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题名: An effective hybrid organic/inorganic inhibitor for alkaline aluminum-air fuel cells
作者: Nie, Yujuan1, 2;  Gao, Jianxin2;  Wang, Erdong2;  Jiang, Luhua2;  An, Liang3;  Wang, Xuyun1
关键词: Aluminum ;  Anode corrosion ;  Hybrid inhibitor ;  Casein ;  Fuel cell
刊名: ELECTROCHIMICA ACTA
发表日期: 2017-09-10
DOI: 10.1016/j.electacta.2017.07.108
卷: 248, 页:478-485
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
研究领域[WOS]: Electrochemistry
英文摘要: An issue associated with aluminum-based batteries is the drastic parasitic corrosion of aluminum anode, which significantly restricts the utilization of aluminum. An effective approach is to add inhibitors in electrolytes to reduce the anode corrosion rate. In this work, Na2SnO3 and casein are proposed to act as a hybrid inhibitor in alkaline aluminum-air fuel cell. It is demonstrated that 0.05 M Na2SnO3 and 0.6 g L-1 casein offers the strongest corrosion protection, reducing the corrosion rate by approximately one order of magnitude. The corrosion inhibition is mainly attributed to the inhibition of cathodic reaction process. In addition, the analysis on the morphology and composition of the aluminum surface suggests that casein can greatly promote the deposition of tin to form a uniform and stable layer on the aluminum surface, due to the strong adsorption of polar functional groups in casein. Furthermore, the use of the hybrid inhibitor in aluminum-air fuel cell contributes to an increase of discharge capacity by 89.3%. (C) 2017 Elsevier Ltd. All rights reserved.
关键词[WOS]: AA5052 ALLOY ANODE ;  GA-0.1 SN-0.5 MN ;  PURE ALUMINUM ;  ELECTROCHEMICAL-BEHAVIOR ;  BATTERIES ;  CORROSION ;  PERFORMANCE ;  ELECTROLYTE ;  ADDITIVES ;  POLYPYRROLE
语种: 英语
WOS记录号: WOS:000409525300053
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/149991
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Qingdao Univ Sci & Technol, Coll Chem Engn, Qingdao 266042, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Div Fuel Cell & Battery, Dalian 116023, Peoples R China
3.Hong Kong Polytech Univ, Dept Mech Engn, Kowloon, Hong Kong, Peoples R China

Recommended Citation:
Nie, Yujuan,Gao, Jianxin,Wang, Erdong,et al. An effective hybrid organic/inorganic inhibitor for alkaline aluminum-air fuel cells[J]. ELECTROCHIMICA ACTA,2017,248:478-485.
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