In Pursuit of the Perfect Air Battery

Existing air batteries have only been made large enough to power hearing aids or similar devices, which is why Toyota is working to enlarge them.

Published: 30-Jul-2008

In recent years we've heard plenty about hydrogen fuel cells, bio fuels and even cars powered on wine and cheese, but what about a car battery that relies on fresh air for generating electricity?

Toyota's research department in Japan is currently investing heavily in so-called air batteries in an effort to replace the current generation of electric car batteries.

Storage potential


38 kg (88 lbs) micro streamliner reaches 122km/h (75mph) on 192 AA batteries.

The phosphate-based Epoch batteries are equipped with an advanced management system that will monitor and adjust cell performance.

The battery system was developed by CSIRO in Australia, built by the Furukawa Battery Company of Japan and tested in the United Kingdom through the American-based Advanced Lead-Acid Battery Consortium.


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