Accession Number:

ADA621984

Title:

High Efficiency Flexible Battery Based on Graphene-carbon Nanotube Hybrid Structure

Descriptive Note:

Final rept. 1 Jul 2011-30 Nov 2014

Corporate Author:

FLORIDA INTERNATIONAL UNIV MIAMI

Personal Author(s):

Report Date:

2015-02-26

Pagination or Media Count:

10.0

Abstract:

The following achievements have been make during tb.is project A binder-free interface controlled CNTs based anode on Cu were synthesized-very high 1st cycle capacity- 2500 mAhg, at 1C - 900 mAhg and at 3C rates 767 mAhlg, and high capacity retention at 1C rate for 50 cycles. Demonstrated a large scale flexible graphene electrode Fabricated an array structure of 30 CNTs-graphene on transparent and flexible polyethylene terephthalate PET film through a simple lamination process- structural integrity, low contact resistance, excellent C-rate capability and high Coulombic efficiency of over 99. Multi-layered structure of GrSi-QDs anodes have been successfully fabricated - initial discharge capacity of2869 n1.Ahg at 0.5 C and 895 mAhg, 1 Cover 200 cycles. Graduated 2 Ph.D. students, 2 undergraduate students. Students received awards from intemational conferences Awarded Graduate Excellence in Materials Science GEMS Award American Ceramic.

Subject Categories:

  • Physical Chemistry
  • Electrochemical Energy Storage
  • Ceramics, Refractories and Glass
  • Atomic and Molecular Physics and Spectroscopy

Distribution Statement:

APPROVED FOR PUBLIC RELEASE