Performance and Cost Analysis of Solid Polymer Electrolytes: The Role of AlCl 3 Impurities in Aluminium Batteries

Performance and Cost Analysis of Solid Polymer Electrolytes: The Role of AlCl 3 Impurities in Aluminium Batteries | Authorea try { document.documentElement.classList.add('js'); } catch (e) { } var _gaq = _gaq || []; _gaq.push(['_setAccount', 'G-8VDV14Y67G']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); Skip to main content Preprints Collections Wiley Open Research IET Open Research Ecological Society of Japan All Collections About About Authorea FAQs Contact Us Quick Search anywhere Search for preprint articles, keywords, etc. Search Search ADVANCED SEARCH SCROLL This is a preprint and has not been peer reviewed. Data may be preliminary. 7 April 2025 V1 Latest version Share on Performance and Cost Analysis of Solid Polymer Electrolytes: The Role of AlCl 3 Impurities in Aluminium Batteries Authors : Mohammad Mostafizar Rahman 0009-0003-6857-027X [email protected] , Amir Mohammad , Shuvrodev Biswas , Hartmut Stöcker , and Dirk C. Meyer Authors Info & Affiliations https://doi.org/10.22541/au.174405083.39188814/v1 267 views 120 downloads Contents Abstract Supplementary Material Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract The electrolyte significantly influences the performance of most aluminum-ion batteries (AIBs), where AlCl 3 serves as the primary ion source. This study systematically investigates the effect of AlCl 3 impurities on polyamide-based solid polymer electrolytes (SPEs) for AIBs, focusing on both performance and cost-effectiveness. SPEs are synthesized using a polyamide matrix and an ionic liquid (AlCl 3 :Et 3 NHCl) containing excess AlCl 3 . Six different purities of AlCl 3 salts (98%–99.999%) with variable prices (€0.028/g–€6.198/g) are used for the preparation of SPEs. Electrochemical characterization reveals that variations in purity do not significantly affect the performance of the electrolyte, as reversibility, ionic conductivity (0.19–0.21 mS/cm), electrochemical stability (2.70–2.83 V), and Coulombic efficiency (98.0–99.5%) remain consistent across all samples. Specific capacities range from 28.71 to 43.50 mAh/g, with no systematic correlation to impurity content. The cost analysis demonstrates that low-purity AlCl 3 (€0.028/g) performs comparably to high-purity salts (€6.198/g), leading to a 17-fold reduction in electrolyte costs. This highlights the economic feasibility of using lower-purity AlCl 3 in AIB production, making large-scale manufacturing more affordable. Supplementary Material File (complete_manuscript.pdf) Download 1.09 MB Information & Authors Information Version history V1 Version 1 07 April 2025 Copyright This work is licensed under a Non Exclusive No Reuse License. Keywords batteries electrolytes energy materials Authors Affiliations Mohammad Mostafizar Rahman 0009-0003-6857-027X [email protected] TU Bergakademie Freiberg University View all articles by this author Amir Mohammad Technische Universitat Bergakademie Freiberg View all articles by this author Shuvrodev Biswas Technische Universitat Bergakademie Freiberg View all articles by this author Hartmut Stöcker Technische Universitat Bergakademie Freiberg View all articles by this author Dirk C. Meyer Technische Universitat Bergakademie Freiberg View all articles by this author Metrics & Citations Metrics Article Usage 267 views 120 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation Mohammad Mostafizar Rahman, Amir Mohammad, Shuvrodev Biswas, et al. Performance and Cost Analysis of Solid Polymer Electrolytes: The Role of AlCl 3 Impurities in Aluminium Batteries. Authorea . 07 April 2025. DOI: https://doi.org/10.22541/au.174405083.39188814/v1 If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download. For more information or tips please see 'Downloading to a citation manager' in the Help menu . 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