The BMW i3 incorporates several extremely innovative features (as we noted in our August 2013 cover story), from its carbon fiber “life module” to its bottom-mounted battery pack to its unique optional range extender. In a recent Forbes article and accompanying video, Sandy Munro calls it “the most advanced vehicle on the planet…as revolutionary as… Read more »
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EVs, renewables & energy storage: The unstoppable trio of energy’s future
The ripples of disruption: Q&A with Mike Calise The concept of disruption is often discussed in the fields of semiconductors, the internet, data, computers and software. But what about the energy industry? The world has been largely generating and consuming energy the same way for over a century. Charged talked to Mike Calise, Head of Electric… Read more »
Researchers move another step closer to Li-air batteries
A team from Delft University in the Netherlands and the University of Waterloo in Canada has used operando X-ray diffraction to show that oxidation of electrochemically generated lithium peroxide (Li2O2) in high-energy-density Li-air batteries occurs in two stages, but in only one step for commercial (crystalline) Li2O2. In a paper published in the Journal of… Read more »
BMW’s fast charging strategy: Clarifying some nuanced announcements
Range anxiety: we’re not sure whether it’s a serious disease or a psychosomatic ailment, but it’s one of the most commonly-cited objections heard from potential EV buyers, and automakers take it quite seriously. All of the top EV-makers are investing heavily in public charging infrastructure in an effort to eradicate this dreaded malady. At the… Read more »
Thin-film supercapacitors could be embedded in body panels
Researchers around the world are working on supercapacitors (aka ultracaps), whose high power density makes them a perfect complement for lithium-ion batteries. Meanwhile, a couple of visionaries at Volvo have been thinking about ways to get around the high space requirements of batteries by storing energy in a car’s body panels. Image Courtesy of Volvo… Read more »
Toyota researchers work with Brookhaven National Lab to investigate magnesium batteries
Toyota researchers are collaborating with the Center for Functional Nanomaterials (CFN) at the DOE’s Brookhaven National Laboratory to probe molecular structures and track chemical reactions in magnesium batteries. “Issues related to cost, power, energy density, and durability of Li-ion batteries have slowed their implementation in large-scale applications, such as electric and hybrid vehicles,” said Toyota… Read more »
Voltabox begins building Li-ion battery packs in Texas
Three Li-ion battery chemistries, the speed of its software and hardware systems configuration and the automotive legacy of Voltabox make this newly-landed American spin-off company a player in the realm of rechargeable batteries for public transit and heavy industrial vehicles. Austin, Texas is known for many things: music festivals, barbequed ribs, the Texas Longhorns, filmmaker… Read more »
Elon Musk: Cooling, not power-to-weight ratio, is the challenge with AC induction motors
Elon Musk’s recent interview at the MIT AeroAstro Centennial Symposium made headlines for his warning against the careless development of artificial intelligence, which he likened to “summoning the demon.” However, while he didn’t say a lot about Tesla, he did make an interesting comment about the challenges of designing electric motors. A questioner asked (around… Read more »
Simulation of battery pack cooling systems: measure twice, cut once
The experts at Mentor Graphics walk us through the simulation and analysis of a battery pack cooling system. In the business of battery pack design, one of the main considerations is cooling. The pack must have a uniform and stable temperature for the batteries to perform adequately during worst-case conditions. Even within a single cell,… Read more »
2014 Mercedes-Benz B-Class Electric Drive
After a gradual build-up, Daimler’s automotive brands are now showing their stuff in the EV arenas of three continents. Stateside, the spotlight lands on the new, competitively priced Mercedes-Benz B-Class Electric Drive. Daimler AG, the parent company of Mercedes-Benz USA (MBUSA), hasn’t been the most visible mover or shaker in electric mobility up to this… Read more »