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EEStor "permittivity" follow-up, by someone who knows (Daryl Siry)

Following EEStor's permittivity announcement on Earth Day last week, I wrote a post that ended with a call for our readers to determine if the stated "relative permittivity of 22,500" was a big deal or not. There were some educated responses (thank you), but one refrain that kept appearing was that everyone is waiting for a real and physical demonstration of the company's supposedly amazing ultracapacitor. "Until then," some of you wrote, "stfu EEStor." Our friend Darryl Siry, who knows a thing or two about massaging the green car press from ... Read more →

EEStor gets patent for EESU, we get some details Jeremy Korzeniewski

Stop the presses! We've finally got some real information regarding EEStor's highly secretive capacitor-based energy storage system, though it's not exactly coming from the company itself. It seems ...

Kia considering ultra-capacitors for next fuel cell vehicle Sam Abuelsamid

Kia is reportedly considering the use of ultra-capacitors to store electrical energy in the next generation version of its fuel cell vehicle. Ultra caps have an advantage over batteries in that they ...

Maxwell will supply ultracaps for Milan's electric buses Sebastian Blanco

About a year ago, Maxwell Technologies told the world about the Chinese government using its ultracapacitors in various official vehicles. Another July brings another announcement, and so we learn ...

GM looking into supercaps with li-ion batteries for next-gen E-Flex Sebastian Blanco

Like Indiana Jones and some sort of Ark or Tomb or Crystal Skull, today's automotive engineers are always looking for better ways to capture, store and release electrical energy for future hybrids and ...


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