WO2013018305A1 - Bloc de batteries - Google Patents

Bloc de batteries Download PDF

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Publication number
WO2013018305A1
WO2013018305A1 PCT/JP2012/004635 JP2012004635W WO2013018305A1 WO 2013018305 A1 WO2013018305 A1 WO 2013018305A1 JP 2012004635 W JP2012004635 W JP 2012004635W WO 2013018305 A1 WO2013018305 A1 WO 2013018305A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
holder
lid
fixing portion
batteries
Prior art date
Application number
PCT/JP2012/004635
Other languages
English (en)
Japanese (ja)
Inventor
和貴 清水
下司　真也
仰 奥谷
Original Assignee
パナソニック株式会社
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
Application filed by パナソニック株式会社 filed Critical パナソニック株式会社
Publication of WO2013018305A1 publication Critical patent/WO2013018305A1/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
    • H01M50/204—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
    • H01M50/30—Arrangements for facilitating escape of gases
    • H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
    • H01M50/367—Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems
    • 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 block including a plurality of batteries that does not affect other batteries even if a problem such as heat generation occurs in the batteries.
  • lithium ion secondary batteries are characterized by high electromotive force and high energy density while being lightweight. For this reason, there is an increasing demand for power sources for driving various types of portable electronic devices such as mobile phones, digital cameras, video cameras, laptop computers, and mobile communication devices.
  • This battery pack is configured by mounting a plurality of battery modules including one or more batteries in order to obtain a desired voltage and capacity.
  • an assembled battery composed of a plurality of batteries
  • a configuration is disclosed in which wiring for detecting connection between each battery and voltage or temperature is connected by a pattern wiring formed on a printed circuit board (for example, a patent). Reference 1).
  • a power supply device battery pack in which a plurality of power supply modules are housed in a holder case and connected via an end plate is disclosed (for example, see Patent Document 2).
  • the battery itself may generate heat and become high temperature depending on the form of use. Therefore, not only the safety of the battery itself but also the safety of the battery module in which they are assembled is more important.
  • the battery causes an increase in internal pressure due to gas generated by overcharge, overdischarge, internal short circuit or external short circuit, and in some cases, the battery outer case may burst. Therefore, in general, the battery is provided with a safety valve for degassing to release the internal gas. At this time, since the exhausted gas is present around the abnormally overheated battery, smoke may be generated, and there is a problem in reliability and safety.
  • a power supply device configured to discharge is disclosed (for example, see Patent Document 3).
  • the battery module shown in Patent Document 3 is provided with an opening on the partition wall of the case so as to face the safety valve of the battery, and the ejected gas is discharged outside without filling the battery chamber.
  • a circuit board built in a resin is disclosed, there is no disclosure or suggestion of a connection method with a battery or the like. Therefore, when the surface of the battery on the side of the safety valve is connected with the connection terminal, it is unclear how to maintain the airtightness with the partition wall. In addition, it is difficult to align the safety valve of the battery and the open portion of the partition wall, and there is a problem that if the positioning is performed by the recess, a space is generated between the batteries and the size cannot be reduced. Further, since the battery and the circuit board are fixed and built in with resin, there is a problem in miniaturization of the battery module.
  • the applicant of the present application has disclosed a configuration of a battery module capable of minimizing the influence on the surrounding battery due to abnormal heat generation of the defective battery, as disclosed in Japanese Patent Application No. 2010-550963 (PCT). / JP2010 / 004485).
  • the battery 1100 has an open part 1120 that discharges gas generated in the battery to the outside of the battery at the electrode part 1110 (positive terminal) of the battery 1100, and the housing 1060 is attached to the battery case around the electrode part 1120 of the battery 1100.
  • the wiring board 1030 arranged in contact with the wiring board 1030 is divided into a housing part that houses the plurality of batteries 1100 and an exhaust chamber 1040 that exhausts the gas discharged from the open part 1120 of the electrode part 1120 to the outside of the housing 1060. ing.
  • the electrode portion 1110 of the battery 1100 is connected to a connection body 1060 formed on the wiring substrate 1030, and the open portion 1120 of the electrode portion 1110 is connected to the exhaust chamber 1040 through the through hole 1050 formed in the wiring substrate 1030. Communicate.
  • the wiring substrate 1030 is brought into contact with the battery case around the electrode portion 1016 of the battery 1100, and the open portion 1120 of the electrode portion 1110 is exhausted through the through hole 1050 formed in the wiring substrate 1030.
  • the discharge space of the gas ejected by opening the safety valve of the battery 1100 can be limited within the through hole 1050.
  • the gas discharged from the opening portion 1120 of the electrode portion 1110 is discharged to the exhaust chamber 1040 through the through hole 1050 and further to the outside of the housing 1060, so that the gas to the adjacent battery 1100 is discharged. Can be prevented from entering.
  • the wiring board 1030 can significantly reduce the space required for routing power supply wiring and control wiring. As a result, it is possible to realize a battery module 1000 that is as thin and small as the battery 1100 and has high safety.
  • the present invention has been made in view of such a problem, and the main object of the present invention is to minimize the influence on the surrounding batteries due to abnormal heat generation of the defective battery, and to efficiently remove a plurality of batteries.
  • the object is to provide a small and thin battery block that can be cooled.
  • the battery block according to the present invention is a battery block in which a plurality of batteries are arranged and accommodated in a holder, and the battery has an open part for discharging gas generated in the battery to the outside of the battery
  • the holder has a cylindrical accommodating portion for accommodating a plurality of batteries, a flat plate is disposed in contact with the battery, and is discharged from an open portion of the battery between the flat plate and the flat plate.
  • a lid that forms an exhaust chamber into which gas flows is disposed, the open portion of the battery communicates with the exhaust chamber, and the lid has a fixed portion that extends in the axial direction. The fixed portion is fixed to the holder in contact with at least a part of the side wall of the holder.
  • the battery block of the present invention it is possible to minimize the influence on the surrounding battery due to abnormal heat generation of the defective battery, and it is possible to efficiently cool a plurality of batteries. As a result, a safe and stable small and thin battery block can be realized.
  • FIG. 5 is a cross-sectional view showing a configuration of a battery block according to an embodiment of the present invention, where (a) is a cross-sectional view taken along line VV in FIG. 4, and (b) is an enlarged view of a portion 5B in (a). It is. It is a disassembled perspective view of the battery block in other embodiment of this invention.
  • FIG. 1 is a perspective view of the battery block in other embodiments of the present invention. It is a perspective view of the holder in other embodiments of the present invention. It is a perspective view of the lid in other embodiments of the present invention. It is a disassembled perspective view of the battery block in other embodiment of this invention. It is a perspective view of the battery block in other embodiments of the present invention.
  • (A) is a perspective view of the battery block disclosed in the application specification of Japanese Patent Application No. 2010-550963 (PCT / JP2010 / 004485)
  • (b) is a cross-sectional view taken along line 10B-10B in (a)
  • (C) is an enlarged view of 10C part of (b).
  • FIG. 1 is a cross-sectional view showing a configuration of a battery 100 used in a battery block according to an embodiment of the present invention.
  • the battery 100 used in the battery block of the present invention may be a battery that can be used alone as a power source for portable electronic devices such as notebook computers.
  • a high-performance general-purpose battery can be used as the battery of the battery block, it is possible to easily improve the performance and cost of the battery block.
  • the “battery block” means an assembly in which a plurality of batteries are arranged and accommodated in a holder, and is not distinguished from a battery module or the like. Therefore, the “battery block” in the present invention may be used in any form, such as one that is provided with external electrode terminals and used alone, or one that collects a plurality of battery blocks and uses them as a battery pack.
  • a cylindrical lithium ion secondary battery as shown in FIG. 1 can be used as the battery 100 used in the battery block of the present invention.
  • This lithium ion secondary battery has a normal configuration, and includes a safety mechanism that releases gas to the outside of the battery when the pressure in the battery increases due to an internal short circuit or the like.
  • the battery 100 used for the battery block of this invention is not limited to the following embodiment.
  • an electrode group 4 in which a positive electrode 1 and a negative electrode 2 are wound through a separator 3 is housed in a battery case 7 together with a non-aqueous electrolyte (not shown). Insulating plates 9, 10 are arranged above and below the electrode group 4, the positive electrode 1 is joined to the filter 12 via the positive electrode lead 5, and the negative electrode 2 is connected to the negative electrode terminal 6 via the negative electrode lead 6. Is joined to the bottom.
  • the filter 12 is connected to an inner cap 13, and the protrusion of the inner cap 13 is joined to a metal valve body 14. Furthermore, the valve body 14 is connected to a terminal plate (electrode part) 8 that also serves as a positive electrode terminal. And the terminal board 8, the valve body 14, the inner cap 13, and the filter 12 are united, and the opening part of the battery case 7 is sealed through the gasket 11.
  • valve body 14 When an internal short circuit occurs in the battery 100 and the pressure in the battery 100 increases, the valve body 14 swells toward the terminal plate 8, and when the inner cap 13 and the valve body 14 are disconnected, the current path is interrupted. Is done. When the pressure in the battery 100 further increases, the valve body 14 is broken. Thereby, the gas generated in the battery 100 passes through the through hole 12a of the filter 12, the through hole 13a of the inner cap 13, the tear of the valve body 14, and the open part 8a of the terminal plate (electrode part) 8. It is discharged outside.
  • the safety mechanism for discharging the gas generated in the battery 100 to the outside is not limited to the structure shown in FIG.
  • FIG. 2 is an exploded perspective view of a battery assembly constituting a part of the battery block in one embodiment of the present invention.
  • a plurality of batteries 100 are arranged in a staggered manner, and each battery 100 is individually housed in a housing portion 20 a of a hollow cylindrical pipe holder 20.
  • the plurality of pipe holders 20 are assembled and fixed to each other to constitute a holder for accommodating the battery 100.
  • a plurality of grooves 21 extending in the axial direction are formed on the side wall of the holder formed by assembling the pipe holder 20.
  • the side wall of the holder has a curved side surface extending in the axial direction along the side surface of the battery 100, and the side wall of the holder has the side wall of the adjacent battery 100.
  • a plurality of groove portions 21 are formed in a portion corresponding to the boundary.
  • the inner peripheral surface of the pipe holder 20 has substantially the same shape as the outer peripheral surface of the battery 100, and the outer peripheral surface of the battery 100 accommodated in the accommodating portion 20a of the pipe holder 20 is in contact with the inner peripheral surface of the accommodating portion 20a. Preferably it is.
  • the pipe holder 20 is comprised with material with high heat conductivity, such as aluminum, the heat_generation
  • a positive electrode plate 31 is disposed on one end (on the positive electrode terminal 8 side) of the battery 100 via an insulating spacer 30.
  • the positive electrode plate 31 electrically connects the positive electrode terminals 8 of the respective batteries 100 in parallel, and is constituted by, for example, a positive electrode bus bar or a wiring board.
  • a negative electrode plate 41 is disposed on the other end (negative electrode terminal side) of the battery 100 via an insulating spacer 40.
  • the negative electrode plate 41 electrically connects the negative electrode terminals (battery cases) of the batteries 100 in parallel.
  • FIG. 3 is an exploded perspective view of the battery block 200
  • FIG. 4 is a perspective view of the battery block 200.
  • a lid 50 is disposed above the battery assembly shown in FIG. 2, and a plurality of fixing portions 51 extending in the axial direction are formed on the side wall of the lid 50.
  • the lid 50 is fixed to the holder 20 with the fixing portion 51 coming into contact with at least a part of the side wall of the holder 20.
  • the fixing portion 51 may be formed as a separate part and may be welded and bonded to the lid 50, or the fixing portion 51 and the lid 50 may be formed by integral molding.
  • the shape, material, and the like of the fixing portion 51 are not particularly limited.
  • the fixing portion 51 is preferably formed of a cylindrical member and has a shape that matches the shape of the groove portion 21. Thereby, the fixing
  • FIG. In order to fix the lid 50 to the holder 20, in addition to the method of press-fitting the fixing portion 51 into the groove portion 21, for example, the method of press-fitting the fixing portion 51 into the groove portion 21, or the fixing portion 51 to the groove portion 21. A method of bonding or welding can be used.
  • FIG. 5 is a cross-sectional view showing the configuration of the battery block 200 in the present embodiment.
  • FIG. 5A is a cross-sectional view taken along the line VV in FIG. 4, and
  • FIG. 5B is an enlarged view of a part 5B.
  • a plurality of batteries 100 are arranged and accommodated in the holder 20, and the battery 100 has an electrode portion (positive electrode terminal) of the battery 100 as shown in FIG. 5 (b). 8 has an opening 8 a that discharges the gas generated in the battery 100 to the outside of the battery 100.
  • a spacer 30 and a positive electrode plate 31 are disposed at one end in the axial direction of the holder 20 in contact with one end on the electrode unit 8 side of the battery 100, and a lid 50 is disposed above the positive electrode plate 31. Between the lid 50 and the positive electrode plate 31, an exhaust chamber 60 into which gas discharged from the open portion 8 a of the electrode portion 8 flows is formed.
  • the open portion 8 a of the electrode portion 8 communicates with the exhaust chamber 60 through the through hole 33 formed in the spacer 30 and the positive electrode plate 31, and the gas discharged from the open portion 8 a of the electrode portion 8. Is discharged to the exhaust chamber 60 and further discharged to the outside from the opening 50 a formed in the lid 50.
  • the accommodating portion 20a is hermetically sealed by the spacer 30 and the positive electrode plate 31. For this reason, the gas discharged from the open portion 8a of the battery 100 into the exhaust chamber 60 does not return to the housing portion 20a again.
  • the lid 50 and the fixing portion 51 are made of a material having high thermal conductivity, for example, a metal such as aluminum, the heat radiated from the battery 100 to the holder 20 is passed through the fixing portion 51.
  • the lid 50 can be dissipated. Thereby, the some battery 100 which comprises the battery block 200 can be cooled efficiently.
  • the groove portion 20 into which the fixing portion 51 is fitted is in a dead space generated when a plurality of batteries 100 are arranged, even if the fixing portion 51 is fitted in the groove portion 20, the battery block 200 is substantially The typical volume is almost unchanged. Therefore, the lid 50 can be fixed to the holder 20 without reducing the energy density of the battery block 200. In order to suppress a decrease in energy density, it is preferable that the diameter of the fixed portion 51 is set to be approximately the same as the depth of the groove portion 20.
  • the fixing portion 51 does not need to be fitted into all the groove portions 20 formed on the side wall of the holder 20, and the position and the number of fitting portions are determined appropriately according to the required fixing strength, etc. 50 may be installed.
  • FIG. 6 and 7 are diagrams showing a configuration of a battery module 210 according to another embodiment of the present invention.
  • FIG. 6 is an exploded perspective view of the battery module 210.
  • FIG. 7 is a perspective view of the battery module 210. .
  • the battery module 210 in the present embodiment is obtained by connecting two battery blocks 200A and 200B, and includes a lid 50 common to the two battery blocks 200A and 200B. Then, as shown in FIG. 7, the lid 50 applies the plurality of fixing portions 51 formed on the side walls of the lid 50 to at least a part of the side walls of the holders 20A and 20B of the battery blocks 200A and 200B. In contact therewith, the holders 20A and 20B are fixed.
  • the fixing portion 51 is formed of a cylindrical member, the shape matches the shape of the groove portion 21, and the fixing portion 51 can be fitted more closely to the groove portion 21.
  • a common exhaust chamber 60 can be formed in the lid 50 for each of the battery blocks 200A and 200B, and thereby abnormal heat generated in the battery 100 in the battery block 200A or 200B. Can minimize the influence on the battery 100 in the adjacent battery block 200B.
  • the connection between the battery blocks 200A and 200B can be further strengthened.
  • the lid 50 and the fixing portion 51 are made of a material having high thermal conductivity, for example, a metal such as aluminum, the heat radiated from the battery 100 to the holder 20 is further passed through the fixing portion 51.
  • the lid 50 can be radiated.
  • the some battery 100 which comprises the battery module 210 can be cooled efficiently.
  • a safe and stable small and thin battery module 210 can be realized.
  • the batteries housed in the battery blocks 200A and 200B can be made uniform in temperature by the heat conduction of the common lid 50, so that variations in battery characteristics can be suppressed.
  • the holder that accommodates the plurality of batteries 100 is configured by assembling the plurality of pipe holders 20, but as shown in FIG. You may comprise with the block which has 20a.
  • the side wall of the holder 20 has a curved side surface 20 b extending in the axial direction along the side surface of the battery 100.
  • a plurality of groove portions 21 are formed on the side wall of the holder 20 at portions corresponding to the boundaries between the adjacent batteries 100.
  • fixed part 51 formed in the side wall of the cover body 50 was extended and formed in the axial direction at the holder 20
  • fixed part 51a extended to the holder 20 side is shown in FIG.
  • the lid 50 having such fixing parts 51a and 51b is used, the battery blocks 200 are stacked in the axial direction, the lower battery block 200 is fixed by the fixing part 51a, and the upper battery block 200 is fixed by the fixing part 51b.
  • the battery blocks 200 that have been stacked can be easily connected by fixing with.
  • FIG. 10 is an exploded perspective view of a battery block 220 according to another embodiment of the present invention
  • FIG. 11 is a perspective view of the battery block 220 according to another embodiment of the present invention.
  • the side wall of the holder 20 has a curved side surface 22 extending in the axial direction along the side surface of the battery, and the fixing portion 52 formed on the side wall of the lid body 50
  • the plate member is formed continuously along the curved side surface 22.
  • the lid 50 is fixed to the holder 20 by the fixing portion 52 being fitted to the curved side surface 22 of the holder 20.
  • the fixing portion 52 is brought into closer contact with the groove portion 21. Can be fitted.
  • the fixing portion 52 is integrally formed so as to form the side wall of the lid 50, the lid 50 can be easily fixed to the holder 20.
  • the exhaust chamber 60 formed in the cover body 50 was divided by the spacer 30 and the positive electrode plate 31, as shown to Fig.5 (a), it is not limited to this, Battery 100 May be defined by a flat plate disposed in contact with one end of the electrode portion.
  • the flat plate may be in any form as long as the accommodating portion 20a is hermetically sealed.
  • the side wall of the lid 50 is a peripheral portion of the flat plate.
  • the open portion 8a is formed in the electrode portion 8, but is not limited thereto, and may be formed in a part of the battery case, for example.
  • the “flat plate” in the present invention is not necessarily limited to a flat plate, and may be a flat plate as a whole even if there are irregularities according to the shape of the battery case 7, for example.
  • the flat plate may be configured as a wiring board.
  • the “sealed state” in the present invention does not necessarily mean a completely sealed state, but also includes a sealed state in which a gas that does not have an influence returns from the exhaust chamber 60 to the housing portion 20a.
  • the battery 100 is a lithium ion secondary battery, but other secondary batteries (for example, nickel metal hydride batteries) may be used.
  • the plurality of batteries 100 are arranged in a staggered manner, but other arrangements may be used.
  • the battery block which accommodated one battery in the holder may be sufficient.
  • the holder has a cylindrical accommodating portion that accommodates one battery
  • the holder is formed with a groove portion extending in the axial direction
  • the lid body is formed with a fixing portion extending in the axial direction.
  • the body is fixed to the holder with the fixing portion fitted into the groove portion.
  • the groove may be formed in the corner of the holder along the axial direction if the housing is cylindrical and the holder is prismatic.
  • the present invention is useful as a power source for driving automobiles, electric motorcycles, electric playground equipment and the like.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

L'invention concerne un bloc de batteries, comprenant des batteries en réseau (100) qui sont reçues dans des supports (20). Les batteries sont dotées d'ouvertures permettant d'évacuer le gaz qu'elles produisent. Les supports présentent des parties réceptrices tubulaires permettant de recevoir les batteries. Une plaquette plate (30) est agencée au contact des batteries. Un corps couvercle (50) formant, conjointement avec la plaquette plate, une chambre d'évacuation de gaz (60) dans laquelle s'écoule le gaz évacué par les ouvertures des batteries est agencé par-dessus la plaquette plate. Les ouvertures des batteries débouchent dans la chambre d'évacuation de gaz. Des parties de fixation (51) s'étendant dans une direction axiale sont ménagées dans le corps couvercle. Chacune des parties de fixation vient au moins partiellement au contact de la paroi latérale de chacun des supports de manière à fixer le corps couvercle aux supports.
PCT/JP2012/004635 2011-07-29 2012-07-20 Bloc de batteries WO2013018305A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-166480 2011-07-29
JP2011166480 2011-07-29

Publications (1)

Publication Number Publication Date
WO2013018305A1 true WO2013018305A1 (fr) 2013-02-07

Family

ID=47628856

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/004635 WO2013018305A1 (fr) 2011-07-29 2012-07-20 Bloc de batteries

Country Status (1)

Country Link
WO (1) WO2013018305A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9614210B2 (en) 2014-09-30 2017-04-04 Johnson Controls Technology Company Battery module vent system and method
CN112652851A (zh) * 2021-01-18 2021-04-13 中国第一汽车股份有限公司 一种可延缓热失控的电池上箱体总成及电池总成
JP2022529445A (ja) * 2019-04-15 2022-06-22 ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング セルの冷却を容易にする管状スペーサを有する電池モジュール

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001076771A (ja) * 1999-09-03 2001-03-23 Toshiba Battery Co Ltd 車両用電池パック
JP2007265855A (ja) * 2006-03-29 2007-10-11 Sanyo Electric Co Ltd パック電池
JP2010225336A (ja) * 2009-03-21 2010-10-07 Sanyo Electric Co Ltd バッテリパック
WO2011007533A1 (fr) * 2009-07-17 2011-01-20 パナソニック株式会社 Module de batterie et bloc-batterie l'utilisant

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001076771A (ja) * 1999-09-03 2001-03-23 Toshiba Battery Co Ltd 車両用電池パック
JP2007265855A (ja) * 2006-03-29 2007-10-11 Sanyo Electric Co Ltd パック電池
JP2010225336A (ja) * 2009-03-21 2010-10-07 Sanyo Electric Co Ltd バッテリパック
WO2011007533A1 (fr) * 2009-07-17 2011-01-20 パナソニック株式会社 Module de batterie et bloc-batterie l'utilisant

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9614210B2 (en) 2014-09-30 2017-04-04 Johnson Controls Technology Company Battery module vent system and method
JP2022529445A (ja) * 2019-04-15 2022-06-22 ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング セルの冷却を容易にする管状スペーサを有する電池モジュール
JP7329072B2 (ja) 2019-04-15 2023-08-17 ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング セルの冷却を容易にする管状スペーサを有する電池モジュール
CN112652851A (zh) * 2021-01-18 2021-04-13 中国第一汽车股份有限公司 一种可延缓热失控的电池上箱体总成及电池总成
CN112652851B (zh) * 2021-01-18 2022-03-15 中国第一汽车股份有限公司 一种可延缓热失控的电池上箱体总成及电池总成

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