WO2019013029A1 - Module de batterie, système de stockage d'énergie de type conteneur, véhicule, système de stockage d'énergie, outil d'énergie électrique et dispositif électronique - Google Patents

Module de batterie, système de stockage d'énergie de type conteneur, véhicule, système de stockage d'énergie, outil d'énergie électrique et dispositif électronique Download PDF

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Publication number
WO2019013029A1
WO2019013029A1 PCT/JP2018/025051 JP2018025051W WO2019013029A1 WO 2019013029 A1 WO2019013029 A1 WO 2019013029A1 JP 2018025051 W JP2018025051 W JP 2018025051W WO 2019013029 A1 WO2019013029 A1 WO 2019013029A1
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WIPO (PCT)
Prior art keywords
battery
battery module
power
unit
module according
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PCT/JP2018/025051
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English (en)
Japanese (ja)
Inventor
龍也 安達
小野　洋明
勤 青山
Original Assignee
株式会社村田製作所
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Priority to JP2019529064A priority Critical patent/JP6958619B2/ja
Publication of WO2019013029A1 publication Critical patent/WO2019013029A1/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
    • H01M50/30—Arrangements for facilitating escape of gases
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • 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 technology relates to a battery module applicable to a container-type storage system, a vehicle, a storage system, an electric tool, an electronic device, and the like. More specifically, the present invention relates to a battery module provided with an exterior body that accommodates a battery unit in which a plurality of batteries are accommodated.
  • a battery such as a lithium ion battery, one or a plurality of battery blocks including a battery holder holding a plurality of the batteries, and a component such as a circuit board are accommodated in, for example, a plastic outer case It is formed by Further, the battery module is provided with, for example, an output in the form of a terminal.
  • This battery module is used as a power source of various electric devices used outdoors such as electronic devices such as notebook type PCs, assist bicycles, electric bikes, electric wheelchairs, electric tricycles, electric carts, electric tools, etc. Can. At the same time, there is an increasing demand for high power, long life, usable battery packs for use environments adapted to these applications.
  • the battery module is premised on a system that generates high output, so it is necessary to take measures against heat to cope with battery performance degradation due to heat generation from the battery. Furthermore, in the case where the battery case is made of metal, a short circuit may occur between the battery and the battery case, so insulation measures are also required.
  • a main storage case having a power output terminal, at least one submodule stored in the main storage case, and the main storage case And a control unit for controlling at least one of charging and discharging of the unit cells, wherein the sub-modules are provided with sub-modules so that the battery block consisting of a plurality of unit cells is not exposed.
  • a battery unit is disclosed in which two or more batteries are stored in a storage case, and the battery blocks are connected to each other by an electrical connection member.
  • a plurality of unit cells having an open portion for discharging gas generated inside the battery, a heat transfer member having a plurality of battery storage units for storing the plurality of unit cells, and A connecting member for first electrode and second electrode electrically connecting the cells arranged in the first electrode and the second electrode of the plurality of cells is provided, and the heat transfer member is provided in the plurality of battery storage portions.
  • a battery module is disclosed.
  • Patent Documents 1 and 2 may not be able to further improve the heat dissipation while having the insulating property.
  • the present technology has a battery storage unit for storing a plurality of batteries, and a battery unit in which a plurality of batteries stored in the battery storage unit are connected by connection tabs, an exterior body for accommodating the battery unit, an exterior body, And an insulator disposed between the battery units, wherein the insulator is in contact with the outer package and the battery unit, and the outer package and the battery unit are in close proximity to each other across the insulator.
  • the present technology controls power supply to a power storage device having a battery module according to the present technology, a power conversion device that converts power input from the battery module into desired power, and the power conversion device from the battery module.
  • a container-type power storage system including a control device, a power storage device, a power conversion device, and a container for housing the control device.
  • the present technology includes a driving force conversion device that receives supply of electric power from the battery module according to the present technology and converts it into a driving force of the vehicle, a driving unit that drives according to the driving force, and a vehicle control device.
  • a vehicle The present technology also includes a power storage device having a battery module according to the present technology, a power consumption device to which power is supplied from the battery module, a control device that controls power supply to the power consumption device from the battery module, and a battery module And a power generation device for charging the storage battery.
  • the present technology provides a power tool including the battery module according to the present technology and a movable part to which power is supplied from the battery module.
  • the battery module which concerns on this technique is provided, and the electronic device which receives supply of electric power from a battery module is provided.
  • FIG. 5 is a schematic cross-sectional view of a line segment AA of the battery unit shown in FIG. 4;
  • FIG. 5 is a partial enlarged plan view showing the surface of the battery unit shown in FIG. 4;
  • FIG. 7 is an enlarged cross-sectional schematic view of a line segment AA of the battery unit shown in FIG.
  • FIG. 6 It is a cross-sectional schematic diagram for demonstrating the battery module which does not have a degassing structure. It is a schematic diagram which shows the example of a degassing structure of the battery unit shown in FIG. It is a schematic diagram which shows the example of the degassing method of the battery module shown in FIG. It is a perspective view which shows the structural example of the container electrical storage system of 2nd Embodiment which concerns on this technique. It is a perspective view which shows the structural example of the vehicle of 3rd Embodiment which concerns on this technique. It is a perspective view which shows the structural example of the electrical storage system of 4th Embodiment which concerns on this technique. It is a block diagram showing an example of composition of an electric tool of a 5th embodiment concerning this art. It is a block diagram which shows the structural example of the electronic device of 6th Embodiment which concerns on this technique.
  • FIGS. 1 to 10 A battery module according to a first embodiment of the present technology will be described using FIGS. 1 to 10.
  • a battery module accommodating a cylindrical lithium ion secondary battery will be described.
  • the battery module 1 of the present embodiment includes an upper exterior case 2, an upper insulator 3, a battery unit 4, a lower insulator 5, and a lower portion.
  • An exterior case 6 is provided.
  • the upper exterior case 2 and the lower exterior case 6 form an exterior body for housing the battery unit 4.
  • the upper exterior case 2 and the lower exterior case 6 are, for example, housings made of metal such as aluminum or iron.
  • Upper exterior case 2 and lower exterior case 6 are each formed in a substantially rectangular plate shape, and the upper surface (upper surface) and lower surface (lower surface) of battery unit 4 are vertically opposed via upper insulator 3 and lower insulator 5. Covering. Further, at the end portions of the upper exterior case 2 and the lower exterior case 6, bent portions 7 and 8 bent in the direction of the battery unit 4 facing each other are formed.
  • the inner surfaces of the upper outer case 2 and the lower outer case 6 may be curved in the direction of contact with the upper insulator 3 and the lower insulator 5, respectively. With such a shape, the upper exterior case 2 and the lower exterior case 6 can enhance the adhesion to the battery unit 4.
  • Upper insulator 3 is formed in a substantially rectangular plate shape, and is disposed between upper outer case 2 and the surface of battery unit 4 in contact therewith.
  • lower insulator 5 is formed in a substantially rectangular plate shape, and is disposed between the back surface of battery unit 4 and lower exterior case 6 in contact therewith.
  • an insulating material such as polycarbonate can be used for the upper insulator 3 and the lower insulator 5.
  • upper insulator 3 and lower insulator 5 are disposed, for example, integrally covering the entire surface of the connection tabs on the front and back of battery unit 4 without break, and bonding or screwing to battery unit 4 with a double-sided adhesive tape or the like It is fixed.
  • Upper exterior case 2 and lower exterior case 6 and battery unit 4 are close to each other with upper insulator 3 and lower insulator 5 interposed therebetween. It is preferable that the proximity distance between the upper exterior case 2 and the lower exterior case 6 and the battery unit 4 is 0.4 mm to 0.8 mm.
  • upper outer case 2 and lower outer case 6, and upper insulator 3 and lower insulator 5 are in close contact with each other and fixed. With these configurations, the battery module 1 reduces the thermal resistance while maintaining the insulation property by minimizing the distance between the upper outer case 2 and the lower outer case 6 and the connection tab of the battery unit 4 and thus the heat radiation. Can be maximized.
  • FIG. 2 is a perspective view showing a configuration example of the battery unit 4 of the present embodiment.
  • FIG. 3 is a partially enlarged view showing a configuration example in a circle A which is a part of the battery unit 4 shown in FIG.
  • the battery unit 4 of the present embodiment has a battery accommodating portion 22 that accommodates a plurality of batteries 21, and connects the plurality of batteries 21 accommodated in the battery accommodating portion 22 with a connection tab 23. doing.
  • the batteries 21 whose surface side is the positive electrode 21a and the batteries 21 whose surface side is the negative electrode 21b are accommodated in the positive electrode side battery accommodating portion 22a and the negative electrode side battery accommodating portion 22b, respectively, and arranged alternately for each row It is done.
  • the battery housing portion 22 and the connection tab 23 do not have projections in the direction in which the upper insulator 3 is disposed on the surface of the battery unit 4.
  • the battery housing portion 22 and the connection tab 23 are not provided with projections in the direction in which the lower insulator 5 is disposed on the back surface of the battery unit 4.
  • at the end of the connection tab 23 there is formed an L-shaped bent portion 24 which is engaged with the recess of the battery housing portion 22 and which protrudes toward the battery housing portion 22.
  • the battery module 1 of the present embodiment makes the surface of the connection tab 23 flat by positioning the connection tab 23 at the L-shaped bent portion 24 of the connection tab 23.
  • the battery module 1 can minimize the thermal resistance by minimizing the distance between the upper exterior case 2 and the lower exterior case 6 and the connection tab 23, so that a high heat dissipation effect can be realized.
  • FIG. 4 is a partial plan view showing an example of the structure for degassing the surface of the battery unit 4.
  • FIG. 5 is a schematic cross-sectional view showing a cross section of the line segment AA of the battery unit 4.
  • FIG. 6 is a partial enlarged plan view showing the surface of the battery unit 4.
  • FIG. 7 is an enlarged schematic cross-sectional view of the line segment AA of the battery unit 4.
  • FIG. 8 is a schematic cross-sectional view for illustrating a battery module having no degassing structure.
  • FIG. 9A is a schematic plan view showing an example of the degassing structure of the battery unit 4.
  • FIG. 9B is a schematic cross-sectional view showing an example of the degassing structure of the battery unit 4.
  • one or a plurality of guiding grooves for guiding high temperature gas generated from the electrode on the positive electrode side to the positive electrode side battery housing portion 22a. 25 are provided.
  • the guide groove 25 is formed in a substantially semicircular rod shape with its tip extending in the planar direction of the connection tab 23 from the circumference of the positive electrode side battery housing portion 22a having a circular planar shape.
  • the guide grooves 25 of the respective positive electrode side battery accommodating portions 22 a extend in the same direction on the plane of the connection tab 23. Furthermore, as shown in FIG. 5 and FIG.
  • the guiding groove 25 extends from the substantially semicircular portion of the tip in the erecting direction of the battery 21. That is, the cross-sectional shape of the guiding groove 25 is formed in an L shape in contact with the positive electrode surface and the side surface of the battery 21.
  • the guide groove can be provided in the negative electrode side battery housing portion.
  • the degassing structure when the degassing structure is not formed in the battery accommodating portion 31 that accommodates the battery 21, the distance between the upper exterior case 2 and the connection tab 23 is minimized, and the battery 21 is When the abnormal heat is generated and the high temperature gas is ejected from the inside of the battery 21, it becomes difficult to release the high temperature gas to the outside. As a result, the high temperature gas may be compressed, the temperature may be higher, heat may be transmitted to the other battery 21, and propagation may occur.
  • the positive electrode side battery housing portion 22a of the present embodiment is provided with a guide groove 25 for discharging the high temperature gas generated from the positive electrode 21a side of the battery 21 to the outside.
  • the battery housing portion 22 of the present embodiment is provided with a gas discharge hole 41 communicating with the guide groove 25 and discharging the high temperature gas having passed through the guide groove 25 to the outside.
  • the gas discharge hole 41 is formed at the center of the battery unit 4 in the thickness direction.
  • the gas discharge holes 41 can be formed in a semicircular shape in cross section.
  • the battery module 1 of the present embodiment includes the upper groove case 2 and the lower wall case 6 by providing high temperature gas generated from the inside of the battery 21 by providing the induction groove 25 and the gas discharge hole 41 in the battery housing 22. Of the battery module 1 in the gap between the two. As a result, the battery module 1 can improve safety while securing insulation and heat dissipation.
  • FIG. 10A is a schematic cross-sectional view showing the battery module 1 before degassing.
  • FIG. 10B is a schematic view showing the state of gas passing through the inside of the battery module 1 during degassing.
  • a high temperature gas may be generated inside the battery 21 and the high temperature gas may be ejected from the positive electrode 21 a side.
  • the ejected high temperature gas is guided from the positive electrode 21 a side to the tip of the guide groove 25 in the plane direction through the guide groove 25 formed in the positive electrode side battery housing portion 22 a.
  • the high temperature gas guided to the tip end in the planar direction of the guide groove 25 further passes through the guide groove 25 extending in the vertical direction of the cell 21 from the bottom, and the central portion in the thickness direction of the battery unit 4 To the gas discharge hole 41 formed in the
  • the high temperature gas guided to the gas discharge hole 41 is discharged therefrom to the space of the battery module 1 and the outside of the battery module 1 through the gas discharge hole 41.
  • the thin upper insulator 3 and the lower insulator 5 are closely arranged with the double-sided adhesive tape or the like between the upper outer case 2 and the lower outer case 6 and the battery unit 4.
  • the thermal resistance is minimized by bringing the connection tab 23 into close proximity with the metallic upper and lower exterior cases 2 and 6 while securing the insulation property, and the battery 21 and the upper and lower exterior cases 2 and The heat dissipation effect to the case 6 can be enhanced.
  • the position of battery 21 in battery module 1 is achieved by bringing upper insulator 3 and lower insulator 5 into close contact with upper outer case 2 and lower outer case 6 with connection tab 23. Fixation can be enhanced. Moreover, the battery module 1 can make positioning of the battery 21 and the connection tab 23 easy by making the connection tab 23 into the shape along the slot provided in the predetermined position of the battery accommodating part 22.
  • FIG. 1 when the internal short circuit of the battery 21 occurs, the connection tab 23 between the batteries 21 plays a role of a large current fuse, so the abnormal propagation to the battery 21 around it. You can also prevent it. Further, in FIG.
  • connection tab 23 in the battery module 1, one connection tab 23 is disposed in line symmetry with respect to a center line in the left-right direction center of the surface of the battery unit 4. With this configuration, in the battery module 1, since the connection tabs 23 are symmetrical with respect to the center line, an assembly error can be prevented, and handling at the time of manufacture can be facilitated.
  • Table 1 shows the battery 21 in the battery module 1 when the distance (thickness of the insulators 3 and 5) between the outer casings 2 and 6 and the battery unit 4 is changed by 0.4 mm to 2.0 mm.
  • the experiment 1 to 5 which measured the temperature rise of is shown.
  • the temperature rise of the battery 21 is measuring the temperature of the battery 21 which became the maximum among several batteries 21.
  • FIG. 1 to Experiment 5 the discharge conditions are continuously discharged at 4 ° C., and the ambient temperature of the battery module 1 is set to 45 ° C.
  • the temperature rise value can be obtained, for example, by (temperature of battery module 1-atmosphere temperature 45 ° C.).
  • “judgement” is “OK” when the temperature increase value is 30 ° C. or less, and “NG” when the temperature increase value exceeds 30 ° C. If the temperature rise value exceeds 30 ° C., the temperature of the battery module 1 exceeds 75 ° C., and the life of the battery 21 may be significantly reduced.
  • the temperature rise of the battery 21 needs to be suppressed to 30 ° C. in order to improve the heat dissipation of the battery module 1 and to suppress the decrease in the life of the battery 21. From this, it was found that the distance between the outer casings 2 and 6 and the battery unit 4 is preferably in the range of 0.4 mm to 0.8 mm.
  • a container power storage system includes a power storage device having the battery module of the first embodiment according to the present technology, and a power conversion device that converts power input from the battery module into desired power. It is a container-type electrical storage system provided with the control apparatus which controls the electric power supply with respect to the power converter device from a battery module, and the electrical storage apparatus, the container which accommodates a power converter device and a control apparatus.
  • the container power storage system of the second embodiment according to the present technology includes the battery module of the first embodiment according to the present technology having excellent maintainability and excellent reliability, so that maintenance performance and reliability of power storage are achieved. Lead to improvement of
  • FIG. 11 shows an internal structure divided into two by a dividing line in the longitudinal direction of a substantially rectangular parallelepiped container type storage system 110.
  • the container-type storage system 110 includes a conductive container 111, a DC input / output panel 112, an AC-DC converter INV, and strings ST1 to ST14.
  • the container 111 is, as an example, a metal box having a length of 40 feet. Inside the container type storage system 110, a longitudinally extending passage is formed at the center in the width direction so as to allow a person to walk. At the ceiling of the container 111, a wiring duct is provided. In the wiring duct, a DC power wiring Lp, a communication wiring Lc, and the like are passed. The container 111 is connected to the ground through the grounding means LE1.
  • the AC / DC converter INV and the DC input / output panel 112 are housed in the container 111.
  • the AC-DC converter INV is, for example, a power converter that converts the power input from the battery module 1 into a desired power.
  • the DC input / output board 112, the AC / DC converter INV and the DC input / output board 112 are electrically connected to the container 111, and are grounded through the container 111.
  • the strings ST1 to ST14 are arranged by stacking a plurality of storage modules M and dividing in parallel in the longitudinal direction of the container 111.
  • the strings ST1 to ST7 are provided on the back side of FIG. 11, and the strings ST8 to ST14 are provided on the front side.
  • One string ST is configured by storing a battery management unit BMU and 16 (2 rows ⁇ 8 stages) storage modules M in a metal battery rack.
  • the plurality of battery racks are arranged to be mechanically and electrically connectable.
  • the storage module M of each string ST is placed on the shelf board of each battery rack, and the ground point is electrically connected to the shelf board.
  • Each battery rack is electrically connected to the container 111 and grounded through the container 111.
  • the storage modules M1 to M16 accommodated in each string ST are connected in series with each other, and the positive electrode terminal side and the negative electrode terminal side of the series connection are connected to the battery management unit BMU.
  • the battery management unit BMU and the AC-DC converter INV (power conditioner PCS) are connected by a DC power line Lp.
  • the communication terminals of the storage modules M1 to M16 are sequentially connected and connected to the communication terminal of the battery management unit BMU.
  • the battery management unit BMU and the system controller SYS are connected by the communication wiring Lc.
  • the container 111 accommodates a line concentrator HUB for collecting communication lines Lc of a plurality of strings ST.
  • a vehicle according to a third embodiment of the present technology includes a battery module according to the first embodiment of the present technology, a driving force conversion device that receives supply of power from the battery module and converts it into driving force of the vehicle, and driving force. It is a vehicle provided with the drive part driven according to, and a vehicle control apparatus.
  • the vehicle of the third embodiment according to the present technology includes the battery module of the first embodiment according to the present technology having excellent maintainability and excellent reliability, so that maintenance performance and reliability of the vehicle can be improved. Connect.
  • FIG. 12 schematically illustrates an example of a configuration of a hybrid vehicle that employs a series hybrid system to which the present technology is applied.
  • the series hybrid system is a car that travels by a power drive conversion device using power generated by a generator driven by an engine or power stored in a battery.
  • the hybrid vehicle 7200 includes an engine 7201, a generator 7202, an electric power driving force converter 7203, driving wheels 7204 a, driving wheels 7204 b, wheels 7205 a, wheels 7205 b, batteries 7208, vehicle control devices 7209, various sensors 7210, and charging ports 7211. Is mounted. A power storage device (not shown) is applied to the battery 7208.
  • Hybrid vehicle 7200 travels using electric power / driving force conversion device 7203 as a power source.
  • An example of the power driving force converter 7203 is a motor.
  • the electric power driving force converter 7203 is operated by the electric power of the battery 7208, and the rotational force of the electric power driving force converter 7203 is transmitted to the driving wheels 7204a and 7204b.
  • DC-AC direct current to alternating current
  • AC to DC conversion AC to DC conversion
  • the power drive conversion device 7203 can be applied to either an alternating current motor or a direct current motor.
  • the various sensors 7210 control the engine speed via the vehicle control device 7209 and control the opening degree (throttle opening degree) of a throttle valve (not shown).
  • the various sensors 7210 include a speed sensor, an acceleration sensor, an engine speed sensor, and the like.
  • the rotational power of the engine 7201 is transmitted to the generator 7202, and it is possible to store the power generated by the generator 7202 in the battery 7208 by the rotational power.
  • the battery 7208 can be connected to a power supply external to the hybrid vehicle to receive power from the external power supply using the charging port 211 as an input port, and store the received power.
  • an information processing apparatus that performs information processing related to vehicle control based on information related to the secondary battery may be provided.
  • an information processing apparatus there is, for example, an information processing apparatus that displays a battery remaining amount based on information on a battery remaining amount.
  • the series hybrid vehicle traveling by the motor using the power generated by the generator driven by the engine or the power temporarily stored in the battery has been described as an example.
  • the present disclosure is also effective for a parallel hybrid vehicle in which the engine and motor outputs are both drive sources, and travel is performed only by the engine, travel by only the motor, and engine and motor travel appropriately switched and used. It is applicable.
  • the present technology can be effectively applied to a so-called electric vehicle that travels by driving only by a drive motor without using an engine.
  • a power storage system includes a power storage device having the battery module according to the first embodiment of the present technology, a power consumption device to which power is supplied from the battery module, and a power consumption device from the battery module And a power generation device for charging the battery module.
  • the storage system of the fourth embodiment according to the present technology includes the battery module of the first embodiment according to the present technology having excellent maintainability and excellent reliability, so that maintenance performance and reliability of power storage can be improved. It leads to improvement.
  • electric power is supplied from a centralized electric power system 9002 such as thermal power generation 9002 a, nuclear power generation 9002 b, hydroelectric power generation 9002 c to power network 9009, information network 9012, smart meter 9007, power hub 9008, etc.
  • Power storage device 9003 is supplied.
  • power is supplied to the power storage device 9003 from an independent power source such as a home power generation device 9004.
  • Power supplied to power storage device 9003 is stored.
  • Power storage device 9003 is used to supply power used in house 9001.
  • the same storage system can be used not only for the house 9001 but also for the building.
  • the house 9001 is provided with a power generation device 9004, a power consumption device 9005, a power storage device 9003, a control device 9010 for controlling each device, a smart meter 9007, and a sensor 9011 for acquiring various information.
  • the respective devices are connected by a power network 9009 and an information network 9012.
  • a solar cell, a fuel cell, or the like is used as the power generation device 9004, and the generated electric power is supplied to the power consumption device 9005 and / or the power storage device 9003.
  • the power consumption device 9005 is, for example, a refrigerator 9005a, an air conditioner 9005b, a television receiver 9005c, and a bath 9005d.
  • the power consumption device 9005 includes an electric vehicle 9006.
  • An electric vehicle 9006 is an electric car 9006 a, a hybrid car 9006 b, and an electric bike 9006 c.
  • Power storage device 9003 is formed of a secondary battery or a capacitor.
  • the lithium ion battery may be a stationary type or may be used in the electric vehicle 9006.
  • the smart meter 9007 has a function of measuring the usage amount of commercial power and transmitting the measured usage amount to the power company.
  • the power network 9009 may combine one or more of direct current feed, alternating current feed, and non-contact feed.
  • the various sensors 9011 are, for example, a human sensor, an illuminance sensor, an object detection sensor, a power consumption sensor, a vibration sensor, a contact sensor, a temperature sensor, an infrared sensor, and the like.
  • the information acquired by the various sensors 9011 is transmitted to the control device 9010.
  • the control device 9010 can transmit information on the home 9001 to an external power company or the like via the Internet.
  • the power hub 9008 performs processing such as branching of power lines and DC / AC conversion.
  • a communication method of the information network 9012 connected to the control device 9010 a method using a communication interface such as UART (Universal Asynchronous Receiver-Transmitter: transmission / reception circuit for asynchronous serial communication), Bluetooth (registered trademark), ZigBee, Wi-Fi
  • UART Universal Asynchronous Receiver-Transmitter: transmission / reception circuit for asynchronous serial communication
  • Bluetooth registered trademark
  • ZigBee Wi-Fi
  • the Bluetooth (registered trademark) system is applied to multimedia communication, and can perform one-to-many connection communication.
  • ZigBee uses the physical layer of IEEE (Institute of Electrical and Electronics Engineers) 802.15.4.
  • IEEE 802.15.4 is a name of a short distance wireless network standard called PAN (Personal Area Network) or W (Wireless) PAN.
  • the control device 9010 is connected to an external server 9013.
  • the server 9013 may be managed by any one of a house 9001, a power company, and a service provider.
  • the information transmitted and received by the server 9013 is, for example, power consumption information, life pattern information, power rates, weather information, natural disaster information, and information on power transactions.
  • These pieces of information may be transmitted and received from a home power consumption device (for example, a television receiver), but may be transmitted and received from a device outside the home (for example, a cellular phone or the like).
  • These pieces of information may be displayed on a device having a display function, for example, a television receiver, a mobile phone, a PDA (Personal Digital Assistants), or the like.
  • a control device 9010 that controls each unit is configured of a central processing unit (CPU), a random access memory (RAM), a read only memory (ROM), and the like, and is stored in the power storage device 9003 in this example.
  • Control device 9010 is connected to power storage device 9003, home power generation device 9004, power consumption device 9005, various sensors 9011, server 9013, and information network 9012, and has a function to adjust, for example, the usage amount of commercial power and the power generation amount. have. In addition, it may be equipped with the function etc. which perform power exchange in an electric power market.
  • the power storage device 9003 may store the generated power of not only the centralized power system 9002 such as the thermal power 9002 a, the nuclear power 9002 b, and the hydraulic power 9002 c but also the home power generation device 9004 (solar power generation, wind power generation). it can. Therefore, even if the power generated by the home power generation device 9004 fluctuates, control can be performed such that the amount of power to be transmitted to the outside can be made constant or discharge can be performed as necessary.
  • the power obtained by solar power generation is stored in power storage device 9003, and late-night power with low charge is stored in power storage device 9003 at night, and the power stored by power storage device 9003 is discharged in the time zone where the charge in the daytime is high. Can also be used.
  • control device 9010 is stored in power storage device 9003
  • it may be stored in smart meter 9007 or may be configured alone.
  • power storage system 9100 may be used for a plurality of households in an apartment house, or may be used for a plurality of detached houses.
  • the power tool according to the fifth embodiment of the present technology is a power tool including the battery module of the first embodiment according to the present technology and a movable part to which power is supplied from the battery module.
  • the power tool of the fifth embodiment according to the present technology includes the battery module of the first embodiment according to the present technology having excellent maintainability and excellent reliability, so that maintenance performance and reliability of the power tool can be improved. It leads to improvement.
  • FIG. 14 shows a block configuration of the power tool.
  • the electric power tool is, for example, an electric drill, and includes a control unit 99 and a power supply 100 inside a tool body 98 formed of a plastic material or the like.
  • a drill portion 101 which is a movable portion is attached to the tool body 98 so as to be operable (rotatable).
  • the control unit 99 controls the operation of the entire power tool (including the use state of the power supply 100), and includes, for example, a CPU.
  • Power supply 100 includes one or more solid state batteries (not shown).
  • the control unit 99 supplies power from the power supply 100 to the drill unit 101 in response to the operation of an operation switch (not shown).
  • the electronic device of the sixth embodiment according to the present technology is an electronic device that includes the battery module of the first embodiment according to the present technology and receives supply of power from the battery module.
  • the electronic device according to the sixth embodiment of the present technology is a device that exhibits various functions as a battery module as a power supply (power supply source) for driving.
  • the electronic device of the sixth embodiment according to the present technology includes the battery module of the first embodiment according to the present technology having excellent maintainability and excellent reliability, so that maintenance performance and reliability of the electronic device can be improved. It leads to improvement.
  • the electronic device 400 includes the electronic circuit 401 of the electronic device main body and the battery pack 300.
  • the battery pack 300 is electrically connected to the electronic circuit 401 via the positive electrode terminal 331a and the negative electrode terminal 331b.
  • the electronic device 400 has, for example, a configuration in which the user can attach and detach the battery pack 300.
  • the configuration of the electronic device 400 is not limited to this, and the battery pack 300 is built in the electronic device 400 so that the user can not remove the battery pack 300 from the electronic device 400. May be
  • the positive electrode terminal 331a and the negative electrode terminal 331b of the battery pack 300 are connected to the positive electrode terminal and the negative electrode terminal of a charger (not shown), respectively.
  • the positive electrode terminal 331a and the negative electrode terminal 331b of the battery pack 300 are connected to the positive electrode terminal and the negative electrode terminal of the electronic circuit 401, respectively.
  • the electronic device 400 for example, a laptop personal computer, a tablet computer, a mobile phone (for example, a smartphone), a personal digital assistant (PDA), an imaging device (for example, a digital still camera, a digital video camera, etc.) Audio equipment (eg portable audio players), gaming machines, cordless handsets, electronic books, electronic dictionaries, radios, headphones, navigation systems, memory cards, memory cards, pacemakers, hearing aids, lighting equipment, toys, medical equipment, robots etc. Although it is mentioned, it is not limited to this. As a specific example, a head-mounted display and a band-type electronic device will be described.
  • a head-mounted display and a band-type electronic device will be described.
  • the head-mounted display includes an image display device, a mounting device for mounting the image display device on the head of an observer, and the image display device
  • the electronic device includes the attachment member for attaching the attachment device to the attachment device, and the solid state batteries according to the first to third embodiments of the present technology are used as a power supply for driving, and the band type electronic device is connected in a band shape.
  • the solid-state battery according to any one of the first to third embodiments of the present technology as the electronic component is a source electronic device provided in the segment.
  • the electronic circuit 401 includes, for example, a central processing unit (CPU), a peripheral logic unit, an interface unit, a storage unit, and the like, and controls the entire electronic device 400.
  • Battery pack 300 includes battery assembly 301 and charge / discharge circuit 302.
  • the battery assembly 301 is configured by connecting a plurality of secondary batteries 301 a in series and / or in parallel.
  • the plurality of secondary batteries 301a are connected to, for example, n parallel m series (n and m are positive integers).
  • FIG. 6 shows an example in which six secondary batteries 301a are connected in two parallel three series (2P3S).
  • As the secondary battery 301a a secondary battery according to the first embodiment or the modification thereof is used.
  • the charge and discharge circuit 302 controls charging of the assembled battery 301.
  • the charge / discharge circuit 302 controls discharge to the electronic device 400.

Landscapes

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

Abstract

La présente invention concerne un module de batterie dans lequel la dissipation de chaleur est améliorée tandis que les propriétés d'isolation sont maintenues. Le module de batterie de la présente invention comprend : une unité de batterie ayant une partie de logement de batterie pour loger une pluralité de batteries, la pluralité de batteries logées dans l'unité de logement de batterie étant interconnectées par une languette de connexion; un corps extérieur pour loger l'unité de batterie, et un isolant placé entre le corps extérieur et l'unité de batterie. L'isolant entre en contact avec le corps extérieur et l'unité de batterie, et le corps extérieur et l'unité de batterie sont à proximité immédiate de l'isolant.
PCT/JP2018/025051 2017-07-10 2018-07-02 Module de batterie, système de stockage d'énergie de type conteneur, véhicule, système de stockage d'énergie, outil d'énergie électrique et dispositif électronique WO2019013029A1 (fr)

Priority Applications (1)

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JP2019529064A JP6958619B2 (ja) 2017-07-10 2018-07-02 電池モジュール、コンテナ型蓄電システム、車両、蓄電システム、電動工具および電子機器

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JP2017-134805 2017-07-10
JP2017134805 2017-07-10

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WO2019013029A1 true WO2019013029A1 (fr) 2019-01-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7364101B1 (ja) * 2023-01-19 2023-10-18 Tdk株式会社 蓄電池用仕切りシートおよび蓄電池システム

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06223804A (ja) * 1993-01-26 1994-08-12 Matsushita Electric Works Ltd 電池パック
WO2013077205A1 (fr) * 2011-11-21 2013-05-30 三洋電機株式会社 Bloc d'éléments
JP2017091824A (ja) * 2015-11-11 2017-05-25 トヨタ自動車株式会社 電池ユニット

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06223804A (ja) * 1993-01-26 1994-08-12 Matsushita Electric Works Ltd 電池パック
WO2013077205A1 (fr) * 2011-11-21 2013-05-30 三洋電機株式会社 Bloc d'éléments
JP2017091824A (ja) * 2015-11-11 2017-05-25 トヨタ自動車株式会社 電池ユニット

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7364101B1 (ja) * 2023-01-19 2023-10-18 Tdk株式会社 蓄電池用仕切りシートおよび蓄電池システム

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