WNEVC releases 'Top Global NEV Cutting-edge and Innovative Technologies'

By Yuan Fang
0 Comment(s)Print E-mail China.org.cn, July 3, 2019
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Cutting-edge Technology

Autonomous Vehicle Synthetic Aperture Radar

Synthetic Aperture Radar (SAR) is a kind of high resolution imaging radar. Its basic principle is that radar uses the motion of vehicle platform to synthesize echoes from different locations, so as to create a large antenna aperture, thereby improving the azimuth resolution to millimeter level. With the rise of autonomous driving, this technology can be applied to high-resolution mapping and automatic parking assistant and other automotive fields. 

Solid-state Lithium Battery

Solid-state lithium batteries achieve a huge improvement in energy density, safety and cycle life. A stable interface is formed between cathode and solid electrolyte, which suppresses the growth of lithium dendrites. Based on the exploitation of strong solid electrolyte and inert interface, high-voltage cathode materials and lithium metal anode can be applied in the solid-state batteries, the energy density of which can be promoted while improving safety, and the economy and environmental performance of new energy vehicles will be improved. 

Fundamental Data Cloud Control Platform for ICV

The Fundamental Data Cloud Control Platform for ICV adopts three-layer technology architecture including edge cloud, regional cloud and central cloud. It solves the technical bottleneck in sensing range and cooperative control and realizes full factors connected sensing and V2X cooperative control improving traffic safety, traffic efficiency based on big data driving group decision, so that the ICV and ITS will fuse deeply. 

High Power Density Silicon Carbide Motor Controllers for Electric Vehicles

SiC has advantages of high temperature, low conduction resistance and high frequency, which is applicated to achieve high power density, high efficiency and low cost of inverter. To achieve SiC high density inverter, there are three main scientific issues, including carrier transport mechanism of high temperature SiC chip, multi-physical coupling mechanism of SiC module packaging, and electromagnetic interference generation and propagation mechanism of inverter. Furthermore, key technologies need broken through, such as carrier transport enhancing technology of SiC device, SiC planar double-sided cooled packaging technology and integration method of SiC motor controller. 

Lightweight Technology of 3D Braiding CFRP Composites for Automobiles

3D braiding technology can manufacture fiber preformed components from fiber roving directly. Compared with traditional 2D method, 3D braiding reduces the cutting, laying and preforming processes, for which manufacturing steps and the relevant manufacturing cost can be reduced significantly. The application of 3D weaving technology will have significant impacts on automotive structural design, body parts processing and vehicle manufacturing. 

Hydrogen Fuel Cell Engine Technology — High Specific Power Stack for Fuel Cell Vehicle

Fuel cell stack is the core component of the fuel cell system, which decides the power performance and cost of the engine. A fuel cell stack with higher specific power will realize higher automotive power. Furthermore, higher specific power will reduce the cost of fuel cell stacks. These factors will accelerate the coming of commercialization era of the fuel cell vehicles. 

Distributed Electric Drive System Technology

Distributed electric drive systems usually adopt multiple in-wheel or wheel-hub motors instead of the centralized drive system of traditional electric vehicles. With advantages of short powertrain, high efficiency, compact structure, convenient chassis layout, distributed electric drive systems create a great development space for vehicle modularized and serial development and interior design, can significantly improve vehicle active safety, driving performance and energy efficiency through electronic control technologies, such as torque vectoring control, hybrid brake strategy and so on. 

Wireless Charging Technology for Electric Vehicles

Wireless charging technology for electric vehicles can charge an electric vehicle in a non-contact manner based on electromagnetic induction principle. The application of this technology is usually to install two coupling coils on the ground end and the vehicle end, and the transmission of energy from the transmitting end to the receiving end is realized by the magnetic field coupling between the two coils. The wireless charging of the electric vehicle avoids the direct electrical connection between the vehicle charger and the ground terminal power source, and has the characteristics of easy operation, high safety and strong environmental adaptability.

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