LEAP lab

Solid oxide electrochemical Cell

Solid oxide electrochemical Cell

Research Area I / SOFC & SOEC


What is Solid Oxide Fuel Cell (SOFC)? 

SOFC is one of the fuel cells that electrochemically derives its electric power from oxidizing a chemical fuel. Various Fuel Cells are characterized by their electrolyte materials; the SOFC has a solid oxide or ceramic electrolyte.


SOFC have received a great deal of attention because they are promising low-emission power generation by directly converting chemical energy into electrical power with higher efficiency. A solid oxide electrolysis cell (SOEC) is a SOFC that runs in reverse mode to achieve water-electrolysis or carbon dioxide reduction by using solid oxide or ceramic electrolyte to produce hydrogen or carbon monoxide and oxygen. SOECs mostly utilize materials and techniques relevant to SOFCs, as they operate in the reverse mode of SOFCs. Thus, solid oxide cells (SOCs) are attractive for the storage and regeneration of renewable energy by operating reversibly in SOFC and SOFC modes. However, the commercialization of SOFC, SOEC, and SOC has been limited because of several challenging issues, such as lowering operation temperature, defining durable materials, increasing power performance, developing cost-effective manufacturing, and guaranteeing reliability.


Here within, we are exploring the widespread use of new materials for the next generation of SOFC/SOECs and developing cost-competitive processing to embody the optimized device for that in the LEAP Lab. Particularly, the searching various perovskite oxides, ABO3, have been carried out for the alternative robust electrodes and the superior conductive electrolyte. We are the inherited pioneer group not only in using LSGM electrolyte as a superior ionic conductor for the next generation SOFC/SOEC following Prof. Tatsumi Ishihara but also the functional perovskite oxide electrode for a leading energy application imitating Prof. John Irvine groups.


What are the advantages of Solid Oxide Fuel Cells (SOFC)? 

SOFC direct converts the chemical energy of fuel into electrical energy without any inter-step.

Solid Oxide is utilized as the electrolyte, showing high efficiency of 50~80%.

Fuel flexibility, Low CO2 emission, Non-Precious Metal Catalyst.




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