WO2017014046A1 - Module de batterie et bloc-batterie - Google Patents

Module de batterie et bloc-batterie Download PDF

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Publication number
WO2017014046A1
WO2017014046A1 PCT/JP2016/069914 JP2016069914W WO2017014046A1 WO 2017014046 A1 WO2017014046 A1 WO 2017014046A1 JP 2016069914 W JP2016069914 W JP 2016069914W WO 2017014046 A1 WO2017014046 A1 WO 2017014046A1
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WO
WIPO (PCT)
Prior art keywords
heat transfer
heat
battery module
battery
battery cell
Prior art date
Application number
PCT/JP2016/069914
Other languages
English (en)
Japanese (ja)
Inventor
祐貴 中條
加藤　崇行
浩生 植田
Original Assignee
株式会社豊田自動織機
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社豊田自動織機 filed Critical 株式会社豊田自動織機
Publication of WO2017014046A1 publication Critical patent/WO2017014046A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
    • 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
    • H01M10/647—Prismatic or flat cells, e.g. pouch 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
    • H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • 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
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H01M10/6555—Rods or plates arranged between the cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • 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
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/222—Inorganic material
    • H01M50/224—Metals
    • 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 module and a battery pack.
  • a battery pack including a battery module including a plurality of battery cells arranged side by side and a casing (case) that houses the plurality of battery modules is known.
  • a heat transfer plate is interposed between adjacent battery cells in order to ensure heat dissipation.
  • the heat transfer plate includes a main body that contacts the battery cell and a pair of extending portions that extend from both ends of the main body in the thickness direction of the main body. One extending portion of the pair of extending portions is exposed in the case of the battery pack, and the other extending portion is joined to the case of the battery pack.
  • the heat generated in the battery cells is absorbed by the main body of the heat transfer plate.
  • the heat of the main body of the heat transfer plate is conducted to the case through an extended portion of the heat transfer plate joined to the case of the battery pack, and is released to the outside of the battery pack.
  • the heat of the battery module specifically, the battery cell
  • further improvement of the heat radiating performance has been demanded.
  • the present invention provides a battery module and a battery pack capable of improving heat dissipation performance.
  • a battery module is a battery module housed in a case, and a plurality of battery cells, a plurality of heat transfer members thermally connected to each of the plurality of battery cells, The plurality of battery cells are juxtaposed in a direction intersecting the first side surface of the battery cell, and each of the plurality of heat transfer members is the second side surface of the battery cell and intersects the first side surface.
  • a first heat transfer portion that faces the second side surface and is in thermal contact with the first inner wall surface of the case, and is thermally connected to the first heat transfer portion, and is a third side surface of the battery cell.
  • a second heat transfer section that opposes the third side surface intersecting the first and second side surfaces and that is in thermal contact with the second inner wall surface intersecting the first inner wall surface of the case.
  • the plurality of battery cells are juxtaposed in a direction intersecting the first side surface of the battery cell.
  • Each battery cell is thermally connected to a heat transfer member for radiating heat from the battery cell.
  • the heat transfer member includes two heat transfer parts, a first heat transfer part and a second heat transfer part.
  • the first heat transfer unit faces the second side surface of the battery cell
  • the second heat transfer unit is thermally connected to the first heat transfer unit and faces the third side surface of the battery cell. Therefore, as described above, even if the battery cells are arranged side by side in a direction intersecting the first side surface, the first and second heat transfer units can be exposed in the battery module.
  • each of the first heat transfer portion and the second heat transfer portion of the heat transfer member is in thermal contact with the first and second inner wall surfaces intersecting each other in the case.
  • the battery module can be accommodated in the case.
  • a heat dissipation path of the battery module a path through which heat is conducted to the first inner wall surface through the first heat transfer section of the heat transfer member and a path to be conducted to the second inner wall face through the second heat transfer section These two heat dissipation paths are formed. For this reason, for example, the heat dissipation performance of the battery module can be improved as compared with the case of one heat dissipation path.
  • the first heat transfer portion of the heat transfer member may be in thermal contact with the second side surface. Thereby, the heat generated in the battery cell is absorbed by the first heat transfer portion of the heat transfer member. And since the 1st heat-transfer part and the 2nd heat-transfer part are connected thermally, the heat absorbed by the 1st heat-transfer part can be radiated via the 1st heat-transfer part and the 2nd heat-transfer part. . Therefore, the battery module can be suitably radiated.
  • the second heat transfer portion of the heat transfer member may be in thermal contact with the third side surface of the battery cell. Thereby, the heat generated in the battery cell is absorbed by the second heat transfer portion of the heat transfer member. And since the 1st heat-transfer part and the 2nd heat-transfer part are connected thermally, the heat absorbed by the 1st heat-transfer part can be radiated via the 1st heat-transfer part and the 2nd heat-transfer part. . Therefore, the battery module can be suitably radiated.
  • the heat transfer member further includes a third heat transfer unit that is in thermal contact with the first side surface of the battery cell, and the first heat transfer unit and the second heat transfer unit are connected via the third heat transfer unit. It may be.
  • the third heat transfer unit is thermally connected to the first side surface, the heat of the battery cells can be absorbed by the third heat transfer unit.
  • the 1st heat-transfer part and the 2nd heat-transfer part are connected via the 3rd heat-transfer part, the heat absorbed by the 3rd heat-transfer part is the 1st heat-transfer part and the 2nd heat-transfer part.
  • the first heat transfer section, the second heat transfer section, and the third heat transfer section are plate-shaped, and the first heat transfer section is configured such that the third heat transfer section is connected to the first side surface in the state where the third heat transfer section is connected to the first side surface.
  • the second heat transfer section is erected in the thickness direction of the third heat transfer section from the edge on the second side surface in the heat section. You may be standingly arranged in the plate
  • the first and second heat transfer portions are provided as described above with respect to the third heat transfer portion, the first heat transfer portion faces the second side surface, and the second heat transfer portion is the second heat transfer portion. Opposite the three side surfaces. Since the 3rd heat transfer part is tabular, the thermal contact field with the 1st side can be enlarged. Therefore, the heat from the first side surface is easily absorbed efficiently by the third heat transfer unit. Since the first and second heat transfer portions are plate-like, heat can be efficiently radiated from the first and second heat transfer portions. Therefore, the heat dissipation performance of the battery module is further improved.
  • the first heat transfer unit, the second heat transfer unit, and the third heat transfer unit may be integrally formed. Thereby, the heat conduction efficiency between the 1st heat transfer part, the 2nd heat transfer part, and the 3rd heat transfer part can be raised, and the heat dissipation performance of a battery cell can be improved further. Since each heat transfer part is integrally formed, the heat transfer member can be easily manufactured.
  • the battery module further includes a plurality of holders that respectively hold the plurality of battery cells such that the first side surface of the battery cell is exposed, and the heat transfer member is thermally connected to the first side surface of the battery cell.
  • 3 heat transfer parts are further included, the 1st heat transfer part and the 2nd heat transfer part are connected via the 3rd heat transfer part, and the heat transfer member is the 1st heat transfer part and the 2nd heat transfer part.
  • each of the first heat transfer portion and the second heat transfer portion of the heat transfer member can be exposed in the battery module even if the battery cell is held by the holder. Therefore, when the battery module is accommodated in the case, the battery module is accommodated in the case so that the first heat transfer portion and the second heat transfer portion are in thermal contact with the first and second inner wall surfaces intersecting each other in the case. it can. Therefore, the heat dissipation performance of the battery module can be improved.
  • the first heat transfer unit is connected to the third heat transfer unit from the second side surface end of the third heat transfer unit in a state where the third heat transfer unit is connected to the first side surface.
  • the second heat transfer section is erected in the thickness direction of the heat section, and the second heat transfer section is connected to the third heat transfer section from the end on the third side face side in a state where the third heat transfer section is connected to the first side face. You may stand upright in the plate
  • the first heat transfer unit, the second heat transfer unit, and the third heat transfer unit may be integrally formed.
  • the holder includes a first side plate that contacts the second side surface, and a second side plate that intersects the first side plate and contacts the third side surface, and the first heat transfer section is
  • the second heat transfer section may be located on the opposite side to the third side face with respect to the second side plate.
  • the battery cell can be held between the first side plate and the second side plate by arranging the second side surface in contact with the first side plate and the third side surface in contact with the second side plate.
  • the first heat transfer unit is located on the opposite side of the second side surface with respect to the first side plate, and the second heat transfer unit is located on the opposite side of the third side surface with respect to the second side plate. Therefore, in the battery module, the first and second heat transfer parts are exposed. Therefore, heat can be radiated from the first heat transfer section and the second heat transfer section.
  • the holder has a protrusion provided on the outer surface of the second side plate opposite to the battery cell, and in the third heat transfer portion, the edge to which the second heat transfer portion is connected is outside the second side plate.
  • the length from the outer surface of the second side plate to the end to which the second heat transfer portion is connected is the same as the length of the protrusion in the plate thickness direction of the second side plate. There may be. In this case, even if the protrusion is provided on the second side plate, the second heat transfer portion can reliably contact the inner wall surface of the case.
  • the holder has a protrusion provided on the outer surface of the second side plate opposite to the battery cell, and the second heat transfer portion has the same thickness as the length of the protrusion in the plate thickness direction of the second side plate. May be. Even in this case, even if the second side plate is provided with the protruding portion, the second heat transfer portion can reliably contact the second inner wall surface of the case.
  • a battery pack includes the battery module and a case that houses the battery module, and each of the first heat transfer portion and the second heat transfer portion of the heat transfer member is included in the battery module.
  • the case is fixed to the case so as to be in thermal contact with the first inner wall surface and the second inner wall surface intersecting with each other. According to this battery pack, since the battery module described above is provided, the heat dissipation performance of the battery module can be improved.
  • the heat dissipation performance of the battery module can be improved.
  • FIG. 4 is a sectional view taken along line IV-IV in FIG. 2.
  • FIG. 5 is a cross-sectional view taken along line VV in FIG. 2.
  • FIG. 4 is a sectional view taken along line IV-IV in FIG. 2.
  • FIG. 5 is a cross-sectional view taken along line VV in FIG. 2.
  • FIG. 4 is a sectional view taken along line IV-IV in FIG. 2.
  • FIG. 5 is a cross-sectional view taken along line VV in FIG. 2.
  • FIG. 5 shows the structural example of the battery module which is not provided with the holder.
  • FIG. 5 shows the battery cell and heat-transfer member which are contained in the battery module shown in FIG.
  • FIG. 1 is a partially cutaway perspective view showing a schematic configuration of a battery pack.
  • the upper surface of the battery pack 1 is partly broken to show the battery pack.
  • the battery pack 1 includes a plurality of battery modules 10 and a case 20.
  • the battery pack 1 functions as a battery in vehicles such as automobiles and forklifts.
  • the plurality of battery modules 10 are fixed in the case 20.
  • four battery modules 10 are schematically shown, but the number of battery modules 10 is not limited to four.
  • the battery module 10 will be described in detail later.
  • the case 20 has a square box shape and is a housing member that houses a plurality of battery modules 10.
  • An example of the material of the case 20 is a metal, for example, iron.
  • the case 20 includes a case main body 21 and a case lid 22.
  • the case body 21 is formed by a plate-like bottom wall 211 and four plate-like side walls 212, 213, 214, 215, and has a box shape with an upper part opened.
  • the plan view shape of the bottom wall 211 is a quadrangle (for example, a rectangle or a square).
  • the normal direction of the inner wall surface (second inner wall surface) 211a of the bottom wall 211 in the case 20 is the Z-axis direction
  • the inner wall surface 211a is the XY plane. Set the system.
  • the side walls 212 to 215 are erected on the four edges of the bottom wall 211, respectively.
  • the case lid 22 is disposed and fixed on the case body 21 so as to face the bottom wall 211 of the case body 21 so as to close the opening of the case body 21.
  • FIG. 2 is a perspective view showing a detailed configuration of the battery module 10.
  • FIG. 3 is an exploded perspective view showing the configuration of the battery cell unit 12 included in the battery module 10.
  • 4 is a cross-sectional view taken along line IV-IV in FIG.
  • FIG. 5 is a sectional view taken along line VV in FIG.
  • FIG. 2 schematically shows a state where the battery module 10 is fixed in the case 20. Therefore, even when the battery module 10 is described with reference to FIGS. 2 to 5, the battery module 10 may be described using the XYZ coordinate system described above. 4 and 5 schematically show a cross-sectional configuration of the battery cell 50.
  • the battery module 10 includes a plurality of battery cell units 12.
  • the battery module 10 includes seven battery cell units 12, but the number of battery cell units 12 is not limited to this.
  • the plurality of battery cell units 12 are juxtaposed (or arranged) in one direction.
  • the parallel direction of the plurality of battery cell units 12 is referred to as a parallel direction A for explanation.
  • the juxtaposed direction A is the X-axis direction.
  • the plurality of battery cell units 12 are electrically connected by a conductive member such as a bus bar B. This connection form may be a series connection or a parallel connection.
  • FIG. 2 illustrates the case of series connection.
  • the plurality of battery cell units 12 arranged side by side are pressed and restrained in a juxtaposition direction by a pair of restraining members 30 and 30.
  • An example of the pair of restraining members 30 and 30 is an end plate.
  • the restraining member 30 is formed of a material having high rigidity such as iron.
  • the bolt 32 and the bolt 34 extending in the juxtaposition direction A are inserted into the one restraining member 30, the battery cell unit 12, and the other restraining member 30, and on the other restraining member 30 side. It is fixed by being fastened by a nut (not shown).
  • the battery module 10 can be attached to the case 20 via the fixing member 40.
  • An example of the fixing member 40 is an L-shaped fixing bracket as shown in FIG. 2, and is fastened to the pair of restraining members 30 and 30 and the case 20 with bolts or the like.
  • the fixing member 40 is fastened to the side wall 215 of the case body 21, but may be fastened to the bottom wall 211.
  • the battery cell unit 12 includes a battery cell 50, a holder 60, and a heat transfer member.
  • the battery cell 50 is a storage battery such as a non-aqueous electrolyte secondary battery such as a lithium ion secondary battery.
  • the battery cell 50 includes an electrode assembly 52, a case 54, and a pair of electrode terminals 58 and 58.
  • the battery cell 50 is not limited to a non-aqueous electrolyte secondary ground.
  • the electrode assembly 52 has a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode.
  • the positive electrode, the negative electrode, and the separator have, for example, a sheet shape. In that case, a plurality of positive electrodes, negative electrodes, and separators may be alternately stacked. In another example, as a positive electrode with a separator, a positive electrode that is unitized by joining two sheet-like separators on both sides of the positive electrode may be used.
  • the separator may be in the form of a bag, in which case a plurality of positive electrodes and a plurality of negative electrodes may be alternately stacked via the separator in the bag-shaped separator.
  • the case 54 includes a case main body portion 55 having a bottomed rectangular tube shape and a cover plate 56 that covers an opening of the case main body portion 55, and accommodates the electrode assembly 52.
  • the case 54 is filled with an electrolyte solution (not shown) together with the electrode assembly 52.
  • An example of the material of the case 54 is a conductive material (for example, aluminum).
  • Examples of the electrolytic solution include an organic solvent-based or non-aqueous electrolytic solution.
  • the case main body 55 (outer surface thereof) has five rectangular (for example, rectangular or square as illustrated in FIG. 3) side surfaces 551 to 555.
  • the four side surfaces of the side surface 551, the side surface 553, the side surface 554, and the side surface 555 extend from the four sides of the side surface 552 in a direction orthogonal to the side surface 552.
  • the side surface (first side surface) 553 and the side surface 554 are opposed to each other, and the side surface (second side surface) 551 and the side surface 555 are opposed to each other.
  • the side surface (third side surface) 552 is located on the opposite side to the opening side (side on which the cover plate 56 is provided) of the case main body 55, and the side surface 551, the side surface 553, the side surface 555, and the side surface 554 are arranged. It is a surface to connect. Therefore, the side surface 552 is also a bottom surface in the case 54.
  • the lid plate 56 is arranged and fixed so as to close the opening of the case main body 55.
  • the method for fixing the lid plate 56 is not particularly limited, and for example, the lid plate 56 may be fixed to the case main body 55 by welding.
  • the pair of electrode terminals 58 and 58 are terminals for taking out the electric power of the electrode assembly 52 of the battery cell 50 to the outside.
  • One of the pair of electrode terminals 58, 58 is a positive electrode terminal electrically connected to the positive electrode of the electrode assembly 52.
  • the other of the pair of electrode terminals 58, 58 is a negative electrode terminal electrically connected to the negative electrode of the electrode assembly 52.
  • Each electrode terminal 58 is fixed to the cover plate 56 while being insulated from the cover plate 56 so that one end of the electrode terminal 58 protrudes from the cover plate 56 to the outside.
  • the holder 60 holds the battery cell 50.
  • the holder 60 holds the battery cell 50 so that the side surface 553 and the side surface 554 of the case main body 55 of the battery cell 50 are exposed.
  • An example of the material of the holder 60 is resin.
  • the holder 60 includes a frame body 62, a partition portion 64, a pair of terminal accommodating portions 66 and 66, and bolt guide portions 68 and 69.
  • the frame body 62 includes a bottom plate (second side plate) 621 and a pair of side plates (first side plates) 622 and 622.
  • the bottom plate 621 is a member on which the battery cell 50 is placed.
  • the bottom plate 621 contacts the side surface 552 of the case main body 55 of the battery cell 50 in a state where the battery cell 50 is held by the holder 60.
  • the plate-like member that contacts the side surface 522 as the bottom surface of the case main body 55 is referred to as a bottom plate 621 for convenience, but the bottom plate 621 is also a side plate of the frame body 62.
  • the pair of side plates 622 and 622 are erected from a pair of edges of the bottom plate 621.
  • Each of the pair of side plates 622 and 622 is in contact with the corresponding side surfaces 551 and 555 in a state where the battery cell 50 is held by the holder 60. Therefore, for example, when the side surface 552 is rectangular, the bottom plate 621 is also rectangular, and the pair of side plates 622 and 622 are erected from both longitudinal ends of the bottom plate 621.
  • the angle formed between the bottom plate 621 and the pair of side plates 622 and 622 is usually 90 °.
  • the side plate 622 in contact with the side surface 551 may be referred to as a side plate 622A
  • the side plate 622 in contact with the side surface 555 may be referred to as a side plate 622B.
  • the width of the side plate 622A (the length in the juxtaposed direction A) is substantially the same as the width of the side surface 551, and the width of the side plate 622B is the same as the width of the side surface 552 and the thickness of the heat absorbing portion 71 described later. Can be substantially the same as the sum.
  • the partition portion 64 is a plate-like member that is provided in an intermediate portion of the side plate 622 in the thickness direction of the bottom plate 621 (the direction in which the side plate 622 extends) and connects the pair of side plates 622 and 622.
  • the partition portion 64 is connected to one edge portion in the width direction of the side plate 622 (X-axis direction in FIG. 3).
  • the distance from the upper surface of the bottom plate 621 to the upper end of the partition portion 64 in the thickness direction of the bottom plate 621 (Z-axis direction in FIG. 3) can be, for example, the length from the side surface 552 of the battery cell 50 to the upper surface of the lid plate 56.
  • the length of the partition portion 64 in the thickness direction of the bottom plate 621 is shorter than the length of the side surface 553.
  • the side surface 553 is exposed in a state where the battery cell 50 is held by the holder 60.
  • the partition portion 64 is provided on one edge side in the width direction of the side plate 622, the other side in the width direction of the side plate 622 is open. Therefore, the side surface 554 is exposed with the battery cell 50 held by the holder 60.
  • the pair of terminal accommodating portions 66 and 66 accommodate the pair of electrode terminals 58 and 58 of the battery cell 50, respectively.
  • One terminal accommodating portion 66 is provided on the side plate 622 ⁇ / b> A side of the partition portion 64, and the other terminal accommodating portion 66 is provided on the side plate 622 ⁇ / b> B side of the partition portion 64.
  • the terminal accommodating portion 66 has a first peripheral wall 661 and a second peripheral wall 662 that are orthogonal to each other.
  • the first peripheral wall 661 is provided at the upper end of the partition portion 64, and one end of the first peripheral wall 661 is connected to the corresponding side plate 622.
  • the second peripheral wall 662 is provided at the other end of the first peripheral wall 661 so as to face the side plate 622.
  • the bolt guide portion 68 is provided adjacent to the second peripheral wall 662, and extends along the second peripheral wall 662, that is, in the X-axis direction in FIG.
  • the pair of bolt guide portions 68 and 68 guide the bolt 32 described above.
  • bolt guide portions 69 are provided on the outer sides of the edge portions of the bottom plate 621 where the pair of side plates 622 and 622 are erected. Therefore, the bolt guide portion 69 is a protruding portion that protrudes outward from the bottom plate 621.
  • the bolt guide portion 69 extends in the X-axis direction in FIG. The bolt guide portion 69 guides the bolt 34 described above.
  • the heat transfer member 70 is a member for radiating the battery cell 50.
  • An example of the material of the heat transfer member 70 is aluminum.
  • the heat transfer member 70 is provided for each of the plurality of battery cells 50.
  • the heat transfer member 70 includes a heat absorbing portion 71, a heat radiating portion 72, and a heat radiating portion 73.
  • the heat radiating part 72 and the heat radiating part 73 are connected via the heat absorbing part 71.
  • the heat absorbing portion 71 is a plate-like portion (third heat transfer portion) that is thermally connected to the side surface 553 of the case main body portion 55 of the battery cell 50 and receives mainly heat from the battery cell 50 in the heat transfer member 70. is there.
  • the thermal connection is realized, for example, by bonding using a double-sided adhesive tape.
  • the heat absorption part 71 has a first region 711 and a second region 712.
  • the first region 711 is a region that is thermally connected to the side surface 553 and has a rectangular shape such as a rectangle or a square when viewed from the thickness direction of the heat absorbing portion 71.
  • the first region 711 may have a size covering the entire side surface 553 exposed from the holder 60.
  • the length of the heat absorption part 71 in the direction orthogonal to the parallel arrangement direction A and the thickness direction of the bottom plate 621 is substantially the same as the length of the side surface 553.
  • the second region 712 is a region that protrudes toward the side surface 552 of the case 54 in a state where the first region 711 is joined to the side surface 553, and is a region that connects the first region 711 and the heat dissipation portion 73. When viewed from the thickness direction of the heat absorption part 71, it has a rectangular shape. The second region 712 protrudes outward from the bottom plate 621 in a state where the heat transfer member 70 is attached to the battery cell 50 held by the holder 60. That is, the edge of the second region 712 opposite to the one edge to which the first region 711 is connected is located outside the bottom plate 621.
  • a portion of the second region 712 that protrudes from the outer surface of the bottom plate 621 is substantially equal to the thickness of the bolt guide portion 69 (the maximum length of the bolt guide portion 69 in the thickness direction of the bottom plate 621). Have the same length.
  • the heat radiating part 72 is a plate-like part (first heat transfer part) that radiates heat from the heat absorbing part 71.
  • the heat radiating portion 72 is erected in the juxtaposed direction A (the plate thickness direction of the heat absorbing portion 71) from the edge portion on the side surface 551 side (or side plate 622A side) in the first region 711 of the heat absorbing portion 71.
  • the heat absorption part 71 and the thermal radiation part 72 are exhibiting L shape, and the thermal radiation part 72 opposes the side surface 551 of the case main-body part 55 of the battery cell 50.
  • the heat radiation part 72 and the heat absorption part 71 are orthogonal, for example.
  • the heat radiating portion 72 is in a state where the heat transfer member 70 is attached to the battery cell 50 held by the holder 60, and sandwiches one side plate 622 ⁇ / b> A of the frame body 62 of the holder 60 so as to be opposite to the side surface 551 (that is, the holder 60 Outside). This can be realized by adjusting the size of the heat absorbing portion 71 or the connection position of the heat absorbing portion 71 to the side surface 553. In one embodiment, the heat radiating portion 72 contacts the side plate 622A.
  • the heat radiating part 73 is a plate-like part (second heat transfer part) that radiates heat from the heat absorbing part 71.
  • the heat radiating portion 73 is erected in the juxtaposed direction A from the edge portion on the opposite side to the one edge portion to which the first region 711 of the second region 712 of the heat absorbing portion 71 is connected.
  • the heat absorption part 71 and the thermal radiation part 72 are exhibiting L shape, and the thermal radiation part 73 opposes the side surface 552 of the case main-body part 55 of the battery cell 50.
  • the heat radiation part 73 and the heat absorption part 71 are orthogonal, for example.
  • the heat dissipating unit 73 is in a state where the heat transfer member 70 is attached to the battery cell 50 held by the battery cell 50 in the holder 60, with the bottom plate 621 of the frame 62 of the holder 60 sandwiched therebetween (that is, the side opposite to the side surface 552 (that is, It is located outside the holder 60). This can be realized by adjusting the size of the heat absorbing portion 71 or the connection position of the heat absorbing portion 71 to the side surface 553.
  • the heat dissipation part 73 is disposed between the pair of bolt guide parts (projections) 69 and 69 in a state where the battery cell 50 is held by the holder 60.
  • the length of the heat radiating portion 73 in the direction from the one bolt guide portion 69 toward the other bolt guide portion 69 is substantially equal to the distance between the bolt guide portions 69.
  • the length of the second region 712 is also substantially equal to the distance between the bolt guide portions 69 and can be shorter than the length of the first region 711 in the corresponding direction.
  • the manufacturing method of the heat transfer member 70 is not particularly limited as long as the above configuration can be realized.
  • the heat absorbing portion 71 and the heat radiating portions 72 and 73 are integrally formed, they can be manufactured as follows. That is, a single rectangular metal plate (for example, an aluminum plate) is cut out to form a plate-like member in a developed state of the heat transfer member 70. Thereafter, the heat absorbing portion 71 and the boundary portion between the heat radiating portion 72 and the heat radiating portion 73 can be bent.
  • the battery module 10 is manufactured as follows. In other words, in a state where the battery cell 50 is placed on the bottom plate 621 of the holder 60 and is held by the holder 60, the first region 711 of the heat absorbing portion 71 included in the heat transfer member 70 having the above-described configuration is formed with a double-sided adhesive tape, for example. Bonded to the side surface 553 of the cell 50. Thereby, the battery cell unit 12 is assembled. When joining the heat absorption part 71 to the battery cell 50, the heat transfer member 70 is arranged with respect to the battery cell 50 so that the heat radiation part 72 and the heat radiation part 73 are located outside the holder 60.
  • the plurality of battery cell units 12 are integrated by the pair of restraining members 30 and 30. To obtain the battery module 10.
  • each battery cell unit 12 has the heat transfer member 70, the heat transfer member 70, more specifically, the heat absorption part 71 is interposed between the adjacent battery cells 50.
  • the heat transfer member 70 included in one of the adjacent battery cell units 12 and the side surface 554 of the battery cell 50 of the other battery cell unit 12 may be further joined with a double-sided adhesive tape. . Since the heat radiation part 72 and the heat radiation part 73 are located outside the holder 60, the heat radiation part 72 and the heat radiation part 73 are exposed in the battery module 10.
  • the plurality of battery modules 10 described above are arranged at corners formed by two inner wall surfaces intersecting each other in the case body 21 of the case 20 of the battery pack 1.
  • the battery pack 1 is obtained by housing the battery pack 1 in the container. Specifically, description will be made with reference to FIGS.
  • FIGS. 4 and 5 when the battery module 10 is accommodated in the case 20, each of the heat radiating portion 72 and the heat radiating portion 73 of the heat transfer member 70 is in the case main body 21 of the case 20 included in the battery pack 1.
  • the inner wall surface (first inner wall surface) 215a and the inner wall surface (second inner wall surface) 211a that intersect each other in the example shown in FIGS.
  • 4 and 5 are orthogonal to each other) are fixed so as to be in contact with each other.
  • 4 and 5 exemplify the battery module 10 disposed at a corner portion constituted by the inner wall surface 215a and the inner wall surface 211a, the inner wall surface (first inner wall surface) 213a of the side wall 213 and the inner wall surface are illustrated.
  • the heat radiating part 72 and the heat radiating part 73 are in thermal contact with two intersecting inner wall surfaces.
  • the heat transfer member 70 is connected to the battery cell 50 of each battery cell unit 12.
  • the heat transfer member 70 includes a heat absorbing portion 71 connected to the side surface 553 of the battery cell 50, a heat radiating portion 72 facing the side surface 551, and a heat radiating portion 73 facing the side surface 552.
  • the heat transfer member 70 is provided with respect to the battery cell 50 so that the heat radiating portion 72 and the heat radiating portion 73 are located outside the holder 60 that holds the battery cell 50.
  • the battery cell unit 12 can dissipate heat even if the battery cell units 12 are arranged side by side in a direction intersecting the side surface 553 (for example, a direction orthogonal to each other).
  • the part 72 and the heat radiating part 73 are exposed in the battery module 10. Therefore, the heat of the battery cell unit 12 received by the heat absorbing part 71 can be radiated through the two heat radiating parts 72 and 73. As a result, the battery module 10 can be efficiently dissipated.
  • each of the heat radiating portion 72 and the heat radiating portion 73 in the battery module 10 is connected to the case 20 (
  • the battery module 10 can be accommodated in the case 20 so as to be in contact with the inner wall surface 215a and the inner wall surface 211a that intersect each other in the case body 21).
  • the first heat dissipation path (path reaching the inner wall surface 215 a via the heat dissipation part 72) passing through the heat dissipation part 72 of the heat transfer member 70 and the heat dissipation part 73 of the heat transfer member 70.
  • a second heat radiation path (path reaching the inner wall surface 211a via the heat radiation portion 73) are formed. For this reason, the heat dissipation of the battery cell 50 can be improved compared with the case where there is one heat dissipation path, for example.
  • the heat radiating portion 72 and the heat radiating portion 73 are connected via the heat absorbing portion 71.
  • the heat absorption part 71 is radiated by the above-mentioned first heat radiation path and second heat radiation path.
  • the heat absorbing portion 71 that contacts the side surface 551 is generated in the battery cell 50. The absorbed heat can be absorbed efficiently. Therefore, the battery cell 50 can be radiated suitably.
  • the heat absorbing part 71 Since the heat absorbing part 71 has a plate shape, it can be in surface contact with the side surface 553 thermally. Therefore, a wider thermal connection region between the heat absorbing portion 71 and the side surface 553 can be secured. Therefore, the heat absorption part 71 can efficiently receive the heat of the battery cell 50. And since the thermal radiation part 72 and the thermal radiation part 73 are also exhibiting plate shape, the heat from the heat absorption part 71 can be thermally radiated efficiently. Since the plate-like heat absorbing portion 71 and the heat radiating portions 72 and 73 are integrally formed, the heat transfer member 70 can be easily manufactured.
  • the heat absorbing part 71, the heat radiating part 72, and the heat radiating part 73 are integrally formed, the heat conduction efficiency between the heat absorbing part 71, the heat radiating part 72, and the heat radiating part 73 can be improved, and the heat radiating performance of the battery cell 50 can be further improved.
  • the heat transfer member 70 can be easily attached to the battery cell 50 as compared with the case where the heat absorbing part 71, the heat radiating part 72, and the heat radiating part 73 are individually attached to the battery cell 50.
  • the bolt guide portion 69 as a protruding portion is provided outside the bottom plate 621. Therefore, a gap is formed between the bottom wall 211 and the outer surface (the outer surface of the bottom plate 621) of the bottom plate 621 of the holder 60 that faces the inner wall surface 211 a of the case 20 of the battery pack 1. That is, a region between the pair of bolt guide portions 69 and 69 on the outer surface of the bottom plate 621 is a separated region separated from the inner wall surface 211a.
  • the heat absorption part 71 of the heat transfer member 70 has a second region 712 that protrudes outward from the bottom plate 621 in the battery cell unit 12, and the heat dissipation part 73 is connected to the second region 712.
  • the portion of the second region 712 that protrudes from the outer surface of the bottom plate 621 has the same length as the length of the bolt guide portion 69 in the thickness direction of the bottom plate 621, and the heat radiating portion at the edge of the second region 712 73 is connected.
  • the heat radiating portion 73 is surely connected to the inner surface. It contacts the wall surface 211a.
  • the portion of the second region 712 that protrudes from the outer surface of the bottom plate 621 has the same length as the thickness of the bolt guide portion 69, but is not limited thereto. .
  • the second region 712 only needs to have a portion protruding from the outer surface of the bottom plate 621.
  • the angle ⁇ formed by the second region 712 and the heat radiating portion 73 may be larger than 90 ° and smaller than 180 °.
  • the angle ⁇ formed between the second region 712 and the heat radiating portion 73 is an obtuse angle
  • the bolt guide portion 69 is placed so as to be in contact with the inner wall surface 211a.
  • the heat radiating portion 73 can come into contact with the inner wall surface 211a.
  • the size and shape of the heat radiating portion 73 are such that when the bolt guide portion 69 is in contact with the inner wall surface 211a, the heat radiating portion 73 is in the inner wall surface 211a.
  • the heat radiating unit 73 is connected to the first plate-like portion that contacts the inner wall surface 211a, and the second plate 712 connects the first plate-like portion and the second region 712. What is necessary is just to have a plate-shaped part.
  • the angle formed by the first plate-like portion and the second plate-like portion is an obtuse angle
  • the heat radiating portion 73 has a bent shape.
  • the heat radiating portion 73 may be flat.
  • the heat radiating portion 73 may extend to a virtual plane parallel to the bottom plate 621 including the tip portion of the bolt guide portion 69 (that is, the end portion in contact with the inner wall surface 211a), or the virtual plane. You may protrude from.
  • the heat radiation part 73 protrudes from the virtual plane, the heat radiation part 73 is preferably bendable with respect to the heat absorption part 71. In this case, if the battery module 10 is fixed to the case, the heat radiating portion 73 is pressed toward the bottom plate 621, so that the contact between the heat radiating portion 73 and the inner wall surface 211a becomes stronger.
  • the heat radiating portion 73 may have a length substantially the same as the width of the holder 60 in the direction from the side plate 622A toward the side plate 622B (the Y-axis direction in FIG. 3). Good.
  • the length of the second region 712 may be adjusted so that the heat radiating portion 73 is disposed outside the bolt guide portion 69.
  • the length in the Y-axis direction in the drawing of the second region 712 of the heat absorbing portion 71 may be the same as in FIG. 3 so that the heat absorbing portion 71 does not hinder the bolt 34 guided by the bolt guide portion 69.
  • it may be the same as the length of the first region 711 in the Y-axis direction.
  • a hole through which the bolt 34 is inserted is formed in the portion facing the bolt guide portion 69 in the second region 712. Just keep it.
  • the heat absorption part 71 has the second region 712, it may not have the second region 712.
  • the heat dissipating part 73 may have the same thickness (plate thickness) as the distance between the separation region and the inner wall surface 211a. In this case, the gap between the bottom plate 621 and the inner wall surface 211 a is filled with the heat radiating portion 73. Even if it does in this way, the contact with the thermal radiation part 73 and the inner wall surface 211a is securable.
  • FIG. 6 schematically shows the battery module 10 ⁇ / b> A according to the second embodiment by enlarging a part of the battery pack accommodated in the case 20 instead of the battery module 10.
  • a battery pack using the battery module 10A is also referred to as a battery pack 1A.
  • the battery module 10 ⁇ / b> A includes a battery cell unit 12 ⁇ / b> A instead of the battery cell unit 12.
  • Battery cell unit 12 ⁇ / b> A is different from the configuration of battery cell unit 12 in that it does not have holder 60 and in that it has heat transfer member 70 ⁇ / b> A instead of heat transfer member 70.
  • the second embodiment will be described focusing on this difference.
  • the battery cell unit 12A includes a battery cell 50 and a heat transfer member 70A.
  • the heat transfer member 70A includes a heat absorbing portion 71A, a heat radiating portion 72A, and a heat radiating portion 73A.
  • 71 A of heat absorption parts do not have the 2nd area
  • the heat absorption part 71 ⁇ / b> A is thermally connected to the side surface 553 in the same manner as the heat absorption part 71.
  • the heat radiating portion 72A is erected in the heat absorbing portion 71A in the juxtaposed direction A (the thickness direction of the heat absorbing portion 71A) from the edge on the side surface 551 side.
  • the heat radiating portion 72 ⁇ / b> A is in contact with the side surface 551.
  • the heat dissipating part 73A is erected in the juxtaposed direction A (the thickness direction of the heat absorbing part 71A) from the edge on the side surface 552 side in the heat absorbing part 71A.
  • the heat radiating portion 73 ⁇ / b> A is in contact with the side surface 552.
  • the battery module 10A is configured such that a plurality of battery cell units 12A having the above-described configuration are arranged in parallel in a direction intersecting the side surface 553 (in the example shown in FIG. 6, orthogonal). ing.
  • the plurality of battery cell units 12A may be integrated by joining with a double-sided adhesive tape, for example.
  • the plurality of heat radiation portions 72A constitute one side surface of the battery module 10A
  • the plurality of heat radiation portions 73A constitute the bottom surface of the battery module 10A.
  • the battery module 10A When fixing the battery module 10A to the case 20, for example, as shown in FIG. 6, the battery module 10A is attached to the battery cell units 12A at both ends in the juxtaposition direction A among the plurality of battery cell units 12A arranged in parallel.
  • the auxiliary plate 30A may be joined.
  • the auxiliary plate 30A can be joined to the battery cell unit 12A with a double-sided adhesive tape.
  • the battery module 10A can be fixed to the case 20 in the same manner as the battery module 10 by attaching the fixing member 40 to the auxiliary plate 30A.
  • the fixing member 40 is fastened to the side wall 215 of the case body 21, but may be fastened to the bottom wall 211.
  • the heat dissipating part 72A and the heat dissipating part 73A respectively have two inner wall surfaces that intersect each other in the case 20, for example, an inner wall surface 215a (first inner wall surface) and an inner wall surface 211a (second inner wall). In thermal contact with the wall). Therefore, the battery module 10 ⁇ / b> A and the battery pack 1 ⁇ / b> A have at least the same functions and effects as in the first embodiment. That is, the heat of the battery cell unit 12A received by the heat absorbing portion 71A can be radiated through the two heat radiating portions 72A and 73A. As a result, the battery module 10A can be efficiently dissipated.
  • the heat radiation part 72 ⁇ / b> A and the heat radiation part 73 ⁇ / b> A of the heat transfer member 70 ⁇ / b> A are in contact with the side surface 551 and the side surface 552 of the case body 23 of the battery cell 50.
  • the heat generated in the battery cell 50 is absorbed and radiated not only by the heat absorbing portion 71A of the heat transfer member 70A but also by the heat radiating portion 72A and the heat radiating portion 73A, the battery cell 50 can be suitably radiated.
  • the heat transfer member 70 ⁇ / b> A may not have the heat absorption part 71.
  • at least one of the heat radiating portion 72A and the heat radiating portion 73A may be joined to the corresponding side surface 551 and side surface 552 with a double-sided adhesive tape, for example.
  • the heat transfer member including the heat radiating portion 72A and the heat radiating portion 73A can be thermally connected to the battery cell 50 in a state where the heat radiating portion 72A and the heat radiating portion 73A are in thermal contact with the side surface 551 and the side surface 552.
  • the heat radiating portion 72 and the heat radiating portion 73 also function as a heat absorbing portion, so that the battery cell 50 can radiate heat.
  • the shapes of the heat transfer members 70 and 70A are not limited to those exemplified so far.
  • the heat transfer member 70 includes a heat absorption part (third heat transfer part), a heat dissipation part (first heat transfer part) and a heat dissipation part (second heat transfer part) connected via the heat absorption part, and these It is only necessary that the two heat radiating portions (first and second heat transfer portions) are in thermal contact with the inner wall surface 215a and the inner wall surface 211a of the case 20, respectively.
  • the heat transfer member 70A only needs to have two heat transfer portions that are in thermal contact with the inner wall surface 215a and the inner wall surface 211a of the case 20 and are thermally connected.
  • the side surface 551 and the side surface 552 have been described as the second side surface and the third side surface, respectively.
  • the side surface 552 and the side surface 551 may be the third side surface and the second side surface.
  • the heat radiating portions 72 and 72A correspond to the second heat transfer portion
  • the side plate 622A corresponds to the second side plate
  • the inner wall surface 215a corresponds to the second inner wall surface.
  • the first inner wall surface and the second inner wall surface may be two inner wall surfaces that are in thermal contact with each other and intersect each other. Therefore, the first inner wall surface is not limited to the inner wall surface 215a and the inner wall surface 213a, and the second inner wall surface is not limited to the inner wall surface 211a.
  • the example of the restraining members 30 and 30 is an end plate, and the example of the fixing member 40 is a fixing bracket.
  • the restraining member 30 and the fixing member 40 may be a single member formed integrally.
  • the auxiliary plate 30A and the fixing member 40 in the second embodiment may be one member formed integrally.
  • a TIM (Thermal Interface Material) as a heat transfer sheet may be disposed between the heat transfer member 70 and the case 20. That is, the heat radiation part 72 may contact the side wall 215 or the like via the TIM (in a state where the TIM is interposed), and the heat radiation part 73 may contact the bottom wall 211 via the TIM. Similarly, in the second embodiment, a TIM may be disposed between the heat transfer member 70 ⁇ / b> A and the case 20.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

La présente invention concerne, selon un mode de réalisation, un module de batterie (10) contenu dans un boîtier (20). Le module de batterie est pourvu d'une pluralité de piles (50) et d'une pluralité d'éléments de transfert de chaleur (70) qui sont utilisés pour des piles respectives (50) dans le but de dissiper la chaleur des piles (50). La pluralité de piles (50) sont disposées côte à côte dans une direction croisant des premières surfaces latérales (553) des piles (50). La pluralité d'éléments de transfert de chaleur 70 comprennent chacun : une première partie de transfert de chaleur (72) qui fait face à une deuxième surface latérale (551) d'une pile (50), ladite deuxième surface latérale (551) croisant la première surface latérale (553), et qui est en contact thermique avec une première surface de paroi intérieure (215a) du boîtier (20) dans lequel le module de batterie est contenu ; et une deuxième partie de transfert de chaleur (73) qui est reliée thermiquement à la première partie de transfert de chaleur (72) et fait face à une troisième surface latérale (552) de la pile (50), tout en étant en contact thermique avec une deuxième surface de paroi intérieure (211a) qui croise la première surface de paroi intérieure du boîtier.
PCT/JP2016/069914 2015-07-22 2016-07-05 Module de batterie et bloc-batterie WO2017014046A1 (fr)

Applications Claiming Priority (2)

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JP2015-145225 2015-07-22
JP2015145225A JP2017027796A (ja) 2015-07-22 2015-07-22 電池モジュール及び電池パック

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Cited By (1)

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CN113488734A (zh) * 2021-06-04 2021-10-08 天津市捷威动力工业有限公司 一种动力电池包系统总成

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Publication number Priority date Publication date Assignee Title
KR102203250B1 (ko) 2017-11-29 2021-01-13 주식회사 엘지화학 엔드 프레임을 구비한 배터리 모듈
JP7111857B2 (ja) * 2021-03-18 2022-08-02 ビークルエナジージャパン株式会社 電池パック

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JP2013125617A (ja) * 2011-12-13 2013-06-24 Sanyo Electric Co Ltd 電源装置及びこれを備える車両並びに蓄電装置
JP2014149992A (ja) * 2013-02-01 2014-08-21 Toyota Industries Corp 電池パック
JP2015050164A (ja) * 2013-09-04 2015-03-16 三菱重工業株式会社 電池モジュール

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KR101259757B1 (ko) * 2009-12-04 2013-05-07 주식회사 엘지화학 우수한 냉각 효율성과 콤팩트한 구조의 전지모듈 및 중대형 전지팩

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JP2013125617A (ja) * 2011-12-13 2013-06-24 Sanyo Electric Co Ltd 電源装置及びこれを備える車両並びに蓄電装置
JP2014149992A (ja) * 2013-02-01 2014-08-21 Toyota Industries Corp 電池パック
JP2015050164A (ja) * 2013-09-04 2015-03-16 三菱重工業株式会社 電池モジュール

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CN113488734A (zh) * 2021-06-04 2021-10-08 天津市捷威动力工业有限公司 一种动力电池包系统总成

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