Journal
JOURNAL OF POWER SOURCES
Volume 119, Issue -, Pages 621-625Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0378-7753(03)00308-2
Keywords
anode properties; MBO3; calcite; FeBO3; VBO3
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V(III) was substituted in place of Fe(III) in the calcite FeBO3 matrix to reduce the charge/discharge voltage and increase the theoretical capacity. The mean charge/discharge voltage of the calcite VBO3 was 1 V lower than that of FeBO3, and the reversible capacity was 420 mAh/g. To investigate the characteristics of borate anodes, the X-ray Rietveld, XPS and XAFS profiles were measured. To further improve the anode performance of VBO3, a carbon coating using a naphthalene-based isotropic pitch with a low-temperature softening point was applied. (C) 2003 Elsevier Science B.V. All rights reserved.
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