中文版 | English
Title

Organic Eutectic Mixture Incorporated with Graphene Oxide Sheets as Lithiophilic Artificial Protective Layer for Dendrite-Free Lithium Metal Batteries

Author
Corresponding AuthorNiu, Shuzhang; Cheng, Chun
Publication Years
2023-02-01
DOI
Source Title
ISSN
1614-6832
EISSN
1614-6840
Abstract
For wide and safe applications of Li metal batteries, the suppression of Li dendrite growth during cycling is the most crucial yet challenging topic. In this work, an artificial protective interlayer of GO-BQ@LiTFSI (GBL) is designed to overcome this issue. The GBL interlayer is prepared by incorporating graphene-oxide sheets with a liquid organic eutectic mixture of 1,4-benzoquinone and bis (trifluoromethane) sulfonamide lithium salt. With the exceptional merits of these functional materials, the incorporation endows the GBL interlayer with rich lithiophilic active sites, good ionic conductivity, superior thermal stability and compatibility with the electrolyte, and the precursor supply stations for the formation of a compact and LiF-rich solid-electrolyte interface (SEI). Consequently, the GBL effectively promotes the uniform nucleation of Li at low over-potentials and regulates the Li-ion flux, leading to the formation of planar Li metal. After utilizing the GBL interlayer in the Li||Li symmetric cells, high electrochemical stability for 600 h is achieved at a current density of 3 mA cm(-2) and a capacity of 3 mAh cm(-2). Remarkably, this modification enables Li||LiFePO4 full cells with 1600 cycles at 1C and a high-capacity retention of 95.23% with a cathode mass loading of approximate to 6 mg cm(-2).
Keywords
URL[Source Record]
Indexed By
Language
English
SUSTech Authorship
First ; Corresponding
Funding Project
National Natural Science Foundation of China["51972161","91963129"] ; Guangdong Basic and Applied Basic Research Foundation[2019A1515011805] ; Shenzhen Science and Technology Innovation Committee[JCYJ20190809115407617] ; Basic Research Project of Science and Technology Plan of Shenzhen[JCYJ20180504165655180] ; Guangdong Provincial Key Laboratory of Energy Materials for Electric Power[2018B030322001] ; Southern University of Science and Technology (SUSTech)["2021S07","2022G01","2022G02"] ; Special Funds for the Cultivation of Guangdong College Students' Scientific and Technological Innovation["pdjh2022c0005","pdjh2023b0460"]
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:000932764300001
Publisher
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:0
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/490003
DepartmentDepartment of Materials Science and Engineering
Affiliation
1.Southern Univ Sci & Technol, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China
2.Shenzhen Technol Univ, Coll New Mat & New Energies, Shenzhen 518118, Peoples R China
3.Western Sydney Univ, Ctr Infrastruct Engn, Kingwood, NSW 2751, Australia
4.Southern Univ Sci & Technol, Guangdong Prov Key Lab Energy Mat Elect Power, Shenzhen 518055, Peoples R China
First Author AffilicationDepartment of Materials Science and Engineering
Corresponding Author AffilicationDepartment of Materials Science and Engineering;  Southern University of Science and Technology
First Author's First AffilicationDepartment of Materials Science and Engineering
Recommended Citation
GB/T 7714
Xu, Lei,Zhang, Qicheng,Niu, Shuzhang,et al. Organic Eutectic Mixture Incorporated with Graphene Oxide Sheets as Lithiophilic Artificial Protective Layer for Dendrite-Free Lithium Metal Batteries[J]. Advanced Energy Materials,2023.
APA
Xu, Lei.,Zhang, Qicheng.,Niu, Shuzhang.,Wang, Xin.,Lian, Qing.,...&Cheng, Chun.(2023).Organic Eutectic Mixture Incorporated with Graphene Oxide Sheets as Lithiophilic Artificial Protective Layer for Dendrite-Free Lithium Metal Batteries.Advanced Energy Materials.
MLA
Xu, Lei,et al."Organic Eutectic Mixture Incorporated with Graphene Oxide Sheets as Lithiophilic Artificial Protective Layer for Dendrite-Free Lithium Metal Batteries".Advanced Energy Materials (2023).
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