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전해액과 격막에 따른 Zn-Br 레독스 흐름 전지의 특성
최호상,오용환,유철휘,황갑진 한국수소및신에너지학회 2016 한국수소 및 신에너지학회논문집 Vol.27 No.4
Cell performance of the Zn-Br redox flow battery (ZBRFB) using two different type’s membrane (Nafion117 and SF-600) was evaluated at 20 mA/cm 2 of current density in 1M (mol/L) ZnBr2 + 2M KCl + 0.3M EMPBr(1-ethyl-1-methyl pyrrolidinium bromide) electrolyte. The average energy efficiencies of ZBRFB were 74.9% and 74.7% for Nafion117 and SF-600, respectively. The electrolyte added the 1-ethyl-3-methylimidazolium dicyanamide (EMICA) as an additive was tested for the electrolyte in ZBRFB using SF-600 at 30 mA/cm 2 of current density. An average energy efficiency of the ZBRFB was 74.5% and 77.4% for the electrolyte non-added EMICA and added 1wt% of EMICA, respectively. ZBRFB using the electrolyte added EMICA was showed the higher performance than that using the electrolyte non-added EMICA.