• SUNNY NANDI

      Articles written in Bulletin of Materials Science

    • A proof of concept for low-cost rechargeable aqueous aluminium-ion batteries

      SUNNY NANDI HOMEN LAHAN SHYAMAL K DAS

      More Details Abstract Fulltext PDF

      In an effort to develop Al$^{3+}$ ion-based rechargeable electrochemical cells, there is massive exploration of appropriate electrode materials in contemporary times. Aluminium is a natural choice due to its high abundance, low cost and easy processing. Herein, the working of rechargeable aqueous aluminium-ion batteries which comprise graphite from pencil sketch as the cathode, TiO$_2$ as the anode and an Al$^{3+}$ ion conducting aqueous electrolyte is demonstrated for the first time. The aluminium-ion cell delivers a discharge voltage of 1.5 V and stable specific capacities of 25 mAh g$^1{−1}$ over 1000 cycles. This proof of concept emphasizes on the possibility of achieving sustainable, easy to assemble and low-cost rechargeable batteries.

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