WO2023149108A1 - Bloc-batterie - Google Patents

Bloc-batterie Download PDF

Info

Publication number
WO2023149108A1
WO2023149108A1 PCT/JP2022/046940 JP2022046940W WO2023149108A1 WO 2023149108 A1 WO2023149108 A1 WO 2023149108A1 JP 2022046940 W JP2022046940 W JP 2022046940W WO 2023149108 A1 WO2023149108 A1 WO 2023149108A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
porous body
battery pack
batteries
heat
Prior art date
Application number
PCT/JP2022/046940
Other languages
English (en)
Japanese (ja)
Inventor
喜幸 坂内
Original Assignee
株式会社村田製作所
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 株式会社村田製作所 filed Critical 株式会社村田製作所
Publication of WO2023149108A1 publication Critical patent/WO2023149108A1/fr

Links

Images

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
    • 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
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • 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
    • H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
    • 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
    • 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

  • This technology relates to battery packs.
  • a heat-absorbing member is in contact with the side surface of the battery unit, and the heat-absorbing member contains a heat-absorbing agent (liquid or gel-like fluid) inside the exterior film (see, for example, Patent Document 1). .
  • a battery pack includes a plurality of batteries and an embedding member embedded in gaps between the plurality of batteries.
  • the embedded member has a porous body impregnated with an endothermic agent.
  • the porous body has flow paths through which the heat-absorbing agent can leak out due to capillary action.
  • a porous body impregnated with an endothermic agent is provided in an embedding member embedded in a gap between a plurality of batteries, and capillary action is generated through a flow path of the porous body. Since the heat-absorbing agent is made to leak outside, a large amount of the heat-absorbing agent does not leak out at once, and it is possible to efficiently cool the abnormally heated battery.
  • FIG. 1 is a diagram illustrating a perspective configuration example of a battery pack according to an embodiment of the present technology.
  • FIG. 2 is a diagram showing a perspective configuration example of a battery module housed in a battery pack.
  • FIG. 3 is a view showing an example of the exploded perspective configuration of the battery module.
  • FIG. 4A is a diagram showing a perspective configuration example of an embedding member.
  • FIG. 4B is a diagram showing a cross-sectional configuration example of the embedding member.
  • FIG. 5 is a diagram showing a perspective configuration example of a porous body.
  • FIG. 6 is a diagram showing how the embedding member and a plurality of batteries are in close contact with each other.
  • FIG. 7 is a diagram showing a modified example of the batteries and the embedded member accommodated in the battery pack.
  • FIG. 8 is a diagram showing a state in which the battery and the embedding member in FIG. 7 are overlaid.
  • FIG. 9 is a diagram showing an example of an experimental apparatus for verifying capillary action.
  • FIG. 10A is a cross-sectional view showing the state before heating by the heater.
  • FIG. 10B is a cross-sectional view showing the state during heating by the heater.
  • the battery pack described here is a power supply with multiple batteries, and is applied to various applications such as electronic devices. The details of the application of the battery pack will be described later. Since the type of battery is not particularly limited, it may be a primary battery or a secondary battery. The type of secondary battery is not particularly limited, but specifically, it is a lithium ion secondary battery in which battery capacity is obtained by utilizing absorption and release of lithium ions. The number of batteries is not particularly limited and can be set arbitrarily. A case where the battery is a secondary battery (lithium ion secondary battery) will be described below. That is, the battery pack described below is a power supply that includes a plurality of secondary batteries.
  • FIG. 1 shows a perspective configuration example of a battery pack 1 .
  • FIG. 2 shows a perspective configuration example of the battery module 30 housed in the battery pack 1 .
  • FIG. 3 shows an example of an exploded perspective configuration of the battery module 30. As shown in FIG.
  • the battery pack 1 includes an exterior case 10, battery modules 30 housed in the exterior case 10, and a control board (not shown).
  • the control board is connected to, for example, the positive and negative terminals of the battery module 30, and measures the voltage of the battery and the battery module, detects the remaining capacity of the battery module 30, measures the current output from the battery module 30, and detects excess current. It has a circuit that detects the presence or absence of current.
  • the exterior case 10 is provided with an external terminal 20 connected to the control board.
  • a battery module 30 is connected to the external terminal 20 via a control board.
  • the battery pack 1 has a discharge mode in which the power output from the battery module 30 is supplied to the load via the external terminal 20 .
  • Battery pack 1 may further have a charge mode in which power supplied from a power supply connected to external terminal 20 via external terminal 20 is stored in battery module 30 .
  • the control board switches between a discharge mode and a charge mode according to the type of the connected object connected to the external terminal 20 .
  • the control board executes only the discharge mode.
  • the battery module 30 has a plurality of batteries 31 as shown in FIGS. 2 and 3, for example.
  • the plurality of batteries 31 are electrically connected via lead plates 34a, 34b, and 34c, as shown in FIGS. 2 and 3, for example.
  • lead plates 34a, 34b, and 34c as shown in FIGS. 2 and 3, for example.
  • the plurality of series units are connected in parallel with each other.
  • the connection mode of the plurality of batteries 31 is not limited to the above.
  • Each battery 31 is a primary battery or a secondary battery.
  • the type of the secondary battery is not particularly limited, but specifically, it is a lithium ion secondary battery in which battery capacity is obtained by utilizing absorption and release of lithium ions.
  • a case where each battery 31 is a secondary battery (lithium ion secondary battery) will be described below. That is, the battery pack 1 described below is a power source that includes a plurality of secondary batteries.
  • the battery module 30 further includes, for example, as shown in FIGS. 2 and 3, a battery holder 32 that supports the plurality of batteries 31, and an embedding member 33 that is embedded in the gaps between the plurality of batteries 31.
  • the battery holder 32 has a structure that supports a plurality of batteries 31 in layers with predetermined gaps therebetween.
  • FIG. 4(A) shows a perspective configuration example of the embedding member 33 .
  • FIG. 4B shows a cross-sectional configuration example of the embedding member 33 .
  • the embedded member 33 has a shape corresponding to the shape of the gaps between the batteries 31 supported by the battery holder 32 .
  • the embedded member 33 is in contact with the surface of the plurality of batteries 31 .
  • the embedded member 33 has an elongated columnar shape.
  • the cross section in the direction perpendicular to the extending direction of the embedding member 33 has, for example, a substantially diamond shape.
  • the extending direction of the embedding member 33 will be referred to as the vertical direction for convenience, and the direction perpendicular to the extending direction of the embedding member 33 will be referred to as the lateral direction for convenience.
  • the embedded member 33 contains a heat-absorbing agent, and is configured so that the heat-absorbing agent leaks to the outside when the battery 31 generates abnormal heat.
  • the embedding member 33 has, for example, a porous body 33b impregnated with an endothermic agent and a film 33a covering the entire porous body 33b, as shown in FIGS. 4(A) and 4(B). ing.
  • the porous body 33 b has a shape corresponding to the shape of the gaps between the batteries 31 supported by the battery holder 32 . Like the battery 31, the porous body 33b has an elongated columnar shape. In the porous body 33b, a cross section in a direction (horizontal direction) perpendicular to the extending direction of the porous body 33b is, for example, substantially diamond-shaped. The porous body 33b has a hardness that allows it to stand on its own from the viewpoint of improving handling. The porous body 33b is also made of a material with a heat resistance temperature higher than the abnormal heat generation temperature of the battery 31 (for example, about 600° C.). The porous body 33b is made of, for example, sintered metal, ceramics, or nonflammable fibers.
  • the porous body 33b is made of incombustible fibers
  • the incombustible fibers are solidified into a predetermined shape by applying heat or the like.
  • the porous body 33b will not melt, and clogging will not occur in the porous body 33b.
  • the porous body 33b has channels (continuous pores) through which the endothermic agent can leak out due to capillary action.
  • the diameter of the channel provided in the porous body 33b is on the order of microns or submicrons, and is preferably within the range of 0.1 ⁇ m to 100 ⁇ m, for example. If the diameter is less than 0.1 ⁇ m, depending on the components of the fluid, clogging is likely to occur due to components, impurities, etc. in the liquid. Also, if it is larger than 100 ⁇ m, depending on the components of the fluid and the surface condition of the porous body, the capillary pressure may decrease and the movement of the fluid may be hindered.
  • the heat-absorbing agent may be hydrogel as long as it has a viscosity that allows capillary force to be obtained.
  • the heat-absorbing agent is hydrogel, the speed of movement through the flow path in the porous body 33b is slower than when the heat-absorbing agent is a liquid containing water.
  • the heat-absorbing agent can be supplied for a longer period of time, it becomes possible to cool the part generating abnormal heat for a long period of time.
  • hydrogel it is preferable to use a synthetic polymer gel.
  • synthetic polymer gel materials include sodium polyacrylate (PNaAA), polyvinyl alcohol (PVA), polyhydroxyethyl methacrylate (PHE-MA), and silicone hydrogel.
  • the film 33a covers the entire porous body 33b as described above.
  • the film 33a is in close contact with the porous body 33b and has a shape that follows the surface of the porous body 33b.
  • the film 33a is made of a material with a heat resistance temperature lower than the abnormal heat generation temperature of the battery 31 (for example, about 600.degree. C.). As a result, when the battery 31 generates abnormal heat, the film 33a melts and the porous body 33b is exposed.
  • the film 33a is made of, for example, a resin material such as polyethylene, polystyrene, polypropylene, or polycarbonate.
  • FIG. 5 shows a perspective configuration example of the porous body 33b.
  • FIG. 6 shows how the embedding member 33 and the plurality of batteries 31 are brought into close contact with each other.
  • the porous body 33b has a plurality of grooves 33b1 on a surface (that is, a side surface) facing the plurality of batteries 31.
  • each groove 33b1 extends from the upper end (first end face S1) of the porous body 33b to the lower end (second end face S2) of the porous body 33b.
  • the gaseous heat-absorbing agent would form a vapor film, separating the battery 31 and the porous body 33b, which could lead to a decrease in cooling efficiency.
  • the groove portion 33b1 is provided, the gaseous endothermic agent is discharged, thereby preventing formation of a vapor film.
  • Each groove 33b1 may be linear as shown in FIG. 5, or may be curved. Although each groove portion 33b1 reaches both the first end surface S1 and the second end surface S2, it may reach only one of the first end surface S1 and the second end surface S2.
  • the width of each groove portion 33b1 may be uniform as shown in FIG. 5, or may gradually widen from the vicinity of the vertical center of the porous body 33b toward the first end surface S1 or the second end surface S2. You can say
  • a heat-absorbing member is in contact with the side surface of the battery unit, and the heat-absorbing member contains a heat-absorbing agent (liquid or gel-like fluid) inside the exterior film (see, for example, Patent Document 1). .
  • the embedding member 33 embedded in the gaps between the plurality of batteries 31 is provided with a porous body 33b impregnated with an endothermic agent.
  • the endothermic agent leaks out due to capillary action. As a result, a large amount of the endothermic agent does not leak out at once. Further, since capillary action is used, for example, even if the heat absorbing agent is arranged below the battery 31 that has generated abnormal heat, the heat absorbing agent can be supplied to the heat generating portion regardless of gravity. Therefore, the abnormally heated battery 31 can be efficiently cooled.
  • the porous body 33b has a shape corresponding to the shape of the gaps between the plurality of batteries 31 supported by the battery holder 32 .
  • the contact area between the embedding member 33 and the battery 31 can be made sufficiently large. It is possible to reliably supply the agent. Therefore, the abnormally heated battery 31 can be efficiently cooled.
  • the porous body 33b has a hardness that allows it to stand on its own, and is made of a sintered metal, ceramics, or nonflammable fibers. As a result, handling of the embedded member 33 when assembling the battery module 30 can be improved.
  • the diameter of the flow path provided in the porous body 33b is on the order of microns or submicrons, for example, 0.1 ⁇ m or more and 100 ⁇ m or less.
  • the heat-absorbing agent can be leaked to the outside through the flow path of the porous body 33b by capillarity, so that the heat-absorbing agent can be reliably supplied to the heat-generating portion. Therefore, the abnormally heated battery 31 can be efficiently cooled.
  • the endothermic agent is a liquid containing water. As a result, heat-generating locations can be efficiently cooled.
  • a plurality of grooves 33b1 are provided on the side surface of the porous body 33b (the surface facing the plurality of batteries 31).
  • each groove 33b1 reaches the end of the porous body 33b.
  • the gaseous endothermic agent can be efficiently discharged to the outside.
  • the porous body 33b is made of a material with a heat resistance temperature higher than the abnormal heat generation temperature of the battery 31. As a result, even if the battery 31 generates abnormal heat, the porous body 33b will not melt and clogging will not occur. As a result, the heat-generating portion can be efficiently cooled.
  • the entire porous body 33b is covered with the film 33a having a heat-resistant temperature lower than the abnormal heat generation temperature of the battery 31.
  • the film 33a melts and the porous body 33b is exposed.
  • the heat-absorbing agent leaks from the exposed portion, so that the heat-generating portion can be efficiently cooled.
  • the film 33a can prevent the heat-absorbing agent in the porous body 33b from leaking to the outside.
  • the battery 31 has a cylindrical shape
  • the embedded member 33 has an elongated columnar shape like the battery 31, and the cross section in the direction perpendicular to the extending direction of the embedded member 33 has a substantially diamond shape. It was.
  • a flat-shaped embedding member 36 may be used.
  • FIG. 7 shows a modified example of the battery 35 and the embedded member 36 accommodated in the battery pack 1.
  • FIG. 8 shows how the battery 35 and the embedding member 36 of FIG. 7 are overlaid.
  • the plurality of batteries 35 are electrically connected, for example, via predetermined lead plates.
  • a plurality of batteries 35 that are part of the plurality of batteries 35 are connected in series with each other.
  • the plurality of series units may be connected in parallel with each other.
  • the connection mode of the plurality of batteries 35 is not limited to the above.
  • Each battery 35 is a primary battery or a secondary battery.
  • the type of the secondary battery is not particularly limited, but specifically, it is a lithium ion secondary battery in which battery capacity is obtained by utilizing absorption and release of lithium ions. .
  • the embedding member 36 is arranged between the two batteries 35 and is in contact with the surfaces of the two batteries 35 .
  • the embedding member 36 contains a heat-absorbing agent, and is configured such that the heat-absorbing agent leaks to the outside when the battery 35 generates abnormal heat.
  • the embedding member 36 has, for example, a porous body 33b impregnated with an endothermic agent, and a film 33a covering the entire porous body 33b, similarly to the embedding member 33 .
  • the porous body 33b has a flat shape like the battery 35 does.
  • the heat-absorbing agent is included (impregnated) in the porous body 33b.
  • a gap sufficiently larger than the flow path may be provided inside the porous body 33b, and the heat-absorbing agent may be stored in the gap.
  • the heat-absorbing agent stored inside the porous body 33b leaks to the outside through the flow path described above.
  • the heat-generating portion can be efficiently cooled as in the above-described embodiment and its modification.
  • the embedded members 33 and 36 are provided with the porous body 33b.
  • a heat-absorbing agent is included so that the heat-absorbing agent leaks to the outside when the batteries 31 and 35 generate abnormal heat. You may use the member which carried out. Even in this case, it is possible to efficiently cool the heat-generating portion similarly to the above-described embodiment and its modification.
  • the battery pack 1 is used in machines, devices, instruments, devices, and systems (aggregates of multiple devices, etc.) that can use the battery pack 1 as a power source for driving and a power storage source for power storage. If there is, it is not particularly limited.
  • the battery pack 1 used as a power source may be a main power source or an auxiliary power source.
  • a main power source is a power source that is preferentially used regardless of the presence or absence of other power sources.
  • the auxiliary power supply may be, for example, a power supply that is used in place of the main power supply, or may be a power supply that is switched from the main power supply as needed.
  • the main power supply is not limited to the battery pack.
  • the battery pack 1 An example of the usage of the battery pack 1 is as follows. Electronic devices (including portable electronic devices) such as video cameras, digital still cameras, mobile phones, notebook personal computers, cordless phones, headphone stereos, portable radios, portable televisions, and portable information terminals. It is a portable household appliance such as an electric shaver. Backup power and storage devices such as memory cards. Power tools such as power drills and power saws. Medical electronic devices such as pacemakers and hearing aids. It is an electric vehicle such as an electric vehicle (including a hybrid vehicle). It is an electric power storage system such as a home battery system that stores electric power in preparation for emergencies. Of course, the battery pack may be used for purposes other than those described above.
  • FIG. 9 shows an example of an experimental device for verifying the presence or absence of capillarity.
  • the presence or absence of capillary action is verified by the following procedure. (1) Place a portion of the porous body 33b in the center of a glass petri dish 110 having a diameter of 50 mm under an environment of 20° C. ⁇ 5° C.; At this time, the volume of the porous body 33b placed in the center of the petri dish 110 is 4500 mm ⁇ 3>. (2) Pour the liquid 120 into the petri dish 110 until approximately half or more of the porous body 33b is submerged.
  • the liquid 120 is sufficiently impregnated into the porous body 33b.
  • the liquid 120 impregnated in the porous body 33b is referred to as an impregnated liquid 120a.
  • the sheet 140 is installed so that the porous body 33b is exposed when viewed from above and the liquid 120 is covered (see FIG. 10A).
  • the sheet material is preferably mica, glass or metal.
  • the temperature of the heater 130 is set to 100° C. to 150° C., and the temperature of the heater 130 is increased (see FIG. 10B).
  • the battery structure of the secondary battery is cylindrical has been described, but the battery structure of the secondary battery applied to the battery pack of the present technology is not particularly limited.
  • the battery structure of the secondary battery may be a laminate film type, a square type, a coin type, or the like.
  • the structure of the secondary battery is not particularly limited. Specifically, the secondary battery may have other structures such as a laminated structure.
  • the type of the electrode reactant is not particularly limited.
  • the electrode reactant may be another group 1 element in the long period periodic table such as sodium and potassium, a group 2 element in the long period periodic table such as magnesium and calcium, or aluminum Other light metals such as
  • this technique can also take the following structures.
  • ⁇ 1> a plurality of batteries; and an embedding member embedded in the gaps between the plurality of batteries,
  • the embedding member has a porous body impregnated with an endothermic agent,
  • the porous body has a flow path through which the heat-absorbing agent can leak out due to capillary action.
  • ⁇ 3> The battery pack according to ⁇ 2>, wherein the porous body is hard enough to stand on its own.
  • ⁇ 4> The battery pack according to ⁇ 3>, wherein the porous body is made of sintered metal, ceramics, or nonflammable fiber.
  • ⁇ 5> The battery pack according to any one of ⁇ 1> to ⁇ 4>, wherein the flow path has a diameter of 0.1 ⁇ m or more and 100 ⁇ m or less.
  • ⁇ 6> The battery pack according to any one of ⁇ 1> to ⁇ 5>, wherein the endothermic agent is a liquid containing water.
  • ⁇ 7> The battery pack according to any one of ⁇ 1> to ⁇ 6>, wherein the porous body has a plurality of grooves on a surface facing the plurality of batteries.
  • each of the grooves reaches an end of the porous body.
  • the porous body is made of a material having a heat resistance temperature higher than an abnormal heat generation temperature of the battery.
  • the embedding member further has a film with a heat resistance temperature lower than the abnormal heat generation temperature of the battery, The battery pack according to ⁇ 9>, wherein the film covers the entire porous body.

Landscapes

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

Abstract

Un bloc-batterie selon un mode de réalisation de la présente technologie comprend une pluralité de batteries, et des éléments enterrés enfouis dans les espaces entre les batteries. Les éléments enterrés ont un corps poreux imprégné d'un agent endothermique. Le corps poreux a un trajet d'écoulement à travers lequel l'agent endothermique peut fuir vers l'extérieur en raison de la capillarité.
PCT/JP2022/046940 2022-02-03 2022-12-20 Bloc-batterie WO2023149108A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022015813 2022-02-03
JP2022-015813 2022-02-03

Publications (1)

Publication Number Publication Date
WO2023149108A1 true WO2023149108A1 (fr) 2023-08-10

Family

ID=87552188

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/046940 WO2023149108A1 (fr) 2022-02-03 2022-12-20 Bloc-batterie

Country Status (1)

Country Link
WO (1) WO2023149108A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013131428A (ja) * 2011-12-22 2013-07-04 Panasonic Corp 冷却部付き電池
JP2016146298A (ja) * 2015-02-09 2016-08-12 本田技研工業株式会社 バッテリ装置
JP2017524240A (ja) * 2014-05-21 2017-08-24 カデンツァ イノベーション，インコーポレイテッド 熱暴走の保護を備えたリチウムイオン電池
WO2018169044A1 (fr) * 2017-03-17 2018-09-20 三菱ケミカル株式会社 Élément de séparation et bloc-batterie
JP2020532060A (ja) * 2017-08-18 2020-11-05 ファーレンハイト ゲーエムベーハー バッテリアセンブリの温度を制御するための方法および装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013131428A (ja) * 2011-12-22 2013-07-04 Panasonic Corp 冷却部付き電池
JP2017524240A (ja) * 2014-05-21 2017-08-24 カデンツァ イノベーション，インコーポレイテッド 熱暴走の保護を備えたリチウムイオン電池
JP2016146298A (ja) * 2015-02-09 2016-08-12 本田技研工業株式会社 バッテリ装置
WO2018169044A1 (fr) * 2017-03-17 2018-09-20 三菱ケミカル株式会社 Élément de séparation et bloc-batterie
JP2020532060A (ja) * 2017-08-18 2020-11-05 ファーレンハイト ゲーエムベーハー バッテリアセンブリの温度を制御するための方法および装置

Similar Documents

Publication Publication Date Title
US8592067B2 (en) Battery pack having a heat insulating layer
US11936022B2 (en) Battery module
CN110431710B (zh) 电池模块及电池组
CN100440582C (zh) 电池组
US9343784B2 (en) Battery pack assembly having thermal transfer sheets and heat sink
KR101713042B1 (ko) 전지셀 고온 가압 장치
EP3358668B1 (fr) Module de batterie, bloc-batterie et véhicule le comportant
KR20190018389A (ko) 온도 조절 성능이 개선된 배터리 팩
CN113748554A (zh) 全固态电池的制造方法及使用该方法制造的全固态电池
WO2007043392A9 (fr) Bloc-batterie
WO2013157560A1 (fr) Batterie rechargeable, module de batterie rechargeable à batterie rechargeable intégrée et système de batterie assemblé comprenant un module de batterie rechargeable
KR102479967B1 (ko) 전지 모듈
WO2019107560A1 (fr) Élément de séparation et bloc-batterie
JP2023528813A (ja) 電池モジュールおよびそれを含む電池パック
KR20220023191A (ko) 단열 부재를 포함하는 배터리 모듈
WO2023149108A1 (fr) Bloc-batterie
WO2023162438A1 (fr) Bloc-batterie
KR20160059165A (ko) 절연 및 열용융성 수지 부재를 포함하는 전지팩
KR20220000068A (ko) 전해액의 보충이 가능한 파우치형 전지셀
KR20240072246A (ko) 파우치 셀의 캡슐화층 내에 단열층을 통합하는 재료, 시스템, 및 방법
WO2023176124A1 (fr) Bloc-batterie
KR20170059176A (ko) 파우치 케이스 실링장치
US20240266628A1 (en) Battery pack
KR20220015252A (ko) 탄성부재를 포함하는 파우치형 전지셀 및 이를 포함하는 전지팩
JP2024112761A (ja) 電池パック

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22925012

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE