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Medientyp:
E-Artikel
Titel:
Superior Lithium Storage Performance using Sequentially Stacked MnO2/Reduced Graphene Oxide Composite Electrodes
Beteiligte:
Kim, Sue Jin;
Yun, Young Jun;
Kim, Ki Woong;
Chae, Changju;
Jeong, Sunho;
Kang, Yongku;
Choi, Si‐Young;
Lee, Sun Sook;
Choi, Sungho
Erschienen:
Wiley, 2015
Erschienen in:
ChemSusChem, 8 (2015) 8, Seite 1484-1491
Sprache:
Englisch
DOI:
10.1002/cssc.201500200
ISSN:
1864-564X;
1864-5631
Entstehung:
Anmerkungen:
Beschreibung:
AbstractHybrid nanostructures based on graphene and metal oxides hold great potential for use in high‐performance electrode materials for next‐generation lithium‐ion batteries. Herein, a new strategy to fabricate sequentially stacked α‐MnO2/reduced graphene oxide composites driven by surface‐charge‐induced mutual electrostatic interactions is proposed. The resultant composite anode exhibits an excellent reversible charge/discharge capacity as high as 1100 mA h g−1 without any traceable capacity fading, even after 100 cycles, which leads to a high rate capability electrode performance for lithium ion batteries. Thus, the proposed synthetic procedures guarantee a synergistic effect of multidimensional nanoscale media between one (metal oxide nanowire) and two dimensions (graphene sheet) for superior energy‐storage electrodes.