Sökning: id:"swepub:oai:DiVA.org:kau-96498" >
Mass Transport in “...
Mass Transport in “Water-in-Polymer Salt” Electrolytes
-
- Khan, Ziyauddin (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten,Linköping University
-
- Martinelli, Anna, 1978 (författare)
- Chalmers University of Technology, Sweden,Chalmers Univ Technol, Dept Chem & Chem Engn, SE-41296 Gothenburg, Sweden.,Chalmers tekniska högskola
-
- Franco, Leandro R. (författare)
- Karlstads universitet,Institutionen för ingenjörsvetenskap och fysik (from 2013),Karlstad Univ, Dept Engn & Phys, S-65188 Karlstad, Sweden.,Karlstad University
-
visa fler...
-
- Kumar, Divyaratan (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten,Linköping University
-
- Idström, Alexander, 1983 (författare)
- Chalmers University of Technology, Sweden,Chalmers Univ Technol, Dept Chem & Chem Engn, SE-41296 Gothenburg, Sweden.,Chalmers tekniska högskola
-
- Evenäs, Lars, 1976 (författare)
- Chalmers University of Technology, Sweden,Chalmers Univ Technol, Dept Chem & Chem Engn, SE-41296 Gothenburg, Sweden.,Chalmers tekniska högskola
-
- Araujo, Moyses, 1975- (författare)
- Uppsala universitet,Karlstads universitet,Institutionen för ingenjörsvetenskap och fysik (from 2013),Uppsala University, Sweden,Materialteori,Karlstad Univ, Dept Engn & Phys, S-65188 Karlstad, Sweden.,Karlstad Univ, Sweden; Uppsala Univ, Sweden,Karlstad University
-
- Crispin, Xavier (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten,Linköping University
-
visa färre...
-
(creator_code:org_t)
- American Chemical Society (ACS), 2023
- 2023
- Engelska.
-
Ingår i: Chemistry of Materials. - : American Chemical Society (ACS). - 0897-4756 .- 1520-5002. ; 35, s. 6382-6395
- Relaterad länk:
-
https://doi.org/10.1...
-
visa fler...
-
https://kau.diva-por... (primary) (Raw object)
-
https://uu.diva-port... (primary) (Raw object)
-
https://liu.diva-por... (primary) (Raw object)
-
https://research.cha... (primary) (free)
-
https://urn.kb.se/re...
-
https://doi.org/10.1...
-
https://urn.kb.se/re...
-
https://urn.kb.se/re...
-
https://research.cha...
-
visa färre...
Abstract
Ämnesord
Stäng
- “Water-in-polymer salt” electrolytes (WiPSEs) based on potassium polyacrylate (PAAK) belong to a new family of “water-in-salt” electrolytes that is envisioned as a potential solution for large-scale supercapacitors to balance the electric grid at short time scales. The WiPSEs display a broad electrochemical stability window up to 3 V, yet they are nonflammable and provide high ionic conductivity (100 mS/cm) as required in high-power devices. However, the transport of matter in PAAK-based WiPSEs has not been studied. In this work, we have extensively characterized PAAK by spectroscopic methods such as Raman spectroscopy and NMR diffusometry to determine the state of water and elucidate the mechanism of ionic transport as well as its interplay with water and polymer chain dynamics, which reveals that a significant proportion of the transport in WiPSEs is attributed to hydrated cations. The results are further supported by molecular dynamics (MD) simulations. Finally, the potential of WiPSEs based on PAAK is demonstrated in an activated carbon-based supercapacitor operating up to 2 V with reasonable self-discharge. This proof of concept shows promise for low-cost and large-scale supercapacitors.
Ämnesord
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Nyckelord
- Activated carbon
- Display devices
- Electric discharges
- Electrolytes
- Electrolytic capacitors
- Molecular dynamics
- Spectroscopic analysis
- American Chemical Society
- Electric grids
- Electrochemical stabilities
- High-power devices
- Large-scales
- Non-flammable
- Polymer salts
- Salt electrolytes
- Short time scale
- Spectroscopic method
- Supercapacitor
- Physics
- Fysik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
Till lärosätets databas
- Av författaren/redakt...
-
Khan, Ziyauddin
-
Martinelli, Anna ...
-
Franco, Leandro ...
-
Kumar, Divyarata ...
-
Idström, Alexand ...
-
Evenäs, Lars, 19 ...
-
visa fler...
-
Araujo, Moyses, ...
-
Crispin, Xavier
-
visa färre...
- Om ämnet
-
- NATURVETENSKAP
-
NATURVETENSKAP
-
och Kemi
-
och Fysikalisk kemi
-
- NATURVETENSKAP
-
NATURVETENSKAP
-
och Kemi
-
och Materialkemi
-
- NATURVETENSKAP
-
NATURVETENSKAP
-
och Kemi
- Artiklar i publikationen
-
Chemistry of Mat ...
- Av lärosätet
-
Karlstads universitet
-
Uppsala universitet
-
Linköpings universitet
-
Chalmers tekniska högskola