Wang YuanWang, Luo HaiBo, Peng RongHua. Study on the Green Preparation Technology of VOSO4 for Vanadium Battery[J]. IRON STEEL VANADIUM TITANIUM, 2016, 37(3): 30-34. doi: 10.7513/j.issn.1004-7638.2016.03.006
Citation:
Wang YuanWang, Luo HaiBo, Peng RongHua. Study on the Green Preparation Technology of VOSO4 for Vanadium Battery[J]. IRON STEEL VANADIUM TITANIUM, 2016, 37(3): 30-34. doi: 10.7513/j.issn.1004-7638.2016.03.006
Wang YuanWang, Luo HaiBo, Peng RongHua. Study on the Green Preparation Technology of VOSO4 for Vanadium Battery[J]. IRON STEEL VANADIUM TITANIUM, 2016, 37(3): 30-34. doi: 10.7513/j.issn.1004-7638.2016.03.006
Citation:
Wang YuanWang, Luo HaiBo, Peng RongHua. Study on the Green Preparation Technology of VOSO4 for Vanadium Battery[J]. IRON STEEL VANADIUM TITANIUM, 2016, 37(3): 30-34. doi: 10.7513/j.issn.1004-7638.2016.03.006
VOSO4 used for vanadium battery was prepared by reduction of high purity V2O5 with H2O2,and the preparation technology and reaction mechanism were studied.The enthalpy and Gibbs free energy change of the reaction for preparing VOSO4 were calculated,and the charge and discharge performance testing were performed using the prepared VOSO4 as active material of vanadium battery.The results show that it's an exothermic reaction for VOSO4 formation and the dissolution of V2O5 is promoted by the reaction.This technology is characteristic of simple,green and environment-friendly with the best mole ratio of V2O5:H2O2:H2SO4=1:1.2~1.4:2.4~2.5.The V4+ content in the obtained VOSO4 accounts for 99.66% of total vanadium amount,with V5+ occupying 0.34%.The prepared VOSO4 has a good charge and discharge performance,which can be used as active material of vanadium battery electrolyte.