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探讨了锂离子电池的正极材料LiCoO2中Li,Co及Co2+的定量分析方法.用原子吸收分光光度法测定Li,Co比;Li,Co工作曲线回归方程分别为A=0.108 45C-0.000 57,A=0.021 79C-0.000 70,相关系数分别为0.999 94和0.999 93;Li,Co回收率为97%~104%.用络合滴定法测定了样品中Co总量;用氧化还原滴定法测定了Co3+含量.用络合滴定法测定高纯Co2O3中Co含量,得到相对误差为-0.37%,RSD=0.25%.样品中Co2+的含量用样品中Co的总量减去Co3+的含量得到.

参考文献

[1] Ritchie A G .Recent developments and furture prospects for lithium rechargeable batteries[J].Journal of Power Sources,2001,96:1-4.
[2] IMANISHI N;Fujii M;Hirano A.Synthesis and characterization of nonstoichiometric LiCoO2[J].Journal of Power Sources,2001:97-98,287-289.
[3] ELUMALAI P;Vasan H N;Nunichandrainah N .Microwave synthesis and electrochemical properties of LiCo1-xMxO2(M=Al and Mg) cathodes for Li-ion rechargeable batteries[J].Journal of Power Sources,2004,125(01):77-84.
[4] Imanishi N.;Hirano A.;Takeda Y.;Inaba M.;Ogumi Z.;Fujii M. .Structure and electrochemical behaviors of LixCoO2 (x > 1) treated under high oxygen pressure[J].Solid state ionics,2001(1/2):45-53.
[5] Silvera Scaccia;Maria Carewska .Determination of stoichiometry of Li_(1+y) CoO_2 materials by flame atomic absorptionspectrometry and automated potentiometric titration[J].Analytica chimica acta,2002(1):35-40.
[6] 刘英,臧慕文,童坚,卓军.锂离子电池电极材料LiCoO2中锂的分析方法研究[J].稀有金属,2002(06):444-447.
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