Features

A closer look at current sensors in EVs

Pretty much every electronic circuit that handles significant power utilizes some means of measuring current, whether to simply protect against overload or because it is a basic functional requirement. In this article we’ll cover some of the more common devices and circuit techniques for measuring current in the major subsystems of an EV, including when… Read more »

Sparkcharge launches a portable and scalable DC fast charging unit

The all-electric transport system of the future is a work in progress, to say the least. In fact, at the moment we stand near the beginning of the transition, and many aspects of the charged world to come are not yet clear. It may be that the EV ecosystem that we now foresee will prove… Read more »

Pre-Switch promises to add 5-12% more EV range by eliminating switching loses

How would you like it if your EV could go ten percent farther with the same size battery? You’d love it, of course, and so would every EV manufacturer out there. Range is one of the most important parameters in the EV industry, as many potential EV drivers are apprehensive about lower range ratings. Manufacturers… Read more »

2019 Kia Niro EV: An impressive electric compact suggests good things from future Kia EVs

Kia may be the auto brand with the biggest disconnect between perception and reality in the US today. It makes stylish, modern vehicles – passenger cars plus a growing range of crossover utilities – packed with advanced features. It’s a legitimate competitor to Toyota, Honda, and others. But ask the average buyer if he or… Read more »

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 »