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Kinetics Tuning the Electrochemistry of Lithium Dendrites Formation in Lithium Batteries through Electrolytes
Tao, Ran1; Bi, Xuanxuan2,3; Li, Shu1; Yao, Ying1,4; Wu, Feng1,4; Wang, Qian5; Zhang, Cunzhong1,4,6; Lu, Jun2

Lithium batteries are one of the most advance energy storage devices in the world and have attracted extensive research interests. However, lithium dendrite growth was a safety issue which handicapped the application of pure lithium metal in the negative electrode. In this investigation, two solvents, propylene carbonate (PC) and 2-methyl-tetrahydrofuran (2MeTHF), and four Li+ salts, LiPF6, LiAsF6, LiBF4 and LiClO4 were investigated in terms of their effects on the kinetics of lithium dendrite formation in eight electrolyte solutions. The kinetic parameters of charge transfer step (exchange current density, j(0), transfer coefficient, a) of Li+/Li redox system, the mass transfer parameters of Li+ (transfer number of Li+, t(Li+), diffusion coefficient of Li+, DLI+), and the conductivity (kappa) of each electrolyte were studied separately. The results demonstrate that the solvents play a critical role in the measured j(0), t(Li+), DLi+, and kappa of the electrolyte, while the choice of Li+ salts only slightly affect the measured parameters. The understanding of the kinetics will gain insight into the mechanism of lithium dendrite formation and provide guidelines to the future application of lithium metal.

KeywordLithium Dendrites Propylene Carbonate 2-methyl-tetrahydrofuran Lithium Battery Coulombic Efficiency
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
WOS KeywordIn-situ ; Oxygen Batteries ; Metal Anode ; Rechargeable Batteries ; Lithium/polymer Cells ; Polymer Electrolytes ; Secondary Batteries ; li+/li Couple ; Growth ; Li
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
Funding OrganizationNSFC(21473011 ; National Basic Research Program of China(2014CB932300 ; U.S. Department of Energy from the Vehicle Technologies Office, Department of Energy, Office of Energy Efficiency and Renewable Energy(DE-AC02-06CH11357) ; General Program Youth of National Natural Science Foundation of China(51404230) ; 51402018) ; 2015CB251100)
WOS IDWOS:000395494200034
Citation statistics
Document Type期刊论文
Affiliation1.Beijing Inst Technol, Sch Mat Sci Engn, Beijing 100081, Peoples R China
2.Argonne Natl Lab, Chem Sci & Engn Div, 9700 South Cass Ave, Lemont, IL 60439 USA
3.Ohio State Univ, Dept Chem & Biochem, 100 West 18th Ave, Columbus, OH 43210 USA
4.Natl High Technol Dev Ctr Green Mat, Beijing 100081, Peoples R China
5.Beijing Key Lab Ionic Liquids Clean Proc, Inst Proc Engn, Key Lab Green Proc & Engn, State Key Lab Multiphase Complex Syst, Beijing, Peoples R China
6.Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Tao, Ran,Bi, Xuanxuan,Li, Shu,et al. Kinetics Tuning the Electrochemistry of Lithium Dendrites Formation in Lithium Batteries through Electrolytes[J]. ACS APPLIED MATERIALS & INTERFACES,2017,9(8):7003-7008.
APA Tao, Ran.,Bi, Xuanxuan.,Li, Shu.,Yao, Ying.,Wu, Feng.,...&Lu, Jun.(2017).Kinetics Tuning the Electrochemistry of Lithium Dendrites Formation in Lithium Batteries through Electrolytes.ACS APPLIED MATERIALS & INTERFACES,9(8),7003-7008.
MLA Tao, Ran,et al."Kinetics Tuning the Electrochemistry of Lithium Dendrites Formation in Lithium Batteries through Electrolytes".ACS APPLIED MATERIALS & INTERFACES 9.8(2017):7003-7008.
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