Synthesis And Characterisation Of Polyaniline (PAni) Membranes For Fuel Cell

Franco D.R. Amado*1,2, Satheesh Krishnamurthy2

1PROCIMM, State University of Santa Cruz, Rodovia Jorge Amado, km 16, Ilhéus - Bahia - Brasil

2Materials Engineering, Department of Engineering and Innovation, The Open Universit,Milton Keynes, MK7 6AA, United Kingdom  

Adv. Mater. Lett., 2016, 7 (9), pp 719-722

DOI: 10.5185/amlett.2016.6127

Publication Date (Web): Jul 09, 2016

E-mail: fdramado@uesc.br

Abstract


Over the past decade or so, alternative energy plays a pivotal role in addressing challenges posed by nature. Polymer electrolyte membrane fuel cell is one of the promising alternative energy and there has been significant research and technological investments done in this field. The key information and future prospective of the field is energy conversion and storage, both of which are essential in order to meet the challenges of global warming and the limited fossil fuel supply. However, polymer membrane in particular plays a crucial role in advancing this technology further. The utilization of conducting polymers in manufacturing membranes combining their electrochemical properties along with mechanical properties is of primary importance to enhance the efficiency of this system. In the present study blends of high impact polystyrene (HIPS) and polyaniline (PAni) were obtained with the aim of producing membranes for fuel cell. HIPS and PAni were dissolved in tetrachloroethylene, a common solvent for both materials. After dissolution, PAni was dispersed in an HIPS polymeric matrix. The membranes were molded on to glass plates using a laminator to keep thickness constant, and the solvent evaporated slowly for 24 h under room temperature. The amount of polyaniline used was 10 and 20 % weight. The electronic and structural properties were carried out using X-ray photoelectron spectroscopy (XPS), Thermogravimetric Analysis (TGA) Raman spectroscopy, Scanning electronic microscopic (SEM). The analysis indicate that PAni incorporation and its dispersion into the polymeric matrix modifies the membranes properties and show improvement in efficiency.

Keywords

HIPS, fuel cell, membranes, polyaniline, properties.

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