NANOSTRUCTURED TiO2 MATERIALS FOR NEW-GENERATION Li-ION BATTERIES - Electrochemical Nanofabrication: Principles and Applications - page 218

Table 5.2 layers used as electrodes

in experimental test cells at different kinetics (Reprinted with permission from Ortiz, G. F., Hanzu, I., Djenizian, T., Lavela, P.,
Tirado, J. L., and Knauth, P. (2009). Alternative Li-ion battery electrode based on self-organized titania nanotubes.

Values of the reversible and irreversible areal capacities and efficiency on cycling of the ntTiO

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Chem. Mater .

21 , pp. 63-67. Copyright 2009 American Chemical Society.)

Electrode Current

density
(μA cm -2)

First reversible
capacity
(1 st cycle)
(μAh cm -2)

Irreversible
capacity
(μAh cm -2)

Reversible
capacity in 50 th
cycle (μAh cm -2 )

Efficiency (%)

Amorphous ntTiO 5 77 60 55 71

2

20 50 55 43 86

100 44 36 33 75

Crystalline ntTiO
2

5 68 27 48 71

20 38 12 31 82

100 30 16 27 90

TiO
2

C.L. 5 9 8 6 67

Data corresponding to titania nanotube layers with 900 nm length fabricated onto Ti foils.

TiO C.L: titania compact layer that is obtained by anodization in fluorine-free electrolyte.

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