FIELD: power industry.
SUBSTANCE: fuel element unit 1 includes set of tubes of solid-oxide fuel elements (18). Tubes (18) of solid-oxide fuel elements have porous metal outer surfaces (116), inner layers of fuel elements (112-114) and inner surfaces (118). Each of tubes (18) of solid-oxide fuel elements has at least one open end. At least one header (28) is interconnected with set of tubes (18) of solid-oxide fuel elements at operation for direction of the first reaction gas and for bringing it into contact with porous metal outer surfaces (116) and for direction of the second reaction gas and for bringing it into contact with inner surface (118). Header (28) also includes at least one bus located so that electric connection is provided at least with one surface of the group consisting of porous metal outer surfaces (116) and inner surfaces (118).
EFFECT: reducing the costs for manufacture and improving efficiency.
23 cl, 20 dwg
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