The invention discloses a vehicle-mounted SOFC auxiliary power supply system with a waste heat recovery function and a method. The vehicle-mounted SOFC auxiliary power supply system comprises a solid oxide fuel cell power generation system, a heat exchanger, a thermoelectric generator, a battery module, a phase change heat storage system and a thermoelectric refrigeration system, fuel in the solid oxide battery power generation system and air are subjected to electrochemical reaction to generate electric energy, the battery module is charged, and high-temperature tail gas is generated; high-temperature tail gas firstly enters the heat exchanger to preheat air and fuel, then thermoelectric power generation is conducted through the thermoelectric generator, and finally heat is stored through the phase change heat storage system. The SOFC serves as an auxiliary power supply system, the endurance mileage of the electric automobile can be increased, gradient utilization of energy can be achieved through the thermoelectric generator and the phase-change material heat accumulator, heat can be released from the phase-change material heat accumulator according to the use requirement to supply heat to a compartment or heat a lithium battery pack and the SOFC in a low-temperature state, and the energy utilization rate of the electric automobile is improved. And the thermoelectric refrigeration system can supply cold to the compartment.
本发明公开了一种带有余热回收的车载SOFC辅助电源系统及方法,包括固体氧化物燃料电池发电系统、换热器、热电发电机、电池模组、相变储热系统、热电制冷系统;固体氧化物电池发电系统内燃料与空气发生电化学反应产生电能,给电池模组进行充电并且产生高温尾气;高温尾气首先进入换热器预热空气与燃料,然后经过热电发电机进行温差发电,最后通过相变蓄热系统储存热量。SOFC作为辅助电源系统,除了可以提高电动汽车的续航里程,还能通过热电发电机和相变材料蓄热器能够实现能量的梯级利用,并且根据使用需求可以从相变材料蓄热器中释放热量来给车厢供热或者给低温状态下的锂电池组和SOFC加热,而热电制冷系统可为车厢供冷。
Vehicle-mounted SOFC auxiliary power supply system with waste heat recovery function and method
一种带有余热回收的车载SOFC辅助电源系统及方法
17.09.2024
Patent
Elektronische Ressource
Chinesisch
IPC: | H02N Elektrische Maschinen, soweit nicht anderweitig vorgesehen , ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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