800V High Voltage Platform Research Report, 2022

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Research on 800V high voltage platform: the mass production will commence in 2022

800V high voltage platform-based models are a key deployment of OEMs.

It is hard for a 400V platform to enable >200KW fast charge under current E/E architectures, while the upgrade to the 800V platform allows much smaller fast charging current at 200KW, making it more likely to achieve >350KW fast charge.

In the case of the same charging power, under the 800V fast charging architecture the high voltage wiring harness boasts smaller diameter and costs less, and the battery dissipates less heat, which makes thermal management easier and optimizes the overall cost of the battery.

Already, most OEMs have made aggressive inroads into the 800V high voltage platform since it serves as an efficient solution to the replenishment anxiety.

In 2021, BYD, Geely, Great Wall Motor, Xpeng Motors and Leapmotor among others have announced their 800V high voltage technology deployment plans; Li Auto, NIO and the likes are preparing for related technologies as well. Through the lens of start of production, major OEMs will roll out their new vehicles based on 800V solution beyond 2022.

800V 1_副本.png

Hyundai: at the Auto Shanghai 2021, Hyundai introduced IONIQ5, the first IONIQ BEV model developed on the E-GMP. The Chinese edition will be spawned in 2022. IONIQ5 highlights the following:

It takes just 18 minutes to rise state of charge (SOC) from 10% to 80%;
800V high voltage architecture
The rear wheel drive integrates a HV booster that converts 400V to 800V.

From the 800V architecture diagram of IONIQ 5, it can be seen that almost all high voltage devices have been upgraded to 800V; the front wheel drive is a 75kW three-in-one drive, while the rear one is a 155kW five-in-one drive, with a 400V to 800V converter designed for wider scenarios of fast charge.

800V 2_副本.png

Great Wall: in November 2021, Great Wall SL unveiled Mecha Dragon, its first model that packs proprietary Dayu battery delivering capacity of 115kWh and CLTC range of 802km. Besides, Mecha Dragon uses 800V charging technology, enabling a 401km endurance by a 10-minute charge and 545km by a 15-minute charge, with peak current up to 600A.

Great Wall also endeavors to deploy 800V high voltage components, such as 800V dual-motor vector control module, 800V SiC controller, and 800V~1000V 250A ultrahigh voltage wiring harness systems.

Xpeng: in November 2021, Xpeng released Xpeng G9, a production vehicle based on the 800V high voltage SiC platform. The new car can travel more than 200km by a 5-minute super charge. Its maximum charging current also exceeds 600A, electric drive efficiency is as high as 95%, and overall system efficiency is close to 90%.

All components on Xpeng G9 are 800V ones, meaning they support the high voltage of 800V. In addition, Xpeng G9 reduces the resistance of each high voltage linkage, and also offers safety protection in special circumstances. The maximum charging current of over 600A enables super charge in a real sense.

Leapmotor: in July 2021, Leapmotor announced its Future Strategy 2.0, specifying a clear-cut plan for 800V high voltage technology. The carmaker is scheduled to mass-produce the 800V ultrahigh voltage electrical platform in the fourth quarter of 2024, which allows 400KW ultrafast charge and brings a 200km endurance by a 5-minute charge. Moreover, Leapmotor also projects mass-production of a high-performance high-power silicon carbide (SiC) controller in late 2023 to replace the current IGBTs. This product in support of 800V fast charge can lift the power of motors to 300KW, with a 4% rise in efficiency.

OEMs step up efforts to deploy the self-operated ultrafast charging networks for their high voltage platform-based models.

Vehicles equipped with 800V high voltage platforms charge on existing common charging piles that allow just lower-than-expected charging speed and fall short of ultrafast charging in real terms. The onboard 800V high voltage platform therefore cannot exert itself fully without super charging piles. It grows a trend for 800V vehicle high voltage platform and super charging pile to be combined.

At present, models based on 800V platforms is in readiness for production, and the deployment of super charging piles is also progressing steadily. As well as cooperating with operators to deploy charging networks, OEMs also work to build their own. The high voltage technology is an important development trend regardless of self-built or cooperative charging networks.

800V 3_副本.png

GAC: in August 2021, GAC AION launched an A480 super charging pile, which is compatible with 800V high voltage platform-based models. This pile enables 6C high-rate charge, that is, 0% to 80% charge in 8 minutes, and 30% to 80% charge in 5 minutes.

GAC AION has built its first super charging station at Guangzhou Donghong International Plaza and has brought it into operation, with a plan to build 2,000 super charging stations in 300 cities by 2025.

Xpeng: Xpeng’s super energy replenishment system is implemented at vehicle, charging pile and station simultaneously. At the vehicle end, the production models with 800V high voltage SiC platforms will be deployed. As concerns the charging pile, the 480kW high voltage supercharging piles will be first built. In the charging station, the self-developed energy storage and charging technologies will be applied, with energy storage at a time meeting the needs of 30 vehicles for uninterrupted high power super charge. As of October 2021, there have been 439 Xpeng brand supercharging stations in 121 cities.

800V 4_副本.png

Automotive SiC ushers in a boom, and suppliers expedite their layout.

On the 800V high voltage platform, the withstand voltage of system components also needs to be leveled up to 800V, so do the corresponding components and materials. And under the high voltage architecture, battery pack, electric drive, PTC, air conditioner, on-board charger, etc. all require being re-selected as well.

As for the vehicle, high voltage technologies such as electric drive, fast charging battery, PTC, and DCDC have been production-ready. In fast charging battery’s case, in April 2021, Honeycomb Energy Technology under Great Wall Motor launched an all-new fast charging battery and corresponding battery cells. The 1st-Gen 2.2C fast-charging battery features cell capacity of 158Ah and energy density of 250Wh/kg, and enables 20%-80% SOC in 16 minutes. It is to be mass-produced in the fourth quarter of 2021. The 2nd-Gen 4C fast-charging battery boasts typical charging capacity of 165Ah and energy density of >260Wh/kg, and enables 20%-80% SOC in 10 minutes. Its mass production is arranged in Q2 2023.

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SiC features good voltage withstand, high stability, better frequency than silicon-based IGBTs, and small size, in the process of upgrading 800V high voltage platform components. It has drawn widespread attention in the industry.

In new energy vehicles, SiC is largely used in vehicle power supplies and motor controllers. Though still priced high in a relative sense and the inevitable higher cost by massive adoption in a single vehicle, the use of SiC devices can deliver a longer mileage range and slash the battery cost. The cost of a single vehicle is actually lower after offsetting the cost rise caused by SiC devices.

In the long run, the price of SiC devices will edge down. In China, silicon-based IGBTs are monopolized by foreign vendors, while in the SiC field Chinese suppliers like Huawei, Shinry Technologies and Zhuhai Enpower Electric have made successful deployments. Chinese players may outrun and replace their foreign peers in the race. The cost of SiC devices will drop further if localized.

The mass production of 800V high voltage platforms breathes new life into the development of SiC. Influential suppliers compete to expand SiC production capacity to satisfy the growing demand.

800V 6_副本.png

The 800V High Voltage Platform Research Report, 2022 highlights the following:
Introduction to 800V high voltage platform and its advantages, vehicle high voltage platform standards, charging pile high voltage platform standards, high voltage platform market size and competitive landscape, etc.;
800V high voltage platform's impacts on the upstream industry chain (battery, electric drive, thermal management, etc.), electrical architecture design of the 800V high voltage platform, status quo of the downstream new energy vehicle sector, etc.;
Development stages of 800V high voltage platform, its availability on vehicles, and its use in charging piles, etc.;
Merits of SiC applied in 800V high voltage platform, its application at the vehicle end, its application in charging piles, status quo of SiC industry, etc.;
Deployments of OEMs and suppliers in 800V high voltage technology.

1 800V High Voltage Platform Market
1.1 Introduction to High Voltage Platform
1.1.1 Development Background of High Voltage Fast Charging Technology
1.1.2 Electric Vehicle Voltage Levels
1.1.3 Classification of High Voltage System Architecture
1.1.4 High Voltage Architecture of Electric Vehicles
1.1.5 400V/800V High Voltage Architecture
1.1.6 Transient Modes from 400V to 800V
1.1.7 High Voltage Architecture (Partial Components)
1.1.8 High Voltage Architecture (All Components)
1.1.9 Different Boosting Methods of 800V Platform
1.1.10 800V Platform is Equipped with Boost Converter
1.1.11 Distribution of High Voltage Wiring Harness
1.1.12 Distribution of High Voltage Connectors
1.1.13 Application of Film Capacitors in New Energy Vehicles
1.2 Advantages of High Voltage Platform
1.2.1 Enduring Problems of Electric Vehicle Industry (1)
1.2.2 Enduring Problems of Electric Vehicle Industry (2)
1.2.3 800V High Voltage Platform Addresses the Enduring Problems of Electric Vehicle Industry
1.2.4 800V Platform Can Improve Charging Efficiency (1)
1.2.5 800V Platform Can Improve Charging Efficiency (2)
1.2.6 800V Platform Can Improve Vehicle Power Performance and Endurance
1.2.7 800V platform Can Be Upward Compatible with High-end Vehicles
1.3 Standards for High Voltage Platform at the Vehicle End
1.3.1 Formulation of Standards for Electric Vehicle High Voltage Platform (1)
1.3.2 Formulation of Standards for Electric Vehicle High Voltage Platform (2)
1.4 Charging Standards at the Charging Pile End
1.4.1 Major Global Standards for Electric Vehicle Charging Interfaces
1.4.2 Main Organizations That Formulate the Global Standards for Electric Vehicle Charging Interfaces
1.4.3 AC Charging Interface Standards
1.4.4 DC Charging Interface Standards
1.4.5 Combined Charging Interface Standard
1.4.6 Charging Interface Standards of Major Global Vehicle Models
1.4.7 The Importance of Uniform Charging Interface Standards
1.4.8 Global Charging Standards Tend To Be Unified
1.4.9 Improvement in Technical Standards for China ChaoJi Charging (1)
1.4.10 Improvement in Technical Standards for China ChaoJi Charging (2)
1.5 Market Size and Pattern
1.5.1 Changes in Cost of 800V Platform System Components
1.5.2 Market Space of 800V Platform Applied at the Vehicle End in China
1.5.3 Charging Pile Demand in China
1.5.4 800V Platform Market Players
1.5.5 OEMs and Suppliers Race to Deploy 800V Platforms
1.5.6 Competitive Pattern of Key High Voltage Components Market

2 800V High Voltage Platform Industry Chain
2.1 800V High Voltage Platform Industry Chain Gets Improved
2.1.1 High Voltage Components Industry Chain Gets Improved
2.1.2 Deployments of Chinese Suppliers in 800V Platform Industry Chain
2.1.3 High Voltage Architecture-Based Product Lines at the Charging Pile End Mature
2.2 Impacts of 800V High Voltage Platform on Components
2.2.1 Higher Requirements for Withstand Voltage of High Voltage Parts and Components
2.2.2 Power Levels of Different Devices
2.2.3 Challenges Posed by High Voltage Platform to Upstream Components and Voltage Withstand Devices Sectors
2.2.4 Some Components Need to Be Upgraded on High Voltage Platform
2.2.5 The Withstand Voltage of Film Capacitors Is Improved
2.2.6 The Value of 800V Platform Film Capacitors Increases
2.2.7 High Voltage DC Relay: High Performance Requirements Drive Up Added Value
2.2.8 Higher Penetration of Excitation Fuse
2.2.9 Soft Magnetic Alloy Powder Core: Boost Module Spurs Demand
2.2.10 High Voltage System Architecture Evolution Leaves Room for Upstream Power Devices to Grow
2.3 Impacts of 800V High Voltage on Batteries
2.3.1 Difference between 400V and 800V Power Batteries
2.3.2 Better Cost Performance of Battery under 800V High Voltage Fast Charging Architecture
2.3.3 800V High Voltage Architecture Has Higher Requirements on Battery Rate Capability
2.3.4 Higher Requirements for Fast Charging Performance of Battery Cathode
2.3.5 The Growing Number of Battery Strings Requires Higher Battery Cell Consistency
2.3.6 800V Battery Cases
2.3.7 Fast Charging Battery Cases
2.4 Impacts of 800V High Voltage on Electric Drive
2.4.1 Technical Challenges to 800V Electric Drive System
2.4.2 Corrosion Resistance and Insulation Challenges Posed by High Voltage to Motor Bearings (1)
2.4.3 Corrosion Resistance and Insulation Challenges Posed by High Voltage to Motor Bearings (2)
2.4.4 Technical Challenges Posed by 800V Electric Drive System to Inverters
2.4.5 Design Parameters of 800V Motor
2.4.6 800V Platform Boosts OBC/DCDC (1)
2.4.7 800V Platform Boosts OBC/DCDC (2)
2.5 800V High Voltage Platform Demands More Isolation Chips
2.5.1 Application of New Energy Vehicle Isolation Chip
2.5.2 Isolation Chip for New Energy Vehicle Inverter
2.5.3 Isolation Chip for New Energy Vehicle OBC
2.5.4 Both Demand and Price of 800V High Voltage Platform Isolation Chips Rise
2.6 Requirements of 800V High Voltage Platform for Thermal Management
2.6.1 Electric Vehicle Thermal Management Technology
2.6.2 800V High Voltage Fast Charging Technology Has Higher Requirements for Thermal Management
2.6.3 800V Platform Battery Cooling Solutions of Hyundai and Porsche
2.7 High Voltage Electrical Architecture Design for Electric Vehicles
2.7.1 High Voltage Electrical Architecture Design Input
2.7.2 High Voltage Architecture Scheme Design
2.7.3 High Voltage Electrical Appliance Architecture Design
2.7.4 System Safety Design of High Voltage Architecture
2.7.5 Wiring Harness Design of High Voltage Architecture
2.7.6 Safety Design of High Voltage Connector

3 Application of 800V High Voltage Platform
3.1 Development Stages of 800V High Voltage Platform
3.1.1 800V High Voltage Platform Development: Stage 1
3.1.2 800V High Voltage Platform Development: Stage 2
3.1.3 High Voltage Platform + Super Charging Pile Becomes the Ultimate Development Trend
3.1.4 Challenges in 800V Platform Application (1)
3.1.5 Challenges in 800V Platform Application (2)
3.2 Application of High Voltage Platform in Vehicle
3.2.1 800V Platform Performs Better in Charging
3.2.2 Vehicle 800V Platform Facilitates Demand for Fast Charging Batteries
3.2.3 Development Trends of Vehicle High Voltage Architecture
3.2.4 Technical Directions of Vehicle High Voltage Architecture Hardware
3.2.5 Technical Directions of Vehicle High Voltage Architecture Control
3.2.6 Design Directions of Electric Drive System for 800V High Voltage Platform
3.2.7 The Combination of SiC and 800V Platform Will Become A Development Trend for Electric Vehicles
3.2.8 High Voltage technology Will Penetrate into Ordinary Models from High-end Models
3.3 Application of High Voltage in Charging Piles
3.3.1 Classification of Charging Piles
3.3.2 Classification of Charging Technologies
3.3.3 Ratio of Charging Piles to Charging Station
3.3.4 Cost Structure of Charging Piles
3.3.5 High Voltage Fast Charging Piles Help Lower Cost
3.3.6 Technical Directions of Charging Gun
3.3.7 High Voltage Fast Charging Piles Becomes a Development Direction
3.3.8 Technical Upgrade of 800V Charging Pile
3.3.9 High Voltage Architecture is an Inevitable Trend for Superfast Charging
3.3.10 OEMs Speed Up Their Layout of Charging Networks
3.3.11 Challenges to High Voltage High-Power Charging Piles during Use

4 Trends of SiC Use in 800V High Voltage Platform
4.1 Advantages of SiC Products
4.1.1 Excellent Properties of SiC
4.1.2 Advantages of SiC Devices
4.1.3 Demand of High Voltage Platform for SiC
4.2 Application of SiC in 800V High Voltage Platform at the Vehicle End
4.2.1 Advantages of 800V SiC Solution for Vehicles
4.2.2 Application of SiC Devices to High Voltage Platform Helps to Improve Efficiency
4.2.3 Advantages of SiC under 750V Platform
4.2.4 Application of SiC Devices Helps to Reduce Vehicle Cost (1)
4.2.5 Application of SiC Devices Helps to Reduce Vehicle Cost (2)
4.2.6 Application of SiC Devices Helps to Reduce Vehicle Cost (3)
4.2.7 SiC Will Be Largely Used in Electric Vehicles in Future
4.2.8 Applications of SiC in New Energy Vehicles
4.2.9 SiC Are Mainly Applied in Electronic Control Modules
4.2.10 Automotive SiC Market Space
4.3 High Voltage Charging Facilities Promote SiC Use in Charging Piles
4.3.1 Marked Advantages of SiC Devices Applied in Charging Piles (1)
4.3.2 Marked Advantages of SiC Devices Applied in Charging Piles (2)
4.3.3 800V Charging Facilities Promote SiC Use in Charging Piles
4.3.4 Application Cases of SiC in Charging Piles (1)
4.3.5 Application Cases of SiC in Charging Piles (2)
4.3.6 Application Cases of SiC in Charging Piles (3)
4.4 Status Quo of SiC Industry
4.4.1 Cost Structure of SiC MOSFET
4.4.2 SiC Substrate Market Pattern
4.4.3 Price Trend of SiC MOSFET
4.4.4 SiC MOSFET Market Pattern
4.4.5 Components Suppliers Deploy SiC
4.4.6 Suppliers Expand Production Capacity of Automotive SiC
4.4.7 OEMs Deploy SiC

5 800V High Voltage Platform Solutions of OEMs
5.1 OEMs’ Efforts in 800V High Voltage Technology
5.1.1 High Voltage Fast Charging Mass Production Solutions of Major OEMs (1)
5.1.2 High Voltage Fast Charging Mass Production Solutions of Major OEMs (2)
5.1.3 Evolution Path of OEM 400V Fast Charging
5.1.4 Evolution Path of OEM 800V Fast Charging
5.1.5 Deployments of Chinese OEMs in Fast Charging in 2021
5.2 Porsche
5.2.1 Taycan High Voltage Platform Architecture
5.2.2 Taycan Has 4 Voltage Platforms
5.2.3 Taycan Battery Pack
5.2.4 Taycan Charging System
5.2.5 Taycan Charger and Booster
5.2.6 Taycan DCDC
5.3 Hyundai
5.3.1 Electric-Global Modular Platform (E-GMP)
5.3.2 E-GMP Battery Design
5.3.3 Production Models Based on E-GMP
5.3.4 800V High Voltage Architecture of IONIQ 5
5.3.5 Fast Charge Curve of IONIQ 5
5.3.6 Introduction of 800V Technology during the Evolution of E/E Architecture
5.4 Audi
5.4.1 PPE Platform
5.4.2 PPE Platform: Electric Drive System
5.4.3 PPE Platform: 800V Battery
5.4.4 PPE Platform: Thermal Management System
5.4.5 PPE Platform: Motor Cooling System
5.4.6 PPE Platform: Battery Cooling System
5.4.7 Thermal Management of e-tron
5.4.8 2022 Audi RS e-tron GT Will Use 800V System
5.5 Mercedes-Benz
5.5.1 Mercedes Modular Architecture (MMA)
5.5.2 Proprietary 800V System for Mercedes-Benz EQE
5.6 BYD
5.6.1 e-platform 3.0 Enables Both 1,000km Endurance and 800V Fast Charge
5.6.2 Development History of Vehicle Voltage Platform
5.6.3 800V High Voltage Flash Charging Technology
5.6.4 Use of SiC Technology
5.6.5 Motor Boost Charging Technology of e-platform 3.0
5.6.6 High Voltage Drive System
5.6.7 Application of 800V High Voltage Platform
5.6.8 Introduction of 800V Technology during the Evolution of E/E Architecture
5.7 GAC
5.7.1 Graphene-based Ultrafast Charging Battery
5.7.2 Performance of Graphene-based Ultrafast Charging Battery
5.7.3 Super Speed Battery Technology of GAC AION
5.7.4 Supercharging Station Mode of GAC AION
5.7.5 Deployments of GAC AION in Supercharging Stations
5.7.6 Introduction of 800V Technology during the Evolution of E/E Architecture
5.8 Geely ZEEKR
5.8.1 Ultrafast Charging Technology
5.8.2 Supercharging Stations
5.8.3 Application of 800V High Voltage Platform
5.9 Great Wall
5.9.1 800V Electric Product Layout
5.9.2 Bee Speed Rechargeable Battery
5.9.3 Main Technologies of Bee Speed Rechargeable Battery (1)
5.9.4 Main Technologies of Bee Speed Rechargeable Battery (2)
5.9.5 Introduction of 800V Technology during the Evolution of E/E Architecture
5.9.6 Mecha Dragon Equipped with 800V High Voltage Platform
5.10 Dongfeng Voyah
5.10.1 800V High Voltage Platform and Ultrafast Charging Technology (1)
5.10.2 800V High Voltage Platform and Ultrafast Charging Technology (2)
5.11 BAIC ARCFOX
5.11.1 800V High Voltage Platform
5.11.2 Construction of Supercharging Stations
5.12 Xpeng
5.12.1 800V High Voltage SiC Platform
5.12.2 Charging Network
5.12.3 Layout of High Voltage Super Energy Replenishment System
5.12.4 Introduction of 800V Technology during the Evolution of E/E Architecture
5.13 Leapmotor
5.13.1 Powertrain Technology
5.13.2 800V High Voltage Technology
5.14 Others
5.14.1 Layout of Li Auto in Fast Charging Technology
5.14.2 Polestar 800V High Voltage Platform Deployment

6 800V High Voltage Platform Solutions of Tier1s
6.1 Layout of Tier1s in 800V High Voltage Technology
6.1.1 Layout of Suppliers in High Voltage Components
6.1.2 Technical Layout of Suppliers in 800V High Voltage Battery
6.1.3 Technical Comparison of 800V High Voltage Battery between Major Suppliers
6.1.4 Suppliers Cooperate to Deploy 800V Technology
6.2 Huawei
6.2.1 High Voltage Platform Solutions
6.2.2 AI Flash Charge-Power Domain Full Stack High Voltage Solution (1)
6.2.3 AI Flash Charge-Power Domain Full Stack High Voltage Solution (2)
6.2.4 High Voltage Drive System
6.2.5 Bearing Electric Corrosion Solution
6.2.6 HiCharger Charging Module
6.2.7 Thermal Management System
6.3 Farasis Energy
6.3.1 800VTC Super Charge Super Voltage Technology
6.3.2 Technical Superiorities of 800VTC Super Charge Super Voltage Platform
6.4 Vitesco Technologies
6.4.1 High Voltage Electric Drive Products
6.4.2 800V SiC Electronic Control Products
6.4.3 EMR4 Electric Drive System
6.4.4 High Voltage DC/DC
6.4.5 High Voltage Inverter
6.5 ZF
6.5.1 Electric Drive Technology
6.5.2 Layout of 800V High Voltage Technology
6.5.3 800V SiC Electric Drive System
6.6 Others
6.6.1 Layout of BorgWarner in 800V Technology
6.6.2 Layout of AVL in 800V Technology

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