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Title: Investigation of Conductivity and Ionic Transport of VO 2(M) and VO 2(R) via Electrochemical Study

Abstract

Vanadium dioxides exist as a variety of polymorphs, each with differing structural and electrochemical capabilities. The monoclinic to rutile transition is an interesting system for study as the transition temperature is easily accessible at moderate temperature and corresponds to an increase in electrical conductivity by two orders of magnitude. The transition from monoclinic to rutile is characterized structurally herein using synchrotron-based x-ray diffraction and related to lithium ion electrochemistry using electrochemical impedance spectroscopy and intermittent pulsatile galvanostatic discharge tests. The experimental results indicate a decrease in ohmic resistance for lithium-based cells tested under higher temperatures. Complementary density functional theory calculations described the experimentally measured intercalation voltages and identified a possible Li-induced Li xVO 2(M) to Li xVO 2(R) phase transition during the discharging process rationalizing the favorable impact on the function of a lithium based electrochemical cell. Here, to our knowledge, this is the first observation of the metal—insulator transition of VO 2 in a full electrochemical cell.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [3]; ORCiD logo [1]
  1. Stony Brook Univ., Stony Brook, NY (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Stony Brook Univ., Stony Brook, NY (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1487254
Report Number(s):
BNL-209756-2018-JAAM
Journal ID: ISSN 0897-4756
Grant/Contract Number:  
SC0012704
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Chemistry of Materials
Additional Journal Information:
Journal Volume: 30; Journal Issue: 21; Journal ID: ISSN 0897-4756
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE

Citation Formats

Housel, Lisa M., Quilty, Calvin D., Abraham, Alyson, Tang, Christopher R., McCarthy, Alison H., Renderos, Genesis D., Liu, Ping, Takeuchi, Esther S., Marschilok, Amy C., and Takeuchi, Kenneth J.. Investigation of Conductivity and Ionic Transport of VO2(M) and VO2(R) via Electrochemical Study. United States: N. p., 2018. Web. doi:10.1021/acs.chemmater.8b02665.
Housel, Lisa M., Quilty, Calvin D., Abraham, Alyson, Tang, Christopher R., McCarthy, Alison H., Renderos, Genesis D., Liu, Ping, Takeuchi, Esther S., Marschilok, Amy C., & Takeuchi, Kenneth J.. Investigation of Conductivity and Ionic Transport of VO2(M) and VO2(R) via Electrochemical Study. United States. doi:10.1021/acs.chemmater.8b02665.
Housel, Lisa M., Quilty, Calvin D., Abraham, Alyson, Tang, Christopher R., McCarthy, Alison H., Renderos, Genesis D., Liu, Ping, Takeuchi, Esther S., Marschilok, Amy C., and Takeuchi, Kenneth J.. Fri . "Investigation of Conductivity and Ionic Transport of VO2(M) and VO2(R) via Electrochemical Study". United States. doi:10.1021/acs.chemmater.8b02665.
@article{osti_1487254,
title = {Investigation of Conductivity and Ionic Transport of VO2(M) and VO2(R) via Electrochemical Study},
author = {Housel, Lisa M. and Quilty, Calvin D. and Abraham, Alyson and Tang, Christopher R. and McCarthy, Alison H. and Renderos, Genesis D. and Liu, Ping and Takeuchi, Esther S. and Marschilok, Amy C. and Takeuchi, Kenneth J.},
abstractNote = {Vanadium dioxides exist as a variety of polymorphs, each with differing structural and electrochemical capabilities. The monoclinic to rutile transition is an interesting system for study as the transition temperature is easily accessible at moderate temperature and corresponds to an increase in electrical conductivity by two orders of magnitude. The transition from monoclinic to rutile is characterized structurally herein using synchrotron-based x-ray diffraction and related to lithium ion electrochemistry using electrochemical impedance spectroscopy and intermittent pulsatile galvanostatic discharge tests. The experimental results indicate a decrease in ohmic resistance for lithium-based cells tested under higher temperatures. Complementary density functional theory calculations described the experimentally measured intercalation voltages and identified a possible Li-induced LixVO2(M) to LixVO2(R) phase transition during the discharging process rationalizing the favorable impact on the function of a lithium based electrochemical cell. Here, to our knowledge, this is the first observation of the metal—insulator transition of VO2 in a full electrochemical cell.},
doi = {10.1021/acs.chemmater.8b02665},
journal = {Chemistry of Materials},
issn = {0897-4756},
number = 21,
volume = 30,
place = {United States},
year = {2018},
month = {10}
}

Journal Article:
Free Publicly Available Full Text
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