电源技术2026，Vol.50Issue(1)：48-55,8.DOI:10.3969/j.issn.1002-087X.2026.01.006
生物质碳复合LiMn0.6Fe0.4PO4/C正极材料及其电化学性能
Biomass-carbon composite LiMn0.6Fe0.4PO4/C cathode material and its electrochemical properties
摘要
Abstract
Lithium manganese iron phosphate(LiMnxFe1-xPO4,LMFP)with olivine structure has re-ceived rising attention from scholars as a representative of the new generation of energy storage mate-rials.However,the inherent limitations of its structure-lower electronic and ionic conductivities and slow electrochemical reaction kinetics-raise an unavoidable challenge for its further development and application.An economical and environmentally friendly method was used by employing N-doped biomass carbon extracted from grapefruit peel powder(CP)as a conductivity enhancer to address the shortcomings of LMFP.The LMFP/C nanoparticles were effectively anchored onto the irregular nanosheet structure of the N-doped carbon,resulting in the successful synthesis of LMFP/C-CP3 com-posites.This one-stone approach establishes an efficient electron transport network while utilizing the excellent electrical conductivity of N-doped biomass carbon and mitigating particle agglomeration.Experimental results underscore the effectiveness of our approach.The LMFP/C-CP3 composite has a high discharge capacity of 152.14 mAh/g at a current density of 0.1 C,and the capacity retention rate after 500 charge/discharge cycles at 1 C is as high as 95.6％,indicating remarkable cycling stabil-ity.关键词
LiMn0.6Fe0.4PO4/生物质碳/碳包覆/锂离子电池Key words
LiMn0.6Fe0.4PO4/biomass carbon/carbon coating/lithium ion batteries分类
信息技术与安全科学引用本文复制引用
秦小康,黄晓伟,叶超,周耐根..生物质碳复合LiMn0.6Fe0.4PO4/C正极材料及其电化学性能[J].电源技术,2026,50(1):48-55,8.基金项目
国家自然科学基金项目(52062035) （52062035）
江西省主要学科学术和技术带头人(领军人才)培养计划项目(20213BCJ22056) （领军人才）
