PURPOSE: A zinc-air fuel cell unit is provided to arrange a plurality of reaction cells even in narrow space, thereby maximizing current collecting efficiency, and optimizing the design of platform of electric car or bus. CONSTITUTION: A zinc-air fuel cell unit having cylindrical cell structure comprises a current-collecting unit(10) and a cover block(20). In the current-collecting unit, electrolyte is accepted, and a plurality of through-holes are formed. The current-collecting unit collects electrons generated through the reaction of zinc balls and oxygen in the electrolyte, and consists of conductive material. The cover block is arranged to surround the current collecting unit, and has cylindrical shape.
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