锂电池百篇论文点评(2024.06.01-2024.07.31)

In-depth review of 100 pioneering studies on lithium batteries:Key innovations from June 1,2024 to July 31,2024

本文是近两个月锂电池文献的评述,以“lithium”和“batter*”为关键词检索了Web of Science从2024年6月1日至2024年7月31日上线的锂电池研究论文,共6113篇。首选采用BERTopic主题模型对其摘要文本进行分析,构建锂电池论文的研究主题图,再选择其中100篇加以评论。正极材料的研究集中于尖晶石结构LiNi_(0.5)Mn_(1.5)O_(4)材料和富锂材料的掺杂改性、表面包覆、结构设计等。负极材料的研究重点包括硅基负极的结构设计和性能提升、金属锂负极的界面设计。固态电解质的研究主要包括对聚合物固态电解质和卤化物固态电解质的结构设计以及相关性能研究。其他电解液和添加剂的研究则主要包括不同电解质和溶剂对各类电池材料体系适配的研究,以及对新的功能性添加剂的探索。对固态电池,正极材料的体相改性、表面包覆和合成方法、锂金属负极的界面构筑和三维结构设计、多层电解质的使用有多篇文献报道。锂硫电池的研究重点是硫正极的结构设计和电解液的开发。电池技术方面的研究还包括干法电极制备技术、黏结剂和隔膜的研究、集流体的开发和锂氧电池的电解质设计。电极中的锂离子输运和降解机制、电解液中的锂沉积形貌和SEI结构演变、全电池热失控分析,溶剂对CEI组分影响的理论模拟以及降低电池成本和优化制造工艺的论文也有多篇。

This bimonthly review provides a comprehensive overview of the recent research on lithium batteries.A total of 6113 online papers,published between June 1,2024 and July 31,2024,were examined using the Web of Science database.The BERTopic topic model was employed to analyze abstracts and map research topics related to lithium batteries.From these,100 papers were selected for detailed review to cover various aspects of lithium battery development.Cathode materials such as LiNi_(0.5)Mn_(1.5)O_(4)and lithium-rich oxides have been enhanced by doping,surface coating,and microstructural modification.The cycling performance of silicon-based anodes has improved through structural design innovations.Great efforts have focused on the interface design of lithium metal anodes.Studies on solid-state electrolytes have focused on the structural design and performance of polymer-and halide-based systems.Conversely,liquid electrolytes have seen improvements through the optimization of solvents and lithium salts for different battery applications,along with the incorporation of novel functional additives.In the context of solid-state batteries,extensive investigations have been conducted on the modification,surface coating,cathode synthesis methods,interface construction,three-dimensional structural design of lithium metal anodes,and the use of multilayer electrolytes.The structural design of cathodes and liquid electrolytes for lithium-sulfur batteries has proven beneficial in extending their cycling life.In addition,there are a few studies related to dry electrode technology,binders,and separators for cells.New current collectors and electrolytes have been explored for lithium-oxygen batteries.Moreover,numerous studies address ion transport and degradation mechanisms in electrodes,lithium deposition morphology,and solid-electrolyte interphase structural evolution in electrolytes.Other topics include thermal runaway analysis in full batteries,theoretical simulations of solvent effects on cathode-electrolyte interphase components,and efforts to reduce battery costs and optimize manufacturing processes.