A review of vanadium electrolytes for vanadium redox flow batteries

There is increasing interest in vanadium redox flow batteries (VRFBs) for large scale-energy storage systems. Vanadium electrolytes which function as both the electrolyte and active material are highly important in terms of cost and performance. Although vanadium electrolyte technologies have notably evolved during the last few decades, they should be improved further towards higher vanadium solubility, stability and electrochemical performance for the design of energy-dense, reliable and cost-effective VRFBs. This timely review summarizes the vanadium electrolyte technologies including their synthesis, electrochemical performances, thermal stabilities, and spectroscopic characterizations and highlights the current issues in VRFB electrolyte development. The challenges that must be confronted to further develop vanadium electrolytes may stimulate more researchers to push them forward.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2017-03
Language
English
Keywords

UV-VISIBLE SPECTROPHOTOMETRY; NUCLEAR-MAGNETIC-RESONANCE; ANION-EXCHANGE MEMBRANES; SULFURIC-ACID-SOLUTIONS; HALF-CELL ELECTROLYTE; POSITIVE ELECTROLYTE; ELECTROCHEMICAL-BEHAVIOR; ENERGY-STORAGE; SHUNT CURRENT; CAPACITY LOSS

Citation

RENEWABLE SUSTAINABLE ENERGY REVIEWS, v.69, pp.263 - 274

ISSN
1364-0321
DOI
10.1016/j.rser.2016.11.188
URI
http://hdl.handle.net/10203/214782
Appears in Collection
CBE-Journal Papers(저널논문)
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