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Investigation of the electrolyte properties for the vanadium redox flow battery (VI): Measurement and prediction of surface tension of aqueous VOSO4 at 283.15 to 313.15 K
Li, Xiangrong; Zhao, Jinling; Qin, Ye; Xu, Weiguo; Liu, Jianguo; Yang, Jiazhen; Xu, Qian; Yan, Chuanwei; Qin, Y; Liu, JG (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
2017
发表期刊JOURNAL OF MOLECULAR LIQUIDS
ISSN0167-7322
卷号225页码:296-301
摘要Surface tension and density for aqueous VOSO4 solution have been measured at different temperatures from T = (283.15 to 313.15) K. The values of average molar volume, V, were calculated. Based on Li's theory, a new definition of molar surface Gibbs free energy has been proposed and was used to predict the surface tension of the aqueous VOSO4. The results show that the predicted values of the surface tension of the aqueous VOSO4 were in the consistency with the corresponding experimental ones. According to the relationship between the proposed molar surface Gibbs free energy and temperatures, a semi-empirical equation derived from the Etitvos equation with a more explicit physical meaning was subsequently presented, from which the molar surface enthalpy and entropy could be evaluated directly. Furthermore, the proposed semi-empirical approach also gave an opportunity to apply the molar surface Gibbs free energy to other types of solutions so as to assist in the prediction of the surface tension with satisfactory results. (C) 2016 Elsevier B.V. All rights reserved.; Surface tension and density for aqueous VOSO4 solution have been measured at different temperatures from T = (283.15 to 313.15) K. The values of average molar volume, V, were calculated. Based on Li's theory, a new definition of molar surface Gibbs free energy has been proposed and was used to predict the surface tension of the aqueous VOSO4. The results show that the predicted values of the surface tension of the aqueous VOSO4 were in the consistency with the corresponding experimental ones. According to the relationship between the proposed molar surface Gibbs free energy and temperatures, a semi-empirical equation derived from the Etitvos equation with a more explicit physical meaning was subsequently presented, from which the molar surface enthalpy and entropy could be evaluated directly. Furthermore, the proposed semi-empirical approach also gave an opportunity to apply the molar surface Gibbs free energy to other types of solutions so as to assist in the prediction of the surface tension with satisfactory results. (C) 2016 Elsevier B.V. All rights reserved.
部门归属[li, xiangrong] northeastern univ, sch met, shenyang 110819, peoples r china ; [li, xiangrong ; zhao, jinling ; qin, ye ; xu, weiguo ; liu, jianguo ; yang, jiazhen ; yan, chuanwei] chinese acad sci, inst met res, shenyang 110016, peoples r china ; [xu, weiguo ; yang, jiazhen] liaoning univ, coll chem, shenyang 110036, peoples r china ; [xu, qian] shanghai univ, state key lab adv special steel, shanghai 200072, peoples r china
关键词Vanadium Redox Flow Battery Electrolyte Vanadyl Sulfate Surface Tension Molar Surface Gibbs Free Energy Elitvos Equation
学科领域Chemistry, Physical ; Physics, Atomic, Molecular & Chemical
资助者National Natural Science Foundation of China [21373009, 21403254]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78375
专题中国科学院金属研究所
通讯作者Qin, Y; Liu, JG (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Li, Xiangrong,Zhao, Jinling,Qin, Ye,et al. Investigation of the electrolyte properties for the vanadium redox flow battery (VI): Measurement and prediction of surface tension of aqueous VOSO4 at 283.15 to 313.15 K[J]. JOURNAL OF MOLECULAR LIQUIDS,2017,225:296-301.
APA Li, Xiangrong.,Zhao, Jinling.,Qin, Ye.,Xu, Weiguo.,Liu, Jianguo.,...&Liu, JG .(2017).Investigation of the electrolyte properties for the vanadium redox flow battery (VI): Measurement and prediction of surface tension of aqueous VOSO4 at 283.15 to 313.15 K.JOURNAL OF MOLECULAR LIQUIDS,225,296-301.
MLA Li, Xiangrong,et al."Investigation of the electrolyte properties for the vanadium redox flow battery (VI): Measurement and prediction of surface tension of aqueous VOSO4 at 283.15 to 313.15 K".JOURNAL OF MOLECULAR LIQUIDS 225(2017):296-301.
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