LiCoO2改性LiMn2O4的制备及性能的研究 Study on preparation and performance of LiMn2O4 modified by LiCoO2.pdfVIP
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LiCoO2改性LiMn2O4的制备及性能的研究 Study on preparation and performance of LiMn2O4 modified by LiCoO2
第37卷第5期 电 池 V01.37.No.5 2007妊10月 BATTERYBIMONTHLY Oct.2007 蔡振平 (北京有色金属研究恶院,北京100088) LiC002的掺八对改性LiMrl20.的形成过程、结构压电化学性能的影响。结果表明:在850℃下熬处理8h,能够形成完整 LiMn204的89.9%提高到99.0%。 关键词:锂离子电池;正极材料;掺杂 文献标识码:A 中图分类号:TM912.9 文章编号:1001—1579{200/)05—0351—03 on and of modified LiMIl204 LiC002 Studypreparationperformance by CAI Zhen-ping Res∞rchInstituteFor (General 100088,China) NonferrousMetals.Beijing forH-ion solld-atatereactionat Abstracl:Themodified cathodematerials LiMn204 battery by high 1”∞synthesized oll ofthemodified dfoemof theformation andelectrochemical LiC002 performance tcmperatttre.Thedoping prcoms.stimcture mad remtltsshowedthatan studiedTCrDSC,XRD,EDS LiMn20.wem charge-discbarp。teats.The integratedspinelphase by rateofthemodified was w∞obtainedheattreatmentat850℃for8h.The retention LiMn204 by capacity LiMn:(himproved from 99.O%after10 0.3. 89.9%(LiMn201)to 55℃whenⅡ(LiC002):n(LiMn204)WaS cycle*at words:Li-ioncathode Key
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