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Microwave‐assisted synthesis and electrochemical evaluation of VO 2 (B) nanostructures
Author(s) -
Ashton Thomas E.,
Hevia Borrás David,
Iadecola Antonella,
Wiaderek Kamila M.,
Chupas Peter J.,
Chapman Karena W.,
Corr Serena A.
Publication year - 2015
Publication title -
acta crystallographica section b
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.604
H-Index - 33
ISSN - 2052-5206
DOI - 10.1107/s2052520615021289
Subject(s) - electrochemistry , vanadium , materials science , intercalation (chemistry) , chemical engineering , characterization (materials science) , phase (matter) , solvothermal synthesis , battery (electricity) , vanadium dioxide , electrode , nanotechnology , inorganic chemistry , chemistry , metallurgy , organic chemistry , power (physics) , physics , thin film , quantum mechanics , engineering
Understanding how intercalation materials change during electrochemical operation is paramount to optimizing their behaviour and function and in situ characterization methods allow us to observe these changes without sample destruction. Here we first report the improved intercalation properties of bronze phase vanadium dioxide VO 2 (B) prepared by a microwave‐assisted route which exhibits a larger electrochemical capacity (232 mAh g −1 ) compared with VO 2 (B) prepared by a solvothermal route (197 mAh g −1 ). These electrochemical differences have also been followed using in situ X‐ray absorption spectroscopy allowing us to follow oxidation state changes as they occur during battery operation.