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Lithium Insertion into Zirconia-Stabilized Mesoscopic TiO[sub 2] (Anatase)
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Lithium Insertion into Zirconia-Stabilized Mesoscopic TiO[sub 2] (Anatase)
Lithium Insertion into Zirconia-Stabilized Mesoscopic TiO[sub 2] (Anatase)
LK
Ladislav Kavan
Ladislav Kavan
Adel Attia
Adel Attia
FL
Frank Lenzmann
Frank Lenzmann
SE
Scott H. Elder
Scott H. Elder
MG
Michael Grätzel
Michael Grätzel
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1 January 2000
journal article
Published by
The Electrochemical Society
in
Journal of the Electrochemical Society
Vol. 147
(8)
,
2897-2902
https://doi.org/10.1149/1.1393623
Abstract
Lithium insertion into nanotextured anatase, either pure or stabilized with zirconia, was studied using cyclic voltammetry. The voltammograms were sensitive to various morphologies of the tested electrodes. Special attention was paid to the zirconia‐stabilized molecular sieve, PNNL-1 (Pacific Northwest National Laboratory), which was prepared by a surfactant‐templated route. The voltammetric peak‐to‐peak splitting decreases monotonically with the electrode specific surface area. The charge‐transfer rate constants decrease in the same series. PNNL-1 is more stable against prolonged heat‐treatment, as compared to ordinary nanocrystalline anatase. The latter exhibits thermal particle growth and, presumably, partial phase transformation to rutile. PNNL-1 presents a promising model electrode material for Li‐ion batteries, although its faradaic capacity is limited by the presence of a nonactive stabilizer (zirconia). © 2000 The Electrochemical Society. All rights reserved.
Keywords
CYCLIC VOLTAMMETRY
ANATASE
ZIRCONIA
TEMPLATED
BATTERIES
LITHIUM INSERTION
MORPHOLOGIES
ELECTRODE
PNNL
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Cited by 72 articles