Lanthanum Doped Barium Cobaltite as a Novel Cathode for Intermediate-temperature SOFC Using Lanthanum Gallate Electrolyte

2019 ◽  
Vol 7 (1) ◽  
pp. 1229-1234 ◽  
Author(s):  
Masami Kawasaki ◽  
Norihisa Chitose ◽  
Jun Akikusa ◽  
Taner Akbay ◽  
Hiroyuki Eto ◽  
...  
Keyword(s):  
Intermediate Temperature ◽  
Lanthanum Gallate

Demonstration of high efficiency intermediate-temperature solid oxide fuel cell based on lanthanum gallate electrolyte

2006 ◽  
Vol 408-412 ◽  
pp. 512-517 ◽  
Author(s):  
Toru Inagaki ◽  
Futoshi Nishiwaki ◽  
Jirou Kanou ◽  
Satoru Yamasaki ◽  
Kei Hosoi ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Solid Oxide Fuel Cell ◽  
High Efficiency ◽  
Solid Oxide ◽  
Intermediate Temperature ◽  
Lanthanum Gallate ◽  
Oxide Fuel

Anodic Performance and Intermediate Temperature Fuel Cell Testing of La0.75Sr0.25Cr0.5Mn0.5O3-δat Lanthanum Gallate Electrolytes

2006 ◽  
Vol 18 (4) ◽  
pp. 1001-1006 ◽  
Author(s):  
J. Peña-Martínez ◽  
D. Marrero-López ◽  
J. C. Ruiz-Morales ◽  
C. Savaniu ◽  
P. Núñez ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Intermediate Temperature ◽  
Lanthanum Gallate ◽  
Cell Testing ◽  
Intermediate Temperature Fuel Cell

Development of Intermediate-Temperature Solid Oxide Fuel Cells Using Doped Lanthanum Gallate Electrolyte

2009 ◽  
Vol 421-422 ◽  
pp. 340-343
Author(s):  
Hiroyuki Eto ◽  
Taner Akbay ◽  
Jun Akikusa ◽  
Gakuji Uozumi ◽  
Norihisa Chitose ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Solid Oxide Fuel Cells ◽  
Output Power ◽  
High Efficiency ◽  
Combined Heat And Power ◽  
Solid Oxide ◽  
Intermediate Temperature ◽  
Lanthanum Gallate ◽  
Oxide Fuel ◽  
Chp System

Intermediate-temperature(IT) solid oxide fuel cells(SOFCs) were developed using lanthanum gallate electrolyte, samarium cobaltite cathode and the cermet anode of nickel and ceria. High efficiency operation below 800°C was enabled using planar disk type cells with unique seal less stack design. The first 10 kW-class combined heat and power (CHP) system provided AC output power of 10 kW with electrical and overall efficiency of 41 and 82 %HHV, respectively. Optimization of cell-stack components to increase the output power density is in progress.

Intermediate Temperature Steam Electrolysis Using Doped Lanthanum Gallate Solid Electrolyte (2) Effects of CeO2 Interlayer on Activity

2007 ◽  
Vol 544-545 ◽  
pp. 1005-1008 ◽  
Author(s):  
Nitiphong Jirathiwathanakul ◽  
Hiroshige Matsumoto ◽  
Tatsumi Ishihara
Keyword(s):  
Solid Electrolyte ◽  
Formation Rate ◽  
Recovery Process ◽  
Intermediate Temperature ◽  
Lanthanum Gallate ◽  
Diffusion Resistance ◽  
Electrolysis Condition ◽  
New Energy ◽  
H2 Formation ◽  
Wasted Heat

Steam electrolysis is attracting much interest method to produce hydrogen and also the new energy recovery process of wasted heat energy. Up to now, Y2O3 stabilized ZrO2 (YSZ) has been used for a solid electrolyte and so the operating temperature is limited down to 1273K. This study is focused on increasing the performance of steam electrolysis by using LaGaO3 based oxide for electrolyte at intermediate temperature of 873 K, which is upper limit of the obtainable wasted heat. It was found that the formation amount of H2 is almost obeyed the Faraday law up to 1.8 V suggesting that the ionic transport number of oxide ion in LaGaO3 was kept to be 1 under the steam electrolysis condition. The electrolyzing current is improved as following order; La0.6Sr0.4CoO3<Sm0.5Sr0.5CoO3<< Ba0.6La0.4CoO3 for anode and Pt<Ni<Ni-Fe for cathode, respectively. Hydrogen production rate higher than 100 μmol ml-1 min-1 at 873 K and 300 mA cm-2 were successfully demonstrated at 1.8 V in this study. Electrolysis reaction under various reaction conditions are also presented. The H2 formation rate increased with increasing total flow rate due to the diffusion resistance.

Development of Intermediate-Temperature SOFC Module Using Doped Lanthanum Gallate

2004 ◽  
Vol 151 (10) ◽  
pp. A1712 ◽  
Author(s):  
T. Yamada ◽  
N. Chitose ◽  
J. Akikusa ◽  
N. Murakami ◽  
T. Akbay ◽  
...  
Keyword(s):  
Intermediate Temperature ◽  
Lanthanum Gallate
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