Organic Liquid Crystals as Single‐Ion Li+ Conductors,ChemSusChem

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Organic Liquid Crystals as Single‐Ion Li+ Conductors
ChemSusChem ( IF 7.5 ) Pub Date : 2020-09-18 , DOI: 10.1002/cssc.202001995
Dominic Bresser _{1,

2,

3} , Mélody Leclere ₄ , Laurent Bernard ₁ , Patrice Rannou ₁ , Hakima Mendil-Jakani ₁ , Guk-Tae Kim _{2,

3} , Tatiana Zinkevich _{2,

5} , Sylvio Indris _{2,

5} , Gérard Gebel ₄ , Sandrine Lyonnard ₁ , Lionel Picard ₄

Affiliation

The development of new materials for tomorrow's electrochemical energy storage technologies, based on thoroughly designed molecular architectures is at the forefront of materials research. In this line, we report herein the development of a new class of organic lithium‐ion battery electrolytes, thermotropic liquid crystalline single‐ion conductors, for which the single‐ion charge transport is decoupled from the molecular dynamics (i. e., obeys Arrhenius‐type conductivity) just like in inorganic (single‐)ion conductors. Focusing on an in‐depth understanding of the structure‐to‐transport interplay and the demonstration of the proof‐of‐concept, we provide also strategies for their further development, as illustrated by the introduction of additional ionic groups to increase the charge carrier density, which results in a substantially enhanced ionic conductivity especially at lower temperatures.

中文翻译：

有机液晶作为单离子Li +导体

基于彻底设计的分子架构，为明天的电化学储能技术开发新材料是材料研究的前沿。在此方面，我们在此报告新一类有机锂离子电池电解质的发展，即热致液晶单离子导体，其单离子电荷传输与分子动力学解耦（即服从阿伦尼乌斯型）就像无机（单）离子导体一样。着眼于对结构与运输相互作用的深入理解以及概念验证的证明，我们还为它们的进一步发展提供了策略，例如通过引入其他离子基团以增加电荷载流子密度来说明，

更新日期：2020-09-18

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