Stack (abstract data type)

Engineering

Oxide

Metallurgy

Materials science

Cathode

Layer (electronics)

Fuel cells

Solid oxide fuel cell

Computer science

Chemical engineering

Physical chemistry

Nanotechnology

Composite material

Contact resistance

Chemistry

Programming language

Electrical contacts

Electrode

Anode

Optoelectronics

Electrical engineering

Electrical conductor

Engineering physics

International Journal of Hydrogen Energy

The contact layer is to provide and maintain a stable conductive path between interconnects and electrodes in a planar solid oxide fuel cell (SOFC) stack, which effects contact resistance and stack power loss. The materials used in the contact layer are well developed. This article focuses on cathode contact materials. The role and material requirements of the cathode contact layer in the SOFC stack are reviewed. The common cathode contact layer materials are listed, and their electrical properties as the cathode contact layer are discussed. Due to the evolution of the SOFC stack, the preparation technology and form of the cathode contact layer have changed. Finally, the future challenges of the cathode contact layer are presented.

Progress and challenges of cathode contact layer for solid oxide fuel cell