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Preparation of high surface area La0.1Ca0.9MnO3 and its electrochemical activities
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Chemical Reaction Engineering.ORCID iD: 0000-0002-6212-4194
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Chemical Reaction Engineering.
2007 (English)In: THERMEC 2006, Pts 1-5 / [ed] Chandra, T; Tsuzaki, K; Militzer, M; Ravindran, C, 2007, Vol. 539-543, 1361-1366 p.Conference paper (Refereed)
Abstract [en]

The use of perovskites as potential heterogeneous catalysts in a number of chemical and electrochemical reactions have attracted the research interest due to high surface reactivity and low cost. Since catalysis is strongly dependent on surface areas, texture and structural homogeneity, the development of effective modes of preparation of perovskites is of utmost importance for the achievement of high performances, especially for electrochemical applications in fuel cells and metal/air batteries. The precipitation reaction method for the synthesis of La0.1Ca0.9MnO3 at low temperatures in the presence of alkaline support electrolyte has shown significant gain in the surface and electrochemical properties. Enhanced BET-surface area of this production method as compared to the dry pyrolysis method was obtained. Multifunctional application for cathodic reactions in alkaline fuel cell (AFC) and intermediate temperature solid oxide fuel cell (IT-SOFC) as well as for bifunctional systems of both oxygen reduction reaction (orr) and oxygen evolution reaction (oer) has been investigated. Parameter optimisations of the ingoing materials and analyses of the solid-state properties of the catalyst pertaining to structural, chemical and surface characteristics have also been carried out.

Place, publisher, year, edition, pages
2007. Vol. 539-543, 1361-1366 p.
, Materials Science Forum, ISSN 0255-5476 ; 539-543
National Category
Chemical Engineering
URN: urn:nbn:se:kth:diva-41076ISI: 000245106101052ScopusID: 2-s2.0-34047148479ISBN: 978-0-87849-428-6OAI: diva2:443950
5th International Conference on Processing and Manufacturing of Advanced Materials Location: Vancouver, Canada, Date: JUL 04-08, 2006
Available from: 2011-09-27 Created: 2011-09-23 Last updated: 2011-09-27Bibliographically approved

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