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Review Article

Redox Flow Batteries for Energy Storage: A Technology Review

[+] Author and Article Information
Ruijie Ye

Transfercenter Sustainable Electrochemistry, Saarland University, 66125 Saarbrücken, Germany; KIST Europe, Campus E7 1, 66123 Saarbrücken, Germany
r.ye@kist-europe.de

Dirk Henkensmeier

Fuel Cell Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea; ET-GT, University of Science and Technology, Seoul 02792, Republic of Korea; Green School, Korea University, Seoul 136-713, Republic of Korea
henkensmeier@kist.re.kr

Sang Jun Yoon

Transfercenter Sustainable Electrochemistry, Saarland University, 66125 Saarbrücken, Germany; KIST Europe, Campus E7 1, 66123 Saarbrücken, Germany; Center for Membranes, Advanced Materials Division, Korea Research Institute of Chemical Technology, Daejeon 34114, Korea
sj.yoon@kist-europe.de

Zhifeng Huang

Transfercenter Sustainable Electrochemistry, Saarland University, 66125 Saarbrücken, Germany; KIST Europe, Campus E7 1, 66123 Saarbrücken, Germany
z.Huang@kist-europe.de

Dong Kyu Kim

Transfercenter Sustainable Electrochemistry, Saarland University, 66125 Saarbrücken, Germany; KIST Europe, Campus E7 1, 66123 Saarbrücken, Germany; Department of Mechanical and Aerospace Engineering, Seoul National University, Seoul 08826, Korea
dk.kim@kist-europe.de

Zhenjun Chang

Transfercenter Sustainable Electrochemistry, Saarland University, 66125 Saarbrücken, Germany; KIST Europe, Campus E7 1, 66123 Saarbrücken, Germany; College of Materials Science and Engineering, Jiangsu University of Science and Technology, 212003 Zhenjiang, China
z.chang@kist-europe.de

Sangwon Kim

Transfercenter Sustainable Electrochemistry, Saarland University, 66125 Saarbrücken, Germany; KIST Europe, Campus E7 1, 66123 Saarbrücken, Germany
sangwon.kim@kist-europe.de

Ruiyong Chen

Transfercenter Sustainable Electrochemistry, Saarland University, 66125 Saarbrücken, Germany; KIST Europe, Campus E7 1, 66123 Saarbrücken, Germany
r.chen@kist-europe.de

1Corresponding author.

ASME doi:10.1115/1.4037248 History: Received May 15, 2017; Revised July 05, 2017

Abstract

The utilization of intermittent renewable energy sources needs low-cost, reliable energy storage systems in the future. Among various electrochemical energy storage systems, redox flow batteries (RFBs) are promising with merits of independent energy storage and power generation capability, localization flexibility, high efficiency, low scaling-up cost, and excellent long charge/discharge cycle life. RFBs typically use metal ions as reacting species. The most exploited types are all-vanadium RFBs (VRFBs). Here, we discuss the core components for the VRFBs, including the development and application of different types of membranes, electrode materials, and stack system. In addition, we introduce the recent progress in the discovery of novel electrolytes, such as redox active organic compounds, polymers and organic/inorganic suspensions. Versatile structures, tunable properties, and abundant resources of organic-based electrolytes make them suitable for cost-effective stationary applications. With the active species in solid form, suspension electrolytes are expected to provide enhanced volumetric energy density.

Copyright (c) 2017 by ASME
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