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Communication-Fe/FeNi(3)Embedded in Nitrogen-Doped Carbon Nanotubes as Bifunctional Oxygen Electrocatalysts
Dai, CX; Fan, FH; Lv, MY; Pan, LH; Liang, SQ; Wang, JC; Shen, HJ; Thomas, T; Yang, MH
2020-11-01
Source PublicationJOURNAL OF THE ELECTROCHEMICAL SOCIETY
ISSN0013-4651
Issue14
SubtypeArticle
AbstractBoth oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are crucial for metal-air batteries. Achieving a single phase that offers both functionalities is of practical relevance. Here, we report a facile method to couple Fe-N(x)moieties and FeNi(3)nanoparticles, and embed these in nitrogen-doped carbon nanotubes (Fe/FeNi3@NC). The Fe/FeNi3@NC catalyst demonstrates excellent bifunctional performance in 0.10 molar potassium hydroxide. We observe a half-wave potential of 0.83 V for ORR, and a potential of 1.58 V at a current density of 10 mA cm(-2)for OER. The oxygen electrode fabricated using Fe/FeNi3@NC exhibits a peak power density of 143 mW cm(-2)for rechargeable Zn-air battery. Over a similar to 9 h duration test, the material is also shown to be as stable as the commercial Pt/C + IrO(2)in operating conditions.
DOI10.1149/1945-7111/abc0ad
WOS KeywordN-C ELECTROCATALYST ; REDUCTION ; EVOLUTION ; FE ; GRAPHENE ; EFFICIENT ; COBALT ; ARRAYS ; SITES
Language英语
WOS Research AreaElectrochemistry ; Materials Science
PublisherELECTROCHEMICAL SOC INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27653
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Dai, CX,Fan, FH,Lv, MY,et al. Communication-Fe/FeNi(3)Embedded in Nitrogen-Doped Carbon Nanotubes as Bifunctional Oxygen Electrocatalysts[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY,2020(14).
APA Dai, CX.,Fan, FH.,Lv, MY.,Pan, LH.,Liang, SQ.,...&Yang, MH.(2020).Communication-Fe/FeNi(3)Embedded in Nitrogen-Doped Carbon Nanotubes as Bifunctional Oxygen Electrocatalysts.JOURNAL OF THE ELECTROCHEMICAL SOCIETY(14).
MLA Dai, CX,et al."Communication-Fe/FeNi(3)Embedded in Nitrogen-Doped Carbon Nanotubes as Bifunctional Oxygen Electrocatalysts".JOURNAL OF THE ELECTROCHEMICAL SOCIETY .14(2020).
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