Stability & aging studies of Pr-based nickelates as cathodes for SOFC - Couverture souple

Vibhu, Vaibhav

 
9783659977305: Stability & aging studies of Pr-based nickelates as cathodes for SOFC
Couverture souple
ISBN 10 : 3659977306 ISBN 13 : 9783659977305
Editeur : LAP LAMBERT Academic Publishing, 2016

Synopsis

This book is dedicated to stability and ageing studies of Praseodymium based nickelates as cathodes for Solid Oxide Fuel Cells (SOFCs). With this respect Ln2NiO4+δ (Ln=La, Pr or Nd) compounds with the K2NiF4 type structure act as alternative cathode materials for IT-SOFC due to their mixed ionic and electronic conductivity (i.e. MIEC properties). Pr2NiO4+δ shows excellent electrochemical properties at intermediate temperature (i.e. low polarization resistance Rp value, Rp = 0.03 Ω.cm² at 700 °C), while La2NiO4+δ exhibits higher chemical stability. So, the properties of La2-xPrxNiO4+δ nickelates were investigated with the aim to find best compromise between chemical stability and electrochemical performances. As an interesting point, even after complete dissociation of Pr2NiO4+δ into PrNiO3-δ, Pr4Ni3O10+δ and Pr6O11, the polarization resistance does not show significant change. So finally, two new materials PrNiO3-δ and Pr4Ni3O10+δ were investigated as SOFCs cathode showing very promising results for Pr4Ni3O10+δ in symmetrical cell (Rp (Pr4Ni3O10+δ) = Rp (Pr2NiO4+δ) = 0.15 Ω.cm² at 600 ° C) and single cell (1.6 W.cm-2 at 800 °C).

Les informations fournies dans la section « Synopsis » peuvent faire référence à une autre édition de ce titre.

Présentation de l'éditeur

This book is dedicated to stability and ageing studies of Praseodymium based nickelates as cathodes for Solid Oxide Fuel Cells (SOFCs). With this respect Ln2NiO4+δ (Ln=La, Pr or Nd) compounds with the K2NiF4 type structure act as alternative cathode materials for IT-SOFC due to their mixed ionic and electronic conductivity (i.e. MIEC properties). Pr2NiO4+δ shows excellent electrochemical properties at intermediate temperature (i.e. low polarization resistance Rp value, Rp = 0.03 Ω.cm² at 700 °C), while La2NiO4+δ exhibits higher chemical stability. So, the properties of La2-xPrxNiO4+δ nickelates were investigated with the aim to find best compromise between chemical stability and electrochemical performances. As an interesting point, even after complete dissociation of Pr2NiO4+δ into PrNiO3-δ, Pr4Ni3O10+δ and Pr6O11, the polarization resistance does not show significant change. So finally, two new materials PrNiO3-δ and Pr4Ni3O10+δ were investigated as SOFCs cathode showing very promising results for Pr4Ni3O10+δ in symmetrical cell (Rp (Pr4Ni3O10+δ) = Rp (Pr2NiO4+δ) = 0.15 Ω.cm² at 600 ° C) and single cell (1.6 W.cm-2 at 800 °C).

Biographie de l'auteur

Dr. Vibhu was born in Hazaribagh, India. He obtained a Bachelor of Science at St. Xavier's College Ranchi (India) and a Master of Technology in Nanoscience and Nanotechnology from University of Delhi (New Delhi, India) and Université Joseph Fourier (Grenoble, France). Then performed his Ph.D. at the ICMCB-CNRS, Université de Bordeaux, France.

Les informations fournies dans la section « A propos du livre » peuvent faire référence à une autre édition de ce titre.

Éditeur
LAP LAMBERT Academic Publishing
Date d'édition
2016
Langue
anglais
ISBN 10 
3659977306
ISBN 13 
9783659977305
Reliure
Broché
Nombre de pages
288
Coordonnées du fabricant
non disponible
Personne responsable
KreGa Onlinehandel GmbH
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