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Title of Dissertation

"Novel Method of Preparation of Catalyst carrier for Low Temperature Fuel Cells"

 

Fuel Cell How it Works?

 

Laboratory Testing Station

 

Fuel Cell

 

Guide Dr. S Dheenadayalan
Sr. Scientist, Batteries & Fuel Cells
Central Electrochemical Research Institute (CECRI), Karaikuidi, Tamil Nadu, South India.
Co-Guide Dr. Y.Jagannadha Rao
Visiting Professor, Dept of Chemical Engg., SIT, Tumkur, Karnataka St. South India.
Institute Central Electrochemical Research Institute (CECRI), Karaikuidi, TamilNadu, South India.
About the dissertation A piece of research work has been carried out to enhance the performance of catalyst in Low Temperature Fuel Cells
Synopsis

The thesis entitled, " Novel Method of Preparation of Catalyst Carrier for Low Temperature Fuel Cells " aims to experiment a novel method of preparation of catalyst carrier in order to increase the electrode performance of Low Temperature Fuel Cells by giving a better catalytic distribution on this carrier. Combustion synthesis/Pyrolysis method is adopted for the preparation of this catalyst carrier by choosing different sources of natural and synthetic precursors. The pyrolysis temperatures were optimized for these precursors by considering their physico-chemical properties as well as the physical observation of the synthesis. This thesis is organized in two sections, one is the preparation of catalyst carrier and the second is the characterization of these catalyst  carriers with different optical and electro-chemical studies.

It has been found that the catalyst carrier prepared by this method is most suitable for the catalyst loading. Nano size catalyst particle could be prepared by this in-situ method, so that the amount of platinum needed for the required cell area can be reduced. A study has been made on the physico-chemical properties of the catalyst carrier with the conclusion that the structural and chemical changes just before the combustion/decomposition reaction plays an important role in deciding the yield and particle size of the product carbon. This method of preparation is unique and enables one to circumvent most of the problems associated with the conventional method of preparation of catalyst carrier.

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