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Electro-deposition of Pd on Carbon paper and Ni foam via surface limited redox-replacement reaction for oxygen reduction reaction: Presentation

Author: Modibedi, Remegia M ; Louw, E ; Mathe, Mahlanyane K ; Ozoemena, K Date: Mar 2013 Fuel cells continue to be investigated as alternative energy source because of the high energy demand worldwide. The electrocatalytic reduction of oxygen is of great importance in fuel cells and sensors. Noble metals have proved to be the ... Read more
Electrodeposition of Pd based binary catalysts on Carbon paper via surface limited redox-replacement reaction for oxygen reduction reaction

Author: Modibedi, Remegia M ; Mathe, Mahlanyane K ; Motsoeneng, RG ; Khotseng, LE ; Ozoemena, KI Date: May 2014 Direct alcohol fuel cells (DAFCs) continue to extensive attention as potential power sources for portable and stationary applications. The oxygen reduction reaction (ORR) involving the four electron transfer remains a challenge for DAFCs due ... Read more
Fuel cell activities at the CSIR: Presentation

Author: Modibedi, Remegia M Date: Mar 2013 Fuel cells continue to be investigated as alternative energy source because of the high energy demand worldwide. Research activities worldwide are focussed on improving the performance of the catalysts, support material, membrane, MEA ... Read more
Fuel cell catalysts and membrane development at the CSIR: Presentation

Author: Modibedi, Remegia M Date: Jul 2013 Fuel cells continue to be investigated as alternative energy source because of the high energy demand worldwide. Research activities worldwide are focussed on improving the performance of the catalysts, support material, membrane, MEA ... Read more
Palladium-based nanocatalysts for alcohol electrooxidation in alkaline media

Author: Modibedi, Remegia M ; Ozoemena, KI ; Mathe, Mahlanyane K Date: 2013 Direct alcohol alkaline fuel cells (DAAFCs) are potential power sources for a variety of portable applications as they provide unique advantages over hydrogen-based fuel cell devices. Alcohols (such as methanol, ethanol, ethylene glycol, and ... Read more
Ruthenium supported on nitrogen-doped carbon nanotubes for the oxygen reduction reaction in alkaline electrolyte; Poster

Author: Mabena, LF ; Modibedi, Remegia M ; Ray, Suprakas S ; Coville, NJ Date: Jul 2012 The oxygen reduction reaction (ORR) at the cathode of fuel cells plays an important role in controlling the performance of a fuel cell but the poor kinetics of the ORR hinders this performance. Currently platinum-based metals are the best ... Read more
The upgraded performance of the NiFe2O4 /C electrocatalyst using Co substitution for the oxygen reduction reaction in an alkaline solution

Author: Matseke, Mphoma S ; Luo, Hongze ; Wen, L ; Zheng, Haito Date: Jun 2022 NiFe2O4 is one of the most abundant and inexpensive spinels; however, its activity toward the oxygen reduction reaction (ORR) is relatively low. For the first time, Co-substituted Fe partly of the NiFe2O4 electrocatalyst was studied to improve ... Read more

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Browsing by Subject "ORR"

Browsing by Subject "ORR"

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