摘要：【中文】本发明属于电池领域，具体涉及一种燃料电池动态性能测试系统，包括提供符合预设标准氢气的供氢单元、提供符合预设标准氧气的供氧单元、与燃料电池阳极相连的第一压差传感器、与燃料电池阴极相连的第二压差传感器，所述供氢单元与第一压差传感器相连向燃料电池阳极提供氢气，所述供氧单元与第二压差传感器相连向燃料电池阴极提供氧气；所述测试系统还包括电子负载、交流阻抗测试仪、氢气浓度传感器和数据采集及处理单元，所述电子负载、氢气浓度传感器均与燃料电池相连。本发明的有益效果是：本发明能及时发现并调节燃料电池的水平衡问题，提高燃料电池效率，延长燃料电池的使用寿命，并使燃料电池测试运行更加安全可靠。 【EN】The invention belongs to the field of batteries, and particularly relates to a dynamic performance test system of a fuel cell, which comprises a hydrogen supply unit for providing hydrogen meeting a preset standard, an oxygen supply unit for providing oxygen meeting the preset standard, a first differential pressure sensor connected with the anode of the fuel cell, and a second differential pressure sensor connected with the cathode of the fuel cell, wherein the hydrogen supply unit is connected with the first differential pressure sensor to provide hydrogen for the anode of the fuel cell, and the oxygen supply unit is connected with the second differential pressure sensor to provide oxygen for the cathode of the fuel cell; the testing system further comprises an electronic load, an alternating current impedance tester, a hydrogen concentration sensor and a data acquisition and processing unit, wherein the electronic load and the hydrogen concentration sensor are connected with the fuel cell. The invention has the beneficial effects that: the invention can find and adjust the water balance problem of the fuel cell in time, improve the efficiency of the fuel cell, prolong the service life of the fuel cell and ensure that the test operation of the fuel cell is safer and more reliable.

摘要：【中文】本发明属于电池领域，具体涉及一种用于严寒气候下车用质子交换膜燃料电池系统，包括提供符合预设标准氢气的供氢单元、提供符合预设标准氧气的供氧单元、为燃料电池供热的加热单元、为燃料电池冷却降温的制冷单元、以及PC控制及显示单元；所述供氢单元与燃料电池阳极相连，所述供氧单元与燃料电池阴极相连，所述加热单元、制冷单元均与燃料电池相连，所述PC控制及显示单元分别与加热单元、制冷单元电连接。本发明的有益效果是：本发明的质子交换膜燃料电池能够在严寒的环境下平稳运行，分别采用冷启动系统、冷却剂循环系统、高压氮气扫气系统来保证燃料电池在严寒条件下正常运行，提高车用质子交换膜燃料电池在低温下的性能。 【EN】The invention belongs to the field of batteries, and particularly relates to a proton exchange membrane fuel cell system for a vehicle in severe cold climate, which comprises a hydrogen supply unit for providing hydrogen meeting a preset standard, an oxygen supply unit for providing oxygen meeting the preset standard, a heating unit for supplying heat to a fuel cell, a refrigerating unit for cooling the fuel cell, and a PC control and display unit; the hydrogen supply unit is connected with the anode of the fuel cell, the oxygen supply unit is connected with the cathode of the fuel cell, the heating unit and the refrigerating unit are both connected with the fuel cell, and the PC control and display unit is respectively and electrically connected with the heating unit and the refrigerating unit. The invention has the beneficial effects that: the proton exchange membrane fuel cell can stably run in a severe cold environment, and the cold starting system, the coolant circulating system and the high-pressure nitrogen scavenging system are respectively adopted to ensure the normal running of the fuel cell under the severe cold condition, so that the performance of the proton exchange membrane fuel cell for the vehicle at low temperature is improved.