Rattle-type NiCo 2 O 4 –carbon composite microspheres as electrode materials for high-performance supercapacitors
In this work, NiCo 2 O 4 –carbon composite microspheres with rattle-type structure were successfully prepared by a template-engaged hydrothermal and subsequent calcination treatment. These rattle-type microspheres are composed of a solid carbon core and a porous shell with nanorods as building block...
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Veröffentlicht in: | New journal of chemistry 2015, Vol.39 (9), p.7495-7502 |
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container_issue | 9 |
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container_title | New journal of chemistry |
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creator | Ma, Yongchao Jiang, Haiyan Liu, Qingzhi Kang, Wukui Shi, Jinsheng |
description | In this work, NiCo
2
O
4
–carbon composite microspheres with rattle-type structure were successfully prepared by a template-engaged hydrothermal and subsequent calcination treatment. These rattle-type microspheres are composed of a solid carbon core and a porous shell with nanorods as building blocks. The calcination temperature of the NiCo
2
O
4
–carbon precursor has an obvious effect on the morphology as well as the resultant capacitive performances. Because of their unique structure and high specific surface area, these rattle-type NiCo
2
O
4
–carbon composite microspheres exhibited excellent electrochemical performances with high specific capacitance (790 F g
−1
at 1 A g
−1
), and it even reached as high as 609 F g
−1
at 10 A g
−1
. Additionally, excellent cycling stability with 99.4% specific capacitance retention after continuous 2000 cycles at a current density of 2 A g
−1
was observed, suggesting their promising application in supercapacitors. The synergistic effect of different components and the rattle-type structure may contribute to the outstanding performance of the composite electrode. |
doi_str_mv | 10.1039/C5NJ01569C |
format | Article |
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2
O
4
–carbon composite microspheres with rattle-type structure were successfully prepared by a template-engaged hydrothermal and subsequent calcination treatment. These rattle-type microspheres are composed of a solid carbon core and a porous shell with nanorods as building blocks. The calcination temperature of the NiCo
2
O
4
–carbon precursor has an obvious effect on the morphology as well as the resultant capacitive performances. Because of their unique structure and high specific surface area, these rattle-type NiCo
2
O
4
–carbon composite microspheres exhibited excellent electrochemical performances with high specific capacitance (790 F g
−1
at 1 A g
−1
), and it even reached as high as 609 F g
−1
at 10 A g
−1
. Additionally, excellent cycling stability with 99.4% specific capacitance retention after continuous 2000 cycles at a current density of 2 A g
−1
was observed, suggesting their promising application in supercapacitors. The synergistic effect of different components and the rattle-type structure may contribute to the outstanding performance of the composite electrode.</description><identifier>ISSN: 1144-0546</identifier><identifier>EISSN: 1369-9261</identifier><identifier>DOI: 10.1039/C5NJ01569C</identifier><language>eng</language><ispartof>New journal of chemistry, 2015, Vol.39 (9), p.7495-7502</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c76C-a029e985170b80f85b56d54ba6653cffb36ca8b8253baaceb80421e6612088f13</citedby><cites>FETCH-LOGICAL-c76C-a029e985170b80f85b56d54ba6653cffb36ca8b8253baaceb80421e6612088f13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,4012,27906,27907,27908</link.rule.ids></links><search><creatorcontrib>Ma, Yongchao</creatorcontrib><creatorcontrib>Jiang, Haiyan</creatorcontrib><creatorcontrib>Liu, Qingzhi</creatorcontrib><creatorcontrib>Kang, Wukui</creatorcontrib><creatorcontrib>Shi, Jinsheng</creatorcontrib><title>Rattle-type NiCo 2 O 4 –carbon composite microspheres as electrode materials for high-performance supercapacitors</title><title>New journal of chemistry</title><description>In this work, NiCo
2
O
4
–carbon composite microspheres with rattle-type structure were successfully prepared by a template-engaged hydrothermal and subsequent calcination treatment. These rattle-type microspheres are composed of a solid carbon core and a porous shell with nanorods as building blocks. The calcination temperature of the NiCo
2
O
4
–carbon precursor has an obvious effect on the morphology as well as the resultant capacitive performances. Because of their unique structure and high specific surface area, these rattle-type NiCo
2
O
4
–carbon composite microspheres exhibited excellent electrochemical performances with high specific capacitance (790 F g
−1
at 1 A g
−1
), and it even reached as high as 609 F g
−1
at 10 A g
−1
. Additionally, excellent cycling stability with 99.4% specific capacitance retention after continuous 2000 cycles at a current density of 2 A g
−1
was observed, suggesting their promising application in supercapacitors. The synergistic effect of different components and the rattle-type structure may contribute to the outstanding performance of the composite electrode.</description><issn>1144-0546</issn><issn>1369-9261</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNpFUMFKAzEUDKJgrV78gpyFaLLZpNmjLGqV0oL0vrykLzbSbZYkHnrzH_xDv8QtCp5mhhmGYQi5FvxWcNnctWr5woXSTXtCJkLqhjWVFqcjF3XNuKr1ObnI-Z1zIWZaTEh-hVJ2yMphQLoMbaQVXdGafn9-OUg27qmL_RBzKEj74FLMwxYTZgqZ4g5dSXEzOlAwBdhl6mOi2_C2ZQOmkfewd0jzx6gcDOBCiSlfkjM_ZvHqD6dk_fiwbudssXp6bu8XzM10y4BXDTZGiRm3hnujrNIbVVvQWknnvZXagbGmUtICOBxDdSVQa1FxY7yQU3LzW3tcnRP6bkihh3ToBO-Ob3X_b8kf0vRfHg</recordid><startdate>2015</startdate><enddate>2015</enddate><creator>Ma, Yongchao</creator><creator>Jiang, Haiyan</creator><creator>Liu, Qingzhi</creator><creator>Kang, Wukui</creator><creator>Shi, Jinsheng</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>2015</creationdate><title>Rattle-type NiCo 2 O 4 –carbon composite microspheres as electrode materials for high-performance supercapacitors</title><author>Ma, Yongchao ; Jiang, Haiyan ; Liu, Qingzhi ; Kang, Wukui ; Shi, Jinsheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c76C-a029e985170b80f85b56d54ba6653cffb36ca8b8253baaceb80421e6612088f13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ma, Yongchao</creatorcontrib><creatorcontrib>Jiang, Haiyan</creatorcontrib><creatorcontrib>Liu, Qingzhi</creatorcontrib><creatorcontrib>Kang, Wukui</creatorcontrib><creatorcontrib>Shi, Jinsheng</creatorcontrib><collection>CrossRef</collection><jtitle>New journal of chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ma, Yongchao</au><au>Jiang, Haiyan</au><au>Liu, Qingzhi</au><au>Kang, Wukui</au><au>Shi, Jinsheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Rattle-type NiCo 2 O 4 –carbon composite microspheres as electrode materials for high-performance supercapacitors</atitle><jtitle>New journal of chemistry</jtitle><date>2015</date><risdate>2015</risdate><volume>39</volume><issue>9</issue><spage>7495</spage><epage>7502</epage><pages>7495-7502</pages><issn>1144-0546</issn><eissn>1369-9261</eissn><abstract>In this work, NiCo
2
O
4
–carbon composite microspheres with rattle-type structure were successfully prepared by a template-engaged hydrothermal and subsequent calcination treatment. These rattle-type microspheres are composed of a solid carbon core and a porous shell with nanorods as building blocks. The calcination temperature of the NiCo
2
O
4
–carbon precursor has an obvious effect on the morphology as well as the resultant capacitive performances. Because of their unique structure and high specific surface area, these rattle-type NiCo
2
O
4
–carbon composite microspheres exhibited excellent electrochemical performances with high specific capacitance (790 F g
−1
at 1 A g
−1
), and it even reached as high as 609 F g
−1
at 10 A g
−1
. Additionally, excellent cycling stability with 99.4% specific capacitance retention after continuous 2000 cycles at a current density of 2 A g
−1
was observed, suggesting their promising application in supercapacitors. The synergistic effect of different components and the rattle-type structure may contribute to the outstanding performance of the composite electrode.</abstract><doi>10.1039/C5NJ01569C</doi><tpages>8</tpages></addata></record> |
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source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
title | Rattle-type NiCo 2 O 4 –carbon composite microspheres as electrode materials for high-performance supercapacitors |
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