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Article(id=1318974529859343122, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318974513019207979, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220998, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1668873600000, receivedDateStr=2022-11-20, revisedDate=1670515200000, revisedDateStr=2022-12-09, acceptedDate=null, acceptedDateStr=null, onlineDate=1792397633280, onlineDateStr=2026-10-19, pubDate=1685289600000, pubDateStr=2023-05-29, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792397633280, onlineIssueDateStr=2026-10-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792397633280, creator=13701087609, updateTime=1792397633280, updator=13701087609, issue=Issue{id=1318974513019207979, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='7', pageStart='1649', pageEnd='1882', issueExtLink='null', onlineDate='null', pubDate='1689782400000', pubDateStr='2023-07-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792397629265, creator='13701087609', updateTime=1792399256269, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1318981337223119779, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318974513019207979, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1318981337223119780, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318974513019207979, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1763, endPage=1772, ext={EN=ArticleExt(id=1318974530299745044, articleId=1318974529859343122, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Preparation and Performance of Hierarchical Scaffold Cathode for Low-Temperature Solid Oxide Fuel Cells, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

In order to improve the electrochemical performance of cathodes for low-temperature solid oxide fuel cells, two kinds of La0.6Sr0.4Co0.2Fe0.8O3-δ/Ce0.9Gd0.1O2-δ (LSCF/GDC) cathodes with a multifunctional hierarchical scaffold structure were prepared. The microstructure and electrochemical properties of the cathodes were investigated. The results show that the GDC primary scaffold with a porosity of 80.5% fully ensure the construction of LSCF or GDC secondary scaffold, subsequent loading and oxygen diffusion in the working state. Based on the analyses of distribution of relaxation times for the electrochemical impedance spectra, the cathode with LSCF nanoparticles as a secondary scaffold has a total polarization resistance of only 0.236 Ω·cm2 at 600 ℃ due to the abundant reactive sites and unobstructed electronic conduction, and the GDC nanoparticles loading promotes the adsorption/dissociation of oxygen. The hierarchical scaffold cathode has a simple process and excellent oxygen reduction performance, which can promote the further development of low-temperature solid oxide fuel cells.

, authors=Fei WEI1, Leying WANG1, Linghong LUO1, Shuangshuang ZHANG1, Liang CHENG2, Xu XU1, Lin YANG3, authorsList=Fei WEI, Leying WANG, Linghong LUO, Shuangshuang ZHANG, Liang CHENG, Xu XU, Lin YANG, authorCompany=null, correspAuthors=Leying WANG, authorNote=

WEI Fei (1983-), female, Doctoral candidate. E-mail:

, correspAuthorsNote=
WANG Leying (1988-), female, Ph.D., Lecturer. E-mail:
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为了提升低温固体氧化物燃料电池阴极的电化学性能，设计制备了2种具有多功能层级骨架结构的La0.6Sr0.4Co0.2Fe0.8O3-δ/Ce0.9Gd0.1O2-δ（LSCF/GDC）阴极材料，研究了层级骨架阴极的显微结构和电化学性能。结果表明：GDC初级骨架其孔隙率高达80.5%，充分保证了LSCF或GDC次级骨架的构建、后续负载以及工作态下的氧气扩散。采用弛豫时间分布分析不同阴极的电化学阻抗谱，以LSCF纳米颗粒为次级骨架，具有连续电子导电通道，显著增加了反应活性位点，后续负载的GDC纳米颗粒协同促进了氧气的吸附/解离，其600 ℃条件下的总极化电阻仅为0.236 Ω·cm2，得到了制备工艺简单、氧还原反应活性强的层级骨架阴极，有望推动低温固体氧化物燃料电池的进一步发展。

, authors=韦斐1, 王乐莹1, 罗凌虹1, 张双双1, 程亮2, 徐序1, 杨琳3, authorsList=韦斐, 王乐莹, 罗凌虹, 张双双, 程亮, 徐序, 杨琳, authorCompany=null, correspAuthors=王乐莹, authorNote=

韦斐（1983—），女，博士研究生。

, correspAuthorsNote=
王乐莹（1988—），女，博士，讲师。
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WEI Fei (1983-), female, Doctoral candidate. E-mail:

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韦斐（1983—），女，博士研究生。

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低温固体氧化物燃料电池层级骨架阴极的制备与性能
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韦斐 1 , 王乐莹 1 , 罗凌虹 1 , 张双双 1 , 程亮 2 , 徐序 1 , 杨琳 3
硅酸盐学报 | 研究论文 2023,51(7): 1763-1772
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硅酸盐学报 |研究论文 2023 , 51 (7) : 1763 -1772
低温固体氧化物燃料电池层级骨架阴极的制备与性能
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韦斐（1983—），女，博士研究生。

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韦斐1 , 王乐莹1 , 罗凌虹1, 张双双1, 程亮2, 徐序1, 杨琳3
作者信息
  • 1．景德镇陶瓷大学材料科学与工程学院，江西 景德镇 333403
  • 2．景德镇陶瓷大学国家日用及建筑陶瓷工程技术中心，江西 景德镇 333001
  • 3．江门职业技术学院，广东 江门 529090
通讯作者:
王乐莹（1988—），女，博士，讲师。
作者简介:

韦斐（1983—），女，博士研究生。

Preparation and Performance of Hierarchical Scaffold Cathode for Low-Temperature Solid Oxide Fuel Cells
Fei WEI1 , Leying WANG1 , Linghong LUO1, Shuangshuang ZHANG1, Liang CHENG2, Xu XU1, Lin YANG3
Affiliations
  • 1.School of Materials Science and Engineering, Jingdezhen Ceramic University, Jingdezhen 333403, Jiangxi, China
  • 2.National Engineering Research Center for Domestic & Building Ceramics, Jingdezhen Ceramic University, Jingdezhen 333001, Jiangxi, China
  • 3.Jiangmen Polytechnic, Jiangmen 529090, Guangdong, China
    • Corresponding Author:
    WANG Leying (1988-), female, Ph.D., Lecturer. E-mail:

    WEI Fei (1983-), female, Doctoral candidate. E-mail:

出版时间: 2023-05-29 doi: 10.14062/j.issn.0454-5648.20220998
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为了提升低温固体氧化物燃料电池阴极的电化学性能，设计制备了2种具有多功能层级骨架结构的La0.6Sr0.4Co0.2Fe0.8O3-δ/Ce0.9Gd0.1O2-δ（LSCF/GDC）阴极材料，研究了层级骨架阴极的显微结构和电化学性能。结果表明：GDC初级骨架其孔隙率高达80.5%，充分保证了LSCF或GDC次级骨架的构建、后续负载以及工作态下的氧气扩散。采用弛豫时间分布分析不同阴极的电化学阻抗谱，以LSCF纳米颗粒为次级骨架，具有连续电子导电通道，显著增加了反应活性位点，后续负载的GDC纳米颗粒协同促进了氧气的吸附/解离，其600 ℃条件下的总极化电阻仅为0.236 Ω·cm2，得到了制备工艺简单、氧还原反应活性强的层级骨架阴极，有望推动低温固体氧化物燃料电池的进一步发展。

低温固体氧化物燃料电池  /  阴极  /  层级骨架  /  弛豫时间分布

In order to improve the electrochemical performance of cathodes for low-temperature solid oxide fuel cells, two kinds of La0.6Sr0.4Co0.2Fe0.8O3-δ/Ce0.9Gd0.1O2-δ (LSCF/GDC) cathodes with a multifunctional hierarchical scaffold structure were prepared. The microstructure and electrochemical properties of the cathodes were investigated. The results show that the GDC primary scaffold with a porosity of 80.5% fully ensure the construction of LSCF or GDC secondary scaffold, subsequent loading and oxygen diffusion in the working state. Based on the analyses of distribution of relaxation times for the electrochemical impedance spectra, the cathode with LSCF nanoparticles as a secondary scaffold has a total polarization resistance of only 0.236 Ω·cm2 at 600 ℃ due to the abundant reactive sites and unobstructed electronic conduction, and the GDC nanoparticles loading promotes the adsorption/dissociation of oxygen. The hierarchical scaffold cathode has a simple process and excellent oxygen reduction performance, which can promote the further development of low-temperature solid oxide fuel cells.

low-temperature solid oxide fuel cells  /  cathode  /  hierarchical scaffold  /  distribution of relaxation times
韦斐, 王乐莹, 罗凌虹, 张双双, 程亮, 徐序, 杨琳. 低温固体氧化物燃料电池层级骨架阴极的制备与性能. 硅酸盐学报, 2023 , 51 (7) : 1763 -1772 . DOI: 10.14062/j.issn.0454-5648.20220998
Fei WEI, Leying WANG, Linghong LUO, Shuangshuang ZHANG, Liang CHENG, Xu XU, Lin YANG. Preparation and Performance of Hierarchical Scaffold Cathode for Low-Temperature Solid Oxide Fuel Cells[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (7) : 1763 -1772 . DOI: 10.14062/j.issn.0454-5648.20220998
基金
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  • 国家自然科学基金(51762026; 51802132)
  • 江西省自然科学基金重点项目(20224ACB204010)
  • 江西省教育厅科技项目(GJJ2201009; GJJ2201010)
  • 广东省高校优秀青年创新人才培养计划资助项目(2018GkQNCX139)
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2023年第51卷第7期
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doi: 10.14062/j.issn.0454-5648.20220998
  • 接收时间：2022-11-20
  • 首发时间：2026-10-19
  • 出版时间：2023-05-29
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  • 收稿日期：2022-11-20
  • 修回日期：2022-12-09
基金
国家自然科学基金(51762026; 51802132)
江西省自然科学基金重点项目(20224ACB204010)
江西省教育厅科技项目(GJJ2201009; GJJ2201010)
广东省高校优秀青年创新人才培养计划资助项目(2018GkQNCX139)
作者信息
    1．景德镇陶瓷大学材料科学与工程学院，江西 景德镇 333403
    2．景德镇陶瓷大学国家日用及建筑陶瓷工程技术中心，江西 景德镇 333001
    3．江门职业技术学院，广东 江门 529090

通讯作者:

王乐莹（1988—），女，博士，讲师。
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20220998
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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
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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