Synthesis of nanoporous three-dimensional current collector for high-performance lithium-ion batteries

We demonstrate the synthesis of Cu nanoporous three-dimensional current collector via a simple template-assisted method. Silicon, germanium and tin are selected as the anode materials to illustrate the enhanced performance. When tested as electrodes in lithium-ion batteries, they all show high reversible capacity with excellent rate performance. The three-dimensional nanostructure allows for good accommodation of the volume change and ensures a large surface area contact with active material and enhances the conductivity, which should be responsible for the enhanced performance.

[1]  Y. Sung,et al.  Conformal Sn Coated TiO2 Nanotube Arrays and Its Electrochemical Performance for High Rate Lithium-Ion Batteries , 2010 .

[2]  Byoungwoo Kang,et al.  Battery materials for ultrafast charging and discharging , 2009, Nature.

[3]  J. Xie,et al.  A nanonet-enabled Li ion battery cathode material with high power rate, high capacity, and long cycle lifetime. , 2012, ACS nano.

[4]  Jian Jiang,et al.  Direct growth of SnO2nanorod array electrodes for lithium-ion batteries , 2009 .

[5]  J. Tarascon,et al.  High rate capabilities Fe3O4-based Cu nano-architectured electrodes for lithium-ion battery applications , 2006, Nature materials.

[6]  Molecular motors: Watching how they work , 2011 .

[7]  Itaru Honma,et al.  Synthesis of single crystalline spinel LiMn2O4 nanowires for a lithium ion battery with high power density. , 2009, Nano letters.

[8]  Justin C. Lytle,et al.  Multifunctional 3D nanoarchitectures for energy storage and conversion. , 2009, Chemical Society reviews.

[9]  D. He,et al.  Nanostructured NiO electrode for high rate Li-ion batteries , 2011 .

[10]  Deren Yang,et al.  Cu–Ge core–shell nanowire arrays as three-dimensional electrodes for high-rate capability lithium-ion batteries , 2012 .

[11]  W. Stöber,et al.  Controlled growth of monodisperse silica spheres in the micron size range , 1968 .

[12]  Ying Shirley Meng,et al.  Electrodes with High Power and High Capacity for Rechargeable Lithium Batteries , 2006, Science.

[13]  Qingyu Li,et al.  Study of copper foam-supported Sn thin film as a high-capacity anode for lithium-ion batteries , 2009 .

[14]  M. Chi,et al.  Self-Aligned Cu-Si Core-Shell Nanowire Array as a High-Performance Anode for Li-Ion Batteries , 2012 .

[15]  Candace K. Chan,et al.  High-performance lithium battery anodes using silicon nanowires. , 2008, Nature nanotechnology.

[16]  D. He,et al.  NiO nanocone array electrode with high capacity and rate capability for Li-ion batteries , 2011 .

[17]  Deren Yang,et al.  Cu–Sn Core–Shell Nanowire Arrays as Three-Dimensional Electrodes for Lithium-Ion Batteries , 2011 .

[18]  Bing Tan,et al.  Mesoporous Co3O4 nanowire arrays for lithium ion batteries with high capacity and rate capability. , 2008, Nano letters.

[19]  Hongwei Wang,et al.  Enhancement in Photoelectrochemical Efficiency by Fabrication of @MWCNT Nanocomposites , 2011 .

[20]  Bruno Scrosati,et al.  High‐Rate, Long‐Life Ni–Sn Nanostructured Electrodes for Lithium‐Ion Batteries , 2007 .

[21]  J. Tarascon,et al.  Nano-sized transition-metal oxides as negative-electrode materials for lithium-ion batteries , 2000, Nature.