Mixing solvothermal synthesis nickel selenide on the surface of graphene for high-efficiency asymmetric supercapacitors
•NiSe2 nanoparticles have been synthesized on graphene oxide nanosheets.•The NiSe2/rGO composite possesses a high specific capacity of 137.7 mA h g−1 (1A g−1).•NiSe2/rGO-20//AC ASC displays high energy density (33.13 Wh kg−1) at a power density (850 W kg−1).•NiSe2/rGO-20//AC ASC displays long cycle...
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| Veröffentlicht in: | Synthetic metals 2020-10, Vol.268, p.116490, Article 116490 |
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| container_title | Synthetic metals |
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| creator | Wu, Shang Cui, Tao Hu, Qinzheng Yin, Fenping Feng, Qiaoliang Zhou, Sheng Su, Qiong Wu, Lan Yang, Quanlu |
| description | •NiSe2 nanoparticles have been synthesized on graphene oxide nanosheets.•The NiSe2/rGO composite possesses a high specific capacity of 137.7 mA h g−1 (1A g−1).•NiSe2/rGO-20//AC ASC displays high energy density (33.13 Wh kg−1) at a power density (850 W kg−1).•NiSe2/rGO-20//AC ASC displays long cycle life (80 % after 10,000 cycles at 5 A g−1).
Nickel selenide nanoparticles uniformly supported on graphene nanosheets to form NiSe2/rGO composites were prepared via one-step mixing solvothermal method. The NiSe2/rGO composite possesses a high specific capacity of 137.7 mA h g−1 (1A g−1) and displays an excellent rate property. Moreover, there are NiSe2/rGO-20 as electrode materials assembling asymmetric supercapacitors, which manifests high energy density (33.13 Wh kg−1) at a power density (850 W kg−1) and the capacity can maintain of 80 % after 10,000 cycles. Therefore, NiSe2/rGO composite can be a potential candidate for high-efficiency asymmetric supercapacitors. |
| doi_str_mv | 10.1016/j.synthmet.2020.116490 |
| format | Article |
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Nickel selenide nanoparticles uniformly supported on graphene nanosheets to form NiSe2/rGO composites were prepared via one-step mixing solvothermal method. The NiSe2/rGO composite possesses a high specific capacity of 137.7 mA h g−1 (1A g−1) and displays an excellent rate property. Moreover, there are NiSe2/rGO-20 as electrode materials assembling asymmetric supercapacitors, which manifests high energy density (33.13 Wh kg−1) at a power density (850 W kg−1) and the capacity can maintain of 80 % after 10,000 cycles. Therefore, NiSe2/rGO composite can be a potential candidate for high-efficiency asymmetric supercapacitors.</description><identifier>ISSN: 0379-6779</identifier><identifier>EISSN: 1879-3290</identifier><identifier>DOI: 10.1016/j.synthmet.2020.116490</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Asymmetric supercapacitors ; Asymmetry ; Electrode ; Electrode materials ; Flux density ; Graphene ; Graphene oxide ; Nanoparticles ; Nickel ; Nickel selenide ; Supercapacitors</subject><ispartof>Synthetic metals, 2020-10, Vol.268, p.116490, Article 116490</ispartof><rights>2020</rights><rights>Copyright Elsevier BV Oct 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c406t-8145aff025657cac42a30c86f4f9b3daa86edd8fe91a7338746a11025d94ff983</citedby><cites>FETCH-LOGICAL-c406t-8145aff025657cac42a30c86f4f9b3daa86edd8fe91a7338746a11025d94ff983</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.synthmet.2020.116490$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Wu, Shang</creatorcontrib><creatorcontrib>Cui, Tao</creatorcontrib><creatorcontrib>Hu, Qinzheng</creatorcontrib><creatorcontrib>Yin, Fenping</creatorcontrib><creatorcontrib>Feng, Qiaoliang</creatorcontrib><creatorcontrib>Zhou, Sheng</creatorcontrib><creatorcontrib>Su, Qiong</creatorcontrib><creatorcontrib>Wu, Lan</creatorcontrib><creatorcontrib>Yang, Quanlu</creatorcontrib><title>Mixing solvothermal synthesis nickel selenide on the surface of graphene for high-efficiency asymmetric supercapacitors</title><title>Synthetic metals</title><description>•NiSe2 nanoparticles have been synthesized on graphene oxide nanosheets.•The NiSe2/rGO composite possesses a high specific capacity of 137.7 mA h g−1 (1A g−1).•NiSe2/rGO-20//AC ASC displays high energy density (33.13 Wh kg−1) at a power density (850 W kg−1).•NiSe2/rGO-20//AC ASC displays long cycle life (80 % after 10,000 cycles at 5 A g−1).
Nickel selenide nanoparticles uniformly supported on graphene nanosheets to form NiSe2/rGO composites were prepared via one-step mixing solvothermal method. The NiSe2/rGO composite possesses a high specific capacity of 137.7 mA h g−1 (1A g−1) and displays an excellent rate property. Moreover, there are NiSe2/rGO-20 as electrode materials assembling asymmetric supercapacitors, which manifests high energy density (33.13 Wh kg−1) at a power density (850 W kg−1) and the capacity can maintain of 80 % after 10,000 cycles. Therefore, NiSe2/rGO composite can be a potential candidate for high-efficiency asymmetric supercapacitors.</description><subject>Asymmetric supercapacitors</subject><subject>Asymmetry</subject><subject>Electrode</subject><subject>Electrode materials</subject><subject>Flux density</subject><subject>Graphene</subject><subject>Graphene oxide</subject><subject>Nanoparticles</subject><subject>Nickel</subject><subject>Nickel selenide</subject><subject>Supercapacitors</subject><issn>0379-6779</issn><issn>1879-3290</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqFUMtOwzAQtBBIlMIvIEucU-w8HPsGqnhJRVzgbBln3TikcbDTQv4et4Ezp33NzO4OQpeULCih7LpZhLEb6g0Mi5SksUlZLsgRmlFeiiRLBTlGM5LFnJWlOEVnITSEECrSYoa-nu237dY4uHbnhhr8RrX4oAfBBtxZ_QGxAS10tgLsOhwnOGy9UTqWBq-96mvoABvncW3XdQLGWG2h0yNWYdzEu7zVkdKD16pX2g7Oh3N0YlQb4OI3ztHb_d3r8jFZvTw8LW9Xic4JGxJO80IZQ9KCFaVWOk9VRjRnJjfiPauU4gyqihsQVJVZxsucKUojvBK5MYJnc3Q16fbefW4hDLJxW9_FlTLNSx6xpWARxSaU9i4ED0b23m6UHyUlcm-ybOSfyXJvspxMjsSbiQjxh50FL8PhdaisBz3Iytn_JH4AvFaMYg</recordid><startdate>202010</startdate><enddate>202010</enddate><creator>Wu, Shang</creator><creator>Cui, Tao</creator><creator>Hu, Qinzheng</creator><creator>Yin, Fenping</creator><creator>Feng, Qiaoliang</creator><creator>Zhou, Sheng</creator><creator>Su, Qiong</creator><creator>Wu, Lan</creator><creator>Yang, Quanlu</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>202010</creationdate><title>Mixing solvothermal synthesis nickel selenide on the surface of graphene for high-efficiency asymmetric supercapacitors</title><author>Wu, Shang ; Cui, Tao ; Hu, Qinzheng ; Yin, Fenping ; Feng, Qiaoliang ; Zhou, Sheng ; Su, Qiong ; Wu, Lan ; Yang, Quanlu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c406t-8145aff025657cac42a30c86f4f9b3daa86edd8fe91a7338746a11025d94ff983</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Asymmetric supercapacitors</topic><topic>Asymmetry</topic><topic>Electrode</topic><topic>Electrode materials</topic><topic>Flux density</topic><topic>Graphene</topic><topic>Graphene oxide</topic><topic>Nanoparticles</topic><topic>Nickel</topic><topic>Nickel selenide</topic><topic>Supercapacitors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wu, Shang</creatorcontrib><creatorcontrib>Cui, Tao</creatorcontrib><creatorcontrib>Hu, Qinzheng</creatorcontrib><creatorcontrib>Yin, Fenping</creatorcontrib><creatorcontrib>Feng, Qiaoliang</creatorcontrib><creatorcontrib>Zhou, Sheng</creatorcontrib><creatorcontrib>Su, Qiong</creatorcontrib><creatorcontrib>Wu, Lan</creatorcontrib><creatorcontrib>Yang, Quanlu</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Synthetic metals</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wu, Shang</au><au>Cui, Tao</au><au>Hu, Qinzheng</au><au>Yin, Fenping</au><au>Feng, Qiaoliang</au><au>Zhou, Sheng</au><au>Su, Qiong</au><au>Wu, Lan</au><au>Yang, Quanlu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mixing solvothermal synthesis nickel selenide on the surface of graphene for high-efficiency asymmetric supercapacitors</atitle><jtitle>Synthetic metals</jtitle><date>2020-10</date><risdate>2020</risdate><volume>268</volume><spage>116490</spage><pages>116490-</pages><artnum>116490</artnum><issn>0379-6779</issn><eissn>1879-3290</eissn><abstract>•NiSe2 nanoparticles have been synthesized on graphene oxide nanosheets.•The NiSe2/rGO composite possesses a high specific capacity of 137.7 mA h g−1 (1A g−1).•NiSe2/rGO-20//AC ASC displays high energy density (33.13 Wh kg−1) at a power density (850 W kg−1).•NiSe2/rGO-20//AC ASC displays long cycle life (80 % after 10,000 cycles at 5 A g−1).
Nickel selenide nanoparticles uniformly supported on graphene nanosheets to form NiSe2/rGO composites were prepared via one-step mixing solvothermal method. The NiSe2/rGO composite possesses a high specific capacity of 137.7 mA h g−1 (1A g−1) and displays an excellent rate property. Moreover, there are NiSe2/rGO-20 as electrode materials assembling asymmetric supercapacitors, which manifests high energy density (33.13 Wh kg−1) at a power density (850 W kg−1) and the capacity can maintain of 80 % after 10,000 cycles. Therefore, NiSe2/rGO composite can be a potential candidate for high-efficiency asymmetric supercapacitors.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.synthmet.2020.116490</doi></addata></record> |
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| subjects | Asymmetric supercapacitors Asymmetry Electrode Electrode materials Flux density Graphene Graphene oxide Nanoparticles Nickel Nickel selenide Supercapacitors |
| title | Mixing solvothermal synthesis nickel selenide on the surface of graphene for high-efficiency asymmetric supercapacitors |
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