202 1 is the first year that Hyundai motor group has achieved the leap of electric vehicles, and plans to launch Hyundai motor "IONIQ? 5 (Enikk5) "and Kia Motors" CV "(project name), and E-GMP, as a new technology-intensive platform, will become the framework of a new generation of electric vehicle product lines. At the same time, Hyundai Motor Group also released a brand-new high-speed motor and battery system.
Albert, president of research and development of Hyundai Motor Group? Beermann said, "The electric vehicles previously launched by Hyundai Motor Group have attracted much attention due to their excellent performance. E-GMP, a world-class platform dedicated to electric vehicles, will further optimize the technological leading strength of Hyundai Motor Group on the basis of ensuring the current excellent efficiency, and fully cover a new type of vehicles with higher driving performance requirements. "
E-GMP: Building a New Generation of Electric Vehicles
Different from the current electric vehicles coming from the internal combustion engine platform, the E-GMP platform, as an optimized structure, is specially designed for electric vehicles. ? It can travel 600 kilometers once charging (NEDC standard working condition). At the same time, the battery can be charged to 80% within 14 minutes when the 800V charging system is matched and ultra-high-speed charging facilities are adopted, which means that the era of electric vehicles driving 100km is gradually becoming a reality after charging for 5 minutes.
In addition, unlike the internal combustion engine platform, E-GMP platform can realize platform design. The space occupied by engine, transmission and fuel tank is greatly reduced, which innovatively improves the utilization rate of interior space, breaks the limitation of traditional structure and creates a brand-new design style of interior and exterior decoration of automobile.
E-GMP platform has the characteristics of modularity and standardization, which can not only expand the product lineup of electric vehicles in a short time according to customer demand, but also reduce the complexity of vehicle production and improve production efficiency, so as to easily realize reinvestment by improving efficiency.
At the same time, the structural design of E-GMP platform fully considers unmanned driving, high-performance EV, V2G (vehicles? Where to? Grid) and other all-round application fields are expected to play a positive role in expanding the market share of mobile travel in the future. ?
Hyundai Motor E-GMP plans to install a new PE system (Power? Electric? System) can replace the powertrain system including the existing internal combustion engine, the world's first 400V/800V multifunctional charging system compatible with various charging infrastructures, and provide consumers with further optimized and upgraded electric mobile travel experience. ?
Modularization+standardization
E-GMP platform introduces the concepts of modularization and standardization, and reduces the complexity of R&D at the product planning stage, thus realizing cross-vehicle and cross-level flexible product development. Thus, the E-GMP platform can realize the research and development of cars, CUVs and SUVs in the direction of high performance and energy efficiency, and can quickly launch various types of vehicles to meet the diversified needs of customers.
In order to meet the requirements of fast acceleration and strong maneuverability of electric vehicles, a high-performance vehicle with an acceleration of less than 3.5 seconds per 100 kilometers and a top speed of 260km/h can be built through the E-GMP platform.
In the traditional internal combustion engine car, the engine occupies a lot of space. In the E-GMP platform, the lightweight drive motor is installed in the original engine installation position, and the battery is installed in the lower center of the car body, which realizes the low center of gravity design and the reasonable distribution of the front and rear weight of the car body, and creates excellent turning performance and stable high-speed driving performance. In addition, the E-GMP platform is equipped with a high-speed motor, which greatly improves the driving performance; It is also equipped with a 5-link rear suspension, which is mainly suitable for medium and large vehicles, to optimize the ride feeling and handling performance.
Ensure safety and optimal space design.
From the battery and motor to the body and chassis structure, the E-GMP platform has realized the optimal design for the characteristics of electric vehicles, and at the same time, it is equipped with many new technologies to ensure the safety of passengers and batteries.
First of all, the impact energy buffer zone in front of the vehicle will guide the deformation of all frame structures such as the body and chassis, thus absorbing energy and alleviating the impact force; In the load-bearing support area in front of the instrument panel, a hedge structure is adopted to minimize the impact of PE module and high-voltage battery. In addition, the high-voltage battery protection zone at the lower end of the car body adopts ultra-high tension steel to ensure the safety during collision.
As a passenger protection area, A-pillar load-bearing decentralized structure is adopted to prevent deformation. A large number of hot stamping accessories are used in the front and periphery of the battery; The central part of the battery box is also firmly connected with the car body, and the overall structural design can effectively buffer the impact force.
E-GMP platform has created the most innovative design and spatial performance suitable for future electric mobile travel. Shorten the front and rear suspension (the distance from the rear of the car to the center of the wheel) and lengthen the wheelbase (the distance from the front wheel to the rear wheel axle) to realize the personalized design style; The stretched cockpit design (dashboard accessory module in the driver's seat) expands the seating space. At the same time, this long wheelbase design helps to improve the riding feeling and driving safety.
The platform also cancels the ground intermediate passage necessary for the internal combustion engine platform, and the battery is installed under the center of the car body, which makes the ground inside the car more flat and optimizes the space inside the car to the extreme. At the same time, the rear passenger space is more spacious, and various styles of front and rear seat configurations can be created according to different models.
A brand-new PE system most suitable for E-GMP platform
The E-GMP platform is equipped with a new PE system (Power? Electric? System), covering the newly developed motors, reducers, inverters and batteries for a new generation of electric vehicles.
In order to ensure the spacious interior space and reduce the weight of the car body, the PE system of E-GMP platform reduces the overall volume and weight, reduces the loss of energy transfer between parts, and maximizes performance and efficiency. At the same time, 800V high voltage system is adopted, which greatly shortens the charging time.
First, a motor for driving, a reducer for converting power into torque and speed required by a vehicle, and an inverter for controlling the torque of the motor by converting electric power are integrated. In addition, the maximum speed of the motor is increased by 30~70%, and the reduction ratio is increased by 33%. Efficiency optimization is achieved by reducing motor size and lightweight design.
At the same time, the E-GMP platform also adopts a standardized battery system that is most suitable for special vehicles for electric vehicles, which can be flexibly matched according to vehicle types, driving distances and customer lifestyles.
All vehicles developed based on E-GMP platform will be equipped with the same standardized battery module, which is composed of batteries with the highest standard energy density. On the basis of this standardized module, users can create diversified battery pack composition modes such as basic model and battery life model according to the number of modules.
Silicon carbide (SiC) power semiconductor is used in the inverter power module of the rear wheel motor system, which is more efficient than the existing silicon (Si). The system efficiency can be improved by 2~3%, and the cruising range can be extended by about 5%, that is, it can run for a longer time with the same battery quantity.
Here to explain the SiC power semiconductor (silicon? Cabide (silicon carbide) is a kind of power semiconductor, which uses high-efficiency new material silicon carbide to convert, process and control power. Compared with the widely used silicon (Si) power semiconductor, it has higher stiffness and thermal conductivity and less energy loss, and is gradually becoming a new generation of power semiconductor.
E-GMP platform comes standard with rear-wheel drive 2WD mode, and front-wheel motors can be added according to different configurations to realize 4WD drive mode. At the same time, the first "retarder disengager" (EV? Transmission? Isolating switch), which can separate or connect the motor and the drive shaft according to the driving situation. Through this design, the vehicle can freely switch between 2WD and 4WD driving modes, minimizing unnecessary power loss and achieving efficient driving.
The world is equipped with 400V/800V multifunctional fast charging system for the first time.
In order to shorten the charging time, the E-GMP platform is equipped with a 400V/800V multifunctional fast charging system, which can be applied to 800V ultra-high-speed charging system and other charging infrastructure.
At present, the common fast charging infrastructure at home and abroad is mostly 50- 150kW charger, mainly for electric vehicles equipped with 400V charging system. In recent years, in order to realize fast charging, 350kW ultra-high-speed charging infrastructure is under construction, mainly for electric vehicles equipped with 800V high-voltage charging system.
E-GMP platform conforms to this trend, and is equipped with 800V high-voltage charging system in the design. Through the ultra-high-speed charging facility, the vehicle can be charged 80% within 14 minutes, and can travel 600 km after being fully charged (NEDC standard working condition). In addition, even if it is only charged for 5 minutes, it can travel about 100km.
At present, most of the fast charging infrastructure widely used in the market is aimed at electric vehicles equipped with 400V charging system. For electric vehicles equipped with 800V high-voltage charging system, in order to use these fast charging infrastructures, other components need to be installed. The E-GMP platform breaks through this limitation, and is equipped with a multifunctional fast charging system without installing other components, which can use ultra-high-speed charging facilities and existing fast charging infrastructure at the same time.
As the world's first patented technology that should be applied to the E-GMP platform, the multifunctional fast charging system makes full use of the driving motor and inverter of the vehicle to boost the 400V voltage provided by the charging infrastructure to the 800V voltage most suitable for the vehicle system, thus achieving stable charging compatibility.
Push 44 electric vehicles in 2025.
Hyundai Motor Group has made long-term investment in technology and product research and development to fully cope with the electrification era. In 2009, the first electric vehicle, the hybrid vehicle, was listed in South Korea. 20 10, the BlueOn electric vehicle was put into trial operation. 20 15 established a mass production system covering all electric vehicles (HEV, PHEV, EV, FCEV).
With the rapid development of the electric vehicle market in recent years, Hyundai Motor Group plans to take the lead in strengthening the new electrification architecture, high-performance drive system and new-generation batteries, and at the same time make unremitting efforts to further expand the electric vehicle models.
Among the 44 electric vehicles that Hyundai Motor Group plans to launch by 2025, there are 23 electric vehicles, among which electric vehicle-specific vehicles 1 1 account for the largest proportion; At the same time, the Group plans to achieve the goal of annual sales of 6.5438+0 million vehicles in the global market and become a veritable global leader in electric vehicles.
To this end, in August this year, Hyundai Motor launched the pure electric vehicle brand "IONIQ Ainikun", and plans to take the lead in carrying the special platform E-GMP for electric vehicles. From next year to 2024, it will take the lead in launching the product lineup covering three special models for electric vehicles: compact CUV, medium-sized car and large SUV.
Modern IONIQ product lineup (IONIQ from left? 6、IONIQ？ 7、IONIQ？ 5)
Kia Motors is also gradually practicing the medium and long-term development strategy "Plan"? S "is committed to the innovation, transformation and upgrading of mobile travel and electric vehicle business system. Kia Motors announced in September this year that it plans to increase the proportion of electric vehicle sales to 20% by 2025, and released schematic diagrams of seven models, including CV and high-performance models that Kia Motors plans to launch one after another by 2027.
Schematic diagram of seven special electric vehicles of Kia Motors?
At the end of 2065438+2009, Hyundai Motor Group put forward the future development strategy-2025 strategy, which mainly focused on the two business structures of "intelligent mobile travel products" and "intelligent mobile travel services" and launched three strategic directions, among which ensuring the leading strength in the field of electrification is one of the important directions. Hyundai Motor plans to increase the global annual sales of battery electric vehicles and hydrogen fuel cell vehicles to 670,000 by 2025, and continuously increase the proportion of electric vehicles in the product camp. Starting from 2030, the electrification of new cars will be actively promoted in key markets such as China, South Korea, the United States and Europe.
In order to achieve this strategic goal, the Group will invest 665,438+0 trillion won in this strategy, and about 65,438+00 trillion won will be used to research and develop future technologies every year. In addition, Hyundai Motor Group has also accelerated the implementation of the electrification strategy through enterprise cooperation. ?
This article comes from car home, the author of the car manufacturer, and does not represent car home's position.