| 摘要 |
939,555. Fuel cells. SIEMENS-SCHUCKERTWERKE A.G., and VARTA A.G. May 4, 1961 [May 7, 1960], No. 16273/61. Class 53. A fuel cell employs a diaphragm between the oxygen electrode and the fuel electrode, the diaphragm consisting of a cation exchange membrane in contact with an ion exchange membrane. The fuel may be formic acid methyl alcohol or hydrogen and the water produced by the cell reaction is formed at the contact surface of the two membranes, which therefore are preferably vertical in the cell. The combination of the two membranes K, A enables the reaction chain on each side to prove more efficiently. The electrodes 1, 2 may be formed of granular catalyst beds held by a gauze or frit as disclosed in Specification 939,026. Pipes 6a, 7a supply the fuels and valves 8, 9 are operatively coupled to equalize the pressures in the two sides of the cell. The electrodes preferably have an extended contact area with the membranes, e.g. by being partly embedded therein. Specification 794,471 also is referred to. |
