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In contrast to indirect methanol fuel cells, where methanol is reacted to hydrogen by steam reforming, DMFCs use a methanol solution (usually around 1M, i.e. about 3% in mass) to carry the reactant into the cell; common operating temperatures are in the range 50 to 120 °C (122 to 248 °F), where high temperatures are usually pressurized.
Demonstration model of a direct methanol fuel cell (black layered cube) in its enclosure Scheme of a proton-conducting fuel cell. A fuel cell is an electrochemical cell that converts the chemical energy of a fuel (often hydrogen) and an oxidizing agent (often oxygen) [1] into electricity through a pair of redox reactions. [2]
For example methanol fueled HT-PEM fuel cells are used as replacement of generators (e.g. off-grid applications, backup power, emergency-power supply, auxiliary power unit) and for range extension of electric vehicles (e.g. sports car Gumpert Nathalie). Typically the HT-PEM fuel cell system is used in hybrid operation with a battery.
A proton exchange membrane fuel cell transforms the chemical energy liberated during the electrochemical reaction of hydrogen and oxygen to electrical energy, as opposed to the direct combustion of hydrogen and oxygen gases to produce thermal energy. A stream of hydrogen is delivered to the anode side of the MEA.
A solid oxide fuel cell (or SOFC) is an electrochemical conversion device that produces electricity directly from oxidizing a fuel. Fuel cells are characterized by their electrolyte material; the SOFC has a solid oxide or ceramic electrolyte. Advantages of this class of fuel cells include high combined heat and power efficiency, long-term ...
The Bloom Energy Server or Bloom Box is a solid oxide fuel cell (SOFC) power generator made by Bloom Energy, of Sunnyvale, California, that takes a variety of input fuels, including liquid or gaseous hydrocarbons [ 1 ] produced from biological sources, to produce electricity at or near the site where it will be used. [ 2 ][ 3 ] It withstands ...
A home fuel cell or a residential fuel cell is an electrochemical cell used for primary or backup power generation. They are similar to the larger industrial stationary fuel cells, but built on a smaller scale for residential use. These fuel cells are usually based on combined heat and power (CHP) or micro combined heat and power (m-CHP ...
Oorja Fuel Cells. Oorja Fuel Cells (Oorja Protonics Inc) is an energy company that designs, manufactures, and commercializes direct methanol fuel cells for use in the logistics, automotive, distributed generation (micro-grid), and telecommunication industries. Oorja develops direct methanol fuel cells ranging in power from 0.5 to 100 kilowatts.
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