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High Performance Composite Electrode for Energy Storage Application

Graduate #131
Discipline: Technology and Engineering
Subcategory: Materials Science

Samuel A. Danquah - Norfolk State University
Co-Author(s): Rout Sangeeta , Carvajal Christian, Sangram K. Pradhan, Messaoud J. Bahoura Norfolk State University- Center for Materials Research, Norfolk, VA



High performance Li2FeMn3O8 (LFMO) composite material for Li ion battery was synthesized using chemical combustion method. To fabricate a hybrid nanostructure electrode, Li2FeMn3O8 (LFMO) was coated on Tin Oxide (SnO2) nanorods (NR) which was grown using Vapor-Liquid-Solid (VLS) technique on a steel substrate. The structure and surface morphology of the hybrid nanostructure electrode was characterized through XRD and FESEM and found that the SnO2 nanorods were grown vertical with spine like structures with few microns in length. The electrochemical performance of the hybrid structure (SnO2)/ (LFMO) show outstanding performance with large charge storage capability. The battery shows improved capacitance with higher number of charging and discharging cycles, this excellent rate ability is as results of increasing the electrode conductivity through network of SnO2 nanorods which in effect improves the cycling stability of the device.
This work is supported by the NSF-CREST Grant number HRD 1547771 and NSF-Grant number HRD 1036496.

ERN-Abstract SamD.docx

Funder Acknowledgement(s): 1. NSF-CREST Grant number HRD 1547771 2. NSF-Grant number HRD 1036496

Faculty Advisor: Dr. Sangram K. Pradhan, mbahoura@nsu.edu

Role: The entire research ( synthesis including stoichiometry calculations , characterization and device fabrication) was done by me with the guidance of the research advisor. However, the recipe used for the Tin Oxide nanorods growth was acquired from the co-authors who happen to be members in the same research group.

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This material is based upon work supported by the National Science Foundation (NSF) under Grant No. DUE-1930047. Any opinions, findings, interpretations, conclusions or recommendations expressed in this material are those of its authors and do not represent the views of the AAAS Board of Directors, the Council of AAAS, AAAS’ membership or the National Science Foundation.

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