Article(id=1322942994093056850, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942385474384734, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200271, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1586880000000, receivedDateStr=2020-04-15, revisedDate=1592150400000, revisedDateStr=2020-06-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343788884, onlineDateStr=2026-10-30, pubDate=1611072000000, pubDateStr=2021-01-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343788884, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343788884, creator=13701087609, updateTime=1793343788884, 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=167, endPage=173, ext={EN=ArticleExt(id=1322942994269217619, articleId=1322942994093056850, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Preparation of Mesoporous CoMn2O4/Reduced Graphene Oxide Composites and Their Supercapacitor Properties, columnId=1319726165087077079, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Article, runingTitle=null, highlight=null, articleAbstract=

CoMn2O4 nanoparticles on reduced graphene oxide (CoMn2O4/rGO) composites with different graphene contents were synthesized in situ by a coprecipitation method. The effect of graphene content on the morphology, microstructure and electrochemical properties of CoMn2O4/rGO materials was investigated. The results show that CoMn2O4 nanoparticles are deposited on the surface of graphene nanosheets. The distribution of CoMn2O4 nanoparticles on the surface of rGO is gradually uniform, and the particle aggregation disappears as graphene content increases. CoMn2O4/rGO exhibits a great specific surface area and an excellent electrochemistry. The optimum capacitance performance of CoMn2O4/rGO20 (20% rGO, in mass fraction) can be obtained, and the specific capacitance is 1 420 F/g at 1 A/g. CoMn2O4/rGO30 (30% rGO, in mass fraction) has the optimum cyclic stability. The specific capacitance retention rate of CoMn2O4/rGO30 is 94% at 5 A/g, while that of CoMn2O4 is 78%, after 2 000 cycles of charges and discharges.

, authors=Mingwei LI, Shaobin YANG, authorsList=Mingwei LI, Shaobin YANG, authorCompany=null, correspAuthors=null, authorNote=

LI Mingwei (1969-), female, Ph.D., Associate Professor. E-mail:

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采用共沉淀法制备了CoMn2O4/还原氧化石墨烯(CoMn2O4/rGO)复合电极材料,并研究了石墨烯含量对CoMn2O4/rGO复合材料形貌、微观结构及电化学性能的影响。结果表明:CoMn2O4纳米颗粒沉积在石墨烯纳米片的表面,随着石墨烯含量的增加,CoMn2O4纳米颗粒在rGO表面的分布逐渐均匀,聚集现象消失。CoMn2O4/rGO具有高的比表面积及优良的电化学性能,其中CoMn2O4/rGO20(rGO质量分数为20%)电容性能最好,在电流密度1 A/g时具有1 420 F/g的比电容。CoMn2O4/rGO30(rGO质量分数为30%)的倍率性能和循环稳定性能最好。2 000次充放电后,样品CoMn2O4/rGO30在5 A/g时的比电容保持率为94%,样品CoMn2O4的比电容保持率为78%。

, authors=李明伟, 杨绍斌, authorsList=李明伟, 杨绍斌, authorCompany=null, correspAuthors=null, authorNote=

李明伟(1969—),女,博士,副教授。

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介孔CoMn2O4/还原氧化石墨烯复合材料的制备及其超级电容性能
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李明伟 , 杨绍斌
硅酸盐学报 | 研究论文 2021,49(1): 167-173
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硅酸盐学报 |研究论文 2021 , 49 (1) : 167 -173
介孔CoMn2O4/还原氧化石墨烯复合材料的制备及其超级电容性能
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李明伟 , 杨绍斌
作者信息
  • 辽宁工程技术大学材料科学与工程学院,辽宁 阜新 123000
作者简介:

李明伟(1969—),女,博士,副教授。

Preparation of Mesoporous CoMn2O4/Reduced Graphene Oxide Composites and Their Supercapacitor Properties
Mingwei LI , Shaobin YANG
Affiliations
  • College of Materials Science and Engineering, Liaoning Technical University, Fuxin 123000, Liaoning, China
  • LI Mingwei (1969-), female, Ph.D., Associate Professor. E-mail:

出版时间: 2021-01-20 doi: 10.14062/j.issn.0454-5648.20200271
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采用共沉淀法制备了CoMn2O4/还原氧化石墨烯(CoMn2O4/rGO)复合电极材料,并研究了石墨烯含量对CoMn2O4/rGO复合材料形貌、微观结构及电化学性能的影响。结果表明:CoMn2O4纳米颗粒沉积在石墨烯纳米片的表面,随着石墨烯含量的增加,CoMn2O4纳米颗粒在rGO表面的分布逐渐均匀,聚集现象消失。CoMn2O4/rGO具有高的比表面积及优良的电化学性能,其中CoMn2O4/rGO20(rGO质量分数为20%)电容性能最好,在电流密度1 A/g时具有1 420 F/g的比电容。CoMn2O4/rGO30(rGO质量分数为30%)的倍率性能和循环稳定性能最好。2 000次充放电后,样品CoMn2O4/rGO30在5 A/g时的比电容保持率为94%,样品CoMn2O4的比电容保持率为78%。

还原氧化石墨烯  /  锰酸钴  /  超级电容器  /  复合材料

CoMn2O4 nanoparticles on reduced graphene oxide (CoMn2O4/rGO) composites with different graphene contents were synthesized in situ by a coprecipitation method. The effect of graphene content on the morphology, microstructure and electrochemical properties of CoMn2O4/rGO materials was investigated. The results show that CoMn2O4 nanoparticles are deposited on the surface of graphene nanosheets. The distribution of CoMn2O4 nanoparticles on the surface of rGO is gradually uniform, and the particle aggregation disappears as graphene content increases. CoMn2O4/rGO exhibits a great specific surface area and an excellent electrochemistry. The optimum capacitance performance of CoMn2O4/rGO20 (20% rGO, in mass fraction) can be obtained, and the specific capacitance is 1 420 F/g at 1 A/g. CoMn2O4/rGO30 (30% rGO, in mass fraction) has the optimum cyclic stability. The specific capacitance retention rate of CoMn2O4/rGO30 is 94% at 5 A/g, while that of CoMn2O4 is 78%, after 2 000 cycles of charges and discharges.

reduced graphene oxide  /  cobalt manganese  /  supercapacitors  /  composites
李明伟, 杨绍斌. 介孔CoMn2O4/还原氧化石墨烯复合材料的制备及其超级电容性能. 硅酸盐学报, 2021 , 49 (1) : 167 -173 . DOI: 10.14062/j.issn.0454-5648.20200271
Mingwei LI, Shaobin YANG. Preparation of Mesoporous CoMn2O4/Reduced Graphene Oxide Composites and Their Supercapacitor Properties[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (1) : 167 -173 . DOI: 10.14062/j.issn.0454-5648.20200271
  • 国家自然基金项目(51274119)
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doi: 10.14062/j.issn.0454-5648.20200271
  • 接收时间:2020-04-15
  • 首发时间:2026-10-30
  • 出版时间:2021-01-20
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  • 收稿日期:2020-04-15
  • 修回日期:2020-06-15
基金
国家自然基金项目(51274119)
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    辽宁工程技术大学材料科学与工程学院,辽宁 阜新 123000
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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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