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Technology Stocks : Ballard Power -world leader zero-emission PEM fuel cells -- Ignore unavailable to you. Want to Upgrade?


To: Al Collard who wrote (5479)10/3/2001 10:50:44 AM
From: CH4  Read Replies (1) | Respond to of 5827
 
GM'S NEW FUEL CELL PACKS 60% MORE POWER ( Source: Eye for Fuel Cells, 20 September 2001)

General Motors used a technical conference in London Thursday to
unveil its latest fuel cell stack that claims to set a new world standard for
power density. The prototype stack packs 60 percent more power than
any competitor's model.

The new fuel cell has a continuous power output of 102kW with a size of
58 liters, giving it a new power density record of 1.76 kW per liter. The
highest power density announced by any other fuel cell manufacturer to
date is 1.1 kW per liter by Ballard Power Systems, according to GM
scientists. The engineers mention that reducing the size and weight of the
fuel cell stack while maintaining or improving its power output is important
for packaging, design and affordability.

As with GM's previous fuel cells, the membrane at the core of each cell in
the new stack does not need external moisture to maintain its efficiency.
This is accomplished with a unique and proprietary method of water
management inside the stack. Most other fuel cells in this power range
require auxiliary humidification to properly function. The new stack also
boasts excellent cold start performance: full power in 30 seconds at minus
4 degrees Fahrenheit.

General Motors recently unwrapped its fuel cell strategy aimed at
placing one million fuel cell vehicles on the road by the end of this
decade. The company has said it will conduct a pilot program and will
place FCVs in the field in fleet applications in order to develop the
technology. General Motors hastened to add that it would not
subsidize costly fuel cell technology to make it competitive with
internal combustion technology.

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