期刊
FUEL
卷 251, 期 -, 页码 91-97出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2019.04.040
关键词
Polyaniline; Graphitic carbon nitride; Palladium nanoparticles; Screen-printed electrode; Methanol electro-oxidation; Direct methanol fuel cell
资金
- Ministry of Science and Technology-Taiwan [107-2113-M-037-007-MY2]
- Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan from The Featured Areas Research Center Program within the Ministry of Education (MOE) in Taiwan
- NSYSU-KMU collaboration research project-Taiwan [NSYSU-KMU 107-I004]
In this work, we report a simple one-step preparation of a novel graphitic carbon nitride/Polyaniline/Palladium nanoparticles (g-C3N4/PANI/PdNPs) based nanohybrid composite modified screen-printed electrode (SPE) for the efficient electro-oxidation reaction of methanol. g-C3N4/PANI/PdNPs nanohybrid structure was achieved by a single-step simultaneous electro-deposition method with an electrolyte solution containing palladium chloride, aniline, and g-C3N4 nanosheets. Structural and morphological characterizations depicted that the needle-shaped PANI and spherical shaped Pd NPs were deposited between g-C3N4 nanomatrix. The electrocatalytic behavior of the as-prepared nanohybrid composite modified SPE was assessed using cyclic voltammograms and chronoamperometric method, and it showed superior electro-oxidation and excellent catalytic performance over methanol oxidation compared to commercial 10% palladium loaded carbon black material and other previously reported electrode materials. These outcomes proved that the newly developed nanohybrid composite could be used as a potential electrocatalyst material for the direct methanol fuel cell applications.
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