Electrochemical reduction of an Ag2VO2PO4particle: dramatic increase of local electronic conductivity

Author:

Kirshenbaum Kevin C.123,Bock David C.4563,Brady Alexander B.7563,Marschilok Amy C.45637,Takeuchi Kenneth J.45637,Takeuchi Esther S.12345

Affiliation:

1. Brookhaven National Laboratory

2. Upton

3. USA

4. Department of Chemistry

5. Stony Brook University

6. Stony Brook

7. Department of Materials Science and Engineering

Abstract

This work demonstrates that at the initial stages of reduction, individual particles of Ag2VO2PO4show a drastic change in local resistance coincident with formation of Ag0, indicating that decreased battery resistance is related to both intra- and interparticle conductivity.

Funder

Basic Energy Sciences

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

Reference33 articles.

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2. K. J. Takeuchi , A. C.Marschilok and E. S.Takeuchi, in Vanadium: Chemistry, Biochemistry, Pharmacology and Practical Applications, ed. A. S. Tracey, G. R. Willsky and E. S. Takeuchi, Taylor and Francis, New York, 2007, ch. 13

3. Silver vanadium oxides and related battery applications

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5. Advanced lithium batteries for implantable medical devices: mechanistic study of SVO cathode synthesis

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