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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
发表期刊ACS APPLIED MATERIALS & INTERFACES
卷号10期号:30页码:25744-25753
文章类型Article
摘要Electrolytes 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.
关键词Lithium Bis(Oxalato)Borate Sulfolane Electric Double Layer Solid Electrolyte Interphase Density Functional Theory
WOS标题词Science & Technology ; Technology
关键词[WOS]LITHIUM-ION BATTERIES ; POLYSILOXANE-BASED ELECTROLYTE ; HIGH-VOLTAGE ELECTROLYTES ; SURFACE-FILM ; RECHARGEABLE BATTERIES ; GRAPHITE ELECTRODE ; INTERFACE SEI ; ANODE ; SPECTROSCOPY ; SUPERCAPACITORS
收录类别SCI
语种英语
WOS研究方向Science & Technology - Other Topics ; Materials Science
WOS类目Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS记录号WOS:000440956000089
出版者AMER CHEMICAL SOC
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6642
专题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
通讯作者Cui, Xiaoling
作者单位1.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
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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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