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MnO−carbon-reduced graphene oxide composite with superior anode Li-ion storage performances

Manganous oxide (MnO)-based composites have motivated extensive researches as an anode electrode for lithium-ion storage due to the high theoretical capacity. Whereas, low cycling stability is the pivotal problem that retards the application of materials. Herein, a hydrothermal-annealing strategy is... Full description

Journal Title: Journal of Nanoparticle Research 2019, Vol.21(6), pp.1-10
Main Author: Liu, Yanyan
Other Authors: Jiang, Jianchun , Sun, Kang , He, Mengmeng , Min, Zhaorui , Liu, Yu , Hua, Jianli , Shang, Yuan , Li, Baojun
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 1388-0764 ; E-ISSN: 1572-896X ; DOI: 10.1007/s11051-019-4542-1
Link: http://dx.doi.org/10.1007/s11051-019-4542-1
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recordid: springer_jour10.1007/s11051-019-4542-1
title: MnO−carbon-reduced graphene oxide composite with superior anode Li-ion storage performances
format: Article
creator:
  • Liu, Yanyan
  • Jiang, Jianchun
  • Sun, Kang
  • He, Mengmeng
  • Min, Zhaorui
  • Liu, Yu
  • Hua, Jianli
  • Shang, Yuan
  • Li, Baojun
subjects:
  • MnO nanoparticles
  • Carbonization
  • Core-shell structure
  • Composite
  • Lithium-ion storage
  • Batteries
ispartof: Journal of Nanoparticle Research, 2019, Vol.21(6), pp.1-10
description: Manganous oxide (MnO)-based composites have motivated extensive researches as an anode electrode for lithium-ion storage due to the high theoretical capacity. Whereas, low cycling stability is the pivotal problem that retards the application of materials. Herein, a hydrothermal-annealing strategy is exploited to obtain the composite materials. The MnO nanoparticles (5–20 nm) wrapped by carbon shells to form core-shell structure are supported on the surface of reduced graphene oxide (rGO) sheets. The rGO flakes in electrode materials possess higher electrical conductivity, and improve the electro-conductibility and structural stability during charging-discharging process. Used as anode for lithium-ion batteries, the composite exhibits large reversible specific capacity (866 mA h g −1 at 0.2 C after 230 cycles) as well as a good cyclicity with a coulombic efficiency of 96%. The hydrothermal-annealing synthetic pathway opens up possibilities for designing and preparing novel electrode materials of lithium or other metallic ion batteries. Graphical abstract Manganous oxide (MnO)-based composites have motivated extensive researches as an anode electrode for lithium-ion storage due to the high theoretical capacity. Whereas, low cycling stability is the pivotal problem that retards the application of materials. Herein, a hydrothermal-annealing strategy is exploited to obtain the composite materials. The MnO nanoparticles (5–20 nm) wrapped by carbon shells to form core-shell structure are supported on the surface of reduced graphene oxide (rGO) sheets. The rGO flakes in electrode materials possess higher electrical conductivity, and improve the electro-conductibility and structural stability during charging-discharging process. Used as anode for lithium-ion batteries, the composite exhibits large reversible specific capacity (866 mA h g −1 at 0.2 C after 230 cycles) as well as a good cyclicity with a coulombic efficiency of 96%. The hydrothermal-annealing synthetic pathway opens up possibilities for designing and preparing novel electrode materials of lithium or other metallic ion batteries.
language: eng
source:
identifier: ISSN: 1388-0764 ; E-ISSN: 1572-896X ; DOI: 10.1007/s11051-019-4542-1
fulltext: fulltext
issn:
  • 1572-896X
  • 1572896X
  • 1388-0764
  • 13880764
url: Link


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titleMnO−carbon-reduced graphene oxide composite with superior anode Li-ion storage performances
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subjectMnO nanoparticles ; Carbonization ; Core-shell structure ; Composite ; Lithium-ion storage ; Batteries
descriptionManganous oxide (MnO)-based composites have motivated extensive researches as an anode electrode for lithium-ion storage due to the high theoretical capacity. Whereas, low cycling stability is the pivotal problem that retards the application of materials. Herein, a hydrothermal-annealing strategy is exploited to obtain the composite materials. The MnO nanoparticles (5–20 nm) wrapped by carbon shells to form core-shell structure are supported on the surface of reduced graphene oxide (rGO) sheets. The rGO flakes in electrode materials possess higher electrical conductivity, and improve the electro-conductibility and structural stability during charging-discharging process. Used as anode for lithium-ion batteries, the composite exhibits large reversible specific capacity (866 mA h g −1 at 0.2 C after 230 cycles) as well as a good cyclicity with a coulombic efficiency of 96%. The hydrothermal-annealing synthetic pathway opens up possibilities for designing and preparing novel electrode materials of lithium or other metallic ion batteries. Graphical abstract Manganous oxide (MnO)-based composites have motivated extensive researches as an anode electrode for lithium-ion storage due to the high theoretical capacity. Whereas, low cycling stability is the pivotal problem that retards the application of materials. Herein, a hydrothermal-annealing strategy is exploited to obtain the composite materials. The MnO nanoparticles (5–20 nm) wrapped by carbon shells to form core-shell structure are supported on the surface of reduced graphene oxide (rGO) sheets. The rGO flakes in electrode materials possess higher electrical conductivity, and improve the electro-conductibility and structural stability during charging-discharging process. Used as anode for lithium-ion batteries, the composite exhibits large reversible specific capacity (866 mA h g −1 at 0.2 C after 230 cycles) as well as a good cyclicity with a coulombic efficiency of 96%. The hydrothermal-annealing synthetic pathway opens up possibilities for designing and preparing novel electrode materials of lithium or other metallic ion batteries.
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titleMnO−carbon-reduced graphene oxide composite with superior anode Li-ion storage performances
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0Manganous oxide (MnO)-based composites have motivated extensive researches as an anode electrode for lithium-ion storage due to the high theoretical capacity. Whereas, low cycling stability is the pivotal problem that retards the application of materials. Herein, a hydrothermal-annealing strategy is exploited to obtain the composite materials. The MnO nanoparticles (5–20 nm) wrapped by carbon shells to form core-shell structure are supported on the surface of reduced graphene oxide (rGO) sheets. The rGO flakes in electrode materials possess higher electrical conductivity, and improve the electro-conductibility and structural stability during charging-discharging process. Used as anode for lithium-ion batteries, the composite exhibits large reversible specific capacity (866 mA h g −1 at 0.2 C after 230 cycles) as well as a good cyclicity with a coulombic efficiency of 96%. The hydrothermal-annealing synthetic pathway opens up possibilities for designing and preparing novel electrode materials of lithium or other metallic ion batteries.
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abstractManganous oxide (MnO)-based composites have motivated extensive researches as an anode electrode for lithium-ion storage due to the high theoretical capacity. Whereas, low cycling stability is the pivotal problem that retards the application of materials. Herein, a hydrothermal-annealing strategy is exploited to obtain the composite materials. The MnO nanoparticles (5–20 nm) wrapped by carbon shells to form core-shell structure are supported on the surface of reduced graphene oxide (rGO) sheets. The rGO flakes in electrode materials possess higher electrical conductivity, and improve the electro-conductibility and structural stability during charging-discharging process. Used as anode for lithium-ion batteries, the composite exhibits large reversible specific capacity (866 mA h g −1 at 0.2 C after 230 cycles) as well as a good cyclicity with a coulombic efficiency of 96%. The hydrothermal-annealing synthetic pathway opens up possibilities for designing and preparing novel electrode materials of lithium or other metallic ion batteries. Graphical abstract Manganous oxide (MnO)-based composites have motivated extensive researches as an anode electrode for lithium-ion storage due to the high theoretical capacity. Whereas, low cycling stability is the pivotal problem that retards the application of materials. Herein, a hydrothermal-annealing strategy is exploited to obtain the composite materials. The MnO nanoparticles (5–20 nm) wrapped by carbon shells to form core-shell structure are supported on the surface of reduced graphene oxide (rGO) sheets. The rGO flakes in electrode materials possess higher electrical conductivity, and improve the electro-conductibility and structural stability during charging-discharging process. Used as anode for lithium-ion batteries, the composite exhibits large reversible specific capacity (866 mA h g −1 at 0.2 C after 230 cycles) as well as a good cyclicity with a coulombic efficiency of 96%. The hydrothermal-annealing synthetic pathway opens up possibilities for designing and preparing novel electrode materials of lithium or other metallic ion batteries.
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