Fig. 1: Morphological evolution of single-crystal Li metal growing at the Cu|LLZO interface. | Nature Communications

Fig. 1: Morphological evolution of single-crystal Li metal growing at the Cu|LLZO interface.

From: Visualizing the failure of solid electrolyte under GPa-level interface stress induced by lithium eruption

Fig. 1

a Schematic of the anode-free Cu|LLZO|Li nanobattery setup for in situ TEM probing. b–h Time-lapsed TEM images revealing the Li growth on the LLZO surface by creeping under a rigid constraint from the Cu current collector at low deposition rate, which enlarged the Li|LLZO interface area. i SAED pattern of the plated single-crystal b.c.c. Li. j Evolution of crystallographic planes on the growing Li surface and the angle between them in c–g. Scale bars: b, h, 200 nm; i, 2 nm−1.

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