(JP5507384-W)      The device has a solid electrolyte, an oxygen electrode, a fuel electrode, a separator plate between adjacent fuel cells, with current collectors between a separator plate and the opposite adjacent electrode to form an electrically conducting connection between adjacent fuel cells, and with elements for feeding and discharging gaseous media. The oxygen electrode consists of SrO-doped Mn oxides with a Cr surface layer. The fuel electrode consists of Ni/ZrO2 cermet with a Ni surface layer. The separator plate is formed as a hollow body to feed, distribute and collect gaseous media. A constructional element of high resilience, which acts as a high-temp. spring, is provided between the separator plate and the current collectors in the form of an intermediate layer permeable to gas.    ADVANTAGE -   The device provides a uniform distribution of the air and fuel gas to the electrochemically active surfaces, and prevents spurious currents in the electrodes. An electrode operating temp. which is as uniform as possible is also claimed, as are inexpensive mfr. and maintenance, and the rapid replacement of individual component parts.    (US5338621-A)      The appts. comprises (a) high temp. fuel cells arranged in parallel, each having (i) a solid electrolyte, (ii) an O2 electrode comprising Mn oxides doped with SrO and having a Cr surface layer, and (iii) a fuel electrode comprising Ni/ZrO2 cermet and having an Ni surface layer, (b) a non-conducting sepg. plate formed as a double shell hollow body between two adjacent fuel cells to separate the O2 environment of the O electrodes of one cell from the fuel gas environment of the adjacent cell, and for supply and removal of gaseous media, (c) current collectors adjacent the O and fuel electrodes, and (d) non-conductive, highly elastic gas permeable elements between the sepg. plate and current collectors to press the current collector to the respective electrodes along the entire surface of the collector.    ADVANTAGE -   Inexpensive mfr. and maintenance, long service life and quick exchange of individual elements. Uniform supply of gases and operating temp. and good current transmission.