Subscribe Now Trouble viewing? Read the features inside here. Featuring: The Tech Wildcat Discovery Technologies’ new cathode materials A closer look at coulombic efficiency In-wheel house: Protean Electric’s in-wheel drive system nears production Parker Hannifin races into traction motors EVs: the Holy Grail of multiphysics The Vehicles A reluctant gem: The FIAT 500e EV Taxing… Read more »
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BMW: lithium-air batteries will double EV range within four to five years
Most experts agree that the eventual dominance of electric vehicles depends on a big breakthrough in battery technology. With researchers around the globe feverishly working on such an advance, there’s no question (except among the most rabid EV-haters) that it will happen. If you ask when the big break will occur, however, you’ll find a… Read more »
Ultracapacitors creep into automotive
Maxwell looks to leverage its early ultracapacitor experience into a ubiquitous, low-cost, high-volume complement to batteries. Power sources like internal combustion engines and advanced battery packs work great as continuous suppliers of energy. But during the highest peak loads, both sacrifice efficiency attempting to meet the power delivery demands. And pushing these devices to their… Read more »
Working together: avoiding EVSE-to-vehicle interoperability issues
Intertek’s Rich Byczek on avoiding EVSE-to-vehicle interoperability issues. Back in January, Plugincars.com published an article by Colby Trudeau – a Honda Fit EV owner, Plug In America volunteer, and electrical engineer at Qualcomm Technologies – that detailed his charging troubles using Ecotality’s Blink charging stations at work. Trudeau found that after about 20 minutes… Read more »
Tesla slightly sweetens financing program
Tesla has announced a couple of small improvements to the financing program that it introduced in April. It is raising the Model S resale value guarantee to make it the highest of any premium sedan (excluding rare, low volume or limited edition vehicles). Buying a Model S through the Tesla financing offering now comes with… Read more »
KAIST discovers method to extend Li-air battery life
Researchers from the Korea Advanced Institute of Science and Technology (KAIST) have discovered a means to extend the lifetime of lithium-air (Li-air) batteries, a technology that offers the promise of higher energy densities than those achievable with conventional lithium-ion batteries. They report their findings in the February issue of the journal ChemSusChem. Li-air batteries are… 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.
A closer look at switched reluctance motors
The electronically-switched reluctance motor – often shortened to the switched reluctance motor, or SRM – has been gaining in popularity over the last decade because it is simple, robust, and arguably the least expensive of all motor types to manufacture. The reasons for the relatively late blooming of the SRM – the first reluctance motor… Read more »
Rio to host all-electric Formula E Championship
The Federation Internationale de Automobile (FIA) has reached an agreement with the city of Rio de Janeiro to host the first Formula E Championship, featuring Formula cars powered exclusively by electric energy, in 2014. At a recent meeting the city’s Mayor declared the proposed urban track near the Gloria Marina “spectacular.” Promoting the event will be Formula E… Read more »
We need more energy: Envia Systems’ 400 Wh/kg Li-ion cells
Envia Systems crushed the record for energy density of an automotive rechargeable Li-ion battery at 400Wh/kg. Now all the small start-up has to do is partner with everybody, become the industry standard, and change the world. Most of us know the public library as a place to get some free Wi-Fi, meet up with people for… Read more »