Studies on spray deposited Ni doped Mn^sub 3^O^sub 4^ electrodes for supercapacitor applications
The doping influenced morphological alteration and its consequent impact on electrochemical properties of Mn3O4 electrodes has been investigated. The Ni doped Mn3O4 are characterized for its surface morphological, compositional, structural, optical and electrochemical properties. The polycrystalline...
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Veröffentlicht in: | Journal of alloys and compounds 2019-02, Vol.774, p.787 |
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description | The doping influenced morphological alteration and its consequent impact on electrochemical properties of Mn3O4 electrodes has been investigated. The Ni doped Mn3O4 are characterized for its surface morphological, compositional, structural, optical and electrochemical properties. The polycrystalline nature of Ni doped Mn3O4 films with tetragonal Hausmannite crystal structure has been confirmed from x-ray diffraction. The field emission scanning electron microscope study shows that Ni doped Mn3O4 films have porous nanoflakes type surface morphology. The band gap energy for Ni doped Mn3O4 films ranges between 2.55 and 3.29 eV depending on the Ni doping. The specific capacitance of 705 Fg‒1 from cyclic voltammetry and 740 F g−1 from galvanostatic charge/discharge has been perceived. The Ni doped Mn3O4 electrode show good electrochemical cycling stability. The electrochemical impedance study showed charge transfer resistance of 6.8 Ωcm2 for 0.50 mol % Ni doped Mn3O4 electrode. |
doi_str_mv | 10.1016/j.jallcom.2018.10.001 |
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The Ni doped Mn3O4 are characterized for its surface morphological, compositional, structural, optical and electrochemical properties. The polycrystalline nature of Ni doped Mn3O4 films with tetragonal Hausmannite crystal structure has been confirmed from x-ray diffraction. The field emission scanning electron microscope study shows that Ni doped Mn3O4 films have porous nanoflakes type surface morphology. The band gap energy for Ni doped Mn3O4 films ranges between 2.55 and 3.29 eV depending on the Ni doping. The specific capacitance of 705 Fg‒1 from cyclic voltammetry and 740 F g−1 from galvanostatic charge/discharge has been perceived. The Ni doped Mn3O4 electrode show good electrochemical cycling stability. The electrochemical impedance study showed charge transfer resistance of 6.8 Ωcm2 for 0.50 mol % Ni doped Mn3O4 electrode.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2018.10.001</identifier><language>eng</language><publisher>Lausanne: Elsevier BV</publisher><subject>Charge transfer ; Crystal structure ; Diffraction ; Doping ; Electrochemical analysis ; Electrodes ; Emission analysis ; Energy gap ; Field emission microscopy ; Hausmannite ; Manganese oxides ; Morphology ; Nickel ; Optical properties ; Polycrystals ; Scanning electron microscopy ; X-ray diffraction</subject><ispartof>Journal of alloys and compounds, 2019-02, Vol.774, p.787</ispartof><rights>Copyright Elsevier BV Feb 5, 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Naiknaware, AG</creatorcontrib><creatorcontrib>Chavan, JU</creatorcontrib><creatorcontrib>Kaldate, SH</creatorcontrib><creatorcontrib>Yadav, Abhijit A</creatorcontrib><title>Studies on spray deposited Ni doped Mn^sub 3^O^sub 4^ electrodes for supercapacitor applications</title><title>Journal of alloys and compounds</title><description>The doping influenced morphological alteration and its consequent impact on electrochemical properties of Mn3O4 electrodes has been investigated. The Ni doped Mn3O4 are characterized for its surface morphological, compositional, structural, optical and electrochemical properties. The polycrystalline nature of Ni doped Mn3O4 films with tetragonal Hausmannite crystal structure has been confirmed from x-ray diffraction. The field emission scanning electron microscope study shows that Ni doped Mn3O4 films have porous nanoflakes type surface morphology. The band gap energy for Ni doped Mn3O4 films ranges between 2.55 and 3.29 eV depending on the Ni doping. The specific capacitance of 705 Fg‒1 from cyclic voltammetry and 740 F g−1 from galvanostatic charge/discharge has been perceived. The Ni doped Mn3O4 electrode show good electrochemical cycling stability. The electrochemical impedance study showed charge transfer resistance of 6.8 Ωcm2 for 0.50 mol % Ni doped Mn3O4 electrode.</description><subject>Charge transfer</subject><subject>Crystal structure</subject><subject>Diffraction</subject><subject>Doping</subject><subject>Electrochemical analysis</subject><subject>Electrodes</subject><subject>Emission analysis</subject><subject>Energy gap</subject><subject>Field emission microscopy</subject><subject>Hausmannite</subject><subject>Manganese oxides</subject><subject>Morphology</subject><subject>Nickel</subject><subject>Optical properties</subject><subject>Polycrystals</subject><subject>Scanning electron microscopy</subject><subject>X-ray diffraction</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqNi8tOxCAUhslEk6mXR5iExHUrlA6la6Nx47jQdUcEJqFhepADC99eYnwAV__t-wnZcdZxxuX90i06BAPnrmdc1a5jjG9Iw9Uo2kHK6YI0bOr3rRJKbckV4sIqMQnekI-3XKx3SGGlGJP-ptZFQJ-dpQdPLcRqXtYZyycV8-uvDjN1wZmcwNbjCRLFEl0yOmrjc406xuCNzh5WvCGXJx3Q3f7pNbl7enx_eG5jgq_iMB8XKGmt07Hn-3GQSo6T-B_1AxZ4Tdc</recordid><startdate>20190205</startdate><enddate>20190205</enddate><creator>Naiknaware, AG</creator><creator>Chavan, JU</creator><creator>Kaldate, SH</creator><creator>Yadav, Abhijit A</creator><general>Elsevier BV</general><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20190205</creationdate><title>Studies on spray deposited Ni doped Mn^sub 3^O^sub 4^ electrodes for supercapacitor applications</title><author>Naiknaware, AG ; Chavan, JU ; Kaldate, SH ; Yadav, Abhijit A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_21574686793</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Charge transfer</topic><topic>Crystal structure</topic><topic>Diffraction</topic><topic>Doping</topic><topic>Electrochemical analysis</topic><topic>Electrodes</topic><topic>Emission analysis</topic><topic>Energy gap</topic><topic>Field emission microscopy</topic><topic>Hausmannite</topic><topic>Manganese oxides</topic><topic>Morphology</topic><topic>Nickel</topic><topic>Optical properties</topic><topic>Polycrystals</topic><topic>Scanning electron microscopy</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Naiknaware, AG</creatorcontrib><creatorcontrib>Chavan, JU</creatorcontrib><creatorcontrib>Kaldate, SH</creatorcontrib><creatorcontrib>Yadav, Abhijit A</creatorcontrib><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>Naiknaware, AG</au><au>Chavan, JU</au><au>Kaldate, SH</au><au>Yadav, Abhijit A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Studies on spray deposited Ni doped Mn^sub 3^O^sub 4^ electrodes for supercapacitor applications</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2019-02-05</date><risdate>2019</risdate><volume>774</volume><spage>787</spage><pages>787-</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>The doping influenced morphological alteration and its consequent impact on electrochemical properties of Mn3O4 electrodes has been investigated. The Ni doped Mn3O4 are characterized for its surface morphological, compositional, structural, optical and electrochemical properties. The polycrystalline nature of Ni doped Mn3O4 films with tetragonal Hausmannite crystal structure has been confirmed from x-ray diffraction. The field emission scanning electron microscope study shows that Ni doped Mn3O4 films have porous nanoflakes type surface morphology. The band gap energy for Ni doped Mn3O4 films ranges between 2.55 and 3.29 eV depending on the Ni doping. The specific capacitance of 705 Fg‒1 from cyclic voltammetry and 740 F g−1 from galvanostatic charge/discharge has been perceived. The Ni doped Mn3O4 electrode show good electrochemical cycling stability. The electrochemical impedance study showed charge transfer resistance of 6.8 Ωcm2 for 0.50 mol % Ni doped Mn3O4 electrode.</abstract><cop>Lausanne</cop><pub>Elsevier BV</pub><doi>10.1016/j.jallcom.2018.10.001</doi></addata></record> |
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subjects | Charge transfer Crystal structure Diffraction Doping Electrochemical analysis Electrodes Emission analysis Energy gap Field emission microscopy Hausmannite Manganese oxides Morphology Nickel Optical properties Polycrystals Scanning electron microscopy X-ray diffraction |
title | Studies on spray deposited Ni doped Mn^sub 3^O^sub 4^ electrodes for supercapacitor applications |
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