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Fleets and Infrastructure Features

New PlugShare Data tool offers comprehensive EV infrastructure analytics

In the past five years, the amount of public PEV charging infrastructure in the US has skyrocketed to over 25,000 charging stations. In June 2010, that number was fewer than 1,000. That’s when the PlugShare team first began mapping EV chargers, allowing its app users to share tips and tricks about their favorite places to… Read more »

ChargePoint’s CEO on the design of its new residential charging station

In January 2009, ChargePoint installed its first charging station in downtown San Jose, California. Five years later, the company is the king of the charging networks and boasts over 20,000 charging spots in North America. The company has a staggeringly high attach rate for new plug-in vehicle drivers. Somewhere between 70 and 80 percent of… Read more »

The future of integrated inverters: Press-fit solderless interconnects and smarter design

Interplex, the complex assemblies expert, on power electronics, the automotive industry and the continuous drive for smarter design Power modules containing high-power insulated-gate bipolar transistors (IGBTs) are at the core of most modern inverters. These modules are the electronic muscle of the system. They perform all the switching, and they generate all the heat. But… Read more »

Ionic liquid electrolytes may open the door for higher-voltage batteries

The curious case of ionic liquids: Boulder Ionics/CoorsTek Specialty Chemicals Iolyte electrolytes When you think of liquids under the brand name Coors, you think of the Silver Bullet, the Banquet Beer. You certainly don’t think of high technology, unless you’re really easily impressed by cold-activated cans. However, not everyone knows that there’s another huge conglomerate under… Read more »

Quick Charge Power: Tony Williams on his journey into the EVSE business

EV advocate to charging entrepreneur You may remember a little Nissan LEAF battery controversy that popped up a few years ago. Beginning in May 2012, a handful of LEAF owners located in Phoenix, Arizona started posting on forums that, according to the car’s dashboard display, their batteries were losing capacity much faster than they were expecting…. Read more »

Argonne National Labs hosts the Interoperability Olympics

At Argonne National Labs, the pursuit of greater compatibility between DC fast charger EVSE and EVs connected some dots between industry standards and industry stalwarts. America’s first national lab, Argonne National Laboratory (ANL), has always been steeped in the purpose of discovering and developing sustainable energy sources for promoting national security and prosperity. While the… Read more »

Siemens saves weight and space with integrated motor and inverter

Screw it in and drive Among the companies pushing the boundaries of packaging efficiency is the German engineering colossus Siemens. The company has developed an integrated motor and inverter contained in a single housing, the Siemens Sivetec MSA 3300. The new drive unit reduces weight, frees up six to seven liters of additional space, lowers… Read more »

The EVSE GMI circuit: Should the standards be changed?

Leviton’s Director of Engineering explains the EVSE GMI circuit and why he believes the standards should be changed. One of the many safety features integrated into EVSE is the ground monitor interrupter (GMI) circuit. The GMI circuit ensures that the ground path is connected from the vehicle chassis all the way to the electric service… Read more »

AutoLion Li-ion battery simulation software claims a unique modeling technology

Super modeling: EC Power’s AutoLion claims unique technology, reliable results and extraordinary savings in development time and cost With battery technology being one of the key bottlenecks slowing down the widespread adoption of electric vehicles, Pennsylvania’s growing startup EC Power proposes a tantalizing offer to battery developers: cut your product development cycle by around 20 percent, and… Read more »

Pushing the power limits: Fuji Electric on the new requirements of power electronics

With each passing model year, the requirements demanded of automotive power electronics increase. Market forces are pushing Insulated Gate Bipolar Transistor (IGBT) modules towards lighter, smaller, more powerful and more reliable technology. These switching devices are what power an EV or hybrid inverter, and with increasingly stringent emissions requirements, automakers are looking for more innovative… Read more »