Effect of addition of a conducting polymer on the properties of the LiFePO4-based cathode material for lithium-ion batteries

Research output

15 Citations (Scopus)

Abstract

© 2015 Pleiades Publishing, Ltd.Effect of addition of poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) conducting polymer on the structure and properties of a cathode material based on lithium iron phosphate was studied. The X-ray diffraction method was used to examine the structure of lithium iron phosphate in a freshly prepared C-LiFePO4/C/PEDOTS:PSS composite material and in that subjected to a prolonged cycling. The chargedischarge characteristics of the cathode material of the conventional composition, which contains carbon black and poly(vinylidene fluoride) binder, and a new composition with addition of PEDOT:PSS were compared. The specific capacity of C-LiFePO4/C/PEDOT:PSS was 165 mA h g-1 (at 0.2C current), which substantially exceeds the specific capacity of the LiFePO4 material in the conventional composition.
Original languageEnglish
Pages (from-to)1146-1149
Number of pages4
JournalRussian Journal of Applied Chemistry
Volume88
Issue number7
DOIs
Publication statusPublished - 2015

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