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Materials 2022, 15, 6231 trode–electrolyte interface is denoted by compressed semicircles in the mid-frequency re- gion of the Nyquist plot. For all the electrodes, Rct gradually decreased as the cycle number increased from 1 to 20. Ga2Te3–TiO2–C(10%) exhibited the lowest value of Rct after 20 cy- cles (Table S8), demonstrating the most facile Na ion transportation, which led to the high- est Na storage performance. 10 of 15 Anode Ga2S3 Ga2S3–C Cycling Performance 476 mAh·g−1 after 100 cycles at 0.4 A·g−1 385 mAh·g−1 after 200 cycles at 0.1 A·g−1 Rate Capability 283 mAh·g−1 at 2 A·g−1 94 mAh·g−1 at 2.0 A·g−1 Synthesis Method Ref. Vapor thermal annealing [55] Sulfuration process [35] FiFgiguurere55.. EEISIS-b-baasseed Nyquist pllottssfoforr(a()a)GGa aT2eTe–3T–iTOiO–C2–(C10(%10)%, ()b, )(bG)aGTae2T–Tei3O–T–iOC(22–0C%(2),0%an)d, and (c) 232 232 G(ac2)TGea3–TeiO–T2–iOC(–3C0%(30) %af)taefrteornoen, ef,ivfiev,ea, nandd2200cycles; (d))eeqquuivivalaelnetnctircciurcitu. it. 232 Currently, there are only a few reports on Ga-based or Te-based anodes for SIBs. How- Currently, there are only a few reports on Ga-based or Te-based anodes for SIBs. ever, chalcogenide materials (In2S3, Sb2Se3, etc.) have high specific capacities when they However, chalcogenide materials (In2S3, Sb2Se3, etc.) have high specific capacities when undergo sequential conversion and alloying reactions owing to their unique properties. A they undergo sequential conversion and alloying reactions owing to their unique proper- comparison of the performances of Ga2Te3–TiO2–C(10%) and other chalcogenide materi- ties. A comparison of the performances of Ga2Te3–TiO2–C(10%) and other chalcogenide als demonstrated the high potential of the Ga2Te3-based composite electrodes for future materials demonstrated the high potential of the Ga2Te3-based composite electrodes for applications (Table 1). future applications (Table 1). Table 1. Comparison of performances of chalcogenide-based anodes for SIBs.PDF Image | Ga2Te3-Based Anodes for Sodium-Ion Batteries
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