Knowledge Management System Of Qinghai Institute of Salt Lakes,CAS
| Active Mechanism of the Interphase Film-Forming Process for an Electrolyte Based on a Sulfolane Solvent and a Chelato-Borate Complex | |
Li, Chunlei; Wang, Peng; Li, Shiyou; Zhao, Dongni; Zhao, Qiuping; Liu, Haining ; Cui, Xiaoling
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| 2018-08-01 | |
| 发表期刊 | ACS APPLIED MATERIALS & INTERFACES
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| ISSN | 1944-8244 |
| 卷号 | 10期号:30页码:25744-25753 |
| 关键词 | Lithium Bis(Oxalato)Borate Sulfolane Electric Double Layer Solid Electrolyte Interphase Density Functional Theory |
| 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. |
| DOI | 10.1021/acsami.8b05125 |
| 语种 | 英语 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.isl.ac.cn/handle/363002/33811 |
| 专题 | 中国科学院青海盐湖研究所 盐湖资源与化学实验室 |
| 推荐引用方式 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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| Active Mechanism of （9551KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | 浏览 请求全文 | |
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