Super-Ionic Conductor Soft Filler Promotes Li+ Transport in Integrated Cathode-Electrolyte for Solid-State Battery at Room Temperature

© 2024 Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 27 vom: 02. Juli, Seite e2403078
1. Verfasser: Yang, Binbin (VerfasserIn)
Weitere Verfasser: Deng, Chenglong, Chen, Nan, Zhang, Fengling, Hu, Kaikai, Gui, Boshun, Zhao, Liyuan, Wu, Feng, Chen, Renjie
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article composite polymer electrolyte integrated electrode room temperature solid‐state lithium metal battery super‐ionic conductor soft filler
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520 |a Composite polymer solid electrolytes (CPEs), possessing good rigid flexible, are expected to be used in solid-state lithium-metal batteries. The integration of fillers into polymer matrices emerges as a dominant strategy to improve Li+ transport and form a Li+-conducting electrode-electrolyte interface. However, challenges arise as traditional fillers: 1) inorganic fillers, characterized by high interfacial energy, induce agglomeration; 2) organic fillers, with elevated crystallinity, impede intrinsic ionic conductivity, both severely hindering Li+ migration. Here, a concept of super-ionic conductor soft filler, utilizing a Li+ conductivity nanocellulose (Li-NC) as a model, is introduced which exhibits super-ionic conductivity. Li-NC anchors anions, and enhances Li+ transport speed, and assists in the integration of cathode-electrolyte electrodes for room temperature solid-state batteries. The tough dual-channel Li+ transport electrolyte (TDCT) with Li-NC and polyvinylidene fluoride (PVDF) demonstrates a high Li+ transfer number (0.79) due to the synergistic coordination mechanism in Li+ transport. Integrated electrodes' design enables stable performance in LiNi0.5Co0.2Mn0.3O2|Li cells, with 720 cycles at 0.5 C, and 88.8% capacity retention. Furthermore, the lifespan of Li|TDCT|Li cells over 4000 h and Li-rich Li1.2Ni0.13Co0.13Mn0.54O2|Li cells exhibits excellent performance, proving the practical application potential of soft filler for high energy density solid-state lithium-metal batteries at room temperature 
650 4 |a Journal Article 
650 4 |a composite polymer electrolyte 
650 4 |a integrated electrode 
650 4 |a room temperature 
650 4 |a solid‐state lithium metal battery 
650 4 |a super‐ionic conductor soft filler 
700 1 |a Deng, Chenglong  |e verfasserin  |4 aut 
700 1 |a Chen, Nan  |e verfasserin  |4 aut 
700 1 |a Zhang, Fengling  |e verfasserin  |4 aut 
700 1 |a Hu, Kaikai  |e verfasserin  |4 aut 
700 1 |a Gui, Boshun  |e verfasserin  |4 aut 
700 1 |a Zhao, Liyuan  |e verfasserin  |4 aut 
700 1 |a Wu, Feng  |e verfasserin  |4 aut 
700 1 |a Chen, Renjie  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Advanced materials (Deerfield Beach, Fla.)  |d 1998  |g 36(2024), 27 vom: 02. Juli, Seite e2403078  |w (DE-627)NLM098206397  |x 1521-4095  |7 nnns 
773 1 8 |g volume:36  |g year:2024  |g number:27  |g day:02  |g month:07  |g pages:e2403078 
856 4 0 |u http://dx.doi.org/10.1002/adma.202403078  |3 Volltext 
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