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首页> 外文期刊>ISIJ international >Preparation of La_(0.9)Sr_(0.1)Gao.sMg_(0.2)O_3 Film by Pulse Laser Deposition (PLD) Method on Porous Ni-Fe Metal Substrate for CO_2 Electrolysis
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Preparation of La_(0.9)Sr_(0.1)Gao.sMg_(0.2)O_3 Film by Pulse Laser Deposition (PLD) Method on Porous Ni-Fe Metal Substrate for CO_2 Electrolysis

机译：多孔Ni-Fe金属基体上脉冲激光沉积（PLD）法制备La_（0.9）Sr_（0.1）Gao.sMg_（0.2）O_3薄膜的研究

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摘要

Preparation of metal supported La_(0.9)Sr_(0.1)Ga_(0.8)Mg_0(0.2)O_3 (LSGM) thin film cell for CO_2 electrolysis was studied and by using selective reduction method of NiO-NiFe_2O_4, it was found that porous Ni-Fe(9:1) based substrate with ca.30% porosity was successfully prepared without large volume change resulting in the successful preparation of LaGaO_3 dense thin film on metal substrate. By using Ce_(0.8)Sm_(0.2)O_2 (SDC) thin film, Ni diffusion from Ni-Fe substrate was prevented. CO_2 electrolysis was performed on the prepared LSGM/SDC on Ni-Fe porous substrate. When Sm_(0.5)Sr_(0.5)CoO_3 (SSC) anode was prepared by screen print method using SSC powder, sintering of SSC powder was significantly occurred resulting in the large IR loss and overpotential. In contrast, when SSC anode layer was deposited by PLD (30 min) after LSGM/ SDC layer deposition, tight contact between SSC anode and LSGM electrolyte film was obtained and the large CO_2 electrolysis current of 3 and 0.5 A/cm~2 were achieved at 973 and 773 K, respectively. Impedance analysis suggests that increased CO_2 electrolysis current was obtained by decreased IR loss and electrode overpotential.
机译：研究了负载金属的La_（0.9）Sr_（0.1）Ga_（0.8）Mg_0（0.2）O_3（LSGM）薄膜电池用于CO_2电解的制备，并通过NiO-NiFe_2O_4的选择性还原方法发现了多孔Ni-成功地制备了具有约30％孔隙率的Fe（9：1）基衬底，而没有大的体积变化，从而成功地在金属衬底上制备了LaGaO_3致密薄膜。通过使用Ce_（0.8）Sm_（0.2）O_2（SDC）薄膜，防止了Ni从Ni-Fe衬底扩散。在Ni-Fe多孔基体上，对制备的LSGM / SDC进行CO_2电解。当使用SSC粉末通过丝网印刷法制备Sm_（0.5）Sr_（0.5）CoO_3（SSC）阳极时，SSC粉末的烧结显着发生，导致大的IR损失和过电势。相反，当在LSGM / SDC层沉积之后通过PLD沉积SSC阳极层（30分钟）时，获得了SSC阳极与LSGM电解质膜之间的紧密接触，并且获得了3和0.5A / cm〜2的大CO 2电解电流。分别为973和773K。阻抗分析表明，通过减少IR损失和电极过电位可以增加CO_2电解电流。

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  • 来源
    《ISIJ international》 |2019年第4期|613-618|共6页
  • 作者

    Tatsumi ISHIHARA; Hajime KUSABA; Hack Ho KIM; Biyon Su KANG;

  • 作者单位

    Department of Applied Chemistry, Faculty of Engineering, Kyushu University, Motooka 744, Nishi-ku, Fukuoka, 819-0395 Japan,International Institute for Carbon Neutral Energy Research (WPI-I2CNER), Kyushu University, Motooka 744, Nishi-ku, Fukuoka, 819-0395 Japan;

    Department of Applied Chemistry, Faculty of Engineering, Kyushu University, Motooka 744, Nishi-ku, Fukuoka, 819-0395 Japan,International Institute for Carbon Neutral Energy Research (WPI-I2CNER), Kyushu University, Motooka 744, Nishi-ku, Fukuoka, 819-0395 Japan;

    International Institute for Carbon Neutral Energy Research (WPI-I2CNER), Kyushu University, Motooka 744, Nishi-ku, Fukuoka, 819-0395 Japan;

    Graduate School of Automotive Science, Faculty of Integrated Frontier Science, Kyushu University, Motooka 744, Nishi-ku, Fukuoka, 819-0395 Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    CO_2 electrolysis; solid oxide electrolysis cell; LaGaO_3 thin film; metal support;

    机译：CO_2电解;固体氧化物电解槽LaGaO_3薄膜;金属支撑;

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