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DoD Awards FuelCell Energy $1.5M to Continue Work on Electrochemical Hydrogen Separator

5 October 2009

The US Department of Defense’s (DoD) Engineer Research and Development Center - Construction Engineering Research Laboratory (ERDC-CERL) has awarded FuelCell Energy approximately $1.5 million to continue development of its electrochemical hydrogen separator (EHS). (Earlier post.) The EHS system separates pure hydrogen that can be used for industrial and transportation applications from gas internally generated in FuelCell Energy’s molten carbonate Direct Fuel Cell systems.

The EHS research contributes to the development of FuelCell Energy’s DFC-H2 product. The DFC-H2 integrates an EHS system with the company’s Direct FuelCell (DFC) power plant to produce electricity, heat and pure hydrogen. A DFC300 combined with an EHS would produce 300 kW of power, heat for combined heat and power applications, and up to 300 lbs. (136 kg) per day of hydrogen. If successful, this combination may produce hydrogen more economically than other methods.

Conventional methods of separating hydrogen rely on a complex separation step using mechanical compression. FuelCell Energy’s proprietary EHS technology has no moving parts and does not use compression, potentially offering higher reliability and efficiency, resulting in the need for only half the energy compared to conventional compression methods of producing hydrogen.

The $1.5 million ERDC-CERL program will span twenty months and will support the scale-up of the EHS technology and establish readiness for a field demonstration.

FuelCell Energy’s DFC fuel cells are generating power at more than 55 locations worldwide. The plants have generated more than 340 million kWh of power using a variety of fuels including renewable wastewater gas, biogas from beer and food processing, as well as natural gas and other hydrocarbon fuels.

The DFC stationary power plants use biofuels and fossil fuels more efficiently than the electric grid and other distributed generation their size. Their high efficiency results in low CO2 and, because they produce power without combustion, they produce near-zero nitrous oxides, sulfur oxides, and particulate matter.

October 5, 2009 in Brief | Permalink | Comments (2) | TrackBack (0)

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An interesting idea, but I had to go back to the other articles to find that this was not a perpetual motion machine being funded.

Hydrogen can be separated with high purity by various means. Heat is less expensive than electricity especially where there are fuel cells. Paladium foils can pass pure hydrogen at high temperatures.

Beta-(hydrogen)-alumina can also do the same. Heat can create high enough pressures to force the hydrogen through. Or electricity can do it. Or such a system can produce electricity in hydrogen thermal to electric converters similar to AMTEC devices. (alkali-metal thermal to electric converters) It could be a Brayton cycle engine without any moving parts.

I am highly convinced that the INNAS NOAX engine can operate at higher efficiencies than any engine of its size and weight if adapted to automobiles. It can also be used as a stationary engine with very high efficiency and operate with any fuel from methane to diesel and beyond. There is no doubt that a combined cycle unit can be made with higher efficiency yet.

Such units are far less expensive to build than fuel cells. ..HG..

It sounds like they are just recovering hydrogen. You put fuel in and the fuel cell creates electricity and some hydrogen, This is just a way of separating it for use.

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