MATEC Web Conf.
Volume 88, 20172016 International Conference on Biomaterials, Nanomaterials and Composite Materials (CBNCM 2016)
|Number of page(s)||6|
|Section||Chapter 1: Processing and Manufacturing Technologies of Materials|
|Published online||09 December 2016|
Hydrothermal Synthesis of Al/Cr-doped V6O13 as Cathode Material for Lithium-ion Battery
College of Material Science and Engineering, Guilin University of Technology, 541004 Guilin, China
a Corresponding author: firstname.lastname@example.org
Pure V6O13 and Al/Cr-doped V6O13 were synthesized via a hydrothermal route using C2H2O4·2H2O, V2O5, Al(NO3)3·9H2O and Cr(NO3)3·9H2O as raw materials. The products were characterized by XRD, SEM, EDS. Doping proven to be an effective method to improve the samples discharge specific capacity and cycle performance. Doping samples electrochemical performance were better than pure V6O13, the initial discharge specific capacity of sample 0.02 and 0.06 were 311mAh/g and 337mAh/g larger than pure V6O13 sample (241 mAh/g). The capacity retention of samples 0.00, 0.02, 0.06 was 32.0%, 44.69%, 28.78% after 100 cycles, respectively. The increased electrochemical performance originated from the enhanced of electrical conductivity and adhered together by stacking region in an regular arrangement with every unit.
© The Authors, published by EDP Sciences, 2017
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