离子液体概述 Journal of Molecular Liquids 计,/时 An improved model for the conductivity of room-temperature ionic liquids based on hole theory He Zhao, Zloeu-Oxmg Uans. Fan U Conductivity-Viscosity A国1AE Hole theory Conductivity and viscosity are determined by movement of ions Movement is possible if adjacent hole(radius rh) is large enough Lets consider the cations → onic core: imidazolium ning, pyrrolidinium Model 1: Movement if r>r 16 leads to underestimation of conductivity Model 2: Movement if T>T2('2<I,)-more suitable holes available cation consists of head +tail only the head jumps in hole, dragging the tail 布主大 H. Zhao, Z.C. Liang, F. Li J.Mo.Liq.2009,149,55-59. 刷
COT@NUPT 16 一、离子液体概述 H. Zhao, Z. C. Liang, F. Li, J. Mol. Liq. 2009, 149, 55−59
离子液体概述 Green Chemistry Dynamic Artice Links C LEUVEN比利时鲁汶大学 Cite this: Grean Chem, 2011, 13, 82 wwrscorg/greenchem PAPER Electrodeposition Glycerol eutectics as sustainable solvent systems in ionic liquids ndrew P. Abbott, * Robert C. Harris, KarlS. Ryder, Carmine D'Agostino, Lynn F Gladden and ik n mantle Jan fransaer Rooted daner 2028, t Iitt ( dr au/ D上11/ chousi MIM-KULeuven lonar in Deep Eutacuc Solent b aided hgh wharey and htgh meline pomt The serena properties are chartered usmg penarth abumof acerul is usedasa de Universitv o Leicester A=2Fe/6丌"(R,+R) where z is the charge on the ion, R is the species radius, F th Faraday constant and e is the electronic charge. This has been shown to be valid for a range of ionic liquids. Recent work by Zhao et al a suggested that hole theory for ionic liquidscould be modified to account for parts ofan ion moving and theions being non-spherical This is auseful procedure and results inan Improvement to the calculated viscosities, 布主大 Prof andrew p. abbott COTONUPT 刷
COT@NUPT 17 一、离子液体概述 Prof. Andrew P. Abbott 比利时鲁汶大学
nature materials REVIEW ARTICLE PUBLISHED ONLINE: 24 JULY 2009 DO1: 10. 1038/NMAT2448 lonic-liquid materials for the electrochemical challenges of the future Michel Armand ', Frank Endres, Douglas R. MacFarlane, Hiroyuki Ohnoand Bruno Scrosati* Nonetheless, there remain many aspects of the behaviour of ionic liquids that need urgent investigation if the applications dis cussed here are to be better understood and developed. Examples ot solute ions such s metal ions transfer ence numhers thesemeree with conduction properties as a functionetfre regency surface chemistry and wetting phenomena of ionic liquids in pgro tials ion association and its effect on thermodypamicand transport properties: and interactions of ionic liquids with solutes and inter faces, The simple dissolution of a lithium salt always results inele trolytes in which only a fraction of the current is actually carried by polylLisalts) that is lithium salts with 是QQ 布主大 prig联 ions, could change the flux balance CUIONUPT 刷
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离子液体概述 离子液体的复杂性 令由于离子间复杂的相互作用,离子液体不仅包含基元离子(C, A),还包含离子团簇(CnAm,Cm+An) 令离子液体的结合和离散行为:受各种相互作用的景响,尚无一 般规律可循,表现出不同于分子液体的特性。所以离子液体目 前仍然被视为一种复杂的神秘物质。 令热力学行为的历史依赖性:即热学量的测量结果与样品的历史 19 过程相关,甚至样品容器的特性也会影响测量数据(边界依赖 性); ☆在研究离子液体的基本方法中,离子性( onicit!y概念被用于表 征离子液体的载流子强度。离子性是通过两种摩尔电导率的比 值( Haven ratio)来定义和计算的,但离子性的数值随摩尔电导4 率的测量方法不同差异较大,其物理原因还不清楚。 COTONUPT 刷
COT@NUPT 19 一、离子液体概述 离子液体的复杂性 ❖ 由于离子间复杂的相互作用，离子液体不仅包含基元离子（C, A），还包含离子团簇（CmAm , Cm+1Am ）。 ❖ 离子液体的结合和离散行为：受各种相互作用的影响，尚无一 般规律可循，表现出不同于分子液体的特性。所以离子液体目 前仍然被视为一种复杂的神秘物质。 ❖ 热力学行为的历史依赖性：即热学量的测量结果与样品的历史 过程相关，甚至样品容器的特性也会影响测量数据（边界依赖 性）； ❖ 在研究离子液体的基本方法中，离子性(Ionicity) 概念被用于表 征离子液体的载流子强度。离子性是通过两种摩尔电导率的比 值（Haven ratio）来定义和计算的，但离子性的数值随摩尔电导 率的测量方法不同差异较大，其物理原因还不清楚
汇报提纲 ◎-离子液体概述 二.电活性理论 离子液体物性计算 20 四.基础理论问题探讨 五.进一步研究方向
COT@NUPT 20 汇报提纲 一.离子液体概述 二.电活性理论 五.进一步研究方向 三.离子液体物性计算 四.基础理论问题探讨