%0 Journal Article
%A Guhl, Conrad
%A Kehne, Philipp
%A Ma, Qianli
%A Tietz, Frank
%A Komissinskiy, Philipp
%A Jaegermann, Wolfram
%A Hausbrand, René
%T Interfaces in solid-state sodium-ion batteries: NaCoO$_2$ thin films on solid electrolyte substrates
%J Electrochimica acta
%V 268
%@ 0013-4686
%C New York, NY [u.a.]
%I Elsevier
%M FZJ-2018-04621
%P 226 - 233
%D 2018
%X On the way to sodium-based all-solid-state batteries, interface analysis is a key issue. In this work, the interface between two typical solid sodium-ion conductors (Na-β″-Al2O3 and NASICON) and the layered oxide material NaCoO2 is investigated. The formation of the interface between the electrolyte material and the NaCoO2 coating is studied using an in-situ X-ray photoemission spectroscopy (XPS) surface science approach. Only a slight reduction of zirconium and scandium in NASICON was observed in proximity to the cathode side interface, while severe reactions, including the formation of a CaOAl2O3 mixed phase, were detected between Na-β″-Al2O3 and NaCoO2.
%F PUB:(DE-HGF)16
%9 Journal Article
%U <Go to ISI:>//WOS:000427657600025
%R 10.1016/j.electacta.2018.02.109
%U https://juser.fz-juelich.de/record/850870