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Novel Strontium/Iro...
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You, HenghuiGuangzhou Univ, Peoples R China
(author)
Novel Strontium/Iron Bimetallic Carbon Composites as Synergistic Catalyst for Oxygen Reduction Reaction in Microbial Fuel Cells
- Article/chapterEnglish2021
Publisher, publication year, extent ...
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2021-09-07
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SPRINGER,2021
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Numbers
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LIBRIS-ID:oai:DiVA.org:liu-180296
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-180296URI
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https://doi.org/10.1007/s12678-021-00679-2DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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Funding Agencies|National Natural Science FoundationNational Natural Science Foundation of China (NSFC) [51208122, 51778156, 51708142, 51708143]; Pearl River S&T Nova Program of Guangzhou [201806010191]; Science and Technology Program of Guangzhou [201707010256]; Guangzhou Universitys Training Program of Innovation Ability for Postgraduates [2020GDJC-M07]
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It is critical to develop non-noble metal (NNM) electrocatalysts with excellent stability and innovative activity for oxygen reduction reaction (ORR) in the microbial fuel cells (MFCs), which is a promising energy conversion technology. Herein, the preparation of iron carbide electrocatalysts (SrCO3/Fe3C) by the pyrolysis of a bimetal precursor (Sr and Fe) is proposed as a feasible strategy to realize a highly active electrocatalyst for ORR. Based on the catalytic potential of Sr-based materials, Fe species doping can provide more beneficial active sites for ORR. Concisely, the SrCO3/Fe3C(1:12) catalyst achieves the onset potential of 0.197 V (vs. Ag/AgCl) superior than Pt/C catalyst (0.193 V vs. Ag/AgCl) and the half-wave potential of -0.157 V (vs. Ag/AgCl) in 0.1-M KOH solution. Furthermore, the electrocatalyst exhibits nearly four-electron pathway, and generates less than 3% H2O2. Compared with Pt/C catalyst, it possesses preferable stability and superior methanol tolerance. Moreover, a composite electrode with SrCO3/Fe3C(1:12) as a catalyst on the carbon cloth demonstrated a superb air cathode in MFCs with a power density of 398.98 mW m(-2), which can outperform than 10 wt% Pt/C catalysts (342.13 mW m(-2)) on MFCs.
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Shi, HuihuiGuangzhou Univ, Peoples R China
(author)
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Arulmani, Samuel Raj BabuGuangzhou Univ, Peoples R China
(author)
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Li, HanGuangzhou Univ, Peoples R China
(author)
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Zhong, KengqiangUniv Sci & Technol China, Peoples R China
(author)
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Wang, YanGuangzhou Univ, Peoples R China
(author)
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Dai, YiGuangzhou Univ, Peoples R China
(author)
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Huang, LeiGuangzhou Univ, Peoples R China
(author)
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Guo, FeiGuangzhou Univ, Peoples R China
(author)
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Zhang, HongguoRes Ctr Urban Sustainable Dev, Guangzhou Univ, Guangzhou 510006, Peoples R China; Guangzhou Univ, Peoples R China
(author)
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Yan, JiaGuangzhou Univ, Peoples R China
(author)
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Xiao, TangfuGuangzhou Univ, Peoples R China
(author)
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Liu, XianjieLinköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)xiali21
(author)
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Su, MinhuaRes Ctr Urban Sustainable Dev, Guangzhou Univ, Guangzhou 510006, Peoples R China; Guangzhou Univ, Peoples R China
(author)
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Guangzhou Univ, Peoples R ChinaUniv Sci & Technol China, Peoples R China
(creator_code:org_t)
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In:Electrocatalysis: SPRINGER12:6, s. 759-7701868-25291868-5994
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You, Henghui
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Shi, Huihui
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Arulmani, Samuel ...
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Li, Han
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Zhong, Kengqiang
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Wang, Yan
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Dai, Yi
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Huang, Lei
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Guo, Fei
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Zhang, Hongguo
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Yan, Jia
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Xiao, Tangfu
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Liu, Xianjie
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Su, Minhua
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Electrocatalysis
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Linköping University