查询词典 limn

Moreover, when the x in LiMn(subscript 2-x)LaO4 was less than 0.04, high capacity can be observed.

而且当掺杂量x≤0.04时，材料有较高的放电比容量。

It was concluded that the electrochemical performance of spinel LiMn〓O〓 varied with different synthesis conditions and the sample synthesized at 800℃ for 48 hour exhibited good performance.

不同合成条件下得到的尖晶石LiMn〓O〓的充放电曲线相似，但其比容量各不一样，循环性能也差异很大。

It was concluded that the magnitude level of diffusion coefficient in spinel LiMn〓O〓 cathode is 〓 and diffusion coefficient was affected by doping and surface treatment.

采用恒电位阶跃方法研究了锂离子在尖晶石LiMn〓O〓中的扩散系数及其改性对它的影响。

On the base of reviewing the development of lithium ion battery and its cathode materials in detail, spinel LiMn〓O〓 and layered LiMnO〓 were chosen and their synthesis and modification were studied.

本文在详细评述了锂离子电池及其正极材料研究进展的基础上，选取锰系材料中最稳定的尖晶石LiMn〓O〓和目前容量最高的层状LiMnO〓为研究对象，对其合成和改性进行了详细研究。

The LiMn〓O〓 coated with LiCoO〓 and Al〓O〓 film were enhanced the stability.

改进溶胶凝胶法可以方便对其掺杂和包覆处理。

A citric acid complex method has been adopted to synthesize LiMn 2O 4 and the influence of synthesis conditions on the elctrochemical properties of the products has also been explored.

采用柠檬酸络合反应方法制备了尖晶石型LiMn2O4正极材料，并考察了合成条件对合成产物电化学性能的影响。

The capacity retention of LiAlO〓-modified spinel LiMn〓O〓 is more than 94% after 500 cycles at room temperature and more than 90% after 200 cycles at 55℃ at 1C charge-discharge rate.

表面改性材料性能的改善主要归结于表面固溶体的保护作用与晶体结构稳定性的提高。

However, the spinel LiMn〓O〓 and olivine LiFePO〓 are very hopeful material with low price and few toxic and higher specific capacity, etc.

本文从降低锂离子电池的生产成本和提高材料的稳定性出发，主要研究尖晶石LiMn〓O〓和橄榄石LiFePO〓的合成制备方法，以及掺杂提高电池材料的稳定性等问题。

According to the radius of doping metal ions and lattice parameter of doping samples, it was confirmed that doping metal ions replaced the Mn〓 of spinel LiMn〓O〓.

根据掺杂阳离子的半径和掺杂对尖晶石LiMn〓O〓晶格常数的影响规律确定了掺杂阳离子是进入到原来Mn〓占据的位置。

Introduction of Al〓 and Li〓 into LiMn〓O〓 changes the electronic structures of O and Mn on the particle surface.

表面修饰明显改善了材料的循环性能与高倍率充放电性能。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。