Rechargeable Aqueous Zinc-Ion Batteries in MgSO/ZnSO Hybrid Electrolytes
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MgSO is chosen as an additive to address the capacity fading issue in the rechargeable zinc-ion battery system of MgVO·nHO//ZnSO//zinc. Electrolytes with different concentration ratios of ZnSO and MgSO are investigated. The batteries measured in the 1 M ZnSO M MgSO electrolyte outplay other competitors, which deliver a high specific capacity of 374 mAh g at a current density of 100 mA g and exhibit a competitive rate performance with the reversible capacity of 175 mAh g at 5 A g. This study provides a promising route to improve the performance of vanadium-based cathodes for aqueous zinc-ion batteries with electrolyte optimization in cost-effective electrolytes.
Wei S, Wang Y, Chen S, Song L Chem Sci. 2024; 15(21):7848-7869.
PMID: 38817580 PMC: 11134340. DOI: 10.1039/d4sc00292j.
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PMID: 34071576 PMC: 8229935. DOI: 10.3390/nano11061429.