Transient Ruddlesden–Popper-Type Defects and Their Influence on Grain Growth and Properties of Lithium Lanthanum Titanate Solid Electrolyte
Petruša Borštnar,
Goran Dražić,
Martin Šala
et al.
Abstract:Lithium lanthanum
titanate (LLTO) perovskite is one of the most
promising electrolytes for all-solid-state batteries, but its performance
is limited by the presence of grain boundaries (GBs). The fraction
of GBs can be significantly reduced by the preparation of coarse-grained
LLTO ceramics. In this work, we describe an alternative approach to
the fabrication of ceramics with large LLTO grains based on self-seeded
grain growth. In compositions with the starting stoichiometry for
the Li0.20La0.60TiO3 phase and … Show more
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