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尖晶石型LiMn_2O_4的低温制备 被引量：7

Preparation of Spinel LiMn_2O_4 at Low Temperature
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摘要 Nanosized spinel LiMn 2O 4 was prepared by a sol-gel method. The preparation process was monitored by XRD, BET, DTA, TGA and TEM observations. It is found that at temperature higher than 350 ℃ the spinel phase of the samples could be detected by XRD, which is lower than that temperature in common solid-state preparation. The diameters of the samples calculated by Sherrer equation were increased with the temperature of calcination. Nanosized spinel LiMn 2O 4 was prepared by a sol-gel method. The preparation process was monitored by XRD, BET, DTA, TGA and TEM observations. It is found that at temperature higher than 350 ℃ the spinel phase of the samples could be detected by XRD, which is lower than that temperature in common solid-state preparation. The diameters of the samples calculated by Sherrer equation were increased with the temperature of calcination.
作者 舒东 杨勇 夏熙 林祖赓
机构地区 西江大学轻工业化学系 厦门大学化学系固体表面物理化学国家重点实验室厦门 厦门大学化学系固体表面物理化学国家重点实验室 新疆大学化学系
出处 《应用化学》 CAS CSCD 北大核心 2000年第6期633-635,共3页 Chinese Journal of Applied Chemistry
基金 国家自然科学基金!(2 98330 90 ) "八六三"高技术发展计划!(715 - 0 0 4- 0 2 5 0 )资助课题
关键词 制备 溶胶凝胶法 锂离子电池 正极材料 LIMN2O4 lithium manganese oxide,preparation,sol-gel method
分类号 TM911 [电气工程—电力电子与电力传动] TM24 [一般工业技术—材料科学与工程]
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参考文献1

  • 1Liu W，J Electrochem Soc，1996年，143卷，879页

同被引文献39

  • 1李国防,凌翠霞,李贯良,乔庆东.阴阳离子复合掺杂型Li_(1+x)Mn_(2-x)O_(4-y)F_y的合成机理研究[J].应用化工,2005,34(4):217-220. 被引量：5
  • 2于兵川,吴洪特,杨光忠.锂离子电池LiMn_2O_4正极材料的高温改性[J].应用化学,2006,23(4):378-381. 被引量：4
  • 3Akira Hasegawa,Kazunari Yoshizawa.Total overlap population analysis for cyclic capacity of metal-substitutedspined lithium manganate LiMn2O4 for positive electrode material of rechargeable lithium-ion battery [ J ].Journal of Electrochemical Society,2001,148 (7):A701-705.
  • 4Lucas P,Angell C A.Synthesis and Diagnostic Electrochemistry of Nanocrystalline Li1+xMn2-xO4 powers of controlled Li content[ J ].Journal of Electrochemical Society,2000,147(12):4459-4463.
  • 5Whitfield P S,Davidson I J.Microwave synthesis of Li1.025 Mn1.975 O4 and Li1+xMn2-xO4-yFy (x = 0.05,0.15;y = 0.05,0.1) [ J ].Journal of Electrochemical Society,2000,147(12):4476-4484.
  • 6Amatucci G G,Pereire N,Zheng T,et al.Failure mechanism and improvement of the elevated temperature cycling of LiMn2O4 compounds through the use of the LiAlxMn2-xO4-zFz solid solution[ J ].Journal of Electrochemical Society,2001,148(2):A171-182.
  • 7Kelong Huang, Bin Peng, Zhenghua Chen, Peiyun Huang. Preparation , structure and electrochemical properties of spinel Li1- xMn2-yO4 cathode material for lithium ion batteries[J]. Solar energy materials &solar cells, 2000, 62:177- 185.
  • 8Akira Hasegawa, Kazunari yoshizawa . Total overlap population analysis for cyclic capacity of metal - substituted - spinel Lithim manganate LiMn2O4 for positive electrode material of rechargeable Li- ion battery[J]. J. electrochem. soc., 2001,148(7): A701
  • 9Whitfield P S, Davidson I J. Microwave synthesis of Li0.25Mn1.975O4 and Li1+ xMn2- xO4- yFy[J]. Journal of the electrochemical society, 2000, 147(12): 4476 - 4484.
  • 10Lucas P, Angell C A. Synthesis and diagnostic electrochemistry of nanocrystalline Li1 + x Mn2-xO4 powders of controlled Li content[J]. Journal of the electrochemical society, 2000, 147(12): 4459- 4463.

引证文献7

二级引证文献31

应用化学
2000年 第6期

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