CAS OpenIR
Stable confinement of Fe/Fe3C in Fe, N-codoped carbon nanotube towards robust zinc-air batteries
Zong, Lingbo1; Chen, Xin1; Dou, Shuming2; Fan, Kaicai3; Wang, Zumin4; Zhang, Wenjun1; Du, Yunmei1; Xu, Jie2; Jia, Xiaofei1; Zhang, Qi1; Li, Xia1; Deng, Yida2; Chen, Yanan2; Wang, Lei1
2021-03-01
Source PublicationCHINESE CHEMICAL LETTERS
ISSN1001-8417
Volume32Issue:3Pages:1121-1126
AbstractCatalytic oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) have garnered great attention as the key character in metal-air batteries. Herein, we developed a superior nonprecious bifunctional oxygen electrocatalyst, fabricated through spatial confinement of Fe/Fe3C nanocrystals in pyridinic N and Fe-N-x rich carbon nanotubes (Fe/Fe3C-N-CNTs). During ORR, the resultant electrocatalyst exhibits positive onset potential of 1.0 V (vs. RHE), large half-wave potentials of 0.88 V (vs. RHE), which is more positive than Pt/C (0.98 V and 0.83 V, respectively). Remarkably, Fe/Fe3C- N-CNTs exhibits outstanding durability and great methanol tolerance, exceeding Pt/C and most reported nonprecious metal-based oxygen reduction electrocatalysts. Moreover, Fe/Fe3C-N-CNTs show a markedly low potential at j =10 mA/cm(2), small Tafel slopes and extremely high stability for OER. Impressively, the Fe/ Fe3C-N-CNTs-based Zn-air batteries demonstrate high power density of 183 mW/cm(2) and robust charge/ discharge stability. It is revealed that the spatial confinement effect can impede the aggregation and corrosion of Fe/Fe3C nanocrystals. Meanwhile, Fe/Fe3C and Fe-N-x play synergistic effect on boosting the ORR/OER activity, which provides an important guideline for construction of inexpensive nonprecious metal-carbon hybrid nanomaterials. (C) 2020 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. Published by Elsevier B.V. All rights reserved.
KeywordPatial confinement Nonprecious metal Bifunctional Oxygen electrocatalyst Synergistic effect Zn-air batterie
DOI10.1016/j.cclet.2020.08.0291001-8417/
Language英语
WOS KeywordOXYGEN REDUCTION REACTION ; DOPED CARBON ; BIFUNCTIONAL ELECTROCATALYST ; EVOLUTION ; IRON ; NANOPARTICLES ; ALKALINE ; COBALT ; SITES ; ATOMS
Funding ProjectNational Natural Science Foundation of China[51702180] ; National Natural Science Foundation of China[21703116] ; National Natural Science Foundation of China[91963113] ; National Natural Science Foundation of China[51372127] ; Scientific and Technical Development Project of Qingdao, China[18-2-2-52-jch] ; Taishan Scholar Advantage and Characteristic Discipline Team of Eco Chemical Process and Technology
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China ; Scientific and Technical Development Project of Qingdao, China ; Taishan Scholar Advantage and Characteristic Discipline Team of Eco Chemical Process and Technology
WOS IDWOS:000642399500004
PublisherELSEVIER SCIENCE INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/48757
Collection中国科学院过程工程研究所
Corresponding AuthorFan, Kaicai; Chen, Yanan
Affiliation1.Qingdao Univ Sci & Technol, Coll Chem & Mol Engn,MOE, State Key Lab Ecochem Engn,Key Lab Opt Elect Sens, Taishan Scholar Adv & Characterist Discipline Tea, Qingdao 266042, Peoples R China
2.Tianjin Univ, Tianjin Key Lab Composite & Funct Mat, Sch Mat Sci & Engn, Key Lab Adv Ceram & Machining Technol,Minist Educ, Tianjin 300072, Peoples R China
3.Griffith Univ, Ctr Clean Environm & Energy, Sch Environm & Sci, Southport, Qld 4222, Australia
4.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zong, Lingbo,Chen, Xin,Dou, Shuming,et al. Stable confinement of Fe/Fe3C in Fe, N-codoped carbon nanotube towards robust zinc-air batteries[J]. CHINESE CHEMICAL LETTERS,2021,32(3):1121-1126.
APA Zong, Lingbo.,Chen, Xin.,Dou, Shuming.,Fan, Kaicai.,Wang, Zumin.,...&Wang, Lei.(2021).Stable confinement of Fe/Fe3C in Fe, N-codoped carbon nanotube towards robust zinc-air batteries.CHINESE CHEMICAL LETTERS,32(3),1121-1126.
MLA Zong, Lingbo,et al."Stable confinement of Fe/Fe3C in Fe, N-codoped carbon nanotube towards robust zinc-air batteries".CHINESE CHEMICAL LETTERS 32.3(2021):1121-1126.
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