| 摘要 |
There is provided a hollow-shaped membrane electrode assembly for a fuel cell capable of improving power density per unit volume, wherein the hollow-shaped membrane electrode assembly for a fuel cell comprises a hollow solid electrolyte membrane, an outer electrode layer formed on the outer circumferential surface of the solid electrolyte membrane and an inner electrode layer formed on the inner circumferential surface of the solid electrolyte membrane, and wherein the hollow-shaped membrane electrode assembly for a fuel cell is formed in the shape of a spiral.
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