Article(id=1322942953215361649, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942385474384734, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200566, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1596124800000, receivedDateStr=2020-07-31, revisedDate=1600617600000, revisedDateStr=2020-09-21, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343779138, onlineDateStr=2026-10-30, pubDate=1611072000000, pubDateStr=2021-01-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343779138, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343779138, creator=13701087609, updateTime=1793343779138, updator=13701087609, issue=Issue{id=1322942385474384734, tenantId=1146029695717560320, journalId=1263187385517883426, year='2021', volume='49', issue='1', pageStart='1', pageEnd='210', issueExtLink='null', onlineDate='null', pubDate='1611072000000', pubDateStr='2021-01-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343643777, creator='13701087609', updateTime=1793345438198, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322949911880282449, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942385474384734, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322949911880282450, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942385474384734, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=49, endPage=55, ext={EN=ArticleExt(id=1322942955736138354, articleId=1322942953215361649, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Effect of Surface Modification on Electrochemical Performance of La0.6Sr0.4Co0.2Fe0.8O3-σ Cathode Material, columnId=1322942386086753121, journalTitle=Journal of the Chinese Ceramic Society, columnName=Special Issue on SOFC, runingTitle=null, highlight=null, articleAbstract=

A solid oxide fuel cell cathode material La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) powder was prepared by a citric acid-EDTA complex method. Sm0.2Ce0.8O1.9 (SDC) was used as an electrolyte to prepare LSCF/SDC/LSCF symmetric electrode cells. The mixed solution of La(NO3)3、Ni(NO3)2 and Fe(NO3)3 was impregnated on both electrodes of LSCF/SDC/LSCF, and the surface-modified cathodes were obtained after sintering at 850℃. The phase structure characteristics, electrochemical AC impedance, electrochemical catalytic activity and single cell output performance of the surface-modified cathode material after impregnation were investigated. The results show that La0.62Sr0.38Ni0.03Co0.19Fe0.78O3-δ solid solution with the similar structure to LSCF is formed by the impregnation method. The nanoparticles generated on the surface enhances the ability of the cathode material to adsorb and dissociate O2, and exhibits a lower polarization resistance. The polarization resistance of LSNCF cathode material is 0.083 Ω·cm2 at 800℃, the polarization impedance of LSNCF cathode material is 0.117 Ω·cm2 at 800℃ after 7 200-min continuous operation. For assemble anode-supported cells with Ni-SDC as an anode, SDC as an electrolyte and LSNCF as a cathode, the maximum power density is 693 mW/cm2 at 750℃.

, authors=Changkun CAI1, 2, Manyi XIE1, 2, Yuanyuan LIU1, 2, Ke XUE1, 2, Shuting LI1, 2, Shengli AN1, 2, authorsList=Changkun CAI, Manyi XIE, Yuanyuan LIU, Ke XUE, Shuting LI, Shengli AN, authorCompany=null, correspAuthors=Shengli AN, authorNote=

CAI Changkun (1990-), male, Doctorial candidate. E-mail:

, correspAuthorsNote=
An Shengli (1961-), male, Ph. D.,Professor E-mail:
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通过柠檬酸-EDTA络合法制备固体氧化物燃料电池阴极材料La0.6Sr0.4Co0.2Fe0.8O3-δ(LSCF)粉体。以Sm0.2Ce0.8O1.9(SDC)为电解质,制备了LSCF/SDC/LSCF对称电极。采用浸渍法在LSCF/SDC/LSCF两侧浸渍La(NO3)3、Ni(NO3)2、Fe(NO3)3混合溶液,850℃烧结后得到表面修饰后的阴极材料。研究了浸渍烧结后表面修饰阴极材料的物相结构特征、电化学交流阻抗、电化学催化活性及单电池输出性能。结果表明:通过浸渍法在LSCF阴极表面形成了与LSCF结构相似的La0.62Sr0.38Ni0.03Co0.19Fe0.78O3-δ(LSNCF)固溶体,在表面产生的纳米颗粒提升了阴极材料对O2的吸附解离能力,并表现出较低的极化阻抗,在800℃时LSNCF阴极材料的极化面电阻为0.083 Ω·cm2,在800℃连续工作7 200 min后,LSNCF阴极材料对称电池极化阻抗为0.117 Ω·cm2。以Ni-SDC为阳极,SDC为电解质,LSNCF为阴极组装阳极支撑单电池,在750℃时最大功率密度为693 mW/cm2。

, authors=蔡长焜1, 2, 谢满意1, 2, 刘媛媛1, 2, 薛柯1, 2, 李舒婷1, 2, 安胜利1, 2, authorsList=蔡长焜, 谢满意, 刘媛媛, 薛柯, 李舒婷, 安胜利, authorCompany=null, correspAuthors=安胜利, authorNote=

蔡长焜(1990—),男,博士研究生。

, correspAuthorsNote=
安胜利(1961—),男,博士,教授。
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表面修饰对镧锶钴铁阴极材料电化学性能的影响
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蔡长焜 1, 2 , 谢满意 1, 2 , 刘媛媛 1, 2 , 薛柯 1, 2 , 李舒婷 1, 2 , 安胜利 1, 2
硅酸盐学报 | SOFC专题 2021,49(1): 49-55
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硅酸盐学报 |SOFC专题 2021 , 49 (1) : 49 -55
表面修饰对镧锶钴铁阴极材料电化学性能的影响
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蔡长焜1, 2 , 谢满意1, 2, 刘媛媛1, 2, 薛柯1, 2, 李舒婷1, 2, 安胜利1, 2
作者信息
  • 1.内蒙古科技大学材料与冶金学院 内蒙古 包头 014010
  • 2.内蒙古自治区先进陶瓷材料与器件重点实验室 内蒙古 包头 014010
通讯作者:
安胜利(1961—),男,博士,教授。
作者简介:

蔡长焜(1990—),男,博士研究生。

Effect of Surface Modification on Electrochemical Performance of La0.6Sr0.4Co0.2Fe0.8O3-σ Cathode Material
Changkun CAI1, 2 , Manyi XIE1, 2, Yuanyuan LIU1, 2, Ke XUE1, 2, Shuting LI1, 2, Shengli AN1, 2
Affiliations
  • 1.School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia, China
  • 2.Inner Mongolia Key Laboratory of Advanced Ceramic Materials and Devices, Baotou 014010, Inner Mongolia, China
  • Corresponding Author:
    An Shengli (1961-), male, Ph. D.,Professor E-mail:

    CAI Changkun (1990-), male, Doctorial candidate. E-mail:

出版时间: 2021-01-20 doi: 10.14062/j.issn.0454-5648.20200566
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通过柠檬酸-EDTA络合法制备固体氧化物燃料电池阴极材料La0.6Sr0.4Co0.2Fe0.8O3-δ(LSCF)粉体。以Sm0.2Ce0.8O1.9(SDC)为电解质,制备了LSCF/SDC/LSCF对称电极。采用浸渍法在LSCF/SDC/LSCF两侧浸渍La(NO3)3、Ni(NO3)2、Fe(NO3)3混合溶液,850℃烧结后得到表面修饰后的阴极材料。研究了浸渍烧结后表面修饰阴极材料的物相结构特征、电化学交流阻抗、电化学催化活性及单电池输出性能。结果表明:通过浸渍法在LSCF阴极表面形成了与LSCF结构相似的La0.62Sr0.38Ni0.03Co0.19Fe0.78O3-δ(LSNCF)固溶体,在表面产生的纳米颗粒提升了阴极材料对O2的吸附解离能力,并表现出较低的极化阻抗,在800℃时LSNCF阴极材料的极化面电阻为0.083 Ω·cm2,在800℃连续工作7 200 min后,LSNCF阴极材料对称电池极化阻抗为0.117 Ω·cm2。以Ni-SDC为阳极,SDC为电解质,LSNCF为阴极组装阳极支撑单电池,在750℃时最大功率密度为693 mW/cm2。

固体氧化物燃料电池  /  阴极  /  钙钛矿  /  表面修饰

A solid oxide fuel cell cathode material La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) powder was prepared by a citric acid-EDTA complex method. Sm0.2Ce0.8O1.9 (SDC) was used as an electrolyte to prepare LSCF/SDC/LSCF symmetric electrode cells. The mixed solution of La(NO3)3、Ni(NO3)2 and Fe(NO3)3 was impregnated on both electrodes of LSCF/SDC/LSCF, and the surface-modified cathodes were obtained after sintering at 850℃. The phase structure characteristics, electrochemical AC impedance, electrochemical catalytic activity and single cell output performance of the surface-modified cathode material after impregnation were investigated. The results show that La0.62Sr0.38Ni0.03Co0.19Fe0.78O3-δ solid solution with the similar structure to LSCF is formed by the impregnation method. The nanoparticles generated on the surface enhances the ability of the cathode material to adsorb and dissociate O2, and exhibits a lower polarization resistance. The polarization resistance of LSNCF cathode material is 0.083 Ω·cm2 at 800℃, the polarization impedance of LSNCF cathode material is 0.117 Ω·cm2 at 800℃ after 7 200-min continuous operation. For assemble anode-supported cells with Ni-SDC as an anode, SDC as an electrolyte and LSNCF as a cathode, the maximum power density is 693 mW/cm2 at 750℃.

solid oxide fuel cells  /  cathode  /  perovskite  /  surface modification
蔡长焜, 谢满意, 刘媛媛, 薛柯, 李舒婷, 安胜利. 表面修饰对镧锶钴铁阴极材料电化学性能的影响. 硅酸盐学报, 2021 , 49 (1) : 49 -55 . DOI: 10.14062/j.issn.0454-5648.20200566
Changkun CAI, Manyi XIE, Yuanyuan LIU, Ke XUE, Shuting LI, Shengli AN. Effect of Surface Modification on Electrochemical Performance of La0.6Sr0.4Co0.2Fe0.8O3-σ Cathode Material[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (1) : 49 -55 . DOI: 10.14062/j.issn.0454-5648.20200566
  • 国家自然科学基金(51974167)
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doi: 10.14062/j.issn.0454-5648.20200566
  • 接收时间:2020-07-31
  • 首发时间:2026-10-30
  • 出版时间:2021-01-20
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  • 收稿日期:2020-07-31
  • 修回日期:2020-09-21
基金
国家自然科学基金(51974167)
作者信息
    1.内蒙古科技大学材料与冶金学院 内蒙古 包头 014010
    2.内蒙古自治区先进陶瓷材料与器件重点实验室 内蒙古 包头 014010

通讯作者:

安胜利(1961—),男,博士,教授。
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2种不同金属材料的力学参数
科
Family
属数
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genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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