WO2020231206A1 - Bloc-batterie et dispositif de stockage d'énergie le comprenant - Google Patents

Bloc-batterie et dispositif de stockage d'énergie le comprenant Download PDF

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Publication number
WO2020231206A1
WO2020231206A1 PCT/KR2020/006367 KR2020006367W WO2020231206A1 WO 2020231206 A1 WO2020231206 A1 WO 2020231206A1 KR 2020006367 W KR2020006367 W KR 2020006367W WO 2020231206 A1 WO2020231206 A1 WO 2020231206A1
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WO
WIPO (PCT)
Prior art keywords
battery
pack
cover
module
battery modules
Prior art date
Application number
PCT/KR2020/006367
Other languages
English (en)
Korean (ko)
Inventor
최여주
이범현
Original Assignee
주식회사 엘지화학
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020200056179A external-priority patent/KR102471939B1/ko
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to AU2020274464A priority Critical patent/AU2020274464A1/en
Priority to US17/255,940 priority patent/US11870091B2/en
Priority to JP2020570786A priority patent/JP7221994B2/ja
Priority to EP20806351.1A priority patent/EP3883008A4/fr
Publication of WO2020231206A1 publication Critical patent/WO2020231206A1/fr

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Classifications

    • 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
    • H01M50/271—Lids or covers for the racks or secondary casings
    • 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
    • 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

Definitions

  • the present invention relates to a battery pack and a power storage device including the same.
  • Secondary batteries with high ease of application by product group and electrical characteristics such as high energy density are not only portable devices, but also electric vehicles (EVs) or hybrid vehicles (HEVs) driven by electric drive sources. It is universally applied.
  • EVs electric vehicles
  • HEVs hybrid vehicles
  • Such a secondary battery is attracting attention as a new energy source for eco-friendly and energy efficiency enhancement in that it does not generate by-products from the use of energy as well as the primary advantage that it can dramatically reduce the use of fossil fuels.
  • a battery pack may be configured by connecting a plurality of battery cells in series.
  • a battery pack may be configured by connecting a plurality of battery cells in parallel according to the charge/discharge capacity required for the battery pack. Accordingly, the number of battery cells included in the battery pack may be variously set according to a required output voltage or charge/discharge capacity.
  • a battery module including at least one battery cell is first configured, and other components are added using at least one battery module. It is common to construct a battery pack or battery rack.
  • a battery pack or a battery rack including at least one battery module may constitute a power storage device including at least one such battery pack or battery rack according to various voltage and capacity requirements.
  • an object of the present invention is to provide a battery pack that is easy to install and transport, and a power storage device including the same.
  • Another object of the present invention is to provide a battery pack and a power storage device including the same, which facilitates replacement of a battery module or management in the future.
  • the present invention provides a battery pack, comprising: a plurality of battery modules including at least one battery cell; And a pack cover having a built-in BMS for managing the plurality of battery modules and integrally covering the plurality of battery modules.
  • the pack cover covers an upper side of the plurality of battery modules, and may be detachably connected to the upper side of the plurality of battery modules.
  • the plurality of battery modules may include the at least one battery cell; And a module case accommodating the at least one battery cell, wherein the module case may be detachably coupled to the pack cover.
  • At least one module connection part connected to the module case may be provided on the pack cover.
  • the module case may be provided with at least one cover connection part connected to the at least one module connection part.
  • the at least one module connection part and the at least one cover connection part may be mutually separable according to user manipulation.
  • the at least one module connection part may be provided on a bottom of the pack cover, and the at least one cover connection part may be provided on an upper side of the module case.
  • the battery pack may include a guide bracket for fixing the plurality of battery modules under the plurality of battery modules.
  • the BMS may operate to individually manage all of the plurality of battery modules or at least one battery module among the plurality of battery modules.
  • the present invention provides a power storage device comprising at least one battery pack according to the above-described embodiments, as a power storage device.
  • FIG. 1 is a view for explaining a battery pack according to an embodiment of the present invention.
  • FIG. 2 is a rear perspective view of the battery pack of FIG. 1.
  • FIG. 3 is an exploded perspective view of the battery pack of FIG. 1.
  • FIG. 4 is a side view of the battery pack of FIG. 1.
  • FIG. 5 is a diagram illustrating connection between battery modules of the battery pack of FIG. 1 and a pack cover.
  • FIG. 6 is a diagram illustrating connection between battery modules and a pack cover according to another exemplary embodiment of the battery pack of FIG. 1.
  • FIG. 7 to 10 are views for explaining a state when the battery pack of FIG. 1 is installed.
  • FIG. 11 is a view for explaining a battery pack according to another embodiment of the present invention.
  • FIG. 12 is an enlarged view of a main part of FIG. 11.
  • FIG. 13 is a view for explaining a support unit according to another embodiment of the battery pack of FIG. 11.
  • FIG. 1 is a view for explaining a battery pack according to an embodiment of the present invention
  • Figure 2 is a rear perspective view of the battery pack of Figure 1
  • Figure 3 is an exploded perspective view of the battery pack of Figure 1
  • Figure 4 is 1 is a side view of the battery pack.
  • the battery pack 10 is an energy source and may be provided in a power storage device or a vehicle.
  • the power storage device may be provided for home or industrial use.
  • the battery pack 10 will be described as being provided as a household power storage device.
  • the battery pack 10 may be provided in at least one or more plurality, and directly or indirectly mutually with other components constituting the power storage device. It can be configured to be connected.
  • the battery pack 10 may be installed inside or outside a building, etc., near a structure such as a wall (W, see FIG. 10 ).
  • the battery pack 10 may include a plurality of battery modules 100 and a pack cover 200.
  • the plurality of battery modules 100 may be integrally connected to a pack cover 200 to be described later.
  • Each of the plurality of battery modules 100 may include a battery cell 110, a module case 130, and a cover connector 150.
  • the battery cell 110 is a secondary battery, and may be provided as a pouch-type secondary battery, a prismatic secondary battery, or a cylindrical secondary battery.
  • the battery cell 110 is a secondary battery, and is limited to a pouch-type secondary battery.
  • the battery cells 110 may be provided in a plurality of at least one or more. Hereinafter, in the present embodiment, the battery cells 110 will be described as being provided in a plurality of battery cell assemblies that are electrically connected to each other.
  • the module case 130 may accommodate the at least one or more plurality of battery cells 110. To this end, an accommodation space capable of accommodating the at least one or more plurality of battery cells 110 may be provided in the module case 130.
  • the module case 130 may be detachably connected to the pack cover 200 to be described later through a cover connector 150 to be described later. This detachable connection structure will be described in more detail in the following related description.
  • the cover connection part 150 is provided in the module case 130 and may be connected to at least one module connection part 250 to be described later. Specifically, the cover connection part 150 is provided on the upper side of the module case 130 and may be provided in plural.
  • the plurality of cover connection parts 150 may be provided at four corners of the upper surface of the module case 130.
  • Each of the plurality of cover connection parts 150 may be provided in a groove shape having a predetermined depth, and may be provided with a screw thread for coupling with a bolt member B to be described later.
  • the pack cover 200 includes a built-in BMS 210 that manages the plurality of battery modules 100 and may integrally cover the plurality of battery modules 100.
  • the pack cover 200 covers the upper sides of the plurality of battery modules 100 and may be detachably connected to the upper sides of the plurality of battery modules 100.
  • the pack cover 200 may include the BMS 210, the handle 230, and the module connection part 250.
  • the BMS 210 is a battery management system and may integrally manage the plurality of battery modules 100.
  • the BMS 210 is embedded in the pack cover 200 and may be electrically connected to the plurality of battery modules 100.
  • the BMS 210 may operate to individually manage all of the plurality of battery modules 100 or at least one battery module 100 of the plurality of battery modules 100.
  • the BMS 210 even when some of the battery modules 100 of the battery pack 10 are separated or separated from the pack cover 200, the pack cover 200 The operation of the battery module 100 combined with) may be controlled.
  • the present invention when an abnormality occurs in at least one of the battery modules 100, even after the battery module 100 in which the abnormality has occurred is separated from the pack cover 200 , The remaining battery module 100 connected to the pack cover 200 may be operated through the BMS 210.
  • the BMS 210 since electricity can be continuously supplied even in such a situation, it is possible to provide urgent electricity necessary for real life such as a home.
  • the handle 230 may be formed on the left and right side and rear surfaces of the pack cover 230.
  • the handle 230 may be integrally formed to have a predetermined space on the left and right side and rear surfaces of the pack cover 230.
  • the handle 230 Through the handle 230, a user or an installer can carry the pack cover 200 more conveniently.
  • the handle 230 is integrally formed on the left and right side and rear surfaces of the pack cover 230, the handle 230 is not exposed from the front of the battery pack 10, so that the battery pack 10 You can improve the aesthetics.
  • the module connection part 250 is formed at the bottom of the pack cover 200 and may be connected to the module case 130 of the plurality of battery modules 100, and specifically, the module case 130 It may be connected to the cover connection portion 150 formed in.
  • the module connection part 250 may be provided in a plurality of at least one or more. Hereinafter, in the present embodiment, a description will be made limited to that the module connection part 250 is provided in plural.
  • the plurality of module connection parts 250 may be provided in a groove shape having a predetermined size, and may be provided at the bottom of the pack cover 200. Specifically, the plurality of module connection parts 250 may be provided at four corners of the bottom of the pack cover 200 and may be provided at positions corresponding to the plurality of cover connection parts 150.
  • Each of the plurality of module connection parts 250 may be detachably connected through the plurality of cover connection parts 150 and a bolt member B.
  • the plurality of module connection parts 250 and the plurality of cover connection parts 150 may be provided to be separated from each other according to user manipulation by a user or an installer.
  • the user operation may be a mutual mounting operation through connection of the bolt member (B) and a detachment operation through disconnection of the bolt member (B).
  • FIG. 5 is a diagram illustrating connection between battery modules of the battery pack of FIG. 1 and a pack cover.
  • the user or the like may mutually couple the plurality of battery modules 100 and the pack cover 200 according to a user manipulation through the plurality of bolt members B.
  • the user, etc. after passing the bolt member (B) through the module connection portion 250 of the pack cover 200 and fastened to the cover connection portion 150 of the plurality of battery modules 100 ,
  • the plurality of battery modules 100 and the pack cover 200 may be coupled to each other.
  • the user or the like may separate the plurality of battery modules 100 and the pack cover 200 from each other through manipulation of the bolt members B, if necessary.
  • the user or the like may separate the bolt members B coupled to the battery module 100 to be separated from the cover connection part 150 and the module connection part 250 according to a user operation,
  • the battery module 100 in which the bolt members B are separated may be separated from the pack cover 200.
  • the user or the like may selectively separate all or part of the battery modules 100 from the pack cover 200.
  • FIG. 6 is a diagram illustrating connection between battery modules and a pack cover according to another exemplary embodiment of the battery pack of FIG. 1.
  • the cover connection portions 155 of the plurality of battery modules 100 are provided in a protrusion shape protruding to a predetermined height, and may be provided in the module case 130 so as to be able to slide in the vertical direction. I can.
  • the cover connection parts 155 may be mounted on the module connection parts 255 of the pack cover 200, and the module connection parts 255 are upwardly moved through a vertical sliding motion according to a user manipulation. It may protrude or move to the lower side of the module connection part 250.
  • the cover connection parts 155 may be elastically mounted in the module case 130 for the vertical sliding operation.
  • the cover connecting portions 155 may be provided with an elastic member for guiding an elastic operation for the sliding operation, and a stopper for limiting movement of the cover connecting portions 155 after the sliding operation.
  • the battery modules 100 When the cover connection parts 155 protrude upward from the module connection parts 255, specifically, the module connection parts 255 while the cover connection parts 155 pass through the module connection parts 255 ) When protruding from the upper side, the battery modules 100 may be disposed in a coupled state with the pack cover 200.
  • the user wants to separate the battery module 100 from the pack cover 200, the user presses the protruding cover connecting portions 155 of the battery module 100 to be separated to be lowered. By sliding operation, the module connection part 255 can be moved downward.
  • the pack cover 200 According to the sliding movement of the cover connection parts 155 in the downward direction according to the user's pressure, when the cover connection parts 155 move to the lower side of the module connection parts 255, the pack cover 200 The combined state of the battery module 100 to be separated from the battery module 100 may be released. Thereafter, the user may more conveniently remove the battery module 100 to be separated from the pack cover 200.
  • the cover connection portion 155 of the plurality of battery modules 100 and the module connection portions 255 of the pack cover 200 without separate bolt members (B) Since the can be connected detachably to each other, the manufacturing cost can be further reduced and the user operation efficiency can be further increased.
  • FIG. 7 to 10 are views for explaining a state when the battery pack of FIG. 1 is installed.
  • a user when installing the battery pack 10 (refer to FIG. 1 ), a user, such as an installer or a carrier, may first place any one battery module 100 at an installation location to be installed. have. In this case, the user or the like may mount one of the battery modules 100 close to the wall W of the installation place for more stable mounting of the battery pack 10.
  • the user or the like may place another battery module 100 in front of the battery module 100 seated near the wall W.
  • a plurality of battery modules 100 may be provided, and each may be separately transported and seated at the installation site. Accordingly, in the present embodiment, it is possible to reduce the weight of the battery module 100 when transporting, so that the transport of the battery modules 100 can be performed more efficiently.
  • the user or the like may mount the pack cover 200 on the upper side of the battery modules 100.
  • the user or the like can more easily carry the pack cover 200 through the handle 230.
  • the user or the like may arrange the pack cover 200 on the upper side of the plurality of battery modules 100. Thereafter, the user, etc., after passing the plurality of bolt members (B) through the module connection portion 250 of the pack cover 200, respectively, and the cover connection portion of the plurality of battery modules 100 Can be fastened to 150.
  • the plurality of battery modules 100 of the battery pack 10 and the pack cover 200 may be coupled to each other according to the fastening through the bolt members B.
  • a user or the like may separate all or part of the plurality of battery modules 100 from the pack cover 200 through disconnection of the bolt members B.
  • the bolt member B fastened to the battery module 100 requiring replacement
  • replacement of only the battery module 100 that needs to be replaced from the pack cover 200 can be easily performed.
  • FIG. 11 is a view for explaining a battery pack according to another embodiment of the present invention
  • FIG. 12 is an enlarged view of a main part of FIG. 11.
  • the battery pack 20 according to the present embodiment is similar to the battery pack 10 of the previous embodiment, redundant descriptions are omitted for configurations that are substantially the same as or similar to the previous embodiment, and hereinafter, Let's focus on the differences.
  • the battery pack 20 may include a plurality of battery modules 100, a pack cover 200, and a support unit 300.
  • the support unit 300 may fix the plurality of battery modules 100 under the plurality of battery modules 100.
  • the support unit 300 may prevent the battery modules 100 from being displaced or displaced from the lower side of the plurality of battery modules 100.
  • the support unit 300 may be provided at lower ends of the plurality of battery modules 100. It is not limited thereto, and the position of the support unit 300 is the upper end or the middle of the plurality of battery modules 100 if it is possible to prevent the plurality of battery modules 100 from spreading or displaced. It goes without saying that it may be possible to be provided in the unit.
  • the support unit 300 is limited to being provided at the lower end of the plurality of battery modules 100, and more specifically, the lower end of the plurality of battery modules 100 It will be described by limiting that one is installed.
  • the support unit 300 may include a pair of support members 310, a pair of fixing members 330, and a connection member 350.
  • the pair of support members 310 may be provided in a bar shape having a predetermined length. Each of the pair of support members 310 may be provided under the battery module 100.
  • Each of the pair of fixing members 330 is connected to the pair of support members 310 and may be fixedly mounted to the battery module 100.
  • the pair of fixing members 330 may be provided with a member such as a magnet, and may be attached to the lower end of the battery module 100 or inserted and fixed to the lower end of the battery module 100.
  • connection member 350 may connect the pair of support members 310.
  • the connection member 350 is a hinge pin and may rotate the pair of support members 310 at a predetermined angle.
  • the user or the like may adjust the separation distance between the lower ends of the battery modules 100 facing each other according to the rotation of the pair of support members 310 at a predetermined angle.
  • FIG. 13 is a view for explaining a support unit according to another embodiment of the battery pack of FIG. 11.
  • the support unit 305 according to the present embodiment is similar to the support unit 300 of the previous embodiment, redundant descriptions are omitted for configurations that are substantially the same as or similar to the previous embodiment, and hereinafter, as in the previous embodiment. Let's focus on the differences.
  • the support unit 305 may include a pair of support members 315, a pair of fixing members 330, a connection member 355, and a guide slit 370.
  • Each of the pair of support members 315 may be provided with guide slits 370 to be described later.
  • the connecting member 355 may be mounted through the guide slits 370 of the pair of support members 315 and may be provided to be slidable along the guide slits 370.
  • the guide slit 370 may be provided in each of the support members 315 and may have a plurality of grooves.
  • the connecting member 355 may be mounted on the guide slit 370.
  • connection member 355 may be sequentially caught in the grooves of the guide slits 370. Accordingly, in the present embodiment, when the pair of support members 315 are rotated at a predetermined angle for adjusting the separation distance between the lower ends of the battery modules 100 facing each other, sagging according to the gravity of the connecting member 355, etc. Can be prevented.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

Un bloc-batterie selon un mode de réalisation de la présente invention comprend : une pluralité de modules de batterie comprenant au moins une cellule de batterie; et un couvercle de bloc dans lequel est intégré un BMS pour gérer la pluralité de modules de batterie, et qui recouvre d'un seul tenant la pluralité de modules de batterie.
PCT/KR2020/006367 2019-05-15 2020-05-14 Bloc-batterie et dispositif de stockage d'énergie le comprenant WO2020231206A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2020274464A AU2020274464A1 (en) 2019-05-15 2020-05-14 Battery pack and energy storage system including the same
US17/255,940 US11870091B2 (en) 2019-05-15 2020-05-14 Battery pack and energy storage system including the same
JP2020570786A JP7221994B2 (ja) 2019-05-15 2020-05-14 バッテリーパック及びそれを含む電力貯蔵装置
EP20806351.1A EP3883008A4 (fr) 2019-05-15 2020-05-14 Bloc-batterie et dispositif de stockage d'énergie le comprenant

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20190057160 2019-05-15
KR10-2019-0057160 2019-05-15
KR10-2020-0056179 2020-05-11
KR1020200056179A KR102471939B1 (ko) 2019-05-15 2020-05-11 배터리 팩 및 이를 포함하는 전력 저장 장치

Publications (1)

Publication Number Publication Date
WO2020231206A1 true WO2020231206A1 (fr) 2020-11-19

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PCT/KR2020/006367 WO2020231206A1 (fr) 2019-05-15 2020-05-14 Bloc-batterie et dispositif de stockage d'énergie le comprenant

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WO (1) WO2020231206A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103427062A (zh) * 2012-05-17 2013-12-04 凹凸电子（武汉）有限公司 电池组以及用电设备
KR20140010234A (ko) * 2012-07-16 2014-01-24 에스케이이노베이션 주식회사 전지팩
KR20170084699A (ko) * 2016-01-12 2017-07-20 주식회사 엘지화학 단위모듈들에 대한 안정적인 고정 수단을 구비하고 있는 전지모듈 어셈블리
KR20170142442A (ko) * 2016-06-17 2017-12-28 에스케이이노베이션 주식회사 이차 전지 팩
KR20180044099A (ko) * 2016-10-21 2018-05-02 주식회사 엘지화학 배터리 팩
KR20180050086A (ko) * 2016-11-04 2018-05-14 주식회사 엘지화학 배터리 팩
KR20190057160A (ko) 2010-05-28 2019-05-27 사렙타 쎄러퓨틱스, 인코퍼레이티드 변형된 서브유니트간 결합 및/또는 말단 그룹을 갖는 올리고뉴클레오타이드 유사체
KR20200056179A (ko) 2018-11-14 2020-05-22 주식회사 이그잭스 Rfid 태그 라벨 및 그의 제조 방법

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190057160A (ko) 2010-05-28 2019-05-27 사렙타 쎄러퓨틱스, 인코퍼레이티드 변형된 서브유니트간 결합 및/또는 말단 그룹을 갖는 올리고뉴클레오타이드 유사체
CN103427062A (zh) * 2012-05-17 2013-12-04 凹凸电子（武汉）有限公司 电池组以及用电设备
KR20140010234A (ko) * 2012-07-16 2014-01-24 에스케이이노베이션 주식회사 전지팩
KR20170084699A (ko) * 2016-01-12 2017-07-20 주식회사 엘지화학 단위모듈들에 대한 안정적인 고정 수단을 구비하고 있는 전지모듈 어셈블리
KR20170142442A (ko) * 2016-06-17 2017-12-28 에스케이이노베이션 주식회사 이차 전지 팩
KR20180044099A (ko) * 2016-10-21 2018-05-02 주식회사 엘지화학 배터리 팩
KR20180050086A (ko) * 2016-11-04 2018-05-14 주식회사 엘지화학 배터리 팩
KR20200056179A (ko) 2018-11-14 2020-05-22 주식회사 이그잭스 Rfid 태그 라벨 및 그의 제조 방법

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