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dual-carbon battery

Contributor(s): Matthew Haughn

Dual-carbon batteries are a new energy storage technology that uses a form of carbon for both the anode and the cathode.

Power Japan Plus, who developed the technology, says their dual-carbon batteries (brand-named Rayden) are mostly made of carbon and use a lithium compound rather than the typical volatile lithium oxide for the negative terminal and an organic electrolyte for the positive.

The batteries are 100% recyclable and are further being developed to use carbon produced with organically-grown cotton.  The batteries charge 20 times faster than lithium ion batteries, a capacity that would make electric vehicles more convenient for daily use.  That rate would make it possible, for example, to charge a Tesla S in 90 seconds rather than a half-hour for a long distance trip.

According to Power Japan Plus, dual-carbon batteries also:

  • Have 3000 charge cycles as compared to the 300 of lithium ion batteries.
  • Are free from thermal runaway, making the batteries safer in charging and discharging.
  • Don’t require cooling, saving power and complexity in many applications.
  • Include no rare earth metals, which enables a lower cost and better price stability.

See a video introduction to the dual-carbon battery:

This was last updated in May 2014

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