WO2022168539A1 - Battery module - Google Patents
Battery module Download PDFInfo
- Publication number
- WO2022168539A1 WO2022168539A1 PCT/JP2022/000598 JP2022000598W WO2022168539A1 WO 2022168539 A1 WO2022168539 A1 WO 2022168539A1 JP 2022000598 W JP2022000598 W JP 2022000598W WO 2022168539 A1 WO2022168539 A1 WO 2022168539A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- battery
- circuit board
- battery module
- battery case
- heat sink
- Prior art date
Links
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 11
- 238000001816 cooling Methods 0.000 description 4
- 230000020169 heat generation Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
-
- 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
-
- 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
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- 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
- H01M50/258—Modular batteries; Casings provided with means for assembling
-
- 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
- H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
-
- 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
- Patent Document 1 discloses a battery module in which battery cells and deformation prevention plates are housed in a battery case.
- a plurality of battery cells are stacked and accommodated in a battery case, and a deformation prevention plate having heat dissipation properties is arranged between the battery cells (Patent Document 1: FIG. 2, etc.).
- Patent Document 1 also discloses an example in which a circuit board (battery protection circuit) is arranged in a battery case (Patent Document 1: FIG. 9).
- the first technology disclosed in this specification is a battery module.
- the battery module may include battery cells, a heat sink in contact with the battery cells, a circuit board, and a battery case that houses the battery cells, the heat sink, and the circuit board.
- the battery case may be provided with an opening that communicates the inside and outside of the battery case
- the heat sink may be provided with a guide portion that guides air flow from the opening toward the circuit board.
- a second technique disclosed in this specification is the battery module of the first technique, wherein a pair of electrode tabs extends in a first direction from an end portion of the exterior of the battery cell, and a circuit board includes a pair of It may be located between the electrode tabs.
- a third technique disclosed in this specification is the battery module of the second technique, wherein the opening provided in the battery case is provided in a second direction intersecting the first direction, and the guide portion is , may be formed in a straight line connecting the end face in the first direction and the end face in the second direction of the heat sink.
- a fourth technique disclosed in the present specification is the battery module according to any one of the first to third techniques, wherein a pair of openings provided in the battery case are provided on opposite surfaces of the battery case.
- the radiator plate may have a guide portion for each of the pair of openings that guides the flow of air from the opening toward the circuit board.
- a fifth technique disclosed in the present specification is the battery module of the fourth technique, wherein the battery module is used to supply electric power to a mobile object, and the pair of openings are arranged in the traveling direction of the mobile object. It may be arranged to be positioned forward and rearward.
- a sixth technique disclosed in this specification is the battery module according to any one of the first to fifth techniques, wherein the end surface of the battery cell opposite to the end surface facing the circuit board is a heat sink. may be included in the same plane as the end face opposite to the end face facing the circuit board.
- a seventh technology disclosed in the present specification is a battery module according to any one of the first to sixth technologies, wherein a plurality of battery cells are stacked and arranged in a battery case, and each battery cell Heat sinks may be arranged between them, and all the heat sinks may be provided with guides.
- the air that has flowed from the outside of the battery case into the battery case through the opening can be efficiently moved toward the circuit board.
- the cooling efficiency of the circuit board is improved, and the temperature rise in the battery case can be suppressed.
- the space between the pair of electrode tabs (typically dead space) can be effectively utilized. That is, it is not necessary to secure a space in the battery case only for arranging the circuit board, and the size of the battery case (the size of the battery module) can be reduced.
- guides can be provided at positions corresponding to the corners of the battery cells.
- the heat dissipation of the battery cells is reduced by contacting the central portion of the battery cell that generates a large amount of heat with the heat sink and keeping the corners of the battery cell with a relatively low heat value out of contact with the heat sink (providing a guide portion). It is possible to efficiently cool the circuit board while ensuring.
- the air that has flowed into the battery case can be guided to the circuit board, and the air around the circuit board can be guided to the outside of the battery case. Since the air heated by the circuit board is efficiently discharged to the outside of the battery case, it is possible to further suppress the temperature rise in the battery case.
- air outside the battery case can be introduced into the battery case and air inside the battery case can be discharged outside the battery case as the moving body moves.
- the circuit board can be cooled without using a device for sending air into the battery case (or discharging air out of the battery case).
- the battery cells and the heat sink are positioned in one direction, it is possible to prevent the battery cells and the heat sink from being misaligned when manufacturing the battery module.
- a large air flow path area is ensured, a large amount of air can be sent to the circuit board, and the circuit board can be efficiently cooled.
- the perspective view of the external appearance of a battery module is shown.
- the perspective view of the internal structure of a battery module is shown.
- the top view for demonstrating the internal structure of a battery module is shown.
- the top view for demonstrating the internal structure of a battery module is shown.
- the battery module 100 will be described with reference to FIG.
- the battery module 100 is mounted on a moving object (not shown) such as a flying object such as a manned aircraft or an unmanned aerial vehicle (drone), or a vehicle such as an automobile or a motorcycle.
- the battery module 100 supplies electric power to motors, electronic devices, and the like mounted on a moving object.
- the battery module 100 includes a battery case 10 , a plurality of battery cells 20 housed within the battery case 10 , and a plurality of heat sinks 30 housed within the battery case 10 .
- the battery case 10 also accommodates a circuit board 40 (see FIG. 2) for interrupting the energization of the battery cells 20 when an abnormality occurs in the battery module 100 .
- the battery case 10 includes an accommodating portion 8 in which the battery cells 20 are arranged, and a lid portion 6 that closes the opening of the upper portion (+Z direction) of the accommodating portion 8 .
- a pair of openings 2 are provided on both sides of the housing portion 8 in the front-rear direction (Y direction). The pair of openings 2 communicate the inside and outside of the battery case 10 (accommodating portion 8). A part of the battery cells 20 and a part of the heat sink 30 arranged in the battery case 10 are exposed to the outside through the opening 2 (visible from the outside).
- the battery case 10 (accommodating portion 8) is provided with a connector (not shown) to which wiring of an external device (motor, electronic device, etc.) is connected.
- the Z direction may be referred to as the up-down direction, the Y direction as the front-rear direction, and the X direction as the left-right direction.
- the battery module 100 is mounted on a moving body such that the front-rear direction is positioned forward and rearward in the traveling direction of the moving body.
- FIG. 2 shows a view of the battery case 10 with the side portions of the lid portion 6 and the housing portion 8 removed.
- the battery cells 20 and the heat sinks 30 are arranged alternately in the vertical direction.
- the radiator plate 30 is arranged between the battery cells 20 adjacent to each other in the vertical direction.
- the radiator plate 30 is in contact with the surface of the battery cell 20 and radiates heat generated in the battery cell 20 .
- the shape (exterior shape) of the battery cell 20 is substantially rectangular.
- the shape of the radiator plate 30 is an octagon obtained by cutting off corners (four corners) of a rectangle. Therefore, at the corners of the battery cells 20, there is no radiator plate 30 between the battery cells 20 adjacent in the vertical direction, and gaps are provided. Details of the heat sink 30 will be described later.
- Each battery cell 20 has a pair of electrode tabs 22 .
- a pair of electrode tabs 22 extend in the same direction (+X direction) from the exterior of the battery cell 20 .
- the pair of electrode tabs 22 extends so as to cross (perpendicularly) the direction (Y direction) connecting the pair of openings 2 .
- the pair of openings 2 are provided in the direction (Y direction) intersecting the direction (+X direction) in which the pair of electrode tabs 22 extend.
- the X direction is an example of a first direction
- the Y direction is an example of a second direction.
- the pair of electrode tabs 22 extends in the direction in which the connector is provided.
- the pair of electrode tabs 22 are provided with an interval in the Y direction (front-rear direction).
- the circuit board 40 is accommodated inside the battery case 10 (accommodating portion 8).
- the circuit board 40 is arranged between the pair of electrode tabs 22 . Therefore, when the battery module 100 is observed from the Y direction, part of the circuit board 40 overlaps the pair of electrode tabs 22 .
- the circuit board 40 is connected to the pair of electrode tabs 22 by wiring (not shown), and is a protection circuit that cuts off current when the battery cell 20 malfunctions.
- FIG. 3 shows a state in which the battery cells 20 appear on the top surface
- FIG. 4 shows a state in which the radiator plate 30 appears on the top surface.
- the battery cell 20 is substantially rectangular
- the heat sink 30 is substantially octagonal.
- the heat sink 30 can also be regarded as a substantially rectangular shape with four corners cut off.
- the length of the end face 33 (+X direction end face) facing the circuit board 40 is shorter than the length of the end face 23 of the battery cell 20 facing the circuit board 40. .
- the length of the end face 35 of the heat sink 30 opposite to the end face 33 is shorter than the length of the end face 25 of the battery cell 20 opposite to the end face 23 .
- the length of both end surfaces 34 of the heat sink 30 in the front-rear direction (Y direction) is shorter than the length of both end surfaces 24 of the battery cell 20 in the front-rear direction.
- the length of the heat sink 30 in the left-right direction (the distance between the end faces 33 and 35) is shorter than the length of the battery cell 20 in the left-right direction (the distance between the end faces 23 and 25).
- the length of the heat sink 30 in the front-rear direction (the distance between the end faces 34, 34) is longer than the length of the battery cell 20 in the front-rear direction (the distance between the end faces 24, 24).
- the -X direction end faces (end faces 25, 35) of the front-rear and left-right direction end faces of the heat sink 30 and the battery cells 20 are aligned so as to be included in the same plane.
- the end face 25 does not protrude from the end face 35 in the -X direction
- the end face 35 does not protrude from the end face 25 in the -X direction.
- the distance between end faces 33,35 is less than the distance between end faces 23,25. Therefore, the end face 23 of the battery cell 20 protrudes from the end face 33 of the heat sink 30 in the +X direction.
- the battery cell 20 and the heat sink 30 can be easily positioned when assembling the battery module 100. . Note that both end surfaces 34 of the heat sink 30 protrude with respect to both end surfaces 24 of the battery cells 20 in the front-rear direction.
- the radiator plate 30 has a linear first inclined portion 36 connecting the end surfaces 33 and 34 and a linear second inclined portion 38 connecting the end surfaces 34 and 35 .
- the first inclined portion 36 is an example of a guide portion.
- the first inclined portion 36 and the second inclined portion 38 are provided on both sides of the radiator plate 30 in the front-rear direction. Also, the first inclined portion 36 and the second inclined portion 38 are provided on all the heat sinks 30 (see also FIG. 2). Outside the inclined portions 36 and 38 (at the four corners of the battery cell 20), the radiator plate 30 does not exist between the vertically adjacent battery cells 20 and 20. As shown in FIG. That is, at the four corners of the battery cell 20, gaps are provided between the vertically adjacent battery cells 20,20.
- the battery module 100 is mounted on the moving body so that the front-rear direction (Y direction) is located forward and rearward in the traveling direction of the moving body. That is, the battery module 100 is mounted on the moving body such that the pair of openings 2 are positioned forward and rearward in the moving direction of the moving body. Therefore, when the moving object moves, air flows into the battery case 10 through one opening 2 and is discharged out of the battery case 10 through the other opening 2 . Air hardly flows into the battery case 10 from the outside of the battery case 10 at the opening 2b of the opening 2 facing the end surface 34 of the heat sink 30 . This is because the heat sink 30 exists between the battery cells 20, 20 in the opening 2b. Movement of air into and out of the battery case 10 is performed at an opening portion 2 a of the opening 2 that faces the first inclined portion 36 .
- the first inclined portion 36 functions as a guide portion that guides the flow of air from the opening 2 toward the circuit board 40 .
- the first inclined portions 36 are provided on both sides of the radiator plate 30 in the front-rear direction. That is, for each of the pair of openings 2 , the radiator plate 30 has a guide portion that guides the flow of air from the opening 2 toward the circuit board 40 (or guides the flow of air from the circuit board 40 toward the opening 2 ). It has a guide part). Therefore, one of the first inclined portions 36 guides the air from the opening 2 to the circuit board 40 and the other guides the air from the circuit board 40 to the opening 2 .
- the heat sink 30 is provided with the first inclined portion 36 (guide portion), the heat is directed from the outside of the battery case 10 toward the circuit board 40 and from the circuit board 40 toward the outside of the battery case 10. , can guide the air flow. As a result, the circuit board 40 can be efficiently cooled.
- the first inclined portions 36 on both sides of the heat sink 30 in the front-rear direction, the heat generated in the circuit board 40 is efficiently discharged to the outside of the battery case 10, and the temperature rise in the battery case 10 is suppressed. By suppressing the temperature rise in the battery case 10, the occurrence of abnormality in the battery cells 20 is suppressed.
- the first inclined portion 36 is provided at a position corresponding to the corner of the battery cell 20 . That is, heat is not radiated from the corners of the battery cells 20 by the radiator plate 30 . When the battery cell 20 generates heat, the heat generation temperature is higher at the central portion than at the corner portions of the battery cell 20 . In the battery module 100, the heat generated in the battery cells 20 is ensured by the heat dissipation plate 30 in the portion where the heat generation of the battery cells 20 is large, and the heat dissipation by the heat dissipation plate 30 is omitted in the portion where the heat generation of the battery cells 20 is small. can efficiently dissipate heat. Moreover, in the battery module 100 , all the heat sinks 30 are provided with the first inclined portions 36 . That is, gaps are formed at all the corners between the battery cells 20, 20 that are adjacent in the vertical direction. A large air flow path area can be secured, and the cooling efficiency of the circuit board 40 can be enhanced.
- a pair of electrode tabs 22 extend in the same direction (+X direction) from the exterior of the battery cell 20 , and the circuit board 40 is arranged between the pair of electrode tabs 22 .
- the components (battery cells 20, heat sink 30, and circuit board 40) inside the battery case 10 are arranged efficiently, and the space inside the battery case 10 can be effectively utilized. As a result, the size of the battery module 100 can be reduced.
- the battery module 100 is mounted on a moving object so that the surfaces (surfaces in the front-rear direction) on which the pair of openings 2 are provided are located forward and rearward in the traveling direction of the moving object. Therefore, as the moving object moves, air flows into the battery case 10 through one opening 2 and is discharged out of the battery case 10 through the other opening 2 . Air can be introduced into the battery case 10 without providing a device (such as a fan) for sending air into the battery case 10 .
- a device such as a fan
- the gist of the technology disclosed in this specification is to provide an opening in the battery case that communicates the inside and outside of the battery case, and to provide a guide portion that guides the flow of air from the opening toward the circuit board in the heat sink. Therefore, among the features of the battery module described in the above embodiments, the features other than the above-described gist are not necessarily essential. For example, the position where the circuit board is arranged does not have to be between the pair of electrode tabs. Also, the pair of electrode tabs may extend in different directions from the ends of the exterior of the battery cell.
- the position where the circuit board is arranged and the direction in which the electrode tab extends (the position where the battery tab is arranged) can be appropriately changed according to the shape of the space in which the battery module is arranged (that is, the outer shape of the battery module).
- the position where the opening is provided in the battery case, the position where the guide section is provided in the heat sink, the shape of the guide section, and the like can be appropriately changed as necessary.
- An opening may be provided only on one side of the battery case, and only one guide portion may be formed on the heat sink. Even in this case, the air outside the battery module can be efficiently supplied to the circuit board by providing the guide portion.
- some of the heat sinks may be provided with the guide portions, and the other heat sinks may not be provided with the guide portions. For example, if the thickness of the circuit board (the distance in the vertical direction) is thinner than the thickness of the laminate of the battery cells and the heat sink, only the heat sink corresponding to the thickness of the circuit board is provided with guides, It is not necessary to provide a guide portion on the portion of the heat sink that does not correspond to the thickness of the plate.
- the direction in which the battery modules are arranged with respect to the moving body can be arbitrarily changed.
- the opening of the battery case does not have to be located forward and backward in the traveling direction of the moving body.
- the battery case should be designed according to the air flow path. The orientation of the opening may be adjusted.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Aviation & Aerospace Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
Description
図1を参照し、電池モジュール100について説明する。電池モジュール100は、有人航空機,無人航空機(ドローン)等の飛行体、自動車,オートバイ等の車両等、移動体(図示省略)に搭載される。電池モジュール100は、移動体に搭載されているモータ、電子機器等に電力を供給する。電池モジュール100は、電池ケース10と、電池ケース10内に収容された複数の電池セル20と、電池ケース10内に収容された複数の放熱板30を備えている。なお、詳細は後述するが、電池ケース10内には、電池モジュール100に異常が生じた際に電池セル20の通電を遮断するための回路基板40(図2を参照)も収容されている。 (battery module)
The
電池モジュール100は、放熱板30に第1傾斜部36(案内部)が設けられているので、電池ケース10外から回路基板40に向けて、及び、回路基板40から電池ケース10外に向けて、空気の流れを案内することができる。その結果、回路基板40を効率よく冷却することができる。なお、放熱板30の前後方向両側に第1傾斜部36を設けることにより、回路基板40で生じた熱が電池ケース10外に効率よく排出され、電池ケース10内の温度上昇が抑制される。電池ケース10内の温度上昇を抑制することにより、電池セル20に異常が生じることが抑制される。 (Advantages of Battery Module 100)
In the
本明細書で開示する技術の要旨は、電池ケースに電池ケースの内外を連通する開口を設け、放熱板に開口から回路基板に向けて空気の流れを案内する案内部を設けることである。そのため、上記実施例で説明した電池モジュールの特徴のうち、上記要旨以外の特徴は、必ずしも必須ではない。例えば、回路基板を配置する位置は、一対の電極タブの間でなくてもよい。また、一対の電極タブは、電池セルの外装の端部から互いに異なる方向に伸びていてもよい。回路基板を配置する位置、電極タブが伸びる方向(電池タブを設ける位置)は、電池モジュールが配置されるスペースの形状(すなわち、電池モジュールの外形)に応じて適宜変更することができる。同様に、電池ケースに開口を設ける位置、放熱板に案内部を設ける位置及び案内部の形状等も、必要に応じて適宜変更することができる。 (Other embodiments)
The gist of the technology disclosed in this specification is to provide an opening in the battery case that communicates the inside and outside of the battery case, and to provide a guide portion that guides the flow of air from the opening toward the circuit board in the heat sink. Therefore, among the features of the battery module described in the above embodiments, the features other than the above-described gist are not necessarily essential. For example, the position where the circuit board is arranged does not have to be between the pair of electrode tabs. Also, the pair of electrode tabs may extend in different directions from the ends of the exterior of the battery cell. The position where the circuit board is arranged and the direction in which the electrode tab extends (the position where the battery tab is arranged) can be appropriately changed according to the shape of the space in which the battery module is arranged (that is, the outer shape of the battery module). Similarly, the position where the opening is provided in the battery case, the position where the guide section is provided in the heat sink, the shape of the guide section, and the like can be appropriately changed as necessary.
Claims (7)
- 電池セルと、
電池セルに接している放熱板と、
回路基板と、
電池セル、放熱板及び回路基板を収容する電池ケースと、を備え、
電池ケースに、電池ケースの内外を連通する開口が設けられており、
放熱板に、前記開口から回路基板に向けて空気の流れを案内する案内部が設けられている、電池モジュール。 a battery cell;
a heat sink in contact with the battery cell;
a circuit board;
a battery case that accommodates the battery cell, the heat sink, and the circuit board,
The battery case has an opening that communicates the inside and outside of the battery case,
The battery module, wherein the radiator plate is provided with a guide portion that guides air flow from the opening toward the circuit board. - 請求項1に記載の電池モジュールであって、
一対の電極タブが、電池セルの外装の端部から第1方向に伸びており、
回路基板が、一対の電極タブの間に配置されている、電池モジュール。 The battery module according to claim 1,
a pair of electrode tabs extending in a first direction from an end of the exterior of the battery cell;
A battery module, wherein a circuit board is disposed between a pair of electrode tabs. - 請求項2に記載の電池モジュールであって、
前記開口が、第1方向に交差する第2方向に設けられており、
案内部が、放熱板の第1方向の端面と第2方向の端面を結ぶ直線状に形成されている、電池モジュール。 The battery module according to claim 2,
The opening is provided in a second direction that intersects the first direction,
The battery module, wherein the guide portion is formed in a straight line connecting the end surface of the heat sink in the first direction and the end surface in the second direction. - 請求項1から3のいずれか一項に記載の電池モジュールであって、
前記開口が、電池ケースの対向する両面に一対に設けられており、
放熱板は、一対の前記開口の各々に対し、前記開口から回路基板に向けて空気の流れを案内する案内部を有している、電池モジュール。 The battery module according to any one of claims 1 to 3,
A pair of openings are provided on opposite sides of the battery case,
The battery module, wherein the radiator plate has a guide portion for each of the pair of openings that guides air flow from the opening toward the circuit board. - 請求項4に記載の電池モジュールであって、
電池モジュールは、移動体に電力を供給するために用いられるとともに、一対の前記開口が移動体の進行方向の前方及び後方に位置するように配置される、電池モジュール。 The battery module according to claim 4,
The battery module is used to supply electric power to a mobile body, and is arranged such that the pair of openings are positioned forward and rearward in a traveling direction of the mobile body. - 請求項1から5のいずれか一項に記載の電池モジュールであって、
電池セルの端面のうちの回路基板と対向する端面とは反対側の端面が、放熱板の端面のうちの回路基板と対向する端面とは反対側の端面と同一平面に含まれている、電池モジュール。 The battery module according to any one of claims 1 to 5,
A battery in which an end face of the battery cell opposite to the end face facing the circuit board is included in the same plane as an end face of the heat sink opposite to the end face facing the circuit board. module. - 請求項1から6のいずれか一項に記載の電池モジュールであって、
電池ケース内に、複数の電池セルが積層して配置されており、
各電池セルの間に放熱板が配置されており、
全ての放熱板に案内部が設けられている、電池モジュール。 The battery module according to any one of claims 1 to 6,
A plurality of battery cells are stacked and arranged in the battery case,
A heat sink is placed between each battery cell,
A battery module in which all heat sinks are provided with guides.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202280008533.7A CN116711128A (en) | 2021-02-02 | 2022-01-11 | Battery module |
KR1020237017265A KR20230093299A (en) | 2021-02-02 | 2022-01-11 | battery module |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021015264A JP2022118614A (en) | 2021-02-02 | 2021-02-02 | battery module |
JP2021-015264 | 2021-02-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022168539A1 true WO2022168539A1 (en) | 2022-08-11 |
Family
ID=82741134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2022/000598 WO2022168539A1 (en) | 2021-02-02 | 2022-01-11 | Battery module |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP2022118614A (en) |
KR (1) | KR20230093299A (en) |
CN (1) | CN116711128A (en) |
WO (1) | WO2022168539A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005093144A (en) * | 2003-09-12 | 2005-04-07 | Tokyo R & D Co Ltd | Battery-cooling system, and power supply device and motor vehicle equipped with the system |
JP2006185894A (en) * | 2004-11-30 | 2006-07-13 | Nec Lamilion Energy Ltd | Film-armored electric device assembly |
JP2019097293A (en) * | 2017-11-22 | 2019-06-20 | 矢崎総業株式会社 | Battery monitoring device |
JP2020161461A (en) * | 2019-03-28 | 2020-10-01 | 株式会社豊田自動織機 | Power storage device |
JP2021082512A (en) * | 2019-11-20 | 2021-05-27 | 愛三工業株式会社 | Battery module |
-
2021
- 2021-02-02 JP JP2021015264A patent/JP2022118614A/en active Pending
-
2022
- 2022-01-11 KR KR1020237017265A patent/KR20230093299A/en unknown
- 2022-01-11 WO PCT/JP2022/000598 patent/WO2022168539A1/en active Application Filing
- 2022-01-11 CN CN202280008533.7A patent/CN116711128A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005093144A (en) * | 2003-09-12 | 2005-04-07 | Tokyo R & D Co Ltd | Battery-cooling system, and power supply device and motor vehicle equipped with the system |
JP2006185894A (en) * | 2004-11-30 | 2006-07-13 | Nec Lamilion Energy Ltd | Film-armored electric device assembly |
JP2019097293A (en) * | 2017-11-22 | 2019-06-20 | 矢崎総業株式会社 | Battery monitoring device |
JP2020161461A (en) * | 2019-03-28 | 2020-10-01 | 株式会社豊田自動織機 | Power storage device |
JP2021082512A (en) * | 2019-11-20 | 2021-05-27 | 愛三工業株式会社 | Battery module |
Also Published As
Publication number | Publication date |
---|---|
KR20230093299A (en) | 2023-06-27 |
JP2022118614A (en) | 2022-08-15 |
CN116711128A (en) | 2023-09-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10321613B2 (en) | Inverter power module packaging with cold plate | |
KR102473335B1 (en) | Battery module and battery pack including the same | |
JP7282435B2 (en) | BATTERY MODULE, MANUFACTURING METHOD THEREOF, AND BATTERY PACK | |
KR102468618B1 (en) | Battery module, method of manufacturing the same and battery pack | |
EP3067962B1 (en) | Battery pack | |
JP6283379B2 (en) | Capacitor layout | |
JP5285489B2 (en) | Battery assembly | |
JP2010087002A (en) | Heating component cooling structure | |
KR102465865B1 (en) | Battery module, method of manufacturing the same and battery pack | |
JP7047929B2 (en) | Semiconductor device | |
KR20170027075A (en) | Cover having cooling hole for battery cell of eco-friendly vehicle | |
WO2022168539A1 (en) | Battery module | |
JP6370526B1 (en) | Motor drive device | |
CN115298881A (en) | Battery device | |
KR102683482B1 (en) | Battery Pack | |
KR102473125B1 (en) | Battery module and battery pack including the same | |
JP2012164743A (en) | On-vehicle electronic apparatus | |
JP2013085393A (en) | Power conversion apparatus | |
JP5992235B2 (en) | Control device | |
KR102180032B1 (en) | Motor drive device | |
JP7493435B2 (en) | Heat dissipation structure for electronic devices | |
US11324148B2 (en) | Cooling system for power modules | |
WO2023048027A1 (en) | Control device | |
JP4930406B2 (en) | Power semiconductor device and inverter device using the same | |
EP4064810A1 (en) | Chassis and power supply system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22749416 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 20237017265 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202280008533.7 Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 22749416 Country of ref document: EP Kind code of ref document: A1 |