Artikel ; Online: A Secondary Al-CO₂ Battery Enabled by Aluminum Iodide as a Homogeneous Redox Mediator
ACS Applied Materials & Interfaces. 2023 Mar. 03, v. 15, no. 10 p.12908-12914
2023
Abstract: As an emerging energy storage concept, Al-CO₂ batteries have not yet been demonstrated as a rechargeable system that can deliver a high discharge voltage and a high capacity. In this work, we present a homogeneous redox mediator to access a rechargeable ... ...
Abstract | As an emerging energy storage concept, Al-CO₂ batteries have not yet been demonstrated as a rechargeable system that can deliver a high discharge voltage and a high capacity. In this work, we present a homogeneous redox mediator to access a rechargeable Al-CO₂ battery with an ultralow overpotential of 0.05 V. In addition, the resulting rechargeable Al-CO₂ cell can maintain a high discharge voltage of 1.12 V and delivers a high capacity of 9394 mAh/gcₐᵣbₒₙ. Nuclear magnetic resonance (NMR) analysis indicates that the discharge product is aluminum oxalate which can facilitate the reversible operation of Al-CO₂ batteries. The rechargeable Al-CO₂ battery system demonstrated here holds great promise as a low-cost and high-energy alternative for future grid energy storage applications. Meanwhile, the Al-CO₂ battery system could facilitate capture and concentration of atmospheric CO₂, ultimately benefiting both the energy and environmental sectors of society. |
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Schlagwörter | aluminum ; batteries ; carbon dioxide ; electric potential difference ; iodides ; nuclear magnetic resonance spectroscopy ; oxalates ; Al−CO2 battery ; homogeneous catalyst ; redox mediator ; Al NMR ; electrolyte additive |
Sprache | Englisch |
Erscheinungsverlauf | 2023-0303 |
Umfang | p. 12908-12914. |
Erscheinungsort | American Chemical Society |
Dokumenttyp | Artikel ; Online |
ISSN | 1944-8252 |
DOI | 10.1021/acsami.2c18323 |
Datenquelle | NAL Katalog (AGRICOLA) |
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