The cathode wires are fixed in a rigid frame to prevent swing of wire at high gas velocity.

采用刚性框架固定极线，以防止其在高气速下摆动。

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The proton makes its way to the cathode through the electrolyte, while the electron goes there the long way round via a wire that leads into whatever the fuel cell is powering, and back again.

ECONOMIST: The dawn of micropower