Hydrogen and Fuel Cell Technologies at the Hydrogen South Africa (HySA) Systems Competence Centre: Technological achievements and breakthroughs with emphasis on platinum group metals beneficiation work to date under the HySA Systems Initiative

The Hydrogen South Africa (HySA) programme is based upon the beneficiation of South Africa’s large platinum group metal (pgm) resources. The present article summarises some of the progress by HySA Systems, one of the three Competence Centres under the HySA Programme, since 2008. Work has been carrie...

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Bibliographic Details
Published in:Johnson Matthey technology review 2014-04, Vol.58 (2), p.68-81
Main Authors: Pollet, Bruno G., Pasupathi, Sivakumar, Swart, Gerhard, Lototskyy, Mykhaylo, Williams, Mario, Bujlo, Piotr, Ji, Shan, Linkov, Vladimir, Bladergroen, Bernard J.
Format: Article
Language:English
Subjects:
Applications programs
Cogeneration
Fuel cells
High temperature
Hydrogen
Hydrogen storage
Hydrogen storage materials
Membrane reactors
Metal hydrides
Metal-organic frameworks
Mobile computing
Natural gas
Nuclear fuels
Palladium
Platinum metals
Proton exchange membrane fuel cells
Storage capacity
Weight reduction
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Summary:The Hydrogen South Africa (HySA) programme is based upon the beneficiation of South Africa’s large platinum group metal (pgm) resources. The present article summarises some of the progress by HySA Systems, one of the three Competence Centres under the HySA Programme, since 2008. Work has been carried out on membrane electrode assembly and stack development for high-temperature proton exchange membrane fuel cells (HT-PEMFCs) for use in combined heat and power (CHP) supplied by natural gas and hydrogen fuelled vehicle (HFV) applications. The emphasis is on improved carbon monoxide tolerance and simplified heat and humidity management, allowing simpler fuel cell systems to be designed. Metal hydrides modified with palladium are being explored as poisoning-tolerant hydrogen storage materials for stationary and special mobile applications, and metal organic frameworks (MOFs) modified with platinum as light-weight hydrogen storage with a high hydrogen storage capacity. Lastly research into hydrogen purification using Pd membrane reactors is focused on membrane support synthesis, hollow fibre seeding and development of the plating procedure.
ISSN:0032-1400
2056-5135
DOI:10.1595/147106714X679287