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http://dx.doi.org/10.7316/KHNES.2017.28.5.531

Change of the Efficiency in All-Vanadium Redox Flow Battery with Current Density  

CHOI, HO-SANG (Department of Chemical Engineering, Kyungil University)
IN, DAE-MIN (Department of Green Energy Engineering, Hoseo University Graduate School)
SONG, YOUNG-JOON (Department of Green Energy Engineering, Hoseo University Graduate School)
RYU, CHEOL-HWI (Department of Green Energy Engineering, Hoseo University Graduate School)
HWANG, GAB-JIN (Department of Green Energy Engineering, Hoseo University Graduate School)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.28, no.5, 2017 , pp. 531-535 More about this Journal
Abstract
The performance of all-vanadium redox flow battery (VRFB) was tested with an increase of the current density. APS membrane (anion exchange membrane) and GF050CH (cabon felt) were used as a separator and electrode, respectively. An average energy efficiency of the VRFB was 79.5%, 68.1%, and 62.8% for the current density of $60mA/cm^2$, $120mA/cm^2$, and $160mA/cm^2$, respectively. It was confirmed that VRFB can be used as a energy storage system at the higher current density even if the energy efficiency was deceased about 21%.
Keywords
Secondary battery; Redox flow battery; Vanadium; Current density; Energy storage;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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