| 摘要 |
PROBLEM TO BE SOLVED: To enhance the used gas efficiency and the output performance by improving the gas passage in a plate between unit cells constituting a fuel cell. SOLUTION: A gas flow groove to be provided in the area to a gas diffusion electrode is composed of an inlet side flow groove 16A for supply gas and an output side flow groove 16B which are arranged in a lattice form and an intermediate flow groove 18 in communication from the inlet groove 16A to output groove 16B is folded pluralities to generate a plurality of groups of independent passages 18A-18E wherein the folded-back parts of these independent passage groups are made lattice-form grooves 17A-17D. |
