OXIS has developed its largest lithium-sulfur cell to date, achieving specific energy in excess of 300 Wh/kg. The company has also increased cell capacity to 25 Ah, a twelve-fold improvement in 18 months. OXIS predicts that it will achieve a cell capacity of 33 Ah by mid-2015. The OXIS scientific team expects to achieve its… Read more »
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New CARB regulations deciphered by Transport Evolved Panel
Even voracious EV news junkies should be sated by a recent episode of the Transport Evolved Panel Talk Show, as electromobility experts Nikki Gordon-Bloomfield, Chelsea Sexton and John Voelcker hold forth for 90 minutes on the latest developments on the plug-in scene, including Michigan’s new anti-Tesla law, the UK’s sudden surge in plug-in sales, and the… Read more »
Do luxury models make more sense as EVs than small cars?
Contrary to popular belief, the small, practical city car is not necessarily the best candidate for electrification. Battery costs will keep EVs more expensive than legacy vehicles for some time to come, and many drivers won’t recoup the higher purchase price in fuel savings in a reasonable number of years. In a new article, John… Read more »
New video goes inside Chevy Volt battery lab
GM has released a wealth of information about the new and improved Voltec electric-drive system that will power the 2016 Volt. A new video from CNN takes us inside a GM plant for a quick look at some of the Volt’s innards. Under the watchful eyes of the pros, presenter Peter Valdes-Dapena says it takes… Read more »
October plug-in sales: LEAF, Volt still lead, BMW coming up strong
The US auto industry had a good month, as automakers reported their strongest October sales in a decade. Most of the action was in gas-guzzling pickups and SUVs – alas, plug-in sales were down compared to last October, for the first time in 46 months of EV sales. Annual sales are still on track to handily… 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 »
Next-gen battery pack testing: AeroVironment launches the AV-900 EX
In the late 1980s, General Motors contracted with the California-based firm AeroVironment to develop the Impact electric concept car. It was the prototype that evolved into the infamous EV1 production car. While designing the Impact, AeroVironment needed the ability to test large-format battery packs for automotive applications. However, at that time, essentially no one else… Read more »
Tesla in China: major incentive in Shanghai, online sales on Alibaba
Tesla has scored what could be a major sales boost in China. Shanghai’s municipal government has ruled that Model S buyers will be exempt from the $12,000 registration fee required to obtain license plates. A city official told Bloomberg (via Green Car Reports) that 400 Tesla buyers have already received the free plates. Like many large Chinese… 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 »
Freudenberg Group’s new line of Li-ion battery separators
The separator is a critical component of a battery. It provides a barrier between the anode and the cathode while enabling the exchange of ionic charge carriers from one side to the other. For over 40 years, the Freudenberg Group has been producing separators for nickel-based batteries, such as the nickel-metal hydride (NiMH) cells widely… Read more »