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首页> 外文期刊>Journal of power sources >Efficient carbon dioxide electrolysis with metal nanoparticles loaded La0.75Sr0.25Cr0.5Mn0.5O3-delta cathodes
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Efficient carbon dioxide electrolysis with metal nanoparticles loaded La0.75Sr0.25Cr0.5Mn0.5O3-delta cathodes

机译：负载La0.75Sr0.25Cr0.5Mn0.5O3-δ阴极的金属纳米粒子对二氧化碳的高效电解

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摘要

Solid oxide electrolysis cells with La0.75Sr0.25Cr0.5Mn0.5O3-delta (LSCM) cathode can electrolyze CO2 to generate chemical fuels. Nevertheless, the cathode performance is limited by its electrocatalytic activity. In this work, metal nanoparticles including Ni, Cu and NiCu metals are successfully impregnated in LSCM electrode to improve its activity. XRD, XPS, SEM and TEM together confirm the metal nanocatalysts are homogeneously distributed on LSCM backbone and therefore create active electrochemical interface for CO2 splitting. Electrical properties of LSCM with impregnated metal nanoparticles are investigated and correlated to electrode performances. Electrochemical measurements show that the NiCu-LSCM demonstrates the optimum performance without degradation after operation for similar to 100 h and similar to 10 redox cycles. It is believed that the enhanced performance of CO2 electrolysis may be attributed to the synergetic effect of metal nanocatalyst and LSCM ceramic electrode. (C) 2017 Elsevier B.V. All rights reserved.
机译：带有La0.75Sr0.25Cr0.5Mn0.5O3-delta（LSCM）阴极的固体氧化物电解槽可以电解CO2以产生化学燃料。然而，阴极性能受到其电催化活性的限制。在这项工作中，包括Ni，Cu和NiCu金属的金属纳米粒子已成功地浸渍在LSCM电极中，以提高其活性。 XRD，XPS，SEM和TEM共同证实了金属纳米催化剂均匀地分布在LSCM主链上，因此为CO2分解创造了活性的电化学界面。研究了浸渍有金属纳米粒子的LSCM的电性能，并将其与电极性能相关联。电化学测量表明，NiCu-LSCM表现出最佳性能，在约100小时和约10个氧化还原循环后，其性能不会降低。据信，CO 2电解性能的提高可归因于金属纳米催化剂和LSCM陶瓷电极的协同作用。 （C）2017 Elsevier B.V.保留所有权利。

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  • 来源
    《Journal of power sources》 |2017年第30期|177-184|共8页
  • 作者

    Zhu Changli; Hou Linxi; Li Shisong; Gan Lizhen; Xie Kui;

  • 作者单位

    Fuzhou Univ, Sch Chem Engn, Xueyuan Rd 2, Fuzhou 350116, Fujian, Peoples R China|Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fuzhou 350002, Fujian, Peoples R China|Chinese Acad Sci, Fujian Inst Res Struct Matter, Fujian Prov Key Lab Nanomat, Fuzhou 350002, Fujian, Peoples R China;

    Fuzhou Univ, Sch Chem Engn, Xueyuan Rd 2, Fuzhou 350116, Fujian, Peoples R China;

    Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fuzhou 350002, Fujian, Peoples R China|Chinese Acad Sci, Fujian Inst Res Struct Matter, Fujian Prov Key Lab Nanomat, Fuzhou 350002, Fujian, Peoples R China;

    Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fuzhou 350002, Fujian, Peoples R China|Chinese Acad Sci, Fujian Inst Res Struct Matter, Fujian Prov Key Lab Nanomat, Fuzhou 350002, Fujian, Peoples R China|Fujian Agr & Forestry Univ, Sch Transportat & Civil Engn, 15 Shangxiadian Rd, Fuzhou, Fujian, Peoples R China;

    Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fuzhou 350002, Fujian, Peoples R China|Chinese Acad Sci, Fujian Inst Res Struct Matter, Fujian Prov Key Lab Nanomat, Fuzhou 350002, Fujian, Peoples R China;

  • 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

    Solid oxide electrolyser; Carbon dioxide; Cathode; LSCM; Nanocatalyst;

    机译：固体氧化物电解槽;二氧化碳;阴极;LSCM;纳米催化剂;

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