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WO2012014348A1 - Module d'accumulateurs et conditionnement d'accumulateurs - Google Patents

Module d'accumulateurs et conditionnement d'accumulateurs Download PDF

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Publication number
WO2012014348A1
WO2012014348A1 PCT/JP2011/001411 JP2011001411W WO2012014348A1 WO 2012014348 A1 WO2012014348 A1 WO 2012014348A1 JP 2011001411 W JP2011001411 W JP 2011001411W WO 2012014348 A1 WO2012014348 A1 WO 2012014348A1
Authority
WO
WIPO (PCT)
Prior art keywords
chamber
battery
battery module
inert fluid
combustible gas
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/JP2011/001411
Other languages
English (en)
Japanese (ja)
Inventor
青木知昌
安井俊介
下司真也
藤川万郷
岸井大輔
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.)
Panasonic Corp
Original Assignee
Panasonic Corp
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 Panasonic Corp filed Critical Panasonic Corp
Publication of WO2012014348A1 publication Critical patent/WO2012014348A1/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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0431—Cells with wound or folded electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/34—Gastight accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/34—Gastight accumulators
    • H01M10/345—Gastight metal hydride accumulators
    • 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
    • H01M50/342—Non-re-sealable arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/10—Temperature sensitive devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/20—Pressure-sensitive devices
    • 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 module and a battery pack used for an electric vehicle or the like, and more particularly, to electrically connect a battery module containing a secondary battery using a non-aqueous electrolyte typified by a lithium ion battery or the like and a plurality of battery modules.
  • the battery pack connected to.
  • non-aqueous secondary batteries in particular lithium ion secondary batteries, have features such as light weight, high electromotive force, and high energy density. Therefore, mobile phones, digital cameras, video cameras, notebooks, etc. As a power source for driving various types of portable electronic devices such as personal computers and mobile communication devices, demand is increasing.
  • This battery module needs to improve safety against abnormal situations such as automobile collision.
  • an inert fluid such as a fire extinguisher is used in order to prevent battery smoke and ignition when abnormal. It is designed to be injected into the unit cell.
  • Patent Document 2 a sealed container containing a fire extinguisher is installed in a chamber containing a battery module, and when the abnormality occurs, the sealed container is destroyed and the fire extinguisher acts on the unit cell. Things are listed.
  • the inert fluid is less likely to act on the unit cell due to the presence of combustible gas generated from the unit cell when an abnormality occurs than in the technique of Patent Document 1, so There is a problem that it is difficult to reduce the risk.
  • the present invention has been made in view of such problems, and provides a battery module that can reduce the risk of firing or firing when an abnormality occurs in a unit cell, and a battery pack in which a plurality of the battery modules are connected. Objective.
  • a battery module includes a plurality of unit cells, a battery storage case having a chamber for storing the plurality of unit cells, and an opening that opens to the battery storage case, and provides an inert fluid when an abnormality occurs in the unit cells.
  • an inert fluid is introduced into the chamber from the fluid inlet, and the combustible gas generated from the unit cell is discharged from the gas outlet.
  • the combustible gas from the unit cell is quickly discharged from the gas discharge port, it is possible to reduce the risk of burning or ignition due to retention of high-temperature combustible gas. Further, since the combustible gas is quickly discharged from the gas discharge port, the inert fluid can be made to act on the unit cell accurately, and as a result, the risk of burning or firing the battery can be reduced.
  • FIG. 3 is a cross-sectional view schematically showing the configuration of a unit cell used in the battery module in Embodiment 1.
  • FIG. It is a figure explaining the outline of the battery module which concerns on Embodiment 1.
  • FIG. 1 is a cross-sectional view schematically showing a configuration of a unit cell used in the battery module in the present embodiment.
  • a unit cell 100 used in the battery module of the present invention for example, a cylindrical lithium ion secondary battery as shown in FIG. 1 can be adopted.
  • This lithium ion secondary battery is provided with a safety valve mechanism that releases gas to the outside of the battery when the pressure in the battery increases due to the occurrence of an abnormality such as an internal short circuit.
  • an abnormality such as an internal short circuit.
  • an electrode group 104 in which a positive electrode 101 and a negative electrode 102 are wound through a separator 103 is housed in a battery case 107 together with a non-aqueous electrolyte.
  • Insulating plates 109 and 110 are arranged above and below the electrode group 104, the positive electrode 101 is joined to the filter 112 via the positive electrode lead 105, and the negative electrode 102 is also connected to the negative electrode terminal via the negative electrode lead 106. Is joined to the bottom.
  • a paste containing a positive electrode active material and a negative electrode active material is applied to the surfaces of the positive electrode and the negative electrode, respectively.
  • the positive electrode active material for example LiMn 2 O 4, LiCoO 2, LiNiO 3 , etc.
  • the negative electrode active material for example, one or more negative electrode active materials used in lithium ion batteries, such as amorphous carbon and graphite carbon, can be used without particular limitation.
  • non-aqueous electrolyte for example, ethylene carbonate, propylene carbonate, butylene carbonate, vinylene carbonate, dimethyl carbonate, diethyl carbonate, ethyl methyl carbonate and the like can be used.
  • the filter 112 is connected to the inner cap 113, and the protrusion of the inner cap 113 is joined to the metal valve plate 114. Further, the valve plate 114 is connected to a terminal plate 108 that also serves as a positive electrode terminal. The terminal plate 108, the valve plate 114, the inner cap 113, and the filter 112 are integrated to seal the opening of the battery case 107 via the gasket 111.
  • valve body 114 When an abnormality such as an internal short circuit occurs in the unit cell 100 and the pressure in the unit cell 100 increases, the valve body 114 swells toward the terminal plate 108 and the inner cap 113 and the valve body 114 are disconnected. The current path is interrupted. When the pressure in the unit cell 100 further increases, the valve body 114 is broken. As a result, the gas generated in the unit cell 100 is discharged to the outside through the through hole 112a of the filter 112, the through hole 113a of the inner cap 113, the tear of the valve body 114, and the opening 108a of the terminal plate 108. Is done.
  • the safety valve mechanism that discharges the gas generated in the unit cell 100 to the outside is not limited to the structure shown in FIG.
  • a configuration in which the valve body is opened away from the valve seat can be employed.
  • FIG. 2 is a diagram for explaining the outline of the battery module 800 according to the present embodiment.
  • the battery module 800 includes a casing-shaped battery housing case 200 made of, for example, polycarbonate resin, and a plurality of unit cells 100 housed in the battery housing case 200.
  • the unit cells 100 are arranged in parallel in one direction indicated by an arrow 171 and are electrically connected to each other, for example, in parallel.
  • Each unit cell 100 is fixed at a restricted position by a rib 211 formed on the bottom 210 of the battery housing case 200.
  • Each unit cell 100 can be held together by a battery holding frame.
  • a fluid introduction port 120 for allowing an inert fluid to be introduced into the battery housing case 200 when a battery abnormality occurs is opened above one wall surface of the battery housing case 200.
  • the fluid introduction port 120 is provided with an introduction valve 121. Normally, the introduction valve 121 is closed, and the inside of the battery housing case 200 is kept sealed. When the inert fluid is ejected from the inert fluid supply means 140 described later, the introduction valve 121 is opened and the inert fluid is supplied into the battery housing case 200.
  • the introduction valve 121 is a destruction valve that is destroyed by, for example, the dynamic pressure of the inert fluid ejected from the inert fluid supply unit 140.
  • a gas discharge port 130 is provided for discharging the combustible gas generated from the battery from the battery housing case 200 when a battery abnormality occurs.
  • the gas discharge port 130 and the fluid introduction port 120 are disposed, for example, at positions facing each other in the horizontal direction.
  • the gas discharge port 130 is provided with a discharge valve 131 similar to the introduction valve 121. Normally, the discharge valve 131 is closed, and the inside of the battery housing case 200 is kept sealed.
  • the inert fluid supply unit 140 is provided in the middle of the tank 141 in which the inert fluid is stored, the guide path 142 that guides the inert fluid stored in the tank 141 to the fluid inlet 120, and the guide path 142.
  • An on-off valve 143 that opens and closes the guide path 142 and an actuator 144 that opens and closes the on-off valve 143 are provided.
  • the inert fluid is an inert gas, liquid, or gel.
  • the inert fluid is not particularly limited.
  • non-reactive gas such as nitrogen, helium, argon, neon, krypton, xenon, carbon dioxide, or combustion reaction such as perfluoroketone is terminated or A fire extinguisher that prevents fire.
  • a solid component such as powder or fine particles in the inert fluid.
  • sodium hydrogen carbonate powder in carbon dioxide When sodium bicarbonate is heated to a high temperature, it absorbs heat, generating carbon dioxide and water vapor, lowering the temperature in the battery housing case 200, keeping it in an inert atmosphere, preventing the occurrence of fire, and terminating the combustion reaction.
  • a pressure sensor 150 that detects the internal pressure of the battery housing case 200 is provided on the ceiling of the battery housing case 200.
  • An inert fluid supply control means 151 is connected to the pressure sensor 150. Based on the detection result of the pressure sensor 150, the inert fluid supply control unit 151 discharges the combustible gas from the gas discharge port 130 when the internal pressure in the battery housing case 200 is higher than a predetermined set pressure.
  • the on-off valve 143 is opened by operating the actuator 144, and an inert fluid is injected from the tank 141 into the battery housing case 200.
  • the battery module 800 having the above configuration will be described.
  • the battery module 800 is mounted on a hybrid vehicle, and an abnormality occurs in the battery module 800 due to, for example, a flammable electrolyte ignited due to a collision of the vehicle.
  • Combustible gas is generated from the battery due to the abnormality of the battery module 800.
  • This combustible gas accumulates in the chamber containing the unit cell, and the pressure in the chamber rises.
  • the pressure in the battery housing case 200 is detected by the pressure sensor 150.
  • the inert fluid supply control means 151 operates the actuator 144 to open the on-off valve 143. Make it.
  • the on-off valve 143 When the on-off valve 143 is opened, an inert fluid flows from the tank 141, the introduction valve 121 is destroyed by the dynamic pressure of the inert fluid, the fluid inlet 120 is opened, and the inert fluid is introduced into the battery housing case 200. . Since the pressure in the battery housing case 200 is detected by the pressure sensor 150, the inert fluid can be made to act automatically and quickly even in an emergency.
  • the inert fluid introduced from one wall surface of the battery housing case 200 in this way the combustible gas generated from the battery is pushed to the other wall surface of the battery housing case 200 as shown by the arrow 172,
  • the exhaust valve 131 of the gas exhaust port 130 is destroyed by the dynamic pressure of the flow, and the combustible gas is exhausted from the gas exhaust port 130.
  • the inert fluid introduced from the gas inlet 120 acts on the unit cell 100 as indicated by an arrow 173. In this manner, the combustible gas is discharged from the gas discharge port 130, and the inert gas is filled in the battery housing case 200 to act on the unit cell 100, so that the combustion or ignition of the battery in the event of an abnormality occurs. Risk can be reduced.
  • the pressure sensor 150 is provided in the battery housing case 200.
  • a battery housing is provided instead of the pressure sensor 150.
  • a temperature sensor for detecting the temperature of the case 200 is provided, and the inert fluid supply control means 151 is based on the detection result of the temperature sensor, and when the temperature in the battery housing case 200 is higher than a predetermined set temperature, the inert fluid Can be injected into the battery housing case 200 to discharge the combustible gas from the gas discharge port 130.
  • a gas sensor for detecting the combustible gas in the battery housing case 200 is provided, and the inert fluid supply control means 151 is provided in the battery housing case 200 based on the detection result of the gas sensor.
  • the pressure sensor 150, the temperature sensor, and the gas sensor may be provided alone or in combination.
  • the pressure sensor 150 that detects the internal pressure of the battery housing case 200 is provided, and when the internal pressure in the battery housing case 200 is higher than a predetermined set pressure, the inert fluid supply control means. 151, the inert fluid is automatically injected into the battery housing case 200.
  • the inert fluid is manually housed in the battery using a fire extinguisher. The case where it injects in case 200 is demonstrated.
  • FIG. 3 is a diagram for explaining an outline of the battery module 800 that uses the fire extinguisher 500 to inject an inert fluid into the battery housing case 200.
  • one end (downstream side) of the extinguishing agent introduction path 122 for introducing the extinguishing agent is connected to the fluid introduction port 120.
  • the other end (upstream side) of the extinguishant introduction path 122 is connected to a nozzle insertion port 123 for inserting the extinguishing agent nozzle 510 of the extinguisher 500.
  • the gas discharge port 130 is connected to one end of a discharge path 132 for discharging the combustible gas, and the other end is provided with an exhaust port 133. In this way, the gas discharge port 130 is provided. Is disposed at an extended position as the exhaust port 133.
  • the nozzle insertion port 123 is provided with identification means for identifying the user of the fire extinguisher 500 between the nozzle insertion port 123 and the exhaust port 133.
  • this identification means is not particularly limited, a means having distinctiveness can be used from color, shape, or a combination thereof. For example, a fluorescent color sticker or an arrow shape indicating the location of the nozzle insertion port 123 is used. Or the like can be used.
  • the operation of the battery module 800 having the above configuration will be described.
  • an abnormality occurs in the battery module 800 due to, for example, a flammable electrolyte ignited due to a collision of an automobile on which the battery module 800 is mounted.
  • Combustible gas is generated from the battery due to the abnormality of the battery module 800.
  • a user of an automobile uses, for example, a fire extinguisher 500 installed in the car in advance, and inserts the fire extinguishing agent nozzle 510 of the fire extinguisher 500 into the nozzle insertion port 123.
  • the user of the fire extinguisher 500 can accurately enter the nozzle insertion port 123 without making a mistake with the exhaust port 133 even in an emergency in which an abnormality occurs in the battery module 800.
  • the fire extinguisher nozzle 510 of the fire extinguisher 500 can be inserted. Thereafter, the fire extinguisher 500 is operated, and the inert fluid is introduced into the battery housing case 200.
  • the combustible gas is pushed toward the gas outlet 130 as indicated by the arrow 172, and the inert fluid acts on the unit cell 100 as indicated by the arrow 173.
  • the combustible gas is discharged from the gas discharge port 130, and the inert gas is filled in the battery housing case 200 to act on the unit cell 100, so that the combustion or ignition of the battery in the event of an abnormality occurs. Risk can be reduced.
  • the identification unit provided in the nozzle insertion port 123 is a unit having identification from color, shape, or a combination thereof, but is not limited to such an embodiment.
  • the base structure of the nozzle insertion port 123 can be fitted to the fire extinguisher nozzle 510, but the base structure of the exhaust port 133 cannot be fitted to the fire extinguisher nozzle 510. It is also possible to distinguish between the nozzle insertion port 123 and the exhaust port 133.
  • the combustible gas is discharged into the battery housing case 200.
  • a dedicated gas for discharging the combustible gas into the battery housing case 200 is used.
  • An exhaust chamber is provided.
  • FIG. 4 is a diagram illustrating an outline of a battery module 800 having a dedicated exhaust chamber 202 for discharging combustible gas.
  • the battery housing case 200 is formed on the partition wall 203 disposed on one end side of the plurality of unit cells 100 (in the present embodiment, the terminal plate 108 side also serving as the positive electrode terminal).
  • the battery chamber 201 is divided into a battery chamber 201 and an exhaust chamber 202 that discharges combustible gas discharged from the open portion 108a of the unit cell 100 accommodated in the battery chamber 201.
  • the open part 108 a of the unit cell 100 communicates with the exhaust chamber 202 through an opening 203 a formed in the partition wall 203.
  • a fluid introduction port 120 is provided on one wall surface of the exhaust chamber 202, and a gas discharge port 130 is provided on the other wall surface.
  • FIG. 5 is an enlarged partial cross-sectional view of the vicinity of one end of the unit cell 100 in which the partition wall 203 is disposed.
  • a sheet-like elastic member 231 such as silicone is bonded to the lower surface of the partition wall 203, and the protruding portion of the terminal plate 108 is inserted into the opening 203 a of the partition wall 203.
  • the elastic member 231 seals between the upper portion of the shoulder 107 a of the battery case 107 and the partition wall 203.
  • the partition wall 203 is a non-breathable partition wall. Therefore, the combustible gas discharged from the open portion 108 a provided on the protruding portion of the terminal plate 108 does not return to the battery chamber 201 again through the partition wall 203.
  • the partition wall 203 does not move the combustible gas discharged into the exhaust chamber 202 to the battery chamber 201, but the inert fluid introduced into the exhaust chamber 202 is movable to the battery chamber 201 via the partition wall 203.
  • the body is desirable.
  • Such a partition wall 203 is configured by, for example, laminating a porous gas separation membrane that does not transmit a combustible gas but transmits an inert fluid.
  • a combustible gas is generated in the exhaust chamber 202 when an abnormality occurs in the battery module 800 due to ignition of the flammable electrolyte and the safety valve mechanism of the unit cell 100 is opened.
  • this combustible gas accumulates in the exhaust chamber 202 and its pressure rises, and the pressure detected by the pressure sensor 150 becomes higher than a predetermined set pressure, the inert fluid supply control means 151 operates the actuator 144.
  • the on-off valve 143 is opened.
  • the partition wall 203 is the wall body described above, the combustible gas discharged into the exhaust chamber 202 does not move to the battery chamber 201, but the inert fluid introduced into the exhaust chamber 202 is indicated by an arrow 173. Thus, it can move to the battery chamber 201 through the partition wall 203. Therefore, the inert fluid can act on the unit cell 100 in which an abnormality has occurred, and as a result, the risk of firing or firing of the battery can be further reduced.
  • the present invention is the battery module 800.
  • a battery pack in which a plurality of the battery modules 800 are combined by at least one of serial connection and parallel connection may be used.
  • only one tank 141 in which an inert fluid is stored is installed in a plurality of battery modules 800, and the tank 141 is connected to each fluid inlet 120 of each battery module 800.
  • the guide path 142 has a branched structure.
  • the occurrence of battery abnormality is a very rare exceptional phenomenon. For this reason, providing a tank 141 for storing an inert fluid for each battery module increases the number of parts and is uneconomical.
  • the unit cell 100 is a lithium ion secondary battery, but the scope of the present invention is not limited to this, and for example, any battery that can be charged, such as a nickel metal hydride battery or a nickel cadmium battery. A battery can be used.
  • the present invention can be used as a battery module that requires high capacity and high voltage, such as a hybrid vehicle or an electric vehicle, and that requires high reliability and safety.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

L'invention concerne un module d'accumulateurs qui présente un risque réduit d'inflammation grâce à l'action rapide et précise d'un fluide inerte sur l'intérieur d'un boîtier de corps d'accumulateurs en présence d'une pile anormale. Le module d'accumulateurs est pourvu d'une pluralité d'accumulateurs (100), d'un boîtier (200) de corps d'accumulateurs comportant une chambre qui contient la pluralité des accumulateurs (100), d'un orifice (120) d'introduction de fluide pour introduire un fluide inerte dans la chambre en présence d'un accumulateur anormal, et d'un orifice (130) d'évacuation de gaz pour évacuer de la chambre le gaz combustible produit par l'accumulateur anormal. Un capteur de pression (150) pour détecter la pression interne est prévu dans le boîtier (200) de corps d'accumulateurs. Des moyens (151) de commande d'apport de fluide inerte introduisent le fluide inerte par l'orifice (120) d'introduction de fluide sur la base du résultat de détection produit par le capteur de pression (150).
PCT/JP2011/001411 2010-07-28 2011-03-10 Module d'accumulateurs et conditionnement d'accumulateurs Ceased WO2012014348A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010169732 2010-07-28
JP2010-169732 2010-07-28

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Publication Number Publication Date
WO2012014348A1 true WO2012014348A1 (fr) 2012-02-02

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JP2014033824A (ja) * 2012-08-09 2014-02-24 Hochiki Corp 電気自動車向け消火システム
JP2014036780A (ja) * 2012-08-20 2014-02-27 Hochiki Corp 電気自動車向け消火システム
JP2014082108A (ja) * 2012-10-17 2014-05-08 Hochiki Corp 蓄電装置
AT13658U1 (de) * 2012-07-27 2014-05-15 Avl List Gmbh Batterie
EP2879202A2 (fr) * 2013-11-27 2015-06-03 The Boeing Company Procédés d'inertage des batteries contenant du lithium et contenants associés
JP2016508771A (ja) * 2013-01-25 2016-03-24 バーケット、ブライアン 火煙封じ込め消火装置
CN106058119A (zh) * 2015-04-17 2016-10-26 三星Sdi株式会社 电池组
JP2017004959A (ja) * 2016-06-24 2017-01-05 ホーチキ株式会社 蓄電装置
JP2019510341A (ja) * 2016-02-25 2019-04-11 ビーワイディー カンパニー リミテッド 単セルバッテリー、バッテリーモジュール、電源バッテリー、および電気自動車
CN109910618A (zh) * 2019-03-28 2019-06-21 重庆长安新能源汽车科技有限公司 一种电池安全管理方法、装置及新能源汽车
US10854866B2 (en) 2019-04-08 2020-12-01 H55 Sa Power supply storage and fire management in electrically-driven aircraft
US20210104798A1 (en) * 2018-12-27 2021-04-08 Contemporary Amperex Technology Co., Limited Battery box
US11063323B2 (en) 2019-01-23 2021-07-13 H55 Sa Battery module for electrically-driven aircraft
US11059386B2 (en) 2018-01-25 2021-07-13 H55 Sa Construction and operation of electric or hybrid aircraft
US11065979B1 (en) 2017-04-05 2021-07-20 H55 Sa Aircraft monitoring system and method for electric or hybrid aircrafts
US11148819B2 (en) 2019-01-23 2021-10-19 H55 Sa Battery module for electrically-driven aircraft
CN113557629A (zh) * 2019-03-13 2021-10-26 雷诺股份公司 用于电池的壳体及用于将灭火流体引入这种壳体中的方法
CN113991226A (zh) * 2021-11-19 2022-01-28 九环储能科技有限公司 组合式储能单体、储能簇及储能装置
CN113991227A (zh) * 2021-11-19 2022-01-28 九环储能科技有限公司 储能单体、储能簇及储能装置
WO2022056722A1 (fr) * 2020-09-16 2022-03-24 华为数字能源技术有限公司 Élément de batterie, bloc-batterie, système et véhicule électrique
US20220161077A1 (en) * 2020-11-24 2022-05-26 Audi Ag Motor vehicle with optimized accessibility for extinguishing a battery fire
CN114883714A (zh) * 2021-02-05 2022-08-09 北京好风光储能技术有限公司 一种大容量电池
CN115411436A (zh) * 2022-08-23 2022-11-29 中国电建集团福建省电力勘测设计院有限公司 一种应用于锂电池柜的冷却消防一体系统
WO2023273568A1 (fr) * 2021-06-30 2023-01-05 中国第一汽车股份有限公司 Ensemble corps de boîtier supérieur, ensemble batterie et véhicule électrique
CN116053698A (zh) * 2023-01-10 2023-05-02 华为数字能源技术有限公司 一种储能系统以及用电装置
US12409756B2 (en) 2017-04-05 2025-09-09 H55 Sa Aircraft monitoring system and method for electric or hybrid aircrafts
WO2025200236A1 (fr) * 2024-03-25 2025-10-02 宁德时代新能源科技股份有限公司 Dispositif de stockage d'énergie

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JP7723878B2 (ja) 2019-03-13 2025-08-15 アンペア エス．ア．エス． バッテリ用ハウジング、およびそのようなハウジングに消火液を導入する方法
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CN109910618A (zh) * 2019-03-28 2019-06-21 重庆长安新能源汽车科技有限公司 一种电池安全管理方法、装置及新能源汽车
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WO2022056722A1 (fr) * 2020-09-16 2022-03-24 华为数字能源技术有限公司 Élément de batterie, bloc-batterie, système et véhicule électrique
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