Fuji, Coulomb Partner on Fast-charge Network

uji Electric's 25 kilowatt CHADEMO DC Fast Charge station will become available in the U.S. later this year.

Published: 04-May-2012

Fuji Electric Corporation of America and Coulomb Technologies have announced a collaboration between the companies that will bring CHADEMO DC Fast Charging stations to Coulomb's ChargePoint network. This follows moves by Coulomb's competitors, such as 350Green and eVgo, to set up competing electric car fast charging networks, and could bring a sigh of relief to those who are reluctant to join multiple electric car charging networks.

CHADEMO DC Fast Charging is an example of what some call "level 3" electric car charging. It supports faster charging than level 1 (120 volt AC) or level 2 (240 volt AC through a J1772 charging connector), but technically the correct terminology is "DC Level 2" (according to the SAE). Where todays electric cars gain between 12 miles (on a 3.3 kilowatt charge rate) to 25 miles (on a 6.6 kilowatt charge rate) of range per hour of charging, CHADEMO fast charging can add 100 miles or more per hour of charging.

As a rule of thumb, the faster the charge rate the more useful is a given electric vehicle because fast charging enables driving the vehicle for more miles per day. Of the current crop of electric cars, only the Nissan Leaf and Mitsubishi i-MiEV supports the CHADEMO DC Fast Charge protocol. The other automakers are participating in standardization through a SAE committee of a competing DC Fast Charging system.


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