The Energizer Induction Charging System isn't the cheapest charging solution we've seen for the Wii, but it's certainly among the most carefree and easy to use.
As shown: $50
Check manufacturer's site for availability
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.
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.
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.