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AhmedSelema,PhD
Drive13
ReshapingNext-GenE-MotorswithAdditiveManufacturingTechnology
AcceleratingE-MotorInnovations
02DEC.2025
www.drive13.tech
AboutUs
CTISymposiumBerlin2-3Dec.2025,AhmedSelema,Drrive13
4OurRootsandEvolution
NewbrandID
Independententity
IPagreement
+30yearsofR&DinElectricMachines
Severalindustrialresearchprojects
2023
Roots
ResearchDevelopmentMarket
1995
20202025
dr've
13Severalappliedresearchprogrammeson
3DprintedE-motors
CTISymposiumBerlin2-3Dec.2025,AhmedSelema,Drrive13
5OurDNA
13istheatomicnumberforAluminium
AcceleratingE-MotorInnovations
SustainableMaterialsareakeyenablerfortheNext-GenE-motorsthatarelighter,affordable,andmoreefficient.
Ourmissionistoacceleratethetransitiontosustainable,power-dense,copper-freeelectricmachinesbybridgingthegapbetweencutting-edgeinnovationandindustrialreadiness.
Windings
Magnets
(e.g.Alnico)
Thermal
Management
(e.g.CoolingJacket)
6OurTechnologyEdge
GreenManufacturing>>
Smartuseof3Dprinting&aluminium
Moredegreeofdesignfreedom
Bettermanufacturability
Shortleadtime
Aluminiumislighterandcheaper
drve
SustainableMaterials>>
Strategicuseofrareearthelements
Sustainable/recyclablematerial
Top-endperformancefordemandingapplications
Selectiveuseofcriticalrawmaterialsfromneodymiumtocopper
Reducesupplyriskandcosts
DurableSolutions>>
Betterwayofcoolingandcoating
ShapeFirst,CoatAfter
Nobendingortooling
Longerendurance
Advancedcoolingsolutionsforhigherpowerdensity
13
Green
Manufacturing
CTISymposiumBerlin2-3Dec.2025,AhmedSelema,Drrive13
8Smartuseof3Dprinting&aluminium
ImprovedEMperformance
Shape-profiled
Highfillcoil
Hybridcoil
Optimizationofconductorshapeforlowlossesathighfrequency
drve
•Perfectfitintrapezoidalshapeslot
•Highfillfactor
•Lowerlosses
•Improvedthermalperformance
Thesemi-strandedAlucoilprovides30%lowerlossesat1kHzinadditionto70%weightsavingcomparedtoaconventionalcoppercoil.
13
CTISymposiumBerlin2-3Dec.2025,AhmedSelema,Drrive13
9ChainToolsfor3DDesignofWinding
Hairpinwindings
Watchvideo
SustainableMaterials
CTISymposiumBerlin2-3Dec.2025,AhmedSelema,Drrive13
dr've13
11MaterialTrade-off
Windings
SteelCore
Magnets
Cooling
Insulation
Windings
CTISymposiumBerlin2-3Dec.2025,AhmedSelema,Drrive13
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13
ChallengeswithTooledCopperWindings
ExpensiveTooling
Difficulttocustomize
Highfrequencyeddycurrentlosses.
Non-uniformdistributionoflosses
Heavy
CTISymposiumBerlin2-3Dec.2025,AhmedSelema,Drrive13
14HighFrequencyOperationofCopperWindings
8
1
8
1
CTISymposiumBerlin2-3Dec.2025,AhmedSelema,Drrive13
15WhyAluminum?
Highestpowerdensityofhigh-frequencymotors
Ourmotorsachievemarket-leadingpowerdensityinhigh-
frequencyapplications,enabledbyoptimizeddesignsandtheintrinsicadvantageofaluminum’slowerAClossescomparedtocopper.
Aluminiumoutcompetescopperinhighfrequencyapplications
dr've
13
Green
Magnets
CTISymposiumBerlin2-3Dec.2025,AhmedSelema,Drrive13
17StrongMagnetisnotalwaysthebestmagnet
NyisthechampionMagnetonlyatroomtemperature
Trade-offbetweenover80grades
dr've13
Thermal
management
CTISymposiumBerlin2-3Dec.2025,AhmedSelema,Drrive13
dr've13
19Thermalmanagement
DirectCoolingChannels
2xCurrent,Halfweight
PassiveHeatExchanger
TwiceCurrent,Halfweight
Hollowcoil
50-75A/mm2
Electrical
Insulation
CTISymposiumBerlin2-3Dec.2025,AhmedSelema,Drrive13
21InsulationChallenge
insulationmaterials
Limitedthermalperformanceofthecommercial
Bendingcausestensionontheinsulation
ConventionaltooledCoil
ElectricalInsulation
22
Insulationisapplied
directlyonthefinalbarecoil,meaningnotoolingneededafterward.
Temperatureresistance260°C
Excellentelectric
insulationwithnopartialdischarges.
Verygoodedgecoverage
dr've13
Drrive13
CTISymposiumBerlin2-3Dec.2025,AhmedSelema,Drrive13
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23ElectricalInsulation
Controllablefilmthicknessof25µm–200µm
Unmatchedchemicalresistance
Costeffective
CTISymposiumBerlin2-3Dec.2025,AhmedSelema,Drrive13
24Endurancetests
NoPartialdischargeobserved
@extremeconditions20kHzat70nsrisetime
3DPrinted
TooledCoil
DurableInsulationandExtendedLifespan
CaseStudies:
CTISymposiumBerlin2-3Dec.2025,AhmedSelema,Drrive13
dr've13
26RacingMotor
PMSMforRacingMotor
CTISymposiumBerlin2-3Dec.2025,AhmedSelema,Drrive13
27
Outcome
Innovativeintegrationinclosedslotstators
noformingorbending
>80%Slotfillfactor
>35%Statorweightreduction
Higherreliabilityfordemanding
applications(racing,aerospace,...).
High
Altitudecoils
CTISymposiumBerlin2-3Dec.2025,AhmedSelema,Drrive13
29HighAltitudecoils
Design:AxialFluxMotor
dr've13
30HighAltitudecoils
El
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