TU Darmstadt / ULB / TUbiblio

Nanoscale spinel LiFeTiO4for intercalation pseudocapacitive Li+storage

Chen, Ruiyong and Knapp, Michael and Yavuz, Murat and Ren, Shuhua and Witte, Ralf and Heinzmann, Ralf and Hahn, Horst and Ehrenberg, Helmut and Indris, Sylvio (2015):
Nanoscale spinel LiFeTiO4for intercalation pseudocapacitive Li+storage.
In: Phys. Chem. Chem. Phys., 17 (2), pp. 1482-1488. The Royal Society of Chemistry, ISSN 1463-9076,
[Article]

Abstract

Intercalation pseudocapacitive Li+ storage has been recognized recently in metal oxide materials, wherein Li+ intercalation into the lattice is not solid-state diffusion-limited. This may bridge the performance gap between electrochemical capacitors and battery materials. To date, only a few materials with desired crystal structure and with well-defined nanoarchitectures have been found to exhibit such attractive behaviour. Herein, we report for the first time that nanoscale spinel LiFeTiO4 as a cathode material for Li-ion batteries exhibits intercalation pseudocapacitive Li+ storage behaviour. Nanoscale LiFeTiO4 nanoparticles with native carbon coating were synthesized by a sol-gel route. A fast and large-amount of Li+ storage (up to 1.6 Li+ per formula unit over cycling) in the nanoscale LiFeTiO4 host has been achieved without compromising kinetics.

Item Type: Article
Erschienen: 2015
Creators: Chen, Ruiyong and Knapp, Michael and Yavuz, Murat and Ren, Shuhua and Witte, Ralf and Heinzmann, Ralf and Hahn, Horst and Ehrenberg, Helmut and Indris, Sylvio
Title: Nanoscale spinel LiFeTiO4for intercalation pseudocapacitive Li+storage
Language: English
Abstract:

Intercalation pseudocapacitive Li+ storage has been recognized recently in metal oxide materials, wherein Li+ intercalation into the lattice is not solid-state diffusion-limited. This may bridge the performance gap between electrochemical capacitors and battery materials. To date, only a few materials with desired crystal structure and with well-defined nanoarchitectures have been found to exhibit such attractive behaviour. Herein, we report for the first time that nanoscale spinel LiFeTiO4 as a cathode material for Li-ion batteries exhibits intercalation pseudocapacitive Li+ storage behaviour. Nanoscale LiFeTiO4 nanoparticles with native carbon coating were synthesized by a sol-gel route. A fast and large-amount of Li+ storage (up to 1.6 Li+ per formula unit over cycling) in the nanoscale LiFeTiO4 host has been achieved without compromising kinetics.

Journal or Publication Title: Phys. Chem. Chem. Phys.
Journal volume: 17
Number: 2
Publisher: The Royal Society of Chemistry
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Joint Research Laboratory Nanomaterials
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 23 Feb 2016 12:16
Official URL: http://dx.doi.org/10.1039/c4cp04655b
Identification Number: doi:10.1039/c4cp04655b
Funders: This work was financially supported by the BMBF and the "Helmholtz Initiative for Mobile/Stationary Energy Storage Systems''.
Export:
Suche nach Titel in: TUfind oder in Google
Send an inquiry Send an inquiry

Options (only for editors)
Show editorial Details Show editorial Details