Multi-kW-SOFC Development at Siemens

Abstract
The Siemens SOFC development program reached an important milestone early in 1994. A stack operating with hydrogen and oxygen and producing a max. power of 1.8 kW at a current density of 0.8 A/cm2 was tested for more than 300h. The SOFC configuration is based on a flat metal separator plate using the multiple cell array design. Improved PENs, functional layer and joining technique were implemented. Based on this concept, the layout of a 100 kW plant was elaborated.

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