WO2015012520A1 - 이동형 가압부재를 포함하는 전지모듈 - Google Patents
이동형 가압부재를 포함하는 전지모듈 Download PDFInfo
- Publication number
- WO2015012520A1 WO2015012520A1 PCT/KR2014/006355 KR2014006355W WO2015012520A1 WO 2015012520 A1 WO2015012520 A1 WO 2015012520A1 KR 2014006355 W KR2014006355 W KR 2014006355W WO 2015012520 A1 WO2015012520 A1 WO 2015012520A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rail
- battery
- battery cell
- battery module
- sliding
- Prior art date
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0481—Compression means other than compression means for stacks of electrodes and 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
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
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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
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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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
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
- H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
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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
-
- 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
Definitions
- the present invention relates to a battery module including a movable pressure member.
- a secondary battery is composed of an electrode assembly composed of a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode in a laminated or wound state, embedded in a battery case of a metal can or laminate sheet, and then injected or impregnated with an electrolyte solution.
- the present invention aims to solve the problems of the prior art as described above and the technical problems that have been requested from the past.
- a movable pressing member compressing the battery cell stack
- the battery module according to the present invention includes a movable pressing member for compressing the battery cell stack, thereby keeping the pressure of the battery cell constant and preventing leakage of the electrolyte solution.
- the movable pressing member may be interposed between the module case and the battery cell stack.
- the movable pressure member includes a support member including a detachable base plate and a leg member coupled to both ends of the detachable base plate, a sliding member for moving the support member in a direction opposite to the pressing direction of the battery cell stack, and the sliding motion It may include a stopper member for stepwise preventing the movement of the member.
- the detachable base plate may have a structure in which the size of the battery cell stack is increased in the stacking direction of the battery cells by the size of the battery cell stack expanding in the stacking direction when the battery cell stack is expanded and the gap between the leg members at both ends is widened.
- the sliding member may be a sliding rail including a fixed first rail and a movable second rail moving on the first rail
- the stopper member may include the first rail and the It may be made of a concave-convex structure formed on each facing surface of the second rail.
- the sliding member may be a sliding rail including a fixed first rail and a movable second rail moving on the first rail, wherein the stopper member is formed on the first rail. It is formed at equal intervals on the elastic protrusions and the second rail may be made of a coupling groove coupled to the elastic protrusions.
- the stopper member may be mounted in a module case with an uneven structure
- the sliding member may be a wheel member that moves on the stopper member of the uneven structure and couples to the bottom of the leg member.
- the sliding member may be a wheel member coupled to a lower end of the leg member, and the stopper member may be a compressive elastic member connecting leg members coupled to both ends of the detachable base plate.
- the compression elastic member may be a compression spring.
- the movable pressing member may be configured to solve the expansion stress of each battery cell constituting the battery cell stack to maintain a constant pressure applied to each battery cell.
- the pressure may be maintained in the range of 30 kgf or more to 80 kgf or less.
- the pressure is less than 30 kgf, it is not possible to sufficiently suppress the expansion of the battery cell, when the pressure exceeds 80 kgf, the battery cell may be damaged due to excessive pressure. Therefore, the appropriate pressure of the movable pressing member can be in the above range.
- the battery cell may be a pouch-type battery cell in which an electrolyte and an electrode laminate are embedded and the battery case is sealed.
- the present invention also provides a battery pack comprising the battery module as a unit module.
- the present invention also provides a device comprising the battery pack as a power source, the device is specifically, mobile phones, portable computers, smart phones, smart pads, netbooks, LEV (Light Electronic Vehicle), electric vehicle , A hybrid electric vehicle, a plug-in hybrid electric vehicle, and a power storage device.
- the device is specifically, mobile phones, portable computers, smart phones, smart pads, netbooks, LEV (Light Electronic Vehicle), electric vehicle , A hybrid electric vehicle, a plug-in hybrid electric vehicle, and a power storage device.
- FIG. 1 is a schematic view of a battery module according to an embodiment of the present invention.
- FIG. 1 is a schematic diagram of a battery module according to an embodiment of the present invention.
- the battery module 10 includes a module case 100, a battery cell stack 200, and a movable pressing member 300.
- the movable pressure member 300 includes a support member 310, a sliding member 320, and a stopper member 330.
- the support member 310 is composed of a detachable base plate 311 and a leg member 312.
- the sliding member 320 is coupled to the lower end of the leg member 312, and is made of a wheel structure, it is possible to move on the stopper member 330.
- the stopper member 330 has a concave-convex structure, so that the movement of the sliding member 320 can be prevented in stages.
- the leg member 312 When the battery cell stack 200 is expanded due to gas generation, the leg member 312 receives pressure from the battery cell stack 200, and the sliding member 320 connected to the leg member 312 may be a stopper member 330. To the left and right.
- the detachable base plate 311 has a structure in which the size becomes larger as the battery cell stack 200 expands to widen the interval between the leg members 312 at both ends. By such a structure, the pressure applied to the battery cell stack 200 can be kept constant.
- the battery module according to the present invention includes a movable pressure member for compressing the battery cell stack, thereby keeping the pressure of the battery cell constant and preventing leakage of the electrolyte solution.
Abstract
Description
Claims (13)
- 모듈 케이스;상기 모듈 케이스에 내장되는 전지셀 적층체; 및상기 전지셀 적층체를 압축하는 이동형 가압부재;를 포함하는 것을 특징으로 하는 전지모듈.
- 제 1 항에 있어서, 상기 이동형 가압부재는 상기 모듈 케이스와 전지셀 적층체의 사이에 개재되는 것을 특징으로 하는 전지모듈.
- 제 1 항에 있어서, 상기 이동형 가압부재는, 분리형 베이스 플레이트와 상기 분리형 베이스 플레이트의 양단에 결합되는 다리 부재로 이루어진 지지 부재, 상기 지지 부재를 전지셀 적층체의 가압 방향의 역방향으로 이동시키는 미끄럼 운동 부재, 및 상기 미끄럼 운동 부재의 이동을 단계적으로 저지하는 스토퍼(stopper) 부재를 포함하는 것을 특징으로 하는 전지모듈.
- 제 3 항에 있어서, 상기 미끄럼 운동 부재는, 고정형의 제 1 레일과 상기 제 1 레일 상에서 이동하는 이동형의 제 2 레일을 포함하는 슬라이딩 레일이고, 상기 스토퍼 부재는, 상기 제 1 레일과 상기 제 2 레일의 각각의 대면에 형성되는 요철 구조로 이루어진 것을 특징으로 하는 전지모듈.
- 제 3 항에 있어서, 상기 미끄럼 운동 부재는, 고정형의 제 1 레일과 상기 제 1 레일 상에서 이동하는 이동형의 제 2 레일을 포함하는 슬라이딩 레일이고, 상기 스토퍼 부재는, 상기 제 1 레일에 형성되는 탄성 돌기와 상기 제 2 레일에 등간격으로 형성되어 상기 탄성 돌기와 결합하는 체결 홈으로 이루어진 것을 특징으로 하는 전지모듈.
- 제 3 항에 있어서, 상기 스토퍼 부재는, 요철 구조를 가지고 모듈 케이스 내에 장착되며, 상기 미끄럼 운동 부재는, 상기 요철 구조의 스토퍼 부재 상에서 이동하고 상기 다리 부재의 하단에 결합하는 바퀴 부재인 것을 특징으로 하는 전지모듈.
- 제 3 항에 있어서, 상기 미끄럼 운동 부재는, 상기 다리 부재의 하단에 결합하는 바퀴 부재이며, 상기 스토퍼 부재는, 상기 분리형 베이스 플레이트의 양단에 결합되는 다리 부재를 연결하는 압축 탄성 부재인 것을 특징으로 하는 전지모듈.
- 제 7 항에 있어서, 상기 압축 탄성 부재는, 압축 스프링인 것을 특징으로 하는 전지모듈.
- 제 1 항에 있어서, 상기 이동형 가압 부재는, 상기 전지셀 적층체를 구성하는 개개의 전지셀의 팽창응력을 해소하여 개개의 전지셀에 가해지는 압력을 일정하게 유지하는 것을 특징으로 하는 전지모듈.
- 제 9 항에 있어서, 상기 압력은, 30 kgf 이상 내지 80 kgf 이하의 범위 내에서 유지되는 것을 특징으로 하는 전지모듈.
- 제 1 항에 있어서, 전지셀은, 전해질과 전극 적층체를 내장하고 전지 케이스를 밀봉한 파우치형 전지셀인 것을 특징으로 하는 전지모듈.
- 제 1 항 내지 제 11 항 중 어느 하나에 따른 전지모듈을 포함하는 전지팩.
- 제 12 항에 따른 전지팩을 동력원으로 사용하는 디바이스.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/782,175 US10276842B2 (en) | 2013-07-25 | 2014-07-15 | Battery module having movable pressurization member |
JP2016507898A JP6284622B2 (ja) | 2013-07-25 | 2014-07-15 | 移動型加圧部材を含む電池モジュール |
CN201480019650.9A CN105103334B (zh) | 2013-07-25 | 2014-07-15 | 具有可移动加压构件的电池模块 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2013-0087899 | 2013-07-25 | ||
KR1020130087899A KR101699867B1 (ko) | 2013-07-25 | 2013-07-25 | 이동형 가압부재를 포함하는 전지모듈 |
Publications (1)
Publication Number | Publication Date |
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WO2015012520A1 true WO2015012520A1 (ko) | 2015-01-29 |
Family
ID=52393508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2014/006355 WO2015012520A1 (ko) | 2013-07-25 | 2014-07-15 | 이동형 가압부재를 포함하는 전지모듈 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10276842B2 (ko) |
JP (1) | JP6284622B2 (ko) |
KR (1) | KR101699867B1 (ko) |
CN (1) | CN105103334B (ko) |
WO (1) | WO2015012520A1 (ko) |
Cited By (2)
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CN105405998A (zh) * | 2015-11-18 | 2016-03-16 | 芜湖凯尔电气科技有限公司 | 一种电动汽车动力电池组 |
US20180198102A1 (en) * | 2017-01-11 | 2018-07-12 | Lg Chem, Ltd. | Tray for activating battery cell comprising elastic member |
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DE102015208912A1 (de) * | 2015-05-13 | 2016-11-17 | Novero Gmbh | Vorrichtung zur Speicherung elektrischer Energie, Verfahren zum Betrieb einer solchen Vorrichtung und Verfahren zur Herstellung einer solchen Vorrichtung |
KR101806995B1 (ko) * | 2015-05-18 | 2017-12-08 | 주식회사 엘지화학 | 배터리 팩 |
KR101967703B1 (ko) * | 2015-10-05 | 2019-04-10 | 주식회사 엘지화학 | 배터리 모듈 및 이를 포함하는 배터리 팩 |
CN105591060B (zh) * | 2016-02-25 | 2019-09-03 | 宁德时代新能源科技股份有限公司 | 动力电池组装置 |
CN105762312B (zh) * | 2016-04-07 | 2018-05-04 | 苏州工业园区职业技术学院 | 一种用于动力电池的防撞保护装置 |
KR102178959B1 (ko) | 2017-04-06 | 2020-11-13 | 주식회사 엘지화학 | 엔드 플레이트, 배터리 모듈, 배터리 모듈을 포함하는 배터리 팩 및 배터리 팩을 포함하는 자동차 |
KR102088477B1 (ko) * | 2017-05-16 | 2020-03-12 | 주식회사 엘지화학 | 배터리 모듈 |
WO2018221129A1 (ja) * | 2017-06-02 | 2018-12-06 | 株式会社村田製作所 | 電池の製造装置 |
US11691518B2 (en) * | 2017-07-21 | 2023-07-04 | Quantumscape Battery, Inc. | Predictive model for estimating battery states |
CN109994658B (zh) * | 2017-12-29 | 2021-10-26 | 宁德时代新能源科技股份有限公司 | 侧板结构体、电池模组的壳体及电池模组 |
CN111864252A (zh) * | 2019-04-29 | 2020-10-30 | 中国科学院苏州纳米技术与纳米仿生研究所 | 二次电池装置 |
KR20230026050A (ko) * | 2021-08-17 | 2023-02-24 | 주식회사 엘지에너지솔루션 | 전지 팩 및 이를 포함하는 디바이스 |
JP2023178187A (ja) * | 2022-06-02 | 2023-12-14 | 株式会社Aescジャパン | バッテリーモジュール及び電子機器 |
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- 2013-07-25 KR KR1020130087899A patent/KR101699867B1/ko active IP Right Grant
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2014
- 2014-07-15 JP JP2016507898A patent/JP6284622B2/ja active Active
- 2014-07-15 CN CN201480019650.9A patent/CN105103334B/zh active Active
- 2014-07-15 US US14/782,175 patent/US10276842B2/en active Active
- 2014-07-15 WO PCT/KR2014/006355 patent/WO2015012520A1/ko active Application Filing
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CN105405998A (zh) * | 2015-11-18 | 2016-03-16 | 芜湖凯尔电气科技有限公司 | 一种电动汽车动力电池组 |
US20180198102A1 (en) * | 2017-01-11 | 2018-07-12 | Lg Chem, Ltd. | Tray for activating battery cell comprising elastic member |
US10680214B2 (en) * | 2017-01-11 | 2020-06-09 | Lg Chem, Ltd. | Tray for activating battery cell comprising elastic member |
Also Published As
Publication number | Publication date |
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US20160133892A1 (en) | 2016-05-12 |
JP6284622B2 (ja) | 2018-02-28 |
KR101699867B1 (ko) | 2017-01-25 |
CN105103334A (zh) | 2015-11-25 |
KR20150012413A (ko) | 2015-02-04 |
US10276842B2 (en) | 2019-04-30 |
CN105103334B (zh) | 2018-03-23 |
JP2016514899A (ja) | 2016-05-23 |
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