VW develops EV wireless charging, shows range-boosting materials research



Volkswagen on Tuesday confirmed that it’s engaged on wireless charging—in its personal patented coil and charging pad design, with silicon-carbide supplies, aimed partly towards day by day storage use. 

The undertaking goes properly past that, although—into cost charges which can be at present on the speedy facet of DC fast-charging territory. 

In response to Volkswagen, their authentic try was within the type an early 6.6-kw prototype, which might carry out at cost charges similar to dwelling Stage 2 (240-volt) programs. However in early trials along side a silicon carbide inverter, the system has carried out as much as 120 kw with a prototype. Additional VW has a future objective of upping the system to 300 kw. 

Mahle wi-fi charging

Thus far, wi-fi charging has largely been within the type of functions meant for dwelling use. There are just a few high-power programs in use or improvement, and most of them are focused towards use on bigger business autos. One exception is a wireless charging taxi test in Norway from Momentum Dynamics (InductEV). 

The U.S. improvement of this Volkswagen system is being completed at VW’s Knoxville Innovation Hub, along side Oak Ridge Nationwide Lab (ORNL) and the College of Tennessee (UT), making the most of the 2 educational establishments’ experience with high-power wi-fi charging and power-electronics optimization, respectively. 

Along with the tease of future hands-free charging tech for its autos, VW boasted that with supplies work being completed along side UT, leading to a 3D-printed resin-based construction, it could possibly create a body for the battery pack that cuts weight by 60%—with sturdiness and vitality absorption past that of metal. That would assist enhance driving vary in future EVs. 

VW wireless charging tech

VW wi-fi charging tech

VW additionally confirmed the opportunity of utilizing paper-based merchandise (hot-pressed cellulose fiber strengthened thermoplastics) to exchange plastics in some automobile areas. Additional, it revealed U.S.-based analysis with light-weight supplies that could be put to make use of in “pickup beds and rugged elements” for future merchandise. In a course of known as “sizing,” it’s working to optimize the fiber-matrix-interface in sheet molding compound (SMC) processes for higher sturdiness. It kicked off that undertaking by producing a light-weight model of a VW Atlas liftgate that saved 13 kilos (35%) versus steel. 

VW Type 20 Microbus Concept wheel made with generative design

VW Kind 20 Microbus Idea wheel made with generative design

This sort of devoted design strategy to weight financial savings is arguably associated to the AI-based generative design approach that VW has dabbled with in U.S.-based ideas and analysis within the latest previous—together with its Type 20 Microbus Concept that the corporate’s U.S. arm developed whereas the ID.Buzz electric van was taking type in Germany. 


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