期刊
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
卷 163, 期 3, 页码 A338-A344出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.0971602jes
关键词
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资金
- Energy Materials Center at Cornell
- U.S. Department of Energy
- National Science Foundation
- U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy
Redox flow batteries (RFBs) are of interest for large- scale energy storage, but implementation has been challenged by their low energy density, high complexity, high cost, and insufficient lifetime due to several types of irreversible losses in the electrolyte. To address the issue of system complexity and irreversible losses, we have undertaken a detailed analysis of the concept of the symmetric redox flow battery, or SRFB, which relies on a single parent molecule as the charge storage species in both the positive and negative electrode reactions. Herein we elaborate on the operating principles and advantages of a SRFB and report the salient electrochemical properties of a class of organic molecules, diaminoanthraquinones (DAAQs) as promising candidates for use in SRFB redox electrolytes. Modeling of various modes of operation for SRFBs are presented along with an example of an operational, lab- scale SRFB based on a DAAQ system. (C) The Author(s) 2015 Published by ECS. All rights reserved.
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