A Soft Chemistry Approach to Coating of LiFePO₄ with a Conducting Polymer

Abstract

No carbon added: Using the intrinsic oxidative power of LiFePO4/FePO4 combined with the reinsertion of lithium ions, the formation of the conducting polymer poly(3,4-ethylenedioxythiophene) (PEDOT) at the solid surface is demonstrated (see picture). The resulting composites have very promising electrochemical properties in rechargeable lithium batteries; in particular, they allow for the elimination of carbon additives.