Porous positive electrode material, preparation method thereof, positive electrode plate, secondary battery and electric equipment

The invention discloses a porous positive electrode material, a preparation method thereof, a positive electrode plate, a secondary battery and electric equipment, the porous positive electrode material comprises ferric sodium pyrophosphate, and the pore volume of the positive electrode material is 0.006 cm < 3 >/g to 0.060 cm < 3 >/g. The positive electrode material disclosed by the invention is iron sodium phosphate pyrophosphate secondary particles with relatively high pore volume, and the pore volume in the range is beneficial to keeping relatively high capacity exertion and relatively high compaction density of the iron sodium phosphate pyrophosphate, so that the energy density of the material is improved. 本发明公开了一种多孔的正极材料、其制备方法、正极极片、二次电池和涉电设备，其中，多孔的正极材料包括磷酸焦磷酸铁钠，所述正极材料的孔容为0.006cm3/g-0.060cm3/g。本发明正极材料为具有较高的孔容的磷酸焦磷酸铁钠二次颗粒，该范围的孔容有利于磷酸焦磷酸铁钠保持较高的容量发挥以及较高的压实密度，进而有利于提升材料的能量密度。