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Press ReleasePress Release 2010

Success in developing groundbreaking electrolyte materials

-One step forward for commercialization of SOFC-

22 Nov, 2010

Two types of novel proton conducting oxide electrolytes for solid oxide fuel cells (SOFCs) have been successfully developed. By applying these electrolytes, the commercialization of SOFCs operating in the intermediate temperature range, 500 to 650°C, has come into sight.
Figure 1

Left: Cross section of BZPY-based single cell after fuel-cell testing. Four layers are clearly visible: from left, the supporting anode, the anode functional layer (about 22 μm thick), the electrolyte (about 20μm thick), and the composite cathode.

Figure 2

Right: Voltage and power density curves of BZPY-based fuel cells measured at 550, 600 and 650°C in humidified hydrogen-+ambient air fuel cell experiments.

Figure 3

from the anode to the electrolyte layer, to occupy the In3+ sites.

Right: Fuel cell performance of electrode-supported cells using BZY electrolytes prepared by different methods and measured at 600oC in the literature reports (spin-coating cell was tested at 800˚C) as well as in the present study, indicating that the BZY cell in the present study shows the largest power density

Further information

Affiliations

Lei Bi1, Emiliana Fabbri1, Ziqi Suna1, Enrico Traversa1
  1. 1.International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS)

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