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Electrical Double Layers Close to Ionic Liquid–Solvent Demixing
The Journal of Physical Chemistry C ( IF 3.3 ) Pub Date : 2019-01-14 , DOI: 10.1021/acs.jpcc.8b09772 Carolina Cruz 1 , Alina Ciach 1 , Enrique Lomba 2 , Svyatoslav Kondrat 1
The Journal of Physical Chemistry C ( IF 3.3 ) Pub Date : 2019-01-14 , DOI: 10.1021/acs.jpcc.8b09772 Carolina Cruz 1 , Alina Ciach 1 , Enrique Lomba 2 , Svyatoslav Kondrat 1
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Electrical double layers (EDLs) play a key role in energy storage and have been suggested to have applications in energy generation. Recently, there has been an expansion of interest in EDLs, but EDLs with ionic liquid–solvent mixtures (ILSMs) received less attention. Herein, we study the temperature dependence of EDLs with ILSMs, in particular, close to demixing. We demonstrate the emergence of a bird-shaped capacitance, in addition to the well-known camel and bell shapes, which manifests the fine interplay between the electrostatic and wetting properties of ILSMs. We find that the capacitance increases appreciably as the system approaches demixing and this increase is accompanied by a sizeable enhancement of the energy storage, which can be utilized for generating electricity from waste heat.
中文翻译：
接近离子液体-溶剂分解的双电层
电双层（EDL）在能量存储中起着关键作用，并被建议在能量产生中具有应用。最近，人们对EDL的兴趣不断扩大，但是带有离子液体-溶剂混合物（ILSM）的EDL受到的关注较少。在本文中，我们研究了带有ILSM的EDL的温度依赖性，特别是接近于混合。除了众所周知的骆驼和钟形外，我们还演示了鸟形电容的出现，这表明ILSM的静电和润湿特性之间存在良好的相互作用。我们发现，随着系统接近混合，电容显着增加，并且这种增加伴随着能量存储的显着增强，该能量存储可用于从废热中发电。
更新日期：2019-01-15
中文翻译：
接近离子液体-溶剂分解的双电层
电双层（EDL）在能量存储中起着关键作用，并被建议在能量产生中具有应用。最近，人们对EDL的兴趣不断扩大，但是带有离子液体-溶剂混合物（ILSM）的EDL受到的关注较少。在本文中，我们研究了带有ILSM的EDL的温度依赖性，特别是接近于混合。除了众所周知的骆驼和钟形外，我们还演示了鸟形电容的出现，这表明ILSM的静电和润湿特性之间存在良好的相互作用。我们发现，随着系统接近混合，电容显着增加，并且这种增加伴随着能量存储的显着增强，该能量存储可用于从废热中发电。
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