Interplay of Porosity, Wettability, and Redox Activity as Determining Factors for Lithium-Organic Electrochemical Energy Storage Using Biomolecules.,ChemSusChem

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Interplay of Porosity, Wettability, and Redox Activity as Determining Factors for Lithium-Organic Electrochemical Energy Storage Using Biomolecules.
ChemSusChem ( IF 7.5 ) Pub Date : 2020-03-05 , DOI: 10.1002/cssc.201903156
Ivan K Ilic ₁ , Milena Perovic ₁ , Clemens Liedel ₁

Affiliation

Although several recent publications describe cathodes for electrochemical energy storage materials made from regrown biomass in aqueous electrolytes, their transfer to lithium-organic batteries is challenging. To gain a deeper understanding, we investigate the influences on charge storage in model systems based on biomass-derived, redox-active compounds and comparable structures. Hybrid materials from these model polymers and porous carbon are compared to determine precisely the causes of exceptional capacity in lithium-organic systems. Besides redox activity, particularly, wettability influences capacity of the composites greatly. Furthermore, in addition to biomass-derived molecules with catechol functionalities, which are described commonly as redox-active species in lithium-bio-organic systems, we further describe guaiacol groups as a promising alternative for the first time and compare the performance of the respective compounds.

中文翻译：

孔隙率、润湿性和氧化还原活性的相互作用作为利用生物分子的锂有机电化学储能的决定因素。

尽管最近的几篇出版物描述了由水性电解质中再生生物质制成的电化学储能材料的阴极，但将它们转移到锂有机电池仍具有挑战性。为了获得更深入的了解，我们研究了基于生物质衍生的氧化还原活性化合物和类似结构的模型系统中电荷存储的影响。对这些模型聚合物和多孔碳的混合材料进行比较，以准确确定锂有机系统中异常容量的原因。除了氧化还原活性外，润湿性对复合材料的容量也有很大影响。此外，除了具有儿茶酚功能的生物质衍生分子（通常被描述为锂生物有机系统中的氧化还原活性物质）之外，我们还首次将愈创木酚基团描述为一种有前途的替代品，并比较了各自的性能化合物。

更新日期：2020-03-05

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