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Manganese Oxide/Single-Walls Carbon Nanotubes Electrodeposited Films for Supercapacitors
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| Zeitschriftentitel: | Key Engineering Materials |
|---|---|
| Personen und Körperschaften: | |
| In: | Key Engineering Materials, 744, 2017, S. 354-358 |
| Format: | E-Article |
| Sprache: | Unbestimmt |
| veröffentlicht: |
Trans Tech Publications, Ltd.
|
| Schlagwörter: |
| author_facet |
Xiao, Fang Xiao, Fang |
|---|---|
| author |
Xiao, Fang |
| spellingShingle |
Xiao, Fang Key Engineering Materials Manganese Oxide/Single-Walls Carbon Nanotubes Electrodeposited Films for Supercapacitors Mechanical Engineering Mechanics of Materials General Materials Science |
| author_sort |
xiao, fang |
| spelling |
Xiao, Fang 1662-9795 Trans Tech Publications, Ltd. Mechanical Engineering Mechanics of Materials General Materials Science http://dx.doi.org/10.4028/www.scientific.net/kem.744.354 <jats:p>The manganese oxide/single-walls carbon nanotubes (SWNTs) composite films were co-deposited by the potentiodynamic method via octylphenyl polyoxyethylene ether (OP-10) mediation the growth rate of electrolysis MnO<jats:sub>2</jats:sub>. Octylphenyl polyoxyethylene ether (OP-10) was used to obtain SWNTs suspensions through noncovalent functionalizition. At the fixed OP-10 concentration of 0.075 mol L<jats:sup>-1</jats:sup>, specific capacitance (SC) of the composites raised with SWNTs concentration increased and reached a maximum at SWNT concentration of 0.75 g L<jats:sup>-1</jats:sup> due to porous microstructure and good electronic conductivity of SWNTs. Moreover, appropriated OP-10 concentration benefited to not only stable SWNTs suspension but also modified MnO<jats:sub>2</jats:sub> electrodeposited process for the uniform distribution of nanotubes in the composites. The microstructure and electrochemical characteristics of MnO<jats:sub>2</jats:sub>/SWNTs composite films were affected by the SWNTs content. The supercapacitor performances of MnO<jats:sub>2</jats:sub> as the ratio of SWNTs optimized were significantly improved for the electronic and ionic transport in this film should be more balance. According to electrochemical impedance spectrum, the optimal MnO<jats:sub>2</jats:sub>/SWNTs composite presented low charge-transfer resistance and good frequency response. The MnO<jats:sub>2</jats:sub>/SWNTs composite showed the maximum SC of 421 F g<jats:sup>-1</jats:sup>, which was four times higher than the pure MnO<jats:sub>2</jats:sub>, at the current of 1 A g<jats:sup>-1</jats:sup>. This MnO<jats:sub>2</jats:sub>/SWNTs composite is a promising active material for high energy density and high power density supercapacitors.</jats:p> Manganese Oxide/Single-Walls Carbon Nanotubes Electrodeposited Films for Supercapacitors Key Engineering Materials |
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ElectronicArticle |
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DE-L229 DE-D275 DE-Bn3 DE-Brt1 DE-D161 DE-Gla1 DE-Zi4 DE-15 DE-Pl11 DE-Rs1 DE-105 DE-14 DE-Ch1 |
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Trans Tech Publications, Ltd., 2017 |
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Trans Tech Publications, Ltd., 2017 |
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1662-9795 |
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1662-9795 |
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Trans Tech Publications, Ltd. (CrossRef) |
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2017 |
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Key Engineering Materials |
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49 |
| title |
Manganese Oxide/Single-Walls Carbon Nanotubes Electrodeposited Films for Supercapacitors |
| title_unstemmed |
Manganese Oxide/Single-Walls Carbon Nanotubes Electrodeposited Films for Supercapacitors |
| title_full |
Manganese Oxide/Single-Walls Carbon Nanotubes Electrodeposited Films for Supercapacitors |
| title_fullStr |
Manganese Oxide/Single-Walls Carbon Nanotubes Electrodeposited Films for Supercapacitors |
| title_full_unstemmed |
Manganese Oxide/Single-Walls Carbon Nanotubes Electrodeposited Films for Supercapacitors |
| title_short |
Manganese Oxide/Single-Walls Carbon Nanotubes Electrodeposited Films for Supercapacitors |
| title_sort |
manganese oxide/single-walls carbon nanotubes electrodeposited films for supercapacitors |
| topic |
Mechanical Engineering Mechanics of Materials General Materials Science |
| url |
http://dx.doi.org/10.4028/www.scientific.net/kem.744.354 |
| publishDate |
2017 |
| physical |
354-358 |
| description |
<jats:p>The manganese oxide/single-walls carbon nanotubes (SWNTs) composite films were co-deposited by the potentiodynamic method via octylphenyl polyoxyethylene ether (OP-10) mediation the growth rate of electrolysis MnO<jats:sub>2</jats:sub>. Octylphenyl polyoxyethylene ether (OP-10) was used to obtain SWNTs suspensions through noncovalent functionalizition. At the fixed OP-10 concentration of 0.075 mol L<jats:sup>-1</jats:sup>, specific capacitance (SC) of the composites raised with SWNTs concentration increased and reached a maximum at SWNT concentration of 0.75 g L<jats:sup>-1</jats:sup> due to porous microstructure and good electronic conductivity of SWNTs. Moreover, appropriated OP-10 concentration benefited to not only stable SWNTs suspension but also modified MnO<jats:sub>2</jats:sub> electrodeposited process for the uniform distribution of nanotubes in the composites. The microstructure and electrochemical characteristics of MnO<jats:sub>2</jats:sub>/SWNTs composite films were affected by the SWNTs content. The supercapacitor performances of MnO<jats:sub>2</jats:sub> as the ratio of SWNTs optimized were significantly improved for the electronic and ionic transport in this film should be more balance. According to electrochemical impedance spectrum, the optimal MnO<jats:sub>2</jats:sub>/SWNTs composite presented low charge-transfer resistance and good frequency response. The MnO<jats:sub>2</jats:sub>/SWNTs composite showed the maximum SC of 421 F g<jats:sup>-1</jats:sup>, which was four times higher than the pure MnO<jats:sub>2</jats:sub>, at the current of 1 A g<jats:sup>-1</jats:sup>. This MnO<jats:sub>2</jats:sub>/SWNTs composite is a promising active material for high energy density and high power density supercapacitors.</jats:p> |
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| author | Xiao, Fang |
| author_facet | Xiao, Fang, Xiao, Fang |
| author_sort | xiao, fang |
| container_start_page | 354 |
| container_title | Key Engineering Materials |
| container_volume | 744 |
| description | <jats:p>The manganese oxide/single-walls carbon nanotubes (SWNTs) composite films were co-deposited by the potentiodynamic method via octylphenyl polyoxyethylene ether (OP-10) mediation the growth rate of electrolysis MnO<jats:sub>2</jats:sub>. Octylphenyl polyoxyethylene ether (OP-10) was used to obtain SWNTs suspensions through noncovalent functionalizition. At the fixed OP-10 concentration of 0.075 mol L<jats:sup>-1</jats:sup>, specific capacitance (SC) of the composites raised with SWNTs concentration increased and reached a maximum at SWNT concentration of 0.75 g L<jats:sup>-1</jats:sup> due to porous microstructure and good electronic conductivity of SWNTs. Moreover, appropriated OP-10 concentration benefited to not only stable SWNTs suspension but also modified MnO<jats:sub>2</jats:sub> electrodeposited process for the uniform distribution of nanotubes in the composites. The microstructure and electrochemical characteristics of MnO<jats:sub>2</jats:sub>/SWNTs composite films were affected by the SWNTs content. The supercapacitor performances of MnO<jats:sub>2</jats:sub> as the ratio of SWNTs optimized were significantly improved for the electronic and ionic transport in this film should be more balance. According to electrochemical impedance spectrum, the optimal MnO<jats:sub>2</jats:sub>/SWNTs composite presented low charge-transfer resistance and good frequency response. The MnO<jats:sub>2</jats:sub>/SWNTs composite showed the maximum SC of 421 F g<jats:sup>-1</jats:sup>, which was four times higher than the pure MnO<jats:sub>2</jats:sub>, at the current of 1 A g<jats:sup>-1</jats:sup>. This MnO<jats:sub>2</jats:sub>/SWNTs composite is a promising active material for high energy density and high power density supercapacitors.</jats:p> |
| doi_str_mv | 10.4028/www.scientific.net/kem.744.354 |
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| imprint | Trans Tech Publications, Ltd., 2017 |
| imprint_str_mv | Trans Tech Publications, Ltd., 2017 |
| institution | DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1 |
| issn | 1662-9795 |
| issn_str_mv | 1662-9795 |
| language | Undetermined |
| last_indexed | 2024-03-01T11:13:05.052Z |
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| mega_collection | Trans Tech Publications, Ltd. (CrossRef) |
| physical | 354-358 |
| publishDate | 2017 |
| publishDateSort | 2017 |
| publisher | Trans Tech Publications, Ltd. |
| record_format | ai |
| recordtype | ai |
| series | Key Engineering Materials |
| source_id | 49 |
| spelling | Xiao, Fang 1662-9795 Trans Tech Publications, Ltd. Mechanical Engineering Mechanics of Materials General Materials Science http://dx.doi.org/10.4028/www.scientific.net/kem.744.354 <jats:p>The manganese oxide/single-walls carbon nanotubes (SWNTs) composite films were co-deposited by the potentiodynamic method via octylphenyl polyoxyethylene ether (OP-10) mediation the growth rate of electrolysis MnO<jats:sub>2</jats:sub>. Octylphenyl polyoxyethylene ether (OP-10) was used to obtain SWNTs suspensions through noncovalent functionalizition. At the fixed OP-10 concentration of 0.075 mol L<jats:sup>-1</jats:sup>, specific capacitance (SC) of the composites raised with SWNTs concentration increased and reached a maximum at SWNT concentration of 0.75 g L<jats:sup>-1</jats:sup> due to porous microstructure and good electronic conductivity of SWNTs. Moreover, appropriated OP-10 concentration benefited to not only stable SWNTs suspension but also modified MnO<jats:sub>2</jats:sub> electrodeposited process for the uniform distribution of nanotubes in the composites. The microstructure and electrochemical characteristics of MnO<jats:sub>2</jats:sub>/SWNTs composite films were affected by the SWNTs content. The supercapacitor performances of MnO<jats:sub>2</jats:sub> as the ratio of SWNTs optimized were significantly improved for the electronic and ionic transport in this film should be more balance. According to electrochemical impedance spectrum, the optimal MnO<jats:sub>2</jats:sub>/SWNTs composite presented low charge-transfer resistance and good frequency response. The MnO<jats:sub>2</jats:sub>/SWNTs composite showed the maximum SC of 421 F g<jats:sup>-1</jats:sup>, which was four times higher than the pure MnO<jats:sub>2</jats:sub>, at the current of 1 A g<jats:sup>-1</jats:sup>. This MnO<jats:sub>2</jats:sub>/SWNTs composite is a promising active material for high energy density and high power density supercapacitors.</jats:p> Manganese Oxide/Single-Walls Carbon Nanotubes Electrodeposited Films for Supercapacitors Key Engineering Materials |
| spellingShingle | Xiao, Fang, Key Engineering Materials, Manganese Oxide/Single-Walls Carbon Nanotubes Electrodeposited Films for Supercapacitors, Mechanical Engineering, Mechanics of Materials, General Materials Science |
| title | Manganese Oxide/Single-Walls Carbon Nanotubes Electrodeposited Films for Supercapacitors |
| title_full | Manganese Oxide/Single-Walls Carbon Nanotubes Electrodeposited Films for Supercapacitors |
| title_fullStr | Manganese Oxide/Single-Walls Carbon Nanotubes Electrodeposited Films for Supercapacitors |
| title_full_unstemmed | Manganese Oxide/Single-Walls Carbon Nanotubes Electrodeposited Films for Supercapacitors |
| title_short | Manganese Oxide/Single-Walls Carbon Nanotubes Electrodeposited Films for Supercapacitors |
| title_sort | manganese oxide/single-walls carbon nanotubes electrodeposited films for supercapacitors |
| title_unstemmed | Manganese Oxide/Single-Walls Carbon Nanotubes Electrodeposited Films for Supercapacitors |
| topic | Mechanical Engineering, Mechanics of Materials, General Materials Science |
| url | http://dx.doi.org/10.4028/www.scientific.net/kem.744.354 |