| 摘要 |
PCT No. PCT/JP93/00084 Sec. 371 Date Aug. 2, 1993 Sec. 102(e) Date Aug. 2, 1993 PCT Filed Jan. 21, 1993 PCT Pub. No. WO93/15022 PCT Pub. Date Aug. 5, 1993.An object of the present invention is to provide a water electrolyzer, which has higher electrolyzing efficiency and smaller size than conventional ones. In an electrolyzing tank, at least three cylindrical electrodes, each of which has different polarity with respect to adjacent one, are arranged concentrically with cylindrical partitions. Surface area of the one cylindrical electrode, which is provided between other two, is equal to the sum of surface area of an outer face of the inner cylindrical electrode and that of an inner face of the outer cylindrical electrodes, so that maximum electrolyzing efficiency can be gained.
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