Structure, morphology and electrochemical behaviour of manganese oxides prepared by controlled decomposition of permanganate
Hydrothermal decomposition of permanganate, conducted in a range of pH-controlled solutions (from strongly acidic to strongly basic), is used to prepare manganese dioxides that are well-suited for use as supercapacitor electrode materials. While permanganate is thermodynamically unstable, the kineti...
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| Veröffentlicht in: | Journal of power sources 2010, Vol.195 (1), p.367-373 |
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| creator | Donne, S.W. Hollenkamp, A.F. Jones, B.C. |
| description | Hydrothermal decomposition of permanganate, conducted in a range of pH-controlled solutions (from strongly acidic to strongly basic), is used to prepare manganese dioxides that are well-suited for use as supercapacitor electrode materials. While permanganate is thermodynamically unstable, the kinetics of its decomposition in an aqueous environment are very slow, until the temperature is raised to ∼200
°C. Although the resultant materials are relatively crystalline and have low total pore volume, their prominent meso-porosity leads to good electrochemical performance. Best behaviour is obtained for material from permanganate decomposition in 0.01
M H
2SO
4 solution, for which composite electrodes (150
μm thick) yield ∼150
F
g
−1 at 5
mV
s
−1 in a 9
M KOH electrolyte. |
| doi_str_mv | 10.1016/j.jpowsour.2009.06.103 |
| format | Article |
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°C. Although the resultant materials are relatively crystalline and have low total pore volume, their prominent meso-porosity leads to good electrochemical performance. Best behaviour is obtained for material from permanganate decomposition in 0.01
M H
2SO
4 solution, for which composite electrodes (150
μm thick) yield ∼150
F
g
−1 at 5
mV
s
−1 in a 9
M KOH electrolyte.</description><identifier>ISSN: 0378-7753</identifier><identifier>EISSN: 1873-2755</identifier><identifier>DOI: 10.1016/j.jpowsour.2009.06.103</identifier><identifier>CODEN: JPSODZ</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Applied sciences ; Birnessite ; Capacitors. Resistors. Filters ; Composite electrode ; Electrical engineering. Electrical power engineering ; Exact sciences and technology ; Manganese dioxide ; Pseudo-capacitance ; Supercapacitor ; Various equipment and components</subject><ispartof>Journal of power sources, 2010, Vol.195 (1), p.367-373</ispartof><rights>2009</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c404t-ca72cab0f30d7d6a7f3ace68243f18e3f09ac5187fe8b3b1ab2690e630af92eb3</citedby><cites>FETCH-LOGICAL-c404t-ca72cab0f30d7d6a7f3ace68243f18e3f09ac5187fe8b3b1ab2690e630af92eb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0378775309011781$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,4010,27900,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21974682$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Donne, S.W.</creatorcontrib><creatorcontrib>Hollenkamp, A.F.</creatorcontrib><creatorcontrib>Jones, B.C.</creatorcontrib><title>Structure, morphology and electrochemical behaviour of manganese oxides prepared by controlled decomposition of permanganate</title><title>Journal of power sources</title><description>Hydrothermal decomposition of permanganate, conducted in a range of pH-controlled solutions (from strongly acidic to strongly basic), is used to prepare manganese dioxides that are well-suited for use as supercapacitor electrode materials. While permanganate is thermodynamically unstable, the kinetics of its decomposition in an aqueous environment are very slow, until the temperature is raised to ∼200
°C. Although the resultant materials are relatively crystalline and have low total pore volume, their prominent meso-porosity leads to good electrochemical performance. Best behaviour is obtained for material from permanganate decomposition in 0.01
M H
2SO
4 solution, for which composite electrodes (150
μm thick) yield ∼150
F
g
−1 at 5
mV
s
−1 in a 9
M KOH electrolyte.</description><subject>Applied sciences</subject><subject>Birnessite</subject><subject>Capacitors. Resistors. Filters</subject><subject>Composite electrode</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Exact sciences and technology</subject><subject>Manganese dioxide</subject><subject>Pseudo-capacitance</subject><subject>Supercapacitor</subject><subject>Various equipment and components</subject><issn>0378-7753</issn><issn>1873-2755</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqFkUFv1DAQhS0EEkvhLyBf4NRsx3YSJ7dWFbRIlXoAztbEGXe9SuLUTgor8ePxagvXnqwZfc9Pbx5jHwVsBYj6Yr_dz-FXCmvcSoB2C3Xeq1dsIxqtCqmr6jXbgNJNoXWl3rJ3Ke0BQAgNG_bn-xJXu6yRzvkY4rwLQ3g4cJx6TgPZJQa7o9FbHHhHO3zy2YYHx0ecHnCiRDz89j0lPkeaMVLPuwO3YcrCYchTTzaMc0h-8WE6CmeKJy0u9J69cTgk-vD8nrGfX7_8uL4t7u5vvl1f3RW2hHIpLGppsQOnoNd9jdoptFQ3slRONKQctGirnNZR06lOYCfrFqhWgK6V1Kkz9vn07xzD40ppMaNPloYhJwhrMqpsla6a5kVQCtCy0jKD9Qm0MaQUyZk5-hHjwQgwx1bM3vxrxRxbMVDnvcrCT88OmPJRXcTJ-vRfLUWry5wsc5cnjvJdnjxFk6ynyVLvY67F9MG_ZPUX0ZCrVw</recordid><startdate>2010</startdate><enddate>2010</enddate><creator>Donne, S.W.</creator><creator>Hollenkamp, A.F.</creator><creator>Jones, B.C.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>C1K</scope><scope>SOI</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>2010</creationdate><title>Structure, morphology and electrochemical behaviour of manganese oxides prepared by controlled decomposition of permanganate</title><author>Donne, S.W. ; Hollenkamp, A.F. ; Jones, B.C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c404t-ca72cab0f30d7d6a7f3ace68243f18e3f09ac5187fe8b3b1ab2690e630af92eb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Applied sciences</topic><topic>Birnessite</topic><topic>Capacitors. Resistors. Filters</topic><topic>Composite electrode</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Exact sciences and technology</topic><topic>Manganese dioxide</topic><topic>Pseudo-capacitance</topic><topic>Supercapacitor</topic><topic>Various equipment and components</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Donne, S.W.</creatorcontrib><creatorcontrib>Hollenkamp, A.F.</creatorcontrib><creatorcontrib>Jones, B.C.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of power sources</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Donne, S.W.</au><au>Hollenkamp, A.F.</au><au>Jones, B.C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structure, morphology and electrochemical behaviour of manganese oxides prepared by controlled decomposition of permanganate</atitle><jtitle>Journal of power sources</jtitle><date>2010</date><risdate>2010</risdate><volume>195</volume><issue>1</issue><spage>367</spage><epage>373</epage><pages>367-373</pages><issn>0378-7753</issn><eissn>1873-2755</eissn><coden>JPSODZ</coden><abstract>Hydrothermal decomposition of permanganate, conducted in a range of pH-controlled solutions (from strongly acidic to strongly basic), is used to prepare manganese dioxides that are well-suited for use as supercapacitor electrode materials. While permanganate is thermodynamically unstable, the kinetics of its decomposition in an aqueous environment are very slow, until the temperature is raised to ∼200
°C. Although the resultant materials are relatively crystalline and have low total pore volume, their prominent meso-porosity leads to good electrochemical performance. Best behaviour is obtained for material from permanganate decomposition in 0.01
M H
2SO
4 solution, for which composite electrodes (150
μm thick) yield ∼150
F
g
−1 at 5
mV
s
−1 in a 9
M KOH electrolyte.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jpowsour.2009.06.103</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Journal of power sources, 2010, Vol.195 (1), p.367-373 |
| issn | 0378-7753 1873-2755 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Birnessite Capacitors. Resistors. Filters Composite electrode Electrical engineering. Electrical power engineering Exact sciences and technology Manganese dioxide Pseudo-capacitance Supercapacitor Various equipment and components |
| title | Structure, morphology and electrochemical behaviour of manganese oxides prepared by controlled decomposition of permanganate |
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