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Nitrogen-doped carbon sheets derived from chitin as non-metal bifunctional electrocatalysts for oxygen reduction and evolution
Yuan, Haoran1,3; Deng, Lifang1,3; Cai, Xixi2; Zhou, Shungui; Chen, Yong1,4; Yuan, Yong2
2015
发表期刊RSC ADVANCES
卷号5期号:69页码:56121-56129
摘要Affordable, efficient electrocatalysts for oxygen reduction reactions (ORR) and oxygen evolution reactions (OER) are critical for various energy technologies. Herein, we report that an activated carbon sheet (ACS) derived from chitin is an efficient non-metal bifunctional electrocatalyst for both ORR and OER. In alkaline media, the as-prepared ACS exhibited remarkable electrocatalytic activity for the oxygen reduction reaction, which was significantly superior to an unactivated carbon sheet (CS) and comparable to the commercial Pt/C catalyst with excellent durability and resistance to the crossover effect. Meanwhile, the same ACS also presents high catalytic activity towards OER, with a small overpotential of similar to 1.64 +/- 0.02 V versus RHE. The excellent electrocatalytic properties of the ACS originated from the combined effect of optimal nitrogen doping, high surface area, and porous architecture. This work demonstrates that the ACS is a promising material candidate with high-performance in electrocatalytic applications in energy technologies.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c5ra05461c
研究领域[WOS]Chemistry
关键词[WOS]MICROBIAL FUEL-CELLS ; HEAVY-METALS ; GRAPHENE ; NANOTUBES ; OXIDE ; NANOPARTICLES ; NANOSHEETS ; CATALYSTS ; ELECTRODE ; CHITOSAN
收录类别SCI
语种英语
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000357803200061
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10536
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Guangdong Inst Ecoenvironm & Soil Sci, Guangdong Key Lab Agr Environm Pollut Integrated, Guangzhou 510650, Guangdong, Peoples R China
3.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
4.Chinese Acad Sci, Guangzhou Div Acad, Guangzhou 510070, Guangdong, Peoples R China
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GB/T 7714
Yuan, Haoran,Deng, Lifang,Cai, Xixi,et al. Nitrogen-doped carbon sheets derived from chitin as non-metal bifunctional electrocatalysts for oxygen reduction and evolution[J]. RSC ADVANCES,2015,5(69):56121-56129.
APA Yuan, Haoran,Deng, Lifang,Cai, Xixi,Zhou, Shungui,Chen, Yong,&Yuan, Yong.(2015).Nitrogen-doped carbon sheets derived from chitin as non-metal bifunctional electrocatalysts for oxygen reduction and evolution.RSC ADVANCES,5(69),56121-56129.
MLA Yuan, Haoran,et al."Nitrogen-doped carbon sheets derived from chitin as non-metal bifunctional electrocatalysts for oxygen reduction and evolution".RSC ADVANCES 5.69(2015):56121-56129.
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