High Performance Pd-CeO2-NR supported on graphene and N-doped graphene for the ORR and its Application in a Microbial Fuel Cell

被引：10
作者：
Carrillo-Rodriguez, J. C. [1 ]
Garcia-Mayagoitia, S. [1 ]
Perez-Hernandez, R. [2 ]
Ochoa-Lara, M. T. [3 ]
Espinosa-Magana, F. [3 ]
Fernandez-Luqeno, F. [1 ]
Alonso-Lemus, I. L. [4 ]
Rodriguez-Varela, F. J. [1 ]
机构：
[1] Cinvestav Unidad Saltillo, Sustentabilidad Recursos Nat & Energia, Ave Ind Met 1062, Ramos Arizpe, Coahuila, Mexico
[2] Inst Nacl Invest Nucl, Carr Mexico Toluca S-N La Marquesa, Ocoyoacac 52750, Edo De Mexico, Mexico
[3] Ctr Invest Mat Avanzados, Miguel de Cervantes 120,Complejo Ind Chihuahua, Chihuahua, Mexico
[4] Cinvestav Unidad Saltillo, Sustentabilidad Recursos Nat & Energia, CONACYT, Ramos Arizpe, Coahuila, Mexico
来源：
SELECTED PROCEEDINGS FROM THE 231ST ECS MEETING | 2017年 / 77卷 / 11期
关键词：
OXYGEN REDUCTION REACTION; CARBON NANOTUBES; ALKALINE MEDIA; CATALYST; ELECTROCATALYSTS; ALLOY; PD; OXIDATION; OXIDE; NANORODS;
D O I：
10.1149/07711.1359ecst
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
In this work, novel electrocatalysts based on Pd and cerium oxide nanorods (CeO2-NR) were synthesized by the NaBH4 method. Moreover, home-obtained graphene (G) and N-doped graphene (Gm) were used as supports. The cathodes were identified as Pd-CeO2-NR/G, Pd-CeO2-NR/G(D1). The electrocatalysts showed higher catalytic activity for the Oxygen Reduction Reaction (ORR) than Pd/C and comparable to Pd-CeO2-NR/C (supported on Vulcan) in 0.5 mol L-1. In the dual-chamber MFC, the anode substrate was actual pharmaceutical residual water (PRW) from a local company, while KOH (pH = 9.6) was the electrolyte in the cathode compartment. Pd-CeO2-NR/G(D1) showed a higher performance as cathode in the cell compared to Pd/C and commercial Pt/C, delivering an open circuit voltage of 0.26 V and a maximum power density of 12.47 mW m(-2). Thus, this novel electrocatalyst based on CeO2-NR and G(D1) is a promising alternative to increase the performance of MFCs.
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页码：1359 / 1365
页数：7
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