Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6669315 | Journal of Industrial and Engineering Chemistry | 2017 | 4 Pages |
Abstract
The all-vanadium redox flow battery (VRFB) stack of a kW class, which was composed of 31 cells with an electrode surface area of 2714Â cm2 and a commercial anion exchange membrane, was tested using the electrolyte of 1.2Â M VOSO4 in 2Â M H2SO4. The charge-discharge cycle performance of VRFB stack was measured at the current density of 60 and 90Â mAÂ cmâ2. Average energy efficiencies during charge-discharge cycle in the VRFB stack were about 76% and 70% for the current density of 60 and 90Â mAÂ cmâ2, respectively. It was confirmed from the tested data that the homemade VRFB stack is suitable for the electric storage with high efficiency. The input power (IP) and output power (OP) in the VRFB stack at 90Â mAÂ cmâ2 were 11.4Â kW and 8.9Â kW, respectively.
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Chemical Engineering (General)
Authors
Dong-Jun Park, Kwang-Sun Jeon, Cheol-Hwi Ryu, Gab-Jin Hwang,