Journal
JOURNAL OF ENERGY STORAGE
Volume 74, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.est.2023.109312
Keywords
Alloy anodes; Graphene oxide (GO); Fast charging; Reduced graphene oxide (rGO)
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Tin antimony alloy anchored reduced graphene oxide composite prepared via a facile chemical method shows promising potential in high current density charging/discharging sodium battery application, with good capacity and fast charge-discharge performance. The synergistic effects between the alloy particles and the rGO conductive matrix are identified as the main cause for this phenomenon.
Tin antimony alloy anchored reduced graphene oxide (rGO-SnxSby (x similar to 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 similar to 320 mAhg (1) capacity in>300 cycles with Sodium as the other electrode. This electrode material retains similar to 300 mAhg(-1) specific capacity at a 500 mAg(-1) specific current density even after 2.5 Ag(-1)charge-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.
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