WO2014178569A1 - Battery pack case for vehicle - Google Patents
Battery pack case for vehicle Download PDFInfo
- 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
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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.
Abstract
Description
Claims (11)
- 다수의 원통형 이차전지 셀(이하 '셀')를 가진 4개의 배터리 모듈이 전기적으로 직렬 연결된 배터리 모듈 집합체를 포함하는 배터리 팩 케이스에 있어서,A battery pack case comprising four battery modules having a plurality of cylindrical secondary battery cells (hereinafter, 'cells') including a battery module assembly electrically connected in series,상기 배터리 모듈 집합체와 전기적으로 연결된 전극 포스트가 외부로 노출 될 수 있도록 하는 구멍이 형성된 상부 팩 케이스;An upper pack case formed with a hole for exposing an electrode post electrically connected to the battery module assembly to the outside;하부 프레임, 측면 프레임을 가진 하부 팩 케이스;A bottom pack case having a bottom frame and side frames;상기 외부로 노출된 전극 포스트를 감싸는 전극 터미널; An electrode terminal surrounding the externally exposed electrode post;상기 하부 팩 케이스 및 상기 상부 팩 케이스 사이에 개재되어 외부로부터 유체가 유입되는 것을 방지하는 케이스 실링부; 및A case sealing part interposed between the lower pack case and the upper pack case to prevent fluid from being introduced from the outside; And상기 전극 터미널 및 상기 상부 팩 케이스 사이에 개재되어 외부로부터 유체가 유입되는 것을 방지하는 터미널 실링부;를 포함하며And a terminal sealing part interposed between the electrode terminal and the upper pack case to prevent fluid from being introduced from the outside.상기 하부 프레임에는, 상기 측면 프레임과 인접한 영역에 유로가 형성되어 있으며, 상기 하부 프레임으로부터 미리 설정된 높이의 단차를 가진 상기 배터리 모듈 집합체 지지부(이하 '지지부')가 형성되어 있는 것을 특징으로 하는 배터리 팩 케이스.In the lower frame, a flow path is formed in an area adjacent to the side frame, and the battery pack assembly support portion (hereinafter referred to as a 'support portion') having a step of a predetermined height from the lower frame is formed. case.
- 제1항에 있어서,The method of claim 1,상기 지지부에는, 상기 지지부의 중심을 지나며 상기 마주보는 유로를 연결하는 배수로가 형성되어 있는 것을 특징으로 하는 배터리 팩 케이스.The support part, characterized in that the battery pack case characterized in that the drain passage for connecting the facing flow path passing through the center of the support.
- 제1항에 있어서,The method of claim 1,상기 지지부에는, 상기 지지부의 중심을 지나며 상기 마주보는 유로를 연결하는 두 개의 배수로가 형성되어 있으며,In the support portion, two drainage passages connecting the opposite flow path passing through the center of the support portion are formed,상기 두 개의 배수로는 수직으로 교차하는 것을 특징으로 하는 배터리 팩 케이스.The battery pack case, characterized in that the two drains cross vertically.
- 제2항 또는 제3항에 있어서,The method according to claim 2 or 3,상기 배수로는, 상기 지지부의 중심에 가까울수록 높아지는 경사를 가진 것을 특징으로 하는 배터리 팩 케이스.The drainage passage, the battery pack case characterized in that it has a slope that increases as the closer to the center of the support.
- 제1항에 있어서,The method of claim 1,상기 상부 팩 케이스 및 상기 하부 팩 케이스는, 고분자 물질로 이루어 진 것을 특징으로 하는 배터리 팩 케이스.The upper pack case and the lower pack case, the battery pack case, characterized in that made of a polymeric material.
- 제5항에 있어서,The method of claim 5,상기 고분자 물질은, 폴리카보네이트(PolyCarbonate)인 것을 특징으로 하는 배터리 팩 케이스.The polymer material is a battery pack case, characterized in that the polycarbonate (PolyCarbonate).
- 제5항에 있어서,The method of claim 5,상기 고분자 물질은, 아크릴로니트릴-부타디엔-스타이렌 수지(Aacrylonitrile-Butadiene-Styrene resin)인 것을 특징으로 하는 배터리 팩 케이스.The polymer material is a battery pack case, characterized in that the acrylonitrile-butadiene-styrene resin (Aacrylonitrile-Butadiene-Styrene resin).
- 제5항에 있어서,The method of claim 5,상기 고분자 물질은, 할로겐족 원소가 포함되지 않은 폴리카보네이트(PC)와 아크릴로니트릴-부타디엔-스타이렌 수지(ABS)의 혼합물인 것을 특징으로 하는 배터리 팩 케이스.The polymer material is a battery pack case, characterized in that the mixture of polycarbonate (PC) and acrylonitrile-butadiene-styrene resin (ABS) that does not contain a halogen group element.
- 제1항에 있어서,The method of claim 1,상기 전극 터미널은, 황동인 것을 특징으로 하는 배터리 팩 케이스.The electrode terminal is a battery pack case, characterized in that the brass.
- 제1항에 있어서,The method of claim 1,상기 케이스 실링부 및 터미널 실링부는, 실리콘 재질인 것을 특징으로 하는 배터리 팩 케이스.The case sealing part and the terminal sealing part, the battery pack case, characterized in that the silicon material.
- 제10항에 있어서,The method of claim 10,상기 케이스 실링부 및 터미널 실링부는, 진동 융착을 통해서 상기 상부 팩 케이스 및 하부 팩 케이스와 결합된 것을 특징으로 하는 배터리 팩 케이스.The case sealing unit and the terminal sealing unit, the battery pack case, characterized in that coupled to the upper pack case and the lower pack case through vibration welding.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015547878A JP6066386B2 (en) | 2013-04-29 | 2014-04-23 | Car battery pack case |
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 |
---|---|---|---|
KR20130047475 | 2013-04-29 | ||
KR10-2013-0047475 | 2013-04-29 | ||
KR10-2013-0063092 | 2013-05-31 | ||
KR1020130063092A KR101520902B1 (en) | 2013-04-29 | 2013-05-31 | Case for vehicle's battery pack |
Publications (1)
Publication Number | Publication Date |
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WO2014178569A1 true WO2014178569A1 (en) | 2014-11-06 |
Family
ID=51769743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2014/003568 WO2014178569A1 (en) | 2013-04-29 | 2014-04-23 | Battery pack case for vehicle |
Country Status (2)
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CN (2) | CN204067449U (en) |
WO (1) | WO2014178569A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111564580A (en) * | 2019-02-13 | 2020-08-21 | 保时捷股份公司 | Lead frame, battery device and method of manufacturing battery device |
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KR102061293B1 (en) * | 2015-12-23 | 2019-12-31 | 주식회사 엘지화학 | Secondary Battery Pack |
CN108075060B (en) * | 2016-11-09 | 2021-04-23 | Cps科技控股有限公司 | Battery pack having a case made of two materials |
CN108075062B (en) | 2016-11-09 | 2021-08-06 | Cps科技控股有限公司 | Battery pack with two end plates |
CN108075061B (en) | 2016-11-09 | 2022-03-08 | Cps科技控股有限公司 | Battery pack |
CN108075063B (en) | 2016-11-09 | 2021-06-29 | Cps科技控股有限公司 | Battery pack with exhaust passage |
KR102307299B1 (en) | 2017-08-29 | 2021-09-30 | 주식회사 엘지화학 | Waterproof battery pack and method for manufacturing the same |
KR102263763B1 (en) * | 2018-01-17 | 2021-06-09 | 주식회사 엘지에너지솔루션 | Mfultilayer cylindrical battery module with heat dissipation and chain ignition prevention structure and Battery Pack including the same |
JP7032269B2 (en) * | 2018-08-31 | 2022-03-08 | 本田技研工業株式会社 | Battery pack for electric vehicles |
CN112448094B (en) | 2019-09-04 | 2022-04-29 | 东莞新能源科技有限公司 | Battery module |
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-
2014
- 2014-04-23 WO PCT/KR2014/003568 patent/WO2014178569A1/en active Application Filing
- 2014-04-28 CN CN201420211871.3U patent/CN204067449U/en not_active Expired - Lifetime
- 2014-04-28 CN CN201410174152.3A patent/CN104124402B/en active Active
Patent Citations (6)
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JPH0664360A (en) * | 1992-08-19 | 1994-03-08 | Riso Kagaku Corp | Manufacture of stencil printing paper |
JP2007095483A (en) * | 2005-09-28 | 2007-04-12 | Sanyo Electric Co Ltd | Power supply device |
KR100876277B1 (en) * | 2007-07-31 | 2008-12-26 | 삼성에스디아이 주식회사 | Battery pack |
JP2011049014A (en) * | 2009-08-26 | 2011-03-10 | Sanyo Electric Co Ltd | Battery pack of waterproof structure |
JP2011181415A (en) * | 2010-03-02 | 2011-09-15 | Sanyo Electric Co Ltd | Battery pack with stabilizing circuit |
JP2012252924A (en) * | 2011-06-03 | 2012-12-20 | Primearth Ev Energy Co Ltd | Manufacturing method of battery pack |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111564580A (en) * | 2019-02-13 | 2020-08-21 | 保时捷股份公司 | Lead frame, battery device and method of manufacturing battery device |
Also Published As
Publication number | Publication date |
---|---|
CN104124402B (en) | 2017-01-04 |
CN104124402A (en) | 2014-10-29 |
CN204067449U (en) | 2014-12-31 |
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