Digatron Firing Circuits’ new stop-start testing rig examines the limitations of lead-acid batteries and the inadequacy of traditional static tests. As the battery in a stop-start system ages, the fuel efficiency advantages are curtailed. It’s a real problem found in some first-generation systems, and has led many to question the methodology used in urban-efficiency tests…. Read more »
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Consumer Reports: Tesla Model S is the best car since 2007 (VIDEO)
Tired of hearing about a certain California carmaker? Well, sorry. Tesla’s name is all over the press this week, from gushers about stock market success to sour-grapes hit pieces about ZEV credits to tantalizing hints of next-gen batteries and self-driving sedans. However, this is the most important news of all for a prospective Model S buyer: Consumer… Read more »
New Sendyne IC greatly increases dynamic range of current measurement
This week brought exciting news for fans of measuring current through resistive shunts. Sendyne Corp. has announced the new SFP100, a high precision current sensing IC that extends the range of accurate current measurements by at least an order of magnitude. With the Sendyne SFP100, ultra-low resistance and low-power consumption shunts can now be used… Read more »
Smith Electric Vehicles: the long haul and the short end of the stick
Smith sees a bright future in electric trucks on the horizon, but must wade through a sea of speculation to get there. All Smith Electric Vehicles Corp. wanted was a long-term growth strategy that would let the company scale up production of its all-electric, zero-emission medium-duty trucks at the same time that it beefed up… Read more »
Can phase change material mitigate thermal runaway in Li-ion packs?
(This article originally appeared in Charged Issue 6 – JAN/FEB 2013) AllCell Technologies’ new phase change thermal management material If you have spent time at any of the EV industry trade shows, you’ve probably heard the term thermal runaway. It refers to a chain reaction in which an increase in temperature causes further increases in temperature and uncontrollable… Read more »
What’s up with wireless EV charging
Wireless charging is one of the hottest topics in the EV world these days. Several companies have systems on the path to commercial availability. Evatran has plans to sell aftermarket systems that will work with popular plug-in models such as the LEAF and the Volt. Qualcomm is using its London trial as a test bed… Read more »
Fisker’s Future: Tony Posawatz on moving the start-up ‘onward’
The feisty California start-up looks to break free of its growing pains and hit cruise control on the Atlantic.
Driving drivetrain development: Schaeffler North America’s VP and CTO on the future of electric drive
Jeff Hemphill talks eAxles, two-speed transmissions, in-wheel motors and more. For multinational companies with thousands of employees, collaborating can be a challenge. In 2011, the Schaeffler Group found that divisions from their three product brands – INA, LuK and FAG – were working on different electrification and renewable topics without really talking to each… Read more »
Florida company files patent for wireless charging in parking lot wheel stops
With a receiver in the car’s bumper, a driver need only pull up so that the wheels rest against the stop, and the vehicle is perfectly aligned for charging.
GM and ABB demonstrate grid storage system built from used Volt batteries
At the recent Electrification Experience symposium in California, GM and ABB demonstrated a “community energy storage system” made from five used Chevy Volt batteries. The unit is designed to provide 25 kW of power for two hours, enough to power 3 to 5 average American homes (a few dozen of these babies would come… Read more »