Fuji Heavy Speeds Up Electric CAr Recharging
Fuji Heavy Industries Ltd has a new technology that rapidly recharges its R1e electric car to 80% in about eight minutes, twice as fast as what it was before.
Fuji Heavy Industries Ltd is the manufacturer of Subaru.
R1e will be commercialized in 2010 and hopes are that the recharge time can be shortened even more…to about 5 minutes or nearly the same time as it takes to refuel a car at the gas pump.
The R1e runs off a set of 16 battery modules, each assembled from 12 lithium ion cells. Lithium ion batteries cannot withstand overcharging very well.
Consequently, the current must be reduced once a certain overall voltage is reached.
Fuji Heavy built a microcontroller into each battery module to monitor voltage at both terminals of each cell because some modules are slower to recharge than others.
The new rapid charger will allow recharging up to 90%…thus extending the range of one charge by 5 miles to 45 miles or so.
Would you like to drive an electric car?
Tags: 2991, 3202POSTED IN: Japanese Products
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