In a reversible water electrolysis system and an operation method of the reversible water electrolysis system, the reversible water electrolysis system includes a reversible water electrolysis fuel cell, a first exhaust passage, a second exhaust passage, a catalytic combustor and an air-exhaust gas…
A fuel cell system includes: a steam generator configured to heat water to generate steam; a reforming part configured to cause a reaction between the steam and hydrocarbon to generate a reformed gas containing hydrogen; a fuel cell stack, which has an anode and a cathode, and is configured to…
An aircraft system for pre-heating ammonia that flows toward an ammonia fuel cell, the system having: an ammonia-to-air heat exchanger, having: a first section through which RAM air flows, a second section through which the ammonia flows and a third section between the first and second sections…
A fuel cell electrical power generation system is described herein. The system uses a combustor to increase the pressure and temperature of exhaust gases from a fuel cell stack of the system. The combustor uses hydrogen from a hydrogen supply to provide fuel to the combustor. The increased…
A variety of methods and systems are disclosed, including, in one embodiment, a method including introducing fuel and oxygen into a solid oxide fuel cell to generate electric current, a fuel cell oxygen effluent, and a fuel cell exhaust; combusting combustion fuel and an oxygen source in the…
The present disclosure relates to a fuel cell system and a method of controlling a heater thereof. A fuel cell system according to the present disclosure includes a cathode oxygen depletion (COD) heater that is disposed on a line through which cooling water flowing into a fuel cell stack circulates…
Offenbart ist ein System zum Nutzen von Prozesswärme für mindestens einen Wärmeprozess, aufweisend einen Brenner, insbesondere einen Gasbrenner, zum Erzeugen von Wärme, aufweisend mindestens eine Prozesseinheit zum Verwerten eines ersten Teils der von dem Brenner erzeugten Wärme und aufweisend…
The invention provides a hybrid power system, which integrates an internal combustion engine with a solid oxide fuel cell (SOFC) stack and provides power for the vehicle through the internal combustion engine at first in the preheating stage of the SOFC stack, thereby solving the problem that an…
A fuel cell system includes a fuel cell configured to generate electricity by receiving a working gas, a combustor configured to combust an off-gas discharged from the fuel cell, a heat exchange device configured to supply the working gas to the fuel cell, and perform heat exchange with a…
The purpose of the present invention is to provide: fuel cell system that can further stabilize an operation of the system; and control method thereof. Fuel cell system comprises: fuel cell; a turbocharger; oxidizing gas supply line that supplies, to cathode, oxidizing gas compressed by a…
Provided is a method of operating a fuel cell system equipped with a fuel cell stack, a liquid hydrogen storage unit configured to store liquid hydrogen, a boil-off gas recovery unit configured to recover boil-off gas generated from the liquid hydrogen storage unit, and a hydrogen concentration…
The present disclosure provides methods for turbine-based energy recovery from exhaust streams in fuel cell systems. The fuel cell systems can include an expansion turbine () arranged to capture electrical energy from cathode exhaust streams. The cathode exhaust streams () can be flowed through an…
A fuel cell system comprising: a fuel cell configured to be supplied with a fuel and air to generate an electric power; a combustor configured to combust an off-gas discharged from the fuel cell to produce a combustion discharged gas; a fuel heating part configured to heat the fuel to be supplied…
A fuel cell system comprising: a fuel cell configured to be supplied with a fuel and air to generate an electric power;
In a fuel cell system, for example HTPEM fuel cells. a valve system is employed by selectively guiding exhaust gas from the burner either to the reformer for heating the reformer, especially during normal operation, or to by-pass the reformer in startup situations in order to heat the fuel cell…
A control method of a combustion system for controlling combustion of fuel within a combustor, the combustion system including the combustor having a catalyst for promoting the combustion and a first heater arranged so as to be able to supply heat to the catalyst, including: supplying the fuel and…
A fuel cell hot box for improving the system efficiency of a fuel cell. Fuel cell stack parts, an after burner, a reformer, an air pre-heating zone, and a fuel-heat exchanger are provided in a housing allowing heat of the fuel cell stack parts and heat of combustion gas generated in the after…
A fuel cell system (1) includes: a fuel cell (34) including a fuel electrode to which fuel reformed in a supply source (Gs) is supplied and an oxidizer electrode to which oxidizer gas is supplied and that generates an electric power using the fuel and the oxidizer gas; a fuel supply device (11a1)…
A fuel cell system (1) includes: a fuel cell (34) that generates power by fuel and oxidizer gas; a reforming unit (33) that generates the fuel from a reforming raw material and reforming water and supplies the fuel to the fuel cell; a combustion unit (36) that introduces combustible gas containing…
A fuel cell system (1) includes: a fuel cell (34) generating power by fuel and oxidizer gas; a reforming unit (33) generating the fuel from a reforming raw material and reforming water and supplying the fuel to the fuel cell; a combustion unit (36) introducing combustible gas containing unused fuel…
A fuel cell system, includes: a fuel cell (34) generating electricity using a fuel and an oxidant gas; a reforming unit (33) generating the fuel from a reforming raw material and reforming water, and supplying the fuel to the fuel cell; a combustion unit (36) to which a combustible gas is…
A fuel cell system (100) includes a fuel cell (34), a combusting portion (36), a casing (31), a housing (10a) accommodating the casing, a ventilation exhaust line (KL) including an intake portion (10c) and an exhaust portion (10d), the ventilation exhaust line through which air introduced by the…
The present invention pertains to a combustion device and a fuel cell system in which a failure in a control device is detected and upon such failure detection, a fuel cut-off valve can be surely closed. Each of the safety control portions 15b1 and 15b2 includes the error detecting portion (steps…
A fuel cell system includes a fuel cell (24), a reforming portion (23), a combusting portion (26), a source material supply device (42c), an oxidant gas supply device (44a), a source material flow sensor (42a), an oxidant gas flow sensor (44b), and a control unit (60) including a flame extinction…
High-temperature fuel cell system, which has a fuel gas-conducting anode and an air-conducting cathode, a reformer for fuel gas preparation, and at least one heat exchanger for post-treatment of anode exhaust gas as well as an afterburner, arranged downstream of the anode and a recirculation of a…
A suitable method for starting a SOFC system of the present invention leads to improve durability. By combusting the fuel gas supplied from the reformer to the combustion portion in S11 during system start-up, the temperatures of the reformer and the fuel cell stack are increased from room…
A fuel cell system according to the present invention includes: a fuel cell apparatus; a heating medium circulation passage (9) through which a heating medium circulates, the heating medium exchanging heat with off gas; a first heat exchanger provided on the heating medium circulation passage (9)…
A fuel cell module includes an oxygen-containing gas regulator valve for distributing and supplying the oxygen-containing gas to the heat exchanger and to the start-up combustor, a raw fuel regulator valve for distributing and supplying the raw fuel to the reformer and to the start-up combustor…
The present invention is a fuel cell system (27) including: a hydrogen generator (2) configured to cause a reforming reaction of a material gas to generate a hydrogen-containing fuel gas; a fuel cell (5) configured to cause a reaction between the fuel gas generated by the hydrogen generator and an…
Provided are a power generation system capable of preventing water inside a system from freezing due to intake air, particularly, at the time of activation of a fuel cell system, even when a temperature of the external air is low, and a method of operating the power generation system. A power…