Let It Snow: Cold Weather No Problem for Ford Focus Electric’s Liquid-Heated Battery System | Ford Motor Company Newsroom

  • Ford’s use of an advanced active liquid-cooling and heating system to regulate the temperature of its lithium-ion battery packs in Focus Electric will provide customers in cold and snowy climates an advantage over the competition
  • The liquid-heated battery operates under a range of ambient temperatures, providing additional power, longer battery range and a preconditioned battery after charging
  • The all-new Focus Electric – the company’s first-ever all-electric passenger car – is a zero-emissions, gasoline-free version of Ford’s popular global Focus model

DEARBORN, Mich., March 1, 2011 – Cold temperatures and consistent snowfall can slow things down in the winter, but not the Ford Focus Electric. Thanks to the use of an advanced active liquid-heating system, the battery provides additional power, longer range and is preconditioned after charging – all in cold temperatures.

“Batteries are similar to people as they both achieve maximum performance working under moderate, unchanged temperatures,” said Sherif Marakby, Ford director of Electrification Programs and Engineering. “Using a liquid-heated battery system allows Ford to keep the Focus Electric’s battery at a moderate temperature and improve performance whether you are charging or driving in a cold climate.”

Extreme temperatures can affect battery performance and reduce the range of electric vehicles. The range will not be impacted as much with a liquid-heated system compared to an air system. That’s why Ford will use an advanced active liquid-cooling and heating system to regulate the temperature of its lithium-ion battery packs, which are designed to operate under a range of ambient conditions.

“A liquid-heated battery can accept a charge faster from the regenerative braking that recaptures kinetic energy and sends it back to the battery, essentially providing longer range for the customer in real world cold weather conditions,” said Marakby. “Additionally, since acceleration in an electric vehicle comes from the power available in the battery, the customer will have more power available if the battery is warmer.”

via Let It Snow: Cold Weather No Problem for Ford Focus Electric’s Liquid-Heated Battery System | Ford Motor Company Newsroom.


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