WFRF:(Mellander S)
Sökning: WFRF:(Mellander S) > (2020-2024) > Transport parameter...
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03869naa a2200433 4500 | |
| 001 | oai:research.chalmers.se:b2d73447-9f53-4700-8ff6-ce3795ce640e | |
| 003 | SwePub | |
| 008 | 220414s2022 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://doi.org/10.1007/s11581-022-04540-42 DOI |
| 024 | 7 | a https://research.chalmers.se/publication/5294712 URI |
| 040 | a (SwePub)cth | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Bandara, T M W J,d 1968u University of Peradeniya4 aut0 (Swepub:cth)bandara |
| 245 | 1 0 | a Transport parameters of charge carriers in PEO-LiTf-based, plasticized, composite, and plasticized-composite electrolytes intended for Li-ion batteries |
| 264 | c 2022-04-05 | |
| 264 | 1 | b Springer Science and Business Media LLC,c 2022 |
| 520 | a Solid polymer electrolytes are a key component in many electrochemical devices such as dye-sensitized solar cells, batteries, and supercapacitors. In this study, three electrolytes based on polyethylene oxide (PEO) host polymer, ethylene carbonate (EC) plasticizer, and Al2O3 filler were investigated. The polymer electrolytes (PEO)9(EC)9(LiCF3SO3)2, (PEO)9(LiCF3SO3)2(Al2O3)0.75, and (PEO)9(EC)9(LiCF3SO3)2(Al2O3)0.75 were characterized by analyzing DC conductivity, the frequency dependence of AC conductivity, and complex dielectric function. The conductivities of the plasticized, composite, and plasticized-composite electrolytes at 26 °C increase from 6.25, 0.009, and 2.96 mS cm-1 to 21.5, 0.12, and 11.4 mS cm-1, respectively, when the temperature increased to 70 °C. For the in-depth analysis of electrolytes, dielectric analysis was used to determine the charge carrier density (n), mobility (μ), and diffusion coefficient (D) using a newly developed method. Further, the investigation extended to study the temperature dependence of n, D, and μ. The study reveals that EC can increase the ionic conductivity by increasing n, and conversely, filler contributes by increasing μ, respectively. At 26 °C, (PEO)9(EC)9(LiCF3SO3)2(Al2O3)0.75 shows D, μ, and n of 3.8×10-11 m2 s-1, 1.5×10-9 m2 V-1 s-1, and 1.3×1027 m-3, respectively. The values obtained for D, μ, and n parameters of the plasticized electrolytes agree with those available for similar electrolytes, while the composite electrolyte showed considerably lower values for n. The complex impedance analysis can be used to determine transport parameters of all the types (plasticized, composite, and plasticized composite) of polymer electrolytes. | |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Materialteknikx Keramteknik0 (SwePub)205012 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Materials Engineeringx Ceramics0 (SwePub)205012 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Kemix Materialkemi0 (SwePub)104032 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Chemical Sciencesx Materials Chemistry0 (SwePub)104032 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Kemix Annan kemi0 (SwePub)104992 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Chemical Sciencesx Other Chemistry Topics0 (SwePub)104992 hsv//eng |
| 653 | a Polymer electrolyte | |
| 653 | a Impedance analysis | |
| 653 | a PEO | |
| 653 | a LiCF SO 3 3 | |
| 653 | a Charge transport | |
| 653 | a Conductivity | |
| 700 | 1 | a Gunasekara, L. B.E.u University of Peradeniya4 aut |
| 700 | 1 | a Gunathilake, S. M.S.u University of Peradeniya4 aut |
| 700 | 1 | a Mellander, Bengt-Erik,d 1949u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)f5xrk |
| 710 | 2 | a University of Peradeniyab Chalmers tekniska högskola4 org |
| 773 | 0 | t Ionicsd : Springer Science and Business Media LLCg 28:6, s. 2701-2714q 28:6<2701-2714x 0947-7047x 1862-0760 |
| 856 | 4 8 | u https://doi.org/10.1007/s11581-022-04540-4 |
| 856 | 4 8 | u https://research.chalmers.se/publication/529471 |
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