Flexible NiCo2O4@carbon/carbon nanofiber electrodes fabricated by a combined electrospray/electrospinning technique for supercapacitors
[Display omitted] •The NiCo2O4@C/CNFs was fabricated by a combined electrospray/electrospinning method.•The core-shell NiCo2O4@C clusters were trapped in the carbon nanofiber net.•The specific capacitance reaches 1586 Fg−1 at 1 Ag−1 and 806 Fg−1 even at 32 Ag−1.•The capacitance retention achieves 92...
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| Veröffentlicht in: | Materials letters 2019-04, Vol.240, p.21-24 |
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| container_title | Materials letters |
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| creator | Chang, Liyuan Li, Cuiyan Ouyang, Haibo Huang, Jianfeng Huang, Qigao Xu, Zhao |
| description | [Display omitted]
•The NiCo2O4@C/CNFs was fabricated by a combined electrospray/electrospinning method.•The core-shell NiCo2O4@C clusters were trapped in the carbon nanofiber net.•The specific capacitance reaches 1586 Fg−1 at 1 Ag−1 and 806 Fg−1 even at 32 Ag−1.•The capacitance retention achieves 92.5% after 5000 charge-discharge cycles.
A flexible NiCo2O4@Carbon/Carbon nanofiber (NiCo2O4@C/CNFs) composite was fabricated by the combined electrospray/electrospinning technique. The NiCo2O4 clusters were coated with an amorphous carbon layer to form NiCo2O4@C core-shell structure and homogeneously trapped in the CNFs net. The NiCo2O4@C/CNFs electrodes exhibited a high specific capacitance (1586 Fg−1 at 1 Ag−1), good rate performance (51% retention even at 32 Ag−1), and superior cycling life (92.5% capacitance retention after 5000 cycles at 10 Ag−1). The combined electrospray/electrospinning technique is a promising method to produce flexible electrodes with enhanced performance. |
| doi_str_mv | 10.1016/j.matlet.2018.12.062 |
| format | Article |
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•The NiCo2O4@C/CNFs was fabricated by a combined electrospray/electrospinning method.•The core-shell NiCo2O4@C clusters were trapped in the carbon nanofiber net.•The specific capacitance reaches 1586 Fg−1 at 1 Ag−1 and 806 Fg−1 even at 32 Ag−1.•The capacitance retention achieves 92.5% after 5000 charge-discharge cycles.
A flexible NiCo2O4@Carbon/Carbon nanofiber (NiCo2O4@C/CNFs) composite was fabricated by the combined electrospray/electrospinning technique. The NiCo2O4 clusters were coated with an amorphous carbon layer to form NiCo2O4@C core-shell structure and homogeneously trapped in the CNFs net. The NiCo2O4@C/CNFs electrodes exhibited a high specific capacitance (1586 Fg−1 at 1 Ag−1), good rate performance (51% retention even at 32 Ag−1), and superior cycling life (92.5% capacitance retention after 5000 cycles at 10 Ag−1). The combined electrospray/electrospinning technique is a promising method to produce flexible electrodes with enhanced performance.</description><identifier>ISSN: 0167-577X</identifier><identifier>EISSN: 1873-4979</identifier><identifier>DOI: 10.1016/j.matlet.2018.12.062</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Capacitance ; Carbon fibers ; Core-shell structure ; Electrodes ; Electrospinning ; Electrospraying ; Energy storage and conversion ; Materials science ; Nanocomposites ; Nanofibers ; Nickel compounds ; NiCo2O4 ; Performance enhancement ; Supercapacitors</subject><ispartof>Materials letters, 2019-04, Vol.240, p.21-24</ispartof><rights>2018 Elsevier B.V.</rights><rights>Copyright Elsevier BV Apr 1, 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c264t-73ebf8be85ee86aa7361151c7f31bf8ad1c09c3bd4a4313d4e52cfb9e6265bf3</citedby><cites>FETCH-LOGICAL-c264t-73ebf8be85ee86aa7361151c7f31bf8ad1c09c3bd4a4313d4e52cfb9e6265bf3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0167577X18320214$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Chang, Liyuan</creatorcontrib><creatorcontrib>Li, Cuiyan</creatorcontrib><creatorcontrib>Ouyang, Haibo</creatorcontrib><creatorcontrib>Huang, Jianfeng</creatorcontrib><creatorcontrib>Huang, Qigao</creatorcontrib><creatorcontrib>Xu, Zhao</creatorcontrib><title>Flexible NiCo2O4@carbon/carbon nanofiber electrodes fabricated by a combined electrospray/electrospinning technique for supercapacitors</title><title>Materials letters</title><description>[Display omitted]
•The NiCo2O4@C/CNFs was fabricated by a combined electrospray/electrospinning method.•The core-shell NiCo2O4@C clusters were trapped in the carbon nanofiber net.•The specific capacitance reaches 1586 Fg−1 at 1 Ag−1 and 806 Fg−1 even at 32 Ag−1.•The capacitance retention achieves 92.5% after 5000 charge-discharge cycles.
A flexible NiCo2O4@Carbon/Carbon nanofiber (NiCo2O4@C/CNFs) composite was fabricated by the combined electrospray/electrospinning technique. The NiCo2O4 clusters were coated with an amorphous carbon layer to form NiCo2O4@C core-shell structure and homogeneously trapped in the CNFs net. The NiCo2O4@C/CNFs electrodes exhibited a high specific capacitance (1586 Fg−1 at 1 Ag−1), good rate performance (51% retention even at 32 Ag−1), and superior cycling life (92.5% capacitance retention after 5000 cycles at 10 Ag−1). The combined electrospray/electrospinning technique is a promising method to produce flexible electrodes with enhanced performance.</description><subject>Capacitance</subject><subject>Carbon fibers</subject><subject>Core-shell structure</subject><subject>Electrodes</subject><subject>Electrospinning</subject><subject>Electrospraying</subject><subject>Energy storage and conversion</subject><subject>Materials science</subject><subject>Nanocomposites</subject><subject>Nanofibers</subject><subject>Nickel compounds</subject><subject>NiCo2O4</subject><subject>Performance enhancement</subject><subject>Supercapacitors</subject><issn>0167-577X</issn><issn>1873-4979</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LxDAQhoMouH78Aw8Bz-0madq0F1EWv0D04sFbSNKJZukmNemK-wv820YqHj0Nw7zzzjsPQmeUlJTQZrkuN2oaYCoZoW1JWUkatocWtBVVwTvR7aNFlomiFuLlEB2ltCaE8I7wBfq6GeDT6QHwo1sF9sQvjYo6-OVcsFc-WKchYhjATDH0kLBVOjqjJuix3mGFTdho53P3q0ljVLvlX-O8d_4VT2DevHvfArYh4rQdIRo1KuOmENMJOrBqSHD6W4_R88318-queHi6vV9dPRSGNXwqRAXathraGqBtlBJVQ2lNjbAVzQPVU0M6U-meK17RqudQM2N1Bw1ram2rY3Q-244x5CRpkuuwjT5flIx2tGWi5k1W8VllcvwUwcoxuo2KO0mJ_CEu13ImLn-IS8pkJp7XLuY1yA98OIgyGQfeQO9iRiH74P43-AZrvpAq</recordid><startdate>20190401</startdate><enddate>20190401</enddate><creator>Chang, Liyuan</creator><creator>Li, Cuiyan</creator><creator>Ouyang, Haibo</creator><creator>Huang, Jianfeng</creator><creator>Huang, Qigao</creator><creator>Xu, Zhao</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20190401</creationdate><title>Flexible NiCo2O4@carbon/carbon nanofiber electrodes fabricated by a combined electrospray/electrospinning technique for supercapacitors</title><author>Chang, Liyuan ; Li, Cuiyan ; Ouyang, Haibo ; Huang, Jianfeng ; Huang, Qigao ; Xu, Zhao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c264t-73ebf8be85ee86aa7361151c7f31bf8ad1c09c3bd4a4313d4e52cfb9e6265bf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Capacitance</topic><topic>Carbon fibers</topic><topic>Core-shell structure</topic><topic>Electrodes</topic><topic>Electrospinning</topic><topic>Electrospraying</topic><topic>Energy storage and conversion</topic><topic>Materials science</topic><topic>Nanocomposites</topic><topic>Nanofibers</topic><topic>Nickel compounds</topic><topic>NiCo2O4</topic><topic>Performance enhancement</topic><topic>Supercapacitors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chang, Liyuan</creatorcontrib><creatorcontrib>Li, Cuiyan</creatorcontrib><creatorcontrib>Ouyang, Haibo</creatorcontrib><creatorcontrib>Huang, Jianfeng</creatorcontrib><creatorcontrib>Huang, Qigao</creatorcontrib><creatorcontrib>Xu, Zhao</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chang, Liyuan</au><au>Li, Cuiyan</au><au>Ouyang, Haibo</au><au>Huang, Jianfeng</au><au>Huang, Qigao</au><au>Xu, Zhao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Flexible NiCo2O4@carbon/carbon nanofiber electrodes fabricated by a combined electrospray/electrospinning technique for supercapacitors</atitle><jtitle>Materials letters</jtitle><date>2019-04-01</date><risdate>2019</risdate><volume>240</volume><spage>21</spage><epage>24</epage><pages>21-24</pages><issn>0167-577X</issn><eissn>1873-4979</eissn><abstract>[Display omitted]
•The NiCo2O4@C/CNFs was fabricated by a combined electrospray/electrospinning method.•The core-shell NiCo2O4@C clusters were trapped in the carbon nanofiber net.•The specific capacitance reaches 1586 Fg−1 at 1 Ag−1 and 806 Fg−1 even at 32 Ag−1.•The capacitance retention achieves 92.5% after 5000 charge-discharge cycles.
A flexible NiCo2O4@Carbon/Carbon nanofiber (NiCo2O4@C/CNFs) composite was fabricated by the combined electrospray/electrospinning technique. The NiCo2O4 clusters were coated with an amorphous carbon layer to form NiCo2O4@C core-shell structure and homogeneously trapped in the CNFs net. The NiCo2O4@C/CNFs electrodes exhibited a high specific capacitance (1586 Fg−1 at 1 Ag−1), good rate performance (51% retention even at 32 Ag−1), and superior cycling life (92.5% capacitance retention after 5000 cycles at 10 Ag−1). The combined electrospray/electrospinning technique is a promising method to produce flexible electrodes with enhanced performance.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.matlet.2018.12.062</doi><tpages>4</tpages></addata></record> |
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| subjects | Capacitance Carbon fibers Core-shell structure Electrodes Electrospinning Electrospraying Energy storage and conversion Materials science Nanocomposites Nanofibers Nickel compounds NiCo2O4 Performance enhancement Supercapacitors |
| title | Flexible NiCo2O4@carbon/carbon nanofiber electrodes fabricated by a combined electrospray/electrospinning technique for supercapacitors |
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