N-doped reduced graphene oxide/Co0.85Se microflowers with high mass loading as battery-type materials for quasi-solid-state hybrid supercapacitors

•N-rGO/CS microflowers with high mass loading were prepared.•The introduction of N-rGO could increase the specific surface area and enhance conductivity.•N-rGO/CS//AC quasi-solid-state HSCs were fabricated.•A high energy density of 4.65 mWh cm−3 were achieved for the assembled HSCs. [Display omitted...

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Published in:Journal of alloys and compounds 2022-01, Vol.890, p.161801, Article 161801
Main Authors: Du, Miao, Wang, Zejin, Yang, Chao, Deng, Yefan, Wang, Ting, Zhong, Wei, Yin, Wang, Jiao, Zhichao, Xia, Weimin, Jiang, Bailing, Zhou, Kesong, Yun, Sining, Chen, Yuanqing
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Language:English
Subjects:
Co0.85Se
Electrical resistivity
Flux density
Graphene
High mass loading
Ion transport
N-doped graphene
Quasi-solid-state supercapacitors
Solid state
Stability
Supercapacitors
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cited_by cdi_FETCH-LOGICAL-c337t-7ec988d547da64d1262a6546d68a8ab77bd9dc5a5706a248019973afd256ec543
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container_start_page 161801
container_title Journal of alloys and compounds
container_volume 890
creator Du, Miao
Wang, Zejin
Yang, Chao
Deng, Yefan
Wang, Ting
Zhong, Wei
Yin, Wang
Jiao, Zhichao
Xia, Weimin
Jiang, Bailing
Zhou, Kesong
Yun, Sining
Chen, Yuanqing
description •N-rGO/CS microflowers with high mass loading were prepared.•The introduction of N-rGO could increase the specific surface area and enhance conductivity.•N-rGO/CS//AC quasi-solid-state HSCs were fabricated.•A high energy density of 4.65 mWh cm−3 were achieved for the assembled HSCs. [Display omitted] In this work, we prepared N-doped reduced graphene oxide/Co0.85Se (N-rGO/CS) microflowers through a two-step method. Since introducing N-doped rGO, the fabricated N-rGO/CS electrode with a high mass loading (~8.83 mg/cm2) exhibits high areal specific capacity of 0.522 mAh/cm2 (4.24 F/cm2) at 1 mA/cm2, and a long-term cycling stability (85.8% of capacity retention after 6000 charge-discharge cycles). This is mainly because N-doped rGO can increase specific area and electrical conductivity, enhance the electrochemical activity and effectively facilitate the electron/ion transport between the electrode and electrolyte. Besides, the quasi-solid-state hybrid supercapacitors (HSCs) assembled by the N-rGO/CS delivers a high volumetric specific capacity of 5.82 mAh/cm3 at 1 mA/cm2, excellent energy density of 4.65 mWh/cm3 under 10.5 mW/cm3 and eminement cycle stability (87.6% retention over 6000 cycles at 10 mA/cm2).
doi_str_mv 10.1016/j.jallcom.2021.161801
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[Display omitted] In this work, we prepared N-doped reduced graphene oxide/Co0.85Se (N-rGO/CS) microflowers through a two-step method. Since introducing N-doped rGO, the fabricated N-rGO/CS electrode with a high mass loading (~8.83 mg/cm2) exhibits high areal specific capacity of 0.522 mAh/cm2 (4.24 F/cm2) at 1 mA/cm2, and a long-term cycling stability (85.8% of capacity retention after 6000 charge-discharge cycles). This is mainly because N-doped rGO can increase specific area and electrical conductivity, enhance the electrochemical activity and effectively facilitate the electron/ion transport between the electrode and electrolyte. Besides, the quasi-solid-state hybrid supercapacitors (HSCs) assembled by the N-rGO/CS delivers a high volumetric specific capacity of 5.82 mAh/cm3 at 1 mA/cm2, excellent energy density of 4.65 mWh/cm3 under 10.5 mW/cm3 and eminement cycle stability (87.6% retention over 6000 cycles at 10 mA/cm2).</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2021.161801</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Co0.85Se ; Electrical resistivity ; Flux density ; Graphene ; High mass loading ; Ion transport ; N-doped graphene ; Quasi-solid-state supercapacitors ; Solid state ; Stability ; Supercapacitors</subject><ispartof>Journal of alloys and compounds, 2022-01, Vol.890, p.161801, Article 161801</ispartof><rights>2021 Elsevier B.V.</rights><rights>Copyright Elsevier BV Jan 22, 2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c337t-7ec988d547da64d1262a6546d68a8ab77bd9dc5a5706a248019973afd256ec543</citedby><cites>FETCH-LOGICAL-c337t-7ec988d547da64d1262a6546d68a8ab77bd9dc5a5706a248019973afd256ec543</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,786,790,27957,27958</link.rule.ids></links><search><creatorcontrib>Du, Miao</creatorcontrib><creatorcontrib>Wang, Zejin</creatorcontrib><creatorcontrib>Yang, Chao</creatorcontrib><creatorcontrib>Deng, Yefan</creatorcontrib><creatorcontrib>Wang, Ting</creatorcontrib><creatorcontrib>Zhong, Wei</creatorcontrib><creatorcontrib>Yin, Wang</creatorcontrib><creatorcontrib>Jiao, Zhichao</creatorcontrib><creatorcontrib>Xia, Weimin</creatorcontrib><creatorcontrib>Jiang, Bailing</creatorcontrib><creatorcontrib>Zhou, Kesong</creatorcontrib><creatorcontrib>Yun, Sining</creatorcontrib><creatorcontrib>Chen, Yuanqing</creatorcontrib><title>N-doped reduced graphene oxide/Co0.85Se microflowers with high mass loading as battery-type materials for quasi-solid-state hybrid supercapacitors</title><title>Journal of alloys and compounds</title><description>•N-rGO/CS microflowers with high mass loading were prepared.•The introduction of N-rGO could increase the specific surface area and enhance conductivity.•N-rGO/CS//AC quasi-solid-state HSCs were fabricated.•A high energy density of 4.65 mWh cm−3 were achieved for the assembled HSCs. [Display omitted] In this work, we prepared N-doped reduced graphene oxide/Co0.85Se (N-rGO/CS) microflowers through a two-step method. Since introducing N-doped rGO, the fabricated N-rGO/CS electrode with a high mass loading (~8.83 mg/cm2) exhibits high areal specific capacity of 0.522 mAh/cm2 (4.24 F/cm2) at 1 mA/cm2, and a long-term cycling stability (85.8% of capacity retention after 6000 charge-discharge cycles). This is mainly because N-doped rGO can increase specific area and electrical conductivity, enhance the electrochemical activity and effectively facilitate the electron/ion transport between the electrode and electrolyte. Besides, the quasi-solid-state hybrid supercapacitors (HSCs) assembled by the N-rGO/CS delivers a high volumetric specific capacity of 5.82 mAh/cm3 at 1 mA/cm2, excellent energy density of 4.65 mWh/cm3 under 10.5 mW/cm3 and eminement cycle stability (87.6% retention over 6000 cycles at 10 mA/cm2).</description><subject>Co0.85Se</subject><subject>Electrical resistivity</subject><subject>Flux density</subject><subject>Graphene</subject><subject>High mass loading</subject><subject>Ion transport</subject><subject>N-doped graphene</subject><subject>Quasi-solid-state supercapacitors</subject><subject>Solid state</subject><subject>Stability</subject><subject>Supercapacitors</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNqFkM2O1DAQhC0EEsPCIyBZ4uys7cSOc0JoxJ-0ggNwtnrszsRRZpy1HZZ5DZ4Yr2bvnLqlrqpWfYS8FbwRXOjbuZlhWVw8NZJL0QgtDBfPyE6YvmWd1sNzsuODVMy0xrwkr3KeOediaMWO_P3GfFzR04R-c3UeE6wTnpHGP8Hj7T7yxqgfSE_BpTgu8QFTpg-hTHQKx4meIGe6RPDhfKSQ6QFKwXRh5bJWD9Q9wJLpGBO93yAHluMSPMulnuh0OaTgad5WTA5WcKHElF-TF2P14JuneUN-ffr4c_-F3X3__HX_4Y65tu0L69ENxnjV9R5054XUErTqtNcGDBz6_uAH7xSonmuQXUUyDH0Lo5dKo1Nde0PeXXPXFO83zMXOcUvn-tJKzbXk3LS6qtRVVevnnHC0awonSBcruH3Eb2f7hN8-4rdX_NX3_urDWuF3wGSzC3iuiENCV6yP4T8J_wBuo5L1</recordid><startdate>20220115</startdate><enddate>20220115</enddate><creator>Du, Miao</creator><creator>Wang, Zejin</creator><creator>Yang, Chao</creator><creator>Deng, Yefan</creator><creator>Wang, Ting</creator><creator>Zhong, Wei</creator><creator>Yin, Wang</creator><creator>Jiao, Zhichao</creator><creator>Xia, Weimin</creator><creator>Jiang, Bailing</creator><creator>Zhou, Kesong</creator><creator>Yun, Sining</creator><creator>Chen, Yuanqing</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>20220115</creationdate><title>N-doped reduced graphene oxide/Co0.85Se microflowers with high mass loading as battery-type materials for quasi-solid-state hybrid supercapacitors</title><author>Du, Miao ; Wang, Zejin ; Yang, Chao ; Deng, Yefan ; Wang, Ting ; Zhong, Wei ; Yin, Wang ; Jiao, Zhichao ; Xia, Weimin ; Jiang, Bailing ; Zhou, Kesong ; Yun, Sining ; Chen, Yuanqing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c337t-7ec988d547da64d1262a6546d68a8ab77bd9dc5a5706a248019973afd256ec543</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Co0.85Se</topic><topic>Electrical resistivity</topic><topic>Flux density</topic><topic>Graphene</topic><topic>High mass loading</topic><topic>Ion transport</topic><topic>N-doped graphene</topic><topic>Quasi-solid-state supercapacitors</topic><topic>Solid state</topic><topic>Stability</topic><topic>Supercapacitors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Du, Miao</creatorcontrib><creatorcontrib>Wang, Zejin</creatorcontrib><creatorcontrib>Yang, Chao</creatorcontrib><creatorcontrib>Deng, Yefan</creatorcontrib><creatorcontrib>Wang, Ting</creatorcontrib><creatorcontrib>Zhong, Wei</creatorcontrib><creatorcontrib>Yin, Wang</creatorcontrib><creatorcontrib>Jiao, Zhichao</creatorcontrib><creatorcontrib>Xia, Weimin</creatorcontrib><creatorcontrib>Jiang, Bailing</creatorcontrib><creatorcontrib>Zhou, Kesong</creatorcontrib><creatorcontrib>Yun, Sining</creatorcontrib><creatorcontrib>Chen, Yuanqing</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Du, Miao</au><au>Wang, Zejin</au><au>Yang, Chao</au><au>Deng, Yefan</au><au>Wang, Ting</au><au>Zhong, Wei</au><au>Yin, Wang</au><au>Jiao, Zhichao</au><au>Xia, Weimin</au><au>Jiang, Bailing</au><au>Zhou, Kesong</au><au>Yun, Sining</au><au>Chen, Yuanqing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>N-doped reduced graphene oxide/Co0.85Se microflowers with high mass loading as battery-type materials for quasi-solid-state hybrid supercapacitors</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2022-01-15</date><risdate>2022</risdate><volume>890</volume><spage>161801</spage><pages>161801-</pages><artnum>161801</artnum><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>•N-rGO/CS microflowers with high mass loading were prepared.•The introduction of N-rGO could increase the specific surface area and enhance conductivity.•N-rGO/CS//AC quasi-solid-state HSCs were fabricated.•A high energy density of 4.65 mWh cm−3 were achieved for the assembled HSCs. [Display omitted] In this work, we prepared N-doped reduced graphene oxide/Co0.85Se (N-rGO/CS) microflowers through a two-step method. Since introducing N-doped rGO, the fabricated N-rGO/CS electrode with a high mass loading (~8.83 mg/cm2) exhibits high areal specific capacity of 0.522 mAh/cm2 (4.24 F/cm2) at 1 mA/cm2, and a long-term cycling stability (85.8% of capacity retention after 6000 charge-discharge cycles). This is mainly because N-doped rGO can increase specific area and electrical conductivity, enhance the electrochemical activity and effectively facilitate the electron/ion transport between the electrode and electrolyte. Besides, the quasi-solid-state hybrid supercapacitors (HSCs) assembled by the N-rGO/CS delivers a high volumetric specific capacity of 5.82 mAh/cm3 at 1 mA/cm2, excellent energy density of 4.65 mWh/cm3 under 10.5 mW/cm3 and eminement cycle stability (87.6% retention over 6000 cycles at 10 mA/cm2).</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2021.161801</doi></addata></record>
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1873-4669
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subjects Co0.85Se
Electrical resistivity
Flux density
Graphene
High mass loading
Ion transport
N-doped graphene
Quasi-solid-state supercapacitors
Solid state
Stability
Supercapacitors
title N-doped reduced graphene oxide/Co0.85Se microflowers with high mass loading as battery-type materials for quasi-solid-state hybrid supercapacitors
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