DE102011011698A1 - Device for protecting high voltage battery in e.g. electric car during collision of vehicle, has structural elements arranged at high voltage battery, and high voltage battery shifted out from held position and/or from collision region - Google Patents

Device for protecting high voltage battery in e.g. electric car during collision of vehicle, has structural elements arranged at high voltage battery, and high voltage battery shifted out from held position and/or from collision region Download PDF

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Publication number
DE102011011698A1
DE102011011698A1 DE102011011698A DE102011011698A DE102011011698A1 DE 102011011698 A1 DE102011011698 A1 DE 102011011698A1 DE 102011011698 A DE102011011698 A DE 102011011698A DE 102011011698 A DE102011011698 A DE 102011011698A DE 102011011698 A1 DE102011011698 A1 DE 102011011698A1
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Prior art keywords
voltage battery
high voltage
vehicle
collision
structural elements
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DE102011011698A
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German (de)
Inventor
Michael Mückner
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Mercedes Benz Group AG
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Daimler AG
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    • 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The device has inflatable structural elements (4) i.e. airbags, arranged at a high voltage battery (1) such that the inflatable structural element is firmly bonded and secured at a side surface of the high voltage battery. The high voltage battery is shifted out from a held position during collision of the vehicle and/or from a collision region. The structural element rests against a vehicle part (3), and a housing (2) of the high voltage battery is enlarged according to movement of the vehicle part and/or the high voltage battery.

Description

Die Erfindung betrifft eine Vorrichtung zum Schutz einer Hochvoltbatterie in einem Fahrzeug während einer Kollision des Fahrzeugs.The invention relates to a device for protecting a high-voltage battery in a vehicle during a collision of the vehicle.

Es ist bekannt, dass als Schutzmaßnahmen für eine Hochvoltbatterie in einem Fahrzeug im Kollisionsfall Verstärkungselemente, wie beispielsweise Streben und/oder vergleichsweise dicke Bleche in unmittelbarer Umgebung der Hochvoltbatterie angeordnet sind. Die Schutzmaßnahmen sollen einem Verrutschen und/oder einer Deformation der Hochvoltbatterie im Kollisionsfall des Fahrzeugs entgegenwirken.It is known that as protective measures for a high-voltage battery in a vehicle in case of collision reinforcing elements, such as struts and / or comparatively thick sheets are arranged in the immediate vicinity of the high-voltage battery. The protective measures are intended to counteract slippage and / or deformation of the high-voltage battery in the event of a collision of the vehicle.

Der Erfindung liegt die Aufgabe zugrunde, eine verbesserte Vorrichtung zum Schutz einer Hochvoltbatterie in einem Fahrzeug während einer Kollision des Fahrzeugs anzugeben.The invention has for its object to provide an improved device for protecting a high-voltage battery in a vehicle during a collision of the vehicle.

Die Aufgabe wird erfindungsgemäß durch die im Anspruch 1 angegebenen Merkmale gelöst. Vorteilhafte Weiterbildungen der Erfindung sind Gegenstand der Unteransprüche.The object is achieved by the features specified in claim 1. Advantageous developments of the invention are the subject of the dependent claims.

Bei einer erfindungsgemäßen Vorrichtung zum Schutz einer Hochvoltbatterie in einem Fahrzeug während einer Kollision des Fahrzeugs sind an der Hochvoltbatterie aufblasbare Strukturelemente angeordnet, mittels denen die Hochvoltbatterie im Kollisionsfall des Fahrzeugs in ihrer Position gehalten und/oder aus einem Kollisionsbereich herausschiebbar ist.In a device according to the invention for protecting a high-voltage battery in a vehicle during a collision of the vehicle inflatable structural elements are arranged on the high-voltage battery, by means of which the high-voltage battery in the event of a collision of the vehicle held in position and / or can be pushed out of a collision area.

Mittels der erfindungsgemäßen Vorrichtung ist in besonders vorteilhafter Weise ein Schutz der Hochvoltbatterie verbessert. Insbesondere sind eine Deformation oder eine Zerstörung der Hochvoltbatterie bei einer Kollision des Fahrzeugs und ein mögliches daraus resultierendes ungeschütztes Offenliegen von Hochvoltkontakten sicher vermieden. Solche ungeschützten Hochvoltkontakte können beispielsweise zu Funkenbildungen und/oder Stromschlägen führen und eine große Verletzungsgefahr für die Fahrzeuginsassen und/oder die Rettungskräfte darstellen.By means of the device according to the invention, a protection of the high-voltage battery is improved in a particularly advantageous manner. In particular, a deformation or destruction of the high-voltage battery in a collision of the vehicle and a possible resulting unprotected disclosure of high-voltage contacts are safely avoided. Such unprotected high-voltage contacts, for example, lead to sparking and / or electric shocks and pose a major risk of injury to the vehicle occupants and / or rescue workers.

Darüber hinaus kann mittels dieser Lösung ein Aufwand zur Erstellung und zur Anordnung von aus dem Stand der Technik bekannten Verstärkungselementen zum Schutz der Hochvoltbatterie entfallen.In addition, by means of this solution, a cost for the creation and arrangement of known from the prior art reinforcing elements to protect the high-voltage battery omitted.

Weiterhin ist mittels der aufblasbaren Strukturelemente zum Schutz der Hochvoltbatterie im Vergleich zu den Verstärkungselementen ein Gewicht des Fahrzeugs verringert, wodurch im Betrieb des Fahrzeugs ein Kraftstoffverbrauch und somit auch ein CO2-Ausstoß reduzierbar sind.Furthermore, a weight of the vehicle is reduced by means of the inflatable structural elements for the protection of the high-voltage battery compared to the reinforcing elements, whereby fuel consumption and thus also a CO 2 emission can be reduced during operation of the vehicle.

Ausführungsbeispiele der Erfindung werden im Folgenden anhand einer Zeichnung näher erläutert.Embodiments of the invention will be explained in more detail below with reference to a drawing.

Dabei zeigt die:It shows:

1 schematisch eine Vorrichtung zum Schutz einer Hochvoltbatterie in einem Fahrzeug während einer Kollision des Fahrzeugs. 1 schematically a device for protecting a high-voltage battery in a vehicle during a collision of the vehicle.

In der einzigen Figur ist ein vergrößerter Ausschnitt eines Bauraumes B einer Hochvoltbatterie 1 in einem nicht näher dargestellten Fahrzeug dargestellt. Die Hochvoltbatterie 1 ist in einem Gehäuse 2, mittels welchem die Hochvoltbatterie 1 beispielsweise vor äußeren Einflüssen geschützt ist, angeordnet.In the single figure is an enlarged section of a space B of a high-voltage battery 1 shown in a vehicle, not shown. The high-voltage battery 1 is in a housing 2 , by means of which the high-voltage battery 1 For example, is protected from external influences arranged.

Bei dem Fahrzeug handelt es sich um ein Elektrofahrzeug, ein Hybridfahrzeug oder ein mit Brennstoffzellen betriebenes Fahrzeug, bei welchen mittels der Hochvoltbatterie 1 gespeicherte elektrische Energie in Bewegungsenergie umgewandelt wird und das Fahrzeug somit angetrieben wird.The vehicle is an electric vehicle, a hybrid vehicle or a vehicle powered by fuel cells, in which by means of the high-voltage battery 1 stored electrical energy is converted into kinetic energy and the vehicle is thus driven.

Die Hochvoltbatterie 1 sowie deren Gehäuse 2 sind kastenförmig ausgebildet, wobei sich der Bauraum B der Hochvoltbatterie 1 beispielsweise im Bereich des Unterbodens des Fahrzeugs befindet.The high-voltage battery 1 as well as their housing 2 are box-shaped, with the space B of the high-voltage battery 1 For example, located in the area of the underbody of the vehicle.

Um zu vermeiden, dass die Hochvoltbatterie 1 im Kollisionsfall des Fahrzeugs mechanischen Beanspruchungen ausgesetzt ist, durch Kollisionen mit Fahrzeugteilen 3 deformiert wird und somit beispielsweise ein Kurzschluss innerhalb der Hochvoltbatterie 1 auftritt und/oder thermische Ereignisse auftreten, wird eine Vorrichtung zum Schutz der Hochvoltbatterie 1 im Kollisionsfall vorgeschlagen.To avoid the high-voltage battery 1 In case of collision of the vehicle is exposed to mechanical stress, by collisions with vehicle parts 3 is deformed and thus, for example, a short circuit within the high-voltage battery 1 occurs and / or thermal events occur is a device for the protection of the high-voltage battery 1 proposed in the event of a collision.

Die Vorrichtung zum Schutz der Hochvoltbatterie 1 umfasst aufblasbare Strukturelemente 4, welche als Airbag ausgeführt sind.The device for protecting the high-voltage battery 1 includes inflatable structural elements 4 , which are designed as airbags.

Die Strukturelemente 4 sind derart an Seitenflächen der Hochvoltbatterie 1 angeordnet, dass die Strukturelemente 4 im ausgelösten Zustand, d. h. im aufgeblasenen Zustand die Hochvoltbatterie 1 in ihrer Position halten und die Hochvoltbatterie 1 zumindest gedämpft an die Fahrzeugteile 3 prallt. Alternativ ist die Hochvoltbatterie 1 mittels der aufgeblasenen Strukturelemente 4 aus einem Kollisionsbereich herausschiebbar.The structural elements 4 are so on side surfaces of the high-voltage battery 1 arranged that the structural elements 4 in the tripped state, ie in the inflated state, the high-voltage battery 1 hold in their position and the high-voltage battery 1 at least muffled to the vehicle parts 3 rebounds. Alternatively, the high-voltage battery 1 by means of the inflated structural elements 4 can be pushed out of a collision area.

Hierzu werden die Strukturelemente 4 aufgeblasen, wenn von am Fahrzeug angeordneten Erfassungseinheiten eine Kollision des Fahrzeugs detektiert wird.For this purpose, the structural elements 4 inflated when collision of the vehicle is detected by detection units arranged on the vehicle.

Die aufgeblasenen Strukturelemente 4 können Abmessungen hinsichtlich ihrer Längsausdehnung aufweisen, die weitgehend den Abmessungen der Längsausdehnung der jeweiligen Seitenfläche der Hochvoltbatterie 1 entsprechen.The inflated structural elements 4 may have dimensions in terms of their longitudinal extent, which are largely the dimensions of the longitudinal extent of the respective side surface of the high-voltage battery 1 correspond.

Zusätzlich können auch auf einem Deckel, d. h. einer Oberseite des Gehäuses 2 aufblasbare Strukturelemente 4 angeordnet sein.In addition, also on a lid, ie a top of the housing 2 inflatable structural elements 4 be arranged.

Vorzugsweise sind die aufblasbaren Strukturelemente 4 an den Seitenflächen der Hochvoltbatterie 1 angeordnet, in deren Nähe sich Fahrzeugteile 3 befinden, mit denen die Hochvoltbatterie 1 im Kollisionsfall des Fahrzeugs kollidieren könnte. Dazu sind die aufblasbaren Strukturelemente 4 zumindest abschnittsweise stoffschlüssig an den Seitenflächen der Hochvoltbatterie 1 befestigt, um eine optimale Entfaltung der Strukturelemente 4 im Kollisionsfall des Fahrzeugs sicherzustellen.Preferably, the inflatable structural elements 4 on the side surfaces of the high-voltage battery 1 arranged, in the vicinity of vehicle parts 3 located with which the high-voltage battery 1 could collide in the collision case of the vehicle. These are the inflatable structural elements 4 at least partially cohesively on the side surfaces of the high-voltage battery 1 attached to optimal deployment of the structural elements 4 in case of collision of the vehicle.

Zusätzlich oder alternativ können die aufblasbaren Strukturelemente 4 an den Fahrzeugteilen 3, die sich im Bereich der Hochvoltbatterie 1 befinden, stoffschlüssig befestigt sein.Additionally or alternatively, the inflatable structural elements 4 at the vehicle parts 3 located in the area of the high-voltage battery 1 be, firmly attached.

Im unbelasteten und aufgeblasenen Zustand der Strukturelemente 4 weisen diese im Querschnitt nahezu eine Quaderform auf. Alternativ dazu können die Strukturelemente 3 auch eine andere Form aufweisen.In the unloaded and inflated state of the structural elements 4 these have almost a cuboid shape in cross section. Alternatively, the structural elements 3 also have a different shape.

Beispielsweise können die aufblasbaren Strukturelemente 4 auch eine Kissenform aufweisen, die sich vollständig über die Längsausdehnung der Seitenflächen des Gehäuses 2 der Hochvoltbatterie 1 erstreckt.For example, the inflatable structural elements 4 also have a cushion shape that extends completely over the longitudinal extent of the side surfaces of the housing 2 the high-voltage battery 1 extends.

Denkbar ist auch, dass die aufblasbaren Strukturelemente 4 Formen aufweisen, die sich nicht vollständig über die Längsausdehnung der Seitenflächen des Gehäuses 2 erstreckt.It is also conceivable that the inflatable structural elements 4 Have shapes that are not completely over the longitudinal extent of the side surfaces of the housing 2 extends.

Dadurch, dass die Strukturelemente 4 aufblasbar sind, passt sich eine Form der Strukturelemente 4 im aufgeblasenen Zustand der Kontur des Gehäuses 2 und der Fahrzeugteile 3 an, so dass die Fläche, mit der das Strukturelement 4 an dem Fahrzeugteil 3 und dem Gehäuse 2 der Hochvoltbatterie 1 im Kollisionsfall anliegt, entsprechend der Bewegung des Fahrzeugteiles 3 und/oder der Hochvoltbatterie 1 vergrößert wird. D. h., wird die Hochvoltbatterie 1 aufgrund wirkender Kollisionskräfte gegen Fahrzeugteile 3 bewegt, vergrößert sich die Auflagefläche des aufgeblasenen Strukturelementes 4, so dass einer Deformierung der Hochvoltbatterie 1 effizient entgegen gewirkt ist.Because of the structural elements 4 are inflatable, a shape of the structural elements adapts 4 in the inflated state of the contour of the housing 2 and the vehicle parts 3 so that the surface with which the structural element 4 on the vehicle part 3 and the housing 2 the high-voltage battery 1 in case of collision, according to the movement of the vehicle part 3 and / or the high-voltage battery 1 is enlarged. That is, the high-voltage battery 1 due to acting collision forces against vehicle parts 3 moves, the bearing surface of the inflated structural element increases 4 , so that deformation of the high-voltage battery 1 efficiently counteracted.

Ist die Hochvoltbatterie 1 nicht in einem Gehäuse 2 angeordnet, können die aufblasbaren Strukturelemente 4 zum Schutz der Hochvoltbatterie 1 im Kollisionsfall des Fahrzeugs unmittelbar an der Hochvoltbatterie befestigt sein.Is the high-voltage battery 1 not in a housing 2 arranged, the inflatable structural elements 4 to protect the high-voltage battery 1 be attached directly to the high-voltage battery in the event of a collision of the vehicle.

Claims (5)

Vorrichtung zum Schutz einer Hochvoltbatterie (1) in einem Fahrzeug während einer Kollision des Fahrzeugs, dadurch gekennzeichnet, dass an der Hochvoltbatterie (1) aufblasbare Strukturelemente (4) angeordnet sind, mittels denen die Hochvoltbatterie (1) im Kollisionsfall des Fahrzeugs in ihrer Position gehalten und/oder aus einem Kollisionsbereich herausschiebbar ist.Device for protecting a high-voltage battery ( 1 ) in a vehicle during a collision of the vehicle, characterized in that on the high-voltage battery ( 1 ) inflatable structural elements ( 4 ) are arranged, by means of which the high-voltage battery ( 1 ) is held in its position in the collision case of the vehicle and / or can be pushed out of a collision area. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass zumindest ein aufblasbares Strukturelement (4) an jeweils einer Seitenfläche der Hochvoltbatterie (1) angeordnet ist.Apparatus according to claim 1, characterized in that at least one inflatable structural element ( 4 ) on each side surface of the high-voltage battery ( 1 ) is arranged. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass das aufblasbare Strukturelement (4) zumindest abschnittsweise an der Seitenfläche der Hochvoltbatterie (1) befestigt ist.Device according to claim 2, characterized in that the inflatable structural element ( 4 ) at least in sections on the side surface of the high-voltage battery ( 1 ) is attached. Vorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass das aufblasbare Strukturelement (4) zumindest stoffschlüssig an der Seitenfläche der Hochvoltbatterie (1) befestigt ist.Device according to claim 2 or 3, characterized in that the inflatable structural element ( 4 ) at least cohesively on the side surface of the high-voltage battery ( 1 ) is attached. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Fahrzeug ein Elektrofahrzeug, ein Hybridfahrzeug oder ein mit Brennstoffzellen betriebenes Fahrzeug ist.Device according to one of the preceding claims, characterized in that the vehicle is an electric vehicle, a hybrid vehicle or a fuel cell powered vehicle.
DE102011011698A 2011-02-18 2011-02-18 Device for protecting high voltage battery in e.g. electric car during collision of vehicle, has structural elements arranged at high voltage battery, and high voltage battery shifted out from held position and/or from collision region Withdrawn DE102011011698A1 (en)

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DE102011011698A DE102011011698A1 (en) 2011-02-18 2011-02-18 Device for protecting high voltage battery in e.g. electric car during collision of vehicle, has structural elements arranged at high voltage battery, and high voltage battery shifted out from held position and/or from collision region

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US10483510B2 (en) 2017-05-16 2019-11-19 Shape Corp. Polarized battery tray for a vehicle
US10632857B2 (en) 2016-08-17 2020-04-28 Shape Corp. Battery support and protection structure for a vehicle
US10661646B2 (en) 2017-10-04 2020-05-26 Shape Corp. Battery tray floor assembly for electric vehicles
US10886513B2 (en) 2017-05-16 2021-01-05 Shape Corp. Vehicle battery tray having tub-based integration
US11088412B2 (en) 2017-09-13 2021-08-10 Shape Corp. Vehicle battery tray with tubular peripheral wall
US11155150B2 (en) 2018-03-01 2021-10-26 Shape Corp. Cooling system integrated with vehicle battery tray
US11211656B2 (en) 2017-05-16 2021-12-28 Shape Corp. Vehicle battery tray with integrated battery retention and support feature
US11214137B2 (en) 2017-01-04 2022-01-04 Shape Corp. Vehicle battery tray structure with nodal modularity
US11688910B2 (en) 2018-03-15 2023-06-27 Shape Corp. Vehicle battery tray having tub-based component

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US10632857B2 (en) 2016-08-17 2020-04-28 Shape Corp. Battery support and protection structure for a vehicle
US11660950B2 (en) 2016-08-17 2023-05-30 Shape Corp. Battery support and protection structure for a vehicle
US11273697B2 (en) 2016-08-17 2022-03-15 Shape Corp. Battery support and protection structure for a vehicle
US11214137B2 (en) 2017-01-04 2022-01-04 Shape Corp. Vehicle battery tray structure with nodal modularity
US10483510B2 (en) 2017-05-16 2019-11-19 Shape Corp. Polarized battery tray for a vehicle
US11691493B2 (en) 2017-05-16 2023-07-04 Shape Corp. Vehicle battery tray having tub-based component
US10886513B2 (en) 2017-05-16 2021-01-05 Shape Corp. Vehicle battery tray having tub-based integration
US11211656B2 (en) 2017-05-16 2021-12-28 Shape Corp. Vehicle battery tray with integrated battery retention and support feature
US11088412B2 (en) 2017-09-13 2021-08-10 Shape Corp. Vehicle battery tray with tubular peripheral wall
US11267327B2 (en) 2017-10-04 2022-03-08 Shape Corp. Battery tray floor assembly for electric vehicles
US10960748B2 (en) 2017-10-04 2021-03-30 Shape Corp. Battery tray floor assembly for electric vehicles
US10661646B2 (en) 2017-10-04 2020-05-26 Shape Corp. Battery tray floor assembly for electric vehicles
US11787278B2 (en) 2017-10-04 2023-10-17 Shape Corp. Battery tray floor assembly for electric vehicles
US11155150B2 (en) 2018-03-01 2021-10-26 Shape Corp. Cooling system integrated with vehicle battery tray
US11688910B2 (en) 2018-03-15 2023-06-27 Shape Corp. Vehicle battery tray having tub-based component

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