Sökning: WFRF:(Strach Michal 1988) >
Self-Standing, Robu...
-
Danyliv, OlesiaChalmers University of Technology, Sweden,Chalmers tekniska högskola
(författare)
Self-Standing, Robust Membranes Made of Cellulose Nanocrystals (CNCs) and a Protic Ionic Liquid : Toward Sustainable Electrolytes for Fuel Cells
- Artikel/kapitelEngelska2021
Förlag, utgivningsår, omfång ...
-
2021-07-06
-
American Chemical Society,2021
-
printrdacarrier
Nummerbeteckningar
-
LIBRIS-ID:oai:DiVA.org:ri-55675
-
https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-55675URI
-
https://doi.org/10.1021/acsaem.1c00452DOI
-
https://research.chalmers.se/publication/525168URI
Kompletterande språkuppgifter
-
Språk:engelska
-
Sammanfattning på:engelska
Ingår i deldatabas
Klassifikation
-
Ämneskategori:ref swepub-contenttype
-
Ämneskategori:art swepub-publicationtype
Anmärkningar
-
Funding details: Stiftelsen för Strategisk Forskning, SSF, FFL-15 0092; Funding details: Knut och Alice Wallenbergs Stiftelse, 2016-0220; Funding text 1: The authors acknowledge the Swedish Foundation for Strategic Research (SSF, grant FFL-15 0092) and the Knut & Alice Wallenberg Foundation (Wallenberg Academy Fellows, grant 2016-0220) for the financial support as well as Chalmers Materials Analysis Laboratory (CMAL) for the XRD and SAXS instruments. Mina Fazilati and Szilvia Vavra (PhD students at Chalmers) are acknowledged for their help in using optical microscopy and collecting SEM images, respectively. The authors thank Eduard Maurina Morais for help in mounting the cell for a fuel cell test.
-
Energy-conversion devices based on the phenomenon of proton conduction, for example, polymer electrolyte membrane fuel cells (PEMFCs), require low cost and sustainable electrolytes with high ionic conductivity and good mechanical properties under anhydrous conditions and at temperatures up to 150 °C. Biopolymers possess an intrinsic thermomechanical stability but an insufficient proton conductivity in the dry state, which however may be imparted by a protic ionic liquid (PIL). This work presents the preparation and properties of composite membranes made of cellulose nanocrystals (CNCs) and a PIL. The membranes are thermally stable and display an ionic conductivity within the range 10-4-10-3 S/cm for temperatures between 120 and 160 °C. Moreover, the analysis of the biopolymer's apparent dimensions at nanoscale reveals a dependence of the CNCs' defects, twisting, and aggregation in the presence of the PIL. Preliminary tests using a simple fuel cell setup demonstrate a response of the membranes to the inlet of H2 gas, with a generation of electrical current. These findings provide a solid groundwork for further development and future studies of biopolymer/PIL electrolytes for energy applications. © 2021 The Authors.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
-
Strach, Michal,1988Chalmers University of Technology, Sweden,Chalmers tekniska högskola(Swepub:cth)strach
(författare)
-
Nechyporchuk, OleksandrRISE,Kemi, biomaterial och textil,RISE Research Institutes of Sweden(Swepub:cth)olenec
(författare)
-
Nypelö, Tiina,1982Chalmers University of Technology, Sweden,Chalmers tekniska högskola(Swepub:cth)nypelo
(författare)
-
Martinelli, Anna,1978Chalmers University of Technology, Sweden,Chalmers tekniska högskola(Swepub:cth)annamart
(författare)
-
Chalmers University of Technology, SwedenChalmers tekniska högskola
(creator_code:org_t)
Sammanhörande titlar
-
Ingår i:ACS Applied Energy Materials: American Chemical Society4:7, s. 6474-64852574-0962
Internetlänk
Hitta via bibliotek
Till lärosätets databas