Cycling of a Quinone-Bromide Flow Battery for Large-Scale Electrochemical Energy Storage | Zendy

Brian Huskinson | Zendy; Michael P. Marshak | Zendy; Michael R. Gerhardt | Zendy; Michael J. Aziz | Zendy

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Cycling of a Quinone-Bromide Flow Battery for Large-Scale Electrochemical Energy Storage

Author(s) -

Brian Huskinson,

Michael P. Marshak,

Michael R. Gerhardt,

Michael J. Aziz

Publication year - 2014

Publication title -

ecs transactions

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.235

H-Index - 52

eISSN - 1938-6737

pISSN - 1938-5862

DOI - 10.1149/06137.0027ecst

Subject(s) - flow battery , redox , hydroquinone , electrochemistry , hydrobromic acid , electrode , chemistry , quinone , battery (electricity) , bromate , bromide , inorganic chemistry , materials science , organic chemistry , power (physics) , thermodynamics , physics , electrolyte

We have demonstrated the performance of an aqueous redox flow battery composed of a negative electrode consisting of a redox couple between anthraquinone di-sulfonate and its corresponding hydroquinone, and a positive electrode consisting of a redox couple between hydrobromic acid and bromine. The peak power density is approximately 0.6 W/cm2. After 750 deep cycles, the average discharge capacity retention is 99.84% per cycle and the average current efficiency is 98.35%.

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