Energy storage became a dominant factor in economic development with widespread introduction of electricity. An early solution to the problem of storing energy for electrical purposes was the development of the battery, electrochemical storage device Fuel cells. Unlike battery which gradually loses its ability to make electricity from the chemicals inside it, a fuel cell converts chemicals into electricity from a continuous supply of fuel outside. Fuel cells are cheaper than other electrochemical devices like Butteries. Recent development focuses on Polymer Electrolyte Fuel cells (PEFC) to overcome basic drawbacks of liquid electrolytes such as corrosion, electrolyte leakage, and low operating temperature range. PEFCs use a polymeric membrane as an Electrolyte such as Nafion 117 polymer which is costly. The cost is still limiting its wide application in the electrochemical devices. The scope of this book is to synthesis and characterizes low cost polymer membrane for fuel cells, proton batteries.

K.P.Radha, M.Sc., M.Phil., Controller of Examinations Cum Associate Professor Of Physics in S.F.R College for Women,Sivakasi. Served as N.S.S Programme Officer for 3 years. Published International publications - 1 paper,1 Book, 8 research papers. 3 research papers in the National seminars. 2 National Publications.Recevied MRP& 100% Travel Grant-UGC

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