-12 |
WO2012020939A9 (ko) | 2012-04-05 |
CN103026532B (zh) | 2015-11-25 |
JP2013537691A (ja) | 2013-10-03 |
WO2012020939A3 (ko) | 2012-05-24 |
EP2587566B1 (en) | 2014-10-01 |
CN103026532A (zh) | 2013-04-03 |
US10003049B2 (en) | 2018-06-19 |
TW201244230A (en) | 2012-11-01 |
EP2587566A2 (en) | 2013-05-01 |
KR20120014540A (ko) | 2012-02-17 |
EP2587566A4 (en) | 2013-05-01 |
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