[1] Univ Kebangsaan Malaysia, Fuel Cell Inst SELFUEL, Solar Hydrogen Grp, Ukm Bangi 43600, Selangor, Malaysia
[2] Univ Kebangsaan Malaysia, SERI, Ukm Bangi 43600, Selangor, Malaysia
[3] Univ Putra Malaysia, Fac Sci, Dept Chem, Upm Serdang 43600, Selangor, Malaysia
[4] Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Sustainable Construct Mat & Bldg Syst SUCOMBS Res, Ukm Bangi 43600, Malaysia
[5] Univ Teknol Malaysia, Fac Chem & Energy Engn, Adv Membrane Technol Res Ctr, Skudai 81310, Johor Bahru, Malaysia