Range and horsepower may get the headlines, but to powertrain designers, drain-source resistance, also known as RDS(on), is a sexy spec. Those in the know are excited over the news that UnitedSiC, a New Jersey-based manufacturer of silicon carbide (SiC) power semiconductors, is introducing four new SiC field-effect transistors (FETs) that boast RDS(on) levels of… Read more »
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Pierburg creates modular AC compressor for EVs with integrated motor and electronics
Pierburg, a subsidiary of German parts maker Rheinmetall Automotive, has developed an AC compressor for EVs that integrates the compressor, electric motor and power electronics into one modular, compact unit. In ICE vehicles, the AC compressor is typically driven by a pulley and V-belt. EVs lack this mechanism, so the AC compressor is driven by… Read more »
Netherlands takes “largest order” title with 259 BYD e-buses
The record for “largest order of electric buses in Europe” is proving to be a rapidly moving target. In November, Volvo sold 157 e-buses to a French public transit operator, and proclaimed that this order was the largest in Europe to date. Now Keolis, a private public transport operator that manages bus and metro systems… Read more »
ABB installs 40 fast charging stations across Sweden for Vattenfall
Swiss electronics company ABB is providing charging stations and grid connection hardware for a Swedish charging network developed by state-owned energy company Vattenfall. ABB has already provided equipment for Vattenfall at almost 40 public locations across Sweden. Vattenfall is using the ABB Terra fast charger, which ABB calls the world’s fastest EV charger. ABB’s all-in-one… Read more »
Tesla Cybertruck may be more aerodynamic than expected – Elon Musk says it could deliver a 0.30 Cd
Once they got over the smashed windows, the next thing many of the Cybertruck’s detractors focused on was its unconventional boxy shape. At first glance, the vehicle surely looks un-aerodynamic, which would be a serious drawback for any EV. However, as more information emerges, it turns out that the Cybertruck’s angular form might be almost… Read more »
Battery cooling performance: Comparing liquid-dispense gap fillers with thermal pads
Sponsored by LORD Corporation The focus of LORD Corporation’s study is to investigate how the superior thermal transfer provided by gap fillers versus gap pads affects cooling of actual battery modules. Battery modules were assembled using LORD gap fillers with thermal conductivity of 2 and 4 W/m·K, and also with commercially available gap pads of… Read more »
The pony gets charged: Ford bets big on the Mustang Mach-E electric SUV
Is this The One? Is Ford’s new Mustang Mach-E the killer app, the tipping point, the savior of the US auto industry? We’ve been fooled too many times before to gush now, but we will say that Ford is putting some real money and prestige on the line this time. “We’ve pushed all our chips… Read more »
New report: Cost and performance of batteries improving much faster than forecast
A new report from the Rocky Mountain Institute (via Forbes) finds that improvements in the cost and performance of batteries are quickly outpacing forecasts, due to massive investments in battery manufacturing and steady advances in technology. According to RMI’s Breakthrough Batteries Report, venture capital firms invested over $1.4 billion in battery tech in the first… Read more »
BRUGG eConnect to launch 850-amp liquid-cooled charging cable
Swiss cable maker BRUGG eConnect has announced a new high-performance charging cable, the PURWIL Connect 850+ Cooled, that can deliver DC electricity at 1,000 volts and up to 850 amps. The company plans to launch the cable in early 2020. Today’s conventional cables typically max out at 550 amps, but thanks to an in-wire cooling system, the PURWIL Connect… Read more »
PREMO launches high-efficiency secondary coils for wireless charging
PREMO, a Spanish manufacturer of inductive components for the automotive market, has announced a new series of compact secondary coils for wireless charging, the WC-RX-Series, that boast high efficiency and durability. In Wireless Power Transfer (WPT) systems for EVs, the secondary coils (also known as the receiver antenna) are installed on the vehicle, while the… Read more »