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用溶胶-凝胶法合成锂离子正极材料掺钴锂锰氧化物LiCo0.1Mn1.9O4,研究聚丙烯酸(PAA)量、烧结温度对其结构和性能的影响.此外,改进传统烧结方法,对烧结产物进行回火处理.结果表明,PAA与金属离子摩尔比为1.4∶1时结晶性较好;烧结温度为600℃时晶化完全,结构完整;回火可改善正极材料的性能.

参考文献

[1] 刘光华.现代材料化学[M].上海:上海科学技术出版社,2000
[2] Sun YK. .SYNTHESIS AND ELECTROCHEMICAL STUDIES OF SPINEL LI1.03MN2O4 CATHODE MATERIALS PREPARED BY A SOL-GEL METHOD FOR LITHIUM SECONDARY BATTERIES[J].Solid state ionics,1997(1/2):115-125.
[3] Prabahaaran S R S;Michael S S;Julien C.Synthesis and electrochemistry of LiMn2O4 prepared using succinic acid as complexing agent[J].International Journal of Inorganic Materials,1999(01):21.
[4] Liu W.;Chaput F.;Dunn B.;Farrington GC. .SYNTHESIS AND ELECTROCHEMICAL STUDIES OF SPINEL PHASE LIMN2O4 CATHODE MATERIALS PREPARED BY THE PECHINI PROCESS[J].Journal of the Electrochemical Society,1996(3):879-884.
[5] ARORA P;Popov B N;White R E .Electrochemical investigations of cobalt-doped LiMn2O4 as cathode material for lithium-ion batteries[J].Journal of the Electrochemical Society,1998,145:807-810.
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