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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.
EnerG2 opens a plant to make an engineered carbon that will improve performance of energy storage devices and make storage for start-stop hybrid cars less expensive.
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.
Maxwell Technologies will use the money to develop a long-lasting portable energy-storage device for soldiers to charge and manage electronics in the field.
New materials built on carbon's many forms will function as building blocks for cleaner batteries, water, and air. EnerG2 CTO Aaron Feaver outlines the green-tech opportunities.