MEA/cell preparation methods: Japan/Asia
Fuel Cell Technology and Applications
Solid oxide fuel cells and systems (SOFC)
Published Online: 15 DEC 2010
Copyright © John Wiley & Sons, Ltd. All rights reserved.
Handbook of Fuel Cells
How to Cite
Suzuki, M. 2010. MEA/cell preparation methods: Japan/Asia. Handbook of Fuel Cells. .
- Published Online: 15 DEC 2010
Many cell designs and manufacturing technology of membrane and electrode assembly (MEA) have been tried in Japanese solid oxide fuel cell (SOFC) developments. Since the development of SOFC stacks is related very closely with the manufacturing process and cell design, the representative MEA/cell preparation methods are described below as the tubular type and the planer type. In the early 1990s, concerning the tubular cell, it was generally considered that cost reduction was difficult, although the reliability was excellent. At that time, Japanese manufactures started developing the tubular cell by the sintering method in order to reduce cell preparation costs. The difficulty of fabricating tubular cells by the sintering method is that the dense electrolyte and interconnect film must be deposited on the porous substrate. Two kinds of slurry coating methods, dipping and printing, were applied. As of 2002, the low cost tubular cell manufacturing technology is at the 10 kW class module stage. Concerning the planer type, 15 kW modules were manufactured and tested in 2001. In this development, MEAs are fabricated with an embossed self-supporting yttria-stabilized zirconia (YSZ) electrolyte, Ni/YSZ anode and a doped LaMnO3 cathode. The dimpled MEA structure has two advantages for cost reduction. One is the increase of the active surface area and the other is the adaptable flat (ribbless) separators. An anode supported YSZ electrolyte planer cell and a doped LaGaO3 electrolyte cell are also under development in Japan.
- Japanese solid oxide fuel cell developments;
- membrane and electrode assembly/cell preparation;
- Mitsubishi Heavy Industries (MHI);
- slurry coating;
- titanate-based oxide;
- Tokyo Gas;
- electrophoretic deposition;