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Non-aqueous Electrode Processing and Construction of Lithium-ion Coin Cells
Published on: February 1, 2016
CuO nanostructures supported on Cu substrate as integrated electrodes for highly reversible lithium storage
Zhiyu Wang1, Fabing Su, Srinivasan Madhavi
1School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, 637457, Singapore.
Nanoscale
|February 3, 2011
Summary
Copper oxide (CuO) nanostructures were fabricated for lithium-ion batteries. These integrated electrodes show high capacity and excellent stability without additives.
Area of Science:
- Materials Science
- Electrochemistry
- Nanotechnology
Background:
- Developing advanced electrode materials is crucial for improving lithium-ion battery performance.
- Copper oxide nanostructures offer potential due to their electrochemical properties.
- Integrated electrodes simplify battery fabrication and enhance efficiency.
Purpose of the Study:
- To fabricate CuO nanostructures (nanorods, nanosheets) on a Cu substrate.
- To evaluate their direct use as integrated electrodes for lithium-ion batteries.
- To investigate the electrochemical performance and stability of these CuO electrodes.
Main Methods:
- Morphology-controlled synthesis of Cu(2)(OH)(3)NO(3) precursors.
- Thermal annealing of precursors to form CuO nanostructures.
- Electrochemical testing of CuO nanostructures as lithium-ion battery electrodes.
Main Results:
- Arrays of CuO nanorods and nanosheets were successfully fabricated on a Cu substrate.
- The CuO nanostructures served as effective integrated electrodes without binders or carbon black.
- High capacities (450-650 mAh g(-1)) and excellent cycling stability (nearly 100% retention after the second cycle) were achieved.
Conclusions:
- Rational fabrication of CuO nanostructures enables their direct application as integrated electrodes.
- These CuO nanostructures exhibit superior electrochemical performance for lithium-ion batteries.
- The developed integrated electrodes offer a promising pathway for advanced battery technologies.
