广州化学2026，Vol.51Issue(3)：62-65,69,5.DOI:10.16560/j.cnki.gzhx.20252702
热处理对非注液/注液磷酸铁锂正极材料结构及浸出的影响
Heat Treatment Effects on Crystal Structure and Leaching of Uninjected/Impregnated Cathode Materials
摘要
Abstract
Based on the uninjected and impregnated LiFePO4 cathode materials as raw materials,the effects of heat treatment on the crystal structures and acid leaching behaviors of two types of cathode materials are systematically investigated in this paper.The results demonstrate that oxygenated heat treatment readily disrupts the lattice structure of cathode materials,generating the insoluble Li3Fe2(PO4)3 and inhibiting lithium leaching.Inert pyrolysis preserves the structural integrity of non-injected cathode materials and enhances material wettability,improving the separation efficiency of each component.Additionally,inert pyrolysis has no impact on the leaching rate of lithium of impregnated cathode materials,but leads to the generation of Fe2P2O7.关键词
非注液正极材料/注液正极材料/热处理/晶体结构/酸浸出行为Key words
uninjected cathode material/impregnated cathode material/heat treatment/crystal structure/acid leaching behavior分类
资源环境引用本文复制引用
李立平,王辉,张军礼,黄司平..热处理对非注液/注液磷酸铁锂正极材料结构及浸出的影响[J].广州化学,2026,51(3):62-65,69,5.基金项目
广东特支计划粤东粤西粤北地区人才支持专项(2024TQ08L468) （2024TQ08L468）
