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Evaluation of electrolytes for redox flow battery applications
Chakrabarti, M H; Dryfe, R A; Roberts, E P
Electrochim. Acta FIELD Full Journal Title:Electrochimica Acta. 2006;52(5):2189-2195.
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Abstract
Redox systems were studied to identify electrolytes for redox flow batteries. The criteria for the selection of suitable systems were fast electrochem. kinetics and minimal cross-contamination of active electrolytes. Electrolyte systems were initially selected based on cyclic voltammetry data. Selected systems were then compared by charge/discharge expts. using a simple H-type cell. The all-V electrolyte system was developed as a com. system. The performance of the all-V system was better than the all-Cr system recently reported. Some metal-org. and org. redox systems were reported as possible systems for redox flow batteries, with cyclic voltammetry data suggesting that they could offer near reversible kinetics. However, Ru(acac)3 in MeCN could only be charged efficiently to 9.5% of the theor. charge, after which irreversible side reactions occurred and [Fe(bpy)3](ClO4)2 in MeCN exhibited poor charge/discharge performance. [on SciFinder (R)]
Keyword(s)
Battery electrolytes (electrolytes for redox flow batteries); Secondary batteries (redox-flow; electrolyte redox flow battery; electrolytes for redox flow batteries)
Bibliographic metadata
- CAN 146:277585 52-2 Electrochemical, Radiational, and Thermal Energy Technology Journal 0013-4686 written in English. 429-06-1 (Tetraethylammonium tetrafluoroborate); 2567-83-1 (Tetraethylammonium perchlorate) Role: TEM (Technical or engineered material use), USES (Uses) (electrolytes for redox flow batteries); 27774-13-6 (Vanadium oxide sulfate (VO(SO4)) Role: TEM (Technical or engineered material use), USES (Uses) (in electrolytes for redox flow batteries); 517-51-1 (Rubrene); 14284-93-6 (Ruthenium acetylacetonate); 15388-48-4 (Tris(2,2'-bipyridine) iron(2+) perchlorate); 63950-81-2 Role: TEM (Technical or engineered material use), USES (Uses) (redox species; in electrolytes for redox flow batteries)