WO2023134548A1 - 电池的箱体、电池、用电装置、制备电池的方法和装置 - Google Patents
电池的箱体、电池、用电装置、制备电池的方法和装置 Download PDFInfo
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- WO2023134548A1 WO2023134548A1 PCT/CN2023/070776 CN2023070776W WO2023134548A1 WO 2023134548 A1 WO2023134548 A1 WO 2023134548A1 CN 2023070776 W CN2023070776 W CN 2023070776W WO 2023134548 A1 WO2023134548 A1 WO 2023134548A1
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- Prior art keywords
- management component
- battery
- thermal management
- box body
- box
- Prior art date
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Images
Classifications
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- 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
-
- 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
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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
- H01M10/60—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
-
- 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
- H01M10/6567—Liquids
-
- 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
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- 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
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- 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
- a mounting block is provided at a position corresponding to the convex part in the box body, and the mounting block abuts against the mounting beam, which can not only block the gap between the convex part and other parts of the box body, but also ensure the The airtightness of the body can also be used together with the installation beam to install the components in the battery, so as to further improve the installation stability of the relevant components in the battery in the box.
- a water cavity is provided in the protrusion, and the thickness of the cavity wall of the water cavity facing the mounting block is greater than or equal to 2mm.
- the two second sides of the thermal management component can respectively form recesses to accommodate the two connecting plates, and the mutual welding of the two connecting plates and the thermal management component will not introduce welding gaps, so as to ensure The airtightness of the box.
- the installation of relevant components in the battery is realized through the installation beams on the two connecting plates, which can further improve the installation stability of the relevant components in the battery.
- the support beam and the heat management component are designed as an integrated structure, which can improve the connection strength of the support beam on the heat management component, thereby further improving the overall rigidity and strength of the box to further ensure the stability of the box. use reliability.
- Fig. 4 is a schematic structural view of a battery box disclosed in an embodiment of the present application.
- Fig. 5 is a schematic structural view of a battery box disclosed in another embodiment of the present application.
- Fig. 10 is a schematic structural view of a battery case disclosed in another embodiment of the present application.
- Fig. 11 is a schematic structural diagram of a connecting plate disclosed in an embodiment of the present application.
- a pressure relief mechanism is generally installed on the battery cell.
- the pressure relief mechanism refers to an element or part that is activated to release the internal pressure or temperature when the internal pressure or temperature of the battery cell reaches a predetermined threshold.
- the predetermined threshold can be adjusted according to different design requirements.
- the predetermined threshold may depend on the materials of one or more of the positive electrode sheet, the negative electrode sheet, the electrolyte and the separator in the battery cell.
- the emissions from battery cells mentioned in this application include but are not limited to: electrolyte, dissolved or split positive and negative electrodes, fragments of separator, high temperature and high pressure gas generated by reaction, flame, etc.
- a thermal management component can also be provided in the box for accommodating the battery cell, and the thermal management component can be used to contain fluid to feed multiple batteries.
- the monomer regulates the temperature.
- the fluid here can be liquid or gas, and regulating temperature refers to heating or cooling multiple battery cells.
- the thermal management component is used to contain cooling fluid to lower the temperature of multiple battery cells.
- the thermal management component can also be called a cooling component, a cooling system or a cooling plate, etc.
- the fluid it contains can also be called cooling medium or cooling fluid, more specifically, it can be called cooling liquid or cooling gas.
- the number of battery cells 20 can be set to any value. Multiple battery cells 20 can be connected in series, in parallel or in parallel to achieve greater capacity or power. Since the number of battery cells 20 included in each battery 10 may be relatively large, in order to facilitate installation, the battery cells 20 may be arranged in groups, and each group of battery cells 20 constitutes a battery module. The number of battery cells 20 included in the battery module is not limited and can be set according to requirements.
- a pressure relief mechanism 213 may also be provided on one wall of the battery cell 20 .
- the pressure relief mechanism 213 is activated to release the internal pressure or temperature when the internal pressure or temperature of the battery cell 20 reaches a threshold.
- the pressure is released.
- the mechanism 213 can be broken at the notch so that the inside and outside of the casing 211 communicate, and the gas pressure and temperature are released outward through the crack of the pressure relief mechanism 213 , thereby preventing the battery cell 20 from exploding.
- the case 100 of the battery 10 includes: a thermal management component 110 , which is used to accommodate fluid to adjust the temperature of the battery 10 , and the first thermal management component 110
- the end region of the side 1101 is provided with a convex portion 111 protruding outward along a first direction x, the first direction x is parallel to the first side 1101 of the heat management component 110, the convex portion 111 is connected to the second side 1102 of the heat management component 110
- the concave portion 112 is formed.
- the box body 100 also includes: a connection plate 120 accommodated in the recess 112 of the heat management component 110 and connected to the second side 1102 and the protrusion 111 of the heat management component 110 .
- the connecting plate 120 can be welded to the second side 1102 and the protrusion 111 of the thermal management component 110 by a friction stir welding (Friction Stir Welding, FSW) process.
- FSW Frition Stir Welding
- the above two installation beams 121 both extend along the second direction y, and the second direction y is parallel to the second side 1102 of the heat management component 110, so the installation beam 121 can be adapted to the second side 1102 of the heat management component 110.
- Two sides 1102 , and the installation beam 121 can also have a relatively long extension length, so as to improve the installation stability of the battery cell 20 and other parts of the box body 100 on the installation beam 121 .
- the width dimension of the installation block 122 in the first direction x may be similar to or the same as the width dimension of the installation beam 121 in the first direction x.
- the mounting block 122 can be regarded as an extension of the mounting beam 121 on the protrusion 111 along the second direction y.
- the above-mentioned mounting block 122 may be welded to the protruding portion 111 by an arc welding process, so as to realize the fixing of the mounting block 122 on the protruding portion 111 .
- each recess 112 of the two recesses 112 can be used to accommodate a connecting plate 120 .
- FIG. 10 shows a schematic structural diagram of a case 100 of a battery 10 provided by another embodiment of the present application.
- each connecting plate 120 two mounting beams 121 are provided on each connecting plate 120 .
- the installation beam 121 close to the thermal management component 110 is used to install the battery cell 20 or the battery module composed of the battery cell 20 inside the box body 100. Setting the installation beam 121 for installing the battery cell 20 or the battery module can further improve the installation stability of the battery cell 20 in the box body 100 .
- the mounting beam 121 away from the heat management component 110 is used to install other parts of the box body 100, which can also improve the integrity of the heat management component 110 and the connecting plate 120 and other parts of the box body 100. Connection reliability between parts.
- FIG. 11 shows a schematic structural diagram of a connection board 120 provided by an embodiment of the present application.
- FIG. 12 shows a schematic structural diagram of two thermal management components 110 provided by an embodiment of the present application.
- the thermal management component 110 when the thermal management component 110 has a large area, the thermal management component 110 can be split into multiple parts and manufactured separately to ensure the manufacturing yield of each part, thereby ensuring the thermal Manages the overall performance of the component 110 .
- an "I"-shaped weld can be formed in the thermal management component 110 , so that the strength of the weld of the box body 100 can be enhanced, thereby improving the overall strength of the box body 100 .
- the first side 1101 and the convex portion 111 of the thermal management component 110 are provided with support beams 130 extending along the first direction x.
- the heat management component 110 and the connecting plate 120 are connected to each other to form the bottom plate 1001 of the box body 100 .
- the box body 100 further includes an upper cover 1002, and the upper cover 1002 and the bottom plate 1001 are interlocked to form an accommodating space for accommodating the battery cells 20, or for accommodating a battery module formed by a plurality of battery cells 20.
- Group 201 Relative to the bottom plate 1001, the box body 100 further includes an upper cover 1002, and the upper cover 1002 and the bottom plate 1001 are interlocked to form an accommodating space for accommodating the battery cells 20, or for accommodating a battery module formed by a plurality of battery cells 20.
- the box body 100 includes: a thermal management component 110, which is used to contain fluid to adjust the temperature of the battery cell 20, and the end area of the first side 1101 of the thermal management component 110 is provided with a A convex portion 111 protruding in direction x, the first direction x is parallel to the first side 1101 of the thermal management component 110, and the convex portion 111 forms a concave portion 112 with the second side 1102 of the thermal management component 110; the connecting plate 120 accommodates in the concave portion 112 and connected with the second side 1102 and the convex portion 111 .
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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)
- Secondary Cells (AREA)
Abstract
Description
Claims (19)
- 一种电池的箱体(100),包括:热管理部件(110),所述热管理部件(110)用于容纳流体以调节所述电池的温度,所述热管理部件(110)中第一边(1101)的端部区域设置有沿第一方向(x)外凸的凸部(111),所述第一方向(x)平行于所述热管理部件(110)的第一边(1101),所述凸部(111)与所述热管理部件(110)的第一边(1102)形成凹部(112);连接板(120),容纳于所述凹部(112)中,并与所述第一边(1102)和所述凸部(111)连接。
- 根据权利要求1所述的箱体(100),其中,所述连接板(120)通过搅拌摩擦焊工艺焊接于所述第一边(1102)和所述凸部(111)。
- 根据权利要求1或2所述的箱体(100),其中,所述热管理部件(110)中设置有流道腔(1104),所述流道腔(1104)的腔壁的厚度小于或等于1.5mm。
- 根据权利要求1至3中任一项所述的箱体(100),其中,所述连接板(120)上设置有安装梁(121),所述安装梁(121)沿平行于所述第一边(1102)的第二方向(y)延伸,并用于安装所述电池中的部件。
- 根据权利要求4所述的箱体(100),其中,所述安装梁(121)与所述连接板(120)为一体集成结构。
- 根据权利要求4或5所述的箱体(100),其中,所述箱体(100)还包括:安装块(122),设置于所述凸部(111),且所述安装块(122)抵接于所述安装梁(121),所述安装块(122)与所述安装梁(121)相互配合并用于安装所述电池中的部件。
- 根据权利要求6所述的箱体(100),其中,所述安装块(122)通过弧焊工艺焊接于所述凸部(111)。
- 根据权利要求7所述的箱体(100),其中,所述凸部(111)中设置有水口腔(1103),所述水口腔(1103)朝向所述安装块(122)的腔壁的厚度大于或等于2mm。
- 根据权利要求1至8中任一项所述的箱体(100),其中,所述热管理部件(110)包括相互平行的两个所述第一边(1101),两个所述第一边(1101)中位于同一侧的端部区域分别设置有沿所述第一方向(x)外凸的所述凸部(111);所述第一边(1102)与两个所述凸部(111)连接以形成所述凹部(112)。
- 根据权利要求9所述的箱体(100),其中,两个所述第一边(1101)中每个所述第一边(1101)位于两侧的端部区域分别设置有沿所述第一方向(x)外凸的所述凸部(111);所述热管理部件(110)包括相互平行的两个所述第一边(1102),每个所述第一边(1102)与两个所述凸部(111)连接以形成一个所述凹部(112)。
- 根据权利要求1至10中任一项所述的箱体(100),其中,所述热管理部件 (110)包括:相互焊接的至少两个部分,所述至少两个部分之间的焊缝平行于所述第一边(1101),且垂直于所述第一边(1102)。
- 根据权利要求1至11中任一项所述的箱体(100),其中,所述热管理部件(110)的第一边(1101)以及所述凸部(111)上设置有沿所述第一方向(x)延伸的支撑梁(130)。
- 根据权利要求12所述的箱体(100),其中,所述支撑梁(130)与所述热管理部件(110)为一体集成结构。
- 根据权利要求1至13中任一项所述的箱体(100),其中,所述热管理部件(110)与所述连接板(120)相互连接以形成所述箱体(100)的底板。
- 根据权利要求1至14中任一项所述的箱体(100),其中,所述热管理部件(110)与所述连接板(120)的材料为铝。
- 一种电池(10),包括:电池单体(20),以及如权利要求1至15中任一项所述的箱体(100),所述箱体(100)用于容纳所述电池单体(20)。
- 一种用电装置,包括:如权利要求16所示的电池(10),所述电池(10)用于向用电装置提供电能。
- 一种制备电池的方法,包括:提供电池单体(20);提供箱体(100),所述箱体(100)包括:热管理部件(110),所述热管理部件(110)用于容纳流体以调节所述电池单体的温度,所述热管理部件(110)中第一边(1101)的端部区域设置有沿第一方向(x)外凸的凸部(111),所述第一方向(x)平行于所述热管理部件(110)的第一边(1101),所述凸部(111)与所述热管理部件(110)的第一边(1102)形成凹部(112);连接板(120),容纳于所述凹部(112)中,并与所述第一边(1102)和所述凸部(111)连接;将所述电池单体(20)容纳于所述箱体(100)中。
- 一种制备电池的装置,包括:提供模块,用于提供电池单体(20)和箱体(100),所述箱体(100)包括:热管理部件(110),所述热管理部件(110)用于容纳流体以调节所述电池的温度,所述热管理部件(110)中第一边(1101)的端部区域设置有沿第一方向(x)外凸的凸部(111),所述第一方向(x)平行于所述热管理部件(110)的第一边(1101),所述凸部(111)与所述热管理部件(110)的第一边(1102)形成凹部(112);连接板(120),容纳于所述凹部(112)中,并与所述第一边(1102)和所述凸部(111)连接;安装模块,用于将所述电池单体(20)容纳于所述箱体(100)中。
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US20150357616A1 (en) * | 2013-01-25 | 2015-12-10 | Kabushiki Kaisha Toyota Jidoshokki | Battery module |
CN209747588U (zh) * | 2019-04-19 | 2019-12-06 | 依工聚合工业(吴江)有限公司 | 一种电池承载装置及车辆 |
CN111952691A (zh) * | 2020-07-14 | 2020-11-17 | 东风时代(武汉)电池系统有限公司 | 电池液冷板结构及汽车电池 |
CN212571214U (zh) * | 2020-07-29 | 2021-02-19 | 恒大新能源技术(深圳)有限公司 | 电池包支撑结构和电池包 |
CN214477762U (zh) * | 2021-04-22 | 2021-10-22 | 远景动力技术(江苏)有限公司 | 一种液冷集成箱体 |
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Patent Citations (5)
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US20150357616A1 (en) * | 2013-01-25 | 2015-12-10 | Kabushiki Kaisha Toyota Jidoshokki | Battery module |
CN209747588U (zh) * | 2019-04-19 | 2019-12-06 | 依工聚合工业(吴江)有限公司 | 一种电池承载装置及车辆 |
CN111952691A (zh) * | 2020-07-14 | 2020-11-17 | 东风时代(武汉)电池系统有限公司 | 电池液冷板结构及汽车电池 |
CN212571214U (zh) * | 2020-07-29 | 2021-02-19 | 恒大新能源技术(深圳)有限公司 | 电池包支撑结构和电池包 |
CN214477762U (zh) * | 2021-04-22 | 2021-10-22 | 远景动力技术(江苏)有限公司 | 一种液冷集成箱体 |
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