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Hydrothermal Synthesis of Nanostructured Manganese Oxide as Cathodic Catalyst in a Microbial Fuel Cell Fed with Leachate
Yuan Haoran1,2; Deng Lifang1,2; Lu Tao1,2; Chen Yong3
2014
发表期刊SCIENTIFIC WORLD JOURNAL
摘要Much effort has been devoted to the synthesis of novel nanostructured MnO2 materials because of their unique properties and potential applications as cathode catalyst in Microbial fuel cell. Hybrid MnO2 nanostructures were fabricated by a simple hydrothermal method in this study. Their crystal structures, morphology, and electrochemical characters were carried out by FESEM, N-2-adsorption-desorption, and CV, indicating that the hydrothermally synthesized MnO2 (HSM) was structured by nanorods of high aspect ratio and multivalve nanoflowers and more positive than the naturally synthesized MnO2 (NSM), accompanied by a noticeable increase in oxygen reduction peak current. When the HSM was employed as the cathode catalyst in air-cathode MFC which fed with leachate, a maximum power density of 119.07 mW/m(2) was delivered, 64.68% higher than that with the NSM as cathode catalyst. Furthermore, the HSM via a 4-e pathway, but the NSM via a 2-e pathway in alkaline solution, and as 4-e pathway is a more efficient oxygen reduction reaction, the HSM was more positive than NSM. Our study provides useful information on facile preparation of cost-effective cathodic catalyst in air-cathode MFC for wastewater treatment.
文章类型Article
WOS标题词Science & Technology
DOI10.1155/2014/791672
研究领域[WOS]Science & Technology - Other Topics
关键词[WOS]OXYGEN REDUCTION ; ELECTRICITY-GENERATION ; AIR-CATHODE ; HIGH-PERFORMANCE ; CARBON NANOTUBE ; WASTE-WATER ; PLATINUM ; DIOXIDE ; MNO2 ; ELECTRODE
收录类别SCI
语种英语
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000332556000001
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10727
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.Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
3.Chinese Acad Sci, Guangzhou Div Acad, Guangzhou 510070, Guangdong, Peoples R China
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Yuan Haoran,Deng Lifang,Lu Tao,et al. Hydrothermal Synthesis of Nanostructured Manganese Oxide as Cathodic Catalyst in a Microbial Fuel Cell Fed with Leachate[J]. SCIENTIFIC WORLD JOURNAL,2014.
APA Yuan Haoran,Deng Lifang,Lu Tao,&Chen Yong.(2014).Hydrothermal Synthesis of Nanostructured Manganese Oxide as Cathodic Catalyst in a Microbial Fuel Cell Fed with Leachate.SCIENTIFIC WORLD JOURNAL.
MLA Yuan Haoran,et al."Hydrothermal Synthesis of Nanostructured Manganese Oxide as Cathodic Catalyst in a Microbial Fuel Cell Fed with Leachate".SCIENTIFIC WORLD JOURNAL (2014).
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