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Electrochromic Properties of Nickel Oxide Electrodes

Published online by Cambridge University Press:  28 February 2011

R. Pileggi ,
B. Scrosati  and
S. Passerini
R. Pileggi
Affiliation:
Dipartimento di Chimica, Università di Roma'La Sapienza' Rome, Italy ENIRICERCHE, Monterotondo, Italy
B. Scrosati
Affiliation:
Dipartimento di Chimica, Università di Roma'La Sapienza' Rome, Italy ENIRICERCHE, Monterotondo, Italy
S. Passerini
Affiliation:
Dipartimento di Chimica, Università di Roma'La Sapienza' Rome, Italy ENIRICERCHE, Monterotondo, Italy
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Abstract

Nickel oxide sputtered electrodes can undergo a reversible lithium intercalationdeintercalation process which is accompanied by a net electrochromic effect. The characteristics of this type of electrode and the mechanism of the related electrochromic process are discussed on the basis of results obtained by cyclic voltammetry and optical transmittance. The results show that nickel oxide is electrochromically activated by insertion of lithium in the oxide structure. The lithium intercalation process may be promoted by cyclic voltammetry or, more extensively, by polarizing cathodically the nickel oxide electrode in a non-aqueous electrolyte containing a lithium salt. Activated nickel oxide electrodes are of considerable interest for the realization of new types of efficient solid state electrochromic windows..

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 210: Symposium L – Solid State Ionics II , 1990 , 57
Copyright
Copyright © Materials Research Society 1991

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