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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.
Energy storage company Ioxus designs a hybrid gadget that combines the fast recharge of ultracapacitors with the greater energy storage of lithium-ion batteries.
Start-up opens DOE-funded pilot facility to make nanomaterials optimized for energy storage in ultracapacitors and batteries for hybrid vehicles or grid 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.
Lux Research predicts batteries, fuel cells, and ultracapacitors for vehicles and smart grids will grow to a $44.4 billion market by 2015.
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.
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.