中文版 | English
Title

Chemical Welding of the Electrode-Electrolyte Interface by Zn-Metal-Initiated In Situ Gelation for Ultralong-Life Zn-Ion Batteries

Author
Corresponding AuthorHan, Cuiping; Mo, Funian; Wang, Xin
Joint first authorQin, Yao; Li, Hongfei
Publication Years
2022-10-01
DOI
Source Title
ISSN
0935-9648
EISSN
1521-4095
Abstract

A compatible and robust electrode-electrolyte interface is favorable in resolving the severe dendritic growth and side reactions of aqueous Zn-ion batteries toward commercial-standard lifespan and charging-discharging rate. Herein, a chemical welding strategy through in situ construction of a gel electrolyte that enables Zn-ion batteries to achieve ultralong life and reversibility is reported. The gel electrolyte is spontaneously formed on the Zn anode surface by redox polymerization with the initiation of Zn metal. The direct participation of the Zn anode in the chemical synthesis of the gel electrolyte brings a well-bonded and water-poor electrode-electrolyte interface, which not only alleviates side reactions but also enables preferential (002) Zn deposition. The in situ symmetric cell thus prepared delivers an ultralong lifespan of 5100 h (>212 days), and a hybrid capacitor with the in situ electrolyte runs smoothly over 40 000 cycles at 20 A g(-1). Even at an ultrahigh current density of 40 mA cm(-2) and capacity of 40 mAh cm(-2), the cell still operates stably for 240 h, alongside a high Zn utilization with 87% depth of discharge. The in situ gel electrolyte integrating robust interface and preparation of all-in-one cells demonstrate a commercializable path for aqueous Zn-storage devices.

Keywords
URL[Source Record]
Indexed By
Language
English
Important Publications
NI Journal Papers
SUSTech Authorship
共同第一 ; Others
Funding Project
Shenzhen Municipality under the Shenzhen Science and Technology Program[DD11409018] ; Guangdong Basic and Applied Basic Research Foundation[2019A1515011819] ; Open Research Fund of Songshan Lake Materials Laboratory[2021SLABFN04] ; Songshan Lake Materials Laboratory[Y1D1031H311]
WOS Research Area
Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS Subject
Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS Accession No
WOS:000863030600001
Publisher
ESI Research Field
MATERIALS SCIENCE
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:5
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/406021
DepartmentSchool of System Design and Intelligent Manufacturing
Affiliation
1.Songshan Lake Mat Lab, Dongguan 523808, Guangdong, Peoples R China
2.Southern Univ Sci & Technol, Sch Syst Design & Intelligent Mfg, Shenzhen 518055, Guangdong, Peoples R China
3.Chinese Acad Sci, Fac Mat Sci & Energy Engn, Inst Technol Carbon Neutral, Shenzhen Inst Adv Technol, Shenzhen 518055, Guangdong, Peoples R China
4.Harbin Inst Technol, Shenzhen Key Lab Flexible Printed Elect Technol C, Shenzhen 518055, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Qin, Yao,Li, Hongfei,Han, Cuiping,et al. Chemical Welding of the Electrode-Electrolyte Interface by Zn-Metal-Initiated In Situ Gelation for Ultralong-Life Zn-Ion Batteries[J]. ADVANCED MATERIALS,2022.
APA
Qin, Yao,Li, Hongfei,Han, Cuiping,Mo, Funian,&Wang, Xin.(2022).Chemical Welding of the Electrode-Electrolyte Interface by Zn-Metal-Initiated In Situ Gelation for Ultralong-Life Zn-Ion Batteries.ADVANCED MATERIALS.
MLA
Qin, Yao,et al."Chemical Welding of the Electrode-Electrolyte Interface by Zn-Metal-Initiated In Situ Gelation for Ultralong-Life Zn-Ion Batteries".ADVANCED MATERIALS (2022).
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