| 摘要 |
Disclosed is a fuel cell system, which bypasses a cell, bundle, or stack. The fuel cell system includes a stack, which includes at least one unit cell including an anode, a cathode, and an electrolyte formed between the anode and the cathode. The unit cell produces electricity via an electrochemical reaction of hydrogen and oxygen provided from the anode and the cathode. The fuel cell system includes switches connected in series for connecting the unit cells in series or for short-circuiting one unit cell with adjacent unit cells, and a bypass switch to connect two unit cells separated by at least one unit cell. The fuel cell system reduces or minimizes influence of a defective cell, bundle, or stack on another normal cell, bundle, or stack, and thus the fuel cell system may operate for a long time and have excellent durability.
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