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ultracapacitors


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 ...

Argonne project mixes lithium-ion batteries with ultracapacitors Xavier Navarro

A project developed at the Argonne National Laboratory for Science and Engineering Research could lead to better plug-in hybrids. The idea was to create a high power, high energy electrical storage ...

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? 6 months ago on Autoblog Green

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 managed to come up with a way to use brakes to generate energy without going up in flames. The ...

Paris tests a new hybrid bus that uses ultracapacitors 6 months ago on Autoblog Green

RATP, the public-owned company that manages most of Paris' public transport system, is currently performing tests using a hybrid bus outfitted with ultracapacitors. For now, the test buses are passenger-free. The model, called Lion's City Hybrid, is supplied by German manufacturer MAN and the ...

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 ...

Nissan's EV forays leading to wireless recharging? 12 months ago on Autoblog Green

OK, as we just posted, we know that Nissan is getting involved in large EV projects in Europe, Israel and Japan. Minoru Shinohara (pictured above with the Pivo 2 concept), senior vice president of the technology development department at Nissan said during the CEATEC Exhibition in Japan that Nissan ...

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 ...

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 ...

Ultracapacitors will be the next hot thing for hybrids 1 year ago on Autoblog Green

In a recent article in Popular Mechanics, editor Mike Allen declared himself a fan of ultracapacitors for hybrid cars. He explains how he visited Honda's development facilities 15 years ago and found himself testing a mild hybrid that used an ultracapacitor to store energy. However, we all know ...

The Charge of the Ultra - Capacitors 1 year ago on Autoblog Green

Last November's IEEE's Spectrum Magazine edition had a very interesting article by Joel Schindall, associate director of the Laboratory for Electromagnetic and Electronic Systems at MIT, about ultracapacitors and their possible applications in the automotive industry. Schindall is involved ...

AutoblogGreen Q&A: Jonathan Williams and the hydrogen minibus (EVS23 preview) 1 year ago on Autoblog Green

One of the technologies that will be covered at next week's EVS23 in Anaheim will be a prototype minibus that is powered by a tribrid system (that is, the bus uses hydrogen fuel cells, lead acid batteries and ultracapacitors). The bus project is managed by Jonathan Williams at the University of ...

Ultra-capacitor/li-ion battery "hybrids" being developed in China 1 year ago on Autoblog Green

When we're talking about the word "hybrid" in automotive circles, it doesn't always mean a gasoline engine with a powerful battery pack tied on. For Maxwell Technologies and Tianjin Lishen Battery, hybrid describes a new sort of energy storage product that combines ultracapacitors with lithium-ion ...

Problems at ZENN and EEStor? 2 years ago on Autoblog Green

Recently, I've noticed that we've had a few comments regarding the lack of announcements coming from ZENN Motors and EEStor regarding when we might see an actual product using their new energy storage technology. In fact, it was even mentioned by one person who visited a ZENN dealership that he ...

Zenn buys into ultra capacitor company EEStor 2 years ago on Autoblog Green

ZENN Motor Company has paid $2.5 million for a 3.8 percent equity stake in ultra capacitor developer EEStor. The deal means that ZENN gets an exclusive deal for EEStor's batteries for small and medium sized vehicles. EEStor is going to use the money to fund the next stage of testing of their ...

New 125-volt Boostcap ultracapacitor introduced by Maxwell Technologies 2 years ago on Autoblog Green

Even though Honda is dropping the ultracapacitor used in the current version of the FCX fuel cell car in the new FCX prototype, ultracapacitors have and will continue to play an important role in hybrid and hydrogen fuel cell vehicle technology. That's why it's cool news to see that Maxwell ...


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