Self-Assembled Germanium/Carbon Nanostructures as High-Power Anode Material for the Lithium-Ion Battery

Self-Assembled Germanium/Carbon Nanostructures as High-Power Anode Material for the Lithium-Ion Battery

Simple and powerful: Two germanium/carbon nanostructures were synthesized through a facile self‐assembly method. Controlling the size of the precursor germanium nanoparticles produces cluster and non‐clustered nanostructures. The cluster‐Ge/C sample showed better capacity retention and an exceptiona...

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Veröffentlicht in:Angewandte Chemie International Edition 2012-06, Vol.51 (23), p.5657-5661
Hauptverfasser: Seng, Kuok Hau, Park, Mi-Hee, Guo, Zai Ping, Liu, Hua Kun, Cho, Jaephil
Format: Artikel
Sprache:eng
Schlagworte:
Anodes
Carbon
Clusters
electrochemistry
Germanium
Lithium
Lithium-ion batteries
Nanoparticles
Nanostructure
Pictures
Precursors
Self assembly
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Beschreibung
Zusammenfassung:Simple and powerful: Two germanium/carbon nanostructures were synthesized through a facile self‐assembly method. Controlling the size of the precursor germanium nanoparticles produces cluster and non‐clustered nanostructures. The cluster‐Ge/C sample showed better capacity retention and an exceptionally high rate performance (see picture; Q=charge capacity and V=voltage).
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201201488