Monolithic electrochromic devices using lithium ion conducting perovskite-type oxides

V. Thangadurai; W. Weppner

doi:10.1007/BF02375985

Monolithic electrochromic devices using lithium ion conducting perovskite-type oxides

V. Thangadurai^*, W. Weppner

^*Corresponding author for this work

School of Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

The electrical conductivities of several perovskite-type lithium ion conductors in the Li-Sr-Nb-Ta-Ti-O system have been investigated. The Li ⁺-ion conductivities of the Ta-compounds were found to be higher than those of the corresponding Nb-compounds, i.e., Li_0.3 Sr _0.6 Ta_0..5 Ti_0..5 O₃ exhibits a bulk ionic conductivity of 1.7 × 10^-4 S/cm at 30 °C, while Li₀ ₃ Sr₀ ₆ Nb_0.5 Ti ₀ ₅O₃ shows a value of 5.4 × 10 ^̃6 S/cm at the same temperature. Substitution of Fe in Li ₀ ₃Sr₀ ₆Ta₀ ₅Ti₀ ₅O₃ decreases the Li ⁺-ion conductivity slightly. The operation of a monolithic (single element) electrochromic devices was demonstrated using perovskite-type Li _0.3Sr_0.6B_0.5Ti_0.5O₃ (B = Nb, Ta). The tantalum compound exhibited the largest coloration at the positive electrode side by the application of a voltage of 1.5 V and was bleached under short-circuit conditions at 350 °C.

Original language	English
Pages (from-to)	308-314
Number of pages	7
Journal	Ionics
Volume	9
Issue number	3-4
DOIs	https://doi.org/10.1007/BF02375985
Publication status	Published - May 2003

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@article{2571dcb60d894b4cbaccca6fec60d415,

title = "Monolithic electrochromic devices using lithium ion conducting perovskite-type oxides",

abstract = "The electrical conductivities of several perovskite-type lithium ion conductors in the Li-Sr-Nb-Ta-Ti-O system have been investigated. The Li +-ion conductivities of the Ta-compounds were found to be higher than those of the corresponding Nb-compounds, i.e., Li0.3 Sr 0.6 Ta0..5 Ti0..5 O3 exhibits a bulk ionic conductivity of 1.7 × 10-4 S/cm at 30 °C, while Li0 3 Sr0 6 Nb0.5 Ti 0 5O3 shows a value of 5.4 × 10{\~ }6 S/cm at the same temperature. Substitution of Fe in Li 0 3Sr0 6Ta0 5Ti0 5O3 decreases the Li +-ion conductivity slightly. The operation of a monolithic (single element) electrochromic devices was demonstrated using perovskite-type Li 0.3Sr0.6B0.5Ti0.5O3 (B = Nb, Ta). The tantalum compound exhibited the largest coloration at the positive electrode side by the application of a voltage of 1.5 V and was bleached under short-circuit conditions at 350 °C.",

author = "V. Thangadurai and W. Weppner",

year = "2003",

month = may,

doi = "10.1007/BF02375985",

language = "English",

volume = "9",

pages = "308--314",

journal = "Ionics",

issn = "0947-7047",

publisher = "Springer Science and Business Media",

number = "3-4",

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TY - JOUR

T1 - Monolithic electrochromic devices using lithium ion conducting perovskite-type oxides

AU - Thangadurai, V.

AU - Weppner, W.

PY - 2003/5

Y1 - 2003/5

N2 - The electrical conductivities of several perovskite-type lithium ion conductors in the Li-Sr-Nb-Ta-Ti-O system have been investigated. The Li +-ion conductivities of the Ta-compounds were found to be higher than those of the corresponding Nb-compounds, i.e., Li0.3 Sr 0.6 Ta0..5 Ti0..5 O3 exhibits a bulk ionic conductivity of 1.7 × 10-4 S/cm at 30 °C, while Li0 3 Sr0 6 Nb0.5 Ti 0 5O3 shows a value of 5.4 × 10 ̃6 S/cm at the same temperature. Substitution of Fe in Li 0 3Sr0 6Ta0 5Ti0 5O3 decreases the Li +-ion conductivity slightly. The operation of a monolithic (single element) electrochromic devices was demonstrated using perovskite-type Li 0.3Sr0.6B0.5Ti0.5O3 (B = Nb, Ta). The tantalum compound exhibited the largest coloration at the positive electrode side by the application of a voltage of 1.5 V and was bleached under short-circuit conditions at 350 °C.

AB - The electrical conductivities of several perovskite-type lithium ion conductors in the Li-Sr-Nb-Ta-Ti-O system have been investigated. The Li +-ion conductivities of the Ta-compounds were found to be higher than those of the corresponding Nb-compounds, i.e., Li0.3 Sr 0.6 Ta0..5 Ti0..5 O3 exhibits a bulk ionic conductivity of 1.7 × 10-4 S/cm at 30 °C, while Li0 3 Sr0 6 Nb0.5 Ti 0 5O3 shows a value of 5.4 × 10 ̃6 S/cm at the same temperature. Substitution of Fe in Li 0 3Sr0 6Ta0 5Ti0 5O3 decreases the Li +-ion conductivity slightly. The operation of a monolithic (single element) electrochromic devices was demonstrated using perovskite-type Li 0.3Sr0.6B0.5Ti0.5O3 (B = Nb, Ta). The tantalum compound exhibited the largest coloration at the positive electrode side by the application of a voltage of 1.5 V and was bleached under short-circuit conditions at 350 °C.

U2 - 10.1007/BF02375985

DO - 10.1007/BF02375985

M3 - Article

AN - SCOPUS:33746871618

SN - 0947-7047

VL - 9

SP - 308

EP - 314

JO - Ionics

JF - Ionics

IS - 3-4

ER -

Monolithic electrochromic devices using lithium ion conducting perovskite-type oxides

Abstract

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