An Aqueous Redox Flow Battery with a Tungsten-Cobalt Heteropolyacid as the Electrolyte for both the Anode and Cathode

被引：73
作者：
Liu, Yiyang [1 ]
Lu, Shanfu [1 ]
Wang, Haining [1 ]
Yang, Chunmei [1 ]
Su, Xin [1 ]
Xiang, Yan [1 ]
机构：
[1] Beihang Univ, Sch Space & Environm, Beijing Key Lab Bioinspired Energy Mat & Devices, Beijing 100191, Peoples R China
来源：
ADVANCED ENERGY MATERIALS | 2017年 / 7卷 / 08期
基金：
中国国家自然科学基金;
关键词：
bi-functional electrolytes; electrochemistry; heteropolyacids; redox flow batteries; METAL; MEMBRANES; BEHAVIOR; COUPLE; BLUES; CELL;
D O I：
10.1002/aenm.201601224
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A tungsten-cobalt heteropolyacid simultaneously acts as the electrolyte in both the positive and negative compartments of an aqueous redox flow battery. The heteropolyacid provides all of the necessary redox pairs and charge carriers for the battery. A high coulombic efficiency of 99% and an energy efficiency of 86% are achieved. Additionally, at a current density of 25 mA cm(-2), a specific energy of 15.4 W h L-1 is obtained.
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页数：6
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