Ordered Nafion (R) ionomers decorated polypyrrole nanowires for advanced electrochemical applications
文献类型:期刊论文
作者 | Li, Huanqiao1; Wang, Suli1; Sun, Ruili1,2; Xia, Zhangxun1; Jing, Fenning1 |
刊名 | JOURNAL OF ENERGY CHEMISTRY
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出版日期 | 2018-05-01 |
卷号 | 27期号:3页码:854-858 |
关键词 | Electrochemical Polymerization Polypyrrole Nanowires Proton Conductivity Fuel Cells |
ISSN号 | 2095-4956 |
DOI | 10.1016/j.jechem.2017.07.005 |
文献子类 | Article |
英文摘要 | Fabrication of novel electrode materials with ordered proton-migration channels is an effective strategy to enhance the proton conductivity of the electrode for polymer electrolyte membrane fuel cells. Here we report the electrochemical fabrication of ordered Nafion (R) ionomers decorated polypyrrole nanowires to construct the ordered proton-migration channels. Based on the electrostatic interaction between Nafion (R) ionomers and the polymer intermediate, ordered Nafion (R) ionomers decorated polypyrrole nanowires could be fabricated via chronoamperometry with varying contents of Nafion (R) ionomers. The morphologies, charge-storage performances, electron conductivity and proton conductivity of the composites are investigated by scanning electron microscopy, cyclic-voltammetry, galvanostatic charge-discharge measurement and electrochemical impedance spectroscopy. With the modification effect of Nafion (R) ionomers on polypyrrole nanowires, the composite shows greater ordered structure relative to another without Nafion (R) ionomers and the electrochemical performances change with the content of Nafion (R) ionomers. The composite could achieve a high specific capacitance of 356 F/g at 1 A/g with a 0.62-fold enhancement compared to polypyrrole nanowires without Nafion (R) ionomers. It also displays a superior electrical conductivity of 49 S/cm and a quite high proton conductivity of 0.014 S/cm at working conditions of fuel cells, which are associated with the requirements of fuel cells and have the potential to be the electrode material for a large range of electrochemical energy conversion devices. (C) 2017 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. and Science Press. All rights reserved. |
WOS关键词 | OXYGEN REDUCTION REACTION ; MEMBRANE FUEL-CELLS ; LOW-PLATINUM ; PERFORMANCE ; ELECTROCATALYSTS ; ARRAYS ; DURABILITY ; CHALLENGES ; CATALYSTS ; LAYER |
WOS研究方向 | Chemistry ; Energy & Fuels ; Engineering |
语种 | 英语 |
WOS记录号 | WOS:000430515900026 |
出版者 | ELSEVIER SCIENCE BV |
源URL | [http://cas-ir.dicp.ac.cn/handle/321008/169022] ![]() |
专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
通讯作者 | Wang, Suli |
作者单位 | 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Div Fuel Cells & Battery, Dalian 116023, Liaoning, Peoples R China 2.Univ Chinese Acad Sci, Beijing 049, Peoples R China |
推荐引用方式 GB/T 7714 | Li, Huanqiao,Wang, Suli,Sun, Ruili,et al. Ordered Nafion (R) ionomers decorated polypyrrole nanowires for advanced electrochemical applications[J]. JOURNAL OF ENERGY CHEMISTRY,2018,27(3):854-858. |
APA | Li, Huanqiao,Wang, Suli,Sun, Ruili,Xia, Zhangxun,&Jing, Fenning.(2018).Ordered Nafion (R) ionomers decorated polypyrrole nanowires for advanced electrochemical applications.JOURNAL OF ENERGY CHEMISTRY,27(3),854-858. |
MLA | Li, Huanqiao,et al."Ordered Nafion (R) ionomers decorated polypyrrole nanowires for advanced electrochemical applications".JOURNAL OF ENERGY CHEMISTRY 27.3(2018):854-858. |
入库方式: OAI收割
来源:大连化学物理研究所
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