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.
Start-up opens DOE-funded pilot facility to make nanomaterials optimized for energy storage in ultracapacitors and batteries for hybrid vehicles or grid storage.
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.
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.
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.
AFS Trinity Power Corporation showed off its plug-in hybrid SUV, the XH-150, at the 2008 Detroit auto show.
In the technology race to build energy storage systems for start stop hybrids, Axion Power is pushing an advance on the workhorse lead-acid battery.
Already used in Europe, Ford's fuel-saving system turns off the gas engine when a car is idle to improve efficiency by up to 10 percent.