Biogas Powered Hydrogen Fuel Cells for House Vehicle and Businesses

Viessmann has already brought to market, a fuel cell combi-boiler for domestic energy supply.

Biogas Fuel Cells are more efficient energy producers than electrical generators by quite a wide margin. That fact alone gives innovators a winning reason to develop such fuel cells so that they become a consumer product just like any other product.

The Vitovalor 300-P, power-generating fuel cell, the heating appliance is available for detached and semi-detached homes. It generates power and heat simultaneously, using a fuel cell. Output: 750 Wel, 1 to 26 kWth. The heat generated as a by-product of power generation in a combi-boiler is used for central heating and DHW heating to save costs.

The heat generated as a by-product of power generation in a combi-boiler is used for central heating and DHW heating to save costs.

The VITOVALOR 300-P can be operated with natural gas or bio natural gas hydrogen. The combustion gas supplied flows through a reformer built into the unit, which uses a catalyst to convert it into hydrogen in a two-stage reaction.

The first stage of the conversion process produces a mixture of hydrogen and carbon monoxide. In the second, downstream gas cleaning process, carbon monoxide is converted to carbon dioxide. Zero-emissions, grid independence and fuel flexibility are what is driving growth in the biogas-powered fuel cell market.

Biogas-powered fuel cells hold great promise for their ability to, transform waste streams directly into electricity, with zero emissions.

For facilities that are flaring biogas for electricity or powering a combustion-engine generator, fuel cells produce more electricity per unit of biogas with zero emissions, said Tony Leo of FuelCellEnergy.

A fuel cell is basically electrolyte material, sandwiched between positive and negative electrodes, that utilizes chemical reactions, rather than combustion, to produce energy. To generate electricity, outside air flows through piping. Upon contact with a negatively charged cathode, oxygen atoms acquire extra electrons.

The oxygen ions travel to the positively charged anode, where they react with the hydrogen in the fuel, shedding extra electrons that travel out of the fuel cell as electricity.

Fuel cells, in general, have practically zero criteria pollutants, such as carbon monoxide and particulate matter. Said Mike Penev.

This has made fuel cells more popular in heavy population areas in California and the US Northeast, where more of the non-attainment areas exist. Biogas producers may want to look into the costs of upgrading the biogas into hydrogen fuel for automobiles. Fuel-cell powered cars are now available!

Sources: Biomass Magazine 2013, http://biomassmagazine.com/articles/9... , Viessmann, and WIKIPEDIA. Help promote biogas production!


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