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GE, NRG venture buys into ultracapacitor storage

Ioxus lands $21 million investment from venture arms of large energy and transportation companies, which are evaluating ultracapacitors for a broader set of energy storage applications.

By April 13, 2011


Hybrid storage melds battery, ultracapacitor

Energy storage company Ioxus designs a hybrid gadget that combines the fast recharge of ultracapacitors with the greater energy storage of lithium-ion batteries.

By November 12, 2010


EnerG2 ultracapacitor plant eyes auto, grid storage

Start-up opens DOE-funded pilot facility to make nanomaterials optimized for energy storage in ultracapacitors and batteries for hybrid vehicles or grid storage.

By August 10, 2010


Ultracapacitors look to fit into energy storage

Batteries get all the attention when it comes to electric vehicles and grid storage, but ultracapacitor companies say the bursts of power they provide can play a role.

By September 29, 2009


Report: Energy storage market to double by 2015

Lux Research predicts batteries, fuel cells, and ultracapacitors for vehicles and smart grids will grow to a $44.4 billion market by 2015.

By March 31, 2010


Zenn boosts stake in EEStor's energy storage

Electric car maker is moving ahead with plans to use EEStor's ultracapacitors, which the latter claims--with some dispute--will yield an affordable car-battery pack.

By May 26, 2009


No one's going to kill this electric car

The HEMTT A3, by truck maker Oshkosh, uses electric motors to drive all eight wheels, a diesel engine and generator to make electricity, and ultracapacitors for quick energy storage and release.

By January 22, 2007