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Active Mechanism of the Interphase Film-Forming Process for an Electrolyte Based on a Sulfolane Solvent and a Chelato-Borate Complex
Li, Chunlei1,2; Wang, Peng1; Li, Shiyou1,2; Zhao, Dongni1; Zhao, Qiuping1,2; Liu, Haining3; Cui, Xiaoling1,2
2018-08-01
Source PublicationACS APPLIED MATERIALS & INTERFACES
Volume10Issue:30Pages:25744-25753
SubtypeArticle
AbstractElectrolytes based on sulfolane (SL) solvents and lithium bis(oxalato)borate (LiBOB) chelato-borate complexes have been reported many times for use in advanced lithium-ion batteries due to their many advantages. This study aims to clarify the active mechanism of the interphase film-forming process to optimize the properties of these batteries by experimental analysis and theoretical calculations. The results indicate that the self-repairing film-forming process during the first cycle is divided into three stages: the initial film formation with an electric field force of similar to 1.80 V, the further growth of the preformation solid electrolyte interphase (SEI) film at similar to 1.73 V, and the final formation of a complete SEI film at a potential below 0.7 V. Additionally, we can deduce that the decomposition of LiBOB and SL occurs throughout nearly the entire process of the formation of the SEI film. The decomposition product of BOB- anions tends to form films with an irregular structure, whereas the decomposition product of SL is in favor of the formation of a uniform SEI film.
KeywordLithium Bis(Oxalato)Borate Sulfolane Electric Double Layer Solid Electrolyte Interphase Density Functional Theory
WOS HeadingsScience & Technology ; Technology
WOS KeywordLITHIUM-ION BATTERIES ; POLYSILOXANE-BASED ELECTROLYTE ; HIGH-VOLTAGE ELECTROLYTES ; SURFACE-FILM ; RECHARGEABLE BATTERIES ; GRAPHITE ELECTRODE ; INTERFACE SEI ; ANODE ; SPECTROSCOPY ; SUPERCAPACITORS
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000440956000089
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6642
Collection中国科学院青海盐湖研究所
盐湖资源与化学实验室
青海盐湖研究所知识仓储
Corresponding AuthorCui, Xiaoling
Affiliation1.Lanzhou Univ Technol, Coll Petrochem Technol, Lanzhou 730050, Gansu, Peoples R China
2.Gansu Engn Lab Electrolyte Mat Lithium Ion Batter, Lanzhou 730050, Gansu, Peoples R China
3.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Salt Lake Resources & Chem, Xining 810008, Qinghai, Peoples R China
Recommended Citation
GB/T 7714
Li, Chunlei,Wang, Peng,Li, Shiyou,et al. Active Mechanism of the Interphase Film-Forming Process for an Electrolyte Based on a Sulfolane Solvent and a Chelato-Borate Complex[J]. ACS APPLIED MATERIALS & INTERFACES,2018,10(30):25744-25753.
APA Li, Chunlei.,Wang, Peng.,Li, Shiyou.,Zhao, Dongni.,Zhao, Qiuping.,...&Cui, Xiaoling.(2018).Active Mechanism of the Interphase Film-Forming Process for an Electrolyte Based on a Sulfolane Solvent and a Chelato-Borate Complex.ACS APPLIED MATERIALS & INTERFACES,10(30),25744-25753.
MLA Li, Chunlei,et al."Active Mechanism of the Interphase Film-Forming Process for an Electrolyte Based on a Sulfolane Solvent and a Chelato-Borate Complex".ACS APPLIED MATERIALS & INTERFACES 10.30(2018):25744-25753.
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