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题名: A high-specific-energy magnesium/water battery for full-depth ocean application
作者: Liu, Qianfeng1, 2;  Yan, Zhao1, 2;  Wang, Erdong1;  Wang, Suli1;  Sun, Gongquan1
关键词: Magnesium/water battery ;  Hydrogen evolution reaction ;  Underwater application ;  High pressure ;  Magnesium alloy
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2017-09-07
DOI: 10.1016/j.ijhydene.2017.07.157
卷: 42, 期:36, 页:23045-23053
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Chemistry ;  Electrochemistry ;  Energy & Fuels
英文摘要: In this work, a high-specific-energy magnesium/water battery (Mg/H2O battery) combining Mg oxidation with hydrogen evolution reaction (HER) is developed for full-depth ocean application. With the optimized platinum loading associated with moderate Ni(OH)(2) on nickel foam, the performance can be increased obviously. Coupled with AZ91 Mg alloy anode, the specific energy of Mg/H2O battery reaches a dramatic value of 1003 W h kg(-1). Moreover, ultrahigh pressure of 1100 bar in the deep-sea simulated condition brings negligible effects on the performance of battery and electrodes. The influence of low temperature can be reduced to an acceptable level under the application at low discharge current density. Stable discharge of the battery for 100 days is also obtained. This work provides a new idea to supply power source with high specific energy, excellent environment adaptability, good safety and low cost for underwater application. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: AUTONOMOUS UNDERWATER VEHICLES ;  HYDROGEN EVOLUTION REACTION ;  CELL POWER-SYSTEMS ;  FUEL-CELL ;  SEAWATER BATTERY ;  ALKALINE MEDIA ;  WATER BATTERY ;  DEEP-SEA ;  CORROSION ;  PERFORMANCE
语种: 英语
WOS记录号: WOS:000412033800043
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/150199
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.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Div Fuel Cell & Battery, Dalian 116023, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
Liu, Qianfeng,Yan, Zhao,Wang, Erdong,et al. A high-specific-energy magnesium/water battery for full-depth ocean application[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2017,42(36):23045-23053.
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