integration of solid oxide fuel cells and ... - Ea Energianalyse

1.4. SOFC
1.4.2 Topsoe Fuel Cell
Topsoe Fuel Cell (TOFC) (subsidiary company of Haldor Topsøe A/S)
has developed SOFC cells and stacks in corporation with Risø DTU since
1989. TOFC has a small scale production facility of SOFC cells and stacks
which are primarily use for development and demonstration purposes.
The business plan of TOFC is to be a subcontractor to fuel cell system
manufacturers (e.g. Wärtsilä in Finland and Dantherm in Denmark). The
product is a Topsoe PowerCore TM consisting of the fuel cell stack and
other high temperature components in a integrated unit. The focus will
be on three markets which are described in the following.
1.4.3 APU
The Auxiliary Power Unit (APU) is an alternative to small diesel
generators which supply electricity when the electricity grid is not
accessible. The present APU delivers 2,3kW e (electricity) with an
efficiency of 40%. Applications for APU’s include heavy duty trucks,
recreational vehicles and yachts. The most important advantages of a
fuel cell for this purpose are silent operation and high efficiency 6 [30].
1.4.4 Micro CHP
The micro Combined Heat and Power (µCHP) unit is an alternative to
traditional oil and gas burners for residential use. It presently has a
power output of 1kW e and an electrical efficiency of 45%. The overall
efficiency (electricity and heat) is 85%. Acceptable fuels are natural gas,
diesel, biogas, bio diesel and synthetic fuel [32].
1.4.5 DG
Distributed Generation (DG) means that power and heat is produced
close to the consumer. TOFC plans to offer a product in the range of 10-
250kW e (and higher) with an efficiency of 55%. The fuel can be natural
gas, bio gas and in the future bio fuels. Another benefit is the elimination
of NO x and SO x [31].
6 Compared to a large idling truck diesel engine.
7