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Ionic liquid based ...
Ionic liquid based battery electrolytes using lithium and sodium pseudo-delocalized pyridinium anion salts
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- Hosseini Bab Anari, Elham, 1982 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Navarro Suárez, Adriana, 1983 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Moth-Poulsen, Kasper, 1978 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Johansson, Patrik, 1969 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Alistore - European Research Institute
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(creator_code:org_t)
- 2019
- 2019
- Engelska.
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Ingår i: Physical Chemistry Chemical Physics. - : Royal Society of Chemistry (RSC). - 1463-9084 .- 1463-9076. ; 21:33, s. 18393-18399
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https://research.cha...
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The electrolyte salt plays an important role for the overall performance and safety of lithium- and sodiumion batteries (LIBs and SIBs, respectively). Here, two new lithium and sodium pseudo-delocalized pyridinium anion based salts were used to prepare ionic liquid (IL) based electrolytes. The Li and Na salts of the 1-methylpyridinum 2,6-dicarboxylate anion (MM26py) were synthesized and dissolved in an IL matrix (Pyr14TFSI) – hence creating mixed anion electrolytes. The obtained electrolytes are stable up to 150 and 200 1C and show ion conductivities of 2.8 and 3.2 mS cm1 at room temperature, for the LIB and SIB electrolytes, respectively. A competitive effect between the MM26py and the TFSI anions to coordinate the alkali metal cations is observed. Finally, the electrochemical stability windows of 2.3 and 2.5 V, respectively, confirm that these electrolytes can be used practically in medium-voltage LIBs and SIBs.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
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