Nano Science and Technology Institute
Nanotech 2003 Vol. 3
Nanotech 2003 Vol. 3
Technical Proceedings of the 2003 Nanotechnology Conference and Trade Show, Volume 3
Chapter 11: Fuel Cells

Carbon Supported Pt Nanomaterials for Fuel Cell Applications Using Combustion Chemical Vapor Condensation

Authors:R. Breitkopf, J. Hwang, F. Maniei and A. Hunt
Affilation:MicroCoating Technologies, US
Pages:490 - 492
Keywords:fuel cell, nanocomposite, electrocatalyst
Abstract:PEM Fuel cells have enormous promise as the power source for next generation vehicles. Several missing pieces exist with state of the art technology that prevent immediate implementation due to cost constraints. One large cost contributor is the generation of pure hydrogen which has prompted exploration into reformate fuels. The major problem in reformate fuel systems is power loss due to carbon monoxide poisoning of the platinum surface, hence the interest in alternative Pt-Ru alloy based catalysts (1). Since our CCVD process can directly make both the electrocatalyst and electrode on gas-diffusion layer or membrane substrate in one step, we obviate the need to use catalyst ink and coat electrodes. This reduction in process steps to form the electrocatalyst layer can greatly reduce the processing costs and increase the production throughput with our simple, low-cost CCVD process. We have demonstrated the ability to make Pt and Ru containing electrocatalyst layers using our CCVD technology that has similar performance to commercially available Etek PtRu materials. Half cell slow sweep ignition potential data for samples on gas diffusion electrode substrates demonstrate improvements in CO tolerance when compared to commercial Etek materials.
Carbon Supported Pt Nanomaterials for Fuel Cell Applications Using Combustion Chemical Vapor CondensationView PDF of paper
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