Electrochemical Reduction of Oxygen and Nitric Oxide at Low Temperature on La_(1-x)Sr_xFeO_(3-δ) Cathodes

K. Kammer Hansen

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Electrochemical Reduction of Oxygen and Nitric Oxide at Low Temperature on La_(1-x)Sr_xFeO_(3-δ) Cathodes

机译：La_（1-x）Sr_xFeO_（3-δ）阴极在低温下的氧气和一氧化氮的电化学还原

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A series of six strontium-substituted lanthanum ferrites (La_(1-x)Sr_xFeO_(3-δ) x=0.00, 0.05, 0.15, 0.25, 0.35, and 0.50) were synthesized using the glycine-nitrate process and evaluated as cathodes for the electrochemical reduction of oxygen and nitric oxide in the temperature range 200 to 400 °C, using cone-shaped electrodes and cyclic voltammetry. It was shown that the ferrites had a higher activity towards the electrochemical reduction of nitric oxide than towards the electrochemical reduction of oxygen, in the investigated temperature range. The highest activity towards the electrochemical reduction of nitric oxide was found for La_(0.95)Sr_(0.05)FeO_(3-δ) at 400 °C. This compound also showed the highest activity towards the electrochemical reduction of oxygen at 400 °C. The highest apparent selectivity was found for the compound LaFeO3 at 200 °C. The materials showed ability to oxidize nitric oxide to nitrogen dioxide.

机译：使用硝酸甘氨酸法合成了一系列六种锶取代的镧铁氧体（La_（1-x）Sr_xFeO_（3-δ）x = 0.00、0.05、0.15、0.25、0.35和0.50），并作为阴极作为阴极使用锥形电极和循环伏安法在200至400°C的温度范围内电化学还原氧气和一氧化氮。结果表明，在研究的温度范围内，铁氧体对一氧化氮的电化学还原活性高于对氧的电化学还原活性。发现La_（0.95）Sr_（0.05）FeO_（3-δ）在400°C下对一氧化氮的电化学还原活性最高。该化合物还显示出在400°C下对氧气进行电化学还原的最高活性。发现在200°C下化合物LaFeO3的表观选择性最高。该材料显示出将一氧化氮氧化为二氧化氮的能力。

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《Electrocatalysis》 |2014年第3期|共6页
作者
K. Kammer Hansen;
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正文语种 eng
中图分类化学动力学、催化作用;
关键词
NO; O2; LSF;

机译：NO;O2;LSF;

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1. Electrochemical Reduction of Oxygen and Nitric Oxide at Low Temperature on La_(1-x)Sr_xFeO_(3-δ) Cathodes [J] . K. Kammer Hansen Electrocatalysis . 2014,第3期

机译：La_（1-x）Sr_xFeO_（3-δ）阴极在低温下的氧气和一氧化氮的电化学还原
2. Electrochemical reduction of oxygen and nitric oxide at low temperature on La_(1-x)Sr_xMnO_(3+s) cathodes [J] . K. Kammer Hansen Materials Research Bulletin . 2013,第9期

机译：La_（1-x）Sr_xMnO_（3 + s）阴极在低温下电化学还原氧气和一氧化氮
3. Electrochemical reduction of oxygen and nitric oxide at low temperature on Ce_(1-x)Pr_xO_(2-δ) cathodes [J] . Rebecka M. L. Werchmeister, Kent Kammer Hansen Electrochimica Acta . 2013,第Null期

机译：Ce_（1-x）Pr_xO_（2-δ）阴极在低温下电化学还原氧和一氧化氮
4. Oxygen Exchange Experiments on La_(1-x)Sr_xCoO_(3-δ) as Cathode Material for Solid Oxide Fuel Cells [C] . Edith Bucher, Wolfgang Jantscher, Artur Benisek, European solid oxide fuel cell forum . 2000

机译：La_（1-x）Sr_xCoO_（3-δ）作为固体氧化物燃料电池正极材料的氧交换实验
5. Synthesis and characterization of gadolinium(1-x) strontium(x) cobalt(1-y) iron(y) oxygen(3-delta) as a cathode material for intermediate-temperature solid oxide fuel cells. [D] . Dyck, Christopher R. 2003

机译：intermediate（1-x）锶（x）钴（1-y）铁（y）氧（3-delta）的合成和表征，作为中温固体氧化物燃料电池的阴极材料。
6. Oxygen Reduction and Evolution on Ni‐modified Co3O4(1 1 1) Cathodes for Zn–Air Batteries: A Combined Surface Science and Electrochemical Model Study [O] . Dr. Florian Buchner, Dr. Markus Eckardt, Timo Böhler, -1

机译：镍-空气电池用镍修饰的Co3O4（1 1 1）阴极上的氧还原与放出：结合表面科学和电化学模型研究
7. Electrochemical Reduction of Oxygen and Nitric oxide at low Temperature on La_1-xSr_xCr_0.97V_0.03O_3-δ Cathodes [O] . Kammer Hansen Kent 2013

机译：低温下氧气和一氧化氮的电化学还原La _{1-x sr _{x Cr _{0.97 V _{0.03 O _3-δ阴极}}}}
8. Oxygen reduction at a stabilized zirconia interface with Y(sub 1-x)Ca(sub x)MnO(sub 3) or La(sub 1-x)Sr(sub x)MnO(sub 3) cathode materials. [R] . Youngblood, G. E., Pederson, L. R., Bates, J. L., 1993

机译：在稳定的氧化锆界面处用Y（sub 1-x）Ca（sub x）mnO（sub 3）或La（sub 1-x）sr（sub x）mnO（sub 3）阴极材料进行氧还原。

Electrochemical Reduction of Oxygen and Nitric Oxide at Low Temperature on La_(1-x)Sr_xFeO_(3-δ) Cathodes

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