Importance

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Abstract

A compressor includes a stack of electrochemical cells each including an anode, a cathode, and an electrolyte membrane sandwiched therebetween, an end plate at an end in a stacking direction of the stack, and a voltage applicator that applies a voltage between the anode and the cathode, wherein, the compressor causes, by using the voltage applicator to apply the voltage, hydrogen in a hydrogen-containing gas fed to the anode to move to the cathode and produces compressed hydrogen, the end plate has a first channel through which a heating medium flows, the stack has a second channel extending therethrough and connected to the first channel, the first channel has a smaller cross-sectional area than the second channel and includes an annular channel and a transverse passage extending across the annular channel, and an external channel disposed outside the stack and through which the heating medium flows is connected to the transverse passage.

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First Claim