CN104124402A - Battery pack case for vehicle - Google Patents

Battery pack case for vehicle Download PDF

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Publication number
CN104124402A
CN104124402A CN201410174152.3A CN201410174152A CN104124402A CN 104124402 A CN104124402 A CN 104124402A CN 201410174152 A CN201410174152 A CN 201410174152A CN 104124402 A CN104124402 A CN 104124402A
Authority
CN
China
Prior art keywords
shell
battery pack
sealing device
battery
module assembly
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.)
Granted
Application number
CN201410174152.3A
Other languages
Chinese (zh)
Other versions
CN104124402B (en
Inventor
金成钟
赵在旸
安谆昊
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 Energy Solution
Original Assignee
LG Chemical Co 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/en
Application filed by LG Chemical Co Ltd filed Critical LG Chemical Co Ltd
Publication of CN104124402A publication Critical patent/CN104124402A/en
Application granted granted Critical
Publication of CN104124402B publication Critical patent/CN104124402B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/296Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213Racks, 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/218Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22Mountings; 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
    • H01M50/227Organic material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233Mountings; 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
    • H01M50/24Mountings; 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

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

Abstract

The invention discloses a battery pack case for vehicle; the battery pack case comprises four cell modules electrically connected in series to form a cell module assembly; each cell module comprises a plurality of cylinder secondary cell units; the case comprises the following elements: an upper case provided with a hole formed to expose an electrode rod electrically connected with the cell module assembly; a lower housing with a lower frame and a side frame; electrode terminals arranged to encircle the exposed electrode rod; a case sealing device plugged between the lower housing and the upper housing so as to prevent external fluid to flow in; a terminal sealing device plugged between the electrode terminal and the upper housing so as to prevent fluid entering from an outer side. A path is formed in a zone adjacent to the side frame and on the lower frame; the lower frame is also provided with a cell module assembly supporter having a step portion; a preset height is arranged between the step portion and the lower frame; the battery pack case is stable and economic, and can contain a plurality of secondary cell units.

Description

For the shell of vehicle battery packs
Mutually quoting of related application
The application requires to enjoy the priority of the korean patent application No.10-2013-0047475 submitting on April 29th, 2013 and the korean patent application No.10-2013-0063092 submitting on May 31st, 2013, and their disclosure is included in herein by reference.
Technical field
Present disclosure relates to the shell for battery pack, more specifically, relates to the shell of the vehicle battery packs for having waterproof and discharge structure.
Background technology
In multiple product group, there is applications well and (for example there is good electrical, high-energy-density) secondary cell be not only widely applied to portable equipment, and be widely applied to the motor vehicle (EV) or the hybrid electric vehicle (HEV) that are driven by electric drive source.The main advantage of secondary cell is the use that has greatly reduced fossil fuel, and auxiliary advantage is not generate byproduct in energy uses, thereby has attracted attentiveness as a kind of for the new energy that strengthens environmental friendliness and energy efficient attribute.
Lithium ion battery, lithium polymer battery, nickel-cadmium cell, Ni-MH battery, nickel-zinc cell or analog are widely used as secondary cell at present.Such unit secondary battery cell has the working voltage of about 2.5V to 4.2V.Therefore,, if require higher output voltage, multiple secondary battery cell can be connected in series to configure a battery pack.In addition, the charge/discharge capability requiring according to battery pack, multiple secondary battery cell also can be connected in parallel to configure a battery pack.The number of the secondary battery cell therefore, comprising in battery pack can be as requested output voltage or charge/discharge capability and carry out different settings.
Meanwhile, if multiple secondary battery cell is connected in series or is connected in parallel to configure a battery pack, the secondary battery cell comprising in this battery pack should be electrically connected and mechanical connection securely.Therefore,, for the shell for battery pack, need stable and economic design, to guarantee the firm connection of secondary battery cell.
Summary of the invention
Present disclosure is designed to solve the problem of correlation technique, thereby present disclosure aims to provide the shell for vehicle battery packs.
Aspect of present disclosure, a kind of shell for battery pack is provided, described battery pack is containing battery module assembly, in described battery module assembly, four battery modules are electrically connected with series system, each in described four battery modules has multiple cylindrical shape secondary battery cell (hereinafter, also referred to as " shell "), described shell comprises: above organize shell (upper packcase), have the hole being formed with exposed electrode post, described electrode column is electrically connected to described battery module assembly; Lower group shell (lower pack case), has underframe and body side frame; Electrode terminal, is configured to around exposed electrode column; Shell sealing device, is inserted between described lower group of shell and described upper group of shell, to prevent that external fluid from flowing into; And terminal sealing device, is inserted between described electrode terminal and described upper group of shell, to prevent that fluid from flowing into from outside; Wherein at described underframe place, in the region adjacent with described body side frame, form a passage, also form a battery module assembly strutting piece (hereinafter at described underframe place, also referred to as " strutting piece "), described battery module assembly strutting piece has an end difference apart from described underframe one predetermined altitude.
According to present disclosure embodiment, a discharge portion (drain) can be formed on described strutting piece place, with center and connecting end surface passage (facing channel) through described strutting piece.
According to present disclosure embodiment, two discharge portion can be formed on described strutting piece place, with center and connecting end surface passage through described strutting piece; And described two discharge portion can square crossing.
Preferably, described discharge portion can have a gradient (slant), makes the center the closer to described strutting piece, and described discharge portion becomes higher.
According to present disclosure embodiment, described upper group of shell and described lower group of shell can be made up of polymeric material.Described polymeric material can be Merlon, acrylonitrile-butadiene-styrene resin, or does not wrap the mixture of halogen-containing, Merlon (PC) and acrylonitrile-butadiene-styrene resin (ABS).
According to present disclosure embodiment, described electrode terminal can be made up of brass.
According to present disclosure embodiment, described shell sealing device and described terminal sealing device can be fabricated from a silicon.Now, described shell sealing device and described terminal sealing device can be attached to described upper group of shell and described lower group of shell by means of vibration fusion (vibration fusing).
Aspect of present disclosure, can provide a kind of stable and economical, for the shell of the battery pack that comprises multiple secondary battery cell.
At present disclosure on the other hand, can protect multiple secondary battery cell to avoid the damage of the fluid of introducing from outside.
Aspect present disclosure another, the fluid being present in shell can be directed to a discharge portion, thereby spatially separate with the battery module assembly being included in battery pack.
Brief description of the drawings
Accompanying drawing is exemplified with the preferred embodiment of present disclosure, and together with foregoing disclose content, for the further understanding of the technical spirit to present disclosure is provided.But present disclosure should not be construed as and is limited to accompanying drawing.In the accompanying drawings:
Fig. 1 shows according to the stereogram of the battery pack that comprises shell of present disclosure embodiment.
Fig. 2 shows according to the exploded perspective view of the battery pack that comprises shell of present disclosure embodiment.
Fig. 3 shows according to the battery module assembly in group shell under being arranged on of present disclosure embodiment and the stereogram of inner casing.
Fig. 4 shows according to the stereogram of upper group of shell on group shell under being arranged on of present disclosure embodiment.
Fig. 5 shows the enlarged drawing in the cross section of the battery pack of getting along the line A-A ' of Fig. 1.
Fig. 6 shows the sectional view of the underframe of the battery pack of getting along the line A-A ' of Fig. 1.
Fig. 7 shows according to the plane graph of the lower casing of present disclosure embodiment.
Embodiment
Hereinafter, describe with reference to the accompanying drawings the preferred embodiment of present disclosure in detail.Before describing, should understand, the term that is used in this specification and enclose in claims should not be construed as limited to general sense and dictionary meanings, but should allow inventor suitably to limit the basis of term for the principle of best interpretations, implication and concept based on corresponding with the technical elements of present disclosure are understood.Therefore, description in this paper is only the preferred embodiment for illustrating object, but not is intended to limit the scope of the disclosure, and it is therefore to be understood that under the prerequisite of spirit and scope that does not depart from present disclosure, also can make other equivalents and remodeling.
Fig. 1 shows according to the stereogram of the battery pack 1 that comprises the shell 10,70 (hereinafter, also referred to as " group shell ") for battery pack of present disclosure embodiment.
The battery pack 1 of describing in Fig. 1 is vehicle battery packs 1, and this vehicle battery packs 1 can be mounted to vehicle, hybrid electric vehicle (HEV), motor vehicle (EV) or analog.
Preferably, battery pack 1 can have according to the size of Vehicular battery standard.Therefore, battery pack 1 can entirety have hexagonal shape.
Also preferably, group shell 10,70 also can have according to the size of Vehicular battery standard.But battery pack 1 and group shell 10,70 are not limited to above-mentioned size, their length, width and height can arrange in many ways.
Fig. 2 shows the exploded perspective view that comprises the battery pack 1 of organizing shell 10,70 according to present disclosure embodiment.
In the time being used to vehicle according to the battery pack 1 of present disclosure embodiment, this battery pack 1 can have the working voltage of 12V.In addition can there is, the working voltage of 3V according to the secondary battery cell 62 of present disclosure embodiment.Therefore, four battery modules 60 can be connected in series, to configure a battery module assembly 50.
In addition, battery module assembly 50 and inner casing 30 are comprised between group shell 10 and lower group shell 70, to configure described battery pack 1.
Hereinafter, description is included in to the group shell 10,70 in battery pack 1.
With reference to figure 2, comprise upper group of shell 10 and lower group shell 70 according to the group shell 10,70 of present disclosure embodiment.
Upper group of shell 10 has hole 11, and hole 11 is formed to expose the electrode column 33 that is electrically connected to battery module assembly.The electrode column 33 being exposed by electrode terminal 12 around.According to present disclosure embodiment, electrode terminal 12 is made up of brass.
Lower group shell 70 has underframe 71 and body side frame 72.
According to present disclosure embodiment, shell sealing device 73 is inserted between lower group of shell 70 and upper group of shell 10.
Fig. 3 shows according to the stereogram of the battery module assembly 50 in group shell 70 under being arranged on of present disclosure embodiment and inner casing 30.
According to present disclosure embodiment, terminal sealing device 13 is inserted between electrode terminal 33 and upper group of shell 10.
Fig. 4 shows according to the stereogram of upper group of shell 10 on group shell 70 under being arranged on of present disclosure embodiment.
With reference to figure 4, can find, terminal sealing device 13 is inserted in upper group of shell 10 places around hole 11, electrode column 33 is exposed outwardly.
Fig. 5 is the enlarged drawing in the cross section of the battery pack 1 of getting along the line A-A ' of Fig. 1.
With reference to figure 5, can find according to the cross section of the contact portion of upper group of shell 10 of present disclosure embodiment and lower group shell 70.
At this, shell sealing device 73 works to prevent that external fluid from flowing into battery pack 1.In addition, terminal sealing device 13 works to prevent that external fluid from passing through hole 11 and flowing into battery pack 1.
According to present disclosure embodiment, shell sealing device 73 and terminal sealing device 13 are fabricated from a silicon.But shell sealing device 73 and terminal sealing device 13 are not limited to silicon materials, but can by known in the art, can prevent that any other material that external fluid or moisture (moisture) flow into from making.
According to present disclosure embodiment, shell sealing device 33 and terminal sealing device 13 are attached to upper group of shell 10 and lower group shell 70 by means of vibration fusion.But present disclosure is not limited to this coupling method.
Fig. 6 is the cross-sectional view of the underframe 70 of the battery pack 1 of getting along the line A-A ' of Fig. 1.
With reference to figure 6, there is a passage 74 according to the underframe 71 of present disclosure embodiment, this passage 74 is formed in the region adjacent with body side frame 72.In addition, underframe 71 has battery module assembly strutting piece 75 (hereinafter, being also called " strutting piece "), and this battery module assembly strutting piece 75 has apart from the end difference of underframe 71 1 predetermined altitudes.
Prevent external fluid or moisture penetration according to the group shell of present disclosure embodiment, but the possibility that still exists a small amount of fluid or moisture to flow into.In addition, also exist and be included in the possibility that the electrolyte leakage in secondary battery cell goes out.Therefore, need to, by the moisture existing in shell or fluid collection to a side, make battery module assembly 50 not be subject to the impact of moisture or fluid.
Strutting piece 75 has the end difference of a predetermined altitude, this end difference can direct fluid or moisture be collected into lower part.Therefore the fluid, being present in battery pack 1 is collected in passage 74 places.Passage 74 can be designed to have multiple width, and strutting piece 75 also can be designed to have multiple height.
Fig. 7 shows according to the plane graph of the lower casing 70 of present disclosure embodiment.
Because Fig. 7 is the plane graph of lower casing 70, so described the inner side of lower casing 70, the top of underframe 71 is divided.
According to present disclosure embodiment, strutting piece 75 has discharge portion 76, and this discharge portion 76 is formed through strutting piece 75 center, with connecting end surface passage 74.
Preferably, two discharge portion 76 are formed in strutting piece 75 places, thereby can square crossing to pass strutting piece 75 center 74, two discharge portion 76 of connecting end surface passage.
For example electrolyte of the fluid leaking from battery module assembly 50 can always not flow along the outer surface of battery module assembly 50.For example, for example electrolyte of fluid can be from the flows inside of battery module assembly 50.Therefore, discharge portion 76 can be shaped as the center through strutting piece 75, flows to passage 74 with direct fluid.For this reason, discharge portion 76 can have a gradient, makes the closer to strutting piece 75 center, and discharge portion 76 becomes higher.
According to present disclosure embodiment, upper group of shell 10 and lower group shell 70 are made up of polymeric material.Polymeric material can be Merlon, acrylonitrile-butadiene-styrene resin or not wrap halogen-containing, Merlon (PC) and the mixture of acrylonitrile-butadiene-styrene resin (ABS).
According to present disclosure, likely provide the stable and economic group shell that comprises multiple secondary battery cell.In addition, multiple secondary battery cell can be protected, in order to avoid be subject to the damage of the fluid of introducing from outside.In addition, the fluid that is present in inner side place can be led to a discharge portion, thereby spatially separates with the battery module assembly being included in battery pack.
Describe present disclosure in detail.But, should understand, the description that these are detailed and specific embodiment, although be designated as the preferred embodiment of present disclosure, those of ordinary skill in the art only provide in illustrative mode, because will become the multiple amendment and the remodeling that understand in the spirit and scope of present disclosure from this detailed description.

Claims (11)

1. the shell for battery pack, described battery pack is containing battery module assembly, and in described battery module assembly, four battery modules are electrically connected with series system, each in described four battery modules has multiple cylindrical shape secondary battery cell, and described shell comprises:
Upper group of shell, has the hole being formed with exposed electrode post, and described electrode column is electrically connected to described battery module assembly;
Lower group shell, has underframe and body side frame;
Electrode terminal, is configured to around exposed electrode column;
Shell sealing device, is inserted between described lower group of shell and described upper group of shell, to prevent that external fluid from flowing into; And
Terminal sealing device, is inserted between described electrode terminal and described upper group of shell, to prevent that fluid from flowing into from outside;
Wherein at described underframe place, in the region adjacent with described body side frame, form a passage, also form a battery module assembly strutting piece at described underframe place, described battery module assembly strutting piece has an end difference apart from described underframe one predetermined altitude.
2. the shell for battery pack according to claim 1,
One of them discharge portion is formed on described strutting piece place, with center and connecting end surface passage through described strutting piece.
3. the shell for battery pack according to claim 1,
Wherein two discharge portion are formed on described strutting piece place, with center and connecting end surface passage through described strutting piece; And
Wherein said two discharge portion square crossings.
4. according to the shell for battery pack described in claim 2 or 3,
Wherein said discharge portion has a gradient, makes the center the closer to described strutting piece, and described discharge portion becomes higher.
5. the shell for battery pack according to claim 1,
Wherein said upper group of shell and described lower group of shell are made up of polymeric material.
6. the shell for battery pack according to claim 5,
Wherein said polymeric material is Merlon.
7. the shell for battery pack according to claim 5,
Wherein said polymeric material is acrylonitrile-butadiene-styrene resin.
8. the shell for battery pack according to claim 5,
Wherein said polymeric material is the mixture that does not wrap halogen-containing, Merlon (PC) and acrylonitrile-butadiene-styrene resin (ABS).
9. the shell for battery pack according to claim 1,
Wherein said electrode terminal is made up of brass.
10. the shell for battery pack according to claim 1,
Wherein said shell sealing device and described terminal sealing device are fabricated from a silicon.
11. shells for battery pack according to claim 10,
Wherein said shell sealing device and described terminal sealing device are attached to described upper group of shell and described lower group of shell by means of vibration fusion.
CN201410174152.3A 2013-04-29 2014-04-28 Shell for vehicle battery packs Active CN104124402B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20130047475 2013-04-29
KR10-2013-0047475 2013-04-29
KR1020130063092A KR101520902B1 (en) 2013-04-29 2013-05-31 Case for vehicle's battery pack
KR10-2013-0063092 2013-05-31

Publications (2)

Publication Number Publication Date
CN104124402A true CN104124402A (en) 2014-10-29
CN104124402B CN104124402B (en) 2017-01-04

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CN201420211871.3U Expired - Lifetime CN204067449U (en) 2013-04-29 2014-04-28 For the shell of vehicle battery packs
CN201410174152.3A Active CN104124402B (en) 2013-04-29 2014-04-28 Shell for vehicle battery packs

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Application Number Title Priority Date Filing Date
CN201420211871.3U Expired - Lifetime CN204067449U (en) 2013-04-29 2014-04-28 For the shell of vehicle battery packs

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CN (2) CN204067449U (en)
WO (1) WO2014178569A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108075060A (en) * 2016-11-09 2018-05-25 江森自控科技公司 Battery pack with the housing made of two kinds of materials
CN110720158A (en) * 2018-01-17 2020-01-21 株式会社Lg化学 Multi-layered cylindrical battery module having heat dissipation and chain combustion prevention structure and battery pack including the same
CN110875448A (en) * 2018-08-31 2020-03-10 本田技研工业株式会社 Battery pack for electric vehicle
US11177525B2 (en) 2016-11-09 2021-11-16 Cps Technology Holdings Llc Battery pack
US11322794B2 (en) 2016-11-09 2022-05-03 Cps Technology Holdings Llc Battery pack with gas discharging passage
US11742530B2 (en) 2016-11-09 2023-08-29 Cps Technology Holdings Llc Battery pack with two end plates

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KR102061293B1 (en) * 2015-12-23 2019-12-31 주식회사 엘지화학 Secondary Battery Pack
KR102307299B1 (en) 2017-08-29 2021-09-30 주식회사 엘지화학 Waterproof battery pack and method for manufacturing the same
DE102019103569B4 (en) * 2019-02-13 2023-02-23 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Lead frame for an electric vehicle battery device
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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Cited By (9)

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Publication number Priority date Publication date Assignee Title
CN108075060A (en) * 2016-11-09 2018-05-25 江森自控科技公司 Battery pack with the housing made of two kinds of materials
US11177525B2 (en) 2016-11-09 2021-11-16 Cps Technology Holdings Llc Battery pack
US11322794B2 (en) 2016-11-09 2022-05-03 Cps Technology Holdings Llc Battery pack with gas discharging passage
US11724606B2 (en) 2016-11-09 2023-08-15 Cps Technology Holdings Llc Battery pack
US11742530B2 (en) 2016-11-09 2023-08-29 Cps Technology Holdings Llc Battery pack with two end plates
CN110720158A (en) * 2018-01-17 2020-01-21 株式会社Lg化学 Multi-layered cylindrical battery module having heat dissipation and chain combustion prevention structure and battery pack including the same
CN110720158B (en) * 2018-01-17 2023-01-24 株式会社Lg新能源 Multi-layered battery module and multi-layered battery pack including the same
CN110875448A (en) * 2018-08-31 2020-03-10 本田技研工业株式会社 Battery pack for electric vehicle
CN110875448B (en) * 2018-08-31 2022-04-05 本田技研工业株式会社 Battery pack for electric vehicle

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CN104124402B (en) 2017-01-04
WO2014178569A1 (en) 2014-11-06
CN204067449U (en) 2014-12-31

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