Find out everything there is to know about Fuel Cells. Get your doubts and queries answerd by the global Fuel Cells community - (4)
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Sreejas147 posted a question What is the mechanism of action of enzymatic biofuel cells? 1 year ago
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Genuinely speaking, the only easiest thing about hydrogen energy is asking questions. Giving a satisfactory answer or giving a practically applicable answer if far from reality. Hydrogen storage is the goal of hydrogen economy and listing out a realistic strategy in this small Q&A section is not very easy.
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Low-temperature or first-generation fuel cells are alkaline fuel cells, solid polymer fuel cell and phosphoric acid fuel cells while high-temperature or second-generation are molten carbonate fuel cell and solid oxide fuel cell. Low temperature cells have been commercially demonstrated, but are restricted in their fuel supply and are not readily integrated into combined heat and power applications. The high-temperature cells can use a wide variety of fuels through internal reforming techniques, have a high efficiency, and can be integrated into combined heat and power systems.
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Dissimilatory metal-reducing microorganisms, such as Geobacter and Rhodoferax species, have the ability to directly transfer electrons and hence could be employed for development of microbial fuel cells. These organisms gain energy by utilizing metal oxides resulting in conversion of chemical energy into electrical energy. The electrons released by catalytic activity of the microbe are used for clean energy generation with clean water as the only by product. MFCs are widely used in wastewater treatment plants, where the bacteria would consume waste material from the water and produce supplementary power for the plant
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Srividhya 1 year ago
Answer this question / Share a linkAn Enzymatic Biofuel Cell is a specific type of fuel cell which uses biocatalysts to convert energy stored within chemicals into electrical energy. Enzymes are used to catalytically oxidise the fuel at the anode and reduce the ensuing oxidant at the cathode. The specificity of the enzyme reactions at the anode and cathode electrodes of an enzymatic fuel cell eliminates the need for other components required for conventional fuel cells, such as a case and membrane. To date, no commercial enzymatic biofuel cell exists, mainly due to poor stability and power output.