锰尖晶石

掺杂Y~（3+）的锂锰尖晶石的合成及其电化学性能研究

Synthesis and Electrochemical Properties of Yttrium - doped Lithium Manganese Spinel

锂和钴元素掺杂对锂锰尖晶石结构和性能的影响

Effect of lithium and cobalt doping on the Li-Mn spinel structure and performance

本文对锂锰尖晶石的红外光谱进行了研究。

The infrared spectra of Li-Mn-spinel were studied in this paper .

用软化学方法合成锂锰尖晶石正极材料

Synthesis of Li-Mn-Spinel Cathode Material by Soft Chemistry Method

采用流变相反应法合成了掺杂稀土钇离子的锂锰尖晶石LiYxMn2-xO4，并对其结构和电化学性能进行了初步研究。

Yttrium-doped spinel LiY_xMn_ 2-xO_4 with single phase were synthesized by rheological phase reaction method .

锂锰尖晶石红外光谱的研究

Research on IR Spectra of Li-Mn Spinel

根据群论的知识，对锂锰尖晶石晶体中离子的振动方式与红外活性之间的内在关系进行了讨论。

The internal relationship between vibration modes and infrared activity was discussed based on the knowledge of group theory .

结果表明：金属离子掺杂使锰尖晶石材料的高温循环性能得到明显改善，但电化学比容量有所降低。

The results showed that the substitution of metal-ion for Mn improved the cycling stability of the mangano-spinels , but reduced of the capacity .

螯合剂量和锂锰比对尖晶石LiMn2O4性能的影响

Effect of Chelator Content and Li / Mn Ratio on Properties of Spinel LiMn_2O_4

近年钛、镓、锰以及铁尖晶石已经应用于分解水及降解有机染料的研究中，表现出良好的可见光催化性能。

In recent years , titanium , gallium , manganese and iron spinel have been applied to decomposes water and degradation organic dyes , showing good visible light catalytic performance .

掺杂材料中Mn3+含量有所降低，抑制了锰的溶解及Jahn-Teller效应，削弱了锰尖晶石材料在充放电过程中相变的剧烈程度；

In the substituted materials , Mn3 + content was lowered , and therefore the manganese dissolution and Jahn-Teller effect were weakened , phase transition during cycling was lessened .