Li 2 TiO 3 /Ni foam composite as high-performance electrode for energy storage and conversion

Li TiO /Ni foam composites were prepared by a solid-state reaction process. They crystallized in the monoclinic Li TiO structure with 2/ space group. SEM images show that the Li TiO particles are monodispersed crystallites of average size 49 nm, infused into porous scaffold Ni foam. As an anode in l...

Full description

Saved in:
Bibliographic Details
Published inHeliyon Vol. 5; no. 7; p. e02060
Main Authors Lakshmi-Narayana, A, Dhananjaya, M, Guru-Prakash, N, Mauger, A, Julien, C M, Hussain, O M
Format Journal Article
LanguageEnglish
Published England 01.07.2019
Subjects
Online AccessGet full text

Cover

Loading…
More Information
Summary:Li TiO /Ni foam composites were prepared by a solid-state reaction process. They crystallized in the monoclinic Li TiO structure with 2/ space group. SEM images show that the Li TiO particles are monodispersed crystallites of average size 49 nm, infused into porous scaffold Ni foam. As an anode in lithium battery, the composite delivered a discharge capacity of 153 mAh g in an aqueous electrolyte and retained 95% of its initial capacity after 30 cycles. Moreover, the Li TiO /Ni foam composite as a negative electrode of pseudo-supercapacitor delivered a specific capacitance of 593 F g and retained 95% of its initial capacitance after 1000 cycles. The enhanced capacity of Li TiO /Ni composite is due to porous scaffold Ni foam, which provides high conductivity to the Li TiO particles and high effective surface area for redox reactions. The performance of the Li TiO /Ni foam as an electrode material for both lithium-ion batteries (LIBs) and supercapacitors (SCs) shows that this composite is promising for energy storage devices.
ISSN:2405-8440
2405-8440