Table 1.

Data on the physico-chemical properties of the sample NaV₃O₈ produced by solid-state synthesis obtained in this work and sample NaV₃O₈ produced by aqueous solution technique [21] compared to similar sample LiV₃O₈ [31].

Physico-Chemical Properties	Composition
	NaV3O8 Solid-State Synthesis	NaV3O8 Aqueous Solution Technique [21]	LiV3O8 Solid-State Synthesis [31]	LiV3O8 Aqueous Solution Technique [31]
particle size	1–10 μm	100 nm	1–10 μm	200 nm
conductivity, S × cm−1	6.3 × 10−2	3.2 × 10−2	7.9 × 10−2	2.5 × 10−2
V4+ content, %	8	7	5	3