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Structurally Flexib...
Structurally Flexible Pyrrolidinium- and Morpholinium-based Ionic Liquid Electrolytes
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- Bhowmick, Sourav (author)
- Luleå tekniska universitet,Kemiteknik,Luleå tekniska universitet (LTU),Luleå University of Technology (LTU)
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- Tatrari, Gaurav (author)
- Luleå tekniska universitet,Kemiteknik,Luleå tekniska universitet (LTU),Luleå University of Technology (LTU)
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- Filippov, Andrei, PhD, 1957- (author)
- Luleå tekniska universitet,Kemiteknik,Luleå tekniska universitet (LTU),Luleå University of Technology (LTU)
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- Johansson, Patrik, 1969 (author)
- Department of Physics, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden; ALISTORE-European Research Institute, CNRS FR 3104, Hub de l’Energie, 80039 Amiens, France,Chalmers tekniska högskola,Chalmers University of Technology
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- Shah, Faiz Ullah, 1981- (author)
- Luleå tekniska universitet,Kemiteknik,Luleå tekniska universitet (LTU),Luleå University of Technology (LTU)
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(creator_code:org_t)
- Royal Society of Chemistry, 2023
- 2023
- English.
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In: Physical Chemistry, Chemical Physics - PCCP. - : Royal Society of Chemistry. - 1463-9076 .- 1463-9084. ; 25:29, s. 19815-19823
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Abstract
Subject headings
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- Ion transport measures and details as well as physico-chemical and electrochemical properties are presented for a small set of structurally flexible pyrrolidinium (Pyrr) and morpholinium (Morph) cation-based ionic liquids (ILs), all with oligoether phosphate-based anions. All have high thermal stabilities, low glass transition temperatures, and wide electrochemical stability windows, but rather moderate ionic conductivities, whereas both the anions and the cations of the Pyrr-based ILs diffuse faster than those of the Morph-based ILs. Overall the former ILs have significantly more promise as high-temperature supercapacitor electrolytes, rendering a specific capacitance of 164 F g−1 at 1 mV s−1, a power density of 241 W kg−1 and a specific energy density of 30 Wh kg−1 at 90 °C in a symmetric graphite supercapacitor.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Keyword
- Ionic Liquids
- Structural flexibility
- Ion transport
- Electrochemistry
- Supercapacitors
- Chemistry of Interfaces
- Gränsytors kemi
Publication and Content Type
- ref (subject category)
- art (subject category)
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