🏠IT之家•Stalecollected in 3m
Xiaomi Unveils V8s EVO Motor with 28,000rpm Speed
💡See how AI-driven topology optimization is revolutionizing EV hardware design and motor efficiency.
⚡ 30-Second TL;DR
What Changed
Achieves 28,000rpm peak speed using AI-driven topology optimization for rotor design.
Why It Matters
Demonstrates the practical application of AI in mechanical engineering and hardware optimization, pushing the boundaries of electric vehicle powertrain efficiency.
What To Do Next
Study how Xiaomi uses AI-driven topology optimization to replace traditional material-heavy reinforcement methods in hardware design.
Who should care:Developers & AI Engineers
Key Points
- •Achieves 28,000rpm peak speed using AI-driven topology optimization for rotor design.
- •Features self-developed silicon carbide power modules with 120kW/L power density.
- •Utilizes X-Pin winding technology and 0.15mm ultra-thin silicon steel sheets for 98.38% peak efficiency.
- •Integrated into the Xiaomi YU7 GT, enabling 0-100km/h acceleration in 2.92 seconds.
🧠 Deep Insight
Web-grounded analysis with 17 cited sources.
🔑 Enhanced Key Takeaways
- •The V8s EVO motor is a significant upgrade from its predecessor, the V8s, achieving a 5.9% increase in power output due to its self-developed silicon carbide power module.
- •Integrated into the Xiaomi YU7 GT, the V8s EVO contributed to the vehicle setting a new SUV lap record on the Nürburgring Nordschleife with a time of 7:22.755 minutes, surpassing the previous record by 14 seconds.
- •The Xiaomi YU7 GT, powered by the V8s EVO, features an 897V ultra-high-voltage platform and a 101.7 kWh ternary lithium battery, enabling 5.2C fast charging and a CLTC range of 705 km.
- •The YU7 GT's dual-motor configuration, utilizing the V8s EVO, delivers a combined maximum output of 1,003 horsepower (738 kW) and 1068 Nm of torque.
- •The vehicle incorporates Xiaomi's 'Jiaolong Chassis Master Edition,' which includes advanced features like dual-valve CDC dampers, closed dual-chamber air springs, and an eLSD electronic limited-slip differential for enhanced handling.
📊 Competitor Analysis▸ Show
| Feature/Benchmark | Xiaomi YU7 GT | Tesla Model Y Long Range | Porsche Macan Turbo | Mercedes EQE 53 4MATIC+ SUV |
|---|---|---|---|---|
| 0-100 km/h Acceleration | 2.92 seconds | ~4.8 seconds (estimated for Long Range) | ~4.5 seconds (estimated) | ~3.5 seconds (estimated) |
| Top Speed | 300 km/h (186 mph) | 217 km/h (135 mph) (estimated for Long Range) | 260 km/h (162 mph) (estimated) | 240 km/h (149 mph) (estimated) |
| Max Power Output | 738 kW (1003 hp) | ~378 kW (507 hp) (estimated for Long Range) | ~470 kW (630 hp) (estimated) | ~460 kW (617 hp) (estimated) |
| CLTC Range | 705 km (438 miles) | ~660 km (410 miles) (estimated for Long Range) | N/A (ICE/Hybrid, not direct EV range) | ~600 km (373 miles) (estimated) |
| Battery Capacity | 101.7 kWh (NMC) | ~75 kWh (estimated) | N/A | ~90.6 kWh (estimated) |
| Voltage Platform | 897V Ultra-High-Voltage | 400V (estimated) | N/A | 400V (estimated) |
| Starting Price (China) | 389,900 yuan (~€49,000) | ~263,900 yuan (estimated) | N/A (higher segment, different market focus) | N/A (higher segment, different market focus) |
🛠️ Technical Deep Dive
- The V8s EVO is a direct evolution of the HyperEngine V8s, which previously held a record for mass-produced e-motors with a maximum speed of 27,200 rpm.
- The HyperEngine V8s (predecessor to V8s EVO) utilized an ultra-high-strength silicon steel plate with a tensile strength of 960MPa, exceeding mainstream industry offerings by more than double.
- The V8s incorporated a Bidirectional Full Oil Cooling Technology with an S-shaped oil circuit design for both the stator and rotor, significantly increasing heat dissipation areas (100% for stator, 50% for rotor).
- Stator silicon steel laminations in the V8s featured a 'step-like' staggered design, further enhancing the effective heat dissipation area by an additional 7%.
- The YU7 GT's 'Jiaolong Chassis Master Edition' includes dual-valve CDC dampers for independent compression and rebound damping adjustment, closed dual-chamber air springs for independent height and stiffness adjustment, and an eLSD electronic limited-slip differential for rapid power distribution to the rear wheels.
- The braking system on the YU7 GT features Akebono six-piston front calipers paired with carbon-ceramic rotors, achieving a 100 km/h to 0 braking distance of 32.9 meters and capable of ten consecutive stops from 180 km/h without fade.
- The YU7 GT's 897V ultra-high-voltage platform and 101.7 kWh ternary lithium battery (NMC technology) support a 5.2C charging rate.
- An intelligent front motor decoupling system in the YU7 GT can disengage the front motor in Eco mode, converting the vehicle to rear-wheel drive and adding approximately 20 km of range.
🔮 Future ImplicationsAI analysis grounded in cited sources
Xiaomi will continue to challenge established luxury and performance EV brands with its in-house developed technologies.
The YU7 GT's Nürburgring Nordschleife lap record and its premium features, including the V8s EVO motor and advanced chassis, demonstrate Xiaomi's ambition to directly compete in the high-end performance EV segment.
Xiaomi's vertical integration in motor and power module development will provide a competitive advantage in cost and performance optimization.
Developing core components like the V8s EVO motor and silicon carbide power modules internally reduces reliance on external suppliers, allowing for optimized integration, potentially lower costs, and faster innovation cycles.
Xiaomi's strategy of leveraging AI for design and advanced manufacturing will accelerate its electric vehicle development and market responsiveness.
The use of AI-driven topology optimization for rotor design and the rapid introduction of new EV models like the SU7 and YU7 GT indicate a fast-paced innovation and development strategy.
⏳ Timeline
2010
Xiaomi company established.
2021-03
Xiaomi announced its intent to enter the electric vehicle market, committing 10 billion yuan.
2021-09
Xiaomi Automobile Co Ltd founded.
2023-12
Xiaomi EV Technology Launch, unveiling HyperEngine V6/V6s and HyperEngine V8s motors, and pre-launching the SU7.
2025-02
Xiaomi SU7 Ultra, featuring HyperEngine V8s, officially launched for sales.
2025-06
Xiaomi YU7 series initially hit the market.
2026-02
Production version of the YU7 GT unveiled by photos from the MIIT.
2026-04-02
YU7 GT with Track Package set a Nürburgring Nordschleife lap time of 7:22.755 minutes.
2026-05-21
Xiaomi YU7 GT officially launched in China.
📎 Sources (17)
Factual claims are grounded in the sources below. Forward-looking analysis is AI-generated interpretation.
📰
Weekly AI Recap
Read this week's curated digest of top AI events →
👉Related Updates
AI-curated news aggregator. All content rights belong to original publishers.
Original source: IT之家 ↗