Abstract
Tin antimony alloy anchored reduced graphene oxide (rGO-SnxSby (x ∼ y = 1)) composite, prepared in bulk via a facile chemical route, is shown for its applicability in high current density (500 mAg−1) charging/discharging sodium battery application. The composite electrode delivered ∼320 mAhg 1 capacity in>300 cycles with Sodium as the other electrode. This electrode material retains∼300 mAhg−1 specific capacity at a 500 mAg−1 specific current density even after 2.5 Ag−1charge-discharge rates, indicating its potential in fast charge-discharge energy storage applications. The systematic study conducted here indicates that synergistic effects from the alloy particles and the rGO conductive matrix are leading to this observed phenomenon. The development of such viable anode materials can play a pivotal role in the commercialisation of sodium ion secondary batteries, one of the potential systems for future energy storage applications.
Published Version
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