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Bewlay, S.L.; Konstantinov, K.; Wang, G.X.; Dou, S.X.; Liu, H.K.
Materials letters, 4/2004, Letnik: 58, Številka: 11Journal Article
We present order-of-magnitude conductivity data for 'carbon-included' lithium iron phosphate (LFP) powders lightly pelletised as used as cathodes in Li-ion batteries. The powders were synthesised by a spray pyrolysis method, with a short ameliorating sinter to optimise phase purity. Carbon was introduced into the materials by adding stoichiometric amounts of sucrose into the starting ingredients. We obtained X-ray diffraction patterns and electrical conductivity estimates for carbon contents of between 0 and 31 wt.%. The resultant conductivities spanned almost seven orders of magnitude.
