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WO2014178569A1 - Boîtier de bloc-batterie pour véhicule - Google Patents

Boîtier de bloc-batterie pour véhicule Download PDF

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Publication number
WO2014178569A1
WO2014178569A1 PCT/KR2014/003568 KR2014003568W WO2014178569A1 WO 2014178569 A1 WO2014178569 A1 WO 2014178569A1 KR 2014003568 W KR2014003568 W KR 2014003568W WO 2014178569 A1 WO2014178569 A1 WO 2014178569A1
Authority
WO
WIPO (PCT)
Prior art keywords
pack case
battery pack
case
battery
present
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2014/003568
Other languages
English (en)
Korean (ko)
Inventor
김성종
조재양
안순호
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Chem Ltd
Original Assignee
LG Chem Ltd
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 KR1020130063092A external-priority patent/KR101520902B1/ko
Application filed by LG Chem Ltd filed Critical LG Chem Ltd
Priority to JP2015547878A priority Critical patent/JP6066386B2/ja
Priority to US14/421,670 priority patent/US9865845B2/en
Publication of WO2014178569A1 publication Critical patent/WO2014178569A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01M50/233—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
    • 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
    • H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
    • 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
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • 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
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/227—Organic material
    • 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
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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 case, and more particularly to a battery pack case for a vehicle having a waterproof and drainage structure.
  • the secondary battery has high applicationability and high electrical energy characteristics such as high energy density according to the product group, and is not only a portable device but also an electric vehicle (EV) or a hybrid electric vehicle (HEV) driven by an electric driving source. It is applied universally.
  • the secondary battery is attracting attention as a new energy source for improving eco-friendliness and energy efficiency in that not only the primary advantage of drastically reducing the use of fossil fuels is generated but also no by-products of energy use are generated.
  • Types of secondary batteries currently widely used include lithium ion batteries, lithium polymer batteries, nickel cadmium batteries, nickel hydrogen batteries, nickel zinc batteries, and the like.
  • the operating voltage of the unit secondary battery cell is about 2.5V to 4.2V. Therefore, when a higher output voltage is required, a plurality of secondary battery cells may be connected in series to configure a battery pack.
  • the battery pack may be configured by connecting a plurality of secondary battery cells in parallel according to charge and discharge capacity required for the battery pack. Therefore, the number of secondary battery cells included in the battery pack may be variously set according to the required output voltage or charge and discharge capacity.
  • the present invention has been made in view of the prior art as described above, and an object thereof is to provide a pack case included in a battery pack for an automobile.
  • a battery pack case comprising a battery module assembly having four battery modules having a plurality of cylindrical secondary battery cells (hereinafter 'cell') is electrically connected in series, An upper pack case formed with a hole for exposing an electrode post electrically connected to the battery module assembly to the outside; A lower pack case having a lower frame and a side frame; An electrode terminal surrounding the externally exposed electrode post; A case sealing part interposed between the lower pack case and the upper pack case to prevent fluid from being introduced from the outside; And a terminal sealing part interposed between the electrode terminal and the upper pack case to prevent fluid from flowing from the outside, wherein the lower frame has a flow path formed in an area adjacent to the side frame.
  • the battery module assembly support portion (hereinafter referred to as 'support portion') having a step of a predetermined height from a frame is formed.
  • two support passages are formed in the support portion and connect the opposite flow paths passing through the center of the support portion, and the two drain passages vertically intersect.
  • the upper pack case and the lower pack case is made of a polymer material.
  • the polymer material polycarbonate (PolyCarbonate),
  • It may be an acrylonitrile-butadiene-styrene resin or a mixture of an acrylonitrile-butadiene-styrene resin (ABS) and a polycarbonate (PC) free of halogenated elements.
  • ABS acrylonitrile-butadiene-styrene resin
  • PC polycarbonate
  • the electrode terminal is brass.
  • the fluid present therein can be induced in the drainage path to be spatially separated from the battery module assembly included in the battery pack.
  • FIG. 1 is a perspective view illustrating a battery pack including a battery pack case according to an embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of a battery pack including a pack case according to an embodiment of the present invention.
  • Figure 4 is a perspective view showing a state in which the upper pack case is mounted on the lower pack case according to an embodiment of the present invention.
  • FIG. 5 is an enlarged view of a cut surface of the battery pack illustrated in FIG. 1 taken along a line AA ′.
  • FIG. 7 is a plan view of a lower case according to an embodiment of the present invention.
  • FIG. 1 is a perspective view illustrating a battery pack 1 including battery pack cases 10 and 70 (hereinafter, 'pack case') according to an embodiment of the present invention.
  • the battery pack 1 illustrated in FIG. 1 is an automotive battery pack 1 that may be mounted on an automobile, a hybrid vehicle (HEV), an electric vehicle (EV), and the like.
  • HEV hybrid vehicle
  • EV electric vehicle
  • the size of the battery pack 1 is in accordance with the standard of the automotive standard battery. Therefore, the battery pack 1 may have a hexahedron shape as a whole.
  • the pack case 10, 70 may also have a size to comply with the standard of the automotive standard battery.
  • sizes of the battery pack 1 and the pack cases 10 and 70 are not limited to the above examples, and the length of the battery pack 1 and the pack cases 10 and 70 may vary depending on the embodiment.
  • FIG. 2 is an exploded perspective view of a battery pack 1 including pack cases 10 and 70 according to an embodiment of the present invention.
  • the battery pack 1 may have an operating voltage of 12V for an automobile.
  • the secondary battery cell 62 according to an embodiment of the present invention may have an operating voltage of 3V. Therefore, the four battery modules 60 may be connected in series to form the battery module assembly 50.
  • the battery module assembly 50 and the inner case 30 are embedded between the upper pack case 10 and the lower pack case 70 to constitute the battery pack 1.
  • the pack cases 10 and 70 according to an embodiment of the present invention include an upper pack case 10 and a lower pack case 70.
  • the upper pack case 10 is provided with a hole 11 to allow the electrode post 33 electrically connected to the battery module assembly to be exposed to the outside.
  • the externally exposed electrode post 33 is wrapped by the electrode terminal 12.
  • the material of the electrode terminal 12 is brass.
  • the lower pack case 70 has a lower frame 71 and a side frame 72.
  • a case sealing part 73 is interposed between the lower pack case 70 and the upper pack case 10 according to an embodiment of the present invention.
  • FIG 3 is a perspective view showing a state in which the battery module assembly 50 and the inner case 30 are mounted in the lower pack case 70 according to an embodiment of the present invention.
  • the terminal sealing part 13 is interposed between the electrode terminal 33 and the upper pack case 10 according to the exemplary embodiment of the present invention.
  • FIG 4 is a perspective view showing a state in which the upper pack case 10 is mounted on the lower pack case 70 according to an embodiment of the present invention.
  • terminal sealing part 13 is interposed around the hole 11 formed in the upper pack case 10 so that the electrode post 33 can be exposed to the outside.
  • FIG. 5 is an enlarged view of a cut surface of the battery pack 1 shown in FIG. 1 taken along the line AA ′.
  • case sealing part 73 serves to prevent fluid from flowing into the battery pack 1 from the outside.
  • terminal sealing part 13 serves to prevent fluid from flowing into the battery pack 1 from the outside through the hole 11.
  • the case sealing portion 73 and the terminal sealing portion 13 are made of silicon.
  • the case sealing portion 73 and the terminal sealing portion 13 is not limited to such a silicone material, and of course, may be replaced with a variety of known materials that can prevent the flow of fluid or moisture from the outside. .
  • the case sealing part 33 and the terminal sealing part 13 are combined with the upper pack case 10 and the lower pack case 70 through vibration welding.
  • the present invention is not limited by the above coupling method.
  • FIG. 6 is a cross-sectional view of the lower frame 70 obtained by cutting the battery pack 1 shown in FIG. 1 along a line AA ′.
  • the lower frame 71 has a flow path 74 formed in an area adjacent to the side frame 72.
  • the lower frame 71 is formed with a battery module assembly support unit 75 (hereinafter referred to as a support unit) having a step height of a predetermined height from the lower frame 71.
  • the pack case according to an embodiment of the present invention prevents fluid or moisture from penetrating from the outside, but a small amount may enter. Moreover, the electrolyte solution contained in a secondary battery cell may flow out. Therefore, it is necessary to collect the moisture or the fluid present therein to one side so as not to affect the battery module assembly 50.
  • FIG. 7 is a plan view of the lower case 70 according to an embodiment of the present invention.
  • FIG. 7 since it is a plan view of the lower case 70, an inner surface of the lower case 70, that is, an upper surface of the lower frame 71 is illustrated.
  • the support part 75 is provided with a drainage path 76 passing through the center of the support part 75 and connecting the opposing flow path 74.
  • the support part 75 may be formed with two drainage channels 76 connecting the opposite flow paths 74 passing through the center of the support part 75, wherein the two drainage channels 76 are vertical. Can cross.
  • a drainage path 76 passing through the center of the support part 75 may be formed and guided to flow toward the flow path 74.
  • the drainage channel 76 may have an inclination that increases as the center of the support 75 is closer to the center of the support 75.
  • the upper pack case 10 and the lower pack case 70 is made of a polymer material.
  • the polymer material may include polycarbonate, acrylonitrile-butadiene-styrene resin, or polycarbonate (PC) and acrylonitrile-butadiene-styrene resin containing no halogenated elements ( ABS).
  • the present invention it is possible to provide a stable and economical pack case including a plurality of secondary battery cells.
  • the plurality of secondary battery cells can be protected from the fluid flowing from the outside.
  • the fluid present therein may be induced in the drainage path so as to be spatially separated from the battery module assembly included in the battery pack.

Landscapes

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

Abstract

L'invention concerne un boîtier de bloc compris dans un bloc-batterie pour véhicule. Selon la présente invention, le boîtier de bloc stable et économique qui comprend une pluralité d'éléments de batterie secondaires est décrit.
PCT/KR2014/003568 2013-04-29 2014-04-23 Boîtier de bloc-batterie pour véhicule Ceased WO2014178569A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2015547878A JP6066386B2 (ja) 2013-04-29 2014-04-23 自動車用バッテリーパックケース
US14/421,670 US9865845B2 (en) 2013-04-29 2014-04-23 Case for vehicle's battery pack

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2013-0047475 2013-04-29
KR20130047475 2013-04-29
KR10-2013-0063092 2013-05-31
KR1020130063092A KR101520902B1 (ko) 2013-04-29 2013-05-31 자동차용 배터리 팩 케이스

Publications (1)

Publication Number Publication Date
WO2014178569A1 true WO2014178569A1 (fr) 2014-11-06

Family

ID=51769743

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2014/003568 Ceased WO2014178569A1 (fr) 2013-04-29 2014-04-23 Boîtier de bloc-batterie pour véhicule

Country Status (2)

Country Link
CN (2) CN104124402B (fr)
WO (1) WO2014178569A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111564580A (zh) * 2019-02-13 2020-08-21 保时捷股份公司 引线框架、电池设备和制造电池设备的方法
EP3570346B1 (fr) * 2017-08-29 2024-08-21 LG Energy Solution, Ltd. Bloc-batterie ayant une fonction d'étanchéité à l'eau et son procédé de fabrication
EP4449547A4 (fr) * 2021-12-13 2025-12-10 Inventus Power Inc Bloc-batterie

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102061293B1 (ko) * 2015-12-23 2019-12-31 주식회사 엘지화학 이차전지 팩
CN114583369A (zh) 2016-11-09 2022-06-03 Cps 科技控股有限公司 电池包
CN108075062B (zh) 2016-11-09 2021-08-06 Cps科技控股有限公司 具有两个端板的电池包
CN108075060B (zh) * 2016-11-09 2021-04-23 Cps科技控股有限公司 具有由两种材料制成的壳体的电池包
CN108075063B (zh) 2016-11-09 2021-06-29 Cps科技控股有限公司 具有排气通道的电池包
KR102263763B1 (ko) * 2018-01-17 2021-06-09 주식회사 엘지에너지솔루션 방열 및 연쇄발화 방지 구조를 구비한 멀티 레이어 원통형 전지모듈 및 이를 포함하는 전지팩
JP7032269B2 (ja) * 2018-08-31 2022-03-08 本田技研工業株式会社 電動車両のバッテリパック
CN112448094B (zh) 2019-09-04 2022-04-29 东莞新能源科技有限公司 电池模组

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0664360A (ja) * 1992-08-19 1994-03-08 Riso Kagaku Corp 孔版印刷用原紙の製法
JP2007095483A (ja) * 2005-09-28 2007-04-12 Sanyo Electric Co Ltd 電源装置
KR100876277B1 (ko) * 2007-07-31 2008-12-26 삼성에스디아이 주식회사 배터리 팩
JP2011049014A (ja) * 2009-08-26 2011-03-10 Sanyo Electric Co Ltd 防水構造のバッテリパック
JP2011181415A (ja) * 2010-03-02 2011-09-15 Sanyo Electric Co Ltd 安定化回路を備えるバッテリパック
JP2012252924A (ja) * 2011-06-03 2012-12-20 Primearth Ev Energy Co Ltd 組電池の製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0664360A (ja) * 1992-08-19 1994-03-08 Riso Kagaku Corp 孔版印刷用原紙の製法
JP2007095483A (ja) * 2005-09-28 2007-04-12 Sanyo Electric Co Ltd 電源装置
KR100876277B1 (ko) * 2007-07-31 2008-12-26 삼성에스디아이 주식회사 배터리 팩
JP2011049014A (ja) * 2009-08-26 2011-03-10 Sanyo Electric Co Ltd 防水構造のバッテリパック
JP2011181415A (ja) * 2010-03-02 2011-09-15 Sanyo Electric Co Ltd 安定化回路を備えるバッテリパック
JP2012252924A (ja) * 2011-06-03 2012-12-20 Primearth Ev Energy Co Ltd 組電池の製造方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3570346B1 (fr) * 2017-08-29 2024-08-21 LG Energy Solution, Ltd. Bloc-batterie ayant une fonction d'étanchéité à l'eau et son procédé de fabrication
CN111564580A (zh) * 2019-02-13 2020-08-21 保时捷股份公司 引线框架、电池设备和制造电池设备的方法
EP4449547A4 (fr) * 2021-12-13 2025-12-10 Inventus Power Inc Bloc-batterie

Also Published As

Publication number Publication date
CN204067449U (zh) 2014-12-31
CN104124402A (zh) 2014-10-29
CN104124402B (zh) 2017-01-04

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