Ford Shows Vancouver Edge With Hy Series Drive, World’s FIrst Drivable Plug-In Fuel Cell Vehicle
The Ford Edge with HySeries Drive, the world’s first drivable fuel cell hybrid electric vehicle, hit the streets of Canada for the first time in Vancouver Wednesday as part of a trip to showcase the advanced research vehicle alongside its most technologically advanced production vehicle, the new hot-selling 2008 Ford Escape Hybrid.
The Ford Edge with HySeries Drive combines an onboard hydrogen fuel cell generator with lithium-ion batteries to deliver a combined city/highway gasoline equivalent fuel economy rating of 5.9 L/100km (41 mpg) with zero emissions. For those who drive less than 80 km (50 miles) each day, the average jumps to more than 3.0L /100 km (80 mpg).
It is built on a flexible powertrain architecture that will enable Ford to use new fuel and propulsion technologies as they develop without redesigning the vehicle.
The new HySeries Drive™ powertrain featured in a Ford Edge uses a real-world version of the powerplant envisioned in the Ford Airstream concept unveiled in January at the 2007 North American International Auto Show in Detroit. In late January, the Edge with HySeries Drive hit the road and has accumulated more than 8000 real-world km (5000 miles).
The plug-in hybrid is powered by a 336-volt lithium-ion battery pack at all times. The vehicle drives the first 40 km (25 miles) each day on stored electricity alone, after which the fuel cell begins operating to keep the battery pack charged. This provides another 320 km (200 miles) of range for a total of 360 km (225 miles) with zero emissions. Individual experiences will vary widely and can stretch out the time between fill-ups to more than 640 km (400 miles): drivers with modest daily needs would need to refuel only rarely, drivers who travel less than 80 km (50 miles) each day will see fuel economy well over 3.0 L /100 km (80 mpg), while those with long daily commutes will see somewhat lower numbers as the fuel cell must run a larger fraction of the time.
The Ford Edge with HySeries Drive can travel at speeds of up to 136 km/h (85 mph). An on-board charger (110/220 VAC) can refresh the battery pack when a standard home outlet is available, making the concept a true plug-in hybrid.
When the battery pack is depleted to approximately 40 percent, the hydrogen fuel cell – supplied by Ford partner Ballard – automatically turns on and begins generating electricity to recharge the batteries. Like a conventional automobile, the Ford Edge with HySeries Drive will go until it runs out of fuel – in this case via a 350-bar hydrogen tank that supplies 4.5 kg of useable hydrogen.
The HySeries Drive name is derived from the powertrain’s structure: a hydrogen fuel-cell-powered series hybrid drivetrain. This highly innovative approach reduces the size, weight, cost and complexity of a conventional fuel cell system by more than 50 percent. It also promises to more than double the lifetime of the fuel cell stack.
This flexible powertrain architecture enables the use of new fuel and propulsion technologies as they develop and become available without the need to redesign the vehicle and its control systems.
Certainly, many significant technical hurdles need to be overcome before a vehicle such as the Edge with HySeries Drive can become a reality. Fuel cell vehicles remain expensive, costing millions of dollars each. And the single biggest hurdle to plug-ins remains the cost of lithium-ion batteries. Much work also needs to be done to make fuel cells more durable and to create a hydrogen infrastructure.
Hydrogen Part of a Broader Effort At Ford
Research into hydrogen, including the Ford Edge with HySeries Drive, is part of Ford’s overall effort to address the challenges of climate change and energy independence. Ford is moving ahead with a range of technology solutions simultaneously, including vehicles such as the Ford Escape Hybrid and Mercury Mariner Hybrid, hydrogen fuel cells, hydrogen internal combustion engines, ethanol, clean diesel and refinements to gasoline fueled engines and advanced transmissions. Some of the technology, such as that seen in Ford’s lineup of hybrid vehicles, represents near-term approaches. Other technology, including hydrogen fell cells, must be viewed as a long-term option.
Ford began working on hydrogen technology in the early 1990s. Ford’s first hydrogen fuel cell vehicle, released in 2001, was based on a lightweight aluminum sedan body, which also was used in the development of the company’s first hydrogen-powered internal combustion engine.
The company currently has a fleet of 30 hydrogen-powered Focus fuel cell vehicles on the road as part of a worldwide, seven-city program to conduct real-world testing of fuel cell technology. The fleet has accumulated more than 800,000 km (500,000 miles) since its inception. With this fleet on the road, a great deal of information that can be integrated into future fuel cell vehicle propulsion systems is being generated in different local environmental conditions.
Having the fleet outside the confines of Ford Motor Company also has allowed the team to gain valuable feedback on servicing vehicles in the field. As a hydrogen infrastructure is developed and implemented for the fleet at each location, lessons learned are being generated to ensure that the customer and hydrogen fueling interface is seamless and customer friendly.
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