Li+-Permeable Film on Lithium Anode for Lithium Sulfur Battery
Source abstract
Abstract
Lithium–sulfur (Li–S) battery is an important candidate for next-generation energy storage. However, the reaction between polysulfide and lithium (Li) anode brings poor cycling stability, low Coulombic efficiency, and Li corrosion. Herein, we report a Li protection technology. Li metal was treated in crown ether containing electrolyte, and thus, treated Li was further used as the anode in Li–S cell. Due to the coordination between Li + and crown ether, a Li + -permeable film can be formed on Li, and the film is proved to be able to block the detrimental reaction between Li anode and polysulfide. By using the Li anode pretreated in 2 wt % B15C5-containing electrolyte, Li–S cell exhibits significantly improved cycling stability, such as∼900 mAh g –1 after 100 cycles, and high Coulombic efficiency of>93%. In addition, such effect is also notable when high S loading condition is applied.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Advanced Battery Technologies Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Chemistry and Molecular Sciences, Wuhan University, Hubei 430072, China
Chemistry and Pharmaceutical Engineering, Chongqing Industry Polytechnic College, Chongqing 401120, China
Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, Wuhan University, Hubei 430072, China
Funding
Ministry of Science and Technology of the People's Republic of China · National Natural Science Foundation of China
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