A free-standing CaO infused PVdF-HFP/PMMA polymer-nanocomposite as solid-state electrolytes for energy storage applications

被引:3
作者
Vijaya, B. [1 ]
Rani, M. Usha [1 ]
机构
[1] Vellore Inst Technol, Sch Adv Sci, Dept Phys, Vellore 632 014, India
关键词
PVdF-HFP; PMMA; CaO; Polymer electrolyte; Ionic conductivity; BLEND ELECTROLYTES; IONIC-CONDUCTION; BARIUM-TITANATE; PERFORMANCE; MEMBRANE; FILLER;
D O I
10.1007/s11581-024-05738-4
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Energy storage devices play a crucial role in all kinds of electronic devices. Rechargeable lithium-ion batteries have run across problems such as energy density, toughness, and safety. In order to conquer these hindrances, in this work, a novel solid-state polymer electrolyte for lithium-ion batteries was synthesized by blending polymethyl methacrylate (PMMA) in poly (vinylidene fluoride-co-hexafluoropropylene) (PVdF-HFP) with constant weight percent of ethylene carbonate (EC) and lithium bis (trifluoro methane sulfonyl) imide (LiTFSI), and different concentrations of calcium oxide (CaO). The composite polymer electrolytes (CPEs) (PVdF-HFP:PMMA:LiTFSI:EC:CaO) were fabricated using the solution casting technique. Powder XRD reveals enhancement in intensity with increasing CaO content. FTIR shows the interaction between the polymer-salt matrix. Among the analyzed films, PVdF-HFP:PMMA:LiTFSI:EC:CaO (10 wt.%) exhibits high ionic conductivity (10-4 S/cm) and good electrochemical (4 V) and thermal stability (350degree celsius) which makes it suitable for solid-state electrolyte as a separator in energy storage applications.
引用
收藏
页码:6061 / 6071
页数:11
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