A Quinone-Based Electrode for High-Performance Rechargeable Aluminum-Ion Batteries with a Low-Cost AlCl 3 /Urea Ionic Liquid Electrolyte
Journal
ACS Applied Materials and Interfaces
Journal Volume
12
Journal Issue
23
Pages
25853-25860
Date Issued
2020
Author(s)
Kao, Y.-T.
Patil, S.B.
An, C.-Y.
Huang, S.-K.
Lin, J.-C.
Lee, T.-S.
Lee, Y.-C.
Chou, H.-L.
Chang, Y.J.
Lai, Y.-H.
Wang, D.-Y.
Abstract
Intensive energy demand urges state-of-the-art rechargeable batteries. Rechargeable aluminum-ion batteries (AIBs) are promising candidates with suitable cathode materials. Owing to high abundance of carbon, hydrogen, and oxygen and rich chemistry of organics (structural diversity and flexibility), small organic molecules are good choices as the electrode materials for AIB. Herein, a series of small-molecule quinone derivatives (SMQD) as cathode materials for AIB were investigated. Nonetheless, dissolution of small organic molecules into liquid electrolytes remains a fundamental challenge. To nullify the dissolution problem effectively, 1,4-benzoquinone was integrated with four bulky phthalimide groups to form 2,3,5,6-tetraphthalimido-1,4-benzoquinone (TPB) as the cathode materials and assembled to be the AI/TPB cell. As a result, the Al/TPB cell delivered capacity as high as 175 mA h/g over 250 cycles in the urea electrolyte system. Theoretical studies have also been carried out to reveal and understand the storage mechanism of the TPB electrode.
SDGs
Type
journal article