Lattice energetics and thermochemistry of acridine derivatives and substituted acridinium trifluoromethanesulphonates
作者:Beata Zadykowicz、Piotr Storoniak
DOI:10.1007/s10973-017-6306-4
日期:2017.9
10-methylacridinium trifluoromethanesulphonate ions, obtained by the DFT method, and the corresponding enthalpies of sublimation and/or crystal lattice enthalpies, the enthalpies of formation of the compounds in the solid phase were predicted. For compounds whose crystal structures are known, experimental enthalpies of sublimation correspond reasonably well to crystal lattice enthalpies predicted theoretically as
作者:Erik J. Askins、Marija R. Zoric、Matthew Li、Rachid Amine、Khalil Amine、Larry A. Curtiss、Ksenija D. Glusac
DOI:10.1038/s41557-023-01268-0
日期:2023.9
surface-mediated Li2O2 film growth and extending discharge lifetimes. As such, the exploration of diverse redox mediator classes can aid the development of molecular design criteria. Here we report a class of triarylmethyl cations that are effective at enhancing discharge capacities up to 35-fold. Surprisingly, we observe that redox mediators with more positive reduction potentials lead to larger discharge capacities
Li-O 2电池商业化的一个主要障碍是碳电极上电子绝缘的Li 2 O 2薄膜生长导致的低放电容量。氧化还原介导提供了一种有效的策略来驱动氧化学进入溶液,避免表面介导的Li 2 O 2薄膜生长并延长放电寿命。因此,探索不同的氧化还原介体类别可以帮助分子设计标准的制定。在此,我们报告了一类三芳基甲基阳离子,可有效将放电容量提高 35 倍。令人惊讶的是,我们观察到具有更多正还原电位的氧化还原介质会导致更大的放电容量,因为它们抑制表面介导的还原途径的能力得到提高。这一结果为氧化还原介导的 O 2 /Li 2 O 2放电容量的未来改进提供了重要的结构-性能关系。此外,我们应用计时电位模型来研究氧化还原介体标准还原电位的区域以及在给定电流密度下实现有效氧化还原介导所需的浓度。我们希望这一分析能够指导未来氧化还原介体的探索。
KATRITZKY, A. R.;RAMER, W. H., J. ORG. CHEM., 1985, 50, N 6, 852-856
作者:KATRITZKY, A. R.、RAMER, W. H.
DOI:——
日期:——
Structural considerations on acridine/acridinium derivatives: Synthesis, crystal structure, Hirshfeld surface analysis and computational studies
作者:Michał Wera、Piotr Storoniak、Illia E. Serdiuk、Beata Zadykowicz
DOI:10.1016/j.molstruc.2015.10.041
日期:2016.2
spatial arrangements of the acridine/acridinium derivatives under scrutiny here. Additionally, computational methods have been used to compare the intermolecular interactions in the crystal structures of the investigated compounds. Computations have confirmed the great contribution of dispersive interactions for crystal lattice stability in the case of 9-substituted acridine and electrostatic interactions