Rechargeable Aluminum-Ion Batteries Based on an Open-Tunnel Framework

Kaveevivitchai Watchareeya, Ashfia Huq, Shaofei Wang, Min Je Park, Arumugam Manthiram

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Rechargeable batteries based on an abundant metal such as aluminum with a three-electron transfer per atom are promising for large-scale electrochemical energy storage. Aluminum can be handled in air, thus offering superior safety, easy fabrication, and low cost. However, the development of Al-ion batteries has been challenging due to the difficulties in identifying suitable cathode materials. This study presents the use of a highly open framework Mo2.5 + y VO9 + z as a cathode for Al-ion batteries. The open-tunnel oxide allows a facile diffusion of the guest species and provides sufficient redox centers to help redistribute the charge within the local host lattice during the multivalent-ion insertion, thus leading to good rate capability with a specific capacity among the highest reported in the literature for Al-based batteries. This study also presents the use of Mo2.5 + y VO9 + z as a model host to develop a novel ultrafast technique for chemical insertion of Al ions into host structures. The microwave-assisted method employing diethylene glycol and aluminum diacetate (Al(OH)(C2H3O2)2) can be performed in air in as little as 30 min, which is far superior to the traditional chemical insertion techniques involving moisture-sensitive organometallic reagents. The Al-inserted Al x Mo2.5 + y VO9 + z obtained by the microwave-assisted chemical insertion can be used in Al-based rechargeable batteries.

Original languageEnglish
Article number1701296
JournalSmall
Volume13
Issue number34
DOIs
Publication statusPublished - 2017 Sep 13

Fingerprint

Aluminum
Tunnels
Ions
Secondary batteries
Microwaves
Electrodes
Cathodes
Air
Organometallics
Glycols
Energy storage
Oxides
Oxidation-Reduction
Moisture
Metals
Electrons
Safety
Costs and Cost Analysis
Fabrication
Atoms

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Biomaterials
  • Chemistry(all)
  • Materials Science(all)
  • Engineering (miscellaneous)

Cite this

Watchareeya, Kaveevivitchai ; Huq, Ashfia ; Wang, Shaofei ; Park, Min Je ; Manthiram, Arumugam. / Rechargeable Aluminum-Ion Batteries Based on an Open-Tunnel Framework. In: Small. 2017 ; Vol. 13, No. 34.
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Rechargeable Aluminum-Ion Batteries Based on an Open-Tunnel Framework. / Watchareeya, Kaveevivitchai; Huq, Ashfia; Wang, Shaofei; Park, Min Je; Manthiram, Arumugam.

In: Small, Vol. 13, No. 34, 1701296, 13.09.2017.

Research output: Contribution to journalArticle

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