Method of making nanostructured lithium iron phosphate-based powders with an olivine type structure

摘要

A low cost and scalable processes for producing nanostructured LiFe_xM_1-xPO₄ and nanostructured LiFe_xM_1-xPO₄/C composite powders, where 1<=x<=0.1 and M is a metal cation, such as Mn, Co, Ni, and V. Electronics made of either nanostructured LiFe_xM_1-xPO₄ powders or nanostructured LiFe_xM_1-xPO₄/C composite powders exhibit good electrochemical properties. The electronic conductivity of nanostructured LiFe_xM_1-xPO₄ powders is enhanced by intimately mixing them with ultrafine carbon particles. Thus, the use of nanostructured LiFe_xM_1-xPO₄/C composite powders will lead to high power density, low cost and environmentally friendly rechargeable Li-ion batteries.