20.500.12556/RUL-176852 Toward practical aluminum organic batteries featuring covalent organic framework In recent years, Al metal organic batteries have attracted significant interest due to their promise of sustainability and high volumetric energy densities, while being based on abundant materials. However, many studies assess their performance with insufficient rigor, often emphasizing high capacity and power performance, as well as cycling stability at very high cycling rates. Herein, the feasibility of a highly stable β-ketoenamine-linked anthraquinone-based covalent organic framework (DAAQ-TFP-COF) for rechargeable Al batteries is reassessed. First, the influence of different voltage windows on electrochemical behavior in an ionic liquid electrolyte, identifying an optimal balance between capacity and stability, is investigated. Within the optimized voltage window of 0.5 to 2.0 V, DAAQ-TFP-COF achieves a capacity of 113.9 mAh g$^{−1}$ at 50 mA g$^{−1}$. To gain deeper insight into the charge storage mechanism, surface- and bulk-sensitive characterization techniques—energy-dispersive X-ray spectroscopy and X-ray Raman spectroscopy—confirming monovalent AlCl$_2$$^+$ as the main coordination species are employed. Finally, the compatibility of DAAQ-TFP-COF with more cost-effective amide-based Al electrolytes is evaluated. In butyramide-based electrolyte, the organic material exhibits stable performance and high Coulombic efficiency. Based on our findings, a realistic outlook on the key challenges that must be addressed to advance COF-based electrodes for future aluminum battery applications is provided. rechargable batteries aluminum metal batteries Al-metal batteries deep eutectic solvents covalent organic frameworks organic batteries X-ray Raman spectroscopy elektrokemija organsko-kovinske baterije baterije za večkratno polnjenje ramanska spektroskopija aluminij akumulatorji true false true Angleški jezik Slovenski jezik Članek v reviji 2025-12-11 14:03:41 2025-12-11 14:03:47 2025-12-24 04:05:14 0000-00-00 00:00:00 2025 0 0 9 str. iss. 19, art. e202500965 Vol. 18 1. Oct. 2025 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 544.5/.6 1864-564X 10.1002/cssc.202500965 247349507 ChemSusChem_-_2025_-_Luzanin_-_Toward_Practical_Aluminum_Organic_Batteries_Featuring_Covalent_Organic_Framework.pdf ChemSusChem_-_2025_-_Luzanin_-_Toward_Practical_Aluminum_Organic_Batteries_Featuring_Covalent_Organic_Framework.pdf 1 95067512C08F2FDC402EE14B503379A6 aa07e5884ad23d76ce32fd7be6706cb4f8b3e6fa74dbc2db049613f089b52c72 f50455db-d691-11f0-9328-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=223475 https://chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/cssc.202500965 0 c8dff502-d691-11f0-9328-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=223474 Fakulteta za matematiko in fiziko Fakulteta za kemijo in kemijsko tehnologijo 0 0 0