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,Thermal stabilities of delithiated olivine MPO 4 (M = Fe, Mn) cathodes investated using first principles calculations Shyue Ping Ong, Anubhav Jain, Geoffroy Hautier, Byoungwoo Kang,