Nickel-Cermet Electrodes for High-Temperature Electrochemical Devices Made Using Nanomaterials

被引：3
作者：
Kuzin, B. L. [1 ]
Beresnev, S. M. [1 ]
Osinkin, D. A. [1 ]
Bogdanovich, N. M. [1 ]
Kotov, Yu. A. [2 ]
Bagazeev, A. V. [2 ]
机构：
[1] Russian Acad Sci, Ural Div, Inst High Temp Electrochem, Ekaterinburg 620219, Russia
[2] Russian Acad Sci, Ural Div, Inst Electrophys, Ekaterinburg 620016, Russia
来源：
RUSSIAN JOURNAL OF ELECTROCHEMISTRY | 2010年 / 46卷 / 03期
关键词：
nickel-cermet electrode; nanomaterials; solid oxide electrolyte; solid-oxide fuel cells (SOFC); electrochemical activity; HIGH-PERFORMANCE; SDC COMPOSITE; FUEL-CELLS; ANODE; OXIDE; CATHODES; SOFCS;
D O I：
10.1134/S1023193510030043
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Characteristics of nickel-cermet anodes obtained from weakly aggregated NiO nanopowders made by wire electric blasting (NiO/WEB) were studied. Electrodes made of NiO/WEB nanopowders have low sheet resistance (<0.1 Ohm) and high electrochemical activity (R(eta) - 0.06-0.09 Ohm cm(2) at 850-900 degrees C). Prolonged studies of symmetric cells of the (0.9H(2) + 0.1H(2)O) Ni-SSZ + CeO(2)/YSZ/CeO(2) + Ni-SSZ (0.9H(2) + 0.1H(2)O) type at the temperature of 850 degrees C showed that the electrodes preserve sufficiently high activity (R(eta) < 0.1 Ohm cm(2)) for 1000 h. Using a NiO-WEB powder allows not performing presynthesis of nickel-cermet and decreasing the anode baking temperature to 1200 degrees C.
引用
收藏
页码：278 / 284
页数：7
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