Features

Easelink wants to set a new standard for EV charging: Automatic and conductive

On average, you park your EV once every nine miles. Imagine if every one of those times, your car could quickly recharge without any intervention on your part. This is the vision of Easelink, an EV charging company based in Graz, Austria. Easelink wants to put its Matrix Charging technology in parking spots far and… Read more »

EV outliers: Oslo, San Francisco…and St Petersburg?

Many readers are surprised to learn that Charged is headquartered not in California, but in St Petersburg, Florida. Once a sleepy retirement center nicknamed “God’s Waiting Room,” nowadays “The Burg” is a hipster hotspot, replete with art galleries, craft breweries and vegan eateries. Another distinction that places St Pete in the avant-garde: it’s an EV… Read more »

Mobile EV chargers deliver power where it’s needed

A few companies have introduced mobile charging products to solve unique challenges. The perceived lack of ready access to charging stations is one factor that has limited consumers’ interest in buying electric vehicles. While the number and diversity of locations of EV charging stations are growing, thanks to networks such as Electrify America, chargers can… Read more »

Battery testing start-up Novonix has spun off PUREgraphite to manufacture anode material in the US

Batteries are ubiquitous in our modern lives. Take a look around you and count how many items need be plugged in and recharged. If you’re at your desk, the answer might be four or five. If you’re out for a run, perhaps two or three. If you’re in a garage, there may only be one,… Read more »

2019 Hyundai Kona Electric: A viable EV competitor for the average car buyer

As a company, Hyundai often sets goals that slightly exceed those set by competing automakers. The engineers who designed the Ioniq Hybrid and Plug-In hatchbacks were told that the new vehicles had to beat the fuel-efficiency ratings of the Prius hybrid and Prius Prime plug-in hybrid. So it is with the Hyundai Kona Electric. We… Read more »

SiC vs GaN semiconductors for EV power converters: Tech Opinion

Just as engineers are starting to get used to the advantages (and quirks) of silicon carbide (SiC ) devices, another semiconductor material joins the fray: gallium nitride, or GaN. Though there are some superficial similarities between these two materials, and even some overlap in their areas of best use, it is my opinion that only… Read more »

The Wallbox Copper proves EV chargers can be beautiful too

The Spanish charging station company Wallbox is growing quickly and winning awards. The Red Dot Product Design award is given every year to consumer products with exceptional design, from luxury watches to elegant furniture to stunning sports cars. You might not expect an EV charger to share that stage, but among the 2019 Red Dot… Read more »

Battery bonding: Ultrasonic wire bonding vs laser welded bonding

Ultrasonic wire bonding vs laser welded bonding Li-ion cells come in many different shapes and size. There’s also a large variety of options to choose from when designing the connections between each cell and a vehicle’s electronics. In automotive applications, it’s critical to design reliable connections that are cost-effective and suited to high-volume manufacturing. F&K… Read more »

A closer look at the losses in power semiconductors

A previous article examined loss mechanisms in traction motors, which tend to be the single biggest source of losses in a modern EV drivetrain. This time, the focus is on the various power semiconductors, as they are the next biggest source of losses. Also covered in brief are ways to mitigate these losses and design… Read more »

A look at Volkswagen’s MEB architecture

The all-electric underpinnings that the VW Group will use to build dozens of EVs A few weeks before the end of 2019, if all goes according to plan, the first Volkswagen I.D. Neo electric car will roll off the assembly line at the company’s plant in Zwickau, Germany. Different versions will offer ranges from 160… Read more »