Article(id=1319986902632091971, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986871980118160, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20210743, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1630252800000, receivedDateStr=2021-08-30, revisedDate=1634400000000, revisedDateStr=2021-10-17, acceptedDate=null, acceptedDateStr=null, onlineDate=1792639001757, onlineDateStr=2026-10-22, pubDate=1652976000000, pubDateStr=2022-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792639001757, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792639001757, creator=13701087609, updateTime=1792639001757, updator=13701087609, issue=Issue{id=1319986871980118160, tenantId=1146029695717560320, journalId=1263187385517883426, year='2022', volume='50', issue='5', pageStart='1201', pageEnd='1454', issueExtLink='null', onlineDate='null', pubDate='1652976000000', pubDateStr='2022-05-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1792638994450, creator='13701087609', updateTime=1792639285419, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319988092451275233, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986871980118160, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319988092451275234, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986871980118160, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1248, endPage=1256, ext={EN=ArticleExt(id=1319986902866972996, articleId=1319986902632091971, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Preparation and Properties of Bi1-xCaxFeO3-δ Cathode Materials for Intermediate-Temperature Solid Oxide Fuel Cell, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

Developing cathode materials with superior electrochemical activity is of great importance to the application of intermediate-temperature solid oxide fuel cell (IT-SOFC). In this paper, Bi1-xCaxFeO3-δ (BCFx, x=0.1, 0.2 and 0.3) compounds were synthesized via solid-state reaction as a cathode material for IT-SOFC. The phase structure, electrical conductivity, oxygen transport performance, and the electrochemical performances of these compounds were evaluated. The as-prepared BCFx compounds show a single-phase perovskite structure. Among the BCFx materials, Bi0.8Ca0.2FeO3-δ (BCF0.2) oxide has the maximum electrochemical catalytic activity. The polarization resistance of BCF0.2 cathode on symmetrical cell is 0.06 Ω·cm2 at 750 ℃ in air. Meanwhile, the maximum peak power density of Ni-(Y2O3)0.08(ZrO2)0.92(Ni-8YSZ) anode-supported single cell reaches 730 mW·cm2 at 750 ℃. As is indicated by the electrical conductivity relaxation, the favorable oxygen reduction reaction catalytic activity of BCF0.2 can be ascribed to the higher oxygen bulk diffusion and surface exchange coefficient. The results of oxygen reduction kinetics reveal that the dissociation of adsorbed molecular oxygen is a limiting step for oxygen reduction reaction on BCF0.2 cathode.

, authors=Weiwei FENG, Huifen ZHAO, Muyi SHEN, Han CHEN, Lucun GUO, authorsList=Weiwei FENG, Huifen ZHAO, Muyi SHEN, Han CHEN, Lucun GUO, authorCompany=null, correspAuthors=Lucun GUO, authorNote=

FENG Weiwei (1995-), male, Master candidate. E-mail:

, correspAuthorsNote=
GUO Lucun (1957-), male, Ph.D., Professor. E-mail:
, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1319986903085076805, articleId=1319986902632091971, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=中温固体氧化物燃料电池阴极材料Bi1-xCaxFeO3-δ的制备及其性能, columnId=1263922770220560512, journalTitle=硅酸盐学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

开发具有优异电化学活性的阴极材料对中温固体氧化物燃料电池(IT-SOFC)的应用至关重要。采用固相法制备无钴阴极材料Bi1-xCaxFeO3-δ(BCFx,x=0.1、0.2和0.3),通过该体系材料的物相结构、电导率、氧传输特性以及电化学性能研究表明,950 ℃时可以合成具有单相钙钛矿结构的Bi1-xCaxFeO3-δ(x=0.1、0.2和0.3)阴极粉体。BCFx阴极材料中,样品BCF0.2具有较高的电化学催化活性,750 ℃时,对称电池极化阻抗为0.06 Ω·cm2,Ni-(Y2O3)0.08(ZrO2)0.92(Ni-8YSZ)阳极支撑单电池最大功率密度为730 mW/cm2。由电导弛豫结果得知,BCF0.2阴极良好的氧还原催化活性主要归因于其较高的氧扩散系数和表面交换系数。氧还原反应动力学研究表明,样品BCF0.2阴极氧还原反应的速率控制步骤为吸附氧的解离过程。

, authors=冯伟伟, 赵慧粉, 沈睦夷, 陈涵, 郭露村, authorsList=冯伟伟, 赵慧粉, 沈睦夷, 陈涵, 郭露村, authorCompany=null, correspAuthors=郭露村, authorNote=

冯伟伟(1995—),男,硕士研究生。

, correspAuthorsNote=
郭露村(1957—),博士,教授。
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冯伟伟(1995—),男,硕士研究生。

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冯伟伟(1995—),男,硕士研究生。

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中温固体氧化物燃料电池阴极材料Bi1-xCaxFeO3-δ的制备及其性能
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冯伟伟 , 赵慧粉 , 沈睦夷 , 陈涵 , 郭露村
硅酸盐学报 | 研究论文 2022,50(5): 1248-1256
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硅酸盐学报 |研究论文 2022 , 50 (5) : 1248 -1256
中温固体氧化物燃料电池阴极材料Bi1-xCaxFeO3-δ的制备及其性能
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冯伟伟 , 赵慧粉, 沈睦夷, 陈涵, 郭露村
作者信息
  • 南京工业大学材料科学与工程学院,南京 211816
通讯作者:
郭露村(1957—),博士,教授。
作者简介:

冯伟伟(1995—),男,硕士研究生。

Preparation and Properties of Bi1-xCaxFeO3-δ Cathode Materials for Intermediate-Temperature Solid Oxide Fuel Cell
Weiwei FENG , Huifen ZHAO, Muyi SHEN, Han CHEN, Lucun GUO
Affiliations
  • Nanjing Tech University, College of Materials Science and Engineering, Nanjing, 211816, China
  • Corresponding Author:
    GUO Lucun (1957-), male, Ph.D., Professor. E-mail:

    FENG Weiwei (1995-), male, Master candidate. E-mail:

出版时间: 2022-05-20 doi: 10.14062/j.issn.0454-5648.20210743
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开发具有优异电化学活性的阴极材料对中温固体氧化物燃料电池(IT-SOFC)的应用至关重要。采用固相法制备无钴阴极材料Bi1-xCaxFeO3-δ(BCFx,x=0.1、0.2和0.3),通过该体系材料的物相结构、电导率、氧传输特性以及电化学性能研究表明,950 ℃时可以合成具有单相钙钛矿结构的Bi1-xCaxFeO3-δ(x=0.1、0.2和0.3)阴极粉体。BCFx阴极材料中,样品BCF0.2具有较高的电化学催化活性,750 ℃时,对称电池极化阻抗为0.06 Ω·cm2,Ni-(Y2O3)0.08(ZrO2)0.92(Ni-8YSZ)阳极支撑单电池最大功率密度为730 mW/cm2。由电导弛豫结果得知,BCF0.2阴极良好的氧还原催化活性主要归因于其较高的氧扩散系数和表面交换系数。氧还原反应动力学研究表明,样品BCF0.2阴极氧还原反应的速率控制步骤为吸附氧的解离过程。

固体氧化物燃料电池  /  阴极  /  电导弛豫  /  电化学性能

Developing cathode materials with superior electrochemical activity is of great importance to the application of intermediate-temperature solid oxide fuel cell (IT-SOFC). In this paper, Bi1-xCaxFeO3-δ (BCFx, x=0.1, 0.2 and 0.3) compounds were synthesized via solid-state reaction as a cathode material for IT-SOFC. The phase structure, electrical conductivity, oxygen transport performance, and the electrochemical performances of these compounds were evaluated. The as-prepared BCFx compounds show a single-phase perovskite structure. Among the BCFx materials, Bi0.8Ca0.2FeO3-δ (BCF0.2) oxide has the maximum electrochemical catalytic activity. The polarization resistance of BCF0.2 cathode on symmetrical cell is 0.06 Ω·cm2 at 750 ℃ in air. Meanwhile, the maximum peak power density of Ni-(Y2O3)0.08(ZrO2)0.92(Ni-8YSZ) anode-supported single cell reaches 730 mW·cm2 at 750 ℃. As is indicated by the electrical conductivity relaxation, the favorable oxygen reduction reaction catalytic activity of BCF0.2 can be ascribed to the higher oxygen bulk diffusion and surface exchange coefficient. The results of oxygen reduction kinetics reveal that the dissociation of adsorbed molecular oxygen is a limiting step for oxygen reduction reaction on BCF0.2 cathode.

solid oxide fuel cell  /  cathode  /  electrical conductivity relaxation  /  electrochemical performance
冯伟伟, 赵慧粉, 沈睦夷, 陈涵, 郭露村. 中温固体氧化物燃料电池阴极材料Bi1-xCaxFeO3-δ的制备及其性能. 硅酸盐学报, 2022 , 50 (5) : 1248 -1256 . DOI: 10.14062/j.issn.0454-5648.20210743
Weiwei FENG, Huifen ZHAO, Muyi SHEN, Han CHEN, Lucun GUO. Preparation and Properties of Bi1-xCaxFeO3-δ Cathode Materials for Intermediate-Temperature Solid Oxide Fuel Cell[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (5) : 1248 -1256 . DOI: 10.14062/j.issn.0454-5648.20210743
  • 江苏高校优势学科建设工程资助项目(PAPD)
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doi: 10.14062/j.issn.0454-5648.20210743
  • 接收时间:2021-08-30
  • 首发时间:2026-10-22
  • 出版时间:2022-05-20
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  • 收稿日期:2021-08-30
  • 修回日期:2021-10-17
基金
江苏高校优势学科建设工程资助项目(PAPD)
作者信息
    南京工业大学材料科学与工程学院,南京 211816

通讯作者:

郭露村(1957—),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
Number of
genus
种数
Number of
species
占总种数比例
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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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