A quinone electrode with reversible phase conversion for long-life rechargeable aqueous aluminum-metal batteries

The exploration of high-performance cathode candidates is of great significance for aqueous aluminum-metal batteries (AAMBs). Here, we, for the first time, report tetrachloro-1,4-benzoquinone (TCQ) as a superior organic AAMB cathode. Owing to its high reversible conversion between the carbonyl and hydroxyl groups, the TCQ cathode delivers a remarkable electrochemical performance.

Automated summary

The study introduces tetrachloro-1,4-benzoquinone (TCQ) as a superior organic cathode material for aqueous aluminum-metal batteries, which exhibits remarkable electrochemical performance due to its high reversible conversion between carbonyl and hydroxyl groups.