Transition-metal interdiffusion and solid electrolyte poisoning in all-solid-state batteries revealed by cryo-TEM

Author:

Zhang Ruizhuo1ORCID,Strauss Florian1,Jiang Lin2,Casalena Lee2,Li Letian3,Janek Jürgen14ORCID,Kondrakov Aleksandr15,Brezesinski Torsten1ORCID

Affiliation:

1. Battery and Electrochemistry Laboratory, Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen 76344, Germany

2. Thermo Fisher Scientific, 5350 NE Dawson Creek Drive, Hillsboro, OR 97124, USA

3. Thermo Fisher Scientific, Achtseweg Noord 5, Eindhoven 5651 GG, The Netherlands

4. Institute of Physical Chemistry and Center for Materials Research, Justus-Liebig-University Giessen, Heinrich-Buff-Ring 17, Giessen 35392, Germany

5. BASF SE, Carl-Bosch-Str. 38, Ludwigshafen 67056, Germany

Abstract

TEM investigations under cryogenic conditions reveal transition-metal dissolution and interdiffusion into the bulk solid electrolyte in thiophosphate-based all-solid-state batteries.

Funder

BASF

Bundesministerium für Bildung und Forschung

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,Metals and Alloys,Surfaces, Coatings and Films,General Chemistry,Ceramics and Composites,Electronic, Optical and Magnetic Materials,Catalysis

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