Abstract
Nitrogen-containing carbon materials from sustainable chemicals are of great interest for energy conversion technology. As a natural, nontoxic, biological and economical compound, riboflavin is promising for designing and producing nitrogen-containing carbon support materials for fuel cells. Herein, a novel carbon material is obtained by H2SO4 pre-carbonized and heat treatment steps from riboflavin (riboflavin-derived carbon, named as R-C), which is used as support to immobilize Pd nanoparticles (Pd/R-C). The results show that, compared with conventional Pd/C prepared from XC-72R support, the Pd/R-C catalyst exhibits larger electrochemically active surface area (EASA) and higher electrocatalytic activity and stability towards ethylene glycol oxidation (EGOR). The effects of temperature scan rates, ethylene glycol, and KOH concentrations on EGOR are also investigated, respectively.
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