1. HySA Infrastructure Centre of Competence, Energy Centre
2. Council for Scientific and Industrial Research (CSIR)
3. Pretoria 0001
4. South Africa
5. Faculty of Natural Science
6. School of Chemistry
7. University of Nottingham
8. University Park
9. Nottingham
10. UK
11. Mechanical Engineering Science Department
12. University of the Western Cape
13. Cape Town 7535