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One-step solid phase synthesis of a highly efficient and robust cobalt pentlandite electrocatalyst for the oxygen evolution reaction

文献类型：期刊论文

作者Al-Mamun, Mohammad1; Wang, Yun1; Liu, Porun1; Zhong, Yu Lin1; Yin, Huajie1; Su, Xintai1,2; Zhang, Haimin3; Yang, Huagui1; Wang, Dan1; Tang, Zhiyong1
刊名JOURNAL OF MATERIALS CHEMISTRY A
出版日期2016-12-21
卷号4期号:47页码:18314-18321
DOI10.1039/c6ta07962h
文献子类Article
英文摘要Cobalt pentlandite (Co9S8) has recently emerged as an alternative non-noble metal based electrocatalyst for the oxygen evolution reaction (OER). Co9S8 is known for its intrinsic structural and electronic properties favorable for electrocatalytic applications, but the synthesis of stoichiometrically optimal Co9S8 electrocatalysts remains challenging. Herein, a facile one-step solid phase calcination approach is presented in which Co9S8 nanoparticles (NPs) were concurrently synthesised on carbon nanosheets (CNSs). The reaction mechanism for this synthesis was systematically investigated using TG/DSC-MS analysis. Relative to other cobalt chalcogenide electrocatalysts, the as-prepared thermally stable nanocomposite (Co9S8/CNS) has better electrocatalytic performance for the OER in alkaline electrolytes, exhibiting a smaller overpotential of 294 mV at a current density of 10 mA cm(-2) with a Tafel slope of 50.7 mV dec(-1). Furthermore, a minimum overpotential of 267 mV with a Tafel slope of 48.2 mV dec(-1) could be achieved using highly conducting multi-walled carbon nanotubes (MWCNTs) as a conducting filler in the nanocomposites.
WOS关键词LAYERED DOUBLE HYDROXIDE ; WATER OXIDATION ; CO9S8 NANOPARTICLES ; GRAPHENE OXIDE ; COMPOSITE HYDROGEL ; DOPING APPROACH ; DOPED CARBON ; PERFORMANCE ; SULFIDE ; HYBRID
WOS研究方向Chemistry ; Energy & Fuels ; Materials Science
语种英语
WOS记录号WOS:000390083200015
资助机构Australian Research Council (ARC) Discovery Project ; Australian Research Council (ARC) Discovery Project ; Australian Research Council (ARC) Discovery Project ; Australian Research Council (ARC) Discovery Project ; National Natural Science Foundation of China(51372248 ; National Natural Science Foundation of China(51372248 ; National Natural Science Foundation of China(51372248 ; National Natural Science Foundation of China(51372248 ; 51432009) ; 51432009) ; 51432009) ; 51432009) ; Australian Research Council (ARC) Discovery Project ; Australian Research Council (ARC) Discovery Project ; Australian Research Council (ARC) Discovery Project ; Australian Research Council (ARC) Discovery Project ; National Natural Science Foundation of China(51372248 ; National Natural Science Foundation of China(51372248 ; National Natural Science Foundation of China(51372248 ; National Natural Science Foundation of China(51372248 ; 51432009) ; 51432009) ; 51432009) ; 51432009)
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/30277]  
专题合肥物质科学研究院_中科院固体物理研究所
作者单位1.Griffith Univ, Ctr Clean Environm & Energy, Gold Coast Campus, Gold Coast, Qld 4222, Australia
2.Xinjiang Univ, Coll Chem & Chem Engn, Minist Key Lab Oil & Gas Fine Chem, Urumqi 830046, Peoples R China
3.Chinese Acad Sci, Inst Solid State Phys, Ctr Environm & Energy Nanomat, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714		 Al-Mamun, Mohammad,Wang, Yun,Liu, Porun,et al. One-step solid phase synthesis of a highly efficient and robust cobalt pentlandite electrocatalyst for the oxygen evolution reaction[J]. JOURNAL OF MATERIALS CHEMISTRY A,2016,4(47):18314-18321.
APA Al-Mamun, Mohammad.,Wang, Yun.,Liu, Porun.,Zhong, Yu Lin.,Yin, Huajie.,...&Zhao, Huijun.(2016).One-step solid phase synthesis of a highly efficient and robust cobalt pentlandite electrocatalyst for the oxygen evolution reaction.JOURNAL OF MATERIALS CHEMISTRY A,4(47),18314-18321.
MLA Al-Mamun, Mohammad,et al."One-step solid phase synthesis of a highly efficient and robust cobalt pentlandite electrocatalyst for the oxygen evolution reaction".JOURNAL OF MATERIALS CHEMISTRY A 4.47(2016):18314-18321.

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来源：合肥物质科学研究院

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