Exhaust device and fuel cell system

• Main Authors: GU YAOYAO, CUI HONGPO, LU BAOFA, WANG CONGKANG, WANG DONGBING, JIANG BO
• Format: Patent
• Language: Chinese; English
• Published: 03.10.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The utility model relates to an exhaust device and a fuel cell system, the exhaust device is used for exhausting a fuel cell, the exhaust device comprises a liquid injection unit, the liquid injection unit comprises a gas-water joint unit, the gas-water joint unit is connected with a cell stack of the fuel cell, and the gas-water joint unit is connected with the fuel cell stack. The gas-water joint unit comprises a first gas-water joint and a second gas-water joint, the first gas-water joint is provided with a liquid inlet, cooling liquid enters the battery stack through the liquid inlet, the second gas-water joint is provided with a liquid outlet, and the cooling liquid flows out through the liquid outlet; the exhaust unit comprises an exhaust port formed in the second gas-water connector. According to the utility model, the cooling liquid can be filled into the battery stack through the liquid supplementing pipe on the ground without climbing on the roof, and gas in the battery stack and the pipeline can be