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Electrospun nanofibers: a prospective electro-active material for constructing high performance Li-ion batteries
Vanchiappan Aravindan1, Jayaraman Sundaramurthy, Palaniswamy Suresh Kumar
1Energy Research Institute @ NTU (ERI@N), Nanyang Technological University, Research Techno Plaza, 50 Nanyang Drive, Singapore 637553. aravind_van@yahoo.com.
Chemical Communications (Cambridge, England)
|December 11, 2014
Summary
Researchers developed a high energy density lithium-ion battery (LIB) using 1D nanofibers for electrodes and a novel separator-cum-electrolyte. This innovation promises long cycle life and high power for electric vehicles.
Area of Science:
- Materials Science
- Electrochemistry
- Nanotechnology
Background:
- Traditional lithium-ion batteries (LIBs) face limitations in energy density and power capability.
- 1D nanostructures offer potential for enhanced electrochemical performance but require integrated fabrication methods.
Purpose of the Study:
- To develop a high energy density LIB utilizing all 1D nanofibers for both anode and cathode.
- To integrate a separator-cum-electrolyte using electrospinning without compromising battery performance.
- To demonstrate the practical advantages of 1D nanostructures in LIBs.
Main Methods:
- Fabrication of a LIB with 1D nanofibers for anode and cathode.
- Preparation of a separator-cum-electrolyte via electrospinning using polyvinylidene fluoride-co-hexafluoropropylene.
- Evaluation of battery performance, including cycling profiles and power densities.
Main Results:
- The developed LIB demonstrated high energy density and excellent cycling stability.
- High power densities were achieved across various configurations.
- The integrated electrospun separator-cum-electrolyte effectively supported the performance of 1D nanostructures.
Conclusions:
- The all-1D nanofiber LIB with an integrated electrospun separator-cum-electrolyte offers a promising pathway for high-performance energy storage.
- This approach enables the practical utilization of 1D nanostructures for enhanced LIBs.
- The technology holds potential for powering zero-emission transportation and stimulating further research.
