Tag: batteries

Sodium-Ion Cells for Cheap Energy Storage

By Kevin Bullis | 12/02/2009 | 4 Comments

DOE funds the development of low-cost sodium-ion batteries.

A 25-Year Battery

By Katherine Bourzac | 11/17/2009 | 0 Comments

Long-lived nuclear batteries powered by hydrogen isotopes are in testing for military applications.

More Energy in Batteries

By Katherine Bourzac | 11/06/2009 | 2 Comments

Nanowire anodes could let lithium-ion batteries run twice as long.

Betting on a Metal-Air Battery Breakthrough

By Tyler Hamilton | 11/05/2009 | 10 Comments

A government-funded start-up claims it can make ionic liquid energy storage feasible.

Ultracapacitor Startup Gets a Big Boost

By Erika Jonietz | 10/30/2009 | 1 Comment

An energy storage startup gets new government funding.

Longer-Running Electric-Car Batteries

By Katherine Bourzac | 09/23/2009 | 1 Comment

Silicon-nanotube electrodes may enable lithium-ion batteries to store 10 times more charge.

A Salt and Paper Battery

By Prachi Patel | 09/15/2009 | 1 Comment

The simple, non-polluting battery could be used in compact devices.

Capsules for Self-Healing Circuits

By Katherine Bourzac | 09/11/2009 | 0 Comments

Nanotube-filled capsules could restore conductivity to damaged electronics.

Waterproof Lithium-Air Batteries

By Katherine Bourzac | 06/26/2009 | 5 Comments

A California company's lithium metal-air batteries are lightweight and energy dense.

Better Lithium-ion Batteries

By Prachi Patel | 03/27/2009 | 5 Comments

A startup says its solid polymer electrolytes will mean cheaper, more-reliable batteries.

Realizing Lithium-Battery Potential

By Peter Fairley | 12/03/2008 | 5 Comments

Nanoporous silicon that soaks up ions without self-destructing can make better batteries.

Is GM's Volt Ready to Roll?

By Kevin Bullis | 09/18/2008 | 0 Comments

The production design is ready, but the electric vehicle's battery needs work.

Nanoflowers Improve Ultracapacitors

By Prachi Patel | 09/16/2008 | 7 Comments

A novel design could boost energy storage.

John McCain, Battery Booster

By Lauren Rugani | 06/25/2008 | 33 Comments

The senator's proposed $300 million prize for an electric-car battery prompts excitement, skepticism.

Building the Zero-Emissions City

By Kevin Bullis | 05/08/2008 | 16 Comments

A city being built in Abu Dhabi will serve as a large-scale test for renewable energy.