2012 Ford Focus Electric will use liquid-cooled battery system

Article by Christian Andrei, on September 3, 2010

The Ford Focus Electric, the carmaker's first passenger electric vehicle, will feature a lithium-ion battery pack that will use heated and cooled liquid to prevent overheating batteries.

This liquid works by keeping the heat level to a minimum; hence, it increases both the range and life span of the pack. Ford claims that this system permits the battery to react to the changes in the external temperature.

When the outside temperature is high, the heat from the batteries is absorbed by the cold liquid and dispersed through a radiator. A loop is created as the liquid is pumped right back through the chiller. But when the outside temperature is low, the liquid warms the batteries so that it can continue to operate at its optimum capacity.

Anand Sankaran, Ford executive technical leader, Energy Storage and HV Systems, said that it is essential to have an “effective cooling and heating system to regulate temperature” since extreme temperatures affect a battery’s life and performance. The system has more to offer though. Recharging is improved greatly.

If the car is plugged in, the control system will precondition the battery for the optimal temperature before receiving the charge. But if the battery is already at the optimal temperature, the system will instantly accept charge and keep an optimal temperature.

The other Jaguar Academy Ambassadors include Jamie Baulch, Tasha Danvers, Jessica Ennis, Mark Foster, Steven Gerrard, Sir Chris Hoy, Colin Jackson, Dave Roberts, Michael Vaughan, Lee Westwood, Rio Ferdinand and Shane Williams.

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