The formula of a phosphate of a metal M, is MPO4. The formula

mpo4Thermal stabilities of delithiated olivine MPO 4 (M = Fe, Mn) cathodes investated using first principles calculations Shyue Ping Ong, Anubhav Jain, Geoffroy Hautier, Byoungwoo Kang,Olivine compounds, i.e. Li x MPO 4 (M = Fe, Mn), are now regarded as the most competitive positive-electrode materials for future applications of large-scale rechargeable