WO2022261364A1 - Procédés et systèmes de disposition de cellules - Google Patents

Procédés et systèmes de disposition de cellules Download PDF

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Publication number
WO2022261364A1
WO2022261364A1 PCT/US2022/032892 US2022032892W WO2022261364A1 WO 2022261364 A1 WO2022261364 A1 WO 2022261364A1 US 2022032892 W US2022032892 W US 2022032892W WO 2022261364 A1 WO2022261364 A1 WO 2022261364A1
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WO
WIPO (PCT)
Prior art keywords
battery
cells
vehicle
assembly
disposing
Prior art date
Application number
PCT/US2022/032892
Other languages
English (en)
Inventor
David MOSELY
Jacob MATLY
Original Assignee
Fisker Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fisker Inc. filed Critical Fisker Inc.
Publication of WO2022261364A1 publication Critical patent/WO2022261364A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0438—Arrangement under the floor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/01—Reducing damages in case of crash, e.g. by improving battery protection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20—Floors or bottom sub-units
    • B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
    • B62D25/2036—Floors or bottom sub-units in connection with other superstructure subunits the subunits being side panels, sills or pillars

Definitions

  • the present disclosure relates to methods and systems for disposing cells.
  • the method may include disposing an assembly of cells comprising a plurality of battery cells of a battery onto a baseplate. One or more gaps may be disposed between the plurality of battery cells, and wherein the battery assembly does not have side walls.
  • the method may include disposing bus bars, power, and/or power or coolant transmission systems being routed to lie substantially proximate to the baseplate where the gaps are disposed.
  • the method may include disposing a non-structural cover over the assembly of cells.
  • the method may include forming one or more inner surfaces of sills of the vehicle to provide longitudinal bridging structures against which the one or more channels are formed.
  • the system may include one or more hardware processors and at least one non transitory computer readable storage medium that, when executed by the one or more hardware processors, cause the one or more hardware processors to perform operations for disposing cells.
  • the operations may cause the system to dispose an assembly of cells comprising a plurality of battery cells of a battery onto a baseplate.
  • the baseplate may extend across the plurality of battery cells.
  • One or more gaps may be disposed between the plurality of battery cells, and wherein the battery assembly does not have side walls.
  • the operations may cause the system to dispose bus bars, power, and/or power or coolant transmission systems be routed to lie substantially proximate to the baseplate where the gaps are disposed.
  • the operations may cause the system to dispose a cover over the assembly of cells.
  • the cover may be non-structural.
  • the operations may cause the system to form one or more inner surfaces of sills of the vehicle to provide longitudinal bridging structures against which the one or more channels are formed.
  • the method may include disposing an assembly of cells comprising one or more cells of a battery of a vehicle onto or more cooling plates prior to assembly of the vehicle.
  • the method may include disposing lateral and longitudinal cross members and longitudinal bridging structures within a body of the vehicle.
  • the method may include disposing the cooling plates having the one or more cells disposed thereon into the body of the vehicle such that they are substantially proximate a floor of the vehicle body, the one or more cells being configured to hang down from the cooling plates, the vehicle body, or any combination thereof.
  • FIG. 1 illustrates a system configured for disposing cells.
  • FIGS. 2A-2B illustrates a method for disposing cells.
  • FIGS. 3A-3D illustrates a method for disposing cells.
  • FIGS. 4A-4B are diagrams illustrating an integrated battery configuration according to some embodiments.
  • FIG. 5 is a diagram illustrating an integrated battery configuration according to an embodiment.
  • FIG. 6 is a diagram illustrating an integrated battery configuration according to an embodiment.
  • FIG. 1 illustrates a system configured for disposing cells, in accordance with one or more embodiments.
  • system 100 may include one or more computing platforms 102.
  • the one or more remote computing platforms 102 may be communicably coupled with one or more remote platforms 104.
  • users may access the system 100 via remote platform(s) 104.
  • Computing platforms may be configured to operate one or more actuators for assembly of a vehicle or a battery assembly within a vehicle.
  • the one or more computing platforms 102 may be configured by machine- readable instructions 106.
  • Machine-readable instructions 106 may include logics.
  • the logics may be implemented as one or more of functional logic, hardware logic, electronic circuitry, software logic, and the like.
  • the logics may include a assembly disposing logic 108 and/or other logic.
  • Assembly disposing logic 108 may be configured to dispose an assembly of cells comprising a plurality of battery cells of a battery onto a baseplate.
  • one or more actuators may be used to dispose the assembly of cells.
  • the baseplate may be configured to be installed in a vehicle through the use of one or more actuators.
  • One or more gaps may be disposed between the plurality of battery cells, and wherein the battery assembly may not have side walls.
  • Assembly disposing logic 108 may be configured to dispose bus bars, power, and/or power or coolant transmission systems be routed to lie substantially proximate to the baseplate where the gaps are disposed.
  • one or more actuators can be configured to install bus bars, power, and/or power or cooling systems onto or next to the baseplate.
  • Assembly disposing logic 108 may be configured to dispose a cover over the assembly of cells.
  • the cover may be non-structural.
  • the one or more gaps may correspond to one or more channels.
  • the battery may be configured to be disposed within a vehicle.
  • An underbody of the vehicle may be configured to receive cross bars received within the one or more channels, and wherein the cross bars may be configured to be fastened to the underbody.
  • Assembly disposing logic 108 may be configured to use one or more inner surfaces of sills of the vehicle to provide longitudinal bridging structures against which the one or more cooling channels can be formed.
  • one or more actuators may be configured to install the battery assembly near or next to inner surfaces of sills to be used as structures and where cooling channels can be formed.
  • the baseplate may be bonded to the underbody to increase structural benefit. Bonding may comprise adhesively sealing and the disposition of the assembly of cells may be configured to enable servicing of electronic components comprising at least the battery.
  • Assembly disposing logic 108 may be configured to dispose the battery management unit (BMU) and/or the battery disconnect unit (BDU) in a compartment as a line replaceable unit.
  • BMU battery management unit
  • BDU battery disconnect unit
  • an actuator may be configured to install the BMU and BDU in the compartment and connect the BMU and BDU to the installed battery assembly.
  • the compartment may be separate from the battery cells.
  • the compartment may be accessible without removal of the baseplate and/or a portion of the battery assembly.
  • the one or more computing platforms 102 may be communicatively coupled to the remote platform(s) 104.
  • the communicative coupling may include communicative coupling through a networked environment 118.
  • the networked environment 118 may be a radio access network, such as LTE or 5G, a local area network (LAN), a wide area network (WAN) such as the Internet, or wireless LAN (WLAN), for example.
  • LTE Long Term Evolution
  • LAN local area network
  • WAN wide area network
  • WLAN wireless LAN
  • the one or more one or more computing platforms 102 may be configured to communicate with the networked environment 118 via wireless or wired connections.
  • the one or more computing platforms 102 may be configured to communicate directly with each other via wireless or wired connections.
  • Examples of one or more computing platforms 102 may include, but is not limited to, smartphones, wearable devices, tablets, laptop computers, desktop computers, Internet of Things (loT) device, or other mobile or stationary devices.
  • system 100 may also include one or more hosts or servers, such as the one or more remote platforms 104 connected to the networked environment 118 through wireless or wired connections.
  • remote platforms 104 may be implemented in or function as base stations (which may also be referred to as Node Bs or evolved Node Bs (eNBs)).
  • remote platforms 104 may include web servers, mail servers, application servers, etc.
  • remote platforms 104 may be standalone servers, networked servers, or an array of servers.
  • the one or more computing platforms 102 may include one or more processors 120 for processing information and executing instructions or operations.
  • One or more processors 120 may be any type of general or specific purpose processor. In some cases, multiple processors 120 may be utilized according to other embodiments.
  • the one or more processors 120 may include one or more of general- purpose computers, special purpose computers, microprocessors, digital signal processors (DSPs), field-programmable gate arrays (FPGAs), application-specific integrated circuits (ASICs), and processors based on a multi-core processor architecture, as examples.
  • the one or more processors 120 may be remote from the one or more computing platforms 102, such as disposed within a remote platform like the one or more remote platforms 120 of Fig. 1.
  • the one or more processors 120 may perform functions associated with the operation of system 100 which may include, for example, precoding of antenna gain/phase parameters, encoding and decoding of individual bits forming a communication message, formatting of information, and overall control of the one or more computing platforms 102, including processes related to management of communication resources.
  • the one or more computing platforms 102 may further include or be coupled to a memory 122 (internal or external), which may be coupled to one or more processors 120, for storing information and instructions that may be executed by one or more processors 120.
  • Memory 122 may be one or more memories and of any type suitable to the local application environment, and may be implemented using any suitable volatile or nonvolatile data storage technology such as a semiconductor-based memory device, a magnetic memory device and system, an optical memory device and system, fixed memory, and removable memory.
  • memory 122 can consist of any combination of random access memory (RAM), read only memory (ROM), static storage such as a magnetic or optical disk, hard disk drive (HDD), or any other type of non-transitory machine or computer readable media.
  • the instructions stored in memory 122 may include program instructions or computer program code that, when executed by one or more processors 120, enable the one or more computing platforms 102 to perform tasks as described herein.
  • one or more computing platforms 102 may also include or be coupled to one or more antennas for transmitting and receiving signals and/or data to and from one or more computing platforms 102.
  • the one or more antennas may be configured to communicate via, for example, a plurality of radio interfaces that may be coupled to the one or more antennas.
  • the radio interfaces may correspond to a plurality of radio access technologies including one or more of LTE, 5G, WLAN, Bluetooth, near field communication (NFC), radio frequency identifier (RFID), ultrawideband (UWB), and the like.
  • the radio interface may include components, such as filters, converters (for example, digital-to-analog converters and the like), mappers, a Fast Fourier Transform (FFT) logic, and the like, to generate symbols for a transmission via one or more downlinks and to receive symbols (for example, via an uplink).
  • filters for example, digital-to-analog converters and the like
  • mappers for example, mappers
  • FFT Fast Fourier Transform
  • Figs. 2A and 2B illustrate an example flow diagram of a method 200, according to one embodiment.
  • the method 200 and/or 210 may be carried out by system 100.
  • the method 200 may include disposing an assembly of cells comprising a plurality of battery cells of a battery onto a baseplate of a battery at block 202.
  • one or more gaps may be disposed between the plurality of battery cells.
  • the battery assembly may not have side walls.
  • the method 200 may include disposing bus bars, power, and/or power or coolant transmission systems being routed to lie substantially proximate to the baseplate with the gaps being disposed at block 204.
  • the method 200 may include disposing a non-structural cover over the assembly of cells at block 206, the one or more gaps corresponding to one or more channels, and wherein the battery may be configured to be disposed within a vehicle, and wherein an underbody of the vehicle may be configured to receive cross bars received within the one or more channels, and wherein the cross bars may be configured to be fastened to the underbody.
  • the method 200 may include forming one or more inner surfaces of sills of the vehicle to provide longitudinal bridging structures against which the one or more channels are formed at block 208.
  • the method 200 may be continued at 210, and may further include disposing the battery in a separate compartment as a line replaceable unit at block 212.
  • the method 200 may be performed by a system comprising one or more hardware processors, such as the processors 120 of Fig. 1 , configured by machine-readable instructions, such as the machine readable instructions 106 of Fig. 1 .
  • the method 200 may be configured to be implemented by the logics, such as the assembly disposing logic 108 discussed above in Fig. 1 .
  • Figs. 3A, 3B, 3C and/or 3D illustrate an example flow diagram of a method 300, according to one embodiment.
  • the method 300 may include disposing an assembly of cells comprising one or more cells of a battery of a vehicle onto or more cooling plates prior to assembly of the vehicle at block 302.
  • the method 300 may include disposing lateral and longitudinal cross members and longitudinal bridging structures within a body of the vehicle at block 304, the longitudinal bridging structures being configured to be substantially proximate an outer sill which being configured to crushed during lateral impacts of the vehicle, wherein the longitudinal bridging structures being formed as a part of an inner wall of each outer sill.
  • the method 300 may include disposing the cooling plates having the one or more cells disposed thereon into the body of the vehicle such that they are substantially proximate a floor of the vehicle body.
  • the one or more cells may be configured to hang down from the cooling plates, the vehicle body, or any combination thereof at block 306.
  • the method 300 may be continued at 308, and may further include inverting the body during assembly and placing the cooling plates and the cargo of cells into spaces defined by neighboring cross members at block 310.
  • the method 300 may be continued at 312, and may further include bonding a baseplate to the body of the vehicle at block 314.
  • the method 300 may be continued at 316, and may further include disposing the battery in a separate compartment as a line replaceable unit at block 318.
  • the method 300 may be performed by one or more hardware processors, such as the processors 122 of Fig. 1 , configured by machine- readable instructions, such as the machine-readable instructions 106 of Fig. 1 .
  • the method 300 may be configured to be implemented by the logics, such as the logics 108, 110, 112, 114, 116 and/or 118 discussed above in Fig. 1 .
  • battery cells are assembled onto the baseplate of the battery, with no side walls. Gaps between the cells form part of their array where longitudinal or lateral cross members may be found in traditional battery structures, and any bus bars or other power or coolant transmission systems are routed so as to lie close to the baseplate where these gaps are located.
  • a non-structural cover may be placed over the assembly of cells, with channels across it corresponding to the gaps in the cell groups.
  • the body-in-white or underbody of the vehicle incorporates the cross members directly, bracing to the vehicle structure. Furthermore, the inner surfaces of the vehicle sills are structured to provide the stiff longitudinal bridging structures against which the outer sill will be crushed during lateral impacts.
  • the battery system is brought up to the underside of the vehicle, the body-in-white cross members lying in the channels formed in the arrays of cells and their covers.
  • the baseplate is adhesively sealed to the underbody of the vehicle for maximum structural benefit. [036]
  • the electrical and electronic content of the battery alone may be serviceable.
  • the electrical and the electronic content can be provided in a separate compartment as a ‘line replaceable unit’.
  • line replaceable unit To implement this configuration consideration may need to be given to those regulatory expectations that deal with battery system tests as a discrete item (not installed in the vehicle). Most of these will be readily achieved with this non-structural assembly.
  • Structural members are part of the body-in-white - they will be more effective there both in contributing stiffness and crashworthiness. Because of the structure described herein, the specific energy density of the system may be significantly higher than conventional systems. Eliminating the bolted interface of the battery to the car (or, at least, augmenting it with a bonded interface) will increase the structural significance of the baseplate - although this is at the cost of potential battery serviceability
  • a concept for a non-structural fully-integrated battery is disclosed.
  • the cells of the battery are pre-assembled with one or more cooling plates and brought to the vehicle assembly line.
  • the vehicle body-in-white incorporates all the usual structures that are more customarily found in the battery housing itself: in particular, lateral and longitudinal cross members, and the stiff longitudinal bridging structures against which the outer sill will be crushed during lateral impacts, formed as part of the inner wall of each sill.
  • the cooling plates carrying the groups of cells are inserted into the body-in-white with the cooling plates close to the floor of the vehicle and the cells hanging down from them.
  • the electrical and electronic content of the battery alone may be serviceable, and may be provided in a separate compartment as a ‘line replaceable unit’.
  • line replaceable unit To implement this configuration consideration may need to be given to regulatory expectations that deal with battery system tests as a discrete item (i.e., not installed in the vehicle). Since the pack may not completed until it is mated with the vehicle, there may be some assessment of how best to demonstrate its integrity both during development and for regulatory purposes.
  • Structural members are part of the body-in-white - they will be more effective there both in contributing stiffness and crashworthiness. In view of the embodiments and benefits discussed herein, the specific energy density of the system may be significantly higher. Further, eliminating the bolted interface of the battery to the car (or, at least, augmenting it with a bonded interface) will increase the structural significance of the baseplate - although this may be at the cost of potential battery serviceability [042] The extra efficiency created by relocating the structure in this manner gives the opportunity for more cell volume to be installed, or the same cell volume in a smaller footprint.
  • Another benefit is that in the event of a thermal incident, the cells will vent away from the occupant cell, since the cells are hanging down and their conventional ‘top’ faces the battery undertray.
  • the cooling plates will form an additional layer of shielding between the battery and the occupant compartment.
  • the battery enclosure is part of the vehicle chassis, the reality is that it is an inefficient augmentation of the vehicle underbody - limited bolted attachment points weakly-coupling the battery torsional stiffness with the vehicle’s torsional stiffness. In some embodiments discussed herein, the cells would be most efficiently enclosed by the integrated structure of the vehicle underbody.
  • FIG. 4A illustrates a system for disposing cells 400.
  • the system may comprise outer sill 406, battery cells 402, cooling system 408, and inner sill 410.
  • Outer sill 406 may be configured to be crushed before a structure of inner sill 410 and/or battery cells 402 is plastically deformed or otherwise structurally comprised.
  • outer sill 406 may absorb an impact caused by an object or other vehicle colliding with a vehicle comprising system 400.
  • outer sill 406 may be formed from a honeycomb structure or a member configured to absorb energy from an impact through plastic or elastic deformation.
  • Battery cells 402 may be one cell or several individual cells collocated.
  • Cooling system 408 may contain fluid, gel, or otherwise be configured to drain heat from battery cells 402. Cooling system 408 may comprise or be connected to a baseplate such that battery cells 402 alone or with cooling system 408 may be moved in and out of a vehicle. In some embodiments, cooling system 408 may be disposed on undertray 412. Undertray 412 may be a structural component. Undertray 412 may be bonded to an underbody of the vehicle. For example, undertray 412 may be adhesively sealed to the underbody. Undertray 412 may be welded to the underbody. The underbody may comprise sheet metal and/or one or more frames or members of the vehicle. [046] In some embodiments, undertray 412 may be comprise or be connected to environmental seal 414. Environmental seal 414 may be configured to contain fluids or other discharge from battery cells 402 and/or cooling system 408.
  • inner sills 410 may be disposed on both sides of battery cells 402. Inner sills 410 may be configured to allow outer sill 406 to be crushed against it. Inner sill 410 may provide vertical support from undertray 412 to resist forces against the top of outer sill 406. Inner sill 410 may extend across an enclosure of a vehicle, such as a hood (a.k.a., bonnet), passenger compartment, underneath a passenger seat, underneath a console, or a trunk (a.k.a., boot). Inner sill 410 may be a part of or connected to a chassis or frame of a vehicle. For example, outer sill 406 may comprise a surface used as a floor 404.
  • Floor 404 may be used as part of an interior of a vehicle to support passenger weight, luggage, or similar.
  • inner sill 410 may be made from a relatively stronger material such as steel whereas outer sill 406 may be made from a relatively weaker material such as aluminum.
  • FIG. 4B illustrates a system for disposing cells 450.
  • the battery of an electric vehicle may be maintainable and accessible for service.
  • Similar indicators such as 404, 406, 408, 410, are similar in FIG. 4B as the descriptions provided above with reference to FIG. 4A. Differences are discussed below with reference to FIG. 4B.
  • System 450 may include battery cells 452 that are hanging, for example, from cooling system 408 and/or a baseplate. As shown, cooling system 408 may be above battery cells 452. The weight of cooling system 408 and battery cells 452 may be supported by one or more beams or supports (not shown) of the cooling system 408 being attached to tray 454. Battery cells 452 may be disposed between inner sills 410.
  • an environmental seal may encapsulate cooling system 408 and battery cells 452 (not shown). In some embodiments, the environmental seal, the baseplate, and/or cooling system 408 may be moved as a unit.
  • a gap may be disposed under battery cells 452 for any discharge and/or release from battery cells 452 and/or cooling system 408.
  • Fig. 5 is a diagram illustrating an integrated battery configuration according to an embodiment.
  • the battery 504 is assembled onto a baseplate with no side walls. In some cases, gaps may be across the cell array laterally and/or longitudinally.
  • a shield (not shown) may cap this structure.
  • the shield may be non-structural.
  • the shield may be made of plastic or similar.
  • the shield may be an environmental shield configured to contain one or more fluids from battery cells and/or a cooling system.
  • the vehicle may incorporate a sill inner structure 502 (e.g., such as the inner sill 410 of FIGS. 4A & 4B).
  • Inner sill structure 502 may comprise longitudinal and lateral structure to prevent impact to one or more battery cells (e.g., battery cells 402 or 452 of FIGS. 4A & 4B). Inner still structure 502 may be configured to be disposed over battery 504. Inner still structure 502 may be configured to mate against a baseplate of battery 504. Although shown as a single structure, inner still structure 502 may comprise one or more individual members that are bolted, welded, or otherwise connected. At assembly, the arrangement is brought into the floor of the vehicle and bolted and bonded to the vehicle underside. The battery management unit (BMU) and battery disconnect unit (BDU) may be contained in a Line Replaceable Unit (LRU) 506, and thus serviceable. LRU 506 may be removable without adjusting the position of battery 504 and/or inner sill structure 502 in the vehicle. In some cases, the configuration of Fig. 5 may enable the battery and vehicle to be more mass-efficient, with higher energy density.
  • BMU Battery management unit
  • BDU battery disconnect unit
  • Fig. 6 is a diagram illustrating an integrated battery configuration according to an embodiment of the disclosure.
  • Blocks of battery cells 602 may be assembled to a cooling system 604.
  • Cooling system 604 may surround battery cells 602.
  • Cooling systems 604 may comprise supports, baseplates, or members that, at assembly, may be mounted into the vehicle underbody.
  • battery cells may be upright (e.g., FIG. 4A) or hanging down (e.g., FIG. 4B).
  • supports, members, or baseplates may support the weight of the battery cells in upright or hanging down configurations.
  • Cooling system 604 may surround a battery cell 602.
  • the busbar 606 and/or cooling system 602 may be interconnected to link to busbars or cooling systems of different battery cells 602.
  • the busbar 606 and/or cooling system 602 may be below the battery cells 602.
  • the undertray 610 may be bolted and/or permanently bonded to the vehicle underbody.
  • the vehicle may incorporate an inner sill structure (e.g., an ‘anvil’ inner sill).
  • Battery cells 602 may be operatively connected to a battery management unit (BMU) and a battery disconnect unit (BDU). At least one of the BMU and BDU may be contained in a Line Replaceable Unit (LRU) 612.
  • BMU battery management unit
  • BDU battery disconnect unit
  • LRU Line Replaceable Unit
  • LRU 612 may be removable and accessible separate from battery cells 602 and/or configured to allow service.
  • the battery and vehicle may be more mass-efficient, with higher energy density.
  • the system may also be appreciably safer, since the battery cells 602 vent downwards, away from the occupants.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

Sont divulgués des procédés et des systèmes de disposition de cellules. Certains modes de réalisation peuvent consister : à disposer un ensemble de cellules comprenant une pluralité de cellules de batterie d'une batterie sur une plaque de base d'une batterie, à disposer des barres omnibus, des systèmes d'énergie et/ou de transmission d'énergie ou de refroidissement étant acheminés de façon à se trouver sensiblement à proximité de la plaque de base, les espaces étant disposés, à disposer un revêtement non structural sur l'ensemble de cellules et à former une ou plusieurs surfaces internes de silences du véhicule pour fournir des structures de pontage longitudinales contre lesquelles un ou plusieurs canaux sont formés.
PCT/US2022/032892 2021-06-09 2022-06-09 Procédés et systèmes de disposition de cellules WO2022261364A1 (fr)

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US202163208790P 2021-06-09 2021-06-09
US63/208,790 2021-06-09

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