Acetylene black-embedded LiMn0.8Fe0.2PO4/C composite as cathode for lithium ion battery

► A novel LiMn0.8Fe0.2PO4/C composite was synthesized by a simple sol-gel method. ► Acetylene black as carbon source was embedded in LiMn0.8Fe0.2PO4. ► The composite exhibits superior rate capability as cathode of Li-ion battery.