NDLI: China rose-derived tri-heteroatom co-doped porous carbon as an efficient electrocatalysts for oxygen reduction reaction

Content Provider	Royal Society of Chemistry (RSC)
Author	Zhu, Ying Xiao, Zhen Shi, Minhao Jiang, Lei Gao, Xiaoyu Xiao, Guozheng Ren, Guangyuan
Copyright Year	2016
Abstract	Developing Pt replacement catalysts for the cathode oxygen reduction reaction (ORR) is crucial for the application of energy conversion technology. Here, the N, O and S tri-heteroatom-doped, hierarchically porous carbon material was obtained by pyrolysis of natural China rose petals as a precursor, followed by chemical activation and post-treatment with melamine. The results demonstrated that the micro/nano-structures of rose petals provide a hard template to form hierarchically porous structures, favorable for the mass transportation and electrolyte, while the saccharides in the rose petals were used as precursors for carbon. Moreover, the amino acids of rose petals and the additive melamine acted as the source of heteroatoms, thus creating enormous active sites for ORR. The as-prepared catalyst therefore displays an excellent electrocatalytic activity similar to the performance of Pt/C in both alkaline and acid media, long term durability and better tolerance for methanol crossover/CO poisoning effects than commercial Pt/C, making it a promising alternative for platinum and other expensive metal-based catalysts toward ORR.
Starting Page	86401
Ending Page	86409
Page Count	9
File Format	HTM / HTML PDF
ISSN	20462069
Volume Number	6
Issue Number	89
Journal	RSC Advances
DOI	10.1039/c6ra14619h
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Pyrolysis Electrolyte Cathode China Redox Melamine resin Public transport Carbon Methanol
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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