HIGH PERFORMANCE ELECTRODES FOR REVERSIBLE SOLID OXIDE FUEL CELLS

机译：可逆固体氧化物燃料电池的高性能电极

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We have developed high performance electrodes for reversible SOFCs. In an SOFC mode, mixed conducting samaria-doped ceria (SDC) anode was activated effectively by highly dispersed Ni electrocatalysts. A porous LaCoO_3-based cathode prepared on a thin and dense SDC interlayer exhibited a low overpotential of -0.05 V at 0.4 A cm~(-2) and 800℃ in air. A solid oxide electrolysis cell (SOEC) using the same component materials as the SOFC produced hydrogen with a small IR-free cell voltage = 1.15 V at 0.5 A cm~(-2) and 900℃ under the atmosphere of H_2 + H_2O (p[H_2O] = 0.6 atm, p[H_2] = 0.4 atm) and O_2 (1 atm).

机译：我们已经开发了用于可逆SOFC的高性能电极。在SOFC模式下，高度分散的Ni电催化剂有效地激活了混合导电的掺杂samaria的二氧化铈（SDC）阳极。在薄而致密的SDC中间层上制备的多孔LaCoO_3基阴极在0.4 A cm〜（-2）和800℃的空气中表现出低的-0.05 V过电势。使用与SOFC相同的成分材料的固体氧化物电解槽（SOEC），在H_2 + H_2O的气氛下，在0.5 A cm〜（-2）和900℃的条件下，产生的氢具有很小的无IR电池电压= 1.15V。 [H_2O] = 0.6 atm，p [H_2] = 0.4 atm和O_2（1 atm）。

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《Proceedings vol.2005-07; International Symposium on Solid Oxide Fuel Cells IX(SOFC-IX) vol.2: Materials; 20050515-20; Quebec City(CA)》|2005年|P.1410-1416|共7页
会议地点 Quebec City(CA)
作者
Hiroyuki Uchida; Norikazu Osada; Shinsuke Suzuki; Masahiro Watanabe;
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作者单位

Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Takeda 4-3, Kofu 400-8511, Japan;

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原文格式 PDF
正文语种 eng
中图分类化学电源、电池、燃料电池;
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HIGH PERFORMANCE ELECTRODES FOR REVERSIBLE SOLID OXIDE FUEL CELLS

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