Method and system for generating electrical power from carbon- and oxygen-containing fuels, using solid-oxide fuel cells (SOFC)

The integration of a reforming reactor and SOFC with recirculation and pressure regulation addresses load and temperature instability in fuel cells, ensuring anode protection and high efficiency in producing electrical energy from oxygenated carbon fuels.

WO2026139495A1PCT designated stage Publication Date: 2026-07-02WATTANYWHERE +1
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
WATTANYWHERE
Filing Date
2025-12-22
Publication Date
2026-07-02

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Abstract

The invention relates to a method for generating electrical power from a carbon- and oxygen-containing fuel, using a reforming reactor (34) and a solid-oxide fuel cell (SOFC) (40) comprising an anode (40a), a cathode (40c) and a stack (40b) between the anode (40a) and the cathode (40c), comprising the steps of: - reforming the carbon- and oxygen-containing fuel and water in the reforming reactor (34), in order to produce a syngas, - injecting the syngas into the anode (40a) and combustion air into the cathode (40c), so as to make the syngas react with the air, in order to generate a voltage between the anode (40a) and cathode (40c), - recirculating the unreacted syngas from the SOFC (40) into a catalytic burner (33), in order to provide the heat necessary for the reforming step in the reforming reactor (34), - heating the syngas to be injected into the anode (40a), in order to reach a predetermined temperature level, - controlling the variation between the pressure inside the cathode (40c) and the pressure inside the anode (40a) within a predetermined pressure variation range.
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