FIELD: power engineering.
SUBSTANCE: tubular electrochemical reactor comprises a porous metal bearing tube (19), coated from inside by porous first electrode (21), and this first electrode is coated from inside by dense electrolyte (23). Dense electrolyte (23) is coated from inside by the second electrode (25). Besides this second electrode provides for a tubular inner surface. Tubular current collector (27) in the form of helical spring is arranged concentrically inside the second electrode (25) and in electric contact along tangent with tubular inner surface. Helical spring has module of elasticity between 6890 MPa and 344500 MPa, diametre in its normal condition per 1.016-2.032 cm is more than diametre of inner surface, and number of turns per cm (pitch) - from 0.39 to 13.78 per cm.
EFFECT: improved operational characteristics of tubular hard-oxide fuel element.
9 cl, 1 dwg
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