Synthesis and Thermal Behavior of Crystalline Hydrated Iron(III) Phosphates of Interest as Positive Electrodes in Li Batteries, Reale, P., Scrosati B., Delacourt C., Wurm C., Morcrette M., and Masquelier C. , Chemistry of Materials, Volume 15, Number 26, p.5051-5058, (2003)

Hydrated iron phosphates FePO4·nH2O and Fe4(P2O7)3·n H2O as 3 V positive electrodes in rechargeable lithium batteries, Masquelier, C., Reale P., Wurm C., Morcrette M., Dupont L., and Larcher D. , Journal of the Electrochemical Society, Volume 149, Number 8, p.A1037-A1044, (2002)