Fig. 2 | Nature Communications

Fig. 2

From: Cross-linked beta alumina nanowires with compact gel polymer electrolyte coating for ultra-stable sodium metal battery

Fig. 2

Morphology and structural characterization of ANs and ANs–PVdF–HFP membranes. a XRD patterns of ANs prepared at different temperatures. b Surface and (c) cross-sectional SEM image of the ANs membrane. d TEM image of a single AN. e, f, g SAED patterns of areas 1, 2, and 3 in (d). h Surface and (i, j) cross-sectional SEM images of ANs–PVdF–HFP membranes. The inset in (i) is the digital image of the ANs–PVdF–HFP membrane. Scale bars, 5 μm in b, c; 500 nm in d; 5 1/nm in e, f, g; 25 μm in h; 2.5 μm inset in (h); 50 μm in i; and 10 μm in j

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