FUEL CELL SYSTEM

• Main Author: SATO MASASHI
• Format: Patent
• Language: English; Japanese
• Published: 17.06.2021
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

To provide a fuel cell system in which startup delay is suppressed.SOLUTION: A fuel cell system 1 comprises: a first combustor 63; an evaporator 64 for combustor which performs a heat exchange of a combustion gas from the first combustor 63 and a fuel from a fuel tank 23; a modification processing unit 31 which performs modification processing of the fuel by performing the heat exchange of the combustion gas from the first combustor 63 and the fuel from the fuel tank 23; an air heat exchanger 43 which performs a heat exchange of the combustion gas from the first combustor 63 and a cathode gas; a first fuel supply passage 65a which supplies the fuel from the evaporator 64 for combustor to the upstream of the first combustor 63; a second fuel supply passage 65b which supplies the fuel from the evaporator 64 for combustor to the upstream of the air heat exchanger 43; an exhaust combustion gas passage 66 which discharges the combustion gas from the evaporator 64 for combustor to an exhaust system 68 at least via the air heat exchanger 43; and a second combustor 69 which is configured by coating a high-temperature-side passage of the air heat exchanger 43 with a catalyst.SELECTED DRAWING: Figure 1 【課題】始動の遅れが抑制される燃料電池システムを提供する。【解決手段】燃料電池システム１は、第１燃焼器６３と、第１燃焼器６３からの燃焼ガスと燃料タンク２３からの燃料との熱交換を行う燃焼器用蒸発器６４と、第１燃焼器６３からの燃焼ガスと燃料タンク２３からの燃料との熱交換を行うことにより、燃料の改質処理を行う改質処理装置３１と、第１燃焼器６３からの燃焼ガスとカソードガスとの熱交換を行う空気熱交換器４３と、燃焼器用蒸発器６４からの燃料を第１燃焼器６３の上流に供給する第１燃料供給通路６５ａと、燃焼器用蒸発器６４からの燃料を空気熱交換器４３の上流に供給する第２燃料供給通路６５ｂと、燃焼器用蒸発器６４からの燃焼ガスを少なくとも空気熱交換器４３を介して排気系６８に排出する排気燃焼ガス通路６６と、空気熱交換器４３の高温側通路に触媒を塗布することで構成される第２燃焼器６９と、を備える。【選択図】図１