article thumbnail

Toyota introduces second-generation Mirai fuel cell electric vehicle as design and technology flagship

Green Car Congress

In comparison, the first-gen Mirai was FWD, and the larger stack was placed under a raised section of the passenger compartment floor. In the 2021 Mirai, a second DC/DC converter augments the main DC/DC converter to respond to the auxiliary load increase. seconds.

Toyota 448
article thumbnail

Audi provides overview of its 4 distinct EV platforms

Green Car Congress

By comparison, an asynchronous motor’s rotor rotates slower than a synchronous speed. Because of this, the e-tron GT is able to charge the battery to 80% in about 20 minutes at a Level 3 DC fast charger with a maximum output of 350 kW. seconds and 124 mph in just over 12 seconds in production form.

Audi 300
article thumbnail

XL1 dive and drive: Volkswagen aggressively optimizes for efficiency in its sleek diesel plug-in hybrid

Green Car Congress

The XL1 is aggressively optimized for efficiency in all areas of its design and technology—from materials (carbon fiber reinforced polymer monocoque); to powertrain (0.8L Comparison of electric drive fuel consumption (kWh/100 miles). By comparison, a Volkswagen Polo is slightly longer (156.3 Click to enlarge.

Plug-in 324
article thumbnail

A closer look at Audi’s new R8 e-tron EV and battery

Green Car Congress

Li-ion cell energy density was increased from 84 to 152 Wh/kg; in comparison to the first technology platform, the battery capacity has grown from 48.6 Its exterior skin, painted in Magnetic Blue, combines body parts made of aluminum and carbon fiber reinforced polymer (CFRP), such as the front and rear lids. R8 Overview.

Battery 150
article thumbnail

Audi unveils h-tron quattro fuel cell SUV concept at Detroit; MLB evo platform

Green Car Congress

As two rough comparisons, Toyota’s production Mirai fuel-cell sedan, with a 114 kW fuel cell stack and a 113 kW traction motor, has an NEDC fuel consumption—calculated from the JC08 homologated value—of 0.76 3-way power DC/DC converter. lb) of hydrogen per 100 kilometers (62.1 kg H 2 /100 km, according to Toyota.

Audi 150
article thumbnail

DOE seeking comment on draft $50M solicitation for new projects over 11 areas of interest to improve vehicle performance and decrease fuel consumption

Green Car Congress

High Temperature DC Bus Capacitor Cost Reduction & Performance Improvements. Carbon Fiber Polymer Composite. AOI 6: High Temperature DC Bus Capacitor Cost Reduction & Performance Improvements. Following are the capacitor target specifications: DC Bus Capacitor Targets. Magnesium (AZ or AM series commercial alloy).

Li-ion 240
article thumbnail

Toyota pops the hood on the technology of the fuel cell Mirai at SAE World Congress

Green Car Congress

The papers provide technical details on the high performance fuel-cell (FC) stack; specific insights into FC separator, and stack manifold; the newly developed boost converter; and the new high-pressure hydrogen storage system with innovative carbon fiber windings. Comparison of conventional and new lamination methods.

Congress 150