WO2020031467A1 - Support de batterie, bloc-batterie, dispositif électronique et véhicule électrique - Google Patents

Support de batterie, bloc-batterie, dispositif électronique et véhicule électrique Download PDF

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Publication number
WO2020031467A1
WO2020031467A1 PCT/JP2019/021088 JP2019021088W WO2020031467A1 WO 2020031467 A1 WO2020031467 A1 WO 2020031467A1 JP 2019021088 W JP2019021088 W JP 2019021088W WO 2020031467 A1 WO2020031467 A1 WO 2020031467A1
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WIPO (PCT)
Prior art keywords
battery
battery holder
slit
holder
housing
Prior art date
Application number
PCT/JP2019/021088
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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.)
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Application filed by 株式会社村田製作所 filed Critical 株式会社村田製作所
Priority to CN201980051894.8A priority Critical patent/CN112534627B/zh
Priority to JP2020536342A priority patent/JP7063385B2/ja
Publication of WO2020031467A1 publication Critical patent/WO2020031467A1/fr

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    • 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
    • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • H01M50/293—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/643—Cylindrical cells
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/651—Means for temperature control structurally associated with the cells characterised by parameters specified by a numeric value or mathematical formula, e.g. ratios, sizes or concentrations
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/6595—Means for temperature control structurally associated with the cells by chemical reactions other than electrochemical reactions of the cells, e.g. catalytic heaters or burners
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • H01M50/291—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
    • 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 holder, a battery pack, an electronic device, and an electric vehicle.
  • a lithium ion battery is known as a battery whose use is expanding not only in electric equipment but also in automobiles and the like. While the lithium ion battery has a high output, the lithium ion battery may generate abnormal heat due to a short circuit or the like generated inside the lithium ion battery cell due to some accident. For this reason, various researches and developments on the safety of lithium ion batteries have been conducted.
  • Patent Document 1 describes a battery module in which a battery holder is made of a thermally conductive material and a heat absorbing agent is provided in a gap generated when a lithium ion battery cell is inserted into the battery holder.
  • a certain lithium ion battery cell when a certain lithium ion battery cell generates abnormal heat, the heat is absorbed by the surrounding heat absorbing agent, and the heat that cannot be absorbed is diffused to the battery holder, thereby causing an abnormal heat generation. Further, the temperature of the lithium ion battery cell is prevented from rising.
  • an object of the present invention is to provide a battery holder, a battery pack, an electronic device, and an electric vehicle that can effectively cool a battery such as a lithium ion battery even when the battery abnormally generates heat. I do.
  • the present invention for example, It is composed of an elastic body kneaded with a substance exhibiting a dehydration endothermic reaction, It has a battery storage section in which batteries are stored, This is a battery holder in which a slit is formed on the surface of the battery housing.
  • the present invention for example, The battery holder described above, A battery housed in a battery housing part of the battery holder, A battery pack comprising: a housing for accommodating a battery holder.
  • the present invention may be an electronic device having the above-described battery pack.
  • the present invention may be an electric vehicle including the above-described battery pack.
  • the battery can be effectively cooled.
  • the effects of the present invention are not to be construed as limiting the contents of the present invention.
  • FIG. 1 is an exploded perspective view illustrating a configuration example of a battery pack according to an embodiment.
  • FIG. 2 is an exploded perspective view for explaining a configuration example of the battery holder according to the embodiment.
  • FIG. 3 is a diagram for explaining a configuration example of the battery holder according to the embodiment.
  • FIG. 4 is a diagram referred to as a comparative example when describing effects obtained by the embodiment.
  • FIG. 5 is a diagram referred to when describing effects obtained by the embodiment.
  • FIG. 6 is a diagram for explaining a modification.
  • FIG. 7 is a diagram for explaining an application example.
  • FIG. 8 is a diagram for explaining an application example.
  • a cylindrical lithium ion secondary battery cell will be described as an example of a battery.
  • batteries other than the lithium ion secondary battery and batteries other than the cylindrical shape may be used.
  • the battery pack has one or more lithium ion battery cells.
  • the same or similar components, processes, and the like are denoted by the same reference numerals, and duplicate description will be omitted as appropriate. Further, in order to prevent the illustration from being complicated, reference numerals may be given to only some of the components.
  • FIG. 1 is an exploded perspective view illustrating a configuration example of a battery pack (battery pack 1) according to an embodiment.
  • the battery pack 1 has a battery holder 2 for housing and holding a battery (battery 5), and a case 3 as a housing for housing the battery holder 2 therein.
  • the case 3 is, for example, vertically separable into an upper case 3a and a lower case 3b. For example, after the battery holder 2 is stored at a predetermined position of the lower case 3b, the battery holder 2 is stored inside the case 3 by engaging the upper case 3a and the lower case 3b.
  • the case 3 is preferably made of a material having high thermal conductivity and emissivity. Thereby, excellent heat dissipation can be obtained, and a rise in temperature in the case 3 can be suppressed.
  • Examples of the material of the case 3 include aluminum, an aluminum alloy, copper, and a copper alloy.
  • the outer peripheral surface (outer surface) of the battery holder 2 and the inner surface of the case 3 come into close contact with each other.
  • the close contact in the present specification does not necessarily mean that all of the outer peripheral surface of the battery holder 2 and all of the inner surface of the case 3 are in contact with each other, and includes a case in which the battery holder 2 is provided adjacently via a gap.
  • the outer peripheral surface of the battery holder 2 and the inner surface of the case 3 are in contact with each other to such an extent that a space for connecting tabs to the positive electrode and the negative electrode of the battery 5 and a space for leading a lead wire are secured. Is included in the close contact in this specification.
  • the battery holder 2 is, for example, separable into a first battery holder 2a and a second battery holder 2b in a direction substantially orthogonal to a direction in which the case 3 can be separated.
  • the battery 5 is housed and held by engaging the first battery holder 2a and the second battery holder 2b.
  • the battery holder 2 has a plurality of hollow cylindrical battery housing portions 11 for housing and holding one or a plurality of batteries 5. Circular holes 7 are formed at both ends of the battery housing 11, and the electrodes of each battery are exposed from the battery holder 2 through the holes 7 when the batteries 5 are inserted. I have. A tab (not shown) or the like is appropriately connected to the electrode of the battery 5 exposed through the hole 7.
  • the battery storage units 11 are arranged in two rows and four rows, and can store eight batteries.
  • adjacent batteries housed in the same stage are arranged so that the directions of the positive electrode surface and the negative electrode surface are alternated.
  • the battery housing portions 11 are provided at a predetermined interval from each other, and can insulate the stored batteries 5 from each other.
  • the first battery holder 2a and the second battery holder 2b each have a battery storage section formed in two rows and four rows.
  • a hollow cylindrical first battery storage portion 11a is formed at a predetermined position of the first battery holder 2a, and a hollow cylindrical shape is formed at a position corresponding to the first battery storage portion 11a of the second battery holder 2b.
  • a second battery storage part 11b is formed.
  • a plurality of slits are formed on the surface of the battery housing 11.
  • a slit 15 is formed on the surface of the battery housing 11 so as to extend from one open end of the battery housing 11 to the other open end substantially in parallel with the axial direction of the battery 5.
  • a first slit 15a is formed on the surface of the first battery housing 11a
  • a second slit 15b is formed on the surface of the second battery housing 11b.
  • a linear slit 15 is formed by the predetermined first slit 15a and the corresponding second slit 15b.
  • the surface of the battery storage unit refers to the surface of the battery storage unit that is in contact with the battery.
  • the axial direction refers to the central axis of the battery, for example, in the case of a cylindrical battery, a direction connecting the center of the positive terminal and the center of the negative terminal.
  • the width of the slit 15 is, for example, 0.5 mm or less, and the depth of the slit 15 is, for example, about 1 to 2 mm.
  • the depth direction of the slit 15 is, for example, a direction along the radial direction of the battery 5, in other words, a radiation direction radiating outward from the center of the end face of the circular battery 5. More specifically, the depth direction of the predetermined slit 15 is, for example, a predetermined radial direction of the battery 5, in other words, a predetermined one of radiation directions radiating outward from the center of the end face of the circular battery 5. This direction is substantially parallel to the direction.
  • the slit 15 can be formed by an appropriate method.
  • the slit 15 can be formed by transferring a shape corresponding to the slit 15 formed in the mold.
  • the slit 15 may be formed by making a cut in the battery holder 2 with a laser, a cutter, water pressure, or the like.
  • Battery holder 2 is formed of an elastic body containing an elastic material having thermal conductivity.
  • an elastic material for example, a synthetic rubber such as silicone rubber, ethylene propylene rubber (EPDM), or fluoro rubber (FKM) having electrical insulation properties, or a thermoplastic elastomer resin can be used.
  • the elastic body constituting the battery holder 2 is kneaded with a heat-absorbing substance, more specifically, a substance capable of dehydrating and absorbing heat (hereinafter, appropriately referred to as a dehydrating heat-absorbing substance).
  • a dehydrating heat-absorbing substance a substance capable of dehydrating and absorbing heat.
  • aluminum hydroxide is used as such a dehydration endothermic substance.
  • the battery holder 2 is assembled, for example, as follows. First, one end side of a predetermined battery 5 is inserted into the first battery storage portion 11a of the first battery holder 2a. Other batteries 5 are inserted similarly. After that, the other end of the predetermined battery 5 is inserted into the second battery holder 11b of the second battery holder 2b. Other batteries 5 are inserted similarly. The first battery holder 2a and the second battery holder 2b are engaged with each other, and the first battery holder 2a and the second battery holder 2b are fixed by an appropriate method such as fastening with a screw. Thereby, the battery holder 2 is assembled, and the battery 5 is stored and held by the battery holder 2.
  • the battery 5 may be inserted into the battery compartment of the second battery holder 2b, or the battery 5 may be inserted into each of the battery compartment of the first battery holder 2a and the battery compartment of the second battery holder 2b. They may be inserted at the same time.
  • the water generated by the dehydration and endothermic reaction of aluminum hydroxide evaporates due to the temperature of the battery 5 that has abnormally generated heat.
  • the battery 5 that has abnormally generated heat due to the heat of vaporization of water can be cooled.
  • the aluminum hydroxide may release water of crystallization (water vapor) when exhibiting a dehydration / endothermic reaction. 5 can be cooled. Note that the water vapor is appropriately released to the outside of the battery pack 1 through the slit 15 and the hole 7 of the battery holder 2, for example.
  • the dehydration endothermic substance is kneaded in the entire battery holder 2. Therefore, the battery 5 that has abnormally generated heat can be effectively cooled, and the heat of the battery 5 that has generated abnormally much heat can be suppressed from being transmitted to an adjacent battery or the like.
  • the slit 15 is formed on the surface of the battery housing 11 that contacts the peripheral surface of the battery 5.
  • the surface area of the surface of the battery housing 11 can be increased. Therefore, the area for dehydration (the area from which water is extracted) when the battery holder 2 performs dehydration and heat absorption can be increased, and the heat absorbing effect can be improved.
  • the surface area of the surface of the battery housing 11 can be increased by forming a slit 15 having a small width of, for example, 0.5 mm or less on the surface of the battery housing 11. Further, since the width of the slit 15 is minute, the contact area between the surface of the battery housing 11 and the peripheral surface of the battery 5 decreases as the holding power of the battery 5 by the battery housing 11 decreases. Can be prevented.
  • the diameter of the battery storage portion in a state where no battery is stored is often designed to be equal to or slightly smaller than the diameter of the battery. This is because when the battery is pressed into the battery housing, the surface of the battery housing is slightly compressed and closely attached to the battery because the battery holder has elasticity. Also in the present embodiment, the diameter of the battery housing 11 in a state where the battery 5 is not housed is set to be equal to or smaller than the diameter of the battery 5.
  • the depth direction of the slit 15 is, for example, the radial direction of the battery 5, in other words, the radiation direction radiating outward from the center of the end surface of the circular battery 5.
  • the slit 15 is moved by a force directed outward of the battery housing 11 (a force directed in a direction indicated by an arrow in the figure). Can be prevented from being crushed. Therefore, it is possible to prevent inconvenience caused by the slit 15 being crushed, for example, a decrease in endothermic effect and a blockage of a discharge path of water vapor generated during a dehydration endothermic reaction.
  • case 3 is made of a material having excellent heat dissipation properties. Therefore, even when the battery 5 stored in the battery holder 2 generates abnormal heat, the heat can be easily discharged to the outside via the battery holder 2 and the case 3.
  • the battery holder is brought into close contact with the positive electrode, which has the effect of preventing water from entering the positive electrode. Since the impact due to the external force can be absorbed by the battery holder 2 which is an elastic body, there is an effect that the impact resistance such as dropping is improved. Further, since the battery holder 2 has a dehydrating heat absorbing action, a heat conducting member for releasing heat to the outside can be eliminated.
  • the present invention will be specifically described based on an example in which a battery holder obtained by kneading aluminum hydroxide in rubber or an elastomer is used to compare the difference in cooling performance depending on the presence or absence of a slit in a battery housing.
  • the present invention is not limited to the embodiments described below.
  • Example 1 As the battery holder, a battery holder having a shape shown in FIG. 2 was used. Sixteen slits were formed on the surface of the battery holder of the battery holder at substantially equal intervals along the axial direction of the battery for one battery. The depth of the slit was about 1.5 mm.
  • Example 2 As the battery holder, a battery holder having a shape shown in FIG. 2 was used. Twenty-seven slits were formed on the surface of the battery housing of the battery holder at substantially equal intervals along the axial direction of the battery for one battery. The depth of the slit was about 1.5 mm.
  • Examples 1 and 2 and Comparative Example a battery holder having a battery storage part having a diameter of 18 mm and a length along the axial direction of 65 mm was used.
  • the battery holder described above was evaluated. The evaluation was performed by changing the number of slits to change the dehydration and heat absorption effective area of the battery holder. In addition, one battery in the battery holder was abnormally heated. Then, in order to evaluate how much aluminum hydroxide (converted to alumina after the dehydration endothermic reaction) contributes to the cooling of the battery that generated abnormal heat, the temperature of the battery adjacent to the battery that generated abnormal heat was increased from the maximum temperature to 100 ° C. The time (seconds) required to go down was measured. Further, the presence or absence of fire spread of the battery adjacent to the battery that caused abnormal heat generation was observed. The results are shown in Table 1 below.
  • the battery adjacent to the battery that caused abnormal heat generation did not spread, whereas the comparative example did.
  • the maximum temperature of the battery that generated abnormal heat was about 600 ° C.
  • the maximum temperature of the battery adjacent to the battery that abnormally heated was about 300 ° C. to 400 ° C.
  • the time required for the temperature of the battery adjacent to the abnormally heated battery to decrease from the maximum temperature to 100 ° C. was 1070 seconds in Example 1 and 980 seconds in Example 2.
  • FIG. 6 is a diagram for explaining a modification.
  • the battery holder 2 may be separable in the vertical direction.
  • the battery holder 2 has a battery support 25 housed in the first and second battery holders 2a and 2b.
  • Semicircular concave portions 26 are formed in the upper and lower four rows of the battery support 25.
  • batteries 5 are respectively stored in four semicircular recesses formed in the second battery holder 2b. Then, the concave portion 26 on the lower side of the battery support 25 is put on the upper half of the battery 5. The four batteries 5 are housed in the concave portion 26 on the upper side of the battery support 25. The eight batteries 5 are housed in the battery holder 2 by engaging the first battery holder 2a with the second battery holder 2b.
  • a slit 15 is formed in at least a surface of the first and second battery holders 2a and 2b and the battery support 25 that comes into contact with the peripheral surface of the battery 5. Specifically, a first slit 15a is formed on the surface of the first battery holder 2a, a second slit 15b is formed on the surface of the second battery holder 2b, and a third slit 15c is formed on the surface of the battery support 25. Is done.
  • Each slit may be the same slit as in the embodiment, but the first, second, and third slits 15a, 15b, and 15c in this example are formed along the circumferential direction of the battery 5.
  • the shape of the slit 15 is not limited to the shape described in the embodiment.
  • the slits 15 may be formed in a lattice shape combining the circumferential direction and the axial direction of the battery.
  • the number of slits 15 can be increased, and the dehydration and heat absorption effect can be improved.
  • one or a plurality of slits 15 may be formed along a spiral shape like a female screw groove.
  • the number of the slits 15 is appropriately set in consideration of the viewpoint of increasing the dehydration endothermic effective area, the easiness of processing for forming the slits 15, and the like.
  • the number of battery cells that can be stored in the battery holder is not limited to eight, and may be seven or less or nine or more, and the number of battery storage units corresponding to the number may be sufficient.
  • the material of the battery holder is rubber or elastomer, any material may be used as long as it is an elastic body.
  • the shapes of the battery housing and the battery cells are cylindrical, they may be square or thin.
  • magnesium hydroxide magnesium sulfate heptahydrate, calcium hydroxide, zeolite, and the like.
  • any substance that exhibits a dehydration endothermic reaction may be used.
  • the dehydration endothermic reaction has been described as an example of the reaction of a substance that absorbs heat, other examples include a dehydrogenation endothermic reaction, a decarboxylation endothermic reaction, a denitrification endothermic reaction, and a deoxygenating endothermic reaction. Any substance exhibiting any reaction may be used as long as it is an endothermic substance.
  • An elastic body having a slit formed by kneading a dehydration endothermic substance may be provided in a protective member on the surface of the battery or a predetermined layer inside the laminate type battery. According to such a configuration, the impact resistance of the battery can be improved, and the battery can be effectively cooled when the battery generates abnormal heat. Further, an elastic body in which a dehydration heat absorbing substance is kneaded and a slit is formed may be used for a connection member or the like for connecting the battery to a substrate or the like.
  • a cylindrical lithium ion secondary battery has been described as an example, but in addition to this, any battery such as a sodium ion battery, an aluminum ion battery, a magnesium ion battery, a nickel metal hydride battery, and a lead battery can be used. (Regardless of whether the battery is a secondary battery or a primary battery). Further, the battery is not limited to the cylindrical shape, and batteries of other shapes such as a square battery and a polygonal battery may be applied without departing from the spirit of the invention.
  • FIG. 7 illustrates a configuration example of the electronic device 1601.
  • the electronic device 1601 in this example is, for example, a personal computer.
  • the electronic device 1601 includes a controller IC 1615, a sensor 1620, a host device 1616 that controls the electronic device 1601 overall, a display device 1612, and a battery pack 1617 as a power supply.
  • Sensor 1620 may include controller IC 1615.
  • the sensor 1620 is, for example, a camera that can photograph a user.
  • the sensor 1620 may measure biological information of the user or an environment (temperature, humidity, and the like) around the electronic device 1601.
  • the sensor 1620 outputs the detected output signal to the controller IC 1615.
  • the controller IC 1615 executes various controls based on an output signal from the sensor 1620.
  • the host device 1616 executes various processes based on information supplied from the controller IC 1615. For example, processing such as display of character information or image information on the display device 1612, movement of a cursor displayed on the display device 1612, scrolling of a screen, and the like are executed.
  • the display device 1612 is, for example, a flexible display device, and displays a screen based on a video signal, a control signal, and the like supplied from the host device 1616.
  • Examples of the display device 1612 include, but are not limited to, a liquid crystal display, an electro-luminescence (Electro Luminescence: EL) display, electronic paper, and the like.
  • the battery pack 1617 is a battery pack according to the above-described embodiment or a modification thereof.
  • the battery pack according to the embodiment or the modified example can be applied as a battery pack included in an electronic device.
  • the present invention is applicable to various electronic devices provided with a battery, and is not limited to the electronic device 1601 described in the above application example.
  • electronic devices other than the above-described application examples include a notebook personal computer, a tablet computer, a mobile phone (for example, a smartphone), a personal digital assistant (Personal Digital Assistants: PDA), a display device (LCD, EL display, electronic device).
  • Imaging devices eg, digital still cameras, digital video cameras, etc.
  • audio devices eg, portable audio players
  • game devices universal credit cards
  • sensor network terminals smart watches, glasses-type terminals (head-mounted displays (HMDs) ), Cordless phone cordless handset, electronic book, electronic dictionary, radio, headphones, navigation system, memory card, pacemaker, hearing aid, electric tools such as electric driver and chainsaw, electric Electric flying objects such as shavers and drones, refrigerators, air conditioners, televisions, stereos, water heaters, microwave ovens, dishwashers, washing machines, dryers, lighting equipment, toys, medical equipment, robots, road conditioners, traffic lights, other than those illustrated Mobile devices (for example, wearable devices that can be attached to and detached from the human body) and the like, but are not limited thereto.
  • HMDs head-mounted displays
  • FIG. 8 schematically shows a configuration of a hybrid vehicle employing a series hybrid system to which the present invention is applied.
  • the series hybrid system is a vehicle that runs on a power driving force conversion device using electric power generated by a generator driven by an engine or electric power once stored in a battery.
  • the hybrid vehicle 7200 includes an engine 7201, a generator 7202, a power driving force conversion device 7203, a driving wheel 7204a, a driving wheel 7204b, a wheel 7205a, a wheel 7205b, a power storage device 7208, a vehicle control device 7209, various sensors 7210, a charging port. 7211 is mounted.
  • the power storage device 7208 includes the battery pack according to any of the above-described embodiment and its modifications.
  • the hybrid vehicle 7200 runs using the power driving force conversion device 7203 as a power source.
  • An example of the power driving force conversion device 7203 is a motor.
  • the power of the power storage device 7208 activates the power driving force conversion device 7203, and the rotational force of the power driving force conversion device 7203 is transmitted to the driving wheels 7204a and 7204b.
  • DC-AC conversion DC-AC conversion
  • AC-DC conversion inverse conversion
  • the power driving force conversion device 7203 can be applied to either an AC motor or a DC motor.
  • the various sensors 7210 control the engine speed via the vehicle control device 7209 and control the opening of a throttle valve (not shown) (throttle opening).
  • the various sensors 7210 include a speed sensor, an acceleration sensor, an engine speed sensor, and the like.
  • the torque of the engine 7201 is transmitted to the generator 7202, and the power generated by the generator 7202 can be stored in the power storage device 7208 by the torque.
  • the power storage device 7208 can be connected to a power supply external to the hybrid vehicle, receive power from the external power supply using the charging port 7211 as an input port, and store the received power.
  • an information processing device that performs information processing on vehicle control based on information on the secondary battery may be provided.
  • an information processing apparatus for example, there is an information processing apparatus that displays the remaining battery level based on information regarding the remaining battery level.
  • the present invention can be effectively applied to a parallel hybrid vehicle in which the output of both the engine and the motor is used as a drive source, and the three modes of running only with the engine, running only with the motor, and running with the engine and the motor are appropriately switched and used. Applicable. Further, the present invention can be effectively applied to a so-called electric vehicle that travels only by a drive motor without using an engine.
  • the example of the hybrid vehicle 7200 to which the technology according to the present invention can be applied has been described above.
  • the technology according to the present invention can be suitably applied to the power storage device 7208 among the configurations described above.
  • the present invention can be applied to an electric vehicle other than the hybrid vehicle described above, specifically, an electric bicycle, an electric tricycle, an electric cart, and the like.

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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)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

La présente invention concerne un support de batterie qui est configuré à partir d'un corps élastique dans lequel une substance qui subit une réaction endothermique de déshydratation est malaxée. Ce support de batterie comprend une partie de récipient de batterie dans laquelle une batterie est contenue; et la surface de la partie de récipient de batterie est pourvue d'une fente.
PCT/JP2019/021088 2018-08-06 2019-05-28 Support de batterie, bloc-batterie, dispositif électronique et véhicule électrique WO2020031467A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201980051894.8A CN112534627B (zh) 2018-08-06 2019-05-28 电池支架、电池组、电子设备及电动车辆
JP2020536342A JP7063385B2 (ja) 2018-08-06 2019-05-28 電池ホルダ、電池パック、電子機器及び電動車両

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JP2018147414 2018-08-06
JP2018-147414 2018-08-06

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WO2020031467A1 true WO2020031467A1 (fr) 2020-02-13

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JP (1) JP7063385B2 (fr)
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WO2022101326A3 (fr) * 2020-11-13 2022-07-07 TGM Lightweight Solutions GmbH Agencement d'accumulateurs d'énergie dans un boîtier
JP7330586B1 (ja) 2022-04-07 2023-08-22 嘉▲興▼模度新能源有限公司 組電池の均等加圧装置、組電池の製造方法及び電池モジュール

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JP2013008655A (ja) * 2011-05-25 2013-01-10 Kojima Press Industry Co Ltd 電池保持構造
JP2013218931A (ja) * 2012-04-10 2013-10-24 Sanyo Electric Co Ltd バッテリパック
JP2014182965A (ja) * 2013-03-21 2014-09-29 Toyoda Gosei Co Ltd 電池ホルダおよび電池ホルダの製造方法
WO2017125985A1 (fr) * 2016-01-21 2017-07-27 パナソニックＩｐマネジメント株式会社 Module de batteries
JP2018081795A (ja) * 2016-11-15 2018-05-24 トヨタ自動車株式会社 電池モジュール

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022101326A3 (fr) * 2020-11-13 2022-07-07 TGM Lightweight Solutions GmbH Agencement d'accumulateurs d'énergie dans un boîtier
JP7330586B1 (ja) 2022-04-07 2023-08-22 嘉▲興▼模度新能源有限公司 組電池の均等加圧装置、組電池の製造方法及び電池モジュール
JP2023155208A (ja) * 2022-04-07 2023-10-20 嘉▲興▼模度新能源有限公司 組電池の均等加圧装置、組電池の製造方法及び電池モジュール

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JP7063385B2 (ja) 2022-05-09
CN112534627A (zh) 2021-03-19
JPWO2020031467A1 (ja) 2021-08-02

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