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A thermoelectric energy conversion device operating on the heat generated by a hydrogen diffusion microflame has been developed. For the first time, a NaBH4 hydrogen generator has been employed as a source of fuel for such type of power generator. A 1%Ru–3%Co/Sibunit catalyst ensures hydrogen generation at a rate of 3 cm3 s−1 during 3 h. Power and efficiency characteristics of the integrated system...