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Features

A closer look at back electromotive force

Why motors generate and generators motor In a previous article I took a closer look at regenerative braking, and mentioned an old engineering saying that every motor is a generator and every generator is a motor (along with the caveat that some are more suited to the opposite purpose than others). This time around I’ll… Read more »

EVs made (and powered) in America

Publisher’s Note – CHARGED Electric Vehicles Magazine Issue 9 – August 2013 The Wall Street Journal recently published an article on Kentucky’s Republican congressman Thomas Massie. The piece was about a few idealists in the GOP that are bucking the party leaders and blocking their agenda. The most interesting departure from Republican talking points is… Read more »

Plug In America research: Tesla Roadster battery longevity exceeds projections

By Tom Saxton, Chief Science Officer, Plug In America Many current and prospective electric vehicle owners are curious to better understand battery pack longevity. There’s plenty of technical data on how batteries lose capacity with use, but a lot of that testing subjects the batteries to extreme and rapid charge/discharge cycles, very unlike the much gentler use… Read more »

Wildcat Discovery Technologies’ new cathode materials

We first told you about Wildcat Discovery Technologies back in the October/November 2012 issue of Charged. It is a venture-backed start-up in Southern California that has developed proprietary methods for rapidly synthesizing energy-storage materials. The company boasts that one of its busy scientists can produce 400 to 500 different battery materials at the same time… Read more »

It’s on: Lite-On enters the US EVSE market

If you’ve never heard of Lite-On, don’t feel bad – it’s a quiet giant. However, it’s quite likely that you’re using one of the company’s products right now. The Taiwan-based group is the world’s biggest manufacturer of LEDs and power supplies for consumer electronics. Most of the major computer and smartphone makers use its power… Read more »

OCPP: There’s definitely confusion, but is there controversy?

Reporting on the charging industry is a tough gig. It’s incredibly nuanced. Every question we ask the experts leads to three more questions. It turns out that when you take hardware, software, networks, protocols and panels, then mix in some public funding, you get endless opinions.  We’ll attempt to clarify two issues in the thick… Read more »

What we know about Collaboratev

Reporting on the charging industry is a tough gig. It’s incredibly nuanced. Every question we ask the experts leads to three more questions. It turns out that when you take hardware, software, networks, protocols and panels, then mix in some public funding, you get endless opinions.  We’ll attempt to clarify two issues in the thick… Read more »

EVs in paradise: plug-ins and island markets

Islands make perfect EV habitats. Driving distances are generally short, and the need to ship supplies from the mainland keeps gas prices high. Also, islands around the world face a lot of environmental challenges, and many island economies depend on tourism, so the level of green consciousness tends to be high. Island governments around the… Read more »