Subscribe now

Life

I'm breeding biodegradable batteries from viruses

Biological engineer Angela Belcher is genetically modifying viruses to create batteries that can be recharged thousands of times and then decay harmlessly

By Katia Moskvitch

26 February 2014

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

“We hope to use viruses to power everyday electronics – and the cars of the future”

(Image: Bob O’Connor)

You’re making batteries using viruses – don’t they normally make us sick?
When people think of viruses, the flu often comes to mind. But there are also viruses everywhere, from in the ocean to inside the gut, that infect bacteria. Those are not harmful to humans. Viruses are basically genetic material with a protein coat. They need a host so they can use its molecular machinery to make copies of themselves.

The main virus I work with has a single strand of DNA…

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up

To continue reading, subscribe today with our introductory offers

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop