WO2019134699A1 - Module de batterie et automobile - Google Patents

Module de batterie et automobile Download PDF

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Publication number
WO2019134699A1
WO2019134699A1 PCT/CN2019/070632 CN2019070632W WO2019134699A1 WO 2019134699 A1 WO2019134699 A1 WO 2019134699A1 CN 2019070632 W CN2019070632 W CN 2019070632W WO 2019134699 A1 WO2019134699 A1 WO 2019134699A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery module
pole
expansion
area
pole mounting
Prior art date
Application number
PCT/CN2019/070632
Other languages
English (en)
Chinese (zh)
Inventor
蒋露霞
程晗
颜海鹏
潘仪
何科峰
袁万颂
Original Assignee
比亚迪股份有限公司
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 CN201810474865.XA external-priority patent/CN110021721B/zh
Application filed by 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Publication of WO2019134699A1 publication Critical patent/WO2019134699A1/fr

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Classifications

    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
    • 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
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • 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 application relates to the field of batteries, and relates to a battery module and an automobile.
  • the performance of the battery has an important impact on the overall performance and experience; for example, the capacity of the battery determines the overall battery life and is one of the main concerns of the user.
  • a plurality of battery cells may be combined in series or in parallel to form a battery module.
  • the overall volume of the battery module roughly determines the battery capacity.
  • the installation environment of the battery module in the electronic device or the power tool basically determines the space occupied by the whole, and the volume of the battery module is difficult to increase, and the volume of the corresponding single battery unit is also There is no limit to the increase, and the capacity of the battery is limited.
  • the present application provides a battery module, wherein the battery module includes a module body, a pole and a sampling unit, and the module body includes a first expansion end, and the first expansion end Providing a pole mounting area and a first expansion area protruding relative to the pole mounting area, the pole mounting area being recessed relative to the first expansion area to form a pole mounting space, the pole being at least partially located In the pole installation space, the sampling unit is connected to the pole.
  • the sampling unit includes a flexible circuit board, a sampling terminal, and the sampling terminal connects the flexible circuit board and the pole.
  • the battery module includes a connecting plate, each of the connecting plates connecting two adjacent poles, and the sampling terminal is connected to the connecting plate.
  • the first expansion end is provided with two pole mounting regions parallel to each other, and the first expansion region is disposed between the two pole mounting regions.
  • the battery module includes a plurality of poles arranged along a length direction of the pole mounting region.
  • the flexible circuit board is disposed in the expansion area and extends along a length direction of the pole mounting area.
  • the module body includes a second expansion end, and the second expansion end is provided with a cooling structure mounting area and a second expansion area protruding relative to the cooling structure mounting area,
  • the cooling structure mounting area is recessed relative to the second expansion area to form a cooling structure installation space.
  • the battery module includes a case for accommodating the module body, and the case includes an upper cover and a lower cover, wherein two poles pass through the upper cover.
  • the top surface of the upper cover is provided with a recessed area, and the pole is disposed through the recessed area.
  • the battery module includes a plurality of battery cells of identical construction, each of the battery cells being provided with a portion of the pole mounting region and a portion of the first expansion region.
  • the present application also provides an automobile, wherein the automobile includes at least one battery module described in the above aspect.
  • corresponding pole mounting regions and relatively protruding expansion regions are respectively disposed, thereby increasing the volume of the module body in a limited space defined by the external structure, allowing the battery unit It has a larger volume, which increases battery capacity.
  • FIG. 1 is a perspective view of a battery module according to an embodiment of the present application.
  • FIG. 2 is a perspective view of a battery module according to an embodiment of the present application.
  • FIG. 3 is a perspective view of a battery module according to an embodiment of the present application.
  • FIG. 4 is a perspective view of a battery module according to an embodiment of the present application.
  • FIG. 5 is a perspective view of a battery module according to an embodiment of the present application.
  • FIG. 6 is a perspective view of a battery module according to an embodiment of the present application.
  • FIG. 7 is a perspective view of a battery module according to an embodiment of the present application.
  • FIG. 8 is a perspective view of a battery unit according to an embodiment of the present application.
  • FIG. 9 is a schematic view of an automobile according to an embodiment of the present application.
  • the present invention provides a battery module 100, wherein the battery module 100 includes a module body 1, a pole 3 and a sampling unit, the module body 1 includes a first expansion end 11, and the first expansion
  • the end 11 is provided with a pole mounting area 112 and a first expansion area 111 protruding relative to the pole mounting area 112.
  • the pole mounting area 112 is recessed relative to the first expansion area 111 to form a pole mounting space.
  • the pole 3 is at least partially located in the pole mounting space, and the sampling unit is connected to the pole 3.
  • the battery module 100 is composed of a plurality of battery cells 2, and the structure of the battery module 100 will now be described from an overall angle.
  • the module body of the battery module 100 is provided with a pole mounting area 112 for mounting the pole 3, and the pole mounting area 112 is recessed relative to the first expanding area 111 to form a pole mounting space, and at least a part of the pole 3 is disposed.
  • the sampling unit is connected to the pole 3 for sampling.
  • the pole mounting area 112 of the first expansion end 11 is an area corresponding to the pole 3, and the size and shape of the area are limited for mounting the pole 3, and outside the pole mounting area 112. Since the region does not have the limitation of the pole 3, especially after the pole 3 is installed, an unoccupied space is formed, so that the portion (corresponding to the first expansion region 111) can be disposed to protrude outward to increase the volume of the module body 1. To achieve expansion.
  • the sampling unit includes a flexible circuit board 7, a sampling terminal 6, and the sampling terminal 6 connects the flexible circuit board 7 and the pole 3.
  • the flexible circuit board 7 is electrically connected to the pole 3 through the sampling terminal 6, so that the battery module 100 (specifically, the battery unit 2) is sampled, and the flexible circuit board 7 is connected with an external control component. In order to monitor the working state of the battery module 100.
  • the battery module 100 includes a connecting plate 5, each of which connects two adjacent poles 3, and the sampling terminal 6 is connected to the connecting plate 5. As shown in FIG. 1 to FIG. 6 , two adjacent poles 3 can be electrically connected through the connecting plate 5, and only one sampling terminal 6 is needed to be electrically connected to the two poles 3, which can reduce the number of sampling terminals 6. . Both the connecting plate 5 and the sampling terminal 6 are electrically conductive.
  • the first expansion end 11 is provided with two pole mounting regions 112 that are parallel to each other, and the first expansion region 111 is disposed between the two pole mounting regions 112. As shown in FIG. 1, FIG. 2 and FIG. 3, in the first expansion end 11, two parallel pole mounting regions 112 are provided, and a first expansion region 111 is disposed between the two pole mounting regions 112.
  • the battery module 100 includes a plurality of poles 3 arranged along the length of the pole mounting region 112.
  • the poles 3 are regularly arranged along the length of the pole mounting area 112, making the setting of the sampling unit more convenient.
  • the poles 3 in each pole mounting area 112 may correspond to different battery cells 2 as the positive and negative poles of the battery unit 2.
  • the flexible circuit board 7 is disposed to be disposed in the pole mounting region 112 and extends along the length direction of the pole mounting region 112. As shown in FIGS. 2-6, the flexible circuit board 7 is disposed in the pole mounting area 112, and the flexible circuit board 7 is formed substantially in an elongated shape and extends along the length of the pole mounting area 112, or along the pole 3. The arrangement direction extends so that it can be connected to each pole 3 in the pole mounting region 112 through the sampling terminal 6.
  • the flexible circuit board 7 is disposed in the first expansion area 111 and extends along the length direction of the first expansion area 111 (not shown).
  • the flexible circuit board 7 is disposed in the first expansion area 111, and the flexible circuit board 7 is formed substantially in an elongated shape and extends along the length direction of the first expansion area 111, or extends along the arrangement direction of the poles 3, so that sampling can be performed.
  • the terminal 6 is connected to each of the poles 3 in the pole mounting region 112.
  • a pole mounting area 112 is disposed in a first expansion end 11, wherein in the embodiment of FIGS. 4 and 6, the pole mounting area 112 is disposed in the first
  • a first expansion area 111 is disposed at an edge of the expansion end 11
  • the module body 1 is provided with two first expansion ends 11 opposite to each other, and two poles respectively disposed on the two first expansion ends 11
  • the column mounting regions 112 may be aligned or offset from each other; in the embodiment shown in FIG. 5, the pole mounting region 112 is disposed at a substantially intermediate position of the first expansion end 11, and a pole is disposed on each side of the pole mounting region 112.
  • a expansion area 111 is provided, and the module body 1 is provided with two first expansion ends 11 opposed to each other, and the two pole mounting areas 112 respectively disposed on the two first expansion ends 11 are aligned with each other.
  • the module body 1 includes a second expansion end 12, and the second expansion end 12 is provided with a cooling structure mounting area 121 and a second expansion area 122 protruding relative to the cooling structure mounting area 121.
  • the cooling structure mounting area 121 is recessed relative to the second expansion area 122 to form a cooling structure mounting space.
  • the bottom end of the module body 1 is a second expansion end 12, and the second expansion end 12 is similar in structure to the first expansion end 11, wherein, as shown in FIG.
  • the cooling structure installation space formed by recessing the second expansion area 122 may be used to install a cooling structure such as the cooling tube 4 to achieve cooling of the battery module 100, and the area where the cooling tube 4 is not installed is outwardly convex to form a first
  • the second expansion area 122 realizes an increase in the overall volume and achieves expansion.
  • the battery module 100 includes a case for accommodating the module body 1, and the case includes an upper cover 82 and a lower cover 81, and two poles 3 are passed out from the upper cover 82.
  • the box body includes an upper cover 82 and a lower cover 81 that can be engaged with each other.
  • the upper cover 82 and the lower cover 81 constitute a space for accommodating the module body 1.
  • the upper cover 82 can cover the first expansion end. 11 , wherein two poles 3 are disposed through the upper cover 82 and can be electrically connected to an external electrical device, and the other poles 3 can be connected in series or in parallel through the connecting plate 5 to form a unified power supply body of the plurality of battery cells 2 . .
  • the top surface of the upper cover 82 is provided with a recessed area, and the pole 3 is disposed through the recessed area. As shown in FIG. 1, the height of the pole 3 is substantially the same as the height of the first expansion zone 111. Therefore, it is necessary to provide a recessed area on the upper cover 82 so that the pole 3 can pass through the upper cover 82.
  • the battery module 100 includes a plurality of identically configured battery cells 2, each of which is provided with a portion of the pole mounting region 112 and a portion of the first expansion region 111.
  • the module body 1 is composed of a plurality of battery cells 2.
  • the pole mounting region 112 and the first expansion region 111 are each formed by splicing the battery cells 2, and each of the battery cells 2 includes a setting. There is a portion of the first expansion end 11 and a portion of the pole mounting area 112 and the first expansion area 111.
  • Each battery unit 2 is expanded by designing a region other than the pole mounting area 112.
  • the present application further provides an automobile 200, wherein the automobile 200 includes at least one battery module 100 according to the above aspect.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless otherwise explicitly stated and defined. , or integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements.
  • installation can be understood on a case-by-case basis.
  • the first feature "on” or “below” the second feature may be the direct contact of the first and second features, or the first and second features are indirectly through the intermediate medium, unless otherwise explicitly stated and defined. contact.
  • the first feature "above”, “above” and “above” the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

L'invention concerne un module de batterie (100) comprenant un corps de module (1), une borne (3) et une unité d'échantillonnage. Le corps de module (1) comprend une première extrémité d'expansion (11) pourvue d'une région d'installation de borne (112) et d'une première région d'expansion (111) faisant saillie par rapport à la région d'installation de borne (112). La région d'installation de borne (112) est en retrait par rapport à la première région d'expansion (111) pour former un espace d'installation de borne. La borne (3) est au moins partiellement située dans l'espace d'installation de borne. L'unité d'échantillonnage est connectée à la borne (3).
PCT/CN2019/070632 2018-01-08 2019-01-07 Module de batterie et automobile WO2019134699A1 (fr)

Applications Claiming Priority (18)

Application Number Priority Date Filing Date Title
CN201810016060.0 2018-01-08
CN201810016520 2018-01-08
CN201810015503.4 2018-01-08
CN201810016056.4 2018-01-08
CN201810016520.X 2018-01-08
CN201810016052.6 2018-01-08
CN201810015506.8 2018-01-08
CN201810016056 2018-01-08
CN201810015504.9 2018-01-08
CN201810015502.X 2018-01-08
CN201810016052 2018-01-08
CN201810016060 2018-01-08
CN201810015506 2018-01-08
CN201810015503 2018-01-08
CN201810015502 2018-01-08
CN201810015504 2018-01-08
CN201810474865.X 2018-05-17
CN201810474865.XA CN110021721B (zh) 2018-01-08 2018-05-17 电池模组及汽车

Publications (1)

Publication Number Publication Date
WO2019134699A1 true WO2019134699A1 (fr) 2019-07-11

Family

ID=67144366

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/070632 WO2019134699A1 (fr) 2018-01-08 2019-01-07 Module de batterie et automobile

Country Status (1)

Country Link
WO (1) WO2019134699A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113169426A (zh) * 2019-12-03 2021-07-23 宁德时代新能源科技股份有限公司 电池模组、电池组、装置及电池模组的制造方法
CN113594611A (zh) * 2020-04-30 2021-11-02 蜂巢能源科技有限公司 电池模组及车辆
CN114799632A (zh) * 2022-04-28 2022-07-29 浙江零跑科技股份有限公司 用于电池模组的错位焊接方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102856516A (zh) * 2011-06-30 2013-01-02 三洋电机株式会社 电源装置及具备电源装置的车辆
CN203690393U (zh) * 2014-01-16 2014-07-02 浙江超威创元实业有限公司 新型锂电池集成模块
CN204809300U (zh) * 2015-07-09 2015-11-25 宁德时代新能源科技有限公司 电池模组用组件
CN106684287A (zh) * 2016-12-20 2017-05-17 常州普莱德新能源电池科技有限公司 电池模组

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102856516A (zh) * 2011-06-30 2013-01-02 三洋电机株式会社 电源装置及具备电源装置的车辆
CN203690393U (zh) * 2014-01-16 2014-07-02 浙江超威创元实业有限公司 新型锂电池集成模块
CN204809300U (zh) * 2015-07-09 2015-11-25 宁德时代新能源科技有限公司 电池模组用组件
CN106684287A (zh) * 2016-12-20 2017-05-17 常州普莱德新能源电池科技有限公司 电池模组

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113169426A (zh) * 2019-12-03 2021-07-23 宁德时代新能源科技股份有限公司 电池模组、电池组、装置及电池模组的制造方法
CN113169426B (zh) * 2019-12-03 2023-05-26 宁德时代新能源科技股份有限公司 电池模组、电池组、装置及电池模组的制造方法
CN113594611A (zh) * 2020-04-30 2021-11-02 蜂巢能源科技有限公司 电池模组及车辆
CN113594611B (zh) * 2020-04-30 2023-08-18 蜂巢能源科技有限公司 电池模组及车辆
CN114799632A (zh) * 2022-04-28 2022-07-29 浙江零跑科技股份有限公司 用于电池模组的错位焊接方法
CN114799632B (zh) * 2022-04-28 2023-09-05 浙江零跑科技股份有限公司 用于电池模组的错位焊接方法

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