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Rhombus Energy Solutions use Wolfspeed’s SiC devices for faster EV charging infrastructure

Green Car Congress

will supply 1200V Silicon Carbide MOSFETs to Rhombus Energy Solutions for its EV2flex line of charging infrastructure products, enabling greater efficiency, higher power density and faster charging times. Silicon Carbide technology leader Wolfspeed, Inc.

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Electric Vehicle Charging Principle

Setec Powerr

With soaring oil prices and global policy support, electric vehicles will become increasingly popular. Slowly electric vehicles will become the mainstream of the market. Next, let’s learn about the working principle and charging principle of electric vehicles. Other charging methods are not widely used yet.

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ORNL demos 20 kW bi-directional wireless charging on UPS PHEV truck; 11" air gap, >92% efficiency

Green Car Congress

Researchers at the Department of Energy’s Oak Ridge National Laboratory (ORNL) in late February demonstrated a 20-kilowatt bi-directional wireless charging system installed on a UPS medium-duty, plug-in hybrid electric delivery truck. UPS appreciates the Department of Energy’s support on this effort.

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Fraunhofer analysis finds battery-electric trucks have energy cost advantage over hydrogen trucks

Green Car Congress

In a recent analysis, Fraunhofer ISI concludes that battery-electric drives will become established in heavy-duty applications in the commercial vehicle sector and that fuel cells will remain a niche application. The decisive factor for the switch to battery-electric vehicles is the energy cost advantage compared to hydrogen and diesel.

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China’s first large-scale sodium-ion battery charges to 90% in 12 minutes

Baua Electric

Photo: China Southern Power Grid Energy Storage China’s first major sodium-ion battery energy storage station is now online, according to state-owned utility China Southern Power Grid Energy Storage. That’s enough to power 35,000 households and reduce carbon dioxide emissions by 50,000 tonnes annually.

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SCAQMD awards AC Propulsion $300K grant for 3 electric service van conversions

Green Car Congress

The California South Coast Air Quality Management District (AQMD) has awarded AC Propulsion a $300,000 grant to integrate its electric drive system technology into commercial service vans ( three Ford E250 vans supplied by Comcast) in Southern California. The first conversion vehicle is slated for road testing in early summer 2011.

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Study finds all-electric rideshare fleet could reduce carbon emissions, but increase traffic issues

Green Car Congress

Major ridesourcing companies Uber and Lyft have promised all-electric fleets by 2030 in an effort to reduce their carbon footprint. Lead author Aniruddh Mohan and colleagues wanted to develop a method that evaluated the life-cycle costs and benefits for two battery-powered ridesource fleets and a gasoline-powered one.

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