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|Title:||Vanadium Substitution of LiFePO4 Cathode Materials To Enhance the Capacity of LiFePO4-Based Lithium-Ion Batteries|
Lithium ion batteries
|Publisher:||American Chemical Society|
|Citation:||Chiang, C. Y., Su, H. C., Wu, P. J., Liu, H. J., Hu, C. W., Sharma, N., Peterson, V. K., Hsieh, H. W., Lin, Y. F., Chou, W. C., Lee, C. H., Lee, J. F., & Shew, B. Y. (2012). Vanadium Substitution of LiFePO4 Cathode Materials To Enhance the Capacity of LiFePO4-Based Lithium-Ion Batteries. Journal of Physical Chemistry C, 116(46), 24424-24429.|
|Abstract:||The mechanism of enhancing the capacity of the LiFePO(4) cathodes in lithium ion batteries by the addition of a small amount of vanadium, which locate on the lithium site and induce lithium vacancies in the crystal structure, is reported in this article. As a result, the capacity increases from 138 mAh/g found for pristine LiFePO(4) to 155 mAh/g for the V-added compound, and the conductivity increases from 4.75 x 10(-4) S/cm for the LiFePO(4) without V addition to 1.9 x 10(-2) S/cm for the V-added compound. A possible model to facilitate the enhancement of conductivity and capacity is described with evidence supported by X-ray powder diffraction, X-ray absorption spectroscopy, and neutron powder diffraction data. © 2012, American Chemical Society.|
|Gov't Doc #:||4763|
|Appears in Collections:||Journal Articles|
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