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Transport propertie...
Transport properties of the Solid polymer electrolyte system P(EO)nLiTFSI
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- Edman, Ludvig, 1967- (författare)
- Lawrence Berkeley National Laboratory, Materials Science Division and Environmental Energy Technology Division, University of California, Berkeley, California 94720; Department of Materials Engineering, Monash University, Clayton, 3168 VIC, Australia
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- Doeff, Marca M. (författare)
- Lawrence Berkeley National Laboratory, Materials Science Division and Environmental Energy Technology Division, University of California, Berkeley, California 94720; Department of Materials Engineering, Monash University, Clayton, 3168 VIC, Australia
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- Ferry, Anders (författare)
- Lawrence Berkeley National Laboratory, Materials Science Division and Environmental Energy Technology Division, University of California, Berkeley, California 94720; Department of Materials Engineering, Monash University, Clayton, 3168 VIC, Australia
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- Kerr, John (författare)
- Lawrence Berkeley National Laboratory, Materials Science Division and Environmental Energy Technology Division, University of California, Berkeley, California 94720; Department of Materials Engineering, Monash University, Clayton, 3168 VIC, Australia
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- De Jonghe, Lutgard C. (författare)
- Lawrence Berkeley National Laboratory, Materials Science Division and Environmental Energy Technology Division, University of California, Berkeley, California 94720, and Department of Materials Engineering, Monash University, Clayton, 3168 VIC, Australia
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(creator_code:org_t)
- 2000-03-25
- 2000
- Engelska.
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Ingår i: Journal of Physical Chemistry B. - : American Chemical Society (ACS). - 1520-6106 .- 1520-5207. ; 104:15, s. 3476-3480
- Relaterad länk:
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https://digital.libr...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Values for the lithium ion transference number (t0+)) are reported for the solid polymer electrolyte system poly(ethylene oxide) (PEO) complexed with Li(CF3SO2)2N (LiTFSI). t0+,ranges from 0.17 ± 0.17 to 0.60 ± 0.03 in the salt concentration (c) region of 742 to 2982 mol/m3 at 85 degrees C. The concentration dependence of t0+ and the molar ionic conductivity (Λ) are shown to be in good agreement with a free volume approach over the salt-rich composition range investigated. The present t0+ results were obtained using an electrochemical technique based on concentrated solution theory. This experimentally straightforward method is herein demonstrated to give accurate results for a highly concentrated SPE system, without relying on any dubious simplifications regarding the state of the electrolyte.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- TRANSFERENCE NUMBER MEASUREMENTS
- POLY(ETHYLENE OXIDE)OXIDE)-LICF3SO3 SYSTEM
- CONDUCTIVITY BEHAVIOR
- RUBBERY ELECTROLYTES
- SALT COMPLEXES
- PHASE-DIAGRAMS
- PEO
- LICF3SO3
- DIFFUSION
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