Change search
ReferencesLink to record
Permanent link

Direct link
Spark plasma versus conventional sintering in the electrical properties of Nasicon-type materials
Show others and affiliations
Number of Authors: 5
2015 (English)In: Journal of Alloys and Compounds, ISSN 0925-8388, E-ISSN 1873-4669, Vol. 651, 636-642 p.Article in journal (Refereed) Published
Abstract [en]

Li1+xMxTi2-x(PO4)(3) powders with x = 0 and 0.3 and M = Al, Cr and Fe have been sintered by conventional sintering (CS) and Spark Plasma Sintering (SPS), and the electrical properties have been compared. The use of SPS allows preparing samples with higher density at lower temperature and shorter time than the CS, avoiding segregation of secondary phases and with reduced crystallite size. The introduction of aluminum, chromium and iron in the LiTi2(PO4)(3) (LTP) clearly enhances ionic conductivity even if the samples have similar densities. Despite the different level of density reached with CS and SPS, the activation energies of dc and grain boundary contributions are very similar and the differences in ionic conductivity are determined by pre-exponential factors. The samples produced by SPS showed a well-defined grain boundary meaning a more homogenous electrical contact.

Place, publisher, year, edition, pages
2015. Vol. 651, 636-642 p.
Keyword [en]
Electrode materials, Sintering, Ionic conduction
National Category
Chemical Sciences Materials Engineering
URN: urn:nbn:se:su:diva-122234DOI: 10.1016/j.jallcom.2015.08.126ISI: 000361830700093OAI: diva2:866631
Available from: 2015-11-03 Created: 2015-10-28 Last updated: 2015-11-03Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full text
By organisation
Department of Materials and Environmental Chemistry (MMK)
In the same journal
Journal of Alloys and Compounds
Chemical SciencesMaterials Engineering

Search outside of DiVA

GoogleGoogle Scholar
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Altmetric score

Total: 6 hits
ReferencesLink to record
Permanent link

Direct link