Effects of a dopant on the electrochemical properties of Li4Ti5O12 as a lithium-ion battery anode material

Improved electrochemical properties of Li4Ti5O12–Li0.33La0.56TiO3 composite anodes prepared by a solid-state synthesis

“…To solve those problems, many effective methods have been used. Traditional methods mainly focus on the cation doping [8][9][10][11][12][13][14][15], surface modification [16][17][18][19][20], and construction of nanostructured Li 4 Ti 5 O 12 with various morphologies [21][22][23][24][25][26]. Carbon-coating and nanocrystallization were considered as very efficient ways to improve the rate capability of Li 4 Ti 5 O 12 because of the increased electronic conductivity and shortened lithium ions transport paths.…”

TiN-coated micron-sized tantalum-doped Li4Ti5O12 with enhanced anodic performance for lithium-ion batteries

“…Additionally, ion bulk doping using Nb 5+ [17], Ta 5+ [18][19], Al 3+ [20][21], Ce 3+ [22], Ca 2+ [23], Sc 3+ [24], Gd 3+ [25] etc. has also been demonstrated as another effective strategy to improve the inner electronic conductivity of Li 4 …”

The effect of 0.025 Al-doped in Li4Ti5O12 material on the performance of half cell lithium ion battery

“…LTO has good characteristics such as high energy density, no significant volume change during the insertion and extraction of lithium ion, a flat operating voltage about 1.55 V, good chemical stability at elevated temperature and low cost [1]. The spinel Li 4 Ti 5 O 12 has attracted attention as a promising anode material for lithium ion batteries.…”

“…However Li 4 Ti 5 O 12 which is made without modification usually indicates poor performance. It generally has low electronic conductivity, poor reversibility and poor rate capability [1]. Modification of the composition and morphology of this anode material has been made to increase the rate of Li 4 Ti 5 O 12 performance.…”

“…Al atom was used as dopant to substitute small fraction of Li and Ti site on spinel structure [1]. Others researcher use high purify raw materials and wet chemical method like sol gel and hydrothermal to synthesize nano particle of Al-doped Li 4 Ti 5 O 12 [1][2][3].…”