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CN110661061A - 车辆的电池系统 - Google Patents

车辆的电池系统 Download PDF

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CN110661061A
CN110661061A CN201811299331.4A CN201811299331A CN110661061A CN 110661061 A CN110661061 A CN 110661061A CN 201811299331 A CN201811299331 A CN 201811299331A CN 110661061 A CN110661061 A CN 110661061A
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plate
end plate
battery
port
channel
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林海圭
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Modern Auto Co Ltd
Hyundai Motor Co
Kia Corp
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Kia Motors Corp
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6556Solid parts with flow channel passages or pipes for heat exchange
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00Electric propulsion with power supplied within the vehicle
    • B60L50/50Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64Constructional details of batteries specially adapted for electric vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
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    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567Liquids
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249Mountings; 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/258Modular batteries; Casings provided with means for assembling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H01M50/264Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/271Lids or covers for the racks or secondary casings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00Type of vehicle
    • B60Y2200/90Vehicles comprising electric prime movers
    • B60Y2200/91Electric vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00Type of vehicle
    • B60Y2200/90Vehicles comprising electric prime movers
    • B60Y2200/92Hybrid vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • YGENERAL 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
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    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

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  • Chemical Kinetics & Catalysis (AREA)
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  • General Chemical & Material Sciences (AREA)
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  • Mechanical Engineering (AREA)
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  • Battery Mounting, Suspending (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

本发明提供一种电池系统。该系统包括:通道板,其一个侧表面与电池模块接触并且在其中包括有冷却通道,制冷剂在该冷却通道中循环以冷却电池模块;第一端板,其将通过流入口从外部传输的制冷剂供应至通道板,并且将流过通道板的制冷剂通过流出口传输到外部,并且第一端板与通道板连接以形成围绕电池模块的空间;第二端板,其与第一端板相对地连接至通道板,以形成围绕电池模块的空间;以及盖板,其与通道板相对地连接至第一端板和第二端板,以形成围绕电池模块的空间。

Description

车辆的电池系统
技术领域
本发明涉及一种车辆的电池系统,更具体地,涉及一种用于混合动力车辆或电动车辆的电池系统的冷却技术。
背景技术
在混合动力车辆和电动车辆中,需要电池系统以存储驱动车辆所需的电能。这种电池系统通常包括多个电池模块,并且电池模块包括多个电池单元。电池系统还包括用于冷却电池模块中产生的热量的冷却装置以确保操作稳定性。近来,考虑采用利用制冷剂的水冷却系统以获得有效并稳定的冷却性能。在如上所述的水冷式冷却装置中,需要用于冷却剂循环的各种管道和连接装置,并且需要尽可能地减小这些部件的体积和重量。
前述内容仅旨在帮助理解本发明的背景,而并不意味着本发明落入本领域技术人员已知的相关技术范围内。
发明内容
因此,本发明提供了一种车辆的电池系统,其能够在使用简化的配置和更少数量的部件的同时更加平顺且稳定地冷却由电池模块产生的热量,确保电池模块外部所需的结构刚性,通过简化的冷却回路来减少制冷剂的泄漏,并通过将多余的空间最小化来增加能量密度。
根据本发明的一种车辆的电池系统可以包括:通道板,其一侧表面与电池模块接触并且具有形成在其中的冷却通道,制冷剂在所述冷却通道中循环以冷却电池模块;第一端板,其构造为将通过流入口从外部传输的制冷剂供应至通道板,并且将流过通道板的制冷剂通过流出口传输到外部,其中第一端板与通道板连接以形成围绕电池模块的空间;第二端板,其与第一端板相对地连接至通道板,以形成围绕电池模块的空间;以及盖板,其与通道板相对地连接至第一端板和第二端板,以形成围绕电池模块的空间。
通道板可以形成为六面体平板形状,通道板的一端部可以形成有与第一端板连接的供给口和出口,以接收和排出制冷剂,以及通道板的内部可以形成有多个冷却通道,所述冷却通道从供给口延伸至出口,其均匀地分布在与电池模块接触的表面上。流入口和流出口可以在第一端板处一体地形成以向外突出,以及连接流入口和供给口的流动路径和连接出口和流出口的流动路径可以形成在第一端板内。
由通道板、第一端板、第二端板和盖板围绕的至少一个电池模块可以配置为模块组件。设置在车身中以容纳模块组件的壳体可以包括孔,流入口和流出口分别穿过所述孔;垫圈(gasket),其用于围绕和密封各流入口和流出口,并且垫圈可以设置在孔和第一端板之间;以及系紧螺栓(tie bolt),其可以从壳体外部紧固至第一端板,通过将模块组件拉向壳体来施加密封垫圈所需的压力。
第二端板可以形成为双板结构,其中形成有空间;并且第一端板和第二端板连接至通道板和盖板,以提供结构刚性,以包裹和支撑内部电池模块。盖板可以设置有冷却通道,制冷剂在其中以与在通道板中循环的方式相同的方式循环。
本发明能够在使用简化的配置和更少数量的部件的同时更加平顺且稳定地冷却由电池模块产生的热量,确保电池模块外部所需的结构刚性,通过简化的冷却回路以减少制冷剂的泄漏并通过将多余的空间最小化以增加能量密度。
附图说明
通过下面的详细描述,并结合附图,将更清楚地理解本发明的上述和其他目的、特征和其他优点,其中:
图1是示出根据本发明的示例性实施例的车辆的电池系统的示图;
图2是示出根据本发明的示例性实施例的图1结构中的制冷剂的流动路径的示图;
图3是本发明的示例性实施例的主要组成的详细立体图;
图4是示出根据本发明示例性实施例的通道板的结构的平面图;
图5是根据本发明的示例性实施例的沿图1的Ⅴ-Ⅴ线截取的剖视图;以及
图6是示出根据本发明的示例性实施例的具有图5所示结构的模块组件安装在车身的壳体上的状态的示图。
具体实施方式
可以理解的是,本文使用的术语“车辆”或“车辆的”或其它相似的术语一般包括机动车辆,例如包括运动型多功能车辆(SUV)、公共汽车、卡车、各种商用车辆的客车;包括各种艇、船只、航空器等的船舶,并包括混合动力车辆、电动车辆、插电式混合动力电动车辆、氢动力车辆和其他替代燃料车辆(例如,来自非石油资源的燃料)。如本文所提及的,混合动力车辆是具有两个或更多动力源的车辆,例如兼具汽油动力和电动力的车辆。
本文所使用的术语仅用于说明特定实施例,而非旨在限制本发明。除非上下文明确指示,否则如在本文使用的单数形式“一”、“一种”和“该”也旨在包括复数形式。要进一步理解的是,当在本说明书中使用“包括”和/或“包含”时,是意图说明存在该特征、整数、步骤、操作、元件和/或部件,但不排除一个或多个其它特征、整数、步骤、操作、元件、部件和/或其组合的存在或添加。如在本文使用的,术语“和/或”包括一个或多个相关所列项目的任何和所有组合。
参照图1至图6,根据本发明的示例性实施例的车辆的电池系统可以包括通道板3,通道板3的一个侧表面与电池模块BM接触并且通道板3中包括冷却通道1,制冷剂在冷却通道1中循环以冷却电池模块BM;第一端板9,其构造为将通过流入口5从外部传输的制冷剂供应至通道板3,且将流过通道板3的制冷剂通过流出口7传输到外部,并且第一端板9连接至通道板3以形成围绕电池模块BM的空间;第二端板11,与第一端板9相对地连接至通道板3,以形成围绕电池模块BM的空间;以及盖板13,其与通道板3相对地连接至第一端板9和第二端板11,以形成围绕电池模块BM的空间。
换句话说,通道板3、第一端板9、第二端板11和盖板13彼此连接以具有围绕并支撑处于其中的电池模块BM的结构刚性,并且还通过从外部供给的制冷剂快速且稳定地冷却电池模块BM产生的热量。作为参考,本示例性实施例示出通道板3、第一端板9、第二端板11和盖板13围绕两个电池模块BM的示例,然而,本发明不限于此。由通道板3、第一端板9、第二端板11和盖板13围绕的电池模块BM可以是一个或多于三个。
特别地,通道板3、第一端板9、第二端板11和盖板13的尺寸可以根据电池模块BM而改变。在本示例性实施例中,通道板3可以形成为六面体平板形状,通道板3的一个端部可以形成有接至第一端板9的供给口15和出口17,以供给和接收(例如,排出和接收)冷却剂,并且通道板3的内部可以形成有多个从供给口15延伸到出口17的冷却通道1,其均匀地分布在与电池模块BM接触的表面上。
因此,当制冷剂沿形成在通道板3内的多个冷却通道1循环时,可以更平顺且稳定地冷却与通道板3接触的电池模块BM,并且也可以均匀地冷却形成电池模块BM的整个电池单元。此外,流入口5和流出口7可以一体地形成在第一端板9处以向外突出,并且连接流入口5和供给口15的流动路径19,以及连接出口17和流出口7的流动路径19可以形成在第一端板9内。
因此,当第一端板9连接至通道板3时,可以插入橡胶圈等以密封通道板3的供给口15和出口17。此外,可以通过多个紧固螺栓、焊接等形成刚性连接结构以防止接合状态分离。第二端板11可以形成为在其中形成有空间21的双板结构,并且第一端板9和第二端板11可以连接至通道板3和盖板13以具有结构刚性以包裹和支撑内部电池模块BM。
换句话说,第二端板11是双板结构,并且第一端板9的厚度使得在其中形成有制冷剂的流动路径19,通道板3的厚度使得在其中形成有多个冷却通道1,并因此,它们能够彼此紧固地连接以具有足够的刚性以自行包裹和支撑内部电池模块BM。
作为参考,图3中示出的箭头所指表示部件的接合位置,这意味着紧固螺栓可以在该位置处紧固或焊接以彼此连接。另一方面,如上所述,盖板13可以以适当的厚度或刚性连接至通道板3、第一端板9和第二端板11,以确保如上所述的足够的结构刚性。
此外,如本发明的示例性实施例,盖板13可以通过挤压形成为单板结构,但是盖板13也可以具有冷却通道,其中制冷剂在其中以与在通道板3中循环的方式相同的方式循环以进一步提高冷却性能。在这种情况下,因为通道板3构造为能够通过第一端板9接收和排出制冷剂,因此也可以连接盖板13的冷却通道以通过第一端板9一起接收和排出制冷剂。
参照图6,由通道板3、第一端板9、第二端板11和盖板13围绕的至少一个电池模块BM可以配置为模块组件MA。此外,设置在车身中用于容纳模块组件MA的壳体23可以包括:孔25,流入口5和流出口7分别通过孔25;垫圈27,其可以设置在孔25和第一端板9之间用于围绕和密封流入口5和流出口7;以及系紧螺栓29,其可以从壳体23的外侧紧固至第一端板9,以通过将模块组件MA拉向壳体23来施加密封垫圈27所需的压力。换句话说,由于拉紧螺栓29提供的拉力,可以稳定且牢固地固定经过压缩的垫圈27的密封状态。
如上所述,本发明提供了通道板3、第一端板9、第二端板11和盖板13,其围绕并支撑内部电池模块BM,以提供结构刚性,并因此可以更顺利并稳定地冷却电池模块BM产生的热量,从而在使用简化的结构和更少的部件的同时确保足够的结构刚性和冷却性能。
此外,如上所述的冷却回路的简化结构降低了制冷剂泄漏的可能性并且将多余的空间最小化以使得电池单元进一步安装在由此固定的空间中,从而增加了电池系统的能量密度。
尽管已经描述和说明了本发明的特定示例性实施例,但是本领域技术人员应该理解的是,在不脱离如所附权利要求中公开的本发明的技术思想的情况下,可以进行各种替换和修改。

Claims (8)

1.一种车辆的电池系统,包括:
通道板,其一侧表面与电池模块接触并且具有形成在其中的冷却通道,制冷剂在所述冷却通道中循环以冷却所述电池模块;
第一端板,其构造为将通过流入口从外部传输的所述制冷剂供应至所述通道板,并且将流过所述通道板的制冷剂通过流出口传输到外部,其中所述第一端板与所述通道板连接以形成围绕所述电池模块的空间;
第二端板,其与所述第一端板相对地连接至所述通道板,以形成围绕所述电池模块的空间;以及
盖板,其与所述通道板相对地连接至所述第一端板和所述第二端板,以形成围绕所述电池模块的空间。
2.如权利要求1所述的车辆的电池系统,其特征在于:
所述通道板形成为六面体平板形状,
所述通道板的一端部形成有与所述第一端板连接的供给口和出口,以接收和排出所述制冷剂,以及
所述通道板的内部形成有多个冷却通道,所述冷却通道从所述供给口延伸至所述出口,其均匀地分布在与所述电池模块接触的表面上。
3.如权利要求2所述的车辆的电池系统,其特征在于:
所述流入口和所述流出口一体地形成在所述第一端板处以向外突出,以及
连接所述流入口和所述供给口的流动路径和连接所述出口和所述流出口的流动路径形成在所述第一端板内。
4.如权利要求3所述的车辆的电池系统,其特征在于,由所述通道板、所述第一端板、所述第二端板和所述盖板围绕的至少一个电池模块配置为模块组件。
5.如权利要求4所述的车辆的电池系统,进一步包括:
设置在车身中以容纳所述模块组件的壳体,其包括孔,所述流入口和所述流出口分别穿过所述孔;
垫圈,其用于围绕和密封各所述流入口和所述流出口,并且所述垫圈设置在所述孔和所述第一端板之间;以及
系紧螺栓,其从所述壳体外部紧固至所述第一端板,通过将所述模块组件拉向所述壳体来施加密封所述垫圈所需的压力。
6.如权利要求3所述的车辆的电池系统,其特征在于:
所述第二端板形成为双板结构,其中形成有空间;以及
所述第一端板和所述第二端板连接至所述通道板和所述盖板,以提供结构刚性,从而包裹和支撑内部的电池模块。
7.如权利要求1所述的车辆的电池系统,其特征在于,所述盖板包括冷却通道,所述制冷剂在冷却通道中以与在所述通道板中循环的方式相同的方式循环。
8.一种具有如权利要求1至权利要求7中任一项所述的电池系统的车辆。
CN201811299331.4A 2018-06-28 2018-11-02 车辆的电池系统 Pending CN110661061A (zh)

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