Fusion Bonding Technique for Solvent-Free Fabrication of All-Solid-State Battery with Ultrathin Sulfide Electrolyte

© 2024 Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 29 vom: 16. Juli, Seite e2401909
1. Verfasser: Hu, Lei (VerfasserIn)
Weitere Verfasser: Ren, Yulang, Wang, Ciwei, Li, Jiedong, Wang, Zehai, Sun, Fu, Ju, Jiangwei, Ma, Jun, Han, Pengxian, Dong, Shanmu, Cui, Guanglei
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article bipolar and pouch cells fusion bonding solvent‐free stress‐dissipation sulfide all‐solid‐state batteries
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520 |a For preparing next-generation sulfide all-solid-state batteries (ASSBs), the solvent-free manufacturing process has huge potential for the advantages of economic, thick electrode, and avoidance of organic solvents. However, the dominating solvent-free process is based on the fibrillation of polytetrafluoroethylene, suffering from poor mechanical property and electrochemical instability. Herein, a continuously solvent-free paradigm of fusion bonding technique is developed. A percolation network of thermoplastic polyamide (TPA) binder with low viscosity in viscous state is constructed with Li6PS5Cl (LPSC) by thermocompression (≤5 MPa), facilitating the formation of ultrathin LPSC film (≤25 µm). This composite sulfide film (CSF) exhibits excellent mechanical properties, ionic conductivity (2.1 mS cm-1), and unique stress-dissipation to promote interface stabilization. Thick LiNi0.83Co0.11Mn0.06O2 cathode can be prepared by this solvent-free method and tightly adhered to CSF by interfacial fusion of TPA for integrated battery. This integrated ASSB shows high-energy-density feasibility (>2.5 mAh cm-2 after 1400 cycles of 9200 h and run for more than 10 000 h), and energy density of 390 Wh kg-1 and 1020 Wh L-1. More specially, high-voltage bipolar cell (≥8.5 V) and bulk-type pouch cell (326 Wh kg-1) are facilely assembled with good cycling performance. This work inspires commercialization of ASSBs by a solvent-free method and provides beneficial guiding for stable batteries 
650 4 |a Journal Article 
650 4 |a bipolar and pouch cells 
650 4 |a fusion bonding 
650 4 |a solvent‐free 
650 4 |a stress‐dissipation 
650 4 |a sulfide all‐solid‐state batteries 
700 1 |a Ren, Yulang  |e verfasserin  |4 aut 
700 1 |a Wang, Ciwei  |e verfasserin  |4 aut 
700 1 |a Li, Jiedong  |e verfasserin  |4 aut 
700 1 |a Wang, Zehai  |e verfasserin  |4 aut 
700 1 |a Sun, Fu  |e verfasserin  |4 aut 
700 1 |a Ju, Jiangwei  |e verfasserin  |4 aut 
700 1 |a Ma, Jun  |e verfasserin  |4 aut 
700 1 |a Han, Pengxian  |e verfasserin  |4 aut 
700 1 |a Dong, Shanmu  |e verfasserin  |4 aut 
700 1 |a Cui, Guanglei  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Advanced materials (Deerfield Beach, Fla.)  |d 1998  |g 36(2024), 29 vom: 16. Juli, Seite e2401909  |w (DE-627)NLM098206397  |x 1521-4095  |7 nnns 
773 1 8 |g volume:36  |g year:2024  |g number:29  |g day:16  |g month:07  |g pages:e2401909 
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