WO2018080033A1 - Module de batterie ayant une structure de fixation pour capteur de température - Google Patents

Module de batterie ayant une structure de fixation pour capteur de température Download PDF

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Publication number
WO2018080033A1
WO2018080033A1 PCT/KR2017/010554 KR2017010554W WO2018080033A1 WO 2018080033 A1 WO2018080033 A1 WO 2018080033A1 KR 2017010554 W KR2017010554 W KR 2017010554W WO 2018080033 A1 WO2018080033 A1 WO 2018080033A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
battery cell
battery
printed circuit
module
Prior art date
Application number
PCT/KR2017/010554
Other languages
English (en)
Korean (ko)
Inventor
하머쉬미트헬무트
호퍼막시밀리안
코틱어반
Original Assignee
삼성에스디아이 주식회사
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
Priority claimed from EP16195595.0A external-priority patent/EP3316384B1/fr
Application filed by 삼성에스디아이 주식회사 filed Critical 삼성에스디아이 주식회사
Priority to US16/342,147 priority Critical patent/US11127990B2/en
Priority to CN201780066245.6A priority patent/CN109891661B/zh
Publication of WO2018080033A1 publication Critical patent/WO2018080033A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • 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
    • H01M10/04—Construction or manufacture in general
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • 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
    • H01M10/63—Control systems
    • H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular 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
    • H01M50/284—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]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/10—Temperature sensitive devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/10—Temperature sensitive devices
    • H01M2200/105—NTC
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/10—Temperature sensitive devices
    • H01M2200/106—PTC
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to a battery module comprising a specific arrangement for fixing between a thermosensitive element and a protection circuit module suitable for measuring the temperature of a battery cell.
  • Secondary cells differ from primary cells in that they can be repeatedly charged and discharged, while primary cells provide only an irreversible conversion of chemical energy into electrical energy.
  • Low capacity secondary batteries are used as power sources for small electronic devices such as mobile phones, notebook computers and camcorders, while high capacity secondary batteries are used as power sources for hybrid vehicles and the like.
  • a secondary battery in general, includes an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode, a case accommodating the electrode assembly, and an electrode terminal electrically connected to the electrode assembly.
  • the electrolyte is injected into the case to allow the battery to be charged and discharged through the electrochemical reaction of the positive electrode, the negative electrode, and the electrolyte solution.
  • the shape of the case such as cylindrical or rectangular, depends on the purpose of the battery.
  • the secondary battery may be used as a battery module in which a plurality of unit battery cells are connected in series and / or in parallel to provide high density energy required for driving a motor of a hybrid vehicle. That is, the battery module is configured by connecting the electrode terminals of the plurality of battery cells to each other in order to realize the high output power required in the electric vehicle.
  • the battery modules can be configured in a block or modular design.
  • each cell is connected to one common current control structure and cell management system and disposed within the housing as a unit.
  • a plurality of battery cells are connected to submodules and a plurality of submodules are connected to form a module.
  • the battery management function may be implemented at least partially at the module or submodule level, thereby improving compatibility.
  • at least one battery module must be mechanically and electrically integrated, a thermal management system must be provided, and communication with at least one electrical consumer must be established.
  • Thermal management systems usually include a protection circuit module disposed adjacent to the battery cell.
  • the present invention provides a battery module which can solve or reduce at least some of the above disadvantages and can be achieved by a simple manufacturing process using an inexpensive member.
  • At least one battery cell a protective circuit module comprising a rigid printed circuit board and electrically coupled to the battery cell, at least one thermosensitive element provided on a surface of the battery cell and the protective circuit module and the thermosensitive element It provides a battery module including a flexible printed circuit board for electrically connecting the.
  • thermosensitive element even if the relative movement between the battery cell and the protection circuit module caused by an external impact, the function or arrangement position of the thermosensitive element provided on the surface of the battery cell is guaranteed. It provides the battery module. Thus, the manufacturing process should be simple so that the manufacturing cost is kept low. To accomplish this, the thermosensitive element is placed directly on the surface of the battery cell and connected to the protective circuit module using the flexible printed circuit board.
  • the flexible printed circuit is made of a plurality of arranged conductors or the like bonded to a thin insulating film.
  • the flexible circuit requires less manual work in the assembly process and reduces the occurrence of errors in the production process.
  • Flexible circuits have unique features that combine form, fit, and function. Flexible circuitry eliminates the high cost of routing, cladding, and soldering. Errors due to wiring work are eliminated and process costs are reduced.
  • the protective circuit module is not suitable for implementation on the flexible printed circuit board as compared to rigid circuit boards that provide high component density.
  • the battery module of the present invention combines the advantages of rigid and flexible circuits.
  • the rigid printed circuit board comprises a slit
  • the flexible printed circuit board extends from the temperature sensing element through the slit to the upper surface of the rigid printed circuit board, It is coupled with the protective circuit module, which sits on the top surface of the rigid printed circuit board.
  • the connection between the temperature sensor and the protective circuit module is made at the upper surface of the rigid printed circuit board.
  • the flexible printed circuit board passes through a dedicated slit in the rigid printed circuit board without passing the outer edge of the rigid printed circuit board and reaching the top surface. Therefore, through the normal bonding process such as soldering, the flexible printed circuit board and the wiring pattern on the rigid printed circuit board can be easily contacted with each other on the upper side of the battery module.
  • the battery module includes a foam member disposed between the lower surface of the rigid printed circuit board and the thermosensitive element.
  • the foam member may be made of an electrically insulating material made of an elastic polymer.
  • the foam member can be easily disposed at a predetermined position to designate.
  • a flexible printed circuit board provided with the thermosensitive element at one of its ends may be secured by an adhesive to the surface of the battery cell.
  • a foam member is disposed on the thermosensitive element, and when mounting the protective circuit module, the other end of the flexible printed circuit board passes through the slit.
  • the foam member may be formed after the protective circuit module is first mounted by extruding the expandable compound into the gap between the thermosensitive element and the rigid printed circuit board.
  • a conductive adhesive layer is provided between the thermosensitive element and the surface of the battery cell. Accordingly, the position of the thermosensitive element may be fixed to the surface of the battery cell.
  • the flexible printed circuit board may first be soldered to the rigid printed circuit board. One end of the flexible printed circuit board on which the temperature sensing member is disposed is fixed to the rigid printed circuit board by the foam member through the slit. Thereafter, a temperature element is fixed to the foam member. While assembling the rigid printed circuit board on the top surface of the battery cell, the temperature sensing member is pressed against the cell surface. An adhesive disposed between the temperature sensing member and the cell surface can ensure thermal contact. The foam member ensures the pressure necessary for contact while the adhesive is cured.
  • Another aspect of the present invention provides an automobile including the battery module described above.
  • thermosensitive element can be fixed to the surface of the battery cell through a simple structure and method. As a result, an increase in manufacturing cost of the battery module can be prevented.
  • FIG. 1 is a perspective view of a battery module.
  • FIG. 2 is a partial cross-sectional view of a battery cell according to the present invention.
  • FIG. 3 is a partially enlarged cross-sectional perspective view of the battery cell of FIG. 2.
  • thermosensitive element coupled to a rigid printed circuit board through a flexible printed circuit.
  • FIG. 5 is a partial perspective view of a battery module including a thermosensitive element coupled with a rigid printed circuit board through a flexible printed circuit comprising a foam member.
  • Spatial representations such as below, below, below, above, above, and above are for comparing features of one component relative to other components as shown in the figures.
  • the components may have different directions or be arranged in various spaces, and thus the above spatial representations are not necessarily limited by the present invention.
  • expressions such as below and above may include both up and down directions. It should also be construed that the device is arranged in various directions, such as being able to rotate 90 degrees or in another direction.
  • one component or layer When one component or layer is represented as, connected to, or combined on top of another component or layer, it may be directly connected to another component or layer, or at least one other component interposed between the components. There may be elements or layers. In addition, one component or layer may be present only between two other components or layers, or at least one intermediate component or layer may be interposed between the components.
  • a general battery module 100 includes a plurality of battery cells 10 arranged in one direction and a heat exchange member 110 provided to be adjacent to bottom surfaces of the plurality of battery cells 10. It includes. A pair of end plates 18 is provided outside the battery cell 10 to face the wide surface of the battery cell 10, and the connecting plate 19 connects the pair of end plates 18 to each other to form a plurality of end plates 18. Configured to hold the battery cells 10 together.
  • the fastening portions 18a formed at both sides of the battery module 100 are fixed to the support plate 31 through bolts 40.
  • the support plate 31 is part of the housing 30.
  • an elastic member 120 made of rubber or other elastic material may be disposed between the support plate 31 and the heat exchange member 110.
  • each battery cell 10 is a rectangular (or square) cell, and the wide planes of the cells are stacked together to form a battery module.
  • each battery cell 10 includes a battery case configured to receive an electrode assembly and an electrolyte solution.
  • the battery case is sealed by the cap assembly 14.
  • the cap assembly 14 is provided with the positive terminal 11 and the negative terminal 12 and the vent 13 having different polarities.
  • the vent 13, which is a safety means of the battery cell 10 serves as a passage for discharging the gas generated in the battery cell 10 to the outside.
  • the positive and negative terminals 11 and 12 of the neighboring battery cells 10 are electrically connected through the bus bars 15, and the bus bars 15 are fixed by fastening means such as nuts 16. Can be.
  • the battery module 100 may be electrically connected to the plurality of battery cells 10 to be a bundle and used as a power supply device.
  • the battery cell 10 may be a rechargeable secondary battery such as a lithium secondary battery.
  • the battery module 100 may be a 48V battery used in automotive related applications.
  • the battery cell 10 generates a large amount of heat during charging and discharging. The generated heat is accumulated in the battery cell 10 to accelerate the deterioration of the battery cell 10. Therefore, the battery module 100 includes a heat exchange member 110 provided to be adjacent to the bottom surface of the battery cell 10 to cool the battery cell 10.
  • it includes means for detecting the temperature of the battery cell 10 to safely operate the battery module 100.
  • Such temperature detection means comprise a protection circuit module and a temperature sensor (not shown in FIG. 1).
  • FIG. 2 is a partial cross-sectional view of one battery cell 10 of the battery module 100 of FIG. 1.
  • 3 is a schematic cross-sectional view partially enlarged of a region of the battery cell according to FIG. 2, in which temperature measurement is performed on the battery cell 10. 2 and 3, the battery module 100 includes a protection circuit module 130 electrically connected to the battery cell 10. In addition, the protection circuit module 130 is electrically connected to the temperature sensing element 150 through the flexible printed circuit board 140.
  • each battery cell 10 of the battery module 100 is electrically connected to the protection circuit module 130.
  • only one protection circuit module 130 is connected to all battery cells 10 of the battery module 100.
  • two or more separate protection circuit modules may be connected to one battery cell or battery cell assembly.
  • the protection circuit module 130 is placed on the side of the battery cell 10 such that a gap is formed between the surface of the battery cell 10 and the surface of the protection circuit module 130 facing the battery cell 10.
  • the protection circuit module 130 is disposed on the top surface of the battery cell 10 in which the electrode terminals 11 and 12 are disposed.
  • the protection circuit module 130 is electrically connected to the battery cell 10 to control charging and discharging and to prevent the battery cell 10 from being overcharged or discharged.
  • the protection circuit module 130 has a rigid printed circuit board 131 having connection terminals 132a and 132b for connecting the terminals 11 and 12 of the battery cell 10 and the upper surface of the rigid circuit board 131. It includes at least one semiconductor element 133 located in.
  • the semiconductor device 133 may include an integrated circuit configured to compare the measured temperature of the battery cell 10 with a limit value for the allowable battery cell temperature.
  • the circuit board 131 includes a wiring pattern (not shown) formed on the surface.
  • the body of the circuit board 131 may be made of a hard electrically insulating material such as polyimide (PI) or polyethylene (PET).
  • the wiring pattern may be made of an electrically conductive material such as copper (Cu), titanium (Ti), nickel (Ni), or palladium (Pd).
  • connection terminals 132a and 132b may be made by exposing a part of the wiring pattern or may be made by further providing a conductive material such as gold (Au) to the exposed part of the wiring pattern as implemented in the present embodiment.
  • a conductive material such as gold (Au)
  • the semiconductor device 133 applies a signal for controlling the operation of the battery cell 10.
  • the semiconductor device 133 controls charging and discharging through the high current line of the battery cell 10.
  • the semiconductor element 133 applies a signal representing the voltage, current and temperature of the battery cell 10, for example, to prevent excessive charging or discharging.
  • the semiconductor device 133 applies information about the temperature of the battery cell 10 from the temperature sensing element 150 through the flexible printed circuit board 140 and controls the operation of the battery cell 10.
  • the information about the voltage, the current, and the temperature may be transferred to the semiconductor device 133 through the wiring pattern of the circuit board 131.
  • the flexible printed circuit board 140 connects the thermal element 150 provided on the surface of the battery cell 10 and the protection circuit module 130.
  • each of the battery cells 10 of the battery module 100 includes at least one temperature-sensitive element 150 for individually measuring the temperature of each battery cell 10. However, in some applications, it is sufficient to place at least two thermal elements 150 in the battery module 100.
  • the flexible printed circuit board 140 includes a sense line (not shown) for transferring a signal from the connected thermosensitive element 150 to the protection circuit module 130. Accordingly, the protection circuit module 130 may check the temperature value of the corresponding battery cell 10.
  • the flexible printed circuit board 140 extends between the protective circuit module 130 and the temperature sensing element 150. Since the flexible printed circuit board 140 can be easily bent, the connection between the corresponding components is stably maintained even when the battery cell 10 or the protection circuit module 130 moves within the housing 30. More specifically, the flexible printed circuit board 140 extends through the slit 135 in the circuit board 131 and one end of the flexible printed circuit board 140 has a protective circuit on the top surface of the circuit board 131. It is electrically connected to the wiring pattern of the module 130. Accordingly, a connector (not shown) may be provided on the upper surface of the circuit board 131 to contact the sensing line of the flexible printed circuit board 140 through a general soldering process or the like.
  • the temperature sensing element 150 is provided on one surface of the battery cell 10.
  • the temperature sensing element 150 may be a temperature sensor.
  • NTC negative temperature
  • PTC characteristic thermistor
  • the protection circuit module 130 may control the charging and discharging of the battery cell 10.
  • the thermal element 150 is provided in the configuration of a chip thermistor.
  • the chip thermistor is simply connected to the circuit board 131 of the protective circuit module 130 via a flexible printed circuit board 140 by, for example, a solder mounting process, thereby reducing the overall number of processes. Can be reduced. Moreover, this solder mounting process can be automated.
  • the foam member 160 is disposed between the protective circuit module 130 and a portion of the flexible printed circuit board 140 supporting the thermosensitive element 150 to fix the thermosensitive element 150 to the top surface of the battery cell 10. Is provided. Thus, the thermosensitive element 150 is pressed onto the top surface of the battery cell 10 by the foam member 160 inserted between the flexible printed circuit board 140 and the protective circuit module 130. Optionally, the thermal element 150 may be fixed to the top surface of the battery cell 10 including the conductive adhesive layer 170.
  • Foam member 160 may be made of an electrically insulating material.
  • the foam member is preferably made of a polymeric material, such as an elastomer, to attenuate the relative movement between the battery cell 10 and the protective circuit module 130.
  • Materials useful as the foam member include polyurethane and the like.
  • FIG. 4 is a partial perspective view of a battery module 100 including a thermal element 150 that couples with a rigid printed circuit board 131 through a flexible printed circuit board 140.
  • the battery cell 10 and the foam member 160 are not shown in FIG. 4, and the rigid printed circuit board 131 is semitransparently indicated by dotted lines.
  • the flexible printed circuit board 140 extends from the surface facing the battery cell through the slit 135 of the rigid printed circuit board 131 to the surface facing the battery cell.
  • the flexible printed circuit board 140 is coupled with a wiring pattern (not shown) on the upper surface of the rigid printed circuit board 131.
  • FIG. 5 is a partial perspective view of the battery module 100 further showing the foam member 160 in FIG. 4.
  • battery module 135 slit
  • protection circuit module 150 thermal element
  • connection terminal 170 thermally conductive adhesive layer

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Automation & Control Theory (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

La présente invention concerne un module de batterie. Le module de batterie comprend au moins une cellule de batterie et une carte de circuit imprimé rigide, et comprend : un module de circuit de protection couplé électriquement à la cellule de batterie; au moins un capteur de température disposé sur la surface de la cellule de batterie; et une carte de circuit imprimé flexible pour connecter électriquement le module de circuit de protection et le capteur de température.
PCT/KR2017/010554 2016-10-25 2017-09-25 Module de batterie ayant une structure de fixation pour capteur de température WO2018080033A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US16/342,147 US11127990B2 (en) 2016-10-25 2017-09-25 Battery module having fixing structure for temperature sensing element
CN201780066245.6A CN109891661B (zh) 2016-10-25 2017-09-25 具有用于温度感测元件的固定结构的电池模块

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP16195595.0A EP3316384B1 (fr) 2016-10-25 2016-10-25 Module de batterie avec fixation pour un élément sensible à la température
EP16195595.0 2016-10-25
KR1020170122623A KR102410002B1 (ko) 2016-10-25 2017-09-22 감온 소자를 위한 고정 구조를 갖는 전지 모듈
KR10-2017-0122623 2017-09-22

Publications (1)

Publication Number Publication Date
WO2018080033A1 true WO2018080033A1 (fr) 2018-05-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2017/010554 WO2018080033A1 (fr) 2016-10-25 2017-09-25 Module de batterie ayant une structure de fixation pour capteur de température

Country Status (2)

Country Link
CN (1) CN109891661B (fr)
WO (1) WO2018080033A1 (fr)

Cited By (5)

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CN111435723A (zh) * 2019-01-11 2020-07-21 莫仕连接器(成都)有限公司 电池连接模块
CN112490522A (zh) * 2019-09-12 2021-03-12 北京小米移动软件有限公司 电池保护模组及方法、电池、移动终端
US20210320338A1 (en) * 2020-04-14 2021-10-14 Samsung Sdi Co., Ltd. Battery pack
EP3934004A4 (fr) * 2019-11-25 2022-06-22 Contemporary Amperex Technology Co., Limited Module de batterie, bloc-batterie et véhicule
EP3965210A4 (fr) * 2019-06-28 2024-07-03 Contemporary Amperex Technology Co Ltd Module de batterie et dispositif

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111430826B (zh) * 2018-12-21 2022-06-14 宁德时代新能源科技股份有限公司 电池模组
CN112151894B (zh) * 2019-06-28 2022-04-26 宁德时代新能源科技股份有限公司 电池模组
US11695189B2 (en) 2020-01-09 2023-07-04 Samsung Sdi Co., Ltd. Battery system with flexible printed circuit
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