WO2021005812A1 - Structure de dispositif de stockage d'énergie - Google Patents

Structure de dispositif de stockage d'énergie Download PDF

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Publication number
WO2021005812A1
WO2021005812A1 PCT/JP2019/048508 JP2019048508W WO2021005812A1 WO 2021005812 A1 WO2021005812 A1 WO 2021005812A1 JP 2019048508 W JP2019048508 W JP 2019048508W WO 2021005812 A1 WO2021005812 A1 WO 2021005812A1
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Prior art keywords
power storage
storage device
flammable gas
gas
device structure
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PCT/JP2019/048508
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English (en)
Japanese (ja)
Inventor
八木　稔
満 野末
淳 金子
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栗田工業株式会社
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Publication of WO2021005812A1 publication Critical patent/WO2021005812A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/04—Hybrid capacitors
    • H01G11/06—Hybrid capacitors with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/14—Arrangements or processes for adjusting or protecting hybrid or EDL capacitors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/78—Cases; Housings; Encapsulations; Mountings
    • 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
    • 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
    • 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 power storage device structure that encloses a power storage device such as a lithium ion battery, a lithium ion capacitor, and an electric double layer capacitor, and particularly reduces the risk of ignition when the power storage device is damaged or overcharged.
  • a power storage device structure capable of
  • Such a power storage device usually has an upper limit voltage, and is controlled so as not to exceed the upper limit voltage by combining with an appropriate protection circuit. However, if the protection circuit malfunctions and exceeds the upper limit voltage, if charging / discharging is repeated, or if a short circuit occurs due to an external factor, the power storage device falls into an overcharged state, and the electrolytic solution becomes an electrode material or the like. A gas is generated by the reaction, and the generated gas raises the internal pressure. This generated gas may contain flammable gases such as electrolyte methane, carbon monoxide, ethylene, ethane, and propane, and when released to the outside of the power storage device, there is a risk of ignition or explosion. ..
  • power storage devices such as lithium ion capacitors and electric double layer capacitors have been required to have high output and large capacity, and a large current can be generated by a single power storage device or a module configuration in which a plurality of power storage devices are stacked.
  • Opportunities to use it are increasing. For example, in a module in which a plurality of power storage devices are stacked, when one power storage device falls into an overcharged state, a large current is generated because the other power storage devices are still functioning even after the gas is released together with the electrolytic solution. May continue to flow. Therefore, it may be overheated violently due to a short circuit, and the risk of ignition or explosion as described above increases.
  • Patent Document 1 a method of absorbing gas generated inside a lithium ion battery with a flammable gas absorber to prevent the battery from exploding has been proposed.
  • Patent Document 3 a method has also been proposed in which a fire extinguishing agent is placed inside the lithium-ion battery to lower the temperature of the gas released to the outside when the safety valve is opened due to an increase in internal pressure due to the generation of gas inside the battery. Furthermore, by arranging a nonflammable gas, an aqueous solvent, or a porous material in which a nonflammable solvent is adsorbed in the pores and on the surface inside the lithium ion battery, ignition by the gas generated from the lithium ion battery can be ignited. A method for preventing this has also been proposed (Patent Document 4).
  • Patent Documents 1 and 2 since a large amount of gas is instantaneously generated at the time of electrical abnormality or thermal runaway, the method of arranging the gas adsorbent in the power storage device as described in Patent Documents 1 and 2 is limited to the power storage device. There is a problem that the gas adsorption amount and the gas adsorption rate are insufficient for the space, and the gas ejection from the power storage device cannot be suppressed. Further, as described in Patent Documents 3 and 4, a fire extinguishing agent is used to lower the temperature inside the lithium ion battery, and a nonflammable gas, an aqueous solvent or a nonflammable substance is used in the pores and on the surface of the porous material. The method of arranging the material to which the solvent is adsorbed in the power storage device has a problem that if the amount of gas adsorbed is insufficient, the effect is not sufficiently exhibited and the gas ejection cannot be completely suppressed.
  • the present invention has been made in view of the above problems, and is capable of reducing the risk of ignition in the event of an abnormality such as damage or overcharging of a power storage device, particularly a power storage device stack in which a plurality of power storage devices are stacked.
  • the purpose is to provide a structure.
  • the present invention is a power storage device structure including a power storage device and a casing that surrounds the power storage device with a gap, and the power storage is performed in the gap between the power storage device and the casing.
  • a power storage device structure in which a flammable gas absorber having an ability to absorb flammable gas that may be generated from the device is arranged (Invention 1).
  • the power storage device may be short-circuited or the like. Even if flammable gas is ejected from the power storage device and flows out into the space of the casing, the flammable gas absorber quickly absorbs the flammable gas to the combustion concentration of this flammable gas or less, so that it goes out of the casing. The risk of fire spread can be reduced. Moreover, in this case, it is not necessary for the flammable gas to absorb the entire amount, and it is sufficient that the flammable gas has a flammable concentration or less in the space of the casing. can do.
  • the flammable gas that may be generated from the power storage device contains methane, carbon monoxide, ethylene, ethane or propane (Invention 2).
  • the risk of fire spreading to the outside of the casing can be significantly reduced by absorbing these flammable gases with a flammable gas absorber to reduce the combustion concentration to less than or equal to the combustion concentration.
  • the power storage device uses a non-aqueous electrolyte (Invention 3).
  • the non-aqueous electrolyte may generate flammable gas by heating. Therefore, by absorbing this flammable gas with a flammable gas absorbent, the concentration is reduced to a predetermined concentration or less. , The risk of fire spreading to the outside of the casing can be significantly reduced.
  • the flammable gas absorbent is a porous material having a specific surface area of 10 to 3000 m 2 / g (Invention 4).
  • a sufficient contact area between the flammable gas absorber and the flammable gas ejected from the power storage device can be secured, which is suitable for absorbing the flammable gas.
  • the flammable gas absorbent is a porous material having a pore diameter of 0.1 to 10 nm (Invention 5).
  • the flammable gas is quickly reduced to the combustion concentration or less by capturing the flammable gas generated when the power storage device is short-circuited in the pores of the flammable gas absorber.
  • the risk of fire spreading to the outside of the casing can be significantly reduced.
  • the flammable gas absorber is a porous material having an average particle size of 0.1 to 5.0 mm (Invention 6). Further, in (Invention 4 to 6), it is preferable that the flammable gas absorbent is a molded product obtained by processing the powder of the porous material into a sheet shape (Invention 7).
  • this sheet by forming a powdery or granular flammable gas absorber into a sheet, this sheet can be attached to the casing, inserted into a gap, or its installation variation. Can be abundant and can be excellent in handleability.
  • a power storage device stack in which a plurality of power storage devices are stacked is violently overheated and flammable because even if one power storage device falls into an overcharged state, a large current continues to flow because the other power storage devices are functioning. Gas tends to exceed the ignition temperature.
  • the flammable gas absorber absorbs the flammable gas and burns the flammable gas.
  • the flammable gas absorbing material having the ability to absorb flammable gas is arranged in the gap between the power storage device and the casing, the flammable gas is ejected from the power storage device due to a short circuit of the power storage device or the like. Even if it flows out into the space of the casing, the flammable gas absorber absorbs the flammable gas and can be quickly reduced to below the combustion concentration, so the risk of fire spreading outside the casing can be significantly reduced. Can be done.
  • the power storage device structure of the present embodiment includes a power storage device and a casing that encloses the power storage device with a gap, and the gap between the power storage device and the casing is flammable that may be generated from the power storage device. It has a structure in which a flammable gas absorber having a gas absorbing ability is arranged.
  • the power storage device is not particularly limited, and either a primary battery or a secondary battery can be used, but a secondary battery is preferable.
  • the type of this secondary battery is not particularly limited, and for example, a lithium ion battery, a lithium ion polymer battery, a lead livestock battery, a nickel / hydrogen livestock battery, a nickel / cadmium livestock battery, a nickel / iron livestock battery, and a nickel / zinc.
  • a livestock battery, a silver oxide / zinc livestock battery, a metal air battery, a polyvalent cation battery, a capacitor, a capacitor and the like can be used. Among these, those using a non-aqueous electrolyte can be preferably used.
  • a lithium ion battery, a lithium ion polymer battery, a lithium ion capacitor, or the like can be preferably used as a suitable application target of the battery packaging material of the present invention.
  • non-aqueous electrolyte examples include cyclic carbonates such as propylene carbonate (PC) and ethylene carbonate (EC), and chain carbonates such as dimethyl carbonate (DMC), ethyl methyl carbonate (EMC), and diethyl carbonate (DEC).
  • PC propylene carbonate
  • EC ethylene carbonate
  • DMC dimethyl carbonate
  • EMC ethyl methyl carbonate
  • DEC diethyl carbonate
  • a mixed solution of the above can be used.
  • the non-aqueous electrolyte may be one in which a lithium salt such as lithium hexafluorophosphate is dissolved as an electrolyte, if necessary.
  • a mixed solution of ethylene carbonate (EC), ethyl methyl carbonate (EMC) and dimethyl carbonate (DMC) in a ratio of 1: 1: 1, or propylene carbonate (PC), ethylene carbonate (EC), diethyl carbonate (A mixture in which DEC) is mixed at a ratio of 1: 1: 1 to which 1 mol / L lithium hexafluorophosphate is added can be used.
  • the power storage device as described above may be in the form of a power storage device stack in which a plurality of power storage devices are stacked. Even if one power storage device is overcharged, the power storage device stack continues to carry a large current because the other power storage devices are functioning, so that flammable gas is generated due to the non-aqueous electrolyte. It is particularly suitable because it tends to exceed the ignition temperature when it occurs.
  • the casing is not particularly limited as long as it has a gap with respect to the above-mentioned power storage device (power storage device stack) and can be externally encapsulated.
  • the casing is not limited to the material such as synthetic resin or metal.
  • a porous material is used as the flammable gas absorbing material installed in the gap between the power storage device and the casing.
  • the porous material an organic material, an inorganic material, or an organic / inorganic composite material can be used, and in particular, an inorganic porous material, a carbon-based porous material, an organic host compound, and a porous organic metal composite can be used.
  • a material or the like can be preferably used.
  • porous silica metallic porous structure, calcium silicate, magnesium silicate, magnesium aluminometasilicate, zeolite, activated alumina, titanium oxide, apatite, porous glass, magnesium oxide, aluminum silicate Etc.
  • porous silica metallic porous structure, calcium silicate, magnesium silicate, magnesium aluminometasilicate, zeolite, activated alumina, titanium oxide, apatite, porous glass, magnesium oxide, aluminum silicate Etc.
  • carbon-based porous material granular activated carbon, fibrous activated carbon, sheet-shaped activated carbon, graphite, carbon nanotubes, fullerenes, nanocarbons and the like can be used.
  • Organic host compounds include ⁇ -cyclodextrin, ⁇ -cyclodextrin, ⁇ -cyclodextrin, calix allenes, urea, deoxycholic acid, phenolic acid, 1,1,6,6-tetraphenylhexa-2,4- Acetylene alcohols such as diine-1,6-diol, bisphenols such as 1,1-bis (4-hydroxyphenyl) cyclohexane, and tetraxphenols such as 1,1,2,2-tetrakis (4-hydroxyphenyl) ethane.
  • Naftors such as bis- ⁇ -naphthol, carboxylic acid amides such as bisdiphenate (dicyclohexylamide), hydroquinones such as 2,5-di-t-butylhydroquinone, chitin, chitosan and the like can be used. ..
  • porous organic metal composite material examples include a porous organic metal complex compound called Metal-Organic Framworks (MOF), an organic carboxylate, an organic boron compound, an organic phosphorus compound, an organic aluminum compound, an organic titanium compound, and an organic silicon compound.
  • MOF Metal-Organic Framworks
  • organic carboxylate an organic boron compound
  • organic phosphorus compound an organic aluminum compound
  • organic titanium compound an organic titanium compound
  • organic silicon compound organic zinc compounds, organic magnesium compounds, organic indium compounds, organic tin compounds, organic tellurium compounds, organic gallium compounds and the like can be used.
  • carbon-based porous materials are suitable.
  • This carbon-based porous material generally has the selectivity of adsorbable molecules depending on the pore size and polarity. Therefore, those having a pore diameter and polarity capable of adsorbing flammable gases such as methane, carbon monoxide, ethylene, ethane, and propane are used. As a result, the flammable gas generated from the power storage device due to repeated charging and discharging can be reduced to the combustion concentration or less.
  • the carbon-based porous material may be adjusted to impart polarity to its surface functional group so as to easily adsorb a flammable gas to be adsorbed such as methane or ethane. Further. Hygroscopicity can be improved by adjusting the surface functional groups to improve the hydrophobicity.
  • the surface functional groups of the carbon-based porous material as described above can be adjusted by activating the carbon-based porous material with carbon dioxide gas, nitrogen gas, or argon gas.
  • the surface of the untreated (initial state) carbon-based porous material is a carboxyl group or a phenol-based hydroxyl group, but by activating with carbon dioxide gas, all or part of the surface is designated as the -CH end. can do. Further, the same effect can be obtained by activating with nitrogen or argon gas.
  • a carbon-based porous material is housed in a furnace such as a rotary kiln type, and the inside of the furnace is heated with an inert gas such as nitrogen to create an inert atmosphere. Therefore, the carbon-based porous material can be activated by introducing carbon dioxide gas after reaching a desired activation temperature.
  • the activation temperature is not particularly limited, but is preferably 350 to 1000 ° C, more preferably 800 to 950 ° C. By setting the temperature in such a range, the specific surface area of the carbon-based porous material is further increased.
  • the treatment time (activation time) after reaching the activation temperature is preferably 30 minutes or more, particularly 40 minutes or more, in order to increase the specific surface area of the carbon-based porous material and enhance the adsorption performance.
  • the upper limit of the activation time is not particularly limited, but if the activation time is too long, the pore volume becomes large, but the pore diameter becomes rather large. Therefore, 180 minutes or less, particularly 120 minutes or less is preferable.
  • the carbon-based porous material as the gas absorbing material as described above preferably has a specific surface area in the range of 10 to 3000 m 2 / g.
  • the specific surface area of the carbon-based porous material is less than 10 m 2 / g, not only the adsorption amount of the flammable gas is reduced, but also the contact efficiency with the ejected flammable gas is low, so that a sufficient combustion prevention effect can be obtained. It is not preferable because it cannot be used.
  • the specific surface area exceeds 3000 m 2 / g, further improvement in the ignition prevention effect cannot be obtained.
  • this carbon-based porous material preferably has a pore diameter in the range of 0.1 to 10 nm. If the pore diameter is less than 0.1 nm, the diffusion rate of the gas in the pores becomes slow, and the combustible gas component is less likely to be replaced due to the invasion into the pores, so that the effect of reducing the flammable gas concentration is obtained. On the other hand, if the pore diameter exceeds 10 nm, the adsorption force in the pores is weakened, so that the flammable gas cannot be retained in the pores, and as a result, the combustion prevention effect may be lowered, which is preferable. Absent.
  • the carbon-based porous material preferably has a particle size in the range of 0.1 to 5.0 mm.
  • the particle size is 0.1 mm or less, the contact efficiency with the flammable gas is deteriorated, so that the combustion prevention effect is lowered.
  • the combustion gas passes through the gaps between the particles of the carbon-based porous material, which may reduce the combustion prevention effect, which is not preferable.
  • a nonflammable gas, an aqueous solvent, or a nonflammable solvent may be adsorbed in the pores and on the surface of such a porous material as a flammable gas absorber.
  • a nonflammable gas adsorbed in the pores and on the surface of the porous material one or more gases selected from carbon dioxide, nitrogen, halogen, and rare gas can be preferably used.
  • the flammable gas absorber as described above may be used alone or in combination of two or more kinds of materials.
  • the flammable gas absorber may be molded by using an appropriate method.
  • the shape of the molded product is not particularly limited and may be in the shape of granules, granules, beads, pellets, honeycombs, etc.
  • the sheet It is preferably shaped.
  • the amount of the flammable gas absorber as described above is determined by estimating the type and amount of the flammable gas based on the type and amount of the non-aqueous electrolyte used in the power storage device (power storage device stack), and using this estimated amount. It may be appropriately set according to the volume of the voids in the casing, the combustible concentration of the flammable gas, and the absorbency of the flammable gas absorber. Specifically, the combustible concentration is, for example, 5.3 to 14.0% by volume for methane, 3.2 to 12.5% by volume for ethane, and 12.5 to 74.5% by volume for carbon monoxide. From the volume of the voids in the casing, the type of flammable gas, and the amount of ejected gas, an amount of flammable gas absorber that can be adsorbed until the concentration becomes lower than the combustible concentration may be installed.
  • the power storage device structure of the present invention has been described above, in the present invention, it is only necessary to dispose a flammable gas absorber in the gap between the power storage device (power storage device stack) and the casing, and the power storage device (power storage device)
  • the size and shape of the device stack) are not particularly limited. Therefore, it can be applied to a wide range of power storage devices (power storage device stacks) such as smartphones and in-vehicle devices.
  • a 1100 mAh lithium-ion battery with a positive electrode LCO is precharged at 4.2 V0.3 A until it reaches 0.03 A, then overcharged at 5 V 0.5 A for 2 hours, and this is performed with an open circuit voltage of 4.5 V or higher.
  • a nail piercing test was conducted in which a lithium-ion battery was pierced with a nail and forced to short-circuit. The diameter of the nail used was 2.5 mm, and the nail piercing speed was 80 mm / sec, and the battery was penetrated. As a result, it was confirmed that sparks were generated due to the short circuit and that severe ignition was confirmed.
  • Comparative Example 2 One lithium-ion battery used in Comparative Example 1 was precharged at 4.2V 0.3A until 0.03A, then overcharged at 5V 0.5A for 2 hours, and at an open circuit voltage of 4.5V or higher. Place the casing in a 15 cm x 20 cm x 5 cm resin pressure-resistant container (10 mm ⁇ nail piercing holes are formed at the top of the container and four 10 mm ⁇ gas vent holes are formed at the bottom of the container), and a nail piercing test is performed in the same manner as in Comparative Example 1. went. As a result, it was confirmed that sparks were generated due to a short circuit, and that there was a risk of violent ignition from the gas vent hole formed at the bottom of the resin pressure-resistant container and spreading to the outside of the resin pressure-resistant container.
  • Comparative Example 3 In Comparative Example 2, a nail piercing test was carried out in the same manner except that two lithium ion batteries were used. As a result, it was confirmed that sparks were generated due to a short circuit, and that there was a risk of violent ignition from the gas vent hole formed at the bottom of the resin pressure-resistant container and spreading to the outside of the resin pressure-resistant container.
  • Example 1 In Comparative Example 2, a carbon-based porous material (methane gas absorption performance 28 ml / g, specific surface area 780 m 2 / g, average pore diameter 0.7 nm, particle size 0) that absorbs methane gas, which is a flammable gas, in a resin pressure-resistant container.
  • a nail piercing test was carried out in the same manner as in Comparative Example 1 by adding 3 g of (a pellet of .7 to 1.0 mm). As a result, it was confirmed that sparks were generated due to a short circuit in the resin pressure-resistant container, but the ignition did not continue in the resin pressure-resistant container and there was no risk of the fire spreading to the outside of the resin pressure-resistant container. Was confirmed.
  • Example 2 In Comparative Example 2, a sheet-shaped carbon-based porous material that absorbs methane gas, which is a flammable gas, in a resin pressure-resistant container (a sheet-shaped processed carbon-based porous material of Example 1. Methane gas absorption performance 19 ml / 2 g (g, sheet thickness 80 ⁇ m) was added, and a nail piercing test was conducted in the same manner as in Comparative Example 1. As a result, it was confirmed that sparks were generated due to a short circuit in the resin pressure-resistant container, but the ignition did not continue in the resin pressure-resistant container and there was no risk of the fire spreading to the outside of the resin pressure-resistant container. Was confirmed.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

L'invention concerne un dispositif de stockage d'énergie qui a une structure : comprenant un dispositif de stockage d'énergie et un boîtier qui renferme le dispositif de stockage d'énergie avec un espace entre ceux-ci ; et dans lequel est disposé dans l'espace entre le dispositif de stockage d'énergie et le boîtier, un matériau d'absorption de gaz inflammable qui a la capacité d'absorber un gaz inflammable qui est potentiellement généré à partir du dispositif de stockage d'énergie. Le matériau inflammable absorbant les gaz est de préférence un matériau poreux à base de carbone, et se présente, en particulier, de préférence sous la forme d'une feuille. Avec cette structure de dispositif de stockage d'énergie, il est possible de réduire le risque d'apparition de l'allumage pendant une anomalie telle qu'un endommagement ou une surcharge du dispositif de stockage d'énergie, et en particulier, d'un empilement de dispositifs de stockage d'énergie dans lequel une pluralité de dispositifs de stockage d'énergie ont été empilés.
PCT/JP2019/048508 2019-07-05 2019-12-11 Structure de dispositif de stockage d'énergie WO2021005812A1 (fr)

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JP2019126420 2019-07-05

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WO2012073432A1 (fr) * 2010-12-03 2012-06-07 パナソニック株式会社 Bloc-batterie
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WO2013069308A1 (fr) * 2011-11-11 2013-05-16 パナソニック株式会社 Bloc-batterie
JP2013187089A (ja) * 2012-03-08 2013-09-19 Kurita Water Ind Ltd 蓄電デバイスの発火防止材、この発火防止材を含む発火防止システム、およびこの発火防止システムを用いた蓄電システム
JP2014135234A (ja) * 2013-01-11 2014-07-24 Mitsubishi Electric Corp 電池パック
JP2015135749A (ja) * 2014-01-17 2015-07-27 栗田工業株式会社 リチウムイオン電池、及びこれを用いた電子機器
WO2019097739A1 (fr) * 2017-11-15 2019-05-23 栗田工業株式会社 Matériau absorbant les gaz pour batteries au lithium-ion

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006228610A (ja) * 2005-02-18 2006-08-31 Densei Lambda Kk 二次電池パック
JP2012517080A (ja) * 2009-02-06 2012-07-26 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング バッテリーモジュール
WO2012073432A1 (fr) * 2010-12-03 2012-06-07 パナソニック株式会社 Bloc-batterie
WO2013069308A1 (fr) * 2011-11-11 2013-05-16 パナソニック株式会社 Bloc-batterie
JP2013187089A (ja) * 2012-03-08 2013-09-19 Kurita Water Ind Ltd 蓄電デバイスの発火防止材、この発火防止材を含む発火防止システム、およびこの発火防止システムを用いた蓄電システム
JP2014135234A (ja) * 2013-01-11 2014-07-24 Mitsubishi Electric Corp 電池パック
JP2015135749A (ja) * 2014-01-17 2015-07-27 栗田工業株式会社 リチウムイオン電池、及びこれを用いた電子機器
WO2019097739A1 (fr) * 2017-11-15 2019-05-23 栗田工業株式会社 Matériau absorbant les gaz pour batteries au lithium-ion

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