By D. R. Hardy, B. B. Rath, B. G. Hurdle, H. W. Carhart, T. Coffey, F. E. Saalfeld
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Educate key target audiences on hydrogen G. Reduce cost–vehicle fuel cell power systems H. Increase electrical efficiency of stationary fuel cell systems (natural gas) I. 00/gge by 2008 National plan under review TBD Draft technical specifications by 2007 5% increase by 2008 $250/kW $45/kW by 2010 <30% >40% by 2010 1000 hours durability 2000 hours durability by 2008 Robert Williams (Princeton Environmental Institute) discussed hydrogen production technologies and strategies for large-scale centralized hydrogen production for the long term, which he defined as beyond 2020 or 2030.
Methane hydrate exists in several forms in marine sediments. In coarse-grained sediments it often forms as disseminated grains and pore fillings, whereas in finer silt/clay deposits it commonly appears as nodules and veins. Gas hydrate also is observed as surface crusts on the sea floor. Gas hydrate forms wherever appropriate physical conditions exist, such as moderately low temperature and moderately high pressure. These conditions are found in the deep sea commonly at water depths greater than about 500 m or somewhat shallower depths (about 300 m) in the Arctic, where bottom-water temperature is colder.
The fiscal year 2004 29 request includes collaboration between the Offices of Fossil Fuel, Nuclear Energy, Science and Technology, and Energy Efficiency and Renewable Energy on cost-shared hydrogen production. The Office of Fossil Energy will make a $5M investment in coalrelated technologies that addresses the separation of pure hydrogen from synthetic gas. These technologies are also believed to be applicable to biomass feedstock. 2M investment aimed at developing small distributed systems that will use natural gas as the feedstock to produce hydrogen.