WFRF:(Niklasson Gunnar A.)
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- Niklasson, Gunnar A.,Professor,1953-Uppsala universitet,Fasta tillståndets fysik (author)
Durability of electrochromic films : Aging kinetics and rejuvenation
- Article/chapterEnglish2017
Publisher, publication year, extent ...
- 2017-08-04
- Electrochemical Society,2017
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:uu-332945
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-332945URI
- https://doi.org/10.1149/07711.1659ecstDOI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- A major challenge for energy-efficient smart window technology is to ensure the durability of electrochromic (EC) devices over aservice life of more than 20 years. In this paper, we report recent results from a fundamental study of the aging kinetics of EC tungsten oxide and nickel oxide thin films and describe electrochemical rejuvenation mechanisms that are able to restore the films to their initial state. The aging kinetics displays an approximate power-law decrease of the charge capacity as a function of cycle number. This decay of charge capacity can be understood in terms of models built on so-called dispersive chemical kinetics. Tungsten oxide and nickel oxide EC films can be rejuvenated by applying a high electrochemical potential or a small constant current. Trapped ions in the bulk or at the surface of the films can be released by these procedures.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Materialteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Materials Engineering hsv//eng
- Engineering Science with specialization in Solid State Physics
- Teknisk fysik med inriktning mot fasta tillståndets fysik
Added entries (persons, corporate bodies, meetings, titles ...)
- Wen, Rui-TaoUppsala universitet,Fasta tillståndets fysik,Materials Processing Center, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA(Swepub:uu)ruiwe356 (author)
- Qu, Hui-YingUppsala universitet,Fasta tillståndets fysik,MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, China(Swepub:uu)huiqu570 (author)
- Arvizu, Miguel AUppsala universitet,Fasta tillståndets fysik(Swepub:uu)arvco180 (author)
- Granqvist, Claes Göran,1946-Uppsala universitet,Fasta tillståndets fysik(Swepub:uu)cgr25299 (author)
- Uppsala universitetFasta tillståndets fysik (creator_code:org_t)
Related titles
- In:ECS Transactions: Electrochemical Society, s. 1659-1669
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