MnO nanoparticlemesoporous carbon composites grown on conducting substrates featuring high-performance lithium-ion battery, supercapacitor and sensor
We demonstrate a facile, two-step coating/calcination approach to grow a uniform MnO nanoparticlemesoporous carbon (MnO@C) composite on conducting substrates, by direct coating of the Mn-oleate precursor solution without any conducting/binding reagents, and subsequent thermal calcination. The monodispersed, sub-10 nm MnO nanoparticles offer high theoretical energy storage capacities and catalytic properties, and the mesoporous carbon coating allows for enhanced electrolyte transport and charge transfer towards/from MnO surface. In addition, the direct growth and attachment of the MnO@C nanocomposite in the supporting conductive substrates provide much reduced contact resistances and efficient charge transfer. These excellent features allow the use of MnO@C nanocomposites as lithium-ion battery and supercapacitor electrodes for energy storage, with high reversible capacity at large current densities, as well as excellent cycling and mechanical stabilities. Moreover, this MnO@C nanocomposite has also demonstrated a high sensitivity for H2O2 detection, and also exhibited attractive potential for the tumor cell analysis.
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2013 |
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Erschienen: |
2013 |
Enthalten in: |
Zur Gesamtaufnahme - volume:3 |
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Enthalten in: |
Scientific reports - 3(2013) vom: 18., Seite 2693 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Wang, Tianyu [VerfasserIn] |
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Links: |
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Themen: |
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Anmerkungen: |
Date Completed 23.06.2014 Date Revised 21.10.2021 published: Print Citation Status PubMed-not-MEDLINE |
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doi: |
10.1038/srep02693 |
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funding: |
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Förderinstitution / Projekttitel: |
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PPN (Katalog-ID): |
NLM23096284X |
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520 | |a We demonstrate a facile, two-step coating/calcination approach to grow a uniform MnO nanoparticlemesoporous carbon (MnO@C) composite on conducting substrates, by direct coating of the Mn-oleate precursor solution without any conducting/binding reagents, and subsequent thermal calcination. The monodispersed, sub-10 nm MnO nanoparticles offer high theoretical energy storage capacities and catalytic properties, and the mesoporous carbon coating allows for enhanced electrolyte transport and charge transfer towards/from MnO surface. In addition, the direct growth and attachment of the MnO@C nanocomposite in the supporting conductive substrates provide much reduced contact resistances and efficient charge transfer. These excellent features allow the use of MnO@C nanocomposites as lithium-ion battery and supercapacitor electrodes for energy storage, with high reversible capacity at large current densities, as well as excellent cycling and mechanical stabilities. Moreover, this MnO@C nanocomposite has also demonstrated a high sensitivity for H2O2 detection, and also exhibited attractive potential for the tumor cell analysis | ||
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700 | 1 | |a Tang, Jing |e verfasserin |4 aut | |
700 | 1 | |a Zheng, Gengfeng |e verfasserin |4 aut | |
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