中文版 | English
Title

Ligand-Substitution Chemistry Enabling Wide-Voltage Aqueous Hybrid Electrolyte for Ultrafast-Charging Batteries

Author
Corresponding AuthorHou, Xianhua; Li, Hongfei
Publication Years
2022-10-01
DOI
Source Title
ISSN
1614-6832
EISSN
1614-6840
Abstract

The further development of sodium-zinc hybrid batteries (SZBs) is seriously impeded by the narrow electrochemical stability window (ESW) of aqueous electrolytes. Exploring appropriate electrolytes with both wide ESW and high ionic conductivity is of great importance to achieve high-performance SZBs yet remain challenging. Here, a rationally designed Na+/Zn2+ hybrid electrolyte is developed via a ligand-substitution strategy, which effectively extends the ESW up to 2.9 V and combines with high ionic conductivity of 19.6 mS cm(-1). The ligand exchange process reconfigures the cation solvation structure and optimizes the carrier mobility environment. Furthermore, Na+/Zn2+ hybrid cells are assembled by pairing Zn anode with two different kinds of sodium superionic conductor (NASICON) type cathodes, achieving a promising rate performance and long cycle life (3 A g(-1) over 1000 cycles). Meanwhile, the high electrochemical reactivity of water molecules promotes the formation of the high-quality NaF/ZnF2-rich cathode electrolyte interphases, inhibiting the uncontrolled decomposition of the electrolyte on the cathode interface. This work provides guidance for designing aqueous hybrid electrolytes with wide ESW and high carrier mobility.

Keywords
URL[Source Record]
Indexed By
Language
English
SUSTech Authorship
Corresponding
Funding Project
Guangdong Basic and Applied Basic Research Foundation[
WOS Research Area
Chemistry ; Energy & Fuels ; Materials Science ; Physics
WOS Subject
Chemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS Accession No
WOS:000864412700001
Publisher
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:5
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/405953
DepartmentSchool of System Design and Intelligent Manufacturing
Affiliation
1.South China Normal Univ, Guangdong Prov Key Lab Quantum Engn & Quantum Mat, Guangdong Hong Kong Joint Lab Quantum Matter, Sch Phys & Telecommun Engn,Guangdong Engn Technol, Guangzhou 510006, Guangdong, Peoples R China
2.Songshan Lake Mat Lab, Dongguan 523808, Guangdong, Peoples R China
3.City Univ Hong Kong, Kowloon, Dept Mat Sci & Engn, Hong Kong 999077, Peoples R China
4.Southern Univ Sci & Technol, Sch Syst Design & Intelligent Mfg, Shenzhen 518055, Peoples R China
Corresponding Author AffilicationSchool of System Design and Intelligent Manufacturing
Recommended Citation
GB/T 7714
Zhao, Xiliang,Yan, Jiawei,Hong, Hu,et al. Ligand-Substitution Chemistry Enabling Wide-Voltage Aqueous Hybrid Electrolyte for Ultrafast-Charging Batteries[J]. Advanced Energy Materials,2022.
APA
Zhao, Xiliang.,Yan, Jiawei.,Hong, Hu.,Zhao, Yuwei.,Li, Qing.,...&Li, Hongfei.(2022).Ligand-Substitution Chemistry Enabling Wide-Voltage Aqueous Hybrid Electrolyte for Ultrafast-Charging Batteries.Advanced Energy Materials.
MLA
Zhao, Xiliang,et al."Ligand-Substitution Chemistry Enabling Wide-Voltage Aqueous Hybrid Electrolyte for Ultrafast-Charging Batteries".Advanced Energy Materials (2022).
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