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ultracapacitor


REPORT: Zenn cancels plans for high-speed EV, will focus on supplying ZENNergy Drive components

According to reports from Reuters and GM-Volt.com, Zenn Motors has canceled plans to launch its cityZENN high-speed electric car and will slow down work on its low-speed EVs. According to Zenn Chief Executive Ian Clifford, the company will focus its efforts on becoming a supplier of ZENNergy Drive electric vehicle drivetrain components, which we assume will center around the EEStor energy storage system. Why the change in plans? Our decisions regarding cityZENN continue to evolve in response to advancements in electric vehicle deployment ... Read more →

EESTor update from ZENN CEO Ian Clifford; demonstrations coming in 2010 Sebastian Blanco

EEStor, the company behind the ultralight, ultra-efficient – and ultra secret – EEStor Electrical Energy Storage Units (EESU) that could change the electric car world, still isn't giving ...

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

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 ...

EEStor comes up with an Earth Day announcement - it's "a huge milestone" Sebastian Blanco

Delays, hype, and more delays. This is the short history of EEStor, the company that keeps on talking about what is supposed to be an ultracapacitor that reinvents electric drive vehicle energy ...

What is regenerative braking? Sebastian Blanco

Ah, fire. One of humanity's oldest ways to generate energy. Technically, you could generate energy by burning brake pads, as seen in the picture above (thanks, Flickr!), but automotive engineers have ...

EEStor and GM up a tree, t-a-l-k-i-n-g? [w/VIDEO] 9 months ago on Autoblog Green

Once again, the internetz are abuzz with rumors and speculation concerning EEStor. This time the hubbub concerns the exact nature of their relationship with General Motors. If you're the last person on the planet who hasn't heard of them, EEStor is a company headquartered in Austin, Texas that ...

EEStor gets patent for EESU, we get some details 10 months ago on Autoblog Green

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 that EEStor recently filed for patents of its new technology, which centers around a core of aluminum ...

Voting opens for X Prize's "Crazy Green Idea" videos 11 months ago on Autoblog Green

Back in September, the X Prize Foundation asked: "What's Your Crazy Green Idea?" 133 people answered the question with a video entry and the top three ideas - as selected by the Foundation - are now accepting your vote for the shot at a $25,000 award. The three videos are titled: "The Energy ...

Maxwell will bring BOOSTCAP line to public transportation expo 1 year ago on Autoblog Green

Let's see? Boostcap, Boostcap, Boostcap. Where have we heard this before? Ah, yes. Back in November 2006 we first heard about Maxwell Technologies' 125 volt ultracapacitor and we later learned about the heavy duty version (390 volts) for hybrid buses and how the ultracaps might go into Chinese ...

Kia considering ultra-capacitors for next fuel cell vehicle 1 year ago on Autoblog Green

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 can absorb and release energy much more quickly. Unfortunately, they don't have as much capacity and ...

EEStor makes production milestone announcement of sorts 1 year ago on Autoblog Green

Fictive Atlantean confused charge Following months of silence about the progress of its potentially world-changing energy storage device, the secretive Cedar Park, Texas-based firm, EEStor, has issued a press release announcing that it has reached key production milestones. One such marker for ...

Maxwell will supply ultracaps for Milan's electric buses 1 year ago on Autoblog Green

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 that the city of Milan, Italy will soon be using Maxwell's ultracap modules in its hybrid and electric ...

GM looking into supercaps with li-ion batteries for next-gen E-Flex 1 year ago on Autoblog Green

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 EVs. Green Car Congress says that GM is "actively exploring" at combining supercapacitors with ...

Most promising green technologies number four: ultracapacitors 1 year ago on Autoblog Green

While batteries make most of the headlines when it comes to the energy storage requirements of electric cars, the capacitor could be an exciting and viable alternative. Unlike batteries, which store chemical energy and make it available for use as electrical energy, capacitors store energy in the ...

Battery and ultracapacitor companies get their report cards 1 year ago on Autoblog Green

The most important part of an electric or hybrid vehicle is often said to be the battery. With all the breakthroughs in energy storage and the emergence of new companies, it can be a difficult field to keep up with. If you are a potential investor or just a curious onlooker you might be interested ...

New capacitor research could increase capacities by seven times 2 years ago on Autoblog Green

Researchers at North Carolina State University have developed a new type of capacitor which allows up to seven times the electrical storage potential as standard capacitors available today. The breakthrough apparently is a polymer called PVDF which can act as a high-performance dielectric, which is ...

EESTOR who? EPOD also working on vehicle ultracapacitor 2 years ago on Autoblog Green

There's been lots of speculation about the EESTOR ultracapacitor and just what kind of impact - if any - it will have on the hybrid and all-electric vehicle market. Just look below at the list of stories we've run in the past on the EESTOR and ZENN, which is the vehicle company the EESTORs are ...

Ecotality begins hydrogen fuel-cell ECObus tour of Arizona 2 years ago on Autoblog Green

Ecotality, who bill themselves as a researcher, inventor, developer, acquirer, and licensor of proprietary green energy technologies, has partnered up with the Arizona Public Services (APS) to produce the ECObus, a mobile classroom for promoting hydrogen technologies. The 31-seat, zero-emissions ...

Hybrid buses with ultra-capacitors roll out in California 2 years ago on Autoblog Green

Maxwell is already pushing out its newly-released Heavy Duty Transportation module (HTM) 390-volt Boostcap ultracapacitor to industrial and transportation markets including for use in a number of hybrid city buses being rolled out in California. The HTM 390 has been designed to provide scalable, ...

More on EEstor's ultracapacitor - can we believe the hype? 2 years ago on Autoblog Green

ZENN Motors vehicle at the EDTA Conference last November More details have emerged about EEStor's ambitious ultracapacitor electrochemical battery replacement technology. EEStor sees applications for their Electrical Energy Storage Units (EESU) in everything from hybrid-electric and pure-electric ...

Quick update on EEStor and ZENN Motors 2 years ago on Autoblog Green

If you have been following AutoblogGreen for a while, you are familiar with EEstor, Inc., a company that has been working on an ultracapacitor power source that has gotten a lot of press in green circles. ZENN Motor Company is reported to be getting first access to the technology, and as we ...

EDTA Conference: Secret effects of EESTOR ultracapacitor info from ZENN Motor CEO 2 years ago on Autoblog Green

At the end of the day yesterday, I snagged a few minutes with ZENN Motor Company CEO Ian Clifford by the EDTA Conference refreshments table and posed the question that Darin left in the comments when I asked what readers wanted to know more about: what's up with this secretive EESTOR ...

Ultra-Capacitors: Making electric hybrids more efficient 3 years ago on Autoblog Green

Automotive DesignLine reports on a hybrid bus design by ISE Corporation which incorporates ultra capacitors. What are these ultra capacitors, and why are they needed in a hybrid vehicle? Regenerative braking, the key to the increase in fuel economy of hybrids, allows a vehicle to recapture and store ...


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