Working mechanism of aqueous aluminum ion energy storage battery

Are aluminum-based aqueous batteries suitable for energy storage systems?

Aluminum-based aqueous batteries are considered one of the most promising candidates for the upcoming generation energy storage systems owing to their high mass and volume-specific capacity, high stability, and abundant reserves of Al. But the side reactions of self-corrosion and passive film severely impede the advancement of aluminum batteries.

What is aluminum ion battery technology?

Aluminum ion battery (AIB) technology is an exciting alternative for post-lithium energy storage. AIBs based on ionic liquids have enabled advances in both cathode material development and fundamental understanding on mechanisms.

What is rechargeable aqueous aluminum ion battery (AAIB)?

AIBs based on ionic liquids have enabled advances in both cathode material development and fundamental understanding on mechanisms. Recently, unlocking chemistry in rechargeable aqueous aluminum ion battery (AAIB) provides impressive prospects in terms of kinetics, cost, safety considerations, and ease of operation.

What are aqueous aluminum-ion batteries?

In recent years, aqueous aluminum-ion batteries (AAIBs, hereafter) have become an essential direction for materials science and engineering research. (1−4) Compared to traditional lithium-ion batteries, AAIBs have many advantages regarding being inexpensive, having high safety, and being abundant.

What is a high specific energy rechargeable aqueous aluminum–manganese battery?

In summary, a high specific energy rechargeable aqueous aluminum–manganese battery with Pt-modified aluminum anode and layered δ-MnO₂ cathode has been constructed. The use of 5 mol L −1 Al (OTF) 3 makes the battery system have a wide electrochemical window.

What are aqueous rechargeable aluminum batteries?

Aqueous rechargeable aluminum batteries (RABs) are an emerging sustainable alternative system to LIBs and feature easy accessibility, low cost, intrinsic safety due to the mild aqueous electrolytes, and natural abundance of aluminum (Al).