WO2011145542A1 - 電池ユニットおよび電源装置 - Google Patents
電池ユニットおよび電源装置 Download PDFInfo
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- WO2011145542A1 WO2011145542A1 PCT/JP2011/061141 JP2011061141W WO2011145542A1 WO 2011145542 A1 WO2011145542 A1 WO 2011145542A1 JP 2011061141 W JP2011061141 W JP 2011061141W WO 2011145542 A1 WO2011145542 A1 WO 2011145542A1
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- Prior art keywords
- tray
- battery
- power supply
- laminated
- supply device
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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
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
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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
- H01M50/204—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
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- 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 unit including a plurality of electrically connected laminated batteries and a power supply apparatus including the battery unit.
- NAS batteries sodium-sulfur battery
- lead storage battery there is a NAS battery (sodium-sulfur battery) as an alternative to this lead storage battery.
- NAS batteries are more compact and have higher energy density than lead acid batteries.
- the NAS battery has a high operating temperature range of about 300 ° C., and large-scale incidental equipment including a heater for heating is necessary to operate the NAS battery. Further, since the NAS battery needs to be heated to the operating temperature range in order to operate properly, it takes time to operate.
- lithium ion secondary batteries have attracted attention as batteries that can replace NAS batteries.
- Lithium ion secondary batteries can operate at room temperature and have a high energy density.
- the lithium ion secondary battery has low impedance, it is excellent in responsiveness.
- lithium ion secondary battery examples include a cylindrical or flat rectangular battery in which a battery element is enclosed in a can-like container, a laminated battery in which a battery element is enclosed in a flexible film, and the like.
- Laminated batteries are generally flat and positive and negative electrodes are drawn out of the flexible film.
- Patent Document 1 describes a power supply device to which a laminated battery is applied.
- a plurality of laminated batteries are arranged in the horizontal direction and the vertical direction.
- each laminated battery is accommodated in a casing.
- an object of the present invention is to provide a battery unit capable of easily performing maintenance of a laminated battery, and a power supply device including the battery unit.
- a battery unit includes a plurality of electrically connected laminated batteries, and a tray on which a plurality of laminated batteries are placed and another tray on which the plurality of laminated batteries are placed.
- a tray configured to be stackable.
- a pressure release portion for releasing the pressure generated inside each of the plurality of laminate batteries to the outside is provided on each outer peripheral portion of the plurality of laminate batteries.
- Each of the plurality of laminated batteries has a pressure release portion disposed adjacent to the outer peripheral portion of the tray.
- the maintenance of the laminated battery placed on the tray can be easily performed.
- FIG. 4B is a cross-sectional view taken along line A-A ′ shown in FIG. 4A. It is a perspective view which shows the power supply device of 1st Embodiment.
- 5B is a cross-sectional view taken along line B-B ′ shown in FIG. 5A. It is a perspective view which shows the power supply device of 1st Embodiment. It is the schematic which shows the ion conduction path
- FIG. 1A and 1B are perspective views of the battery unit 1 according to the first embodiment as viewed from above.
- the battery unit 1 is shown from the opposite side of the horizontal direction to the orientation shown in FIG. 1A.
- the battery unit 1 of the present embodiment includes three flat laminated batteries 2a, 2b, 2c and a tray 3 on which the laminated batteries 2a, 2b, 2c are attached.
- lithium ion secondary batteries are used as the laminated batteries 2a, 2b, and 2c.
- the laminated battery is not limited to a lithium ion secondary battery, and other laminated batteries such as a nickel hydride battery may be used.
- the three laminated batteries 2a, 2b, and 2c are arranged side by side on the tray 3 so that the positive electrode and the negative electrode face each other. That is, the positive and negative electrodes of the laminated batteries 1a and 1c are oriented in the same direction, and the positive and negative electrodes of the laminated battery 1b disposed between the laminated batteries 1a and 1c are the positive and negative electrodes of the laminated batteries 1a and 1c. It faces the opposite direction to the negative electrode.
- the positive electrode of the laminated battery 1a and the negative electrode of the laminated battery 1b are electrically connected by the bus bar 4a, and the positive electrode of the laminated battery 2b and the negative electrode of the laminated battery 2c are electrically connected by the bus bar 4b.
- the laminated batteries 2a, 2b, 2c are connected in series.
- a bus bar 4c is provided on the negative electrode of the laminate 1a, and a bus bar 4d is provided on the positive electrode of the laminate 1c. That is, the bus bar 4 c is a positive terminal of the battery unit 1, and the bus bar 4 d is a negative terminal of the battery unit 1.
- the bus bars 4a, 4b, 4c, and 4d are made of copper or a copper-based compound that has a relatively high electrical conductivity and is relatively inexpensive.
- the bus bars 4a, 4b, 4c, and 4d are preferably formed of a material having high electrical conductivity, and may be formed of, for example, silver or a silver-based compound.
- the bus bars 4a, 4b, 4c, and 4d may be formed of inexpensive iron or the like in order to reduce manufacturing costs.
- the bus bars 4a, 4b, 4c and 4d are screwed to the tray 3 with the positive and negative electrodes of the laminated batteries 2a, 2b and 2c interposed therebetween. Thereby, the bus bars 4a, 4b, 4c, 4d are electrically connected to the positive and negative electrodes of the corresponding laminated batteries 2a, 2b, 2c, respectively, and the laminated batteries 2a, 2b, 2c are mechanically connected to the tray 3. It is fixed to.
- the laminated batteries 2a, 2b, 2c can be detached from the tray 3 by removing the bus bars 4a, 4b, 4c, 4d, and conversely, can be attached to the tray 3 by the bus bars 4a, 4b, 4c, 4d. It is.
- the laminated batteries 2a, 2b, 2c can be attached and detached very easily by the bus bars 4a, 4b, 4c, 4d.
- the battery unit 1 of the present embodiment has a small number of parts when the laminated batteries 2a, 2b, and 2c are attached and detached.
- FIGS. 2A and 2B are perspective views of the tray 3 as viewed from above.
- the tray 3 will be described in detail with reference to FIGS. 2A and 2B.
- the tray 3 is formed of a material having heat resistance and insulating properties.
- the tray 3 in the present embodiment is made of polycarbonate resin.
- the material for forming the tray 3 may be any material having insulating properties such as polypropylene polyethylene, nylon, and PET (polyethylene terephthalate).
- the tray 3 is formed with a stacking portion 9a on which the laminated battery 2a is loaded, a loading portion 9b on which the laminated battery 2b is loaded, and a loading portion 9c on which the laminated battery 2c is loaded.
- the stacking portions 9a, 9b, and 9c are formed in a concave shape that accommodates the laminated batteries 2a, 2b, and 2c, respectively.
- Two protrusions 5a protruding upward are formed at the end of the tray 3 on the stacking portion 9a side, and two protrusions 5b protruding upward are formed at the end of the stacking portion 9c side. Yes.
- the protrusions 5a are formed at wider intervals than the protrusions 5b.
- the tray 3 Since the tray 3 has an insulating property, parts that insulate the laminated batteries 2a, 2b, and 2c stacked on the stacking portions 9a, 9b, and 9c of the tray 3 become unnecessary. Therefore, in the battery unit 1 of this embodiment, the number of parts can be reduced and a simple configuration can be realized.
- FIG. 3A shows a top view of the tray 3, and FIG. 3B shows a bottom view of the tray 3.
- FIG. 3B a hole 6a corresponding to the protrusion 5a and a hole 6a corresponding to the protrusion 5b are formed on the back surface of the tray 3.
- the tray 3 is provided on the upper surface of the battery unit 1 so that the two protrusions 5a and the two holes 6a are fitted and the two protrusions 5b and the two holes 6b are fitted.
- the tray 3 can be overlapped with another tray 3 by rotating 180 ° about the central axis perpendicular to the upper surface and the lower surface with respect to the tray 3 different from the tray 3. It has become.
- the protrusions 5a and 5b and the holes 6a and 6b function as a restricting portion that restricts movement of the tray 3 in a direction different from the stacking direction by fitting the trays 3 in a stacked state. For this reason, even when a large number of trays 3 are stacked, it is possible to prevent the positions of the respective trays 3 from being displaced and the stacked trays 3 from being collapsed.
- the trays 3 adjacent to each other in the stacking direction have the end portions on the stacking portion 9a side facing in opposite directions. That is, in the state where the trays 3 are stacked, the trays 3 adjacent to each other in the stacking direction have the stacking unit 9a and the stacking unit 9c adjacent to each other in the stacking direction, and the stacking unit 9b is continuous in the stacking direction. If the trays 3 adjacent to each other in the stacking direction are stacked in the same direction, the protrusions 5a and the holes 6a are not fitted and a normal stacking state is not achieved.
- the tray 3 can be stacked on each other even when the laminated batteries 2a, 2b, 2c are attached to the tray 3 by the bus bars 4a, 4b, 4c, 4d bus bars 4a, 4b, 4c, 4d. That is, the battery units 1 can be stacked on each other.
- FIG. 4A shows a perspective view of seven battery units 1 of the present embodiment that are stacked.
- FIG. 4B shows a cross-sectional view along the line A-A ′ in FIG. 4A. As shown in FIG. 4B, the laminated battery 2 a and the laminated battery 2 c are alternately arranged in the stacking direction of the tray 3 in a state where the battery units 1 are stacked.
- the bus bar 4c as the positive electrode and the bus bar 4d as the negative electrode are reversed. Therefore, as shown in FIG. 4A, in adjacent battery units 1, the bus bar 4c and the bus bar 4d are adjacent to each other.
- an insulating portion 7 is formed on the tray 3.
- the insulating part 7 is made of the same material as that of the tray 3 and is arranged adjacent to the lower side of the tray 3 where the bus bar 4c is attached. On the other hand, the insulating portion 7 is not provided on the lower side of the tray 3 where the bus bar 4d is attached.
- an insulating portion 7 is formed between the bus bar 4c and the bus bar 4d adjacent to the lower side of the bus bar 4c.
- the insulating part 7 having insulation functions to prevent the bus bar 4c and the bus bar 4d adjacent to the lower side of the bus bar 4c from being electrically connected.
- the insulating portion 7 is not formed between the bus bar 4c and the bus bar 4d adjacent to the upper side of the bus bar 4c.
- the bus bar 4d and the bus bar adjacent to the lower side of the bus bar 4d are similarly used.
- FIG. 5A shows a perspective view of a power supply device 10 formed by stacking seven battery units 1 of the present embodiment.
- FIG. 5B shows a cross-sectional view along the line B-B ′ in FIG. 5A.
- the power supply device 10 is configured by electrically connecting the battery units 1 shown in FIG.
- the connecting member 8 is attached to the bus bar 4d and the bus bar 4c adjacent to the lower side of the bus bar 4d by screwing or the like. Thereby, the bus bar 4d and the bus bar 4c adjacent to the lower side of the bus bar 4d are electrically connected and mechanically connected.
- the adjacent battery units can be easily connected by the connecting member 8. Is possible.
- the battery unit 1 includes three laminated batteries 2a, 2b, and 2c connected in series.
- the number of laminated batteries included in the battery unit 1 may be an odd number. If the number of laminated batteries provided in the battery unit 1 is an odd number, when the tray 3 is rotated by 180 ° about the central axis orthogonal to the upper surface and the lower surface, the bus bar as the positive electrode and the bus bar as the negative electrode This is because the structure is reversed. On the other hand, when the number of laminated batteries included in the battery unit is an even number, the positive bus bar and the negative bus bar are reversed even if the tray 3 is rotated 180 ° about the central axis orthogonal to the upper and lower surfaces. It is not the structure to do.
- the connecting member 8 is formed of copper or a copper-based compound that has a high electrical conductivity and is relatively inexpensive, like the bus bars 4a, 4b, 4c, and 4d.
- the connection member 8 is desirably formed of a material having high electrical conductivity, and may be formed of, for example, silver or a silver-based compound. Further, the connecting member 8 may be formed of inexpensive iron or the like in order to reduce manufacturing costs.
- the insulating portion 7 may be formed adjacent to the lower side of the tray 3 where the bus bar 4d is attached. In this case, the insulating portion 7 is not formed below the position of the tray 3 where the bus bar 4c is attached, and the connection member 8 is screwed to the bus bar 4c and the bus bar 4d adjacent to the bus bar 4c on the lower side. Attached by.
- the seven battery units 1 adjacent to each other in the vertical direction of the power supply device 10 are connected in series by being electrically connected by a connecting member 8. That is, in the power supply device 10, since the three laminated batteries 2a, 2b, 2c of each battery unit 1 are connected in series, a total of 21 laminated batteries are connected in series.
- the bus bar 4d of the lowermost battery unit 1 serves as a positive electrode terminal
- the bus bar 4c of the uppermost battery unit 1 serves as a negative electrode terminal.
- the power supply device 10 shown in FIG. 5A needs to include a control board that controls output power from the plurality of battery units 1 and prevents overcharge and overdischarge in order to operate the lithium ion battery safely.
- FIG. 6 is a perspective view of the power supply device 10 with the control board 11 stacked on the top.
- the control board 11 has the same outer shape as the battery unit 1 and is formed so as not to protrude greatly in a direction different from the stacking direction of the battery units 1 when stacked on the battery unit 1. Yes.
- the bus bar 4 d of the lowermost battery unit 1 that is the positive electrode terminal of the power supply device 10 and the bus bar 4 c of the uppermost battery unit 1 that is the negative electrode terminal of the power supply device 10 are electrically connected.
- the control board 11 is provided with an electric circuit (not shown) and the like, and the control board 11 enables safe input / output of power from the power supply device 10.
- the output voltage can be easily changed by changing the number of stacked battery units 1. That is, in the power supply device 10, when the number of stacked battery units 1 is increased, the output voltage of the power supply device 10 increases, and when the number of stacked battery units 1 is decreased, the output voltage of the power supply device 10 increases. descend.
- the insulating material such as polycarbonate resin forming the tray 3 of the battery unit 1 is relatively lightweight, even when a large number of battery units 1 are stacked, the load applied to the tray 3 of the lower-layer battery unit 1 is reduced. The battery unit 1 on the lower layer side is not easily damaged. Therefore, in the power supply device 10, it is possible to stack a large number of power supply units 1.
- Each battery unit 1 can be detached from the battery units adjacent vertically by removing the connecting members 8 from the bus bars 4c and 4d. Therefore, in the power supply device 10 of the present embodiment, even when one of the plurality of battery units 1 has a problem, the battery unit 1 can be removed and easily replaced with a new battery unit 1. is there.
- the three laminated batteries 2a, 2b, 2c provided in the battery unit 1 are detachable, any of the laminated batteries 2a, 2b, 2c in which a problem has occurred out of the three laminated batteries 2a, 2b, 2c. It is possible to exchange only. Therefore, in the power supply device 10, when a failure occurs in one of the plurality of battery units 1, the failure occurs among the battery units 1 removed from the power supply device 10 without preparing a new battery unit 1. The power supply device 10 can be repaired by replacing only the generated laminated battery 2 and then returning it to the same position of the power supply device 10 again.
- the power supply apparatus can easily maintain the laminated battery 2 of the arbitrary battery unit 1.
- FIG. 7 shows a schematic diagram of the ion conduction path P of the power supply device 10 shown in FIG.
- the bus bar 4d of the lowermost battery unit 1 that is the positive electrode terminal is connected to the control board 11 via the lead wire 12, and the bus bar 4c of the uppermost battery unit 1 that is the negative electrode terminal is directly connected to the control board 11. Electrically connected.
- connection path P of the laminated battery can be changed as in the power supply device 10a shown in FIG. 8A by changing the shape and arrangement of the bus bar and the connection member. Also in this case, all the laminated batteries 2a, 2b, 2c in the power supply device 10a are connected in series, and an output voltage equivalent to that of the power supply device 10 shown in FIG. 7 can be obtained. Also in the power supply apparatus 10a, the bus bar 4d of the lowermost battery unit 1a serves as a positive electrode terminal, and the bus bar 4c of the uppermost battery unit 1a serves as a negative electrode terminal.
- the number of laminated batteries loaded on the tray of one battery unit can be appropriately changed by changing the configuration of the tray. Thereby, the total capacity of one battery unit can be easily changed.
- FIG. 8B shows a power supply device 10b in which the number of laminated batteries loaded on the tray of one battery unit is changed.
- Each tray 3b of the power supply device 10b shown in FIG. 8B includes four laminated batteries 2a, 2b, 2c, and 2d.
- the bus bar 4d of the uppermost battery unit 1b serves as a positive electrode terminal
- the connection member bus bar 4c of the uppermost battery unit 1b serves as a negative electrode terminal. Therefore, even if the lead wires 12 of the power supply devices 10 and 10a shown in FIGS. 7 and 8A are not provided, the positive terminal and the negative terminal can be electrically connected directly to the control board 11.
- 8B shows the case where the number of laminated batteries in each battery unit 1b is four, the number of laminated batteries is not limited. If the number of laminated batteries is an even number, the same effect as the embodiment can be obtained.
- the power supply device changes the configuration of the tray and changes the configuration of the bus bar and the connection member as appropriate according to the configuration of the tray, so that all the laminated batteries can be connected in parallel or a part of the laminated battery can be connected.
- the power supply device changes the configuration of the tray and changes the configuration of the bus bar and the connection member as appropriate according to the configuration of the tray, so that all the laminated batteries can be connected in parallel or a part of the laminated battery can be connected.
- a laminated battery is used.
- a flat battery may be used, and it is needless to say that the battery is not limited to a laminated battery.
- FIG. 9 shows a side sectional view of the power supply device 20 of the second embodiment.
- the power supply device 20 of the second embodiment is configured in the same manner as the power supply device 10 of the first embodiment except for the configuration described below.
- the tray 13 of the battery unit 1c of this embodiment is provided with a partition wall that surrounds the outer periphery of each of the laminated batteries 2a, 2b, 2c.
- the battery units 1c are stacked, and a private chamber that covers the laminated batteries 1a, 1b, and 1c is formed by the tray 13 and the lower surface of the tray 13 adjacent to the upper side of the tray 13, respectively.
- Only the uppermost battery unit 1c has no tray 13 adjacent to the upper side of the tray 13, and a lid 14 made of the same material as the tray 13 is provided on the uppermost battery unit 1c.
- the lid 14 can be substituted by a control board 11 as shown in FIG.
- the tray 13 is formed of a material having low thermal conductivity, the heat generated by each of the laminated batteries 2a, 2b, 2c is released from the inside of the tray 13 to the outside. Hateful.
- FIG. 10 shows a side sectional view of a power supply device of a comparative example.
- the power supply device 20a of the comparative example four battery units 1d are stacked.
- the laminated batteries 2a, 2b, and 2c are not covered with the tray 13 like the power supply device 20 shown in FIG. Therefore, the heat generated by each laminated battery 2a, 2b, 2c is likely to diffuse around. Therefore, in the power supply device 20a of the comparative example, the central region surrounded by the alternate long and short dash line is likely to be heated from the surrounding laminated battery. Therefore, in the power supply device 20a, the temperature environment between the laminated battery disposed in the central region and the laminated battery disposed in the outer peripheral portion becomes non-uniform, and there is a high possibility that a problem occurs as the power supply device.
- each laminated battery 2a, 2b, 2c is hard to cause a malfunction.
- FIG. 11 the perspective view of the power supply device 30 of 3rd Embodiment is shown.
- the power supply device 30 of the present embodiment is configured in the same manner as the power supply device 10 of the first embodiment except for the configuration described below.
- the tray 23 of each battery unit 1e is indicated by a broken line.
- the positive and negative electrodes of the laminated batteries 22a, 22b, and 22c are drawn out in the same direction.
- the negative electrode of the laminated battery 22a and the positive electrode of the laminated battery 22b are electrically connected by the bus bar 24a
- the negative electrode of the laminated battery 22b and the positive electrode of the laminated battery 22c are electrically connected by the bus bar 24b.
- the laminate batteries 22a, 22b, and 22c are connected in series.
- the negative electrode of the laminate battery 22c is electrically connected to the positive electrode of the laminate battery 22a of the battery unit 1e adjacent to the battery unit 1e on the lower side.
- the laminated batteries 22a, 22b, and 22c of each battery unit 1e are connected in series, and the battery units 1e are connected in series. Therefore, in the power supply device 30, the positive electrode of the laminated battery 22a of the uppermost battery unit 1e is a positive electrode terminal, and the negative electrode of the laminated battery 22c of the lowermost battery unit 1e is a negative electrode terminal.
- the power supply device of the fourth embodiment is configured by stacking a plurality of battery units, and is configured in the same manner as the power supply device 10 of the first embodiment except for the configuration of the battery unit described below. . For this reason, in the fourth embodiment, only the battery unit will be described. In FIG. 12, the top view of the battery unit of 4th Embodiment is shown.
- the battery unit of the fourth embodiment is characterized by an arrangement state of laminated batteries loaded on a tray.
- the battery unit of the fourth embodiment includes a plurality of laminated batteries 32 (32a, 32b, 32c, 32d), a tray 33 on which the plurality of laminated batteries 32 are placed, and a plurality of laminated batteries 32. And a plurality of bus bars 34a, 34b, 34c, 34d, 34e. Similar to the above-described embodiment, the tray 33 is configured to be able to be stacked on another tray 33 on which a plurality of laminated batteries 32 are placed.
- the laminate battery 32 in the present embodiment has a gas discharge portion 35 as a pressure release portion that releases the pressure generated inside the laminate battery 32 to the outside at the outer peripheral portion.
- the gas discharge part 35 has a discharge hole formed in the welded part of the outer peripheral part of the laminate film constituting the laminate battery 32.
- the gas discharge part 35 The laminate film is formed to be torn.
- another laminate battery may not be placed at a position where gas is discharged from the gas discharge portion of the laminate battery. desirable.
- another laminate battery is placed at a position adjacent to the gas discharge part of the laminate battery, the other laminate batteries adjacent to each other are heated one after another by the heat of the gas released from the gas discharge part. There is a risk that gas will be released from the gas discharge portion of the battery, and so-called explosion phenomenon may occur.
- the tray 33 of the battery unit of the present embodiment includes a plurality of laminated batteries 32 such that the gas discharge portions 35 of the plurality of laminated batteries 32 are adjacent to the outer periphery of the tray 33 as shown in FIG. Is arranged.
- the plurality of laminated batteries 32a, 32b, 32c, 32d in the present embodiment are connected in series by bus bars 34a, 34b, 34c, 34d, 34e.
- the tray 33 may be formed with a cooling structure such as a heat sink in the vicinity of the gas discharge portion 35 of the laminate battery 32.
- the tray 33 is heated with the gas discharged from the laminate battery 32. 33 can be cooled by the cooling structure.
- the tray 33 may be provided with a sheet material that absorbs liquid leaked from the gas discharge portion 35 in the vicinity of the gas discharge portion 35 of the laminated battery 32.
- the battery unit constituting the power supply device of the fourth embodiment when high-pressure gas is released from the gas discharge portion 35 of any laminated battery 32, the heat of the high-pressure gas is used. It is avoided that another laminate battery 32 is heated. For this reason, this embodiment can improve the safety
- a laminate battery in which the gas discharge part is arranged in the central part in the long side direction of the outer peripheral part is used.
- a laminated battery disposed in the central portion of the outer peripheral portion in the short side direction may be used.
- a plurality of laminated batteries are arranged so that the long side directions are adjacent to each other, and the gas discharge portions of the adjacent laminated batteries are adjacent to a pair of opposed outer peripheral portions of the tray, respectively.
- a laminated battery is preferably arranged.
- the four laminated batteries 32 are arranged.
- the arrangement of the laminated batteries is not limited, and the number of laminated batteries is not limited to an even number. Of course, it may be changed as appropriate.
Abstract
Description
図1Aおよび図1Bに、第1の実施形態の電池ユニット1を上方から見た斜視図を示す。図1Bでは、電池ユニット1を図1Aで示した向きとは水平方向の反対側から示している。
図9に、第2の実施形態の電源装置20の側断面図を示す。電源装置20では、4つの電池ユニット1cが積層されている。第2の実施形態の電源装置20は、以下に説明する構成を除いて第1の実施形態の電源装置10と同様に構成されている。
図11に、第3の実施形態の電源装置30の斜視図を示す。電源装置30では、複数の電池ユニット1eが積層されている。本実施形態の電源装置30は、以下に説明する構成を除いて第1の実施形態の電源装置10と同様に構成されている。図面に示す便宜上、各電池ユニット1eのトレイ23を破線で示す。
第4の実施形態の電源装置は、複数の電池ユニットが積層されて構成されており、以下に説明する電池ユニットの構成を除いて第1の実施形態の電源装置10と同様に構成されている。このため、第4の実施形態では、電池ユニットについてのみ説明する。図12に、第4の実施形態の電池ユニットの平面図を示す。
10 電源装置
32(32a,32b,32c,32d) ラミネート電池
33 トレイ
34a,34b,34c,34d,34e バスバー
35 ガス放出部
Claims (8)
- 電気的に接続された複数のラミネート電池と、
前記複数のラミネート電池が載せられるトレイであって、前記複数のラミネート電池が載せられた別のトレイに積層可能に構成されたトレイと、を備え、
前記複数のラミネート電池のそれぞれの外周部には、前記複数のラミネート電池のそれぞれの内部で生じた圧力を外部に開放する圧力開放部が設けられ、
前記複数のラミネート電池のそれぞれは、前記圧力開放部が前記トレイの外周部に隣接して配置される、電池ユニット。 - 前記トレイが前記別のトレイに積層された状態で、前記トレイの積層方向とは異なる方向への前記トレイの移動を規制する規制部を有する、請求項1に記載の電池ユニット。
- 前記トレイが前記別のトレイに積層された状態で、前記トレイの積層方向に前記複数のラミネート電池の正極と負極とが隣接する、請求項1または2に記載の電池ユニット。
- 前記複数のラミネート電池が直列接続されており、
前記直列接続の両端に接続された正極端子および負極端子を有し、前記トレイが前記別のトレイに積層された状態で、前記正極端子と前記負極端子とが前記トレイの積層方向に隣接する、請求項1から3のいずれか1項に記載の電池ユニット。 - 前記正極端子と前記負極端子とのいずれか一方に隣接して設けられ、前記トレイが前記別のトレイに積層された状態で、前記積層方向に隣接している前記正極端子と前記負極端子との間を隔てる絶縁部が設けられている、請求項4に記載の電池ユニット。
- 請求項1から5のいずれか1項に記載の複数の電池ユニットと、
積層された複数の前記トレイの積層方向に隣接する前記電池ユニットを電気的に接続する接続部材と、を備える電源装置。 - 請求項4または5に記載の複数の電池ユニットと、
前記積層方向に隣接する前記正極端子と前記負極端子とを接続することにより、前記複数の電池ユニットを前記積層方向に直列接続する接続部材と、を備える電源装置。 - 前記トレイに積層可能に構成され、前記複数の電池ユニットによる出力電力を制御する制御基板を備える、請求項6または7に記載の電源装置。
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US13/640,577 US20130029198A1 (en) | 2010-05-19 | 2011-05-16 | Battery unit and power supply device |
CN201180024428.4A CN102906899B (zh) | 2010-05-19 | 2011-05-16 | 电池单元和电源装置 |
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JP2010115234A JP5618356B2 (ja) | 2010-05-19 | 2010-05-19 | 電池ユニットおよび電源装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT512028A1 (de) * | 2011-10-13 | 2013-04-15 | Avl List Gmbh | Elektrischer energiespeicher |
WO2016080196A1 (ja) * | 2014-11-21 | 2016-05-26 | 株式会社オートネットワーク技術研究所 | 蓄電モジュール |
CN109120210A (zh) * | 2017-06-26 | 2019-01-01 | 絜静精微有限公司 | 具有防水夹持式连接器的太阳能发电桩结构 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5552109B2 (ja) * | 2011-12-27 | 2014-07-16 | 株式会社神戸製鋼所 | 車載用バッテリートレイおよび車載用バッテリーフレーム |
KR101507222B1 (ko) * | 2013-05-15 | 2015-03-30 | 세방전지(주) | 배선이 용이한 커넥터를 구비한 에너지저장시스템 |
EP3092669A4 (en) * | 2014-01-08 | 2017-06-21 | MiniPumps, LLC | Stacked battery tray structure and related methods |
US10050319B2 (en) * | 2014-05-28 | 2018-08-14 | John M. Guerra | Photoelectrochemical secondary cell and battery |
JP6692188B2 (ja) * | 2016-03-09 | 2020-05-13 | 株式会社東芝 | 電池、蓄電池、及び電気装置 |
US20180108891A1 (en) * | 2016-10-14 | 2018-04-19 | Inevit, Inc. | Battery module compartment and battery module arrangement of an energy storage system |
US10559805B2 (en) * | 2017-02-01 | 2020-02-11 | GM Global Technology Operations LLC | Battery for an electric vehicle |
CN110739422A (zh) * | 2019-09-29 | 2020-01-31 | 东莞新能源科技有限公司 | 电芯支架组和包含所述电芯支架组的储能装置封装件 |
EP4087040A1 (en) * | 2020-08-14 | 2022-11-09 | LG Energy Solution, Ltd. | Battery pack, and automotive vehicle comprising same |
KR20220071588A (ko) * | 2020-11-24 | 2022-05-31 | 주식회사 엘지에너지솔루션 | 셀 트레이 및 이를 포함하는 보관 컨테이너 |
KR102331238B1 (ko) * | 2021-08-19 | 2021-12-02 | 주식회사 에스아이티 | 배터리 운반용 트레이 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003257396A (ja) * | 2002-02-28 | 2003-09-12 | Sanyo Electric Co Ltd | パック電池 |
JP2005116436A (ja) * | 2003-10-10 | 2005-04-28 | Nissan Motor Co Ltd | 組電池 |
JP2006156185A (ja) * | 2004-11-30 | 2006-06-15 | Nec Lamilion Energy Ltd | フィルム外装電気デバイス用ケースおよびケース付きフィルム外装電気デバイス |
WO2007043510A1 (ja) * | 2005-10-14 | 2007-04-19 | Nec Corporation | フィルム外装電気デバイス収納システム |
JP2008053019A (ja) * | 2006-08-24 | 2008-03-06 | Toyota Motor Corp | 蓄電モジュール |
JP2008166191A (ja) * | 2006-12-28 | 2008-07-17 | Sanyo Electric Co Ltd | 電池パック |
JP2009272234A (ja) * | 2008-05-09 | 2009-11-19 | Gs Yuasa Corporation | 組電池用スペーサーおよびそれを用いた組電池 |
JP2010092598A (ja) * | 2008-10-03 | 2010-04-22 | Gs Yuasa Corporation | 組電池 |
JP2010097720A (ja) * | 2008-10-14 | 2010-04-30 | Toshiba Corp | 非水電解質電池および電池パック |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6844110B2 (en) * | 2000-05-24 | 2005-01-18 | Ngk Insulators, Ltd. | Lithium secondary cell and assembly thereof |
JP3698320B2 (ja) * | 2002-06-03 | 2005-09-21 | 日産自動車株式会社 | 組電池 |
JP4849848B2 (ja) * | 2005-08-31 | 2012-01-11 | 三洋電機株式会社 | 組電池 |
CN2849986Y (zh) * | 2005-10-26 | 2006-12-20 | 广东省电子技术研究所 | 电池托盘 |
-
2010
- 2010-05-19 JP JP2010115234A patent/JP5618356B2/ja active Active
-
2011
- 2011-05-16 CN CN201180024428.4A patent/CN102906899B/zh active Active
- 2011-05-16 WO PCT/JP2011/061141 patent/WO2011145542A1/ja active Application Filing
- 2011-05-16 US US13/640,577 patent/US20130029198A1/en not_active Abandoned
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003257396A (ja) * | 2002-02-28 | 2003-09-12 | Sanyo Electric Co Ltd | パック電池 |
JP2005116436A (ja) * | 2003-10-10 | 2005-04-28 | Nissan Motor Co Ltd | 組電池 |
JP2006156185A (ja) * | 2004-11-30 | 2006-06-15 | Nec Lamilion Energy Ltd | フィルム外装電気デバイス用ケースおよびケース付きフィルム外装電気デバイス |
WO2007043510A1 (ja) * | 2005-10-14 | 2007-04-19 | Nec Corporation | フィルム外装電気デバイス収納システム |
JP2008053019A (ja) * | 2006-08-24 | 2008-03-06 | Toyota Motor Corp | 蓄電モジュール |
JP2008166191A (ja) * | 2006-12-28 | 2008-07-17 | Sanyo Electric Co Ltd | 電池パック |
JP2009272234A (ja) * | 2008-05-09 | 2009-11-19 | Gs Yuasa Corporation | 組電池用スペーサーおよびそれを用いた組電池 |
JP2010092598A (ja) * | 2008-10-03 | 2010-04-22 | Gs Yuasa Corporation | 組電池 |
JP2010097720A (ja) * | 2008-10-14 | 2010-04-30 | Toshiba Corp | 非水電解質電池および電池パック |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT512028A1 (de) * | 2011-10-13 | 2013-04-15 | Avl List Gmbh | Elektrischer energiespeicher |
WO2013053842A1 (de) | 2011-10-13 | 2013-04-18 | Avl List Gmbh | Elektrischer energiespeicher |
AT512028B1 (de) * | 2011-10-13 | 2015-06-15 | Avl List Gmbh | Elektrischer energiespeicher |
WO2016080196A1 (ja) * | 2014-11-21 | 2016-05-26 | 株式会社オートネットワーク技術研究所 | 蓄電モジュール |
JP2016100210A (ja) * | 2014-11-21 | 2016-05-30 | 株式会社オートネットワーク技術研究所 | 蓄電モジュール |
US10418613B2 (en) | 2014-11-21 | 2019-09-17 | Autonetworks Technologies, Ltd. | Electricity storage module |
CN109120210A (zh) * | 2017-06-26 | 2019-01-01 | 絜静精微有限公司 | 具有防水夹持式连接器的太阳能发电桩结构 |
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JP2011243442A (ja) | 2011-12-01 |
JP5618356B2 (ja) | 2014-11-05 |
CN102906899A (zh) | 2013-01-30 |
CN102906899B (zh) | 2016-03-09 |
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