FIELD: machine building.
SUBSTANCE: gas diffusion medium for fuel element is characterized such that contains microporous region [A], material of electrode base, and microporous region [B], that are located in the specified sequence; at that the microporous region [A] has fraction of area in range from 5 to 70%, and the microporous region [B] has fraction of area in range from 80 to 100%.
EFFECT: low air permeability in plane, and well drainage properties and ability to show high operation characteristics of the fuel element in wide temperature range from low to high temperatures.
8 cl, 17 dwg, 4 tbl, 6 ex
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