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Monday 16 September 2013

Water And Fuel Cells

Electrolysis of Water and how Hydrogen give notice Cells work chemical replys are employ in a wide medley of technologies and sidereal day to day activities. Electrolysis of urine involves the decomposition of pretend into atomic number 1 gas and group O gas. 2 H2O(l)2 H2(g) + O2(g) This is done apply electrodes (cathodes and anodes) which splits the water molecules using the substantiatingly and negatively charged properties of the henry and oxygen. Electrolysis of fresh water is very slow, pure water has an galvanising conductivity slightly one millionth that of seawater. However the electrolysis cognitive operation can be animate up with the addition of a salt, acid or base. The around common way for energy to be released and utilised in a atomic number 1 fuel jail cell, is through the conflagration of enthalpy molecules in the presence of oxygen. 2 H2(g) + O2(g)2 H2O(l) This is achieved by several paradees; Proton supplant Membran e (PEM) kindle Cells Solid Oxide provoke Cells Alkaline Fuel Cells Regenerative Fuel Cells The basics of each process are essentially the same, the electrons of hydrogen are channelled through an electrical set powering an object, hydrogen is hence reacted with oxygen to create water molecules. A PEM Fuel Cell is the most available hydrogen fuel cell to use.
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A PEM Fuel Cell consists of quad main split; 1.Anode: the negative post which conducts freed hydrogen electrons to the circuit. 2.Cathode: the official post conducting electrons to the catalyst. 3.Catalyst: a special material designed to create a reaction between the reactants, hydrogen and oxygen.! 4.Electrolyte: is a proton exchange membrane conducting positive ions while blocking electrons. The process begins when hydrogen gas (H2) is delivered to the anode, a catalyst separates the hydrogen proton from the electron, the straight positively charged hydrogen ion passes through the membrane, the electron is then forced into an electrical circuit powering it. The electrical circuit conducts...If you penury to get a near essay, order it on our website: OrderCustomPaper.com

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