Solid Polymer Electrolytes Derived from Crosslinked Polystyrene Nanoparticles Covalently Functionalized with a Low Lattice Energy Lithium Salt Moiety
| Autor: | Amartya Chakrabarti, Wendy Zhao, Ma Qiang, Christopher McGarry, Zheng Yue, Braja K. Mandal, Mei Xinyi, Hamza Dunya, Qianran He |
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| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Materials science
low lattice energy lithium salts General Chemical Engineering lithium-ion batteries chemistry.chemical_element 02 engineering and technology 010402 general chemistry 01 natural sciences Styrene lcsh:Chemistry chemistry.chemical_compound Polymer chemistry Ionic conductivity Imide chemistry.chemical_classification Ethylene oxide General Engineering Polymer 021001 nanoscience & nanotechnology 0104 chemical sciences polymer-bound lithium salts General Energy chemistry solid polymer electrolytes lcsh:QD1-999 crosslinked polystyrene Lithium 0210 nano-technology Glass transition Ethylene glycol |
| Zdroj: | ChemEngineering, Vol 4, Iss 44, p 44 (2020) ChemEngineering Volume 4 Issue 3 |
| ISSN: | 2305-7084 |
| Popis: | Three new crosslinked polystyrene nanoparticles covalently attached with low lattice energy lithium salt moieties were synthesized: poly(styrene lithium trifluoromethane sulphonyl imide) (PSTFSILi), poly(styrene lithium benzene sulphonyl imide) (PSPhSILi), and poly(styrene lithium sulfonyl-1,3-dithiane-1,1,3,3-tetraoxide) (PSDTTOLi). A series of solid polymer electrolytes (SPEs) were formulated by mixing these lithium salts with high molecular weight poly(ethylene oxide), poly(ethylene glycol dimethyl ether), and lithium bis(fluorosulfonyl)imide. The crosslinked nano-sized polymer salts improved film strength and decreased the glass transition temperature (Tg) of the polymer electrolyte membranes. An enhancement in both ionic conductivity and thermal stability was observed. For example, the SPE film containing PSTFSILi displayed ionic conductivity of 7.52 × 10&minus 5 S cm&minus 1 at room temperature and 3.0 × 3 S cm&minus 1 at 70 ° C, while the SPE film containing PSDTTOLi showed an even better performance of 1.54 × 4 S cm&minus 1 at room temperature and 3.23 × C. |
| Databáze: | OpenAIRE |
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