Pressurized reversible operation of a 30-cell solid oxide cell stack using carbonaceous gases

@inproceedings{Jensen2017PressurizedRO,
  title={Pressurized reversible operation of a 30-cell solid oxide cell stack using carbonaceous gases},
  author={S{\o}ren H{\o}jgaard Jensen and Hendrik Langnickel and Niels T. Hintzen and Mingsheng Chen and X. and Changchun Sun and Anne Chen Hauch and Gianfranco Butera and Loa Clausen},
  year={2017}
}
Recent theoretical studies show that reversible electrochemical conversion of H2O and CO2 to CH4 inside pressurized solid oxide cells (SOCs) combined with subsurface storage of the produced gases can facilitate seasonal electricity storage with a round-trip efficiency reaching 70-80% and a storage cost below 3 ¢/kWh. Here we show test results with a 30cell SOFCMAN 301 stack operated with carbonaceous gases at 18.7 bar and 700 ̊C in both electrolysis and fuel cell mode. The CH4 content in the… CONTINUE READING

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