小米SU7技術解析：如何全面重塑電動轎車新標桿-2024-12-新勢力

“TheXiaomiSU7”

InformationcompiledbyanpmanagementconsultingGmbH,Essen,GermanyMarch2024

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TheXiaomiSU7

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Performance

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TheXiaomiSU7

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FiveCoreSelf-DevelopedCoreTechnologies

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Introduction

Xiaomiaimstoredefinethetechnologyoftheautomotiveindustry.

Positionedasa"full-sizehigh-performanceeco-technologysedan,"XiaomiSU7(SU=SpeedUltra)aimstopushthelimitsofperformance,ecosystem,andmobilesmartspace.

LeiJun,thefounder,chairman,andCEOofXiaomi,highlightedthatXiaomi'sventureintothecarindustryrepresentsamajorshiftawayfromitssmartphonerootsandanessentialmovetowardsintegratingthesmartecosystemencompassinghumans,cars,andhomes.

Heemphasizedthechallengesofenteringthewell-establishedautomotivesector,notingitslimitedflexibilityfornewcomers:Bydedicating15to20yearstothisendeavor,Xiaomiaspirestorankamongthetopfivecarmanufacturersworldwide.“

XiaomiEVhasinvestedover10billionCNYintheinitialresearchanddevelopmentphase.

TheR&Dteamcomprisesover3,400engineersandoverathousandtechnicalexpertsincriticaldomainsbothinChinaandabroad.

Atthepresentation,XiaomiSU7wascomparedwithTeslaModel3Performanceintermsofbatterylifeatsub-zerotemperaturesandchargingspeed.TheXiaomimachinelooksbetterthanitscompetitorinallrespects,thecompanysays.

SuppliersfocusingontheluxurycarmarketsaidXiaomididnotapproachtheso-calledluxurycarsupplychain,eventhoughthecompanysaidittargetsthesegment.

AsChinastrivestofosterlocalsupplychains,Xiaomiwilllikelyworkprimarilywithdomesticsuppliers.

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Launchandpricing

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XiaomihasintroduceditselectricvehicleinChina,withthestartingpricesetat27,600EUR.

Launchandavailability

?FoundersEdition:Limitedto5,000units,identicalpricingtostandardandMaxeditions,withdeliveriescommencingonApril3.

?StandardandMaxEditions:DeliveriesstartattheendofApril.

?ProVariant:DeliveriescommenceattheendofMay.

?XiaomiSU7had576testvehiclesrunningin300cities,withatotalroadtestmileageof5.4millionkilometers.

Pricingandmodelvariants

?ThestandardvariantoftheSU7ispricedat215,900yuan,offeringacompetitiveentrypointintotheelectricvehiclemarket.

?Forthoseseekingenhancedperformanceandfeatures,theSU7Proisavailableat245,900yuan,aligningitsstartingpricewiththatoftheentry-levelTeslaModel3inChina.

?Atthehigherendoftherange,theSU7Maxstartsat299,900yuan,reflectingitsadvanceddual-motor,all-wheel-driveconfigurationandsuperiorbatterycapacity.

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ModelOverview

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TheXiaomiSU7isavailableinthreedistinctmodels…

Model

Price(RMB)

Motor

Configuration

Battery&Range

Acceleration(0-100km/h)

TopSpeed

NotableFeatures

SU7

215,900

Single-motor,RWD

73.6kWh,700km

5.28seconds

210km/h

BYDbladebattery,2,000MPabodystiffness,51,000Nm/degtorsionalstiffness

SU7Pro

245,900

Single-motor,RWD

94.3kWh,830km

-

-

CATLShenxingBattery,matchesentry-levelTeslaModel3price

SU7Max

299,900

Dual-motor,AWD

101kWh,810km

2.78seconds

265km/h

CATLQilinBattery,originallyplannedat350,000RMB

XiaomiSU7StandardVariant:Pricedat215,900yuan,thismodelcomeswithasingle-motor,rear-wheeldrivesetup.

It'spoweredbya73.6kWhBYDbladebatterybasedonlithiumironphosphate,offeringarangeof700kilometers.

Thisvariantiscapableofacceleratingfrom0to100km/hin5.28secondsandcanreachatopspeedof210km/h.It'snotableforitshighbodyandtorsionalstiffness,measuredat2,000MPaand51,000Nm/deg,respectively.

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ModelOverview

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…eachwithitsownpricingstructure.

XiaomiSU7Pro:Withastartingpriceof245,900yuan,theProvariantisalsoasingle-motor,rear-wheeldrivemodel.Itutilizesa94.3kWhCATLShenxingbattery,achievingalongerrangeof830kilometers.

Thepricingmatchesthatoftheentry-levelTeslaModel3inChina,positioningitasastrongcompetitorinthemarket.

XiaomiSU7Max:Themostpremiumoption,theSU7Max,beginsat299,900yuan.

Thismodelboastsadual-motor,four-wheeldrivesystemandisequippedwitha101kWhCATLQilinbattery,enablinganimpressiverangeof810kilometers.

Itstandsoutforitsrapidacceleration,goingfrom0to100km/hinjust2.78seconds,andamaximumspeedof265km/h.Initiallyplannedat350,000yuan,itscurrentpriceofferssignificantvalue.

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E-Motor

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Ataconference,Xiaomiintroduceditsself-madeE-motors:

HyperEngineV6/V6sandV8s,featuringadvancedtechnologieslikeBidirectionalFullOilCooling,S-shapedoilcircuits,andstaggeredsiliconsteeldesigns,rivalingtraditionalV8/V6engines.

TheV8s,achievingarecord27,200rpm,425kW,and635N·mtorque,usesultrahigh-strengthsiliconsteel(960MPa)foratwo-foldstrengthincreaseoverstandardofferings.

Itscoolingsystemdoublesthestator'sheatdissipationareaand

enhancesrotorcoolingby50%,withstatorlaminationsfurtherimprovingdissipationby7%.

Setfor2025massproductioninXiaomiEVs,theV6/V6smotorsleadwitha21,000rpmspeed,withtheV6offering299PS/400N·mandtheV6s374PS/500N·m,settingnewindustrystandards.

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CTBBattery

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SU7CTB(CelltoBody)BatteryTechnology

XiaomidevelopedCTBIntegratedBatteryTechnology,featuringInvertedCellTechnology,amultifunctionalelasticinterlayer,andstreamlinedwiring,achievinga77.8%integrationefficiency—world-leadingforCTBbatteries.Thisresultsina24.4%performanceboostand17mmheightreduction,withcapacitiesupto150kWhandover1200kmCLTCrange.

Forsafety,Xiaomiemploysapressurereliefvalveanda14-layerprotectionsystemforsuperiorcabinsafety.Itsheatdissipationusesdual-

sidewatercoolingwith7.8m2coolingarea,fourtimesaboveaverage,

。

and165aerogelinsulationpiecesresistantto1000C.

Xiaomi'sEVsincludeatop-tierBatteryManagementSystem(BMS)withASIL-Dsafetylevel,featuringthreethermalrunawaymonitorsandcontinuousearlywarningsystems.Eachbatteryundergoesover1050safetychecksand96timesthetypicaldurabilitytesting,ensuringunmatchedreliabilityandsafetystandards.

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CTBBattery

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SU7CTB(CelltoBody)BatteryTechnology

Thebatterysystemisequippedwith17layersofinsulationprotectionforenhancedsecurity.

Thesideofthebatterycellincorporates165partsofaerogelinsulationmaterial.

Componentssuchasenclosuresandbeamsaremanufacturedusingthermoformedsteel,high-strengthsteel,andothermaterials.

Real-timemonitoringofthebattery'sconditionisachievedthroughtheCar-CloudCooperationNetwork,whichperforms800detectionspersecond.

Inemergencies,thebatterycanbedisconnectedinjust4milliseconds.

Inverted-Celltechnologyallowsenergytobedischargeddownwardsinextremesituations,increasingcabinsafety.

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ModernHypercasting/Die-CastingTechnology

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XiaomiintroduceditsXiaomiHyperDie-CastingT9100,anditsownalloy,XiaomiTitansMetal.

Xiaomiisthesoledomesticcarmakertoself-developbothdie-castingprocessesandmaterials.

ThetwpT9100die-castingmachines,madebyHaitian(accordingtounofficialsources)span840m2,weigh1050t,andexerta9100tlockingforce.

Theirqualityjudgmentsysteminspectspartsin2seconds,increasingefficiencytenfoldovermanualchecks.

Thisinnovationmerges72carpartsintoone,cutting840welds,loweringcarweightby17%,andreducingproductiontimeby45%.

XiaomiTitansMetal,chosenfromover10.16millionalloyformulasviaa"Multi-MaterialPerformanceSimulationSystem,"optimizesstrength,resilience,andstability.

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ModernHypercasting/Die-CastingTechnology

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Xiaomipurchasedtwo9,100tonsGigaPresses,madebyHaitian(acc.tounofficialsources).

Xiaomi'scommitmentextendsacrossthedie-castingchain,focusingonqualityandinnovationbeyondjustclampingpressuretonnage.

TheTitansMetal,ahigh-strength,high-resilience,heat-treateddie-castingmaterialusedformanufacturingtherearfloorwasdevelopedbyXiaomiandisofficiallynamed"XiaomiTitanAlloy.“

Thisisanalloymaterialcomprisingmorethan10elements,includingaluminosilicate,rareearths,andzirconium.

Aluminumcontentconstitutesabout30%ofthealloy.

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AutonomousDriving

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SU7isamongtheindustry'sbestby2024.

Autonomousdrivingwith3innovations:

?AdaptiveBEVTechnology

?Road-MappingFoundationalModel,and

?Super-ResOccupancyNetworkTechnology.

AdaptiveBEVadjustsperceptionalgorithmsbyscenario,offeringvisibilityfrom

5cmto250m,enhancinghigh-speed,andparkingvisibilitywith5-20cmgranularity.

TheRoad-MappingModelimprovesdrivingtrajectoriesinreal-timewithouthigh-definitionmapsbylearningfromcomplexintersectionsanddriverhabits.Additionally,Xiaomicreatedthe"End-to-EndSensingandDecision-MakingAIModel"forautomatedparking,dynamically

adjustingtocomplexscenarioslikeelevator-equippedfacilities.Hardware-wise,thesystemincludesdualNVIDIAOrinchips(508TOPS),oneLiDAR,elevencameras,threeradars,andtwelveultrasonicsensorsontheSU7Max.

Basedontheultra-highresolutionoccupancygridtechnology,thesystem'sdetectionaccuracyforshapedobstaclesisonly0.1m(0.32mforTesla),anditismoreaccurateforsmallobjectslikehighwaytollboothbarriersandtemporarilyplacedmovabletrafficlights.

Additionally,itcanalsodetectwatermiststirredupbythevehicleinfrontduringrainandsnow,therebyreducingthelikelihoodofmisidentification.

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SmartCabin

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Xiaomi'sEVSmartCabinfeaturesauser-friendly,"human-centric"design.

Xiaomi'sSmartCabinfeaturesa16.1-inch3Kconsole,56-inchHUD,7.1-inchrotatingdashboard,andtabletmounts.

PoweredbytheSnapdragon8295chip(30TOPS),itsupportsanintegratedexperienceacrossfivescreens,offeringtablet-likeusabilitywithoutalearningcurve.

ThevehicleOSbootsin1.49seconds,facilitatingseamlesssmartphoneconnectivityandaccesswithinthecabin.

ThesystemintegratestheXiaomitabletappecosystemand5000+

apps,allowingsmartphoneappstobeusedasin-carapplications.

Itconnectswith1000+Xiaomismarthomedevicesforacomprehensive

CarIoTecosystem,supportsCarPlay,andaccommodatesiPadsand

accessories,enhancingin-carinteractionandautomation.

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Smartdriving

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Xiaomioffersafull-stackself-developedintelligentPilotpoweredbytwoNvidiaDriveOrinchips.

SmartDrivingSystems

?XiaomiPilotPro:UtilizesapurevisionsolutionwithoneNvidiaDriveOrinchip(84Topscomputingpower).

?XiaomiPilotMax:AddsLiDARtotheProsetup,equippedwithtwoNvidiaDriveOrinchips(508Tops).

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ChargingandSpecialFeatures

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The400Vplatformallowsa350kmrangewitha15Mincharge,whilethe800Vversionachieves510km.

Chargingandinfrastructure

?The400Vplatformallowsfora350kmrangewitha15-minutecharge,whilethe800Vversionachieves510km.

?Theentiresystemusesan871-Vchargingplatform,whichsomeotherbrandsmayrefertoas"quasi-900V"intheiradvertising,anditisextremelyfast.Datapublishedonthewebsiteindicatethat5minutesofchargingtimecanextendtherangeby220km.

?15minutesofchargingcanextendtherangeby510km.

?Xiaomi'ssuperchargingstationsfeaturea600kWliquid-cooledsolution,firstlaunchinginBeijing,Shanghai,andHangzhou.

Specialfeatures

?TheHyperOSsystemenablesseamlessconnectivityamongXiaomi’sAIoTdevicessupportingwirelessCarPlayandiPad.

?Thecockpitfeaturesa16.1-inchcentralscreenanda7.1-inchinstrumentpane

?56-inchHead-UpDisplay,Largecanopyglass

?Twoadditionalscreens,so-calledXiaomitabletscalledMiPads,areavailableforpassengersintherearseat

?Onboard4.6Lrefrigeratorwithacapacityof4.6L,whichcanholdupto6cansofCoke.

?Variouswheelsizes(19",20",and21").

?Nineexteriorcolorsandfourinterioroptions,withadragcoefficientof0.195Cd.

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XiaomiHyperfactory

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XiaomicompletedtheconstructionofBeijingfactorywithanannualtargetproductionof200,000EVs.

TheXiaomiEVHyperfactoryfacilityfeaturessixworkshops,

includinguniquediecastingandbatteryworkshops,enhancingtheirmanufacturingcapabilitiesandboasts29R&Dlabstoexpeditethe

developmentcyclefornewvehiclesandincludesa2.5kmtesttrack

toensureeachXiaomiSU7undergoestestingbeforedelivery,aiming

foraproductioncapacitywhereassemblyiscompletedinjust76seconds.

Highlightingautomation,thefactoryuses269weldingmachinesforafullyautomatedsteelandaluminumbodyframeproduction,36robots

for0.5mmprecisioninassembly,and700+robotsforvarioustasks,achieving100%automationinproductionandqualitytesting,including

UVlightandLiDARtechnologiesforexteriorandframeinspectionwithupto99.9%accuracy.

Environmentalsustainabilityisakeyfocus,withthefactory'sroofequippedwithphotovoltaic(PV)panelsgenerating164millionkilowatt-hoursannually,alongsidestringentcontrolsonwastewaterandexhaustemissions,achieving99%wastewatertreatmentefficiencyandzerodischargeofheavymetals,plustheuseof30%recycledaluminuminproduction.

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MajorSupplier

Thearchitectureincludesmodulessuchaselectronicsandelectrical,electricdrivesystem,batterysystem,chassis,lowerbodysystem,thermalmanagementsystem,etc.

Benteler

Bosch

BremboBrakingSystem

BYDBattery

CATLBattery

Continental

Nexteer

Schaeffler

ThyssenKrupp

ZFFriedrichshafen

Single-motor:UnitedAutomotiveElectronicSystems,Bosch’sJVwithZhonglianAutomotiveElectronics.

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MajorCompetitors

XiaomiSU7Seriesiscompetingwithseveralchallengingmarketpeers:

TeslaModel3

PorscheTaycanTurboS

Zeekr007

XPENGP7

XPENGP7i

NIOET5/7

BYDHanEV

AITOS7

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XiaomiSU7

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Specifications[1/3]

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XiaomiSU7

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Specifications[2/3]

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XiaomiSU7

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Specifications[3/3]

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Appendix

XiaomiSU7EVModenaarchitecture[1/3]

XiaomiAuto’sModenaplatformisXiaomi’sfullyself-developedautomotiveplatform.

Body

?Forsafetyreasons,theentirecarfeaturesanarmoredsteel-aluminumhybridbodywithacage,achievingacompositionof90.1%high-strengthsteelandanaluminumalloy.

?Thetorsionalrigidityreaches51,000Nm/degree,whichexceedsthatofthesupersportscarBugattiVeyron(50,000Nm/degree).

?Thebatterycrossmemberandthesillbeamaremadefrom

2000MPaultra-high-strengthsteelandanultra-widemulti-

chamberextrudedaluminumalloy,respectively,withstandingsideimpactsofupto820kN.

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Appendix

XiaomiSU7EVModenaarchitecture[2/3]

Featuringgroundbreakingaerodynamicswithadragcoefficientof0.195,theSU7istheworld'smostaerodynamicproductioncar,thankstocollaborationswithrenownedautomotivedesignersandengineerspreviouslyassociatedwithBMW,Mercedes-Benz,andotherpremiumbrands.

Xiaomihasbigambitionsanditwantstobecomeoneofthetop5carcompaniesintheworldinthenext15-20years.

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Appendix

SU7Technology

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