Skip to Content

Cheaper Fuel Cells?

Many automotive researchers believe fuel-cell technology will whiz past batteries on the road to a practical electric vehicle. Fuel cells extract electricity from the reaction of hydrogen with oxygen and produce no nasty tailpipe pollution. Researchers at Oak Ridge National Laboratory are solving a problem that has kept fuel cells prohibitively expensive.

Today’s fuel cells typically rely on 200 or so slabs of precisely machined graphite electrodes costing about $10 apiece. Oak Ridge materials scientist Ted Besmann has shown that it is possible to make electrodes out of a carbon-fiber composite that costs about one-fifth as much. Besmann has fabricated 3. 8-centimeter-diameter electrodes from the composite and aims by year’s end to make larger samples for testing by automobile companies.

Keep Reading

Most Popular

This nanoparticle could be the key to a universal covid vaccine

Ending the covid pandemic might well require a vaccine that protects against any new strains. Researchers may have found a strategy that will work.

How do strong muscles keep your brain healthy?

There’s a robust molecular language being spoken between your muscles and your brain.

The 1,000 Chinese SpaceX engineers who never existed

LinkedIn users are being scammed of millions of dollars by fake connections posing as graduates of prestigious universities and employees at top tech companies.

Stay connected

Illustration by Rose Wong

Get the latest updates from
MIT Technology Review

Discover special offers, top stories, upcoming events, and more.

Thank you for submitting your email!

Explore more newsletters

It looks like something went wrong.

We’re having trouble saving your preferences. Try refreshing this page and updating them one more time. If you continue to get this message, reach out to us at customer-service@technologyreview.com with a list of newsletters you’d like to receive.