期刊
CHEMICAL COMMUNICATIONS
卷 58, 期 58, 页码 8145-8148出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2cc02075k
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资金
- Qingdao Municipal Science and Technology Commission
- Qingdao University [DC1900013623, DC2000003363]
- Innovation Platform for Academicians of Hainan Province
This communication systematically illustrates the electrolyte chemistry in aqueous Zn-S batteries. Compared to Zn(AC)(2) and ZnSO4, Zn(OTF)(2) electrolyte shows better electrochemical performance due to the impact of larger CF3SO3- anions on the solvation shell structure of Zn2+. Moreover, a reversible capacity of 788 mA h g(-1) is obtained in concentrated Zn(OTF)(2) electrolyte (3 M) with higher retention due to higher Zn-nucleation overpotential and slower corrosion reactions.
In this communication, the electrolyte chemistry in aqueous Zn-S batteries was illustrated systematically. Compared to Zn(AC)(2) and ZnSO4, Zn(OTF)(2) electrolyte can achieve better electrochemical performance due to the impact of larger CF3SO3- anions on the solvation shell structure of Zn2+. Moreover, a reversible capacity of 788 mA h g(-1) in concentrated Zn(OTF)(2) electrolyte (3 M) is obtained and shows higher retention due to higher Zn-nucleation overpotential and slower corrosion reactions.
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