A Mechanistic Overview of the Current Status and Future Challenges of Aluminum Anode and Electrolyte in Aluminum‐Air Batteries

Author:

Nayem S. M. Abu1,Islam Santa1,Mohamed Mostafa2,Shaheen Shah Syed3ORCID,Ahammad A. J. Saleh1,Aziz Md. Abdul45ORCID

Affiliation:

1. Department of Chemistry Jagannath University Dhaka 1100 Bangladesh

2. Physics Department King Fahd University of Petroleum & Minerals, KFUPM Box 5047 Dhahran 31261 Saudi Arabia

3. Department of Material Chemistry Graduate School of Engineering Kyoto University Nishikyo-ku Kyoto 615–8520 Japan

4. Interdisciplinary Research Center for Hydrogen and Energy Storage (IRC-HES) King Fahd University of Petroleum & Minerals, KFUPM Box 5040 Dhahran 31261 Saudi Arabia

5. K.A.CARE Energy Research & Innovation Center King Fahd University of Petroleum & Minerals Dhahran 31261 Saudi Arabia

Abstract

AbstractAluminum‐air batteries (AABs) are regarded as attractive candidates for usage as an electric vehicle power source due to their high theoretical energy density (8100 Wh kg−1), which is considerably higher than that of lithium‐ion batteries. However, AABs have several issues with commercial applications. In this review, we outline the difficulties and most recent developments in AABs technology, including electrolytes and aluminum anodes, as well as their mechanistic understanding. First, the impact of the Al anode and alloying on battery performance is discussed. Then we focus on the impact of electrolytes on battery performances. The possibility of enhancing electrochemical performances by adding inhibitors to electrolytes is also investigated. Additionally, the use of aqueous and non‐aqueous electrolytes in AABs is also discussed. Finally, the challenges and potential future research areas for the advancement of AABs are suggested.

Publisher

Wiley

Subject

Materials Chemistry,General Chemical Engineering,Biochemistry,General Chemistry

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