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Effect of Aluminum Oxide on the Performance of Ionic Liquid-Based Aluminum–Air Battery

Author

Listed:
  • Christopher Welch

    (Electrochemical Thermal Energy Laboratory, Department of Mechanical Engineering, Northern Illinois University, Dekalb, IL 60115, USA)

  • Abdul Kaleem Mohammad

    (Electrochemical Thermal Energy Laboratory, Department of Mechanical Engineering, Northern Illinois University, Dekalb, IL 60115, USA)

  • Narayan S. Hosmane

    (Department of Chemistry and Biochemistry, Northern Illinois University, Dekalb, IL 60115, USA)

  • Lu Zhang

    (Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, IL 60439, USA)

  • Kyu Taek Cho

    (Electrochemical Thermal Energy Laboratory, Department of Mechanical Engineering, Northern Illinois University, Dekalb, IL 60115, USA)

Abstract

The aluminum–air (or oxygen) battery has received intense attention in the past because of its excellent benefits such as low cost and high energy density, but due to the challenging issues such as hydrogen evolution and inactive oxide film formation on the Al surface, it could not be fully applied. In this study, 1-Ethyl 3-Methyl Imidazolium Chloride ([EmIm]Cl) and aluminum chloride (AlCl 3 ) are applied to resolve the aforementioned issues. Ex situ component-level and in situ cell-level open circuit voltage (OCV) tests combined with the physics-based model analyses were conducted to investigate the electrochemical reaction behaviors of the Al–air cell. Especially, the effect of aluminum oxide formation on the anode- and cathode-side reactions were analyzed in detail. The oxide film formed at the Al surface strongly was found to significantly impede the electrochemical reaction at the surface, and the film growth was controlled by decreasing the surface tension by aggressive anions. In the cathode side, the aluminum oxide precipitated in the porous cathode electrode was found to decrease the porous reaction area and block reactant access into the reaction sites. The effects of O 2 solubility in the electrolyte, initial porosity and thickness of the porous electrode are compared in detailed, and optimal thickness is suggested.

Suggested Citation

  • Christopher Welch & Abdul Kaleem Mohammad & Narayan S. Hosmane & Lu Zhang & Kyu Taek Cho, 2020. "Effect of Aluminum Oxide on the Performance of Ionic Liquid-Based Aluminum–Air Battery," Energies, MDPI, vol. 13(8), pages 1-27, April.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:8:p:2014-:d:347191
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    Citations

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    Cited by:

    1. Sergi Obrador Rey & Juan Alberto Romero & Lluis Trilla Romero & Àlber Filbà Martínez & Xavier Sanchez Roger & Muhammad Attique Qamar & José Luis Domínguez-García & Levon Gevorkov, 2023. "Powering the Future: A Comprehensive Review of Battery Energy Storage Systems," Energies, MDPI, vol. 16(17), pages 1-21, September.
    2. Chung-Yueh Shih & I-Chih Ni & Chih-Lin Chan & Cheng-Che Hsu & Chih-I Wu & I-Chun Cheng & Jian-Zhang Chen, 2022. "Helium Dielectric Barrier Discharge Plasma Jet (DBD Jet)-Processed Graphite Foil as Current Collector for Paper-Based Fluidic Aluminum-Air Batteries," Energies, MDPI, vol. 15(16), pages 1-11, August.

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