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ZIF-67 Derived Co2VO4 Hollow Nanocubes for High Performance Asymmetric Supercapacitors
In this work, a new type of Co2VO4 hollow nanocube (CoVO-HNC) was synthesized through an ion exchange process using ZIF-67 nanocubes as a template. The hollow nanocubic structure of the CoVO-HNC provides an abundance of redox sites and shortens the ion/electron diffusion path. As the electrode mater...
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| Published in: | Nanomaterials (Basel, Switzerland) Switzerland), 2022-03, Vol.12 (5), p.848 |
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| container_issue | 5 |
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| container_title | Nanomaterials (Basel, Switzerland) |
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| creator | Li, Chengda Ma, Dongliang Zhu, Qinglin |
| description | In this work, a new type of Co2VO4 hollow nanocube (CoVO-HNC) was synthesized through an ion exchange process using ZIF-67 nanocubes as a template. The hollow nanocubic structure of the CoVO-HNC provides an abundance of redox sites and shortens the ion/electron diffusion path. As the electrode material of supercapacitors, the specific capacitance of CoVO-HNC is 427.64 F g−1 at 1.0 A g−1. Furthermore, an asymmetric supercapacitor (ASC) was assembled using CoVO-HNC and activated carbon (AC) as electrodes. The ASC device attains an energy density of 25.28 Wh kg−1 at a high-power density of 801.24 W kg−1, with 78% capacitance retention after 10,000 cycles at 10 A g−1. |
| doi_str_mv | 10.3390/nano12050848 |
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The hollow nanocubic structure of the CoVO-HNC provides an abundance of redox sites and shortens the ion/electron diffusion path. As the electrode material of supercapacitors, the specific capacitance of CoVO-HNC is 427.64 F g−1 at 1.0 A g−1. Furthermore, an asymmetric supercapacitor (ASC) was assembled using CoVO-HNC and activated carbon (AC) as electrodes. The ASC device attains an energy density of 25.28 Wh kg−1 at a high-power density of 801.24 W kg−1, with 78% capacitance retention after 10,000 cycles at 10 A g−1.</description><identifier>ISSN: 2079-4991</identifier><identifier>EISSN: 2079-4991</identifier><identifier>DOI: 10.3390/nano12050848</identifier><identifier>PMID: 35269336</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Activated carbon ; Aqueous solutions ; Asymmetry ; Capacitance ; Chemical synthesis ; Co2VO4 nanocubes ; Electrode materials ; Electrodes ; Electrolytes ; Electron diffusion ; Energy storage ; Ethanol ; Flux density ; hollow structures ; Ion exchange ; Microscopy ; Nanoparticles ; Pore size ; Retention ; Spectrum analysis ; supercapacitor ; Supercapacitors ; zeolitic imidazolate frameworks</subject><ispartof>Nanomaterials (Basel, Switzerland), 2022-03, Vol.12 (5), p.848</ispartof><rights>2022 by the authors. Licensee MDPI, Basel, Switzerland. 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The ASC device attains an energy density of 25.28 Wh kg−1 at a high-power density of 801.24 W kg−1, with 78% capacitance retention after 10,000 cycles at 10 A g−1.</description><subject>Activated carbon</subject><subject>Aqueous solutions</subject><subject>Asymmetry</subject><subject>Capacitance</subject><subject>Chemical synthesis</subject><subject>Co2VO4 nanocubes</subject><subject>Electrode materials</subject><subject>Electrodes</subject><subject>Electrolytes</subject><subject>Electron diffusion</subject><subject>Energy storage</subject><subject>Ethanol</subject><subject>Flux density</subject><subject>hollow structures</subject><subject>Ion exchange</subject><subject>Microscopy</subject><subject>Nanoparticles</subject><subject>Pore size</subject><subject>Retention</subject><subject>Spectrum analysis</subject><subject>supercapacitor</subject><subject>Supercapacitors</subject><subject>zeolitic imidazolate frameworks</subject><issn>2079-4991</issn><issn>2079-4991</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>PIMPY</sourceid><sourceid>DOA</sourceid><recordid>eNpdkU9LHDEYh4fSUkW9-QEGeumhY5PJ_0tB1tpdEC209eAlZJI3a5aZyTaZsfjtm3WlaHPJj-ThIb-8VXWK0RkhCn0ezRhxixiSVL6pDlskVEOVwm9f5IPqJOcNKkthIhl5Xx0Q1nJFCD-sbu9Wlw0X9QWk8ACuXsT29obWy9j38U99XfR27iDXPqZ6Gdb39XdIJQ9mtFCf58dhgCkFW_-Yt5Cs2RobppjycfXOmz7DyfN-VP26_PpzsWyubr6tFudXjaWMTQ0gywRlHjvLqGqVs9I7QVUpRBkByUXLgHlHSxBM2E4Kxr3jXjqDvFTkqFrtvS6ajd6mMJj0qKMJ-ukgprU2aQq2By2YUwo8YoYbapjqoBNIEIQlAm7xzvVl79rO3QDOwjgl07-Svr4Zw71exwctFW6lREXw8VmQ4u8Z8qSHkC30vRkhzlm3nMhSqJQr6If_0E2c01i-akcJiSjCvFCf9pRNMecE_t9jMNK7-euX8yd_Acs0n-0</recordid><startdate>20220302</startdate><enddate>20220302</enddate><creator>Li, Chengda</creator><creator>Ma, Dongliang</creator><creator>Zhu, Qinglin</creator><general>MDPI AG</general><general>MDPI</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>F28</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>H8D</scope><scope>H8G</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>JQ2</scope><scope>KB.</scope><scope>KR7</scope><scope>L7M</scope><scope>LK8</scope><scope>L~C</scope><scope>L~D</scope><scope>M7P</scope><scope>P64</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>7X8</scope><scope>5PM</scope><scope>DOA</scope></search><sort><creationdate>20220302</creationdate><title>ZIF-67 Derived Co2VO4 Hollow Nanocubes for High Performance Asymmetric Supercapacitors</title><author>Li, Chengda ; Ma, Dongliang ; Zhu, Qinglin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c455t-e0c5745f1dc54929dc8fd749050453e86725e5fd4672757cb8756fd6f8da0f893</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Activated carbon</topic><topic>Aqueous solutions</topic><topic>Asymmetry</topic><topic>Capacitance</topic><topic>Chemical synthesis</topic><topic>Co2VO4 nanocubes</topic><topic>Electrode materials</topic><topic>Electrodes</topic><topic>Electrolytes</topic><topic>Electron diffusion</topic><topic>Energy storage</topic><topic>Ethanol</topic><topic>Flux density</topic><topic>hollow structures</topic><topic>Ion exchange</topic><topic>Microscopy</topic><topic>Nanoparticles</topic><topic>Pore size</topic><topic>Retention</topic><topic>Spectrum analysis</topic><topic>supercapacitor</topic><topic>Supercapacitors</topic><topic>zeolitic imidazolate frameworks</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Chengda</creatorcontrib><creatorcontrib>Ma, Dongliang</creatorcontrib><creatorcontrib>Zhu, Qinglin</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>SciTech Premium Collection (Proquest) (PQ_SDU_P3)</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Materials Science Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ProQuest Biological Science Collection</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database (Proquest) (PQ_SDU_P3)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>Nanomaterials (Basel, Switzerland)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Chengda</au><au>Ma, Dongliang</au><au>Zhu, Qinglin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>ZIF-67 Derived Co2VO4 Hollow Nanocubes for High Performance Asymmetric Supercapacitors</atitle><jtitle>Nanomaterials (Basel, Switzerland)</jtitle><date>2022-03-02</date><risdate>2022</risdate><volume>12</volume><issue>5</issue><spage>848</spage><pages>848-</pages><issn>2079-4991</issn><eissn>2079-4991</eissn><abstract>In this work, a new type of Co2VO4 hollow nanocube (CoVO-HNC) was synthesized through an ion exchange process using ZIF-67 nanocubes as a template. 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| subjects | Activated carbon Aqueous solutions Asymmetry Capacitance Chemical synthesis Co2VO4 nanocubes Electrode materials Electrodes Electrolytes Electron diffusion Energy storage Ethanol Flux density hollow structures Ion exchange Microscopy Nanoparticles Pore size Retention Spectrum analysis supercapacitor Supercapacitors zeolitic imidazolate frameworks |
| title | ZIF-67 Derived Co2VO4 Hollow Nanocubes for High Performance Asymmetric Supercapacitors |
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