WO2020019622A1 - 电池模组的成组方法和用于电池模组成组的系统 - Google Patents

电池模组的成组方法和用于电池模组成组的系统 Download PDF

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Publication number
WO2020019622A1
WO2020019622A1 PCT/CN2018/119151 CN2018119151W WO2020019622A1 WO 2020019622 A1 WO2020019622 A1 WO 2020019622A1 CN 2018119151 W CN2018119151 W CN 2018119151W WO 2020019622 A1 WO2020019622 A1 WO 2020019622A1
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WIPO (PCT)
Prior art keywords
parallel
package
battery
workstation
modular battery
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PCT/CN2018/119151
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English (en)
French (fr)
Inventor
陆群
王克坚
曹瑜琦
Original Assignee
北京长城华冠汽车科技股份有限公司
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.)
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Priority claimed from CN201810841876.7A external-priority patent/CN109193015B/zh
Priority claimed from CN201810842420.2A external-priority patent/CN109244289B/zh
Application filed by 北京长城华冠汽车科技股份有限公司 filed Critical 北京长城华冠汽车科技股份有限公司
Publication of WO2020019622A1 publication Critical patent/WO2020019622A1/zh

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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
    • H01M10/04—Construction or manufacture in general
    • 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 battery assembly technology, and in particular, to a method for grouping battery modules and a system for grouping battery modules.
  • Soft pack lithium-ion batteries have the advantages of high energy density and wide adaptability, and are increasingly used in electric vehicles.
  • a soft-pack lithium-ion battery module is composed of a battery frame, a foam, a thermally conductive sheet, and the like, and in order to meet different voltage and capacity requirements, the battery module needs to perform a variety of different series and parallel.
  • a method for grouping battery modules which solves the technical problems of low battery group automation and inability to adapt to different series and parallel requirements.
  • the teaming method includes:
  • the corresponding number of single-cell modular battery packages are delivered from the single workstation to the parallel workstation;
  • a corresponding number of single modular battery packages are delivered from a single workstation, and / or a corresponding number of parallel modular battery packages are delivered from a parallel workstation to a group workstation;
  • a battery module that meets a predetermined series-parallel configuration is assembled at a group of workstations by using a single modular battery package and / or a parallel modular battery package.
  • using a single modular battery package to assemble the parallel modular battery package includes: assembling the single modular battery package in pairs to assemble into a dual and modular battery package.
  • forming a parallel modular battery package by using a single modular battery package assembly further includes: assembling a single modular battery package and a dual-parallel modular battery package into a triple-parallel modular battery package.
  • the parallel workstation includes a first-stage parallel workstation for assembling dual and modular battery packages, and a secondary parallel workstation for assembling a triple and modular battery packages.
  • the single modular battery packages of at least two single workstations are converged and transported in parallel to a first-stage parallel workstation for assembling at least one type of dual parallel module in the first dual parallel package and the second dual parallel package.
  • the single modular battery package of at least one single workstation and the dual-parallel modular battery package of at least one first-stage parallel workstation are aggregated and transported to a secondary parallel workstation for assembling the first third parallel package and the second third parallel package. At least one type of triple and modular battery package.
  • the single modular battery package includes a first single package, a second single package, a third single package, and a fourth single package;
  • the package structures of the third package and the fourth package further include an ear pad
  • the positive and negative electrodes of the first and second monomer packages are arranged in opposite directions, and the positive and negative electrodes of the third and fourth monomer packages are arranged in opposite directions.
  • the packaging structure of the first, second, third, and fourth single-cell packages includes a battery frame mounted on the outer periphery of the soft-pack battery, and stacked and arranged on the soft-pack battery. Foam and heat sink for battery frame.
  • the dual-parallel modular battery package includes a first dual-parallel package composed of a first cell package and a third cell package, and a second dual-parallel package composed of a second cell package and a fourth cell package.
  • a first dual-parallel package composed of a first cell package and a third cell package
  • a second dual-parallel package composed of a second cell package and a fourth cell package.
  • the triple-parallel modular battery package includes a first triple-parallel package composed of a first single-cell package and a first double-parallel package, and a second triple-parallel package composed of a second single-package and a second dual-parallel package. Package.
  • At least two types of cell modular battery packages among the first cell package, the second cell package, the third cell package, and the fourth cell package are assembled in parallel using a plurality of cell workstations.
  • Another embodiment also provides a system for forming groups of battery molds.
  • the system includes two or more groups of conveyor belts arranged side by side, a single workstation and a parallel workstation sequentially arranged along the conveying direction of each group of conveyor belts, And a group of workstations arranged at the back end of the two groups of conveyor belts, among which: the single workstation, the parallel workstation, and the group workstation work in a grouped way as described above.
  • a modular battery package in the form of a single unit or a parallel can be provided.
  • the modular battery package can be regarded as a standardized unit or standardized particle of the series-parallel relationship of battery modules, so that such standardized units or The standardized particles are assembled into battery modules in a predetermined series-parallel relationship, which facilitates the group design of the battery modules and saves the assembly time of the battery modules.
  • FIG. 1 is an exemplary flowchart of a method for grouping battery modules according to an embodiment of the present application
  • FIG. 2a to 2e are schematic flowcharts of an example of the grouping method shown in FIG. 1;
  • FIG. 3 is an exploded view of an A-type module according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of an overall structure of an A-type module according to an embodiment of the present application.
  • FIG. 5 is an exploded schematic diagram of a B-type module according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of the overall structure of a B-type module according to an embodiment of the present application.
  • FIG. 7 is an exploded schematic diagram of a C-type module according to an embodiment of the present application.
  • FIG. 8 is a schematic diagram of the overall structure of a C-type module according to an embodiment of the present application.
  • FIG. 9 is an exploded schematic diagram of a D-type module according to an embodiment of the present application.
  • FIG. 10 is a schematic diagram of an overall structure of a D-type module according to an embodiment of the present application.
  • FIG. 11 is an exploded schematic diagram of an E-type module according to an embodiment of the present application.
  • FIG. 12 is a schematic diagram of an overall structure of an E-type module according to an embodiment of the present application.
  • FIG. 13 is an exploded schematic diagram of an F-type module according to an embodiment of the present application.
  • FIG. 14 is a schematic diagram of an overall structure of an F-type module according to an embodiment of the present application.
  • FIG. 15 is an exploded schematic diagram of a G-type module according to an embodiment of the present application.
  • FIG. 16 is a schematic diagram of the overall structure of a G-type module according to an embodiment of the present application.
  • FIG. 17 is an exploded schematic diagram of an H-shaped module according to an embodiment of the present application.
  • FIG. 18 is a schematic diagram of an overall structure of an H-type module according to an embodiment of the present application.
  • FIG. 19 is a schematic diagram of a system for grouping battery modules according to an embodiment of the present application.
  • 20 is a schematic structural diagram of a dual-parallel 24-series battery module according to an embodiment of the present application.
  • FIG. 21 is a schematic diagram of a process of forming a group of dual parallel 24 series battery modules according to an embodiment of the present application.
  • FIG. 22 is a schematic structural diagram of three parallel and 20 series battery modules according to an embodiment of the present application.
  • FIG. 23 is a schematic diagram of a process of forming a group of three parallel 20 series battery modules according to an embodiment of the present application.
  • 901-connection piece 902-total positive electrode, 903-total negative electrode;
  • 1001-connecting sheet 1002-total positive electrode, 1003-total negative electrode;
  • FIG. 1 is an exemplary flowchart of a method for grouping battery modules according to an embodiment of the present application.
  • the grouping method may include:
  • S5 A single modular battery package and / or a parallel modular battery package is assembled at a group of workstations to form a battery module that meets a predetermined series-parallel configuration.
  • modular battery packages in the form of single cells or parallel connections can be provided, so as to use any combination of modular packages to form battery modules that meet a predetermined series-parallel relationship, thereby saving assembly time of the battery modules.
  • the parallel modular battery package involved in the above grouping method may include a dual-parallel modular battery package and / or a triple-parallel modular battery package.
  • the parallel workstation in the above method includes a first-stage parallel workstation for assembling a dual-parallel modular battery package, and a secondary-parallel workstation for assembling a triple-parallel battery package.
  • a specific example of the grouping method may include:
  • S13 The single modular battery is packaged in the first-stage parallel workstation to be assembled into a dual and modular battery package;
  • S15 Use dual and modular battery packs to assemble battery modules that meet a predetermined series-parallel configuration at a group of workstations.
  • a specific example of the grouping method may include:
  • S23 The single modular battery is packaged in the first-stage parallel workstation and assembled into a dual and modular battery package;
  • S25 Use single modular battery packs and dual-parallel modular battery packs to assemble battery modules that meet a predetermined series-parallel configuration at a group of workstations.
  • another specific example of the grouping method may include:
  • S33 The single modular battery is packaged in the first-stage parallel workstation to be assembled into a dual and modular battery package;
  • S36 Use any number of triple-parallel modular battery packages in a group workstation to assemble a battery module that meets a predetermined series-parallel configuration.
  • another specific example of the grouping method may include:
  • S43 The single modular battery is packaged in the first-stage parallel workstation to be assembled into a dual and modular battery package;
  • S46 At a group of workstations, a single modular battery package and any number of triple modular battery packages are used to assemble a battery module that meets a predetermined series-parallel configuration.
  • another specific example of the grouping method may include:
  • S56 Use any number of dual-parallel modular battery packs and triple-parallel modular battery packs in a group of workstations to assemble a battery module that meets a predetermined series-parallel configuration.
  • the main idea of the assembly method of the group is: assembling the soft pack battery into a single modular battery package, and further assembling to form a double and modular battery package and / or a triple and modular battery package.
  • This modular package is equivalent to The standardized units or standardized particles of the series-parallel relationship of the battery modules, so that such standardized units or standardized particles can be assembled into battery modules with a predetermined series-parallel relationship as required, which facilitates the group design of the battery modules and saves battery modules.
  • the assembly time of the group enables the battery assembly to be operated in an assembly line, saving labor.
  • the single modular battery package may include four forms, namely, a first single package, a second single package, a third single package, and a fourth single package.
  • the packaging structure of a single modular battery package includes a battery frame mounted on the outer periphery of a soft pack battery, and a foam and a heat dissipation plate which are arranged on the battery frame in a stack with the soft pack battery.
  • the first single package that is, the A-type module 10 includes:
  • Battery frame A104 which is installed on the periphery of the battery 103;
  • the battery 103 is installed in the battery installation space of the battery frame A104;
  • One side of the heat sink 102, the side of the heat sink 102 is closely attached to the battery frame A104;
  • Foam 101 the foam 101 is closely attached to the other side of the heat sink 102;
  • the battery frame A104 includes an A-type positive electrode 105 composed of an aluminum-copper composite insert and an A-type negative electrode 106 composed of a copper insert.
  • the battery 103 positive electrode is in contact with the A-type positive electrode 105 and the battery 103 negative electrode is in contact with the battery frame A104.
  • Module negative 106 is in contact with the battery frame A104.
  • the second single package namely the B-type module 20 also includes foam 201, heat sink 202, battery 203, and battery frame B204.
  • the frame B204 includes a B-type negative electrode 205 composed of a copper insert and a B-type positive electrode 206 composed of an aluminum-copper composite insert.
  • the B-type negative electrode 205 of the battery frame B204 of the B-type module 20 and The arrangement direction of the B-type positive electrode is opposite to the arrangement direction of the A-type positive electrode 105 and the A-type negative electrode 106.
  • the third unit package that is, the C-type module 30, includes foam 301, a heat sink 302, a battery 303, and a battery frame C304, and the first unit package and the second unit package.
  • the difference in the body package is that there is no insert on the battery frame C304.
  • the battery frame C304 includes an ear pad, which is in contact with the positive and negative electrodes of the battery 303.
  • the ear pad is the C type of the C type module 30.
  • the fourth unit package that is, the D-type module 40, includes foam 401, a heat sink 402, a battery 403, and a battery frame D404. There are no inserts on the D404.
  • the battery frame D404 includes tabs, which are in contact with the positive and negative electrodes of the battery 403. The tabs are the D-type negative electrode 405 and the D-type positive electrode 406 of the D-type module 40.
  • the dual-parallel modular battery package may include two forms, that is, a first dual-parallel package composed of a first cell package and a third cell package, and a first-parallel package composed of a second cell package and a fourth cell package. Packaged in two pairs.
  • the first double-parallel package is an E-type module 50.
  • the E-type module 50 is formed by assembling an A-type module 10 and a C-type module 30.
  • the A-type module 10 and the C-type module 30 are bonded together, and the C-type positive electrode 305 of the C-type module 30 and the aluminum-copper composite insert of the A-type module 10 are closely adhered to form an E-type positive electrode 501.
  • the C-type negative electrode 306 of the C-type module 30 and the copper insert of the A-type module 10 are in close contact to form an E-type negative electrode 502.
  • the second dual-parallel package is an F-type module 60, which is formed by assembling a B-type module 20 and a D-type module 40.
  • the D-type negative electrode 405 of the D-type module 40 and the copper insert of the B-type module 20 are in close contact to form an F-type negative electrode 601.
  • the D-type positive electrode 406 of the D-type module 40 and the aluminum-copper composite insert of the B-type module 20 are in close contact to form an F-type positive electrode 602.
  • the triple-parallel modular battery package can include two forms, namely a first triple-parallel package consisting of a first single-cell package and a first double-parallel package, and a first triple-parallel package consisting of a second single-package and a second dual-parallel package. Two, three and package.
  • the first three-parallel package is a G-type module 70 and includes an A-type module 10 and an E-type module 50. Among them, the A-type module 10 and the A-type module 10 in the E-type module 50 are closely stacked together.
  • the second third-parallel package is an H-type module 80, including a B-type module 20 and an F-type module 60.
  • the B-type module 20 and the B-type module 20 in the F-type module 60 are closely stacked together.
  • the subsequent dual-parallel modular battery packages and triple-parallel modular battery packages require different types of single-cell modular battery packages for assembly. Therefore, first, the first single-cell package, At least two types of cell modular battery packages of the second cell package, the third cell package, and the fourth cell package are assembled in parallel using a plurality of cell workstations; then, the cells of at least two cell workstations are modularized The battery packages are converged and delivered to a first-level parallel workstation in parallel. At least one type of dual-parallel modular battery in the first dual-parallel package and the second dual-parallel package is assembled at the first-level parallel workstation to realize the assembly of the dual-parallel battery package.
  • another embodiment also provides a system for battery mold assembly.
  • the system includes two or more groups of conveyor belts arranged side by side, along each group.
  • the single and parallel workstations arranged in turn in the conveying direction of the conveyor belt, and the group of workstations arranged at the back end of the two groups of conveyor belts, among which: the single workstation, the parallel workstation, and the group workstation work together according to the grouping method described above.
  • An embodiment of the present application provides a system for grouping battery molds. As shown in FIG. 19a, the system includes:
  • a system for forming battery modules includes:
  • Parallel workstation 2 for forming a modular battery pack in parallel using a single modular battery pack assembly
  • a plurality of conveyor belts 4 arranged side by side for conveying a single modular battery package from a single workstation 1 to a parallel workstation 2, a single modular battery package from a single workstation 1, and / or from a parallel workstation 2 Conveying parallel modular battery packages to group workstations 3;
  • the single workstation 1 and the parallel workstation 2 are sequentially arranged along the conveying direction of the plurality of conveyor belts 4, and the group of workstations 3 are arranged at the rear end of the multiple conveyor belts 4.
  • steps S1-S5 can be completed.
  • the battery module assembly system in the present application can automatically perform the assembly and transportation of the battery package according to the quantity requirements of the single battery package, the dual battery package, and the triple battery package in the preset battery module, and the degree of automation of the assembly system High and efficient, can be adapted to the installation of battery modules with different series and parallel requirements.
  • a plurality of conveyor belts 4 are arranged side by side in pairs, and the individual workstations 1 and the parallel workstations 2 are sequentially arranged along the conveying direction of each group of conveyor belts 4.
  • the conveyor belt 4 transports the parts required for the assembly process and the assembled battery package.
  • the parallel workstation 2 includes a first-level parallel workstation for assembling a dual-parallel modular battery package, and a secondary parallel workstation for assembling a triple-parallel modular battery package.
  • the first-level parallel workstation and the second-level parallel workstation in the parallel workstation can work simultaneously or separately, so that the utilization rate of the entire system is high and the packaging efficiency is high.
  • the single workstation 1 includes:
  • Heat sink foam workbench for stacking heat sink and foam
  • a first battery frame table for stacking the battery frame with heat sinks and foam
  • a battery workbench for stacking batteries with heat sinks, foam, and battery frames into a single, modular battery package.
  • the single workstation can complete step S1 in the above method.
  • the single-piece workstation 1 further includes a second battery frame workbench located between the first battery frame workbench and the battery workbench; the second battery frame workbench is used to stack the battery frame with the heat sink and the foam .
  • the purpose of setting the second battery frame workbench is to pack the battery cells in parallel, which can increase the utilization of the conveyor belts arranged in parallel.
  • the single cell workstation 1 further includes a battery module welding workbench for single cell modular battery packaging for welding processing, and the single cell packaging is completed after the welding is completed.
  • the first-level parallel workstation includes a stacking robot for stacking battery packages and a dual-parallel battery module welding workbench for welding the stacked battery packages.
  • the secondary parallel workstation includes a stacking robot for stacking single modular battery packs or dual and modular battery packs, and a stacking single modular battery pack or dual and modular battery packs for conveying to the stacker. Conveyor belt for group workstations.
  • the first parallel workstation and the secondary parallel workstation can complete step S3 in the above method.
  • a transmission belt is located between the plurality of the transmission belts and the group of workstations arranged side by side; the group of workstations are arranged along the transmission belt.
  • the conveyor belt can complete step S4 in the above method, and the group of workstations can complete step S5 in the above method.
  • the system includes a plurality of conveyor belts arranged side by side in groups of two, a single workstation and a parallel workstation sequentially arranged along the conveying direction of each group of conveyor belts, and a component disposed at the rear end of the two groups of conveyor belts.
  • Group workstations among which: single workstations, parallel workstations, and group workstations work together according to the grouping method described above.
  • the system includes A conveyor belt 2001, B conveyor belt 2002, C conveyor belt 2003, C conveyor belt 2003, and A conveyor belt D2004 arranged side by side. It can be understood that the system in a specific embodiment includes four conveyor belts, a total of two groups, which can realize the assembly of four single-cell modular battery packages at the same time.
  • the single workstations of this system that match A conveyor belt 2001 and B conveyor belt 2002 include heat sink foam workbenches 2011, battery frame workbenches 2012, battery frame workbenches 2013, battery workbenches 2014 and Single and parallel battery module welding table 2016.
  • the heat sink foam table 2011 transports the stacked heat sinks and foams through the A conveyor belt 2001 and the B conveyor belt 2002.
  • the battery frame table 2012 radiates the heat sink, foam and battery frame of the A conveyor belt 2001.
  • the battery frame workbench 2013 stacks the heat sinks, foams, and battery frames of the B conveyor belt 2002, and the battery workbench 2014 performs battery stacking operations. After the stacking is completed, it is a single modular battery package.
  • the modular battery package is transported to the single and parallel battery module welding workbench 2016, and the single modular battery package is welded. At this time, the assembly of the single modular battery package is completed.
  • the single workstations matching the C conveyor belt 2003 and the D conveyor belt 2004 include heat sink foam workbenches 2021, battery frame workbenches 2022, battery frame workbenches 2023, and battery workbenches 2024 and 2024 located along the conveyor belts and arranged in order.
  • Single and battery module welding table 2026 located along the conveyor belts and arranged in order.
  • the first parallel workstation of the system that matches the A conveyor belt 2001 and the B conveyor belt 2002 includes a stacking robot 2015 and a dual-parallel battery module welding table 2017.
  • the stacking robot 2015 stacks the single modular battery packages conveyed by the A conveyor belt 2001 to the single modular battery packages conveyed by the B conveyor belt 2002.
  • the stacked battery packages are conveyed to the dual-parallel battery module welding table 2017 through the B conveyor belt 2002. Soldering the stacked battery package is a dual and modular battery package.
  • the first parallel work station matching the C conveyor 2003 and the D conveyor 2004 includes a stacking robot 2025 and a dual-parallel battery module welding table 2027.
  • the secondary parallel workstation includes a conveyor belt 2005, a stacking robot 2018, and a stacking robot 2028.
  • the stacking robot 2018 moves the single modular battery package or double and modular battery package of the A conveyor belt 2001 and the B conveyor belt 2002 to the conveyor belt 2005, and the stacked battery packages are conveyed to the subsequent conveyor belt 2005 by the conveyor belt 2005.
  • the stacking robot 2028 stacks the single modular battery package or double and modular battery package of the C conveyor belt 2003 and the D conveyor belt 2004 to the conveyor belt 2005, and the stacked battery packages are transported by the conveyor belt 2005. To subsequent grouped workstations.
  • Group workstations include group workstations 2019 and group workstations 2029.
  • Group Workstation 2019 and Group Workstation 2029 are juxtaposed along the conveyor belt 2005.
  • Group Workstation 2019 and Group Workstation 2029 combine single modular battery packs and / or dual-parallel battery packs from the conveyor belt 2005. Group assembly to achieve group assembly of battery modules.
  • the system includes A conveying line 2001, B conveying line 2002, C conveying line 2003, and A conveying line D2004, which are arranged side by side. It can be understood that the system in this embodiment includes four conveyor belts, a total of two groups, which can realize the assembly of four single-cell modular battery packages at the same time.
  • the system's single workstations that match the A conveyor line 2001 and the B conveyor line 2002 include heat sink foam workstations 2011, battery frame workstations 2012, battery frame workstations 2013, battery workstations 2014, and single units located along the conveyor line and arranged in order. And battery module welding workstation 2016.
  • the heat sink foam workstation 2011 transfers the stacked heat sinks and foams through the A conveyor line 2001 and the B conveyor line 2002.
  • the battery frame workstation 2012 performs the battery on the heat sink and foam of the A conveyor line 2001. Frame stacking operation.
  • the battery frame workstation 2013 performs the battery frame stacking operation on the heat sink and foam of the B conveyor line 2002.
  • the battery workstation 2014 performs the battery stacking operation. After the stacking is completed, it is a single modular battery package.
  • the battery package is transported to the single and parallel battery module welding workstation 2016, and the single modular battery package is welded. At this time, the assembly of the single modular battery package is completed.
  • the single workstations matching the C conveyor line 2003 and the D conveyor line 2004 include heat sink foam workstations 2021, battery frame workstations 2022, battery frame workstations 2023, and battery workstations 2024 and single units located along the conveyor line and arranged in order. And battery module welding station 2026.
  • the first-stage parallel workstations of the system that match the A conveyor line 2001 and the B conveyor line 2002 include a stacking robot 2015 and a dual parallel battery module welding workstation 2017.
  • the stacking robot 2015 stacks the single modular battery packages conveyed by the A conveyor line 2001 to the single modular battery packages conveyed by the B conveyor line 2002.
  • the stacked battery packages are conveyed to the dual-parallel battery module welding station through the B conveyor line 2002.
  • the stacked battery package was soldered, which is a dual and modular battery package.
  • the first parallel workstations matching the C conveyor line 2003 and the D conveyor line 2004 include a stacking robot 2025 and a dual parallel battery module welding workstation 2027.
  • the secondary parallel workstation includes E-conveyor 2005, stacking robot 2018 and stacking robot 2028.
  • the stacking robot 2018 transfers the single modular battery package or double and modular battery package of the A conveyor line 2001 and the B conveyor line 2002 to the E conveyor line 2005, and the stacked battery packages are conveyed by the E conveyor line 2005.
  • the stacking robot 2028 stacks the single modular battery pack or double and modular battery packs of the C conveyor line 2003 and the D conveyor line 2004 and then moves to the E conveyor line 2005, and the E conveyor line In 2005, the stacked battery packages were transferred to subsequent group workstations.
  • Group workstations include group workstations 2019 and group workstations 2029.
  • Group Work Station 2019 and Group Work Station 2029 will group the single modular battery packages and / or dual and parallel battery packages from E Conveyor Line 2005 into groups to realize the group assembly of battery modules.
  • the dual-parallel 24 series battery modules 90 refer to battery modules assembled in series by 12 E-type modules 50 and 12 F-type modules 60 through 23 connecting pieces 901 in series.
  • the E-type module 50 and the F-type module 60 are stacked at intervals, that is, both sides of the E-type module 50 are adjacent to the F-type module 60.
  • the arrangement direction of the B-type negative electrode 205 and the B-type positive electrode is opposite to that of the A-type positive electrode 105 and the A-type negative electrode 106, so the E-type positive electrode 501 and E-type negative electrode 502 of the E-type module 50 and the F-type negative electrode of the F-type module 60
  • the arrangement direction of 601 and F-type positive electrode 602 is opposite.
  • the E-type positive electrode 501 of the E-type module 50 is adjacent to the F-type negative electrode 601 of the F-type module 60, and the E-type negative electrode 502 of the E-type module 50 and the F-type module
  • the F-type positive electrode 602 of 60 is adjacent, and the connecting positive electrode and the negative electrode are connected by using a connecting sheet 901, so that the E-type module 50 and the F-type module 60 are connected in series.
  • the positive electrode and the negative electrode connected without using the connecting sheet 901 are Total positive electrode 902 and total negative electrode 903.
  • S100 and S200 can be completed through S11 to S13 in the example shown in FIG. 2a, and S300 can be regarded as S14 to S15 in the example shown in FIG. 2a.
  • step S100 it specifically includes:
  • the foamed heat sink 102 is grasped by the robot and placed on the transfer tray of the A conveyor line 2001; the foamed heat sink 102 is grasped by the robot and placed on the transfer tray of the B conveyor line 2002;
  • a conveyor line 2001 and B conveyor line 2002 transport the transfer tray forward;
  • the robot hand grabs the battery frame 104 and accurately stacks it on the heat dissipation plate 102 loaded with foam.
  • the robot grips the battery frame 304 and accurately stacks it on the heat sink 302 loaded with foam.
  • a conveyor line 2001 and B conveyor line 2002 will continue to transport the transfer pallets forward;
  • the battery workstation 2014 two battery processing devices are provided to perform open-circuit voltage internal resistance detection, appearance detection, pole ear cutting, polarity detection, and other steps; two robot arms are provided, and the two robot arms respectively.
  • the qualified battery 103 is grasped and accurately stacked on the battery frame 104 of the tray in the A conveyor line 2001 to form an A-type module 10.
  • the qualified battery 303 is grasped and accurately stacked on the battery of the tray in the B conveyor line 2002
  • a C-type module 30 is formed;
  • the stacking robot 2015 grabs the A-type module 10 on the A-conveying line 2001 and stacks it on the C-type module 30 on the B-conveying line 2002 to form an E-type module 50.
  • the B-conveying line 2002 divides the E-type module 50 Forward, at the dual-parallel battery module welding station 2017, one robot hand grabs the E-type module 50 and places it in the welding device.
  • the E-type positive electrode 501 and E-type negative electrode 502 are both welded. After the welding is completed, the other robot will The E-module 50 is grasped and repositioned on the B conveyor line 2002;
  • the stacking robot 2018 grabs the completed E-module 50 and places it on a pallet of the E conveyor line 2005.
  • the assembly of the F-type module 60 in step S200 specifically includes:
  • a robot hand grabs a battery frame 204 and accurately stacks it on a tray loaded with a foam-attached heat sink 202.
  • a robot hand grabs a battery frame 404 and accurately stacks it on a tray loaded with a foamed heat sink 402;
  • the battery workstation 2024 two battery processing devices are provided to perform open-circuit voltage internal resistance detection, appearance detection, pole cutting, polarity detection, and other steps.
  • Two robot arms are provided, and the two robot arms respectively.
  • the qualified battery 203 is grasped and accurately stacked on the battery frame 204 of the tray in the D conveyor line 2004 to form a B-module 20; and the qualified battery 403 is grasped and accurately stacked on the battery frame of the tray in the C conveyor line 2003 404, forming a D-type module 40;
  • the stacking robot 2025 grabs the B-type module 20 on the D-conveyor line 2004 and stacks it on the D-type module 40 on the C-conveyor line 2003 to form an F-type module 60.
  • the C-conveyor line 2003 converts the F-type module 60 Transfer forward.
  • a robot hand grabs the F-type 2 parallel module 60 and places it in the welding device.
  • the module negative electrode 601 and the module positive electrode 602 are both welded. After the welding is completed, the other robot hand will The F-type 2 parallel module 60 is grasped and repositioned on the C conveyor line 2003.
  • the stacking robot 2028 grabs the completed F-type module 60 and places it on a pallet of the E-conveying line 2005.
  • the assembly of the dual-parallel 24 series module in step S300 includes:
  • E conveyor line 2005 transports the pallets loaded with E-module 50 and F-module 60 forward, and shunts them to the mold forming station 2019 and the mold forming station 2029 with the same function;
  • the modular assembly station 2019 and the modular assembly station 2029 are each provided with a stacking robot, which sequentially grasps the E-type module 50 and the F-type module 60 and stacks them into 24 dual-parallel battery modules;
  • three parallel 20-series battery modules 100 refer to battery modules assembled by 10 G-type modules 70 and 10 H-type modules 80 through 19 connecting pieces 1001. .
  • the two ends of the three parallel 20 series modules 100 are a total positive electrode 1002 and a total negative electrode 1003, respectively.
  • S400 and S500 can be completed through S31 to S34 in the example shown in FIG. 2c, and S600 can be regarded as S35 and S36 in the example shown in FIG. 2c.
  • S400 in the above steps includes:
  • a conveyor line 2001 transports the A-type module 10 forward.
  • a robotic arm grabs and places the A-type module 10 in the welding device.
  • the A-type positive electrode 105 and the A-type negative electrode 106 are both Is welded, after welding is completed, another robot hand grabs the A-module 10 and repositions it on the A conveyor line 2001;
  • the stacking robot 2018 grabs and places the soldered E-module 50 on a tray of the E conveyor line 2005, and then the stack robot 2018 grabs and stacks the soldered A-module 10 on the E-module 50. Forms a G-type module 70.
  • the specific assembly process of the E-type module 50 is the same as that in Embodiment 1, and is not repeated here.
  • step S500 includes:
  • D conveyor line 2004 transports the B-type module 20 forward.
  • a manipulator grabs the B-type module 20 and places it in the welding device.
  • the B-type positive electrode 206 and the B-type negative electrode 205 are both Is welded, after welding is completed, another manipulator grabs the B-type module 20 and repositions it on the D conveyor line 2004;
  • the stacking robot 2028 grabs the soldered F-module 60 and places it on the pallet of the E conveyor line 2005, and then the stacking robot 2028 grabs the soldered B-module 20 and stacks it on the F-module 60. Forms an H-shaped module 80.
  • the specific assembly process of the F-type module 60 is the same as that in Embodiment 1, and is not repeated here.
  • step S600 in this embodiment includes:
  • E conveyor line 2005 transports the pallet loaded with G-type module 70 and H-type module 80 forward, and shunts it to the mold forming group work station 2019 and mold forming group work station 2029 with the same function;
  • the modular assembly station 2019 and the modular assembly station 2029 are each provided with a stacking robot.
  • the stacking robot sequentially grabs the G-type module 70 and the H-type module 80 and stacks them into 20 triple-battery battery modules.
  • 10 G-type modules 70 and 10 H-type modules 80 are alternately connected in series to form a three-parallel 20-series module 100.
  • the total positive electrode 1002 and the total negative electrode 1003 can be used as external output electrodes.
  • a single parallel 10-series module can be achieved by grouping 5 A-type modules 10 and 5 B-type modules 20.
  • four parallel and eleven strings can be achieved by grouping 10 E-type modules 50 and 12 F-type modules 60, that is, 10 E-type modules 50 and 10 F-type modules 60 form 10 groups of four parallel and another 2
  • the F-type module 60 forms a group of four unions.

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Abstract

一种电池模组的成组方法和用于电池模组成组的系统，该成组方法包括：在单体工作站将软包电池装配为单体模块化电池封装（S1）；根据预先设定的电池模组的串并联配置，从单体工作站输送相应数量的单体模块化电池封装至并联工作站（S2）；在并联工作站利用单体模块化电池封装装配形成并联模块化电池封装（S3）；根据预先设定的电池模组的串并联配置，从单体工作站输送相应数量的单体模块化电池封装、和/或从并联工作站输送相应数量的并联模块化电池封装至成组工作站（S4）；在成组工作站利用单体模块化电池封装和/或并联模块化电池封装装配（S5）。

Description

电池模组的成组方法和用于电池模组成组的系统
相关申请的交叉引用
本申请要求北京长城华冠汽车科技股份有限公司于2018年07月27日提交的、申请名称为“电池模组的成组方法和用于电池模组成组的系统”的、中国专利申请号“201810842420.2”的优先权；以及北京长城华冠汽车科技股份有限公司于2018年07月27日提交的、申请名称为“用于电池模组成组的系统”的、中国专利申请号“201810841876.7”的优先权。
技术领域
本申请涉及电池装配技术，特别涉及一种电池模组的成组方法、以及用于电池模组成组的系统。
背景技术
软包锂离子电池具有能量密度高，适应性广泛等优点，在电动汽车上的应用日益增多。通常，软包锂离子电池模组由电池框、泡棉、导热片等组成，并且为满足不同的电压、容量需求，电池模组需要进行多种不同的串、并联。
目前电池模组的串、并联大多是通过人工定制实现，不能做到模块化操作，成组方法自动化程度低、不能适应不同串、并联需求。
申请内容
在一个实施例中，提供了一种电池模组的成组方法，解决电池成组自动化程度低、不能适应不同串、并联需求的技术问题。该成组方法包括：
在单体工作站将软包电池装配为单体模块化电池封装；
根据预先设定的电池模组的串并联配置，从单体工作站输送相应数量的单体模块化电池封装至并联工作站；
在并联工作站利用单体模块化电池封装装配形成并联模块化电池封装；
根据预先设定的电池模组的串并联配置，从单体工作站输送相应数量的单体模块化电池封装、和/或从并联工作站输送相应数量的并联模块化电池封装至成组工作站；
在成组工作站利用单体模块化电池封装和/或并联模块化电池封装装配形成满足预定串并联配置的电池模组。
可选地，利用单体模块化电池封装装配形成并联模块化电池封装包括：将单体模块化电 池封装成对地组合装配为双并模块化电池封装。
可选地，利用单体模块化电池封装装配形成并联模块化电池封装进一步包括：将单体模块化电池封装与双并模块化电池封装组合装配为三并模块化电池封装。
可选地，并联工作站包括用于装配双并模块化电池封装的首级并联工作站、以及用于装配三并模块化电池封装的次级并联工作站。
可选地，至少两个单体工作站的单体模块化电池封装并行地向一个首级并联工作站汇聚输送，用以装配第一双并封装和第二双并封装中的至少一类双并模块化电池；和/或
至少一个单体工作站的单体模块化电池封装和至少一个首级并联工作站的双并模块化电池封装向一个次级并联工作站汇聚输送，用以装配第一三并封装和第二三并封装中的至少一类三并模块化电池封装。
可选地，单体模块化电池封装包括第一单体封装、第二单体封装、第三单体封装以及第四单体封装；
其中，相比于第一单体封装和第二单体封装的封装结构，第三封装和第四封装的封装结构进一步包括极耳垫块；
并且，第一单体封装和第二单体封装的正负极布置方向相反，第三单体封装和第四单体封装的正负极布置方向相反。
可选地，第一单体封装、第二单体封装、第三单体封装以及第四单体封装的封装结构包括装设于软包电池外周的电池框、以及与软包电池堆叠布置于电池框的泡棉和散热板。
可选地，双并模块化电池封装包括由第一单体封装和第三单体封装组成的第一双并封装、以及由第二单体封装和第四单体封装组成的第二双并封装。
可选地，三并模块化电池封装包括由第一单体封装和第一双并封装组成的第一三并封装、以及由第二单体封装和第二双并封装组成的第二三并封装。
可选地，第一单体封装、第二单体封装、第三单体封装以及第四单体封装中的至少两类单体模块化电池封装利用多个单体工作站并行装配。
另一个实施例中还提供了一种用于电池模组成组的系统，该系统包括两两一组并排布置的多条传送带、沿每组传送带的传送方向依次布置的单体工作站和并联工作站、以及布置在两组传送带后端的成组工作站，其中：单体工作站、并联工作站以及成组工作站如上所述的成组方法协同工作。
基于上述实施例，可以提供单体或并联形式的模块化电池封装，模块化电池封装可看作是电池模组的串并联关系的标准化单元或标准化颗粒，从而可根据需要将这样的标准化单元或标准化颗粒装配成预定串并联关系的电池模组，便于电池模组的成组设计，节省电池模组的组装时间。
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
附图说明
图1为本申请实施例中的电池模组的成组方法的示例性流程图；
图2a至图2e为如图1所示的成组方法的实例流程示意图；
图3为本申请实施例的A型模块分解示意图；
图4为本申请实施例的A型模块整体结构示意图；
图5为本申请实施例的B型模块分解示意图；
图6为本申请实施例的B型模块整体结构示意图；
图7为本申请实施例的C型模块分解示意图；
图8为本申请实施例的C型模块整体结构示意图；
图9为本申请实施例的D型模块分解示意图；
图10为本申请实施例的D型模块整体结构示意图；
图11为本申请实施例的E型模块分解示意图；
图12为本申请实施例的E型模块整体结构示意图；
图13为本申请实施例的F型模块分解示意图；
图14为本申请实施例的F型模块整体结构示意图；
图15为本申请实施例的G型模块分解示意图；
图16为本申请实施例的G型模块整体结构示意图；
图17为本申请实施例的H型模块分解示意图；
图18为本申请实施例的H型模块整体结构示意图；
图19为本申请实施例的用于电池模组成组的系统示意图；
图20为本申请实施例的双并24串电池模组结构示意图；
图21为本申请实施例的双并24串电池模组成组过程示意图；
图22为本申请实施例的三并20串电池模组结构示意图；
图23为本申请实施例的三并20串电池模组成组过程示意图。
附图标记
10-A型模块、20-B型模块、30-C型模块、40-D型模块、50-E型模块、60-F型模块、70-G型模块、80-H型模块、90-双并24串模组、100-三并20串模组；
101-泡棉、102-散热板、103-电池、104-电池框、A105-A型正极、106-A型负极；
201-泡棉、202-散热板、203-电池、204-电池框B、205-B型负极、206-B型正极；
301-泡棉、302-散热板、303-电池、304-电池框C、305-C型正极、306-C型负极；
401-泡棉、402-散热板、403-电池、404-电池框D、405-D型负极、406-D型正极；
501-E型正极、502-E型负极；
601-F型负极、602-F型正极；
701-G型正极、702-G型负极；
801-H型负极、802-H型正极；
901-连接片、902-总正极、903-总负极；
1001-连接片、1002-总正极、1003-总负极；
2001-A输送线、2002-B输送线、2003-C输送线、2004-D输送线、2005-E输送线、2011-散热片泡棉工作站、2012-电池框工作站、2013-电池框工作站、2014-电芯工作站、2015-堆叠机械手、2016-单并电池模块焊接工作站、2017-双并电池模块焊接工作站、2018-堆叠机械手、2019-模组成组工作站、2021-散热片泡棉工作站、2022-电池框工作站、2023-电池框工作站、2024-电芯工作站、2025-堆叠机械手、2026-单并电池模块焊接工作站、2027-双并电池模块焊接工作站、2028-堆叠机械手、2029-模组成组工作站。
具体实施方式
为了对申请的技术特征、目的和效果有更加清楚的理解，现对照附图说明本申请的具体实施方式，在各图中相同的标号表示相同的部分。
图1为本申请实施例中的电池模组的成组方法的示例性流程图。请参见图1，该成组方法可以包括：
S1：在单体工作站将软包电池装配为单体模块化电池封装；
S2：根据预先设定的电池模组的串并联配置，从单体工作站输送相应数量的单体模块化电池封装至并联工作站；
S3：在并联工作站利用单体模块化电池封装装配形成并联模块化电池封装；
S4：根据预先设定的电池模组的串并联配置，从单体工作站输送相应数量的单体模块化电池封装、和/或从并联工作站输送相应数量的并联模块化电池封装至成组工作站；
S5：在成组工作站利用单体模块化电池封装和/或并联模块化电池封装装配形成满足预定串并联配置的电池模组。
基于上述成组方法，可以提供单体或并联形式的模块化电池封装，以便于利用模块化封装的任何组合方式成组形成满足预定串并联关系的电池模组，节省电池模组的组装时间。
上述成组方法中涉及的并联模块化电池封装可以包括双并模块化电池封装和/或三并模块化电池封装。与之相对应的，上述方法中的并联工作站包括用于装配双并模块化电池封 装的首级并联工作站、以及用于装配三并模块化电池封装的次级并联工作站。
请参见图2a，以并联模块化电池封装包括双并模块化电池封装为例，该成组方法的一个具体实例可以包括：
S11：在单体工作站将软包电池装配为单体模块化电池封装；
S12：根据预先设定的电池模组的串并联配置，从单体工作站输送成对的单体模块化电池封装至并联工作站；
S13：在首级并联工作站将单体模块化电池封装成对地组合装配为双并模块化电池封装；
S14：根据预先设定的电池模组的串并联配置，从并联工作站输送相应数量的并联模块化电池封装至成组工作站；
S15：在成组工作站利用双并模块化电池封装装配形成满足预定串并联配置的电池模组。
请参见图2b，作为如图2a所示流程的一种变形，该成组方法的一个具体实例可以包括：
S21：在单体工作站将软包电池装配为单体模块化电池封装；
S22：根据预先设定的电池模组的串并联配置，从单体工作站输送成对的单体模块化电池封装至并联工作站；
S23：在首级并联工作站将单体模块化电池封装成对地组合装配为双并模块化电池封装；
S24：根据预先设定的电池模组的串并联配置，从单体工作站输送相应数量的单体模块化电池封装和从并联工作站输送相应数量的并联模块化电池封装至成组工作站；
S25：在成组工作站利用单体模块化电池封装和双并模块化电池封装装配形成满足预定串并联配置的电池模组。
请参见图2c，以并联模块化电池封装包括双并模块化电池封装和三并模块化电池封装为例，该成组方法的另一个具体实例可以包括：
S31：在单体工作站将软包电池装配为单体模块化电池封装；
S32：根据预先设定的电池模组的串并联配置，从单体工作站输送相应数量的单体模块化电池封装至并联工作站；
S33：在首级并联工作站将单体模块化电池封装成对地组合装配为双并模块化电池封装；
S34：在次级并联工作站将单体模块化电池封装与双并模块化电池封装组合装配为三并模块化电池封装；
S35：根据预先设定的电池模组的串并联配置，从次级并联工作站输送相应数量的三并模块化电池封装至成组工作站；
S36：在成组工作站利用三并模块化电池封装的任意数量组合，装配形成满足预定串并联配置的电池模组。
请参见图2d，作为如图2c所示流程的一种变形，该成组方法的另一个具体实例可以包 括：
S41：在单体工作站将软包电池装配为单体模块化电池封装；
S42：根据预先设定的电池模组的串并联配置，从单体工作站输送相应数量的单体模块化电池封装至并联工作站；
S43：在首级并联工作站将单体模块化电池封装成对地组合装配为双并模块化电池封装；
S44：在次级并联工作站将单体模块化电池封装与双并模块化电池封装组合装配为三并模块化电池封装；
S45：根据预先设定的电池模组的串并联配置，从单体工作站输送相应数量的单体模块化电池封装和从次级并联工作站输送相应数量的三并模块化电池封装至成组工作站；
S46：在成组工作站利用单体模块化电池封装和三并模块化电池封装的任意数量组合，装配形成满足预定串并联配置的电池模组。
请参见图2e，作为如图2c所示流程的又一种变形，该成组方法的另一个具体实例可以包括：
S51：在单体工作站将软包电池装配为单体模块化电池封装；
S52：根据预先设定的电池模组的串并联配置，从单体工作站输送相应数量的单体模块化电池封装至并联工作站；
S5:3：在首级并联工作站将单体模块化电池封装成对地组合装配为双并模块化电池封装；
S54：在次级并联工作站将单体模块化电池封装与双并模块化电池封装组合装配为三并模块化电池封装；
S55：根据预先设定的电池模组的串并联配置，从首级并联工作站输送相应数量的双并模块化电池封装和从次级并联工作站输送相应数量的三并模块化电池封装至成组工作站；
S56：在成组工作站利用双并模块化电池封装和三并模块化电池封装的任意数量组合，装配形成满足预定串并联配置的电池模组。
实际应用中，单体模块化电池封装、双并模块化电池封装以及三并模块化电池封装可以采用各种组合方式且每种模块化电池封装的数量不限，这是因为，上述的电池模组的组装方法的主要理念是：将软包电池装配为单体模块化电池封装、并进一步装配形成双并模块化电池封装和/或三并模块化电池封装，这种模块化封装形式相当于电池模组的串并联关系的标准化单元或标准化颗粒，从而可根据需要将这样的标准化单元或标准化颗粒装配成预定串并联关系的电池模组，便于电池模组的成组设计，可节省电池模组的组装时间，使得电池组装可流水线操作，节省人力。
具体的，单体模块化电池封装可以包括四种形式，即，第一单体封装、第二单体封装、 第三单体封装以及第四单体封装。单体模块化电池封装的封装结构包括装设于软包电池外周的电池框、以及与软包电池堆叠布置于电池框的泡棉和散热板。
更为具体的，如图3和图4所示，第一单体封装，即A型模块10，包括：
电池框A104，电池框A104装设于电池103外周；
电池103，电池103安装于电池框A104的电池安装空间内；
散热板102，散热片102的一面紧贴电池框A104；
泡棉101，泡棉101紧贴于散热片102的另一面；
其中，电池框A104包括由铝铜复合嵌件组成的A型正极105和由铜嵌件组成的A型负极106，电池103正极与A型正极105接触，电池103负极与电池框A104上的组成模块负极106。
与第一单体封装结构相类似的，如图5和图6所示，第二单体封装，即B型模块20，同样包括泡棉201、散热板202、电池203和电池框B204，电池框B204包括由铜嵌件组成的B型负极205和由铝铜复合嵌件组成的B型正极206，与A型模块10不同的是，B型模块20的电池框B204的B型负极205和B型正极的布置方向与A型正极105和A型负极106的布置方向相反。
同样的，如图7和图8所示，第三单体封装，即C型模块30，包括泡棉301、散热板302、电池303和电池框C304，与第一单体封装和第二单体封装不同的是，电池框C304上无嵌件，电池框C304包括极耳垫块，极耳垫块与电池303的正负极分别接触，极耳垫块即为C型模块30的C型正极305和C型负极306。
与第三单体封装结构相类似的，如图9和图10所示，第四单体封装，即D型模块40，包括泡棉401、散热板402、电池403和电池框D404，电池框D404上无嵌件，电池框D404包括极耳垫块，极耳垫块与电池403的正负极分别接触，极耳垫块即为D型模块40的D型负极405和D型正极406。
双并模块化电池封装可以包括两种形式，即，由第一单体封装和第三单体封装组成的第一双并封装、以及由第二单体封装和第四单体封装组成的第二双并封装。
如图11和图12所示，第一双并封装，即E型模块50，该E型模块50由一个A型模块10和一个C型模块30组装形成。A型模块10和C型模块30贴合，C型模块30的C型正极305与A型模块10的铝铜复合嵌件紧贴，组成E型正极501。同样的，C型模块30的C型负极306与A型模块10的铜嵌件紧贴，组成E型负极502。
与第一双并封装结构类似，如图13和图14所示，第二双并封装，即F型模块60，该F型模块60由一个B型模块20和一个D型模块40组装形成。D型模块40的D型负极405与B型模块20的铜嵌件紧贴，组成F型负极601。同样的，D型模块40的D型正极406与B 型模块20的铝铜复合嵌件紧贴，组成F型正极602。
三并模块化电池封装可以包括两种形式，即，由第一单体封装和第一双并封装组成的第一三并封装、以及由第二单体封装和第二双并封装组成的第二三并封装。
具体地，如图15和图16所示，第一三并封装，即为G型模块70，包括A型模块10和E型模块50。其中，A型模块10与E型模块50中的A型模块10紧贴的堆叠在一起。
与第一三并封装结构类似，如图17和图18所示，第二三并封装，即为H型模块80，包括B型模块20和F型模块60。其中，B型模块20与F型模块60中的B型模块20紧贴的堆叠在一起。
可以理解的是，基于后续电池模组的需要，后续的双并模块化电池封装和三并模块化电池封装需要不同种类的单体模块化电池封装进行组装，因而首先，第一单体封装、第二单体封装、第三单体封装以及第四单体封装中的至少两类单体模块化电池封装利用多个单体工作站并行装配；然后，至少两个单体工作站的单体模块化电池封装并行地向一个首级并联工作站汇聚输送，在首级并联工作站装配第一双并封装和第二双并封装中的至少一类双并模块化电池，实现双并模块化电池封装的装配；和/或至少一个单体工作站的单体模块化电池封装和至少一个首级并联工作站的双并模块化电池封装向一个次级并联工作站汇聚输送，用以装配第一三并封装和第二三并封装中的至少一类三并模块化电池封装。
基于上述的电池模组成组方法，如图19所示，另一个实施例还提供了一种用于电池模组成组的系统，该系统包括两两一组并排布置的多条传送带、沿每组传送带的传送方向依次布置的单体工作站和并联工作站、以及布置在两组传送带后端的成组工作站，其中：单体工作站、并联工作站以及成组工作站根据上述的成组方法协同工作。
本申请的实施例提供一种用于电池模组成组的系统，如图19a所示，该系统包括：
用于电池模组成组的系统包括：
用于将软包电池装配为单体模块化电池封装的单体工作站1；
用于利用单体模块化电池封装装配形成并联模块化电池封装的并联工作站2；
用于利用单体模块化电池封装和/或并联模块化电池封装装配形成电池模组的成组工作站3；以及
并排布置的多条传送带4，所述传送带4用于从单体工作站1输送单体模块化电池封装至并联工作站2、从单体工作站1输送单体模块化电池封装、和/或从并联工作站2输送并联模块化电池封装至成组工作站3；
其中，单体工作站1和并联工作站2沿多条所述传送带4的传送方向依次布置，并且成组工作站3布置在多条传送带4的后端。
该系统应用于上述的电池模组的成组方法时，可完成步骤S1-S5。
现有技术中，电池模组的串、并联大多是通过人工定制实现，不能做到模块化操作，成组方法自动化程度低、不能适应不同串、并联需求。本申请中的电池模组成组系统能够根据预设电池模组中单体电池封装、双并电池封装和三并电池封装的数量需求自动化进行电池封装的装配和输运，该装配系统的自动化程度高、效率高，可以适应于不同串、并联需求的电池模组安装。
具体地，多条传送带4两两一组并排布置，单体工作站1和并联工作站2沿每组传送带4的传送方向依次布置。传送带4将装配过程所需零部件以及组装完成的电池封装进行输运。
并且，并联工作站2包括用于装配双并模块化电池封装的首级并联工作站、以及用于装配三并模块化电池封装的次级并联工作站。并联工作站中的首级并联工作站和次级并联工作站可以同时工作，也可以分开工作，使得整个系统的利用率高，并且封装效率高。
单体工作站1包括位于所述传送带沿线并且依次排列的：
用于将散热片和泡棉散进行堆叠的散热片泡棉工作台；
用于将电池框与散热片和泡棉进行堆叠的第一电池框工作台；和
用于将电池与散热片、泡棉和电池框堆叠为单体模块化电池封装的电池工作台。
通过上述的散热片泡棉工作台、第一电池框工作台和电池工作台三者配合即可实现单体电池封装的堆叠完成。该单体工作站可完成上述方法中的步骤S1。
可选地，单体工作站1还包括位于第一电池框工作台和电池工作台之间的第二电池框工作台；第二电池框工作台用于将电池框与散热片和泡棉进行堆叠。设置第二电池框工作台其目的在于并行进行电池单体的封装，这样可增加并列设置的传送带的利用率。
堆叠完成后，单体工作站1还包括用于将单体模块化电池封装进行焊接处理单的电池模块焊接工作台，焊接完成后即为单体电池封装。
首级并联工作站包括用于堆叠电池封装的堆叠机械手和用于将堆叠后的电池封装进行焊接处理的双并电池模块焊接工作台。
次级并联工作站包括用于将单体模块化电池封装或双并模块化电池封装进行堆叠的堆叠机械手，和用于将堆叠后的单体模块化电池封装或双并模块化电池封装输送至成组工作站的传输带。
该首级并联工作站和次级并联工作站可完成上述方法中的步骤S3。
并且，传输带位于并排布置的多条所述传送带与所述成组工作站之间；成组工作站设置于所述传输带沿线。传输带可完成上述方法中的步骤S4，成组工作站可完成上述方法中的步骤S5。
如图19b所示，一个实施例中该系统包括两两一组并排布置的多条传送带、沿每组传送带的传送方向依次布置的单体工作站和并联工作站、以及布置在两组传送带后端的成组工 作站，其中：单体工作站、并联工作站以及成组工作站根据上述的成组方法协同工作。
该系统包括A传送带2001、与A传送带2001一组并且并排布置的B传送带2002、C传送带2003、与C传送带2003一组并且并排布置的传送带D2004。可以理解的是，一个具体实施例中的系统包括四条传送带，共两组，可同时实现四个单体模块化电池封装的装配。
该系统的与A传送带2001和B传送带2002相匹配的单体工作站包括位于传送带沿线并且依次排列的散热片泡棉工作台2011、电池框工作台2012、电池框工作台2013、电池工作台2014和单并电池模块焊接工作台2016。其中，散热片泡棉工作台2011将堆叠完成的散热片和泡棉通过A传送带2001和B传送带2002进行输送，输送途中，电池框工作台2012对A传送带2001的散热片、泡棉和电池框进行堆叠操作，电池框工作台2013对B传送带2002的散热片、泡棉和电池框进行堆叠操作，电池工作台2014进行电池堆叠操作，堆叠完成后即为单体模块化电池封装，该单体模块化电池封装被输送至单并电池模块焊接工作台2016，对单体模块化电池封装进行焊接处理，此时单体模块化电池封装装配完成。
同理，与C传送带2003和D传送带2004相匹配的单体工作站包括位于传送带沿线并且依次排列的散热片泡棉工作台2021、电池框工作台2022、电池框工作台2023和电池工作台2024和单并电池模块焊接工作台2026。
进一步的，该系统的与A传送带2001和B传送带2002相匹配的首级并联工作站包括堆叠机械手2015和双并电池模块焊接工作台2017。堆叠机械手2015将由A传送带2001输送的单体模块化电池封装堆叠至由B传送带2002输送的单体模块化电池封装，堆叠后的电池封装通过B传送带2002输送至双并电池模块焊接工作台2017，对堆叠后的电池封装进行焊接处理，即为双并模块化电池封装。
同理，与C传送带2003和D传送带2004相匹配的首级并联工作站包括堆叠机械手2025和双并电池模块焊接工作台2027。
次级并联工作站包括传输带2005、堆叠机械手2018和堆叠机械手2028。其中，堆叠机械手2018将A传送带2001和B传送带2002的单体模块化电池封装或双并模块化电池封装堆叠后移至传输带2005，由传输带2005将堆叠后的电池封装输送至后续的成组工作站，同理，堆叠机械手2028将C传送带2003和D传送带2004的单体模块化电池封装或双并模块化电池封装堆叠后移至传输带2005，由传输带2005将堆叠后的电池封装输送至后续的成组工作站。
成组工作站包括成组工作站2019和成组工作站2029。成组工作站2019和成组工作站2029并列设置于传输带2005的沿线，成组工作站2019和成组工作站2029将来自传输带2005的单体模块化电池封装和/或双并模块化电池封装进行成组组装，实现电池模组的成组装配。
以上是对电池模组成组原理和系统进行的说明，下面通过双并24串电池模组和三并20串电池模组的组装过程具体组装过程进行进一步的具体说明。
该系统包括A输送线2001、与A输送线2001一组并且并排布置的B输送线2002、C输送线2003、与C输送线2003一组并且并排布置的输送线D2004。可以理解的是，该实施例中的系统包括四条传送带，共两组，可同时实现四个单体模块化电池封装的装配。
该系统的与A输送线2001和B输送线2002相匹配的单体工作站包括位于输送线沿线并且依次排列的散热片泡棉工作站2011、电池框工作站2012、电池框工作站2013、电池工作站2014和单并电池模块焊接工作站2016。其中，散热片泡棉工作站2011将堆叠完成的散热片和泡棉通过A输送线2001和B输送线2002进行输送，输送途中，电池框工作站2012对A输送线2001的散热片和泡棉进行电池框堆叠操作，电池框工作站2013对B输送线2002的散热片和泡棉进行电池框堆叠操作，电池工作站2014进行电池堆叠操作，堆叠完成后即为单体模块化电池封装，该单体模块化电池封装被输送至单并电池模块焊接工作站2016，对单体模块化电池封装进行焊接处理，此时单体模块化电池封装装配完成。
同理，与C输送线2003和D输送线2004相匹配的单体工作站包括位于输送线沿线并且依次排列的散热片泡棉工作站2021、电池框工作站2022、电池框工作站2023和电池工作站2024和单并电池模块焊接工作站2026。
进一步的，该系统的与A输送线2001和B输送线2002相匹配的首级并联工作站包括堆叠机械手2015和双并电池模块焊接工作站2017。堆叠机械手2015将由A输送线2001输送的单体模块化电池封装堆叠至由B输送线2002输送的单体模块化电池封装，堆叠后的电池封装通过B输送线2002输送至双并电池模块焊接工作站2017，对堆叠后的电池封装进行焊接处理，即为双并模块化电池封装。
同理，与C输送线2003和D输送线2004相匹配的首级并联工作站包括堆叠机械手2025和双并电池模块焊接工作站2027。
次级并联工作站包括E输送线2005、堆叠机械手2018和堆叠机械手2028。其中，堆叠机械手2018将A输送线2001和B输送线2002的单体模块化电池封装或双并模块化电池封装堆叠后移至E输送线2005，由E输送线2005将堆叠后的电池封装输送至后续的成组工作站，同理，堆叠机械手2028将C输送线2003和D输送线2004的单体模块化电池封装或双并模块化电池封装堆叠后移至E输送线2005，由E输送线2005将堆叠后的电池封装输送至后续的成组工作站。
成组工作站包括成组工作站2019和成组工作站2029。成组工作站2019和成组工作站2029将来自E输送线2005的单体模块化电池封装和/或双并模块化电池封装进行成组组装，实现电池模组的成组装配。
以上是对电池模组成组原理和系统进行的说明，下面通过双并24串电池模组和三并20串电池模组的组装过程具体组装过程进行进一步的具体说明。
实施例1：
本实施例中，双并24串电池模组90指的是12个E型模块50和12个F型模块60通过23个连接片901串联所装配成组的电池模组。
具体的，如图20所示，E型模块50和F型模块60间隔堆叠，也就是说，E型模块50的两面均与F型模块60相邻，由于B型模块20的电池框B204的B型负极205和B型正极的布置方向与A型正极105和A型负极106的布置方向相反，因而E型模块50的E型正极501和E型负极502与F型模块60的F型负极601和F型正极602的布置方向相反。这样E型模块50和F型模块60间隔堆叠的时候，E型模块50的E型正极501与F型模块60的F型负极601相邻，E型模块50的E型负极502与F型模块60的F型正极602相邻，使用连接片901将相邻的正极和负极相连，实现将E型模块50和F型模块60的串联，这样，未使用连接片901连接的正极和负极即为总正极902和总负极903。
如图21所示，使用上述的电池模组成组的系统进行装配时，包括：
S100、E型模块50的组装；
S200、F型模块60的组装；
S300、双并24串模组组装。
上述的S100和S200可以通过如图2a所示实例中的S11至S13来完成，而S300则可以看作是如图2a所示实例中的S14至S15。
对于步骤S100，具体包括：
S101、在散热片泡棉工作站2011中，设置两个贴泡棉装置，分别将泡棉101贴在散热板102上，以及将泡棉301贴在散热板302上；
贴好泡棉的散热板102被机械手抓取并放置在A输送线2001的转运托盘上；贴好泡棉的散热板302被机械手抓取并放置在B输送线2002的转运托盘上；
A输送线2001和B输送线2002将转运托盘往前输送；
S102、在电池框工作站2012，机械手抓取电池框104并准确堆叠于装载了贴好泡棉的散热板102；
同时在电池框工作站2013，机械手抓取电池框304并准确堆叠于装载了贴好泡棉的散热板302；
A输送线2001和B输送线2002将转运托盘继续往前输送；
S103、在电池工作站2014中，设置2个电池处理装置，对电池进行开路电压内阻检测，外观检测，极耳裁切，极性检测等等工步；设置2个机械手，2个机械手分别将处理合格的 电池103抓取并准确堆叠于A输送线2001中托盘的电池框104上，组成A型模块10；同时将处理合格的电池303抓取并准确堆叠于B输送线2002中托盘的电池框304上，组成C型模块30；
S104、堆叠机械手2015抓取A输送线2001上的A型模块10，并将其堆叠于B输送线2002上的C型模块30上，组成E型模块50；B输送线2002将E型模块50往前输送，在双并电池模块焊接工作站2017，一个机械手将E型模块50抓取并放置在焊接装置中，E型正极501、E型负极502都被焊接，焊接完成后，另一个机械手将E型模块50抓取并重新放置在B输送线2002上；
S105、堆叠机械手2018将焊接完成的E型模块50抓取并放置在E输送线2005的托盘上。
步骤S200中F型模块60的组装具体包括：
S201、在散热片泡棉工作站2021中，设置2个贴泡棉装置，分别将泡棉201贴在散热板202上，以及将泡棉401贴在散热板402上；贴好泡棉的散热板202被一个机械手抓取并放置在D输送线2004的转运托盘上；贴好泡棉的散热板402被另一个机械手抓取并放置在C输送线2003的转运托盘上；
D输送线2004和C输送线2003将转运托盘往前输送；
S202、在电池框工作站2022，机械手抓取1个电池框204并准确堆叠于装载了贴好泡棉的散热板202的托盘上。在电池框工作站2023，机械手抓取1个电池框404并准确堆叠于装载了贴好泡棉的散热板402的托盘上；
D输送线2004和C输送线2003将转运托盘继续往前输送；
S203、在电池工作站2024中，设置2个电池处理装置，对电池进行开路电压内阻检测，外观检测，极耳裁切，极性检测等等工步，设置2个机械手，2个机械手分别将处理合格的电池203抓取并准确堆叠于D输送线2004中托盘的电池框204，组成B型模块20；以及将处理合格的电池403抓取并准确堆叠于C输送线2003中托盘的电池框404，组成D型模块40；
S204、堆叠机械手2025抓取D输送线2004上的B型模块20，并将其堆叠于C输送线2003上的D型模块40上，组成F型模块60；C输送线2003将F型模块60往前输送，在双并电池模块焊接工作站2027，一个机械手将F型2并模块60抓取并放置在焊接装置中，模块负极601、模块正极602都被焊接，焊接完成后，另一个机械手将F型2并模块60抓取并重新放置在C输送线2003上。
S205、堆叠机械手2028将焊接完成的F型模块60抓取并放置在E输送线2005的托盘上。
步骤S300中双并24串模组组装包括：
S301、E输送线2005将装载了E型模块50、F型模块60的托盘向前输送，并分流至具有相同功能的模组成组工作站2019和模组成组工作站2029；
S302、模组成组工作站2019和模组成组工作站2029中均设置了堆叠机械手，堆叠机械手依次抓取E型模块50、F型模块60，并堆叠成具有24个双并的电池模组；
S303、采用连接片901将12个E型模块50、12个F型模块60交错串联，形成一个双并24串模组90，同时总正极902和总负极903可以作为外部输出电极。
实施例2：
本实施例中，如图22所示，三并20串电池模组100指的是由10个G型模块70和10个H型模块80通过19个连接片1001所装配成组的电池模组。其中三并20串模组100两端分别是总正极1002和总负极1003。
如图23所示，使用上述的电池模组成组的系统进行装配时，包括：
S400、G型模块70的组装；
S500、H型模块80的组装；
S600、三并20串电池模组的组装。
上述的S400和S500可以通过如图2c所示实例中的S31至S34来完成，而S600则可以看作是如图2c所示实例中的S35和S36。
具体的，上述步骤中的S400具体包括：
S401、A输送线2001将A型模块10往前输送，在单并电池模块焊接工作站2016，一个机械手将A型模块10抓取并放置在焊接装置中，A型正极105、A型负极106都被焊接，焊接完成后，另一个机械手将A型模块10抓取并重新放置在A输送线2001上；
S402、堆叠机械手2018将焊接完成的E型模块50抓取并放置在E输送线2005的托盘上，然后堆叠机械手2018再将焊接完成的A型模块10抓取并堆叠在该E型模块50，组成G型模块70。具体的E型模块50的组装过程与实施例1中相同，此处不再赘述。
与上述步骤中的S400相类似，步骤S500包括：
S501、D输送线2004将B型模块20往前输送，在单并电池模块焊接工作站2026，一个机械手将B型模块20抓取并放置在焊接装置中，B型正极206、B型负极205都被焊接，焊接完成后，另一个机械手将B型模块20抓取并重新放置在D输送线2004上；
S502、堆叠机械手2028将焊接完成的F型模块60抓取并放置在E输送线2005的托盘上，然后堆叠机械手2028再将焊接完成的B型模块20抓取并堆叠于该F型模块60，组成H型模块80。具体的F型模块60的组装过程与实施例1中相同，此处不再赘述。
更为进一步的，本实施例中的步骤S600包括：
S601、E输送线2005将装载了G型模块70、H型模块80的托盘向前输送，并分流至具有相同功能的模组成组工作站2019和模组成组工作站2029；
S602、模组成组工作站2019和模组成组工作站2029中均设置了堆叠机械手，堆叠机械手依次抓取G型模块70、H型模块80，并堆叠成具有20个三并的电池模组。
S603、采用连接片1001将10个G型模块70、10个H型模块80交错串联，形成一个三并20串模组100，同时总正极1002和总负极1003可以作为外部输出电极。
以上仅举出具体实施例说明具有双并和三并的多串模组的成组方式，其他类型的串并联关系可通过变换电池模组成组结构和成组流程达成。例如单并10串模组，可以通过5个A型模块10和5个B型模块20成组达成。再例如四并11串，可通过10个E型模块50和12个F型模块60成组达成，即，10个E型模块50和10个F型模块60组成10组四并、另外2个F型模块60组成1组四并。
因此，电池模组成组的任何串联个数或者并联个数的数值变化，都可以通过本方法实现。
上文所列出的一系列的详细说明仅仅是针对本申请的可行性实施方式的具体说明，而并非用以限制本申请的保护范围，凡未脱离本申请技艺精神所作的等效实施方案或变更，如特征的组合、分割或重复，均应包含在本申请的保护范围之内。

Claims (18)

  1. 一种电池模组的成组方法，其特征在于，该成组方法包括：
    在单体工作站将软包电池装配为单体模块化电池封装；
    根据预先设定的电池模组的串并联配置，从单体工作站输送相应数量的单体模块化电池封装至并联工作站；
    在并联工作站利用单体模块化电池封装装配形成并联模块化电池封装；
    根据预先设定的电池模组的串并联配置，从单体工作站输送相应数量的单体模块化电池封装、和/或从并联工作站输送相应数量的并联模块化电池封装至成组工作站；
    在成组工作站利用单体模块化电池封装和/或并联模块化电池封装装配形成满足预定串并联配置的电池模组。
  2. 根据权利要求1所述的成组方法，其特征在于，利用单体模块化电池封装装配形成并联模块化电池封装包括：
    将单体模块化电池封装成对地组合装配为双并模块化电池封装。
  3. 根据权利要求2所述的成组方法，其特征在于，利用单体模块化电池封装装配形成并联模块化电池封装进一步包括：
    将单体模块化电池封装与双并模块化电池封装组合装配为三并模块化电池封装。
  4. 根据权利要求3所述的成组方法，其特征在于，并联工作站包括用于装配双并模块化电池封装的首级并联工作站、以及用于装配三并模块化电池封装的次级并联工作站。
  5. 根据权利要求4所述的成组方法，其特征在于，
    至少两个单体工作站的单体模块化电池封装并行地向一个首级并联工作站汇聚输送，用以装配第一双并封装和第二双并封装中的至少一类双并模块化电池；和/或
    至少一个单体工作站的单体模块化电池封装和至少一个首级并联工作站的双并模块化电池封装向一个次级并联工作站汇聚输送，用以装配第一三并封装和第二三并封装中的至少一类三并模块化电池封装。
  6. 根据权利要求3所述的成组方法，其特征在于，单体模块化电池封装包括第一单体封装、第二单体封装、第三单体封装以及第四单体封装；
    其中，相比于第一单体封装和第二单体封装的封装结构，第三封装和第四封装的封装结构进一步包括极耳垫块；
    并且，第一单体封装和第二单体封装的正负极布置方向相反，第三单体封装和第四单体封装的正负极布置方向相反。
  7. 根据权利要求6所述的成组方法，其特征在于，双并模块化电池封装包括由第一单体封装和第三单体封装组成的第一双并封装、以及由第二单体封装和第四单体封装组成的 第二双并封装。
  8. 根据权利要求7所述的成组方法，其特征在于，三并模块化电池封装包括由第一单体封装和第一双并封装组成的第一三并封装、以及由第二单体封装和第二双并封装组成的第二三并封装。
  9. 根据权利要求8所述的成组方法，其特征在于，第一单体封装、第二单体封装、第三单体封装以及第四单体封装中的至少两类单体模块化电池封装利用多个单体工作站并行装配。
  10. 一种用于电池模组成组的系统，其特征在于，该系统包括两两一组并排布置的多条传送带、沿每组传送带的传送方向依次布置的单体工作站和并联工作站、以及布置在两组传送带后端的成组工作站，其中：单体工作站、并联工作站以及成组工作站根据如权利要求1至9中任一项所述的成组方法协同工作；其中
    单体工作站用于将软包电池装配为单体模块化电池封装，并联工作站用于利用单体模块化电池封装装配形成并联模块化电池封装，成组工作站用于利用单体模块化电池封装和/或并联模块化电池封装装配形成电池模组，所述传送带用于从单体工作站输送单体模块化电池封装至并联工作站、从单体工作站输送单体模块化电池封装、和/或从并联工作站输送并联模块化电池封装至成组工作站。
  11. 根据权利要求10所述的系统，其特征在于，多条所述传送带两两一组并排布置，所述单体工作站和所述并联工作站沿每组传送带的传送方向依次布置。
  12. 根据权利要求10所述的系统，其特征在于，所述并联工作站包括用于装配双并模块化电池封装的首级并联工作站、以及用于装配三并模块化电池封装的次级并联工作站。
  13. 根据权利要求10所述的系统，其特征在于，所述单体工作站包括位于所述传送带沿线并且依次排列的：
    用于将散热片和泡棉散进行堆叠的散热片泡棉工作台；
    用于将电池框与散热片和泡棉进行堆叠的第一电池框工作台；和
    用于将电池与散热片、泡棉和电池框堆叠为单体模块化电池封装的电池工作台。
  14. 根据权利要求13所述的系统，其特征在于，所述单体工作站还包括位于第一电池框工作台和电池工作台之间的第二电池框工作台；
    所述第二电池框工作台用于将电池框与散热片和泡棉进行堆叠。
  15. 根据权利要求13或14所述的系统，其特征在于，所述单体工作站还包括用于将单体模块化电池封装进行焊接处理单的电池模块焊接工作台。
  16. 根据权利要求12所述的系统，其特征在于，所述首级并联工作站包括用于堆叠电池封装的堆叠机械手和用于将堆叠后的电池封装进行焊接处理的双并电池模块焊接工作 台。
  17. 根据权利要求12所述的系统，其特征在于，所述次级并联工作站包括：
    用于将单体模块化电池封装或双并模块化电池封装进行堆叠的堆叠机械手，和
    用于将堆叠后的单体模块化电池封装或双并模块化电池封装输送至成组工作站的传输带。
  18. 根据权利要求17所述的系统，其特征在于，所述传输带位于并排布置的多条所述传送带与所述成组工作站之间；
    所述成组工作站设置于所述传输带沿线。
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Citations (3)

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Publication number Priority date Publication date Assignee Title
US4957829A (en) * 1989-06-26 1990-09-18 At&T Bell Laboratories Modular battery plant system assembly comprising multiple unit cell modules
KR20120074415A (ko) * 2010-12-28 2012-07-06 주식회사 엘지화학 신규한 구조의 단위모듈 및 이를 포함하는 전지모듈
CN105742685A (zh) * 2016-03-02 2016-07-06 合肥国轩高科动力能源有限公司 一种方形电池模组的成组方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4957829A (en) * 1989-06-26 1990-09-18 At&T Bell Laboratories Modular battery plant system assembly comprising multiple unit cell modules
KR20120074415A (ko) * 2010-12-28 2012-07-06 주식회사 엘지화학 신규한 구조의 단위모듈 및 이를 포함하는 전지모듈
CN105742685A (zh) * 2016-03-02 2016-07-06 合肥国轩高科动力能源有限公司 一种方形电池模组的成组方法

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