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Features

Advancing Inverters

Topping the list of EV inhibitors are cost and consumer perception of long-term reliability of the vehicle. After batteries, power electronics contribute the greatest cost to EVs, when compared to a traditional internal combustion engine (ICE) vehicle. Additionally, inverters and converters are among the most stressed powertrain components.  Increasing inverter performance, reliability, and lifetime –… Read more »

A case for 25 kW DC Quick Chargers

Industry Opinion: Larry Butkovich is the General Manager of EV Systems at Fuji Electric Corp. of America – a manufacturer of 25 kW DC Quick Chargers. Retail store owners, fleet managers, and government officials are currently faced with the dilemma of selecting charging stations for their sites, and are often overwhelmed by all of the… Read more »

Where speed hardly matters: Level 1 EV charging opportunities

Industry Opinion: Robert Bruninga is a Professional Engineer in the Aerospace Department of the US Naval Academy in Annapolis, Maryland. Bob is a member of the IEEE National Committee on Transportation and Aerospace Policy and a 30-year EV owner, since the original CitiCar. Why are we ignoring Level 1 charging opportunities? Nothing in this discussion is… Read more »

Company man: Q&A with Bob Lutz

The automotive legend turned 80 on February 12, but he still looks and sounds vital. Even better, and in contrast to the typical assumption about octogenarians Lutz is still entirely relevant. Bob Lutz tends not to speak in abbreviations. More often than not, it’s “gasoline,” not gas, “General Motors,” not GM. Perhaps it’s indicative of a… Read more »

The state of EV charging: more questions than answers

As you may have guessed, we at Charged believe that electricity is the best way to power our vehicles in the post-fossil fuel era. Compared to other contending technologies (biofuels, natural gas, hydrogen), electricity is the most efficient, and our best shot to be truly sustainable. However, there’s a much more immediate reason why automakers… Read more »

Slot cars on steroids: the birth of electric motorsport

The prospect of zero emission, near-silent race cars has set moustaches twitching throughout the motorsport fraternity. Many see it as heresy, while the enlightened few realize that we have a golden opportunity to inject some new life into a hundred-year-old sport.   Doug Peck, editor at emotorsportnews.com, explains why the future of racing runs on… Read more »

We need more energy: Envia Systems’ 400 Wh/kg Li-ion cells

Envia Systems crushed the record for energy density of an automotive rechargeable Li-ion battery at 400Wh/kg. Now all the small start-up has to do is partner with everybody, become the industry standard, and change the world.  Most of us know the public library as a place to get some free Wi-Fi, meet up with people for… Read more »

New tools for new tech: servicing battery powered vehicles

News flash: EVs will suffer from manufacturing defects at approximately the same rate as their gas-fueled cousins. You can Six Sigma processes until you’re blue in the face, but machines designed and built by us mere mortals will always find a new way to break unexpectedly. So what happens when they do?  If the issue… Read more »